.gitignore

@@ -12,5 +12,3 @@ coverage.xml
 
 /corpus
 /crashes
-
-.vscode

.gitlab-ci.yml

@@ -3,23 +3,21 @@ stages:
 - pages
 
 build:
-  image: registry.gitlab.gnome.org/gnome/blueprint-compiler
+  image: registry.gitlab.gnome.org/jwestman/blueprint-compiler
   stage: build
   script:
-    - black --check --diff ./ tests
+    - mypy blueprintcompiler
-    - isort --check --diff --profile black ./ tests
+    - coverage run -m unittest
-    - mypy --python-version=3.9 blueprintcompiler/
-    - G_DEBUG=fatal-warnings xvfb-run coverage run -m unittest
     - coverage report
     - coverage html
     - coverage xml
-    - meson _build -Ddocs=true --prefix=/usr
+    - meson _build -Ddocs=true
     - ninja -C _build
+    - ninja -C _build test
     - ninja -C _build install
-    - ninja -C _build docs/en
     - git clone https://gitlab.gnome.org/jwestman/blueprint-regression-tests.git
     - cd blueprint-regression-tests
-    - git checkout 5f9e155c1333e84e6f683cdb26b02a5925fd8db3
+    - git checkout dba20ee77b0ba711893726208a0523073fc697e3
     - ./test.sh
     - cd ..
   coverage: '/TOTAL.*\s([.\d]+)%/'
@@ -28,13 +26,12 @@ build:
       - _build
       - htmlcov
     reports:
-      coverage_report:
+      cobertura: coverage.xml
-        coverage_format: cobertura
-        path: coverage.xml
 
 fuzz:
-  image: registry.gitlab.gnome.org/gnome/blueprint-compiler
+  image: registry.gitlab.gnome.org/jwestman/blueprint-compiler
   stage: build
+  allow_failure: true
   script:
     - meson _build
     - ninja -C _build install

CONTRIBUTING.md

@@ -1,28 +0,0 @@
-First of all, thank you for contributing to Blueprint.
-
-If you learn something useful, please add it to this file.
-
-# Run the test suite
-
-```sh
-python -m unittest
-```
-
-# Formatting
-
-Blueprint uses [Black](https://github.com/psf/black) for code formatting.
-
-# Build the docs
-
-```sh
-pip install -U sphinx furo
-
-meson -Ddocs=true build
-# or
-meson --reconfigure -Ddocs=true build
-
-ninja -C build docs/en
-
-python -m http.server 2310 --bind 127.0.0.1 --directory build/docs/en/
-xdg-open http://127.0.0.1:2310/
-```

MAINTENANCE.md

@@ -1,18 +0,0 @@
-## Releasing a new version
-
-1. Look at the git log since the previous release. Note every significant change
-in the NEWS file.
-2. Update the version number, according to semver:
-  - At the top of meson.build
-  - In docs/flatpak.rst
-3. Make a new commit with just these two changes. Use `Release v{version}` as the commit message. Tag the commit as `v{version}` and push the tag.
-4. Create a "Post-release version bump" commit.
-5. Go to the Releases page in GitLab and create a new release from the tag.
-6. Announce the release through relevant channels (Mastodon, TWIG, etc.)
-
-## Related projects
-
-Blueprint is supported by the following syntax highlighters. If changes are made to the syntax, remember to update these projects as well.
-
-- Pygments (https://github.com/pygments/pygments/blob/master/pygments/lexers/blueprint.py)
-- GtkSourceView (https://gitlab.gnome.org/GNOME/gtksourceview/-/blob/master/data/language-specs/blueprint.lang)

NEWS.md

@@ -1,244 +0,0 @@
-# v0.16.0
-
-## Added
-- Added more "go to reference" implementations in the language server
-- Added semantic token support for flag members in the language server
-- Added property documentation to the hover tooltip for notify signals
-- The language server now shows relevant sections of the reference documentation when hovering over keywords and symbols
-- Added `not-swapped` flag to signal handlers, which may be needed for signal handlers that specify an object
-- Added expression literals, which allow you to specify a Gtk.Expression property (as opposed to the existing expression support, which is for property bindings)
-
-## Changed
-- The formatter adds trailing commas to lists (Alexey Yerin)
-- The formatter removes trailing whitespace from comments (Alexey Yerin)
-- Autocompleting a commonly translated property automatically adds the `_("")` syntax
-- Marking a single-quoted string as translatable now generates a warning, since gettext does not recognize it when using the configuration recommended in the blueprint documentation
-
-## Fixed
-- Added support for libgirepository-2.0 so that blueprint doesn't crash due to import conflicts on newer versions of PyGObject (Jordan Petridis)
-- Fixed a bug when decompiling/porting files with enum values
-- Fixed several issues where tests would fail with versions of GTK that added new deprecations
-- Addressed a problem with the language server protocol in some editors (Luoyayu)
-- Fixed an issue where the compiler would crash instead of reporting compiler errors
-- Fixed a crash in the language server that occurred when a detailed signal (e.g. `notify::*`) was not complete
-- The language server now properly implements the shutdown command, fixing support for some editors and improving robustness when restarting (Alexey Yerin)
-- Marking a string in an array as translatable now generates an error, since it doesn't work
--
-
-## Documentation
-- Added mention of `null` in the Literal Values section
-- Add apps to Built with Blueprint section (Benedek Dévényi, Vladimir Vaskov)
-- Corrected and updated many parts of the documentation
-
-# v0.14.0
-
-## Added
-- Added a warning for unused imports.
-- Added an option to not print the diff when formatting with the CLI. (Gregor Niehl)
-- Added support for building Gtk.ColumnViewRow, Gtk.ColumnViewCell, and Gtk.ListHeader widgets with Gtk.BuilderListItemFactory.
-- Added support for the `after` keyword for signals. This was previously documented but not implemented. (Gregor Niehl)
-- Added support for string arrays. (Diego Augusto)
-- Added hover documentation for properties in lookup expressions.
-- The decompiler supports action widgets, translation domains, `typeof<>` syntax, and expressions. It also supports extension syntax for Adw.Breakpoint, Gtk.BuilderListItemFactory, Gtk.ComboBoxText, Gtk.SizeGroup, and Gtk.StringList.
-- Added a `decompile` subcommand to the CLI, which decompiles an XML .ui file to blueprint.
-- Accessibility relations that allow multiple values are supported using list syntax. (Julian Schmidhuber)
-
-## Changed
-- The decompiler sorts imports alphabetically.
-- Translatable strings use `translatable="yes"` instead of `translatable="true"` for compatibility with xgettext. (Marco Köpcke)
-- The first line of the documentation is shown in the completion list when using the language server. (Sonny Piers)
-- Object autocomplete uses a snippet to add the braces and position the cursor inside them. (Sonny Piers)
-- The carets in the CLI diagnostic output now span the whole error message up to the end of the first line, rather than just the first character.
-- The decompiler emits double quotes, which are compatible with gettext.
-
-## Fixed
-- Fixed deprecation warnings in the language server.
-- The decompiler no longer duplicates translator comments on properties.
-- Subtemplates no longer output a redundant `@generated` comment.
-- When extension syntax from a library that is not available is used, the compiler emits an error instead of crashing.
-- The language server reports semantic token positions correctly. (Szepesi Tibor)
-- The decompiler no longer emits the deprecated `bind-property` syntax. (Sonny Piers)
-- Fixed the tests when used as a Meson subproject. (Benoit Pierre)
-- Signal autocomplete generates correct syntax. (Sonny Piers)
-- The decompiler supports templates that do not specify a parent class. (Sonny Piers)
-- Adw.Breakpoint setters that set a property on the template no longer cause a crash.
-- Fixed type checking with templates that do not have a parent class.
-- Fixed online documentation links for interfaces.
-- The wording of edit suggestions is fixed for insertions and deletions.
-- When an input file uses tabs instead of spaces, the diagnostic output on the CLI aligns the caret correctly.
-- The decompiler emits correct syntax when a property binding refers to the template object.
-
-## Documentation
-- Fixed typos in "Built with Blueprint" section. (Valéry Febvre, Dexter Reed)
-
-# v0.12.0
-
-## Added
-
-- Add support for Adw.AlertDialog (Sonny Piers)
-- Emit warnings for deprecated APIs - lsp and compiler
-- lsp: Document symbols
-- lsp: "Go to definition" (ctrl+click)
-- lsp: Code action for "namespace not imported" diagnostics, that adds the missing import
-- Add a formatter - cli and lsp (Gregor Niehl)
-- Support for translation domain - see documentation
-- cli: Print code actions in error messages
-
-## Changed
-
-- compiler: Add a header notice mentionning the file is generated (Urtsi Santsi)
-- decompiler: Use single quotes for output
-
-## Fixed
-
-- Fixed multine strings support with the escape newline character
-- lsp: Fixed the signal completion, which was missing the "$"
-- lsp: Fixed property value completion  (Ivan Kalinin)
-- lsp: Added a missing semantic highlight (for the enum in Gtk.Scale marks)
-- Handle big endian bitfields correctly (Jerry James)
-- batch-compile: Fix mixing relative and absolute paths (Marco Köpcke )
-
-## Documentation
-
-- Fix grammar for bindings
-- Add section on referencing templates
-
-# v0.10.0
-
-## Added
-
-- The hover documentation now includes a link to the online documentation for the symbol, if available.
-- Added hover documentation for the Adw.Breakpoint extensions, `condition` and `setters`.
-
-## Changed
-
-- Decompiling an empty file now produces an empty file rather than an error. (AkshayWarrier)
-- More relevant documentation is shown when hovering over an identifier literal (such as an enum value or an object ID).
-
-## Fixed
-
-- Fixed an issue with the language server not conforming the spec. (seshotake)
-- Fixed the signature section of the hover documentation for properties and signals.
-- Fixed a bug where documentation was sometimes shown for a different symbol with the same name.
-- Fixed a bug where documentation was not shown for accessibility properties that contain `-`.
-- Number literals are now correctly parsed as floats if they contain a `.`, even if they are divisible by 1.
-
-## Removed
-
-- The `bind-property` keyword has been removed. Use `bind` instead. The old syntax is still accepted with a warning.
-
-## Documentation
-
-- Fixed the grammar for Extension, which was missing ExtAdwBreakpoint.
-
-
-# v0.8.1
-
-## Breaking Changes
-
-- Duplicates in a number of places are now considered errors. For example, duplicate flags in several places, duplicate
-  strings in Gtk.FileFilters, etc.
-
-## Fixed
-
-- Fixed a number of bugs in the XML output when using `template` to refer to the template object.
-
-## Documentation
-
-- Fixed the example for ExtListItemFactory
-
-# v0.8.0
-
-## Breaking Changes
-
-- A trailing `|` is no longer allowed in flags.
-- The primitive type names `gboolean`, `gchararray`, `gint`, `gint64`, `guint`, `guint64`, `gfloat`, `gdouble`, `utf8`, and `gtype` are no longer permitted. Use the non-`g`-prefixed versions instead.
-- Translated strings may no longer have trailing commas.
-
-## Added
-
-- Added cast expressions, which are sometimes needed to specify type information in expressions.
-- Added support for closure expressions.
-- Added the `--typelib-path` command line argument, which allows adding directories to the search path for typelib files.
-- Added custom compile and decompile commands to the language server. (Sonny Piers)
-- Added support for [Adw.MessageDialog](https://gnome.pages.gitlab.gnome.org/libadwaita/doc/1-latest/class.MessageDialog.html#adwmessagedialog-as-gtkbuildable) custom syntax.
-- Added support for inline sub-templates for [Gtk.BuilderListItemFactory](https://docs.gtk.org/gtk4/class.BuilderListItemFactory.html). (Cameron Dehning)
-- Added support for [Adw.Breakpoint](https://gnome.pages.gitlab.gnome.org/libadwaita/doc/main/class.Breakpoint.html) custom syntax.
-- Added a warning when an object ID might be confusing.
-- Added support for [Gtk.Scale](https://docs.gtk.org/gtk4/class.Scale.html#gtkscale-as-gtkbuildable) custom syntax.
-
-## Changed
-
-Some of these changes affect syntax, but the old syntax is still accepted with a purple "upgrade" warning, so they are not breaking changes yet. In editors that support code actions, such as Visual Studio Code, the blueprint language server can automatically fix these warnings.
-
-- The XML output uses the integer value rather than GIR name for enum values.
-- Compiler errors are now printed to stderr rather than stdout. (Sonny Piers)
-- Introduced `$` to indicate types or callbacks that are provided in application code.
-  - Types that are provided by application code are now begin with a `$` rather than a leading `.`.
-  - The handler name in a signal is now prefixed with `$`.
-  - Closure expressions, which were added in this version, are also prefixed with `$`.
-- When a namespace is not found, errors are supressed when the namespace is used.
-- The compiler bug message now reports the version of blueprint-compiler.
-- The `typeof` syntax now uses `<>` instead of `()` to match cast expressions.
-- Menu sections and subsections can now have an ID.
-- The interactive porting tool now ignores hidden folders. (Sonny Piers)
-- Templates now use the typename syntax rather than an ID to specify the template's class. In most cases, this just means adding a `$` prefix to the ID, but for GtkListItem templates it should be shortened to ListItem (since the Gtk namespace is implied). The template object is now referenced with the `template` keyword rather than with the ID.
-
-## Fixed
-
-- Fixed a bug in the language server's acceptance of text change commands. (Sonny Piers)
-- Fixed a bug in the display of diagnostics when the diagnostic is at the beginning of a line.
-- Fixed a crash that occurred when dealing with array types.
-- Fixed a bug that prevented Gio.File properties from being settable.
-
-## Documentation
-
-- Added a reference section to the documentation. This replaces the Examples page with a detailed description of each syntax feature, including a formal specification of the grammar.
-
-# v0.6.0
-
-## Breaking Changes
-- Quoted and numeric literals are no longer interchangeable (e.g. `"800"` is no longer an accepted value for an
-  integer type).
-- Boxed types are now type checked.
-
-## Added
-- There is now syntax for `GType` literals: the `typeof()` pseudo-function. For example, list stores have an `item-type`
-  property which is now specifiable like this: `item-type: typeof(.MyDataModel)`. See the documentation for more details.
-
-## Changed
-- The language server now logs to stderr.
-
-## Fixed
-- Fix the build on Windows, where backslashes in paths were not escaped. (William Roy)
-- Remove the syntax for specifying menu objects inline, since it does not work.
-- Fix a crash in the language server that was triggered in files with incomplete `using Gtk 4.0;` statements.
-- Fixed compilation on big-endian systems.
-- Fix an issue in the interactive port tool that would lead to missed files. (Frank Dana)
-
-## Documentation
-- Fix an issue for documentation contributors where changing the documentation files would not trigger a rebuild.
-- Document the missing support for Gtk.Label `<attributes>`, which is intentional, and recommend alternatives. (Sonny
-  Piers)
-- Add a prominent warning that Blueprint is still experimental
-
-
-# v0.4.0
-
-## Added
-- Lookup expressions
-- With the language server, hovering over a diagnostic message now shows any
-  associated hints.
-
-## Changed
-- The compiler now uses .typelib files rather than XML .gir files, which reduces
-  dependencies and should reduce compile times by about half a second.
-
-## Fixed
-- Fix the decompiler/porting tool not importing the Adw namespace when needed
-- Fix a crash when trying to compile an empty file
-- Fix parsing of number tokens
-- Fix a bug where action widgets did not work in templates
-- Fix a crash in the language server that occurred when a `using` statement had
-no version
-- If a compiler bug is reported, the process now exits with a non-zero code

README.md

@@ -65,31 +65,13 @@ template ShumateDemoWindow : Gtk.ApplicationWindow {
 }
 ```
 
-## Editors
+## Editor plugins
 
-[Workbench](https://github.com/sonnyp/Workbench) and [GNOME Builder](https://apps.gnome.org/app/org.gnome.Builder/) have builtin support for Blueprint.
+### Vim
-
-Vim
 
 - [Syntax highlighting by thetek42](https://github.com/thetek42/vim-blueprint-syntax)
 - [Syntax highlighting by gabmus](https://gitlab.com/gabmus/vim-blueprint)
 
-GNU Emacs
-
-- [Major mode by DrBluefall](https://github.com/DrBluefall/blueprint-mode)
-
-Visual Studio Code
-
-- [Blueprint Language Plugin by bodil](https://github.com/bodil/vscode-blueprint)
-
-## Donate
-
-You can support my work on GitHub Sponsors! <https://github.com/sponsors/jameswestman>
-
-## Getting in Touch
-
-Matrix room: [#blueprint-language:matrix.org](https://matrix.to/#/#blueprint-language:matrix.org)
-
 ## License
 
 Copyright (C) 2021 James Westman <james@jwestman.net>
@@ -106,3 +88,11 @@ GNU Lesser General Public License for more details.
 
 You should have received a copy of the GNU Lesser General Public License
 along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+## Donate
+
+You can support my work on GitHub Sponsors! <https://github.com/sponsors/jameswestman>
+
+## Getting in Touch
+
+Matrix room: [#blueprint-language:matrix.org](https://matrix.to/#/#blueprint-language:matrix.org)

blueprint-compiler.doap

@@ -1,27 +0,0 @@
-<Project xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-         xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
-         xmlns:foaf="http://xmlns.com/foaf/0.1/"
-         xmlns:gnome="http://api.gnome.org/doap-extensions#"
-         xmlns="http://usefulinc.com/ns/doap#">
-
-  <name xml:lang="en">Blueprint</name>
-  <shortdesc xml:lang="en">A modern language for creating GTK interfaces</shortdesc>
-  <description xml:lang="en">Blueprint is a language and associated tooling for building user interfaces for GTK.</description>
-  <category rdf:resource="http://api.gnome.org/doap-extensions#apps" />
-  <programming-language>Python</programming-language>
-
-  <homepage
-  rdf:resource="https://gnome.gitlab.gnome.org/blueprint-compiler/" />
-  <download-page
-  rdf:resource="https://gitlab.gnome.org/GNOME/blueprint-compiler/-/releases" />
-  <bug-database
-  rdf:resource="https://gitlab.gnome.org/GNOME/blueprint-compiler/issues" />
-
-  <maintainer>
-    <foaf:Person>
-      <foaf:name>James Westman</foaf:name>
-      <foaf:mbox rdf:resource="mailto:james@jwestman.net" />
-      <gnome:userid>jwestman</gnome:userid>
-    </foaf:Person>
-  </maintainer>
-</Project>

blueprint-compiler.py

@@ -19,23 +19,20 @@
 #
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
-import os
+import os, sys
-import sys
 
-# These variables should be set by meson. If they aren't, we're running
+# Try to find the python module, assuming the current file is installed to (prefix)/bin
-# uninstalled, and we might have to guess some values.
+dirname = os.path.join(os.path.dirname(os.path.dirname(__file__)), "share", "blueprint-compiler")
+if os.path.isdir(os.path.join(dirname, "blueprintcompiler")):
+    sys.path.insert(0, dirname)
+
+# Get the configured (or, if running from source, not configured) version number
 version = "@VERSION@"
-module_path = r"@MODULE_PATH@"
-libdir = r"@LIBDIR@"
 
-if version == "\u0040VERSION@":
+def literal(key):
-    version = "uninstalled"
+    return "@" + key + "@"
-    libdir = None
-else:
-    # If Meson set the configuration values, insert the module path it set
-    sys.path.insert(0, module_path)
 
 from blueprintcompiler import main
 
 if __name__ == "__main__":
-    main.main(version, libdir)
+    main.main("uninstalled" if version == literal("VERSION") else version)

blueprintcompiler/annotations.py

@@ -1,191 +0,0 @@
-# annotations.py
-#
-# Copyright 2024 James Westman <james@jwestman.net>
-#
-# This file is free software; you can redistribute it and/or modify it
-# under the terms of the GNU Lesser General Public License as
-# published by the Free Software Foundation; either version 3 of the
-# License, or (at your option) any later version.
-#
-# This file is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-# Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
-# SPDX-License-Identifier: LGPL-3.0-or-later
-
-# Extra information about types in common libraries that's used for things like completions.
-
-import typing as T
-from dataclasses import dataclass
-
-from . import gir
-
-
-@dataclass
-class Annotation:
-    translatable_properties: T.List[str]
-
-
-def is_property_translated(property: gir.Property):
-    ns = property.get_containing(gir.Namespace)
-    ns_name = ns.name + "-" + ns.version
-    if annotation := _ANNOTATIONS.get(ns_name):
-        assert property.container is not None
-        return (
-            property.container.name + ":" + property.name
-            in annotation.translatable_properties
-        )
-    else:
-        return False
-
-
-_ANNOTATIONS = {
-    "Gtk-4.0": Annotation(
-        translatable_properties=[
-            "AboutDialog:comments",
-            "AboutDialog:translator-credits",
-            "AboutDialog:website-label",
-            "AlertDialog:detail",
-            "AlertDialog:message",
-            "AppChooserButton:heading",
-            "AppChooserDialog:heading",
-            "AppChooserWidget:default-text",
-            "AssistantPage:title",
-            "Button:label",
-            "CellRendererText:markup",
-            "CellRendererText:placeholder-text",
-            "CellRendererText:text",
-            "CheckButton:label",
-            "ColorButton:title",
-            "ColorDialog:title",
-            "ColumnViewColumn:title",
-            "ColumnViewRow:accessible-description",
-            "ColumnViewRow:accessible-label",
-            "Entry:placeholder-text",
-            "Entry:primary-icon-tooltip-markup",
-            "Entry:primary-icon-tooltip-text",
-            "Entry:secondary-icon-tooltip-markup",
-            "Entry:secondary-icon-tooltip-text",
-            "EntryBuffer:text",
-            "Expander:label",
-            "FileChooserNative:accept-label",
-            "FileChooserNative:cancel-label",
-            "FileChooserWidget:subtitle",
-            "FileDialog:accept-label",
-            "FileDialog:title",
-            "FileDialog:initial-name",
-            "FileFilter:name",
-            "FontButton:title",
-            "FontDialog:title",
-            "Frame:label",
-            "Inscription:markup",
-            "Inscription:text",
-            "Label:label",
-            "ListItem:accessible-description",
-            "ListItem:accessible-label",
-            "LockButton:text-lock",
-            "LockButton:text-unlock",
-            "LockButton:tooltip-lock",
-            "LockButton:tooltip-not-authorized",
-            "LockButton:tooltip-unlock",
-            "MenuButton:label",
-            "MessageDialog:secondary-text",
-            "MessageDialog:text",
-            "NativeDialog:title",
-            "NotebookPage:menu-label",
-            "NotebookPage:tab-label",
-            "PasswordEntry:placeholder-text",
-            "Picture:alternative-text",
-            "PrintDialog:accept-label",
-            "PrintDialog:title",
-            "Printer:name",
-            "PrintJob:title",
-            "PrintOperation:custom-tab-label",
-            "PrintOperation:export-filename",
-            "PrintOperation:job-name",
-            "ProgressBar:text",
-            "SearchEntry:placeholder-text",
-            "ShortcutLabel:disabled-text",
-            "ShortcutsGroup:title",
-            "ShortcutsSection:title",
-            "ShortcutsShortcut:title",
-            "ShortcutsShortcut:subtitle",
-            "StackPage:title",
-            "Text:placeholder-text",
-            "TextBuffer:text",
-            "TreeViewColumn:title",
-            "Widget:tooltip-markup",
-            "Widget:tooltip-text",
-            "Window:title",
-            "Editable:text",
-            "FontChooser:preview-text",
-        ]
-    ),
-    "Adw-1": Annotation(
-        translatable_properties=[
-            "AboutDialog:comments",
-            "AboutDialog:translator-credits",
-            "AboutWindow:comments",
-            "AboutWindow:translator-credits",
-            "ActionRow:subtitle",
-            "ActionRow:title",
-            "AlertDialog:body",
-            "AlertDialog:heading",
-            "Avatar:text",
-            "Banner:button-label",
-            "Banner:title",
-            "ButtonContent:label",
-            "Dialog:title",
-            "ExpanderRow:subtitle",
-            "MessageDialog:body",
-            "MessageDialog:heading",
-            "NavigationPage:title",
-            "PreferencesGroup:description",
-            "PreferencesGroup:title",
-            "PreferencesPage:description",
-            "PreferencesPage:title",
-            "PreferencesRow:title",
-            "SplitButton:dropdown-tooltip",
-            "SplitButton:label",
-            "StatusPage:description",
-            "StatusPage:title",
-            "TabPage:indicator-tooltip",
-            "TabPage:keyword",
-            "TabPage:title",
-            "Toast:button-label",
-            "Toast:title",
-            "ViewStackPage:title",
-            "ViewSwitcherTitle:subtitle",
-            "ViewSwitcherTitle:title",
-            "WindowTitle:subtitle",
-            "WindowTitle:title",
-        ]
-    ),
-    "Shumate-1.0": Annotation(
-        translatable_properties=[
-            "License:extra-text",
-            "MapSource:license",
-            "MapSource:name",
-        ]
-    ),
-    "GtkSource-5": Annotation(
-        translatable_properties=[
-            "CompletionCell:markup",
-            "CompletionCell:text",
-            "CompletionSnippets:title",
-            "CompletionWords:title",
-            "GutterRendererText:markup",
-            "GutterRendererText:text",
-            "SearchSettings:search-text",
-            "Snippet:description",
-            "Snippet:name",
-            "SnippetChunk:tooltip-text",
-            "StyleScheme:description",
-            "StyleScheme:name",
-        ]
-    ),
-}

blueprintcompiler/ast_utils.py

@@ -17,80 +17,29 @@
 #
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
-import typing as T
 from collections import ChainMap, defaultdict
 from functools import cached_property
+import typing as T
 
 from .errors import *
-from .lsp_utils import DocumentSymbol, LocationLink, SemanticToken
+from .lsp_utils import SemanticToken
-from .tokenizer import Range
+from .xml_emitter import XmlEmitter
-
-TType = T.TypeVar("TType")
 
 
 class Children:
-    """Allows accessing children by type using array syntax."""
+    """ Allows accessing children by type using array syntax. """
-
     def __init__(self, children):
         self._children = children
-
+    def __iter__(self):
-    def __iter__(self) -> T.Iterator["AstNode"]:
         return iter(self._children)
-
-    @T.overload
-    def __getitem__(self, key: T.Type[TType]) -> T.List[TType]: ...
-
-    @T.overload
-    def __getitem__(self, key: int) -> "AstNode": ...
-
     def __getitem__(self, key):
-        if isinstance(key, int):
+        return [child for child in self._children if isinstance(child, key)]
-            if key >= len(self._children):
-                return None
-            else:
-                return self._children[key]
-        else:
-            return [child for child in self._children if isinstance(child, key)]
-
-
-class Ranges:
-    def __init__(self, ranges: T.Dict[str, Range]):
-        self._ranges = ranges
-
-    def __getitem__(self, key: T.Union[str, tuple[str, str]]) -> T.Optional[Range]:
-        if isinstance(key, str):
-            return self._ranges.get(key)
-        elif isinstance(key, tuple):
-            start, end = key
-            return Range.join(self._ranges.get(start), self._ranges.get(end))
-
-
-TCtx = T.TypeVar("TCtx")
-TAttr = T.TypeVar("TAttr")
-
-
-class Ctx:
-    """Allows accessing values from higher in the syntax tree."""
-
-    def __init__(self, node: "AstNode") -> None:
-        self.node = node
-
-    def __getitem__(self, key: T.Type[TCtx]) -> T.Optional[TCtx]:
-        attrs = self.node._attrs_by_type(Context)
-        for name, attr in attrs:
-            if attr.type == key:
-                return getattr(self.node, name)
-        if self.node.parent is not None:
-            return self.node.parent.context[key]
-        else:
-            return None
 
 
 class AstNode:
-    """Base class for nodes in the abstract syntax tree."""
+    """ Base class for nodes in the abstract syntax tree. """
 
     completers: T.List = []
-    attrs_by_type: T.Dict[T.Type, T.List] = {}
 
     def __init__(self, group, children, tokens, incomplete=False):
         self.group = group
@@ -104,33 +53,19 @@ class AstNode:
 
     def __init_subclass__(cls):
         cls.completers = []
-        cls.validators = [
+        cls.validators = [getattr(cls, f) for f in dir(cls) if hasattr(getattr(cls, f), "_validator")]
-            getattr(cls, f) for f in dir(cls) if hasattr(getattr(cls, f), "_validator")
-        ]
-        cls.attrs_by_type = {}
 
-    @cached_property
-    def context(self):
-        return Ctx(self)
 
-    @cached_property
+    @property
-    def ranges(self):
-        return Ranges(self.group.ranges)
-
-    @cached_property
     def root(self):
         if self.parent is None:
             return self
         else:
             return self.parent.root
 
-    @property
+    def parent_by_type(self, type):
-    def range(self) -> Range:
-        return Range(self.group.start, self.group.end, self.group.text)
-
-    def parent_by_type(self, type: T.Type[TType]) -> TType:
         if self.parent is None:
-            raise CompilerBugError()
+            return None
         elif isinstance(self.parent, type):
             return self.parent
         else:
@@ -138,19 +73,7 @@ class AstNode:
 
     @cached_property
     def errors(self):
-        return list(
+        return list(self._get_errors())
-            error
-            for error in self._get_errors()
-            if not isinstance(error, CompileWarning)
-        )
-
-    @cached_property
-    def warnings(self):
-        return list(
-            warning
-            for warning in self._get_errors()
-            if isinstance(warning, CompileWarning)
-        )
 
     def _get_errors(self):
         for validator in self.validators:
@@ -160,23 +83,25 @@ class AstNode:
                 yield e
                 if e.fatal:
                     return
-            except MultipleErrors as e:
-                for error in e.errors:
-                    yield error
-                    if error.fatal:
-                        return
 
         for child in self.children:
             yield from child._get_errors()
 
-    def _attrs_by_type(self, attr_type: T.Type[TAttr]) -> T.List[T.Tuple[str, TAttr]]:
+    def _attrs_by_type(self, attr_type):
-        if attr_type not in self.attrs_by_type:
+        for name in dir(type(self)):
-            self.attrs_by_type[attr_type] = []
+            item = getattr(type(self), name)
-            for name in dir(type(self)):
+            if isinstance(item, attr_type):
-                item = getattr(type(self), name)
+                yield name, item
-                if isinstance(item, attr_type):
+
-                    self.attrs_by_type[attr_type].append((name, item))
+    def generate(self) -> str:
-        return self.attrs_by_type[attr_type]
+        """ Generates an XML string from the node. """
+        xml = XmlEmitter()
+        self.emit_xml(xml)
+        return xml.result
+
+    def emit_xml(self, xml: XmlEmitter):
+        """ Emits the XML representation of this AST node to the XmlEmitter. """
+        raise NotImplementedError()
 
     def get_docs(self, idx: int) -> T.Optional[str]:
         for name, attr in self._attrs_by_type(Docs):
@@ -184,46 +109,29 @@ class AstNode:
                 token = self.group.tokens.get(attr.token_name)
                 if token and token.start <= idx < token.end:
                     return getattr(self, name)
+            else:
+                return getattr(self, name)
 
         for child in self.children:
-            if idx in child.range:
+            if child.group.start <= idx < child.group.end:
-                if docs := child.get_docs(idx):
+                docs = child.get_docs(idx)
+                if docs is not None:
                     return docs
 
-        for name, attr in self._attrs_by_type(Docs):
-            if not attr.token_name:
-                return getattr(self, name)
-
         return None
 
     def get_semantic_tokens(self) -> T.Iterator[SemanticToken]:
         for child in self.children:
             yield from child.get_semantic_tokens()
 
-    def get_reference(self, idx: int) -> T.Optional[LocationLink]:
+
+    def iterate_children_recursive(self) -> T.Iterator["AstNode"]:
+        yield self
         for child in self.children:
-            if idx in child.range:
+            yield from child.iterate_children_recursive()
-                if ref := child.get_reference(idx):
-                    return ref
-        return None
 
-    @property
-    def document_symbol(self) -> T.Optional[DocumentSymbol]:
-        return None
 
-    def get_document_symbols(self) -> T.List[DocumentSymbol]:
+    def validate_unique_in_parent(self, error, check=None):
-        result = []
-        for child in self.children:
-            if s := child.document_symbol:
-                s.children = child.get_document_symbols()
-                result.append(s)
-            else:
-                result.extend(child.get_document_symbols())
-        return result
-
-    def validate_unique_in_parent(
-        self, error: str, check: T.Optional[T.Callable[["AstNode"], bool]] = None
-    ):
         for child in self.parent.children:
             if child is self:
                 break
@@ -232,38 +140,19 @@ class AstNode:
                 if check is None or check(child):
                     raise CompileError(
                         error,
-                        references=[
+                        references=[ErrorReference(child.group.start, child.group.end, "previous declaration was here")]
-                            ErrorReference(
-                                child.range,
-                                "previous declaration was here",
-                            )
-                        ],
                     )
 
 
-def validate(
+def validate(token_name=None, end_token_name=None, skip_incomplete=False):
-    token_name: T.Optional[str] = None,
+    """ Decorator for functions that validate an AST node. Exceptions raised
-    end_token_name: T.Optional[str] = None,
+    during validation are marked with range information from the tokens. """
-    skip_incomplete: bool = False,
-):
-    """Decorator for functions that validate an AST node. Exceptions raised
-    during validation are marked with range information from the tokens."""
 
     def decorator(func):
-        def inner(self: AstNode):
+        def inner(self):
             if skip_incomplete and self.incomplete:
                 return
 
-            def fill_error(e: CompileError):
-                if e.range is None:
-                    e.range = (
-                        Range.join(
-                            self.ranges[token_name],
-                            self.ranges[end_token_name],
-                        )
-                        or self.range
-                    )
-
             try:
                 func(self)
             except CompileError as e:
@@ -272,18 +161,25 @@ def validate(
                 if self.incomplete:
                     return
 
-                fill_error(e)
+                # This mess of code sets the error's start and end positions
+                # from the tokens passed to the decorator, if they have not
+                # already been set
+                if e.start is None:
+                    if token := self.group.tokens.get(token_name):
+                        e.start = token.start
+                    else:
+                        e.start = self.group.start
+
+                if e.end is None:
+                    if token := self.group.tokens.get(end_token_name):
+                        e.end = token.end
+                    elif token := self.group.tokens.get(token_name):
+                        e.end = token.end
+                    else:
+                        e.end = self.group.end
 
                 # Re-raise the exception
                 raise e
-            except MultipleErrors as e:
-                if self.incomplete:
-                    return
-
-                for error in e.errors:
-                    fill_error(error)
-
-                raise e
 
         inner._validator = True
         return inner
@@ -303,34 +199,9 @@ class Docs:
 
 
 def docs(*args, **kwargs):
-    """Decorator for functions that return documentation for tokens."""
+    """ Decorator for functions that return documentation for tokens. """
 
     def decorator(func):
         return Docs(func, *args, **kwargs)
 
     return decorator
-
-
-class Context:
-    def __init__(self, type: T.Type[TCtx], func: T.Callable[[AstNode], TCtx]) -> None:
-        self.type = type
-        self.func = func
-
-    def __get__(self, instance, owner):
-        if instance is None:
-            return self
-        if ctx := getattr(instance, "_context_" + self.type.__name__, None):
-            return ctx
-        else:
-            ctx = self.func(instance)
-            setattr(instance, "_context_" + self.type.__name__, ctx)
-            return ctx
-
-
-def context(type: T.Type[TCtx]):
-    """Decorator for functions that return a context object, which is passed down to ."""
-
-    def decorator(func: T.Callable[[AstNode], TCtx]) -> Context:
-        return Context(type, func)
-
-    return decorator

blueprintcompiler/completions.py

@@ -19,25 +19,20 @@
 
 import typing as T
 
-from . import annotations, gir, language
+from . import gir, language
 from .ast_utils import AstNode
 from .completions_utils import *
-from .language.types import ClassName
 from .lsp_utils import Completion, CompletionItemKind
 from .parser import SKIP_TOKENS
-from .tokenizer import Token, TokenType
+from .tokenizer import TokenType, Token
 
 Pattern = T.List[T.Tuple[TokenType, T.Optional[str]]]
 
 
-def _complete(
+def _complete(ast_node: AstNode, tokens: T.List[Token], idx: int, token_idx: int) -> T.Iterator[Completion]:
-    lsp, ast_node: AstNode, tokens: T.List[Token], idx: int, token_idx: int
-) -> T.Iterator[Completion]:
     for child in ast_node.children:
-        if child.group.start <= idx and (
+        if child.group.start <= idx and (idx < child.group.end or (idx == child.group.end and child.incomplete)):
-            idx < child.group.end or (idx == child.group.end and child.incomplete)
+            yield from _complete(child, tokens, idx, token_idx)
-        ):
-            yield from _complete(lsp, child, tokens, idx, token_idx)
             return
 
     prev_tokens: T.List[Token] = []
@@ -50,12 +45,10 @@ def _complete(
         token_idx -= 1
 
     for completer in ast_node.completers:
-        yield from completer(prev_tokens, ast_node, lsp)
+        yield from completer(prev_tokens, ast_node)
 
 
-def complete(
+def complete(ast_node: AstNode, tokens: T.List[Token], idx: int) -> T.Iterator[Completion]:
-    lsp, ast_node: AstNode, tokens: T.List[Token], idx: int
-) -> T.Iterator[Completion]:
     token_idx = 0
     # find the current token
     for i, token in enumerate(tokens):
@@ -67,29 +60,23 @@ def complete(
         idx = tokens[token_idx].start
         token_idx -= 1
 
-    yield from _complete(lsp, ast_node, tokens, idx, token_idx)
+    yield from _complete(ast_node, tokens, idx, token_idx)
 
 
 @completer([language.GtkDirective])
-def using_gtk(lsp, ast_node, match_variables):
+def using_gtk(ast_node, match_variables):
-    yield Completion(
+    yield Completion("using Gtk 4.0;", CompletionItemKind.Keyword)
-        "using Gtk 4.0", CompletionItemKind.Keyword, snippet="using Gtk 4.0;\n"
-    )
 
 
 @completer(
     applies_in=[language.UI, language.ObjectContent, language.Template],
-    matches=new_statement_patterns,
+    matches=new_statement_patterns
 )
-def namespace(lsp, ast_node, match_variables):
+def namespace(ast_node, match_variables):
     yield Completion("Gtk", CompletionItemKind.Module, text="Gtk.")
     for ns in ast_node.root.children[language.Import]:
         if ns.gir_namespace is not None:
-            yield Completion(
+            yield Completion(ns.gir_namespace.name, CompletionItemKind.Module, text=ns.gir_namespace.name + ".")
-                ns.gir_namespace.name,
-                CompletionItemKind.Module,
-                text=ns.gir_namespace.name + ".",
-            )
 
 
 @completer(
@@ -97,156 +84,72 @@ def namespace(lsp, ast_node, match_variables):
     matches=[
         [(TokenType.IDENT, None), (TokenType.OP, "."), (TokenType.IDENT, None)],
         [(TokenType.IDENT, None), (TokenType.OP, ".")],
-    ],
+    ]
 )
-def object_completer(lsp, ast_node, match_variables):
+def object_completer(ast_node, match_variables):
     ns = ast_node.root.gir.namespaces.get(match_variables[0])
     if ns is not None:
         for c in ns.classes.values():
-            yield Completion(
+            yield Completion(c.name, CompletionItemKind.Class, docs=c.doc)
-                c.name,
-                CompletionItemKind.Class,
-                snippet=f"{c.name} {{\n  $0\n}}",
-                docs=c.doc,
-                detail=c.detail,
-            )
 
 
 @completer(
     applies_in=[language.UI, language.ObjectContent, language.Template],
     matches=new_statement_patterns,
 )
-def gtk_object_completer(lsp, ast_node, match_variables):
+def gtk_object_completer(ast_node, match_variables):
     ns = ast_node.root.gir.namespaces.get("Gtk")
     if ns is not None:
         for c in ns.classes.values():
-            yield Completion(
+            yield Completion(c.name, CompletionItemKind.Class, docs=c.doc)
-                c.name,
-                CompletionItemKind.Class,
-                snippet=f"{c.name} {{\n  $0\n}}",
-                docs=c.doc,
-                detail=c.detail,
-            )
 
 
 @completer(
     applies_in=[language.ObjectContent],
     matches=new_statement_patterns,
 )
-def property_completer(lsp, ast_node, match_variables):
+def property_completer(ast_node, match_variables):
-    if ast_node.gir_class and hasattr(ast_node.gir_class, "properties"):
+    if ast_node.gir_class:
-        for prop_name, prop in ast_node.gir_class.properties.items():
+        for prop in ast_node.gir_class.properties:
-            if (
+            yield Completion(prop, CompletionItemKind.Property, snippet=f"{prop}: $0;")
-                isinstance(prop.type, gir.BoolType)
-                and lsp.client_supports_completion_choice
-            ):
-                yield Completion(
-                    prop_name,
-                    CompletionItemKind.Property,
-                    sort_text=f"0 {prop_name}",
-                    snippet=f"{prop_name}: ${{1|true,false|}};",
-                    docs=prop.doc,
-                    detail=prop.detail,
-                )
-            elif isinstance(prop.type, gir.StringType):
-                snippet = (
-                    f'{prop_name}: _("$0");'
-                    if annotations.is_property_translated(prop)
-                    else f'{prop_name}: "$0";'
-                )
-
-                yield Completion(
-                    prop_name,
-                    CompletionItemKind.Property,
-                    sort_text=f"0 {prop_name}",
-                    snippet=snippet,
-                    docs=prop.doc,
-                    detail=prop.detail,
-                )
-            elif (
-                isinstance(prop.type, gir.Enumeration)
-                and len(prop.type.members) <= 10
-                and lsp.client_supports_completion_choice
-            ):
-                choices = ",".join(prop.type.members.keys())
-                yield Completion(
-                    prop_name,
-                    CompletionItemKind.Property,
-                    sort_text=f"0 {prop_name}",
-                    snippet=f"{prop_name}: ${{1|{choices}|}};",
-                    docs=prop.doc,
-                    detail=prop.detail,
-                )
-            elif prop.type.full_name == "Gtk.Expression":
-                yield Completion(
-                    prop_name,
-                    CompletionItemKind.Property,
-                    sort_text=f"0 {prop_name}",
-                    snippet=f"{prop_name}: expr $0;",
-                    docs=prop.doc,
-                    detail=prop.detail,
-                )
-            else:
-                yield Completion(
-                    prop_name,
-                    CompletionItemKind.Property,
-                    sort_text=f"0 {prop_name}",
-                    snippet=f"{prop_name}: $0;",
-                    docs=prop.doc,
-                    detail=prop.detail,
-                )
 
 
 @completer(
-    applies_in=[language.Property, language.A11yProperty],
+    applies_in=[language.Property, language.BaseTypedAttribute],
-    matches=[[(TokenType.IDENT, None), (TokenType.OP, ":")]],
+    matches=[
+        [(TokenType.IDENT, None), (TokenType.OP, ":")]
+    ],
 )
-def prop_value_completer(lsp, ast_node, match_variables):
+def prop_value_completer(ast_node, match_variables):
-    if (vt := ast_node.value_type) is not None:
+    if isinstance(ast_node.value_type, gir.Enumeration):
-        if isinstance(vt.value_type, gir.Enumeration):
+        for name, member in ast_node.value_type.members.items():
-            for name, member in vt.value_type.members.items():
+            yield Completion(name, CompletionItemKind.EnumMember, docs=member.doc)
-                yield Completion(
-                    name,
-                    CompletionItemKind.EnumMember,
-                    docs=member.doc,
-                    detail=member.detail,
-                )
 
-        elif isinstance(vt.value_type, gir.BoolType):
+    elif isinstance(ast_node.value_type, gir.BoolType):
-            yield Completion("true", CompletionItemKind.Constant)
+        yield Completion("true", CompletionItemKind.Constant)
-            yield Completion("false", CompletionItemKind.Constant)
+        yield Completion("false", CompletionItemKind.Constant)
 
 
 @completer(
     applies_in=[language.ObjectContent],
     matches=new_statement_patterns,
 )
-def signal_completer(lsp, ast_node, match_variables):
+def signal_completer(ast_node, match_variables):
-    if ast_node.gir_class and hasattr(ast_node.gir_class, "signals"):
+    if ast_node.gir_class:
-        for signal_name, signal in ast_node.gir_class.signals.items():
+        for signal in ast_node.gir_class.signals:
             if not isinstance(ast_node.parent, language.Object):
                 name = "on"
             else:
-                name = "on_" + (
+                name = "on_" + (ast_node.parent.tokens["id"] or ast_node.parent.tokens["class_name"].lower())
-                    ast_node.parent.children[ClassName][0].tokens["id"]
+            yield Completion(signal, CompletionItemKind.Property, snippet=f"{signal} => ${{1:{name}_{signal.replace('-', '_')}}}()$0;")
-                    or ast_node.parent.children[ClassName][0]
-                    .tokens["class_name"]
-                    .lower()
-                )
-            yield Completion(
-                signal_name,
-                CompletionItemKind.Event,
-                sort_text=f"1 {signal_name}",
-                snippet=f"{signal_name} => \\$${{1:${name}_{signal_name.replace('-', '_')}}}()$0;",
-                docs=signal.doc,
-                detail=signal.detail,
-            )
 
 
-@completer(applies_in=[language.UI], matches=new_statement_patterns)
+@completer(
-def template_completer(lsp, ast_node, match_variables):
+    applies_in=[language.UI],
+    matches=new_statement_patterns
+)
+def template_completer(ast_node, match_variables):
     yield Completion(
-        "template",
+        "template", CompletionItemKind.Snippet,
-        CompletionItemKind.Snippet,
+        snippet="template ${1:ClassName} : ${2:ParentClass} {\n  $0\n}"
-        snippet="template ${1:ClassName} : ${2:ParentClass} {\n  $0\n}",
     )

blueprintcompiler/completions_utils.py

@@ -20,27 +20,33 @@
 
 import typing as T
 
-from .lsp_utils import Completion
 from .tokenizer import Token, TokenType
+from .lsp_utils import Completion
+
 
 new_statement_patterns = [
     [(TokenType.PUNCTUATION, "{")],
     [(TokenType.PUNCTUATION, "}")],
-    [(TokenType.PUNCTUATION, "]")],
     [(TokenType.PUNCTUATION, ";")],
 ]
 
 
-def completer(applies_in: T.List, matches: T.List = [], applies_in_subclass=None):
+def applies_to(*ast_types):
+    """ Decorator describing which AST nodes the completer should apply in. """
     def decorator(func):
-        def inner(prev_tokens: T.List[Token], ast_node, lsp):
+        for c in ast_types:
+            c.completers.append(func)
+        return func
+    return decorator
+
+def completer(applies_in: T.List, matches: T.List=[], applies_in_subclass=None):
+    def decorator(func):
+        def inner(prev_tokens: T.List[Token], ast_node):
             # For completers that apply in ObjectContent nodes, we can further
             # check that the object is the right class
             if applies_in_subclass is not None:
-                type = ast_node.root.gir.get_type(
+                type = ast_node.root.gir.get_type(applies_in_subclass[1], applies_in_subclass[0])
-                    applies_in_subclass[1], applies_in_subclass[0]
+                if ast_node.gir_class and not ast_node.gir_class.assignable_to(type):
-                )
-                if not ast_node.gir_class or not ast_node.gir_class.assignable_to(type):
                     return
 
             any_match = len(matches) == 0
@@ -53,9 +59,7 @@ def completer(applies_in: T.List, matches: T.List = [], applies_in_subclass=None
                     for i in range(0, len(pattern)):
                         type, value = pattern[i]
                         token = prev_tokens[i - len(pattern)]
-                        if token.type != type or (
+                        if token.type != type or (value is not None and str(token) != value):
-                            value is not None and str(token) != value
-                        ):
                             break
                         if value is None:
                             match_variables.append(str(token))
@@ -66,7 +70,7 @@ def completer(applies_in: T.List, matches: T.List = [], applies_in_subclass=None
             if not any_match:
                 return
 
-            yield from func(lsp, ast_node, match_variables)
+            yield from func(ast_node, match_variables)
 
         for c in applies_in:
             c.completers.append(inner)

blueprintcompiler/decompiler.py

@@ -17,20 +17,20 @@
 #
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
-import typing as T
+import re
-from collections import defaultdict
-from dataclasses import dataclass
 from enum import Enum
+import typing as T
+from dataclasses import dataclass
 
-from . import formatter
+from .xml_reader import Element, parse
 from .gir import *
-from .utils import Colors, escape_quote
+from .utils import Colors
-from .xml_reader import Element, parse, parse_string
+
 
 __all__ = ["decompile"]
 
 
-_DECOMPILERS: dict[str, list] = defaultdict(list)
+_DECOMPILERS: T.Dict = {}
 _CLOSING = {
     "{": "}",
     "[": "]",
@@ -39,7 +39,7 @@ _NAMESPACES = [
     ("GLib", "2.0"),
     ("GObject", "2.0"),
     ("Gio", "2.0"),
-    ("Adw", "1"),
+    ("Adw", "1.0"),
 ]
 
 
@@ -51,34 +51,26 @@ class LineType(Enum):
 
 
 class DecompileCtx:
-    def __init__(self, parent_gir: T.Optional[GirContext] = None) -> None:
+    def __init__(self):
-        self.sub_decompiler = parent_gir is not None
+        self._result = ""
-        self._result: str = ""
+        self.gir = GirContext()
-        self.gir = parent_gir or GirContext()
+        self._indent = 0
-        self._blocks_need_end: T.List[str] = []
+        self._blocks_need_end = []
-        self._last_line_type: LineType = LineType.NONE
+        self._last_line_type = LineType.NONE
-        self._obj_type_stack: list[T.Optional[GirType]] = []
-        self._node_stack: list[Element] = []
 
         self.gir.add_namespace(get_namespace("Gtk", "4.0"))
 
+
     @property
-    def result(self) -> str:
+    def result(self):
-        imports = ""
+        imports = "\n".join([
+            f"using {ns} {namespace.version};"
+            for ns, namespace in self.gir.namespaces.items()
+        ])
+        return imports + "\n" + self._result
 
-        if not self.sub_decompiler:
-            import_lines = sorted(
-                [
-                    f"using {ns} {namespace.version};"
-                    for ns, namespace in self.gir.namespaces.items()
-                    if ns != "Gtk"
-                ]
-            )
-            imports += "\n".join(["using Gtk 4.0;", *import_lines])
 
-        return formatter.format(imports + self._result)
+    def type_by_cname(self, cname):
-
-    def type_by_cname(self, cname: str) -> T.Optional[GirType]:
         if type := self.gir.get_type_by_cname(cname):
             return type
 
@@ -91,204 +83,115 @@ class DecompileCtx:
             except:
                 pass
 
-        return None
 
-    def start_block(self) -> None:
+    def start_block(self):
-        self._blocks_need_end.append("")
+        self._blocks_need_end.append(None)
-        self._obj_type_stack.append(None)
 
-    def end_block(self) -> None:
+    def end_block(self):
         if close := self._blocks_need_end.pop():
             self.print(close)
-        self._obj_type_stack.pop()
 
-    @property
+    def end_block_with(self, text):
-    def current_obj_type(self) -> T.Optional[GirType]:
-        return next((x for x in reversed(self._obj_type_stack) if x is not None), None)
-
-    def push_obj_type(self, type: T.Optional[GirType]) -> None:
-        self._obj_type_stack[-1] = type
-
-    @property
-    def current_node(self) -> T.Optional[Element]:
-        if len(self._node_stack) == 0:
-            return None
-        else:
-            return self._node_stack[-1]
-
-    @property
-    def parent_node(self) -> T.Optional[Element]:
-        if len(self._node_stack) < 2:
-            return None
-        else:
-            return self._node_stack[-2]
-
-    @property
-    def root_node(self) -> T.Optional[Element]:
-        if len(self._node_stack) == 0:
-            return None
-        else:
-            return self._node_stack[0]
-
-    @property
-    def template_class(self) -> T.Optional[str]:
-        assert self.root_node is not None
-        for child in self.root_node.children:
-            if child.tag == "template":
-                return child["class"]
-
-        return None
-
-    def find_object(self, id: str) -> T.Optional[Element]:
-        assert self.root_node is not None
-        for child in self.root_node.children:
-            if child.tag == "template" and child["class"] == id:
-                return child
-
-        def find_in_children(node: Element) -> T.Optional[Element]:
-            if node.tag in ["object", "menu"] and node["id"] == id:
-                return node
-            else:
-                for child in node.children:
-                    if result := find_in_children(child):
-                        return result
-            return None
-
-        return find_in_children(self.root_node)
-
-    def end_block_with(self, text: str) -> None:
         self._blocks_need_end[-1] = text
 
-    def print(self, line: str, newline: bool = True) -> None:
+
-        self._result += line
+    def print(self, line, newline=True):
+        if line == "}" or line == "]":
+            self._indent -= 1
+
+        # Add blank lines between different types of lines, for neatness
+        if newline:
+            if line == "}" or line == "]":
+                line_type = LineType.BLOCK_END
+            elif line.endswith("{") or line.endswith("]"):
+                line_type = LineType.BLOCK_START
+            elif line.endswith(";"):
+                line_type = LineType.STMT
+            else:
+                line_type = LineType.NONE
+            if line_type != self._last_line_type and self._last_line_type != LineType.BLOCK_START and line_type != LineType.BLOCK_END:
+                self._result += "\n"
+            self._last_line_type = line_type
+
+        self._result += ("  " * self._indent) + line
+        if newline:
+            self._result += "\n"
 
         if line.endswith("{") or line.endswith("["):
             if len(self._blocks_need_end):
                 self._blocks_need_end[-1] = _CLOSING[line[-1]]
+            self._indent += 1
 
-    # Converts a value from an XML element to a blueprint string
-    # based on the given type. Returns a tuple of translator comments
-    # (if any) and the decompiled syntax.
-    def decompile_value(
-        self,
-        value: str,
-        type: T.Optional[GirType],
-        translatable: T.Optional[T.Tuple[str, str, str]] = None,
-    ) -> T.Tuple[str, str]:
-        def get_enum_name(value):
-            for member in type.members.values():
-                if (
-                    member.nick == value
-                    or member.c_ident == value
-                    or str(member.value) == value
-                ):
-                    return member.name
-            return value.replace("-", "_")
 
-        if translatable is not None and truthy(translatable[0]):
+    def print_attribute(self, name, value, type):
-            return decompile_translatable(value, *translatable)
+        if type is None:
-        elif type is None:
+            self.print(f"{name}: \"{escape_quote(value)}\";")
-            return "", f"{escape_quote(value)}"
         elif type.assignable_to(FloatType()):
-            return "", str(value)
+            self.print(f"{name}: {value};")
         elif type.assignable_to(BoolType()):
             val = truthy(value)
-            return "", ("true" if val else "false")
+            self.print(f"{name}: {'true' if val else 'false'};")
-        elif type.assignable_to(ArrayType(StringType())):
-            items = ", ".join([escape_quote(x) for x in value.split("\n")])
-            return "", f"[{items}]"
         elif (
             type.assignable_to(self.gir.namespaces["Gtk"].lookup_type("Gdk.Pixbuf"))
             or type.assignable_to(self.gir.namespaces["Gtk"].lookup_type("Gdk.Texture"))
-            or type.assignable_to(
+            or type.assignable_to(self.gir.namespaces["Gtk"].lookup_type("Gdk.Paintable"))
-                self.gir.namespaces["Gtk"].lookup_type("Gdk.Paintable")
+            or type.assignable_to(self.gir.namespaces["Gtk"].lookup_type("Gtk.ShortcutAction"))
-            )
+            or type.assignable_to(self.gir.namespaces["Gtk"].lookup_type("Gtk.ShortcutTrigger"))
-            or type.assignable_to(
-                self.gir.namespaces["Gtk"].lookup_type("Gtk.ShortcutAction")
-            )
-            or type.assignable_to(
-                self.gir.namespaces["Gtk"].lookup_type("Gtk.ShortcutTrigger")
-            )
         ):
-            return "", escape_quote(value)
+            self.print(f"{name}: \"{escape_quote(value)}\";")
-        elif value == self.template_class:
+        elif type.assignable_to(self.gir.namespaces["Gtk"].lookup_type("GObject.Object")):
-            return "", "template"
+            self.print(f"{name}: {value};")
-        elif type.assignable_to(
-            self.gir.namespaces["Gtk"].lookup_type("GObject.Object")
-        ) or isinstance(type, Interface):
-            return "", ("null" if value == "" else value)
-        elif isinstance(type, Bitfield):
-            flags = [get_enum_name(flag) for flag in value.split("|")]
-            return "", " | ".join(flags)
         elif isinstance(type, Enumeration):
-            return "", get_enum_name(value)
+            for member in type.members.values():
-        elif isinstance(type, TypeType):
+                if member.nick == value or member.c_ident == value:
-            if t := self.type_by_cname(value):
+                    self.print(f"{name}: {member.name};")
-                return "", f"typeof<{full_name(t)}>"
+                    break
             else:
-                return "", f"typeof<${value}>"
+                self.print(f"{name}: {value.replace('-', '_')};")
+        elif isinstance(type, Bitfield):
+            flags = re.sub(r"\s*\|\s*", " | ", value).replace("-", "_")
+            self.print(f"{name}: {flags};")
         else:
-            return "", escape_quote(value)
+            self.print(f"{name}: \"{escape_quote(value)}\";")
 
 
-def decompile_element(
+def _decompile_element(ctx: DecompileCtx, gir, xml):
-    ctx: DecompileCtx, gir: T.Optional[GirContext], xml: Element
-) -> None:
     try:
-        decompilers = [d for d in _DECOMPILERS[xml.tag] if d._filter(ctx)]
+        decompiler = _DECOMPILERS.get(xml.tag)
-        if len(decompilers) == 0:
+        if decompiler is None:
             raise UnsupportedError(f"unsupported XML tag: <{xml.tag}>")
 
-        decompiler = decompilers[0]
+        args = {canon(name): value for name, value in xml.attrs.items()}
+        if decompiler._cdata:
+            if len(xml.children):
+                args["cdata"] = None
+            else:
+                args["cdata"] = xml.cdata
 
-        if decompiler._element:
-            args = [ctx, gir, xml]
-            kwargs: T.Dict[str, T.Optional[str]] = {}
-        else:
-            args = [ctx, gir]
-            kwargs = {canon(name): value for name, value in xml.attrs.items()}
-            if decompiler._cdata:
-                if len(xml.children):
-                    kwargs["cdata"] = None
-                else:
-                    kwargs["cdata"] = xml.cdata
-
-        ctx._node_stack.append(xml)
         ctx.start_block()
+        gir = decompiler(ctx, gir, **args)
 
-        try:
+        for child_type in xml.children.values():
-            gir = decompiler(*args, **kwargs)
+            for child in child_type:
-        except TypeError as e:
+                _decompile_element(ctx, gir, child)
-            raise UnsupportedError(tag=xml.tag)
-
-        if not decompiler._skip_children:
-            for child in xml.children:
-                decompile_element(ctx, gir, child)
 
         ctx.end_block()
-        ctx._node_stack.pop()
 
     except UnsupportedError as e:
         raise e
+    except TypeError as e:
+        raise UnsupportedError(tag=xml.tag)
 
 
-def decompile(data: str) -> str:
+def decompile(data):
     ctx = DecompileCtx()
 
     xml = parse(data)
-    decompile_element(ctx, None, xml)
+    _decompile_element(ctx, None, xml)
 
     return ctx.result
 
 
-def decompile_string(data: str) -> str:
-    ctx = DecompileCtx()
-
-    xml = parse_string(data)
-    decompile_element(ctx, None, xml)
-
-    return ctx.result
-
 
 def canon(string: str) -> str:
     if string == "class":
@@ -296,61 +199,37 @@ def canon(string: str) -> str:
     else:
         return string.replace("-", "_").lower()
 
-
 def truthy(string: str) -> bool:
-    return string is not None and string.lower() in ["yes", "true", "t", "y", "1"]
+    return string.lower() in ["yes", "true", "t", "y", "1"]
 
-
+def full_name(gir):
-def full_name(gir: GirType) -> str:
     return gir.name if gir.full_name.startswith("Gtk.") else gir.full_name
 
-
+def lookup_by_cname(gir, cname: str):
-def lookup_by_cname(gir, cname: str) -> T.Optional[GirType]:
     if isinstance(gir, GirContext):
         return gir.get_type_by_cname(cname)
     else:
         return gir.get_containing(Repository).get_type_by_cname(cname)
 
 
-def decompiler(
+def decompiler(tag, cdata=False):
-    tag,
-    cdata=False,
-    parent_type: T.Optional[str] = None,
-    parent_tag: T.Optional[str] = None,
-    skip_children=False,
-    element=False,
-):
     def decorator(func):
         func._cdata = cdata
-        func._skip_children = skip_children
+        _DECOMPILERS[tag] = func
-        func._element = element
-
-        def filter(ctx):
-            if parent_type is not None:
-                if (
-                    ctx.current_obj_type is None
-                    or ctx.current_obj_type.full_name != parent_type
-                ):
-                    return False
-
-            if parent_tag is not None:
-                if not any(x.tag == parent_tag for x in ctx._node_stack):
-                    return False
-
-            return True
-
-        func._filter = filter
-
-        _DECOMPILERS[tag].append(func)
         return func
-
     return decorator
 
 
+def escape_quote(string: str) -> str:
+    return (string
+            .replace("\\", "\\\\")
+            .replace("\'", "\\'")
+            .replace("\"", "\\\"")
+            .replace("\n", "\\n"))
+
+
 @decompiler("interface")
-def decompile_interface(ctx, gir, domain=None):
+def decompile_interface(ctx, gir):
-    if domain is not None:
-        ctx.print(f"translation-domain {escape_quote(domain)};")
     return gir
 
 
@@ -364,43 +243,14 @@ def decompile_placeholder(ctx, gir):
     pass
 
 
-def decompile_translatable(
-    string: str,
-    translatable: T.Optional[str],
-    context: T.Optional[str],
-    comments: T.Optional[str],
-) -> T.Tuple[str, str]:
-    if translatable is not None and truthy(translatable):
-        if comments is None:
-            comments = ""
-        else:
-            comments = comments.replace("/*", " ").replace("*/", " ")
-            comments = f"/* Translators: {comments} */"
-
-        if context is not None:
-            return comments, f"C_({escape_quote(context)}, {escape_quote(string)})"
-        else:
-            return comments, f"_({escape_quote(string)})"
-    else:
-        return "", f"{escape_quote(string)}"
-
-
 @decompiler("property", cdata=True)
-def decompile_property(
+def decompile_property(ctx, gir, name, cdata, bind_source=None, bind_property=None, bind_flags=None, translatable="false", comments=None, context=None):
-    ctx: DecompileCtx,
-    gir,
-    name,
-    cdata,
-    bind_source=None,
-    bind_property=None,
-    bind_flags=None,
-    translatable="false",
-    comments=None,
-    context=None,
-):
     name = name.replace("_", "-")
+    if comments is not None:
+        ctx.print(f"/* Translators: {comments} */")
+
     if cdata is None:
-        ctx.print(f"{name}: ")
+        ctx.print(f"{name}: ", False)
         ctx.end_block_with(";")
     elif bind_source:
         flags = ""
@@ -411,50 +261,21 @@ def decompile_property(
             flags += " inverted"
         if "bidirectional" in bind_flags:
             flags += " bidirectional"
-
-        if bind_source == ctx.template_class:
-            bind_source = "template"
-
         ctx.print(f"{name}: bind {bind_source}.{bind_property}{flags};")
     elif truthy(translatable):
-        comments, translatable = decompile_translatable(
+        if context is not None:
-            cdata, translatable, context, comments
+            ctx.print(f"{name}: C_(\"{escape_quote(context)}\", \"{escape_quote(cdata)}\");")
-        )
+        else:
-        if comments is not None:
+            ctx.print(f"{name}: _(\"{escape_quote(cdata)}\");")
-            ctx.print(comments)
-        ctx.print(f"{name}: {translatable};")
     elif gir is None or gir.properties.get(name) is None:
-        ctx.print(f"{name}: {escape_quote(cdata)};")
+        ctx.print(f"{name}: \"{escape_quote(cdata)}\";")
-    elif (
-        gir.assignable_to(ctx.gir.get_class("BuilderListItemFactory", "Gtk"))
-        and name == "bytes"
-    ):
-        sub_ctx = DecompileCtx(ctx.gir)
-
-        xml = parse_string(cdata)
-        decompile_element(sub_ctx, None, xml)
-
-        ctx.print(sub_ctx.result)
     else:
-        _, string = ctx.decompile_value(cdata, gir.properties.get(name).type)
+        ctx.print_attribute(name, cdata, gir.properties.get(name).type)
-        ctx.print(f"{name}: {string};")
     return gir
 
-
 @decompiler("attribute", cdata=True)
-def decompile_attribute(
+def decompile_attribute(ctx, gir, name, cdata, translatable="false", comments=None, context=None):
-    ctx, gir, name, cdata, translatable="false", comments=None, context=None
+    decompile_property(ctx, gir, name, cdata, translatable=translatable, comments=comments, context=context)
-):
-    decompile_property(
-        ctx,
-        gir,
-        name,
-        cdata,
-        translatable=translatable,
-        comments=comments,
-        context=context,
-    )
-
 
 @decompiler("attributes")
 def decompile_attributes(ctx, gir):
@@ -471,7 +292,5 @@ class UnsupportedError(Exception):
         print(f"in {Colors.UNDERLINE}{filename}{Colors.NO_UNDERLINE}")
         if self.tag:
             print(f"in tag {Colors.BLUE}{self.tag}{Colors.CLEAR}")
-        print(
+        print(f"""{Colors.FAINT}The compiler might support this feature, but the porting tool does not. You
-            f"""{Colors.FAINT}The compiler might support this feature, but the porting tool does not. You
+probably need to port this file manually.{Colors.CLEAR}\n""")
-probably need to port this file manually.{Colors.CLEAR}\n"""
-        )

blueprintcompiler/errors.py

@@ -17,50 +17,39 @@
 #
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
-import sys
-import traceback
-import typing as T
 from dataclasses import dataclass
-
+import typing as T
+import sys, traceback
 from . import utils
-from .tokenizer import Range
 from .utils import Colors
 
-
 class PrintableError(Exception):
-    """Parent class for errors that can be pretty-printed for the user, e.g.
+    """ Parent class for errors that can be pretty-printed for the user, e.g.
-    compilation warnings and errors."""
+    compilation warnings and errors. """
 
-    def pretty_print(self, filename, code, stream=sys.stdout):
+    def pretty_print(self, filename, code):
         raise NotImplementedError()
 
 
 @dataclass
 class ErrorReference:
-    range: Range
+    start: int
+    end: int
     message: str
 
 
 class CompileError(PrintableError):
-    """A PrintableError with a start/end position and optional hints"""
+    """ A PrintableError with a start/end position and optional hints """
 
     category = "error"
     color = Colors.RED
 
-    def __init__(
+    def __init__(self, message, start=None, end=None, did_you_mean=None, hints=None, actions=None, fatal=False, references=None):
-        self,
-        message: str,
-        range: T.Optional[Range] = None,
-        did_you_mean: T.Optional[T.Tuple[str, T.List[str]]] = None,
-        hints: T.Optional[T.List[str]] = None,
-        actions: T.Optional[T.List["CodeAction"]] = None,
-        fatal: bool = False,
-        references: T.Optional[T.List[ErrorReference]] = None,
-    ) -> None:
         super().__init__(message)
 
         self.message = message
-        self.range = range
+        self.start = start
+        self.end = end
         self.hints = hints or []
         self.actions = actions or []
         self.references = references or []
@@ -69,11 +58,12 @@ class CompileError(PrintableError):
         if did_you_mean is not None:
             self._did_you_mean(*did_you_mean)
 
-    def hint(self, hint: str) -> "CompileError":
+    def hint(self, hint: str):
         self.hints.append(hint)
         return self
 
-    def _did_you_mean(self, word: str, options: T.List[str]) -> None:
+
+    def _did_you_mean(self, word: str, options: T.List[str]):
         if word.replace("_", "-") in options:
             self.hint(f"use '-', not '_': `{word.replace('_', '-')}`")
             return
@@ -89,65 +79,28 @@ class CompileError(PrintableError):
             self.hint("Did you check your spelling?")
             self.hint("Are your dependencies up to date?")
 
-    def pretty_print(self, filename: str, code: str, stream=sys.stdout) -> None:
+    def pretty_print(self, filename, code, stream=sys.stdout):
-        assert self.range is not None
+        line_num, col_num = utils.idx_to_pos(self.start + 1, code)
-
+        line = code.splitlines(True)[line_num]
-        line_num, col_num = utils.idx_to_pos(self.range.start + 1, code)
-        end_line_num, end_col_num = utils.idx_to_pos(self.range.end + 1, code)
-        line = code.splitlines(True)[line_num] if code != "" else ""
 
         # Display 1-based line numbers
         line_num += 1
-        end_line_num += 1
 
-        n_spaces = col_num - 1
+        stream.write(f"""{self.color}{Colors.BOLD}{self.category}: {self.message}{Colors.CLEAR}
-        n_carets = (
-            (end_col_num - col_num)
-            if line_num == end_line_num
-            else (len(line) - n_spaces - 1)
-        )
-
-        n_spaces += line.count("\t", 0, col_num)
-        n_carets += line.count("\t", col_num, col_num + n_carets)
-        line = line.replace("\t", "  ")
-
-        stream.write(
-            f"""{self.color}{Colors.BOLD}{self.category}: {self.message}{Colors.CLEAR}
 at {filename} line {line_num} column {col_num}:
-{Colors.FAINT}{line_num :>4} |{Colors.CLEAR}{line.rstrip()}\n     {Colors.FAINT}|{" "*n_spaces}{"^"*n_carets}{Colors.CLEAR}\n"""
+{Colors.FAINT}{line_num :>4} |{Colors.CLEAR}{line.rstrip()}\n     {Colors.FAINT}|{" "*(col_num-1)}^{Colors.CLEAR}\n""")
-        )
 
         for hint in self.hints:
             stream.write(f"{Colors.FAINT}hint: {hint}{Colors.CLEAR}\n")
 
-        for i, action in enumerate(self.actions):
-            old = (
-                action.edit_range.text
-                if action.edit_range is not None
-                else self.range.text
-            )
-
-            if old == "":
-                stream.write(
-                    f"suggestion: insert {Colors.GREEN}{action.replace_with}{Colors.CLEAR}\n"
-                )
-            elif action.replace_with == "":
-                stream.write(f"suggestion: remove {Colors.RED}{old}{Colors.CLEAR}\n")
-            else:
-                stream.write(
-                    f"suggestion: replace {Colors.RED}{old}{Colors.CLEAR} with {Colors.GREEN}{action.replace_with}{Colors.CLEAR}\n"
-                )
-
         for ref in self.references:
-            line_num, col_num = utils.idx_to_pos(ref.range.start + 1, code)
+            line_num, col_num = utils.idx_to_pos(ref.start + 1, code)
             line = code.splitlines(True)[line_num]
             line_num += 1
 
-            stream.write(
+            stream.write(f"""{Colors.FAINT}note: {ref.message}:
-                f"""{Colors.FAINT}note: {ref.message}:
 at {filename} line {line_num} column {col_num}:
-{Colors.FAINT}{line_num :>4} |{line.rstrip()}\n     {Colors.FAINT}|{" "*(col_num-1)}^{Colors.CLEAR}\n"""
+{Colors.FAINT}{line_num :>4} |{line.rstrip()}\n     {Colors.FAINT}|{" "*(col_num-1)}^{Colors.CLEAR}\n""")
-            )
 
         stream.write("\n")
 
@@ -157,70 +110,50 @@ class CompileWarning(CompileError):
     color = Colors.YELLOW
 
 
-class DeprecatedWarning(CompileWarning):
-    pass
-
-
-class UnusedWarning(CompileWarning):
-    pass
-
-
-class UpgradeWarning(CompileWarning):
-    category = "upgrade"
-    color = Colors.PURPLE
-
-
 class UnexpectedTokenError(CompileError):
-    def __init__(self, range: Range) -> None:
+    def __init__(self, start, end):
-        super().__init__("Unexpected tokens", range)
+        super().__init__("Unexpected tokens", start, end)
 
 
 @dataclass
 class CodeAction:
     title: str
     replace_with: str
-    edit_range: T.Optional[Range] = None
 
 
 class MultipleErrors(PrintableError):
-    """If multiple errors occur during compilation, they can be collected into
+    """ If multiple errors occur during compilation, they can be collected into
     a list and re-thrown using the MultipleErrors exception. It will
-    pretty-print all of the errors and a count of how many errors there are."""
+    pretty-print all of the errors and a count of how many errors there are. """
 
-    def __init__(self, errors: T.List[CompileError]) -> None:
+    def __init__(self, errors: T.List[CompileError]):
         super().__init__()
         self.errors = errors
 
-    def pretty_print(self, filename, code, stream=sys.stdout) -> None:
+    def pretty_print(self, filename, code) -> None:
         for error in self.errors:
-            error.pretty_print(filename, code, stream)
+            error.pretty_print(filename, code)
         if len(self.errors) != 1:
             print(f"{len(self.errors)} errors")
 
 
 class CompilerBugError(Exception):
-    """Emitted on assertion errors"""
+    """ Emitted on assertion errors """
 
 
-def assert_true(truth: bool, message: T.Optional[str] = None):
+def assert_true(truth: bool, message:str=None):
     if not truth:
         raise CompilerBugError(message)
 
 
-def report_bug():  # pragma: no cover
+def report_bug(): # pragma: no cover
-    """Report an error and ask people to report it."""
+    """ Report an error and ask people to report it. """
-
-    from . import main
 
     print(traceback.format_exc())
-    print(f"Arguments: {sys.argv}")
+    print(f"Arguments: {sys.argv}\n")
-    print(f"Version: {main.VERSION}\n")
+    print(f"""{Colors.BOLD}{Colors.RED}***** COMPILER BUG *****
-    print(
-        f"""{Colors.BOLD}{Colors.RED}***** COMPILER BUG *****
 The blueprint-compiler program has crashed. Please report the above stacktrace,
 along with the input file(s) if possible, on GitLab:
-{Colors.BOLD}{Colors.BLUE}{Colors.UNDERLINE}https://gitlab.gnome.org/GNOME/blueprint-compiler/-/issues/new?issue
+{Colors.BOLD}{Colors.BLUE}{Colors.UNDERLINE}https://gitlab.gnome.org/jwestman/blueprint-compiler/-/issues/new?issue
-{Colors.CLEAR}"""
+{Colors.CLEAR}""")
-    )
 
-    sys.exit(1)

blueprintcompiler/formatter.py

@@ -1,232 +0,0 @@
-# formatter.py
-#
-# Copyright 2023 Gregor Niehl <gregorniehl@web.de>
-#
-# This file is free software; you can redistribute it and/or modify it
-# under the terms of the GNU Lesser General Public License as
-# published by the Free Software Foundation; either version 3 of the
-# License, or (at your option) any later version.
-#
-# This file is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-# Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
-# SPDX-License-Identifier: LGPL-3.0-or-later
-
-import re
-from enum import Enum
-
-from . import tokenizer
-from .errors import CompilerBugError
-from .tokenizer import TokenType
-
-OPENING_TOKENS = ("{", "[")
-CLOSING_TOKENS = ("}", "]")
-
-NEWLINE_AFTER = tuple(";") + OPENING_TOKENS + CLOSING_TOKENS
-
-NO_WHITESPACE_BEFORE = (",", ":", "::", ";", ")", ".", ">", "]", "=")
-NO_WHITESPACE_AFTER = ("C_", "_", "(", ".", "$", "<", "::", "[", "=")
-
-# NO_WHITESPACE_BEFORE takes precedence over WHITESPACE_AFTER
-WHITESPACE_AFTER = (":", ",", ">", ")", "|", "=>")
-WHITESPACE_BEFORE = ("{", "|")
-
-
-class LineType(Enum):
-    STATEMENT = 0
-    BLOCK_OPEN = 1
-    BLOCK_CLOSE = 2
-    CHILD_TYPE = 3
-    COMMENT = 4
-
-
-def format(data, tab_size=2, insert_space=True):
-    indent_levels = 0
-    tokens = tokenizer.tokenize(data)
-    end_str = ""
-    last_not_whitespace = tokens[0]
-    current_line = ""
-    prev_line_type = None
-    is_child_type = False
-    indent_item = " " * tab_size if insert_space else "\t"
-    watch_parentheses = False
-    parentheses_balance = 0
-    bracket_tracker = [None]
-    last_whitespace_contains_newline = False
-
-    def commit_current_line(
-        line_type=prev_line_type, redo_whitespace=False, newlines_before=1
-    ):
-        nonlocal end_str, current_line, prev_line_type
-
-        indent_whitespace = indent_levels * indent_item
-        whitespace_to_add = "\n" + indent_whitespace
-
-        if redo_whitespace or newlines_before != 1:
-            end_str = end_str.strip() + "\n" * newlines_before
-            if newlines_before > 0:
-                end_str += indent_whitespace
-
-        end_str += current_line + whitespace_to_add
-
-        current_line = ""
-        prev_line_type = line_type
-
-    for item in tokens:
-        str_item = str(item)
-
-        if item.type == TokenType.WHITESPACE:
-            last_whitespace_contains_newline = "\n" in str_item
-            continue
-
-        whitespace_required = (
-            str_item in WHITESPACE_BEFORE
-            or str(last_not_whitespace) in WHITESPACE_AFTER
-            or (str_item == "(" and end_str.endswith(": bind"))
-        )
-        whitespace_blockers = (
-            str_item in NO_WHITESPACE_BEFORE
-            or str(last_not_whitespace) in NO_WHITESPACE_AFTER
-            or (str_item == "<" and str(last_not_whitespace) == "typeof")
-        )
-
-        this_or_last_is_ident = TokenType.IDENT in (item.type, last_not_whitespace.type)
-        current_line_is_empty = len(current_line) == 0
-        is_function = str_item == "(" and not re.match(
-            r"^([A-Za-z_\-])+(: bind)?$", current_line
-        )
-
-        any_blockers = whitespace_blockers or current_line_is_empty or is_function
-        if (whitespace_required or this_or_last_is_ident) and not any_blockers:
-            current_line += " "
-
-        current_line += str_item
-
-        if str_item in ("[", "("):
-            bracket_tracker.append(str_item)
-        elif str_item in ("]", ")"):
-            bracket_tracker.pop()
-
-        needs_newline_treatment = (
-            str_item in NEWLINE_AFTER or item.type == TokenType.COMMENT
-        )
-        if needs_newline_treatment:
-            if str_item in OPENING_TOKENS:
-                list_or_child_type = str_item == "["
-                if list_or_child_type:
-                    is_child_type = current_line.startswith("[")
-
-                    if is_child_type:
-                        if str(last_not_whitespace) not in OPENING_TOKENS:
-                            end_str = (
-                                end_str.strip() + "\n\n" + (indent_item * indent_levels)
-                            )
-                        last_not_whitespace = item
-                        continue
-
-                indent_levels += 1
-                keep_same_indent = prev_line_type not in (
-                    LineType.CHILD_TYPE,
-                    LineType.COMMENT,
-                    LineType.BLOCK_OPEN,
-                )
-                if keep_same_indent:
-                    end_str = (
-                        end_str.strip() + "\n\n" + indent_item * (indent_levels - 1)
-                    )
-                commit_current_line(LineType.BLOCK_OPEN)
-
-            elif str_item == "]" and is_child_type:
-                commit_current_line(LineType.CHILD_TYPE, False)
-                is_child_type = False
-
-            elif str_item in CLOSING_TOKENS:
-                if str_item == "]" and str(last_not_whitespace) != "[":
-                    current_line = current_line[:-1]
-                    if str(last_not_whitespace) != ",":
-                        current_line += ","
-                    commit_current_line()
-                    current_line = "]"
-                elif str(last_not_whitespace) in OPENING_TOKENS:
-                    end_str = end_str.strip()
-                    commit_current_line(LineType.BLOCK_CLOSE, True, 0)
-
-                indent_levels -= 1
-                commit_current_line(LineType.BLOCK_CLOSE, True)
-
-            elif str_item == ";":
-                line_type = LineType.STATEMENT
-                newlines = 1
-
-                if len(current_line) == 1:
-                    newlines = 0
-                    line_type = LineType.BLOCK_CLOSE
-                elif prev_line_type == LineType.BLOCK_CLOSE:
-                    newlines = 2
-
-                commit_current_line(line_type, newlines_before=newlines)
-
-            elif item.type == TokenType.COMMENT:
-                require_extra_newline = (
-                    LineType.BLOCK_CLOSE,
-                    LineType.STATEMENT,
-                    LineType.COMMENT,
-                )
-
-                single_line_comment = str_item.startswith("//")
-                newlines = 1
-                if single_line_comment:
-                    if not str_item.startswith("// "):
-                        current_line = f"// {current_line[2:]}"
-
-                    if not last_whitespace_contains_newline:
-                        current_line = " " + current_line
-                        newlines = 0
-                    elif prev_line_type == LineType.BLOCK_CLOSE:
-                        newlines = 2
-
-                elif prev_line_type in require_extra_newline:
-                    newlines = 2
-
-                current_line = "\n".join(
-                    [line.rstrip() for line in current_line.split("\n")]
-                )
-                commit_current_line(LineType.COMMENT, newlines_before=newlines)
-
-            else:  # pragma: no cover
-                raise CompilerBugError()
-
-        elif str_item == "(" and (
-            re.match(r"^([A-Za-z_\-])+\s*\(", current_line) or watch_parentheses
-        ):
-            watch_parentheses = True
-            parentheses_balance += 1
-
-        elif str_item == ")" and watch_parentheses:
-            parentheses_balance -= 1
-            all_parentheses_closed = parentheses_balance == 0
-            if all_parentheses_closed:
-                commit_current_line(
-                    newlines_before=2 if prev_line_type == LineType.BLOCK_CLOSE else 1
-                )
-                watch_parentheses = False
-
-        tracker_is_empty = len(bracket_tracker) > 0
-        if tracker_is_empty:
-            last_in_tracker = bracket_tracker[-1]
-            is_list_comma = last_in_tracker == "[" and str_item == ","
-            if is_list_comma:
-                last_was_list_item = end_str.strip()[-1] not in ("[", ",")
-                if last_was_list_item:
-                    end_str = end_str.strip()
-                commit_current_line()
-
-        last_not_whitespace = item
-        last_whitespace_contains_newline = False
-
-    return end_str.strip() + "\n"

blueprintcompiler/interactive_port.py

@@ -18,27 +18,25 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
 
+import typing as T
 import difflib
 import os
-import typing as T
 
-from . import decompiler, parser, tokenizer
+from . import decompiler, tokenizer, parser
-from .errors import CompilerBugError, MultipleErrors, PrintableError
+from .errors import MultipleErrors, PrintableError
-from .outputs.xml import XmlOutput
 from .utils import Colors
 
+
 # A tool to interactively port projects to blueprints.
 
 
 class CouldNotPort:
-    def __init__(self, message: str):
+    def __init__(self, message):
         self.message = message
 
-
 def change_suffix(f):
     return f.removesuffix(".ui") + ".blp"
 
-
 def decompile_file(in_file, out_file) -> T.Union[str, CouldNotPort]:
     if os.path.exists(out_file):
         return CouldNotPort("already exists")
@@ -56,23 +54,19 @@ def decompile_file(in_file, out_file) -> T.Union[str, CouldNotPort]:
 
             if errors:
                 raise errors
-            if not ast:
+            if len(ast.errors):
-                raise CompilerBugError()
+                raise MultipleErrors(ast.errors)
 
-            output = XmlOutput()
+            ast.generate()
-            output.emit(ast)
         except PrintableError as e:
             e.pretty_print(out_file, decompiled)
 
-            print(
+            print(f"{Colors.RED}{Colors.BOLD}error: the generated file does not compile{Colors.CLEAR}")
-                f"{Colors.RED}{Colors.BOLD}error: the generated file does not compile{Colors.CLEAR}"
-            )
             print(f"in {Colors.UNDERLINE}{out_file}{Colors.NO_UNDERLINE}")
             print(
-                f"""{Colors.FAINT}Either the original XML file had an error, or there is a bug in the
+f"""{Colors.FAINT}Either the original XML file had an error, or there is a bug in the
 porting tool. If you think it's a bug (which is likely), please file an issue on GitLab:
-{Colors.BLUE}{Colors.UNDERLINE}https://gitlab.gnome.org/GNOME/blueprint-compiler/-/issues/new?issue{Colors.CLEAR}\n"""
+{Colors.BLUE}{Colors.UNDERLINE}https://gitlab.gnome.org/jwestman/blueprint-compiler/-/issues/new?issue{Colors.CLEAR}\n""")
-            )
 
             return CouldNotPort("does not compile")
 
@@ -88,12 +82,10 @@ def listdir_recursive(subdir):
     for file in files:
         if file in ["_build", "build"]:
             continue
-        if file.startswith("."):
-            continue
         full = os.path.join(subdir, file)
         if full == "./subprojects":
             # skip the subprojects directory
-            continue
+            return
         if os.path.isfile(full):
             yield full
         elif os.path.isdir(full):
@@ -114,9 +106,7 @@ def enter():
 
 
 def step1():
-    print(
+    print(f"{Colors.BOLD}STEP 1: Create subprojects/blueprint-compiler.wrap{Colors.CLEAR}")
-        f"{Colors.BOLD}STEP 1: Create subprojects/blueprint-compiler.wrap{Colors.CLEAR}"
-    )
 
     if os.path.exists("subprojects/blueprint-compiler.wrap"):
         print("subprojects/blueprint-compiler.wrap already exists, skipping\n")
@@ -129,20 +119,17 @@ def step1():
             pass
 
         from .main import VERSION
-
         VERSION = "main" if VERSION == "uninstalled" else "v" + VERSION
 
         with open("subprojects/blueprint-compiler.wrap", "w") as wrap:
-            wrap.write(
+            wrap.write(f"""[wrap-git]
-                f"""[wrap-git]
 directory = blueprint-compiler
-url = https://gitlab.gnome.org/GNOME/blueprint-compiler.git
+url = https://gitlab.gnome.org/jwestman/blueprint-compiler.git
 revision = {VERSION}
 depth = 1
 
 [provide]
-program_names = blueprint-compiler"""
+program_names = blueprint-compiler""")
-            )
 
     print()
 
@@ -157,9 +144,7 @@ def step2():
                 if yesno("Add '/subprojects/blueprint-compiler' to .gitignore?"):
                     gitignore.write("\n/subprojects/blueprint-compiler\n")
             else:
-                print(
+                print("'/subprojects/blueprint-compiler' already in .gitignore, skipping")
-                    "'/subprojects/blueprint-compiler' already in .gitignore, skipping"
-                )
     else:
         if yesno("Create .gitignore with '/subprojects/blueprint-compiler'?"):
             with open(".gitignore", "w") as gitignore:
@@ -182,13 +167,9 @@ def step3():
         if isinstance(result, CouldNotPort):
             if result.message == "already exists":
                 print(Colors.FAINT, end="")
-            print(
+            print(f"{Colors.RED}will not port {Colors.UNDERLINE}{in_file}{Colors.NO_UNDERLINE} -> {Colors.UNDERLINE}{out_file}{Colors.NO_UNDERLINE} [{result.message}]{Colors.CLEAR}")
-                f"{Colors.RED}will not port {Colors.UNDERLINE}{in_file}{Colors.NO_UNDERLINE} -> {Colors.UNDERLINE}{out_file}{Colors.NO_UNDERLINE} [{result.message}]{Colors.CLEAR}"
-            )
         else:
-            print(
+            print(f"will port {Colors.UNDERLINE}{in_file}{Colors.CLEAR} -> {Colors.UNDERLINE}{out_file}{Colors.CLEAR}")
-                f"will port {Colors.UNDERLINE}{in_file}{Colors.CLEAR} -> {Colors.UNDERLINE}{out_file}{Colors.CLEAR}"
-            )
             success += 1
 
     print()
@@ -197,9 +178,7 @@ def step3():
     elif success == len(files):
         print(f"{Colors.GREEN}All files were converted.{Colors.CLEAR}")
     elif success > 0:
-        print(
+        print(f"{Colors.RED}{success} file(s) were converted, {len(files) - success} were not.{Colors.CLEAR}")
-            f"{Colors.RED}{success} file(s) were converted, {len(files) - success} were not.{Colors.CLEAR}"
-        )
     else:
         print(f"{Colors.RED}None of the files could be converted.{Colors.CLEAR}")
 
@@ -223,33 +202,22 @@ def step3():
 
 def step4(ported):
     print(f"{Colors.BOLD}STEP 4: Set up meson.build{Colors.CLEAR}")
-    print(
+    print(f"{Colors.BOLD}{Colors.YELLOW}NOTE: Depending on your build system setup, you may need to make some adjustments to this step.{Colors.CLEAR}")
-        f"{Colors.BOLD}{Colors.YELLOW}NOTE: Depending on your build system setup, you may need to make some adjustments to this step.{Colors.CLEAR}"
-    )
 
-    meson_files = [
+    meson_files = [file for file in listdir_recursive(".") if os.path.basename(file) == "meson.build"]
-        file
-        for file in listdir_recursive(".")
-        if os.path.basename(file) == "meson.build"
-    ]
     for meson_file in meson_files:
         with open(meson_file, "r") as f:
             if "gnome.compile_resources" in f.read():
                 parent = os.path.dirname(meson_file)
-                file_list = "\n    ".join(
+                file_list = "\n    ".join([
-                    [
+                    f"'{os.path.relpath(file, parent)}',"
-                        f"'{os.path.relpath(file, parent)}',"
+                    for file in ported
-                        for file in ported
+                    if file.startswith(parent)
-                        if file.startswith(parent)
+                ])
-                    ]
-                )
 
                 if len(file_list):
-                    print(
+                    print(f"{Colors.BOLD}Paste the following into {Colors.UNDERLINE}{meson_file}{Colors.NO_UNDERLINE}:{Colors.CLEAR}")
-                        f"{Colors.BOLD}Paste the following into {Colors.UNDERLINE}{meson_file}{Colors.NO_UNDERLINE}:{Colors.CLEAR}"
+                    print(f"""
-                    )
-                    print(
-                        f"""
 blueprints = custom_target('blueprints',
   input: files(
     {file_list}
@@ -257,17 +225,14 @@ blueprints = custom_target('blueprints',
   output: '.',
   command: [find_program('blueprint-compiler'), 'batch-compile', '@OUTPUT@', '@CURRENT_SOURCE_DIR@', '@INPUT@'],
 )
-"""
+""")
-                    )
                     enter()
 
-                    print(
+                    print(f"""{Colors.BOLD}Paste the following into the 'gnome.compile_resources()'
-                        f"""{Colors.BOLD}Paste the following into the 'gnome.compile_resources()'
 arguments in {Colors.UNDERLINE}{meson_file}{Colors.NO_UNDERLINE}:{Colors.CLEAR}
 
 dependencies: blueprints,
-    """
+    """)
-                    )
                     enter()
 
     print()
@@ -277,9 +242,7 @@ def step5(in_files):
     print(f"{Colors.BOLD}STEP 5: Update POTFILES.in{Colors.CLEAR}")
 
     if not os.path.exists("po/POTFILES.in"):
-        print(
+        print(f"{Colors.UNDERLINE}po/POTFILES.in{Colors.NO_UNDERLINE} does not exist, skipping\n")
-            f"{Colors.UNDERLINE}po/POTFILES.in{Colors.NO_UNDERLINE} does not exist, skipping\n"
-        )
         return
 
     with open("po/POTFILES.in", "r") as potfiles:
@@ -292,22 +255,12 @@ def step5(in_files):
 
         new_data = "".join(lines)
 
+    print(f"{Colors.BOLD}Will make the following changes to {Colors.UNDERLINE}po/POTFILES.in{Colors.CLEAR}")
     print(
-        f"{Colors.BOLD}Will make the following changes to {Colors.UNDERLINE}po/POTFILES.in{Colors.CLEAR}"
+        "".join([
-    )
+            (Colors.GREEN if line.startswith('+') else Colors.RED + Colors.FAINT if line.startswith('-') else '') + line + Colors.CLEAR
-    print(
+            for line in difflib.unified_diff(old_lines, lines)
-        "".join(
+        ])
-            [
-                (
-                    Colors.GREEN
-                    if line.startswith("+")
-                    else Colors.RED + Colors.FAINT if line.startswith("-") else ""
-                )
-                + line
-                + Colors.CLEAR
-                for line in difflib.unified_diff(old_lines, lines)
-            ]
-        )
     )
 
     if yesno("Is this ok?"):
@@ -336,6 +289,5 @@ def run(opts):
     step5(in_files)
     step6(in_files)
 
-    print(
+    print(f"{Colors.BOLD}STEP 6: Done! Make sure your app still builds and runs correctly.{Colors.CLEAR}")
-        f"{Colors.BOLD}STEP 6: Done! Make sure your app still builds and runs correctly.{Colors.CLEAR}"
+
-    )

blueprintcompiler/language/__init__.py

@@ -1,78 +1,49 @@
-from .adw_breakpoint import (
+""" Contains all the syntax beyond basic objects, properties, signal, and
-    AdwBreakpointCondition,
+templates. """
-    AdwBreakpointSetter,
+
-    AdwBreakpointSetters,
+from .attributes import BaseAttribute, BaseTypedAttribute
-)
-from .adw_response_dialog import ExtAdwResponseDialog
-from .binding import Binding
-from .common import *
-from .contexts import ScopeCtx, ValueTypeCtx
-from .expression import (
-    CastExpr,
-    ClosureArg,
-    ClosureExpr,
-    ExprBase,
-    Expression,
-    LiteralExpr,
-    LookupOp,
-)
 from .gobject_object import Object, ObjectContent
 from .gobject_property import Property
 from .gobject_signal import Signal
-from .gtk_a11y import A11yProperty, ExtAccessibility
+from .gtk_a11y import A11y
-from .gtk_combo_box_text import ExtComboBoxItems
+from .gtk_combo_box_text import Items
-from .gtk_file_filter import (
+from .gtk_file_filter import mime_types, patterns, suffixes
-    Filters,
+from .gtk_layout import Layout
-    ext_file_filter_mime_types,
+from .gtk_menu import menu
-    ext_file_filter_patterns,
+from .gtk_size_group import Widgets
-    ext_file_filter_suffixes,
+from .gtk_string_list import Strings
-)
+from .gtk_styles import Styles
-from .gtk_layout import ExtLayout
+from .gtkbuilder_child import Child
-from .gtk_list_item_factory import ExtListItemFactory
-from .gtk_menu import Menu, MenuAttribute, menu
-from .gtk_scale import ExtScaleMarks
-from .gtk_size_group import ExtSizeGroupWidgets
-from .gtk_string_list import ExtStringListStrings
-from .gtk_styles import ExtStyles
-from .gtkbuilder_child import Child, ChildExtension, ChildInternal, ChildType
 from .gtkbuilder_template import Template
 from .imports import GtkDirective, Import
-from .types import ClassName
 from .ui import UI
-from .values import (
+from .values import IdentValue, TranslatedStringValue, FlagsValue, LiteralValue
-    ArrayValue,
+
-    ExprValue,
+from .common import *
-    Flag,
+
-    Flags,
+OBJECT_HOOKS.children = [
-    IdentLiteral,
+    menu,
-    Literal,
+    Object,
-    NumberLiteral,
+]
-    ObjectValue,
-    QuotedLiteral,
-    StringValue,
-    Translated,
-    TypeLiteral,
-    Value,
-)
 
 OBJECT_CONTENT_HOOKS.children = [
     Signal,
     Property,
-    AdwBreakpointCondition,
+    A11y,
-    AdwBreakpointSetters,
+    Styles,
-    ExtAccessibility,
+    Layout,
-    ExtAdwResponseDialog,
+    mime_types,
-    ExtComboBoxItems,
+    patterns,
-    ext_file_filter_mime_types,
+    suffixes,
-    ext_file_filter_patterns,
+    Widgets,
-    ext_file_filter_suffixes,
+    Items,
-    ExtLayout,
+    Strings,
-    ExtListItemFactory,
-    ExtScaleMarks,
-    ExtSizeGroupWidgets,
-    ExtStringListStrings,
-    ExtStyles,
     Child,
 ]
 
-LITERAL.children = [Literal]
+VALUE_HOOKS.children = [
+    TranslatedStringValue,
+    FlagsValue,
+    IdentValue,
+    LiteralValue,
+]

blueprintcompiler/language/adw_breakpoint.py

@@ -1,254 +0,0 @@
-# adw_breakpoint.py
-#
-# Copyright 2023 James Westman <james@jwestman.net>
-#
-# This file is free software; you can redistribute it and/or modify it
-# under the terms of the GNU Lesser General Public License as
-# published by the Free Software Foundation; either version 3 of the
-# License, or (at your option) any later version.
-#
-# This file is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-# Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
-# SPDX-License-Identifier: LGPL-3.0-or-later
-
-from .common import *
-from .contexts import ScopeCtx, ValueTypeCtx
-from .gobject_object import Object, validate_parent_type
-from .values import Value
-
-
-class AdwBreakpointCondition(AstNode):
-    grammar = [
-        UseExact("kw", "condition"),
-        "(",
-        UseQuoted("condition"),
-        Match(")").expected(),
-    ]
-
-    @property
-    def condition(self) -> str:
-        return self.tokens["condition"]
-
-    @property
-    def document_symbol(self) -> DocumentSymbol:
-        return DocumentSymbol(
-            "condition",
-            SymbolKind.Property,
-            self.range,
-            self.group.tokens["kw"].range,
-            self.condition,
-        )
-
-    @docs("kw")
-    def keyword_docs(self):
-        klass = self.root.gir.get_type("Breakpoint", "Adw")
-        if klass is None:
-            return None
-        prop = klass.properties.get("condition")
-        assert isinstance(prop, gir.Property)
-        return prop.doc
-
-    @validate()
-    def unique(self):
-        self.validate_unique_in_parent("Duplicate condition statement")
-
-
-class AdwBreakpointSetter(AstNode):
-    grammar = Statement(
-        UseIdent("object"),
-        Match(".").expected(),
-        UseIdent("property"),
-        Match(":").expected(),
-        Value,
-    )
-
-    @property
-    def object_id(self) -> str:
-        return self.tokens["object"]
-
-    @property
-    def object(self) -> T.Optional[Object]:
-        return self.context[ScopeCtx].objects.get(self.object_id)
-
-    @property
-    def property_name(self) -> T.Optional[str]:
-        return self.tokens["property"]
-
-    @property
-    def value(self) -> T.Optional[Value]:
-        return self.children[Value][0] if len(self.children[Value]) > 0 else None
-
-    @property
-    def gir_class(self) -> T.Optional[GirType]:
-        if self.object is not None:
-            return self.object.gir_class
-        else:
-            return None
-
-    @property
-    def gir_property(self) -> T.Optional[gir.Property]:
-        if (
-            self.gir_class is not None
-            and not isinstance(self.gir_class, ExternType)
-            and self.property_name is not None
-        ):
-            assert isinstance(self.gir_class, gir.Class) or isinstance(
-                self.gir_class, gir.TemplateType
-            )
-            return self.gir_class.properties.get(self.property_name)
-        else:
-            return None
-
-    @property
-    def document_symbol(self) -> T.Optional[DocumentSymbol]:
-        if self.value is None:
-            return None
-
-        return DocumentSymbol(
-            f"{self.object_id}.{self.property_name}",
-            SymbolKind.Property,
-            self.range,
-            self.group.tokens["object"].range,
-            self.value.range.text,
-        )
-
-    def get_reference(self, idx: int) -> T.Optional[LocationLink]:
-        if idx in self.group.tokens["object"].range:
-            if self.object is not None:
-                return LocationLink(
-                    self.group.tokens["object"].range,
-                    self.object.range,
-                    self.object.ranges["id"],
-                )
-
-        return None
-
-    @context(ValueTypeCtx)
-    def value_type(self) -> ValueTypeCtx:
-        if self.gir_property is not None:
-            type = self.gir_property.type
-        else:
-            type = None
-
-        return ValueTypeCtx(type, allow_null=True)
-
-    @docs("object")
-    def object_docs(self):
-        if self.object is not None:
-            return f"```\n{self.object.signature}\n```"
-        else:
-            return None
-
-    @docs("property")
-    def property_docs(self):
-        if self.gir_property is not None:
-            return self.gir_property.doc
-        else:
-            return None
-
-    @validate("object")
-    def object_exists(self):
-        if self.object is None:
-            raise CompileError(
-                f"Could not find object with ID {self.object_id}",
-                did_you_mean=(self.object_id, self.context[ScopeCtx].objects.keys()),
-            )
-
-    @validate("property")
-    def property_exists(self):
-        if self.gir_class is None or self.gir_class.incomplete:
-            # Objects that we have no gir data on should not be validated
-            # This happens for classes defined by the app itself
-            return
-
-        if self.gir_property is None and self.property_name is not None:
-            raise CompileError(
-                f"Class {self.gir_class.full_name} does not have a property called {self.property_name}",
-                did_you_mean=(self.property_name, self.gir_class.properties.keys()),
-            )
-
-    @validate()
-    def unique(self):
-        self.validate_unique_in_parent(
-            f"Duplicate setter for {self.object_id}.{self.property_name}",
-            lambda x: x.object_id == self.object_id
-            and x.property_name == self.property_name,
-        )
-
-
-class AdwBreakpointSetters(AstNode):
-    grammar = [
-        Keyword("setters"),
-        Match("{").expected(),
-        Until(AdwBreakpointSetter, "}"),
-    ]
-
-    @property
-    def setters(self) -> T.List[AdwBreakpointSetter]:
-        return self.children[AdwBreakpointSetter]
-
-    @property
-    def document_symbol(self) -> DocumentSymbol:
-        return DocumentSymbol(
-            "setters",
-            SymbolKind.Struct,
-            self.range,
-            self.group.tokens["setters"].range,
-        )
-
-    @validate()
-    def container_is_breakpoint(self):
-        validate_parent_type(self, "Adw", "Breakpoint", "breakpoint setters")
-
-    @validate()
-    def unique(self):
-        self.validate_unique_in_parent("Duplicate setters block")
-
-    @docs("setters")
-    def ref_docs(self):
-        return get_docs_section("Syntax ExtAdwBreakpoint")
-
-
-@decompiler("condition", cdata=True)
-def decompile_condition(ctx: DecompileCtx, gir, cdata):
-    ctx.print(f"condition({escape_quote(cdata)})")
-
-
-@decompiler("setter", element=True)
-def decompile_setter(ctx: DecompileCtx, gir, element):
-    assert ctx.parent_node is not None
-    # only run for the first setter
-    for child in ctx.parent_node.children:
-        if child.tag == "setter":
-            if child != element:
-                # already decompiled
-                return
-            else:
-                break
-
-    ctx.print("setters {")
-    for child in ctx.parent_node.children:
-        if child.tag == "setter":
-            object_id = child["object"]
-            property_name = child["property"]
-            obj = ctx.find_object(object_id)
-            if obj is not None:
-                gir_class = ctx.type_by_cname(obj["class"])
-            else:
-                gir_class = None
-
-            if object_id == ctx.template_class:
-                object_id = "template"
-
-            comments, string = ctx.decompile_value(
-                child.cdata,
-                gir_class,
-                (child["translatable"], child["context"], child["comments"]),
-            )
-            ctx.print(f"{comments} {object_id}.{property_name}: {string};")

blueprintcompiler/language/adw_response_dialog.py

@@ -1,192 +0,0 @@
-# adw_response_dialog.py
-#
-# Copyright 2023 James Westman <james@jwestman.net>
-#
-# This file is free software; you can redistribute it and/or modify it
-# under the terms of the GNU Lesser General Public License as
-# published by the Free Software Foundation; either version 3 of the
-# License, or (at your option) any later version.
-#
-# This file is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-# Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
-# SPDX-License-Identifier: LGPL-3.0-or-later
-
-
-from ..decompiler import decompile_translatable, truthy
-from .common import *
-from .gobject_object import ObjectContent, validate_parent_type
-from .values import StringValue
-
-
-class ExtAdwResponseDialogFlag(AstNode):
-    grammar = AnyOf(
-        UseExact("flag", "destructive"),
-        UseExact("flag", "suggested"),
-        UseExact("flag", "disabled"),
-    )
-
-    @property
-    def flag(self) -> str:
-        return self.tokens["flag"]
-
-    @validate()
-    def unique(self):
-        self.validate_unique_in_parent(
-            f"Duplicate '{self.flag}' flag", check=lambda child: child.flag == self.flag
-        )
-
-    @validate()
-    def exclusive(self):
-        if self.flag in ["destructive", "suggested"]:
-            self.validate_unique_in_parent(
-                "'suggested' and 'destructive' are exclusive",
-                check=lambda child: child.flag in ["destructive", "suggested"],
-            )
-
-
-class ExtAdwResponseDialogResponse(AstNode):
-    grammar = [
-        UseIdent("id"),
-        Match(":").expected(),
-        to_parse_node(StringValue).expected("a string or translatable string"),
-        ZeroOrMore(ExtAdwResponseDialogFlag),
-    ]
-
-    @property
-    def id(self) -> str:
-        return self.tokens["id"]
-
-    @property
-    def flags(self) -> T.List[ExtAdwResponseDialogFlag]:
-        return self.children[ExtAdwResponseDialogFlag]
-
-    @property
-    def appearance(self) -> T.Optional[str]:
-        if any(flag.flag == "destructive" for flag in self.flags):
-            return "destructive"
-        elif any(flag.flag == "suggested" for flag in self.flags):
-            return "suggested"
-        else:
-            return None
-
-    @property
-    def enabled(self) -> bool:
-        return not any(flag.flag == "disabled" for flag in self.flags)
-
-    @property
-    def value(self) -> StringValue:
-        return self.children[0]
-
-    @property
-    def document_symbol(self) -> DocumentSymbol:
-        return DocumentSymbol(
-            self.id,
-            SymbolKind.Field,
-            self.range,
-            self.group.tokens["id"].range,
-            self.value.range.text,
-        )
-
-    @validate("id")
-    def unique_in_parent(self):
-        self.validate_unique_in_parent(
-            f"Duplicate response ID '{self.id}'",
-            check=lambda child: child.id == self.id,
-        )
-
-
-class ExtAdwResponseDialog(AstNode):
-    grammar = [
-        Keyword("responses"),
-        Match("[").expected(),
-        Delimited(ExtAdwResponseDialogResponse, ","),
-        "]",
-    ]
-
-    @property
-    def responses(self) -> T.List[ExtAdwResponseDialogResponse]:
-        return self.children
-
-    @property
-    def document_symbol(self) -> DocumentSymbol:
-        return DocumentSymbol(
-            "responses",
-            SymbolKind.Array,
-            self.range,
-            self.group.tokens["responses"].range,
-        )
-
-    @validate("responses")
-    def container_is_message_dialog_or_alert_dialog(self):
-        try:
-            validate_parent_type(self, "Adw", "MessageDialog", "responses")
-        except:
-            validate_parent_type(self, "Adw", "AlertDialog", "responses")
-
-    @validate("responses")
-    def unique_in_parent(self):
-        self.validate_unique_in_parent("Duplicate responses block")
-
-    @docs()
-    def ref_docs(self):
-        return get_docs_section("Syntax ExtAdwMessageDialog")
-
-
-@completer(
-    applies_in=[ObjectContent],
-    applies_in_subclass=("Adw", "MessageDialog"),
-    matches=new_statement_patterns,
-)
-def complete_adw_message_dialog(lsp, ast_node, match_variables):
-    yield Completion(
-        "responses", CompletionItemKind.Keyword, snippet="responses [\n\t$0\n]"
-    )
-
-
-@completer(
-    applies_in=[ObjectContent],
-    applies_in_subclass=("Adw", "AlertDialog"),
-    matches=new_statement_patterns,
-)
-def complete_adw_alert_dialog(lsp, ast_node, match_variables):
-    yield Completion(
-        "responses", CompletionItemKind.Keyword, snippet="responses [\n\t$0\n]"
-    )
-
-
-@decompiler("responses")
-def decompile_responses(ctx, gir):
-    ctx.print(f"responses [")
-
-
-@decompiler("response", cdata=True)
-def decompile_response(
-    ctx,
-    gir,
-    cdata,
-    id,
-    appearance=None,
-    enabled=None,
-    translatable=None,
-    context=None,
-    comments=None,
-):
-    comments, translated = decompile_translatable(
-        cdata, translatable, context, comments
-    )
-    if comments is not None:
-        ctx.print(comments)
-
-    flags = ""
-    if appearance is not None:
-        flags += f" {appearance}"
-    if enabled is not None and not truthy(enabled):
-        flags += " disabled"
-
-    ctx.print(f"{id}: {translated}{flags},")

blueprintcompiler/language/attributes.py

@@ -0,0 +1,49 @@
+# attributes.py
+#
+# Copyright 2022 James Westman <james@jwestman.net>
+#
+# This file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as
+# published by the Free Software Foundation; either version 3 of the
+# License, or (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# SPDX-License-Identifier: LGPL-3.0-or-later
+
+
+from .values import Value, TranslatedStringValue
+from .common import *
+
+
+class BaseAttribute(AstNode):
+    """ A helper class for attribute syntax of the form `name: literal_value;`"""
+
+    tag_name: str = ""
+    attr_name: str = "name"
+
+    @property
+    def name(self):
+        return self.tokens["name"]
+
+    def emit_xml(self, xml: XmlEmitter):
+        value = self.children[Value][0]
+        attrs = { self.attr_name: self.name }
+
+        if isinstance(value, TranslatedStringValue):
+            attrs = { **attrs, **value.attrs }
+
+        xml.start_tag(self.tag_name, **attrs)
+        value.emit_xml(xml)
+        xml.end_tag()
+
+
+class BaseTypedAttribute(BaseAttribute):
+    """ A BaseAttribute whose parent has a value_type property that can assist
+    in validation. """

blueprintcompiler/language/binding.py

@@ -1,123 +0,0 @@
-# binding.py
-#
-# Copyright 2023 James Westman <james@jwestman.net>
-#
-# This file is free software; you can redistribute it and/or modify it
-# under the terms of the GNU Lesser General Public License as
-# published by the Free Software Foundation; either version 3 of the
-# License, or (at your option) any later version.
-#
-# This file is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-# Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
-# SPDX-License-Identifier: LGPL-3.0-or-later
-
-from dataclasses import dataclass
-
-from .common import *
-from .expression import Expression, LiteralExpr, LookupOp
-
-
-class BindingFlag(AstNode):
-    grammar = [
-        AnyOf(
-            UseExact("flag", "inverted"),
-            UseExact("flag", "bidirectional"),
-            UseExact("flag", "no-sync-create"),
-            UseExact("flag", "sync-create"),
-        )
-    ]
-
-    @property
-    def flag(self) -> str:
-        return self.tokens["flag"]
-
-    @validate()
-    def sync_create(self):
-        if self.flag == "sync-create":
-            raise UpgradeWarning(
-                "'sync-create' is now the default. Use 'no-sync-create' if this is not wanted.",
-                actions=[CodeAction("remove 'sync-create'", "")],
-            )
-
-    @validate()
-    def unique(self):
-        self.validate_unique_in_parent(
-            f"Duplicate flag '{self.flag}'", lambda x: x.flag == self.flag
-        )
-
-    @validate()
-    def flags_only_if_simple(self):
-        if self.parent.simple_binding is None:
-            raise CompileError(
-                "Only bindings with a single lookup can have flags",
-            )
-
-    @docs()
-    def ref_docs(self):
-        return get_docs_section("Syntax Binding")
-
-
-class Binding(AstNode):
-    grammar = [
-        AnyOf(Keyword("bind"), UseExact("bind", "bind-property")),
-        Expression,
-        ZeroOrMore(BindingFlag),
-    ]
-
-    @property
-    def expression(self) -> Expression:
-        return self.children[Expression][0]
-
-    @property
-    def flags(self) -> T.List[BindingFlag]:
-        return self.children[BindingFlag]
-
-    @property
-    def simple_binding(self) -> T.Optional["SimpleBinding"]:
-        if isinstance(self.expression.last, LookupOp):
-            if isinstance(self.expression.last.lhs, LiteralExpr):
-                from .values import IdentLiteral
-
-                if isinstance(self.expression.last.lhs.literal.value, IdentLiteral):
-                    flags = [x.flag for x in self.flags]
-                    return SimpleBinding(
-                        self.expression.last.lhs.literal.value.ident,
-                        self.expression.last.property_name,
-                        no_sync_create="no-sync-create" in flags,
-                        bidirectional="bidirectional" in flags,
-                        inverted="inverted" in flags,
-                    )
-        return None
-
-    @validate("bind")
-    def bind_property(self):
-        if self.tokens["bind"] == "bind-property":
-            raise UpgradeWarning(
-                "'bind-property' is no longer needed. Use 'bind' instead. (blueprint 0.8.2)",
-                actions=[CodeAction("use 'bind'", "bind")],
-            )
-
-    @docs("bind")
-    def ref_docs(self):
-        return get_docs_section("Syntax Binding")
-
-
-@dataclass
-class SimpleBinding:
-    source: str
-    property_name: str
-    no_sync_create: bool = False
-    bidirectional: bool = False
-    inverted: bool = False
-
-
-@decompiler("binding")
-def decompile_binding(ctx: DecompileCtx, gir: gir.GirContext, name: str):
-    ctx.end_block_with(";")
-    ctx.print(f"{name}: bind ")

blueprintcompiler/language/common.py

@@ -18,46 +18,19 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
 
-from .. import decompiler as decompile
 from .. import gir
-from ..ast_utils import AstNode, context, docs, validate
+from ..ast_utils import AstNode, validate, docs
+from ..errors import CompileError, MultipleErrors
 from ..completions_utils import *
-from ..decompiler import (
+from .. import decompiler as decompile
-    DecompileCtx,
+from ..decompiler import DecompileCtx, decompiler
-    decompile_translatable,
+from ..gir import StringType, BoolType, IntType, FloatType, GirType, Enumeration
-    decompiler,
+from ..lsp_utils import Completion, CompletionItemKind, SemanticToken, SemanticTokenType
-    escape_quote,
-    truthy,
-)
-from ..errors import (
-    CodeAction,
-    CompileError,
-    CompileWarning,
-    DeprecatedWarning,
-    MultipleErrors,
-    UnusedWarning,
-    UpgradeWarning,
-)
-from ..gir import (
-    BoolType,
-    Enumeration,
-    ExternType,
-    FloatType,
-    GirType,
-    IntType,
-    StringType,
-)
-from ..lsp_utils import (
-    Completion,
-    CompletionItemKind,
-    DocumentSymbol,
-    LocationLink,
-    SemanticToken,
-    SemanticTokenType,
-    SymbolKind,
-    get_docs_section,
-)
 from ..parse_tree import *
+from ..parser_utils import *
+from ..xml_emitter import XmlEmitter
 
+
+OBJECT_HOOKS = AnyOf()
 OBJECT_CONTENT_HOOKS = AnyOf()
-LITERAL = AnyOf()
+VALUE_HOOKS = AnyOf()

blueprintcompiler/language/contexts.py

@@ -1,87 +0,0 @@
-# contexts.py
-#
-# Copyright 2023 James Westman <james@jwestman.net>
-#
-# This file is free software; you can redistribute it and/or modify it
-# under the terms of the GNU Lesser General Public License as
-# published by the Free Software Foundation; either version 3 of the
-# License, or (at your option) any later version.
-#
-# This file is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-# Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
-# SPDX-License-Identifier: LGPL-3.0-or-later
-
-import typing as T
-from dataclasses import dataclass
-from functools import cached_property
-
-from .common import *
-from .gobject_object import Object
-from .gtkbuilder_template import Template
-
-
-@dataclass
-class ValueTypeCtx:
-    value_type: T.Optional[GirType]
-    allow_null: bool = False
-    must_infer_type: bool = False
-
-
-@dataclass
-class ScopeCtx:
-    node: AstNode
-
-    @cached_property
-    def template(self):
-        from .gtk_list_item_factory import ExtListItemFactory
-        from .ui import UI
-
-        if isinstance(self.node, UI):
-            return self.node.template
-        elif isinstance(self.node, ExtListItemFactory):
-            return self.node
-
-    @cached_property
-    def objects(self) -> T.Dict[str, Object]:
-        return {
-            obj.tokens["id"]: obj
-            for obj in self._iter_recursive(self.node)
-            if obj.tokens["id"] is not None
-        }
-
-    def validate_unique_ids(self) -> None:
-        from .gtk_list_item_factory import ExtListItemFactory
-
-        passed = {}
-        for obj in self._iter_recursive(self.node):
-            if obj.tokens["id"] is None:
-                continue
-
-            if obj.tokens["id"] in passed:
-                token = obj.group.tokens["id"]
-                if not isinstance(obj, Template) and not isinstance(
-                    obj, ExtListItemFactory
-                ):
-                    raise CompileError(
-                        f"Duplicate object ID '{obj.tokens['id']}'",
-                        token.range,
-                    )
-            passed[obj.tokens["id"]] = obj
-
-    def _iter_recursive(self, node: AstNode):
-        yield node
-        for child in node.children:
-            if child.context[ScopeCtx] is self:
-                yield from self._iter_recursive(child)
-
-
-@dataclass
-class ExprValueCtx:
-    """Indicates that the context is an expression literal, where the
-    "item" keyword may be used."""

blueprintcompiler/language/expression.py

@@ -1,384 +0,0 @@
-# expressions.py
-#
-# Copyright 2022 James Westman <james@jwestman.net>
-#
-# This file is free software; you can redistribute it and/or modify it
-# under the terms of the GNU Lesser General Public License as
-# published by the Free Software Foundation; either version 3 of the
-# License, or (at your option) any later version.
-#
-# This file is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-# Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
-# SPDX-License-Identifier: LGPL-3.0-or-later
-
-
-from ..decompiler import decompile_element
-from .common import *
-from .contexts import ScopeCtx, ValueTypeCtx
-from .types import TypeName
-
-expr = Sequence()
-
-
-class ExprBase(AstNode):
-    @context(ValueTypeCtx)
-    def value_type(self) -> ValueTypeCtx:
-        if rhs := self.rhs:
-            return rhs.context[ValueTypeCtx]
-        else:
-            return self.parent.context[ValueTypeCtx]
-
-    @property
-    def type(self) -> T.Optional[GirType]:
-        raise NotImplementedError()
-
-    @property
-    def rhs(self) -> T.Optional["ExprBase"]:
-        if isinstance(self.parent, Expression):
-            children = list(self.parent.children)
-            if children.index(self) + 1 < len(children):
-                return children[children.index(self) + 1]
-            else:
-                return self.parent.rhs
-        else:
-            return None
-
-
-class Expression(ExprBase):
-    grammar = expr
-
-    @property
-    def last(self) -> ExprBase:
-        return self.children[-1]
-
-    @property
-    def type(self) -> T.Optional[GirType]:
-        return self.last.type
-
-
-class InfixExpr(ExprBase):
-    @property
-    def lhs(self):
-        children = list(self.parent_by_type(Expression).children)
-        return children[children.index(self) - 1]
-
-
-class LiteralExpr(ExprBase):
-    grammar = LITERAL
-
-    @property
-    def is_object(self) -> bool:
-        from .values import IdentLiteral
-
-        return isinstance(self.literal.value, IdentLiteral) and (
-            self.literal.value.ident in self.context[ScopeCtx].objects
-            or self.root.is_legacy_template(self.literal.value.ident)
-        )
-
-    @property
-    def is_this(self) -> bool:
-        from .values import IdentLiteral
-
-        return (
-            not self.is_object
-            and isinstance(self.literal.value, IdentLiteral)
-            and self.literal.value.ident == "item"
-        )
-
-    @property
-    def literal(self):
-        from .values import Literal
-
-        return self.children[Literal][0]
-
-    @property
-    def type(self) -> T.Optional[GirType]:
-        return self.literal.value.type
-
-    @validate()
-    def item_validations(self):
-        if self.is_this:
-            if not isinstance(self.rhs, CastExpr):
-                raise CompileError('"item" must be cast to its object type')
-
-            if not isinstance(self.rhs.rhs, LookupOp):
-                raise CompileError('"item" can only be used for looking up properties')
-
-
-class LookupOp(InfixExpr):
-    grammar = [".", UseIdent("property")]
-
-    @context(ValueTypeCtx)
-    def value_type(self) -> ValueTypeCtx:
-        return ValueTypeCtx(None, must_infer_type=True)
-
-    @property
-    def property_name(self) -> str:
-        return self.tokens["property"]
-
-    @property
-    def type(self) -> T.Optional[GirType]:
-        if isinstance(self.lhs.type, gir.Class) or isinstance(
-            self.lhs.type, gir.Interface
-        ):
-            if property := self.lhs.type.properties.get(self.property_name):
-                return property.type
-
-        return None
-
-    @docs("property")
-    def property_docs(self):
-        if not (
-            isinstance(self.lhs.type, gir.Class)
-            or isinstance(self.lhs.type, gir.Interface)
-        ):
-            return None
-
-        if property := self.lhs.type.properties.get(self.property_name):
-            return property.doc
-
-    @validate("property")
-    def property_exists(self):
-        if self.lhs.type is None:
-            # Literal values throw their own errors if the type isn't known
-            if isinstance(self.lhs, LiteralExpr):
-                return
-
-            raise CompileError(
-                f"Could not determine the type of the preceding expression",
-                hints=[
-                    f"add a type cast so blueprint knows which type the property {self.property_name} belongs to"
-                ],
-            )
-
-        if self.lhs.type.incomplete:
-            return
-
-        elif not isinstance(self.lhs.type, gir.Class) and not isinstance(
-            self.lhs.type, gir.Interface
-        ):
-            raise CompileError(
-                f"Type {self.lhs.type.full_name} does not have properties"
-            )
-
-        elif self.lhs.type.properties.get(self.property_name) is None:
-            raise CompileError(
-                f"{self.lhs.type.full_name} does not have a property called {self.property_name}",
-                did_you_mean=(self.property_name, self.lhs.type.properties.keys()),
-            )
-
-    @validate("property")
-    def property_deprecated(self):
-        if self.lhs.type is None or not (
-            isinstance(self.lhs.type, gir.Class)
-            or isinstance(self.lhs.type, gir.Interface)
-        ):
-            return
-
-        if property := self.lhs.type.properties.get(self.property_name):
-            if property.deprecated:
-                hints = []
-                if property.deprecated_doc:
-                    hints.append(property.deprecated_doc)
-                raise DeprecatedWarning(
-                    f"{property.signature} is deprecated",
-                    hints=hints,
-                )
-
-
-class CastExpr(InfixExpr):
-    grammar = [
-        Keyword("as"),
-        AnyOf(
-            ["<", TypeName, Match(">").expected()],
-            [
-                UseExact("lparen", "("),
-                TypeName,
-                UseExact("rparen", ")").expected("')'"),
-            ],
-        ),
-    ]
-
-    @context(ValueTypeCtx)
-    def value_type(self):
-        return ValueTypeCtx(self.type)
-
-    @property
-    def type(self) -> T.Optional[GirType]:
-        return self.children[TypeName][0].gir_type
-
-    @validate()
-    def cast_makes_sense(self):
-        if self.type is None or self.lhs.type is None:
-            return
-
-        if not self.type.assignable_to(self.lhs.type):
-            raise CompileError(
-                f"Invalid cast. No instance of {self.lhs.type.full_name} can be an instance of {self.type.full_name}."
-            )
-
-    @validate("lparen", "rparen")
-    def upgrade_to_angle_brackets(self):
-        if self.tokens["lparen"]:
-            raise UpgradeWarning(
-                "Use angle bracket syntax introduced in blueprint 0.8.0",
-                actions=[
-                    CodeAction(
-                        "Use <> instead of ()",
-                        f"<{self.children[TypeName][0].as_string}>",
-                    )
-                ],
-            )
-
-    @docs("as")
-    def ref_docs(self):
-        return get_docs_section("Syntax CastExpression")
-
-
-class ClosureArg(AstNode):
-    grammar = Expression
-
-    @property
-    def expr(self) -> Expression:
-        return self.children[Expression][0]
-
-    @context(ValueTypeCtx)
-    def value_type(self) -> ValueTypeCtx:
-        return ValueTypeCtx(None)
-
-
-class ClosureExpr(ExprBase):
-    grammar = [
-        Optional(["$", UseLiteral("extern", True)]),
-        UseIdent("name"),
-        "(",
-        Delimited(ClosureArg, ","),
-        ")",
-    ]
-
-    @property
-    def type(self) -> T.Optional[GirType]:
-        if isinstance(self.rhs, CastExpr):
-            return self.rhs.type
-        else:
-            return None
-
-    @property
-    def closure_name(self) -> str:
-        return self.tokens["name"]
-
-    @property
-    def args(self) -> T.List[ClosureArg]:
-        return self.children[ClosureArg]
-
-    @validate()
-    def cast_to_return_type(self):
-        if not isinstance(self.rhs, CastExpr):
-            raise CompileError(
-                "Closure expression must be cast to the closure's return type"
-            )
-
-    @validate()
-    def builtin_exists(self):
-        if not self.tokens["extern"]:
-            raise CompileError(f"{self.closure_name} is not a builtin function")
-
-    @docs("name")
-    def ref_docs(self):
-        return get_docs_section("Syntax ClosureExpression")
-
-
-expr.children = [
-    AnyOf(ClosureExpr, LiteralExpr, ["(", Expression, ")"]),
-    ZeroOrMore(AnyOf(LookupOp, CastExpr)),
-]
-
-
-@decompiler("lookup", skip_children=True, cdata=True)
-def decompile_lookup(
-    ctx: DecompileCtx,
-    gir: gir.GirContext,
-    cdata: str,
-    name: str,
-    type: T.Optional[str] = None,
-):
-    if ctx.parent_node is not None and ctx.parent_node.tag == "property":
-        ctx.print("expr ")
-
-    if type is None:
-        type = ""
-    elif t := ctx.type_by_cname(type):
-        type = decompile.full_name(t)
-    else:
-        type = "$" + type
-
-    assert ctx.current_node is not None
-
-    constant = None
-    if len(ctx.current_node.children) == 0:
-        constant = cdata
-    elif (
-        len(ctx.current_node.children) == 1
-        and ctx.current_node.children[0].tag == "constant"
-    ):
-        constant = ctx.current_node.children[0].cdata
-
-    if constant is not None:
-        if constant == ctx.template_class:
-            ctx.print("template." + name)
-        elif constant == "":
-            ctx.print(f"item as <{type}>.{name}")
-        else:
-            ctx.print(constant + "." + name)
-        return
-    else:
-        for child in ctx.current_node.children:
-            decompile.decompile_element(ctx, gir, child)
-
-    ctx.print(f" as <{type}>.{name}")
-
-
-@decompiler("constant", cdata=True)
-def decompile_constant(
-    ctx: DecompileCtx, gir: gir.GirContext, cdata: str, type: T.Optional[str] = None
-):
-    if ctx.parent_node is not None and ctx.parent_node.tag == "property":
-        ctx.print("expr ")
-
-    if type is None:
-        if cdata == ctx.template_class:
-            ctx.print("template")
-        else:
-            ctx.print(cdata)
-    else:
-        _, string = ctx.decompile_value(cdata, ctx.type_by_cname(type))
-        ctx.print(string)
-
-
-@decompiler("closure", skip_children=True)
-def decompile_closure(ctx: DecompileCtx, gir: gir.GirContext, function: str, type: str):
-    if ctx.parent_node is not None and ctx.parent_node.tag == "property":
-        ctx.print("expr ")
-
-    if t := ctx.type_by_cname(type):
-        type = decompile.full_name(t)
-    else:
-        type = "$" + type
-
-    ctx.print(f"${function}(")
-
-    assert ctx.current_node is not None
-    for i, node in enumerate(ctx.current_node.children):
-        decompile_element(ctx, gir, node)
-
-        assert ctx.current_node is not None
-        if i < len(ctx.current_node.children) - 1:
-            ctx.print(", ")
-
-    ctx.end_block_with(f") as <{type}>")

blueprintcompiler/language/gobject_object.py

@@ -21,25 +21,8 @@
 import typing as T
 from functools import cached_property
 
-from blueprintcompiler.errors import T
-from blueprintcompiler.lsp_utils import DocumentSymbol
-
 from .common import *
-from .response_id import ExtResponse
+from .response_id import ResponseId
-from .types import ClassName, ConcreteClassName
-
-RESERVED_IDS = {
-    "this",
-    "self",
-    "template",
-    "true",
-    "false",
-    "null",
-    "none",
-    "item",
-    "expr",
-    "typeof",
-}
 
 
 class ObjectContent(AstNode):
@@ -49,53 +32,59 @@ class ObjectContent(AstNode):
     def gir_class(self):
         return self.parent.gir_class
 
+    def emit_xml(self, xml: XmlEmitter):
+        for x in self.children:
+            x.emit_xml(xml)
 
 class Object(AstNode):
     grammar: T.Any = [
-        ConcreteClassName,
+        class_name,
         Optional(UseIdent("id")),
         ObjectContent,
     ]
 
-    @property
+    @validate("namespace")
-    def id(self) -> str:
+    def gir_ns_exists(self):
-        return self.tokens["id"]
+        if not self.tokens["ignore_gir"]:
+            self.root.gir.validate_ns(self.tokens["namespace"])
+
+    @validate("class_name")
+    def gir_class_exists(self):
+        if self.tokens["class_name"] and not self.tokens["ignore_gir"] and self.gir_ns is not None:
+            self.root.gir.validate_class(self.tokens["class_name"], self.tokens["namespace"])
+
+    @validate("namespace", "class_name")
+    def not_abstract(self):
+        if self.gir_class is not None and self.gir_class.abstract:
+            raise CompileError(
+                f"{self.gir_class.full_name} can't be instantiated because it's abstract",
+                hints=[f"did you mean to use a subclass of {self.gir_class.full_name}?"]
+            )
 
     @property
-    def class_name(self) -> ClassName:
+    def gir_ns(self):
-        return self.children[ClassName][0]
+        if not self.tokens["ignore_gir"]:
+            return self.root.gir.namespaces.get(self.tokens["namespace"] or "Gtk")
 
     @property
-    def content(self) -> ObjectContent:
+    def gir_class(self):
-        return self.children[ObjectContent][0]
+        if self.tokens["class_name"] and not self.tokens["ignore_gir"]:
+            return self.root.gir.get_class(self.tokens["class_name"], self.tokens["namespace"])
 
-    @property
-    def signature(self) -> str:
-        if self.id:
-            return f"{self.class_name.gir_type.full_name} {self.id}"
-        elif t := self.class_name.gir_type:
-            return f"{t.full_name}"
-        else:
-            return f"{self.class_name.as_string}"
 
-    @property
+    @docs("namespace")
-    def document_symbol(self) -> T.Optional[DocumentSymbol]:
+    def namespace_docs(self):
-        return DocumentSymbol(
+        if ns := self.root.gir.namespaces.get(self.tokens["namespace"]):
-            self.class_name.as_string,
+            return ns.doc
-            SymbolKind.Object,
-            self.range,
-            self.children[ClassName][0].range,
-            self.id,
-        )
 
-    @property
+
-    def gir_class(self) -> GirType:
+    @docs("class_name")
-        if self.class_name is None:
+    def class_docs(self):
-            raise CompilerBugError()
+        if self.gir_class:
-        return self.class_name.gir_type
+            return self.gir_class.doc
 
     @cached_property
-    def action_widgets(self) -> T.List[ExtResponse]:
+    def action_widgets(self) -> T.List[ResponseId]:
         """Get list of widget's action widgets.
 
         Empty if object doesn't have action widgets.
@@ -104,36 +93,44 @@ class Object(AstNode):
 
         return [
             child.response_id
-            for child in self.content.children[Child]
+            for child in self.children[ObjectContent][0].children[Child]
             if child.response_id
         ]
 
-    @validate("id")
+    def emit_xml(self, xml: XmlEmitter):
-    def object_id_not_reserved(self):
+        from .gtkbuilder_child import Child
-        from .gtkbuilder_template import Template
 
-        if not isinstance(self, Template) and self.id in RESERVED_IDS:
+        xml.start_tag("object", **{
-            raise CompileWarning(f"{self.id} may be a confusing object ID")
+            "class": self.gir_class or self.tokens["class_name"],
+            "id": self.tokens["id"],
+        })
+        for child in self.children:
+            child.emit_xml(xml)
+
+        # List action widgets
+        action_widgets = self.action_widgets
+        if action_widgets:
+            xml.start_tag("action-widgets")
+            for action_widget in action_widgets:
+                action_widget.emit_action_widget(xml)
+            xml.end_tag()
+
+        xml.end_tag()
 
 
 def validate_parent_type(node, ns: str, name: str, err_msg: str):
     parent = node.root.gir.get_type(name, ns)
     container_type = node.parent_by_type(Object).gir_class
     if container_type and not container_type.assignable_to(parent):
-        raise CompileError(
+        raise CompileError(f"{container_type.full_name} is not a {parent.full_name}, so it doesn't have {err_msg}")
-            f"{container_type.full_name} is not a {ns}.{name}, so it doesn't have {err_msg}"
-        )
 
 
 @decompiler("object")
-def decompile_object(ctx: DecompileCtx, gir, klass, id=None):
+def decompile_object(ctx, gir, klass, id=None):
     gir_class = ctx.type_by_cname(klass)
-    klass_name = (
+    klass_name = decompile.full_name(gir_class) if gir_class is not None else "." + klass
-        decompile.full_name(gir_class) if gir_class is not None else "$" + klass
-    )
     if id is None:
         ctx.print(f"{klass_name} {{")
     else:
         ctx.print(f"{klass_name} {id} {{")
-    ctx.push_obj_type(gir_class)
     return gir_class

blueprintcompiler/language/gobject_property.py

@@ -18,83 +18,79 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
 
-from .binding import Binding
+from .gobject_object import Object
+from .gtkbuilder_template import Template
+from .values import Value, TranslatedStringValue
 from .common import *
-from .contexts import ValueTypeCtx
-from .values import ArrayValue, ExprValue, ObjectValue, Value
 
 
 class Property(AstNode):
-    grammar = Statement(
+    grammar = AnyOf(
-        UseIdent("name"), ":", AnyOf(Binding, ExprValue, ObjectValue, Value, ArrayValue)
+        Statement(
+            UseIdent("name"),
+            ":",
+            Keyword("bind"),
+            UseIdent("bind_source").expected("the ID of a source object to bind from"),
+            ".",
+            UseIdent("bind_property").expected("a property name to bind from"),
+            ZeroOrMore(AnyOf(
+                ["no-sync-create", UseLiteral("no_sync_create", True)],
+                ["inverted", UseLiteral("inverted", True)],
+                ["bidirectional", UseLiteral("bidirectional", True)],
+                Match("sync-create").warn("sync-create is deprecated in favor of no-sync-create"),
+            )),
+        ),
+        Statement(
+            UseIdent("name"),
+            ":",
+            AnyOf(
+                OBJECT_HOOKS,
+                VALUE_HOOKS,
+            ).expected("a value"),
+        ),
     )
 
-    @property
-    def name(self) -> str:
-        return self.tokens["name"]
-
-    @property
-    def value(self) -> T.Union[Binding, ExprValue, ObjectValue, Value, ArrayValue]:
-        return self.children[0]
-
     @property
     def gir_class(self):
         return self.parent.parent.gir_class
 
+
     @property
-    def gir_property(self) -> T.Optional[gir.Property]:
+    def gir_property(self):
-        if self.gir_class is not None and not isinstance(self.gir_class, ExternType):
+        if self.gir_class is not None:
             return self.gir_class.properties.get(self.tokens["name"])
-        else:
+
-            return None
 
     @property
-    def document_symbol(self) -> DocumentSymbol:
+    def value_type(self):
-        if isinstance(self.value, ObjectValue) or self.value is None:
-            detail = None
-        else:
-            detail = self.value.range.text
-
-        return DocumentSymbol(
-            self.name,
-            SymbolKind.Property,
-            self.range,
-            self.group.tokens["name"].range,
-            detail,
-        )
-
-    @validate()
-    def binding_valid(self):
-        if (
-            isinstance(self.value, Binding)
-            and self.gir_property is not None
-            and self.gir_property.construct_only
-        ):
-            raise CompileError(
-                f"{self.gir_property.full_name} can't be bound because it is construct-only",
-                hints=["construct-only properties may only be set to a static value"],
-            )
-
-    @context(ValueTypeCtx)
-    def value_type(self) -> ValueTypeCtx:
         if self.gir_property is not None:
-            type = self.gir_property.type
+            return self.gir_property.type
-        else:
-            type = None
 
-        return ValueTypeCtx(type)
 
     @validate("name")
     def property_exists(self):
-        if self.gir_class is None or self.gir_class.incomplete:
+        if self.gir_class is None:
             # Objects that we have no gir data on should not be validated
             # This happens for classes defined by the app itself
             return
 
+        if isinstance(self.parent.parent, Template):
+            # If the property is part of a template, it might be defined by
+            # the application and thus not in gir
+            return
+
         if self.gir_property is None:
             raise CompileError(
-                f"Class {self.gir_class.full_name} does not have a property called {self.tokens['name']}",
+                f"Class {self.gir_class.full_name} does not contain a property called {self.tokens['name']}",
-                did_you_mean=(self.tokens["name"], self.gir_class.properties.keys()),
+                did_you_mean=(self.tokens["name"], self.gir_class.properties.keys())
+            )
+
+    @validate("bind")
+    def property_bindable(self):
+        if self.tokens["bind"] and self.gir_property is not None and self.gir_property.construct_only:
+            raise CompileError(
+                f"{self.gir_property.full_name} can't be bound because it is construct-only",
+                hints=["construct-only properties may only be set to a static value"]
             )
 
     @validate("name")
@@ -102,25 +98,64 @@ class Property(AstNode):
         if self.gir_property is not None and not self.gir_property.writable:
             raise CompileError(f"{self.gir_property.full_name} is not writable")
 
+
+    @validate()
+    def obj_property_type(self):
+        if len(self.children[Object]) == 0:
+            return
+
+        object = self.children[Object][0]
+        type = self.value_type
+        if object and type and object.gir_class and not object.gir_class.assignable_to(type):
+            raise CompileError(
+                f"Cannot assign {object.gir_class.full_name} to {type.full_name}"
+            )
+
+
     @validate("name")
     def unique_in_parent(self):
         self.validate_unique_in_parent(
             f"Duplicate property '{self.tokens['name']}'",
-            check=lambda child: child.tokens["name"] == self.tokens["name"],
+            check=lambda child: child.tokens["name"] == self.tokens["name"]
         )
 
-    @validate("name")
-    def deprecated(self) -> None:
-        if self.gir_property is not None and self.gir_property.deprecated:
-            hints = []
-            if self.gir_property.deprecated_doc:
-                hints.append(self.gir_property.deprecated_doc)
-            raise DeprecatedWarning(
-                f"{self.gir_property.signature} is deprecated",
-                hints=hints,
-            )
 
     @docs("name")
     def property_docs(self):
         if self.gir_property is not None:
             return self.gir_property.doc
+
+
+    def emit_xml(self, xml: XmlEmitter):
+        values = self.children[Value]
+        value = values[0] if len(values) == 1 else None
+
+        bind_flags = []
+        if self.tokens["bind_source"] and not self.tokens["no_sync_create"]:
+            bind_flags.append("sync-create")
+        if self.tokens["inverted"]:
+            bind_flags.append("invert-boolean")
+        if self.tokens["bidirectional"]:
+            bind_flags.append("bidirectional")
+        bind_flags_str = "|".join(bind_flags) or None
+
+        props = {
+            "name": self.tokens["name"],
+            "bind-source": self.tokens["bind_source"],
+            "bind-property": self.tokens["bind_property"],
+            "bind-flags": bind_flags_str,
+        }
+
+        if isinstance(value, TranslatedStringValue):
+            props = { **props, **value.attrs }
+
+        if len(self.children[Object]) == 1:
+            xml.start_tag("property", **props)
+            self.children[Object][0].emit_xml(xml)
+            xml.end_tag()
+        elif value is None:
+            xml.put_self_closing("property", **props)
+        else:
+            xml.start_tag("property", **props)
+            value.emit_xml(xml)
+            xml.end_tag()

blueprintcompiler/language/gobject_signal.py

@@ -17,233 +17,97 @@
 #
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
-import typing as T
 
-from .common import *
-from .contexts import ScopeCtx
 from .gtkbuilder_template import Template
-
+from .common import *
-
-class SignalFlag(AstNode):
-    grammar = AnyOf(
-        UseExact("flag", "swapped"),
-        UseExact("flag", "not-swapped"),
-        UseExact("flag", "after"),
-    )
-
-    @property
-    def flag(self) -> str:
-        return self.tokens["flag"]
-
-    @validate()
-    def unique(self):
-        self.validate_unique_in_parent(
-            f"Duplicate flag '{self.flag}'", lambda x: x.flag == self.flag
-        )
-
-    @validate()
-    def swapped_exclusive(self):
-        if self.flag in ["swapped", "not-swapped"]:
-            self.validate_unique_in_parent(
-                "'swapped' and 'not-swapped' flags cannot be used together",
-                lambda x: x.flag in ["swapped", "not-swapped"],
-            )
-
-    @validate()
-    def swapped_unnecessary(self):
-        if self.flag == "not-swapped" and self.parent.object_id is None:
-            raise CompileWarning(
-                "'not-swapped' is the default for handlers that do not specify an object",
-                actions=[CodeAction("Remove 'not-swapped' flag", "")],
-            )
-        elif self.flag == "swapped" and self.parent.object_id is not None:
-            raise CompileWarning(
-                "'swapped' is the default for handlers that specify an object",
-                actions=[CodeAction("Remove 'swapped' flag", "")],
-            )
-
-    @docs()
-    def ref_docs(self):
-        return get_docs_section("Syntax Signal")
 
 
 class Signal(AstNode):
     grammar = Statement(
         UseIdent("name"),
-        Optional(
+        Optional([
-            [
+            "::",
-                "::",
+            UseIdent("detail_name").expected("a signal detail name"),
-                UseIdent("detail_name").expected("a signal detail name"),
+        ]),
-            ]
+        "=>",
-        ),
-        Keyword("=>"),
-        Mark("detail_start"),
-        Optional(["$", UseLiteral("extern", True)]),
         UseIdent("handler").expected("the name of a function to handle the signal"),
         Match("(").expected("argument list"),
         Optional(UseIdent("object")).expected("object identifier"),
         Match(")").expected(),
-        ZeroOrMore(SignalFlag),
+        ZeroOrMore(AnyOf(
-        Mark("detail_end"),
+            [Keyword("swapped"), UseLiteral("swapped", True)],
+            [Keyword("after"), UseLiteral("after", True)],
+        )),
     )
 
-    @property
-    def name(self) -> str:
-        return self.tokens["name"]
 
     @property
-    def detail_name(self) -> T.Optional[str]:
+    def gir_signal(self):
-        return self.tokens["detail_name"]
+        if self.gir_class is not None:
-
-    @property
-    def full_name(self) -> str:
-        if self.detail_name is None:
-            return self.name
-        else:
-            return self.name + "::" + self.detail_name
-
-    @property
-    def handler(self) -> str:
-        return self.tokens["handler"]
-
-    @property
-    def object_id(self) -> T.Optional[str]:
-        return self.tokens["object"]
-
-    @property
-    def flags(self) -> T.List[SignalFlag]:
-        return self.children[SignalFlag]
-
-    # Returns True if the "swapped" flag is present, False if "not-swapped" is present, and None if neither are present.
-    # GtkBuilder's default if swapped is not specified is to not swap the arguments if no object is specified, and to
-    # swap them if an object is specified.
-    @property
-    def is_swapped(self) -> T.Optional[bool]:
-        for flag in self.flags:
-            if flag.flag == "swapped":
-                return True
-            elif flag.flag == "not-swapped":
-                return False
-        return None
-
-    @property
-    def is_after(self) -> bool:
-        return any(x.flag == "after" for x in self.flags)
-
-    @property
-    def gir_signal(self) -> T.Optional[gir.Signal]:
-        if self.gir_class is not None and not isinstance(self.gir_class, ExternType):
             return self.gir_class.signals.get(self.tokens["name"])
-        else:
+
-            return None
 
     @property
     def gir_class(self):
         return self.parent.parent.gir_class
 
-    @property
-    def document_symbol(self) -> DocumentSymbol:
-        detail = self.ranges["detail_start", "detail_end"]
-        return DocumentSymbol(
-            self.full_name,
-            SymbolKind.Event,
-            self.range,
-            self.group.tokens["name"].range,
-            detail.text if detail is not None else None,
-        )
-
-    def get_reference(self, idx: int) -> T.Optional[LocationLink]:
-        if self.object_id is not None and idx in self.group.tokens["object"].range:
-            obj = self.context[ScopeCtx].objects.get(self.object_id)
-            if obj is not None:
-                return LocationLink(
-                    self.group.tokens["object"].range, obj.range, obj.ranges["id"]
-                )
-
-        return None
-
-    @validate("handler")
-    def old_extern(self):
-        if not self.tokens["extern"]:
-            if self.handler is not None:
-                raise UpgradeWarning(
-                    "Use the '$' extern syntax introduced in blueprint 0.8.0",
-                    actions=[CodeAction("Use '$' syntax", "$" + self.handler)],
-                )
 
     @validate("name")
     def signal_exists(self):
-        if self.gir_class is None or self.gir_class.incomplete:
+        if self.gir_class is None:
             # Objects that we have no gir data on should not be validated
             # This happens for classes defined by the app itself
             return
 
+        if isinstance(self.parent.parent, Template):
+            # If the signal is part of a template, it might be defined by
+            # the application and thus not in gir
+            return
+
         if self.gir_signal is None:
             raise CompileError(
                 f"Class {self.gir_class.full_name} does not contain a signal called {self.tokens['name']}",
-                did_you_mean=(self.tokens["name"], self.gir_class.signals.keys()),
+                did_you_mean=(self.tokens["name"], self.gir_class.signals.keys())
             )
 
+
     @validate("object")
     def object_exists(self):
         object_id = self.tokens["object"]
         if object_id is None:
             return
 
-        if self.context[ScopeCtx].objects.get(object_id) is None:
+        if self.root.objects_by_id.get(object_id) is None:
-            raise CompileError(f"Could not find object with ID '{object_id}'")
+            raise CompileError(
-
+                f"Could not find object with ID '{object_id}'"
-    @validate("name")
-    def deprecated(self) -> None:
-        if self.gir_signal is not None and self.gir_signal.deprecated:
-            hints = []
-            if self.gir_signal.deprecated_doc:
-                hints.append(self.gir_signal.deprecated_doc)
-            raise DeprecatedWarning(
-                f"{self.gir_signal.signature} is deprecated",
-                hints=hints,
             )
 
+
     @docs("name")
     def signal_docs(self):
         if self.gir_signal is not None:
             return self.gir_signal.doc
 
-    @docs("detail_name")
-    def detail_docs(self):
-        if self.name == "notify":
-            if self.gir_class is not None and not isinstance(
-                self.gir_class, ExternType
-            ):
-                prop = self.gir_class.properties.get(self.tokens["detail_name"])
-                if prop is not None:
-                    return prop.doc
 
-    @docs("=>")
+    def emit_xml(self, xml: XmlEmitter):
-    def ref_docs(self):
+        name = self.tokens["name"]
-        return get_docs_section("Syntax Signal")
+        if self.tokens["detail_name"]:
+            name += "::" + self.tokens["detail_name"]
+        xml.put_self_closing(
+            "signal",
+            name=name,
+            handler=self.tokens["handler"],
+            swapped="true" if self.tokens["swapped"] else None,
+            object=self.tokens["object"]
+        )
 
 
 @decompiler("signal")
-def decompile_signal(
+def decompile_signal(ctx, gir, name, handler, swapped="false", object=None):
-    ctx: DecompileCtx, gir, name, handler, swapped=None, after="false", object=None
-):
     object_name = object or ""
-
-    if object_name == ctx.template_class:
-        object_name = "template"
-
     name = name.replace("_", "-")
-    line = f"{name} => ${handler}({object_name})"
-
     if decompile.truthy(swapped):
-        line += " swapped"
+        ctx.print(f"{name} => {handler}({object_name}) swapped;")
-    elif swapped is not None:
+    else:
-        line += " not-swapped"
+        ctx.print(f"{name} => {handler}({object_name});")
-
-    if decompile.truthy(after):
-        line += " after"
-
-    line += ";"
-    ctx.print(line)
     return gir

blueprintcompiler/language/gtk_a11y.py

@@ -17,12 +17,10 @@
 #
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
-import typing as T
-
-from .common import *
-from .contexts import ValueTypeCtx
 from .gobject_object import ObjectContent, validate_parent_type
+from .attributes import BaseTypedAttribute
 from .values import Value
+from .common import *
 
 
 def get_property_types(gir):
@@ -88,7 +86,6 @@ def get_state_types(gir):
         "selected": BoolType(),
     }
 
-
 def get_types(gir):
     return {
         **get_property_types(gir),
@@ -96,19 +93,7 @@ def get_types(gir):
         **get_state_types(gir),
     }
 
-
-allow_duplicates = [
-    "controls",
-    "described-by",
-    "details",
-    "flow-to",
-    "labelled-by",
-    "owns",
-]
-
-
 def _get_docs(gir, name):
-    name = name.replace("-", "_")
     if gir_type := (
         gir.get_type("AccessibleProperty", "Gtk").members.get(name)
         or gir.get_type("AccessibleRelation", "Gtk").members.get(name)
@@ -117,11 +102,11 @@ def _get_docs(gir, name):
         return gir_type.doc
 
 
-class A11yProperty(AstNode):
+class A11yProperty(BaseTypedAttribute):
     grammar = Statement(
         UseIdent("name"),
         ":",
-        AnyOf(Value, ["[", UseLiteral("list_form", True), Delimited(Value, ","), "]"]),
+        VALUE_HOOKS.expected("a value"),
     )
 
     @property
@@ -142,22 +127,8 @@ class A11yProperty(AstNode):
         return self.tokens["name"].replace("_", "-")
 
     @property
-    def values(self) -> T.List[Value]:
+    def value_type(self) -> GirType:
-        return list(self.children)
+        return get_types(self.root.gir).get(self.tokens["name"])
-
-    @context(ValueTypeCtx)
-    def value_type(self) -> ValueTypeCtx:
-        return ValueTypeCtx(get_types(self.root.gir).get(self.tokens["name"]))
-
-    @property
-    def document_symbol(self) -> DocumentSymbol:
-        return DocumentSymbol(
-            self.name,
-            SymbolKind.Field,
-            self.range,
-            self.group.tokens["name"].range,
-            ", ".join(v.range.text for v in self.values),
-        )
 
     @validate("name")
     def is_valid_property(self):
@@ -175,46 +146,19 @@ class A11yProperty(AstNode):
             check=lambda child: child.tokens["name"] == self.tokens["name"],
         )
 
-    @validate("name")
-    def list_only_allowed_for_subset(self):
-        if self.tokens["list_form"] and self.tokens["name"] not in allow_duplicates:
-            raise CompileError(
-                f"'{self.tokens['name']}' does not allow a list of values",
-            )
-
-    @validate("name")
-    def list_non_empty(self):
-        if len(self.values) == 0:
-            raise CompileError(
-                f"'{self.tokens['name']}' may not be empty",
-            )
-
     @docs("name")
     def prop_docs(self):
         if self.tokens["name"] in get_types(self.root.gir):
             return _get_docs(self.root.gir, self.tokens["name"])
 
 
-class ExtAccessibility(AstNode):
+class A11y(AstNode):
     grammar = [
         Keyword("accessibility"),
         "{",
         Until(A11yProperty, "}"),
     ]
 
-    @property
-    def properties(self) -> T.List[A11yProperty]:
-        return self.children[A11yProperty]
-
-    @property
-    def document_symbol(self) -> DocumentSymbol:
-        return DocumentSymbol(
-            "accessibility",
-            SymbolKind.Struct,
-            self.range,
-            self.group.tokens["accessibility"].range,
-        )
-
     @validate("accessibility")
     def container_is_widget(self):
         validate_parent_type(self, "Gtk", "Widget", "accessibility properties")
@@ -223,65 +167,44 @@ class ExtAccessibility(AstNode):
     def unique_in_parent(self):
         self.validate_unique_in_parent("Duplicate accessibility block")
 
-    @docs("accessibility")
+    def emit_xml(self, xml: XmlEmitter):
-    def ref_docs(self):
+        xml.start_tag("accessibility")
-        return get_docs_section("Syntax ExtAccessibility")
+        for child in self.children:
+            child.emit_xml(xml)
+        xml.end_tag()
 
 
 @completer(
     applies_in=[ObjectContent],
     matches=new_statement_patterns,
 )
-def a11y_completer(lsp, ast_node, match_variables):
+def a11y_completer(ast_node, match_variables):
     yield Completion(
-        "accessibility", CompletionItemKind.Snippet, snippet="accessibility {\n  $0\n}"
+        "accessibility", CompletionItemKind.Snippet,
+        snippet="accessibility {\n  $0\n}"
     )
 
 
 @completer(
-    applies_in=[ExtAccessibility],
+    applies_in=[A11y],
     matches=new_statement_patterns,
 )
-def a11y_name_completer(lsp, ast_node, match_variables):
+def a11y_name_completer(ast_node, match_variables):
     for name, type in get_types(ast_node.root.gir).items():
-        yield Completion(
+        yield Completion(name, CompletionItemKind.Property, docs=_get_docs(ast_node.root.gir, type))
-            name,
-            CompletionItemKind.Property,
-            docs=_get_docs(ast_node.root.gir, type.name),
-        )
 
 
-@decompiler("accessibility", skip_children=True, element=True)
+@decompiler("relation", cdata=True)
-def decompile_accessibility(ctx: DecompileCtx, _gir, element):
+def decompile_relation(ctx, gir, name, cdata):
+    ctx.print_attribute(name, cdata, get_types(ctx.gir).get(name))
+
+@decompiler("state", cdata=True)
+def decompile_state(ctx, gir, name, cdata, translatable="false"):
+    if decompile.truthy(translatable):
+        ctx.print(f"{name}: _(\"{_escape_quote(cdata)}\");")
+    else:
+        ctx.print_attribute(name, cdata, get_types(ctx.gir).get(name))
+
+@decompiler("accessibility")
+def decompile_accessibility(ctx, gir):
     ctx.print("accessibility {")
-    already_printed = set()
-    types = get_types(ctx.gir)
-
-    for child in element.children:
-        name = child["name"]
-
-        if name in allow_duplicates:
-            if name in already_printed:
-                continue
-
-            ctx.print(f"{name}: [")
-            for value in element.children:
-                if value["name"] == name:
-                    comments, string = ctx.decompile_value(
-                        value.cdata,
-                        types.get(value["name"]),
-                        (value["translatable"], value["context"], value["comments"]),
-                    )
-                    ctx.print(f"{comments} {string},")
-            ctx.print("];")
-        else:
-            comments, string = ctx.decompile_value(
-                child.cdata,
-                types.get(child["name"]),
-                (child["translatable"], child["context"], child["comments"]),
-            )
-            ctx.print(f"{comments} {name}: {string};")
-
-        already_printed.add(name)
-    ctx.print("}")
-    ctx.end_block_with("")

blueprintcompiler/language/gtk_combo_box_text.py

@@ -18,64 +18,40 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
 
-from .common import *
+from .attributes import BaseTypedAttribute
 from .gobject_object import ObjectContent, validate_parent_type
-from .values import StringValue
+from .common import *
 
 
-class Item(AstNode):
+class Item(BaseTypedAttribute):
-    grammar = [
+    tag_name = "item"
-        Optional([UseIdent("name"), ":"]),
+    attr_name = "id"
-        StringValue,
+
+    @property
+    def value_type(self):
+        return StringType()
+
+
+item = Group(
+    Item,
+    [
+        Optional([
+            UseIdent("name"),
+            ":",
+        ]),
+        VALUE_HOOKS,
     ]
-
+)
-    @property
-    def name(self) -> T.Optional[str]:
-        return self.tokens["name"]
-
-    @property
-    def value(self) -> StringValue:
-        return self.children[StringValue][0]
-
-    @property
-    def document_symbol(self) -> DocumentSymbol:
-        return DocumentSymbol(
-            self.value.range.text,
-            SymbolKind.String,
-            self.range,
-            self.value.range,
-            self.name,
-        )
-
-    @validate("name")
-    def unique_in_parent(self):
-        if self.name is not None:
-            self.validate_unique_in_parent(
-                f"Duplicate item '{self.name}'", lambda x: x.name == self.name
-            )
-
-    @docs("name")
-    def ref_docs(self):
-        return get_docs_section("Syntax ExtComboBoxItems")
 
 
-class ExtComboBoxItems(AstNode):
+class Items(AstNode):
     grammar = [
         Keyword("items"),
         "[",
-        Delimited(Item, ","),
+        Delimited(item, ","),
         "]",
     ]
 
-    @property
-    def document_symbol(self) -> DocumentSymbol:
-        return DocumentSymbol(
-            "items",
-            SymbolKind.Array,
-            self.range,
-            self.group.tokens["items"].range,
-        )
-
     @validate("items")
     def container_is_combo_box_text(self):
         validate_parent_type(self, "Gtk", "ComboBoxText", "combo box items")
@@ -84,9 +60,11 @@ class ExtComboBoxItems(AstNode):
     def unique_in_parent(self):
         self.validate_unique_in_parent("Duplicate items block")
 
-    @docs("items")
+    def emit_xml(self, xml: XmlEmitter):
-    def ref_docs(self):
+        xml.start_tag("items")
-        return get_docs_section("Syntax ExtComboBoxItems")
+        for child in self.children:
+            child.emit_xml(xml)
+        xml.end_tag()
 
 
 @completer(
@@ -94,31 +72,8 @@ class ExtComboBoxItems(AstNode):
     applies_in_subclass=("Gtk", "ComboBoxText"),
     matches=new_statement_patterns,
 )
-def items_completer(lsp, ast_node, match_variables):
+def items_completer(ast_node, match_variables):
-    yield Completion("items", CompletionItemKind.Snippet, snippet="items [$0]")
+    yield Completion(
-
+        "items", CompletionItemKind.Snippet,
-
+        snippet="items [$0]"
-@decompiler("items", parent_type="Gtk.ComboBoxText")
-def decompile_items(ctx: DecompileCtx, gir: gir.GirContext):
-    ctx.print("items [")
-
-
-@decompiler("item", parent_type="Gtk.ComboBoxText", cdata=True)
-def decompile_item(
-    ctx: DecompileCtx,
-    gir: gir.GirContext,
-    cdata: str,
-    id: T.Optional[str] = None,
-    translatable="false",
-    comments=None,
-    context=None,
-):
-    comments, translatable = decompile_translatable(
-        cdata, translatable, context, comments
     )
-    if comments:
-        ctx.print(comments)
-    if id:
-        ctx.print(f"{id}: ")
-    ctx.print(translatable)
-    ctx.print(",")

blueprintcompiler/language/gtk_file_filter.py

@@ -18,63 +18,47 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
 
-from .common import *
 from .gobject_object import ObjectContent, validate_parent_type
+from .common import *
 
 
 class Filters(AstNode):
-    @property
-    def document_symbol(self) -> DocumentSymbol:
-        return DocumentSymbol(
-            self.tokens["tag_name"],
-            SymbolKind.Array,
-            self.range,
-            self.group.tokens["tag_name"].range,
-        )
-
     @validate()
     def container_is_file_filter(self):
         validate_parent_type(self, "Gtk", "FileFilter", "file filter properties")
 
-    @validate("tag_name")
+    @validate()
     def unique_in_parent(self):
-        self.validate_unique_in_parent(
+        # The token argument to validate() needs to be calculated based on
-            f"Duplicate {self.tokens['tag_name']} block",
+        # the instance, hence wrapping it like this.
-            check=lambda child: child.tokens["tag_name"] == self.tokens["tag_name"],
+        @validate(self.tokens["tag_name"])
-        )
+        def wrapped_validator(self):
+            self.validate_unique_in_parent(
+                f"Duplicate {self.tokens['tag_name']} block",
+                check=lambda child: child.tokens["tag_name"] == self.tokens["tag_name"],
+            )
+        wrapped_validator(self)
 
-    @docs("tag_name")
+    def emit_xml(self, xml: XmlEmitter):
-    def ref_docs(self):
+        xml.start_tag(self.tokens["tag_name"])
-        return get_docs_section("Syntax ExtFileFilter")
+        for child in self.children:
+            child.emit_xml(xml)
+        xml.end_tag()
 
 
 class FilterString(AstNode):
-    @property
+    def emit_xml(self, xml):
-    def item(self) -> str:
+        xml.start_tag(self.tokens["tag_name"])
-        return self.tokens["name"]
+        xml.put_text(self.tokens["name"])
-
+        xml.end_tag()
-    @property
-    def document_symbol(self) -> DocumentSymbol:
-        return DocumentSymbol(
-            self.item,
-            SymbolKind.String,
-            self.range,
-            self.group.tokens["name"].range,
-        )
-
-    @validate()
-    def unique_in_parent(self):
-        self.validate_unique_in_parent(
-            f"Duplicate {self.tokens['tag_name']} '{self.item}'",
-            check=lambda child: child.item == self.item,
-        )
 
 
 def create_node(tag_name: str, singular: str):
     return Group(
         Filters,
         [
-            UseExact("tag_name", tag_name),
+            Keyword(tag_name),
+            UseLiteral("tag_name", tag_name),
             "[",
             Delimited(
                 Group(
@@ -82,18 +66,18 @@ def create_node(tag_name: str, singular: str):
                     [
                         UseQuoted("name"),
                         UseLiteral("tag_name", singular),
-                    ],
+                    ]
                 ),
                 ",",
             ),
             "]",
-        ],
+        ]
     )
 
 
-ext_file_filter_mime_types = create_node("mime-types", "mime-type")
+mime_types = create_node("mime-types", "mime-type")
-ext_file_filter_patterns = create_node("patterns", "pattern")
+patterns = create_node("patterns", "pattern")
-ext_file_filter_suffixes = create_node("suffixes", "suffix")
+suffixes = create_node("suffixes", "suffix")
 
 
 @completer(
@@ -101,39 +85,32 @@ ext_file_filter_suffixes = create_node("suffixes", "suffix")
     applies_in_subclass=("Gtk", "FileFilter"),
     matches=new_statement_patterns,
 )
-def file_filter_completer(lsp, ast_node, match_variables):
+def file_filter_completer(ast_node, match_variables):
-    yield Completion(
+    yield Completion("mime-types", CompletionItemKind.Snippet, snippet="mime-types [\"$0\"]")
-        "mime-types", CompletionItemKind.Snippet, snippet='mime-types ["$0"]'
+    yield Completion("patterns", CompletionItemKind.Snippet, snippet="patterns [\"$0\"]")
-    )
+    yield Completion("suffixes", CompletionItemKind.Snippet, snippet="suffixes [\"$0\"]")
-    yield Completion("patterns", CompletionItemKind.Snippet, snippet='patterns ["$0"]')
-    yield Completion("suffixes", CompletionItemKind.Snippet, snippet='suffixes ["$0"]')
 
 
 @decompiler("mime-types")
 def decompile_mime_types(ctx, gir):
     ctx.print("mime-types [")
 
-
 @decompiler("mime-type", cdata=True)
 def decompile_mime_type(ctx, gir, cdata):
-    ctx.print(f"{escape_quote(cdata)},")
+    ctx.print(f'"{cdata}",')
-
 
 @decompiler("patterns")
 def decompile_patterns(ctx, gir):
     ctx.print("patterns [")
 
-
 @decompiler("pattern", cdata=True)
 def decompile_pattern(ctx, gir, cdata):
-    ctx.print(f"{escape_quote(cdata)},")
+    ctx.print(f'"{cdata}",')
-
 
 @decompiler("suffixes")
 def decompile_suffixes(ctx, gir):
     ctx.print("suffixes [")
 
-
 @decompiler("suffix", cdata=True)
 def decompile_suffix(ctx, gir, cdata):
-    ctx.print(f"{escape_quote(cdata)},")
+    ctx.print(f'"{cdata}",')

blueprintcompiler/language/gtk_layout.py

@@ -18,38 +18,18 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
 
-from .common import *
+from .attributes import BaseAttribute
-from .contexts import ValueTypeCtx
 from .gobject_object import ObjectContent, validate_parent_type
-from .values import Value
+from .common import *
 
 
-class LayoutProperty(AstNode):
+class LayoutProperty(BaseAttribute):
-    grammar = Statement(UseIdent("name"), ":", Err(Value, "Expected a value"))
     tag_name = "property"
 
     @property
-    def name(self) -> str:
+    def value_type(self):
-        return self.tokens["name"]
-
-    @property
-    def value(self) -> Value:
-        return self.children[Value][0]
-
-    @property
-    def document_symbol(self) -> DocumentSymbol:
-        return DocumentSymbol(
-            self.name,
-            SymbolKind.Field,
-            self.range,
-            self.group.tokens["name"].range,
-            self.value.range.text,
-        )
-
-    @context(ValueTypeCtx)
-    def value_type(self) -> ValueTypeCtx:
         # there isn't really a way to validate these
-        return ValueTypeCtx(None)
+        return None
 
     @validate("name")
     def unique_in_parent(self):
@@ -59,22 +39,23 @@ class LayoutProperty(AstNode):
         )
 
 
-class ExtLayout(AstNode):
+layout_prop = Group(
+    LayoutProperty,
+    Statement(
+        UseIdent("name"),
+        ":",
+        VALUE_HOOKS.expected("a value"),
+    )
+)
+
+
+class Layout(AstNode):
     grammar = Sequence(
         Keyword("layout"),
         "{",
-        Until(LayoutProperty, "}"),
+        Until(layout_prop, "}"),
     )
 
-    @property
-    def document_symbol(self) -> DocumentSymbol:
-        return DocumentSymbol(
-            "layout",
-            SymbolKind.Struct,
-            self.range,
-            self.group.tokens["layout"].range,
-        )
-
     @validate("layout")
     def container_is_widget(self):
         validate_parent_type(self, "Gtk", "Widget", "layout properties")
@@ -83,9 +64,11 @@ class ExtLayout(AstNode):
     def unique_in_parent(self):
         self.validate_unique_in_parent("Duplicate layout block")
 
-    @docs("layout")
+    def emit_xml(self, xml: XmlEmitter):
-    def ref_docs(self):
+        xml.start_tag("layout")
-        return get_docs_section("Syntax ExtLayout")
+        for child in self.children:
+            child.emit_xml(xml)
+        xml.end_tag()
 
 
 @completer(
@@ -93,8 +76,11 @@ class ExtLayout(AstNode):
     applies_in_subclass=("Gtk", "Widget"),
     matches=new_statement_patterns,
 )
-def layout_completer(lsp, ast_node, match_variables):
+def layout_completer(ast_node, match_variables):
-    yield Completion("layout", CompletionItemKind.Snippet, snippet="layout {\n  $0\n}")
+    yield Completion(
+        "layout", CompletionItemKind.Snippet,
+        snippet="layout {\n  $0\n}"
+    )
 
 
 @decompiler("layout")

blueprintcompiler/language/gtk_list_item_factory.py

@@ -1,111 +0,0 @@
-import typing as T
-
-from blueprintcompiler.errors import T
-from blueprintcompiler.lsp_utils import DocumentSymbol
-
-from ..ast_utils import AstNode, validate
-from .common import *
-from .contexts import ScopeCtx
-from .gobject_object import ObjectContent, validate_parent_type
-from .types import TypeName
-
-
-class ExtListItemFactory(AstNode):
-    grammar = [
-        UseExact("id", "template"),
-        Mark("typename_start"),
-        Optional(TypeName),
-        Mark("typename_end"),
-        ObjectContent,
-    ]
-
-    @property
-    def id(self) -> str:
-        return "template"
-
-    @property
-    def signature(self) -> str:
-        return f"template {self.gir_class.full_name}"
-
-    @property
-    def document_symbol(self) -> DocumentSymbol:
-        return DocumentSymbol(
-            self.signature,
-            SymbolKind.Object,
-            self.range,
-            self.group.tokens["id"].range,
-        )
-
-    @property
-    def type_name(self) -> T.Optional[TypeName]:
-        if len(self.children[TypeName]) == 1:
-            return self.children[TypeName][0]
-        else:
-            return None
-
-    @property
-    def gir_class(self):
-        if self.type_name is not None:
-            return self.type_name.gir_type
-        else:
-            return self.root.gir.get_type("ListItem", "Gtk")
-
-    @validate("id")
-    def container_is_builder_list(self):
-        validate_parent_type(
-            self,
-            "Gtk",
-            "BuilderListItemFactory",
-            "sub-templates",
-        )
-
-    @validate("id")
-    def unique_in_parent(self):
-        self.validate_unique_in_parent("Duplicate template block")
-
-    @validate("typename_start", "typename_end")
-    def type_is_list_item(self):
-        if self.type_name is not None:
-            if self.type_name.glib_type_name not in (
-                "GtkListItem",
-                "GtkListHeader",
-                "GtkColumnViewRow",
-                "GtkColumnViewCell",
-            ):
-                raise CompileError(
-                    f"Only Gtk.ListItem, Gtk.ListHeader, Gtk.ColumnViewRow, or Gtk.ColumnViewCell is allowed as a type here"
-                )
-
-    @validate("id")
-    def type_name_upgrade(self):
-        if self.type_name is None:
-            raise UpgradeWarning(
-                "Expected type name after 'template' keyword",
-                actions=[
-                    CodeAction(
-                        "Add ListItem type to template block (introduced in blueprint 0.8.0)",
-                        "template ListItem",
-                    )
-                ],
-            )
-
-    @context(ScopeCtx)
-    def scope_ctx(self) -> ScopeCtx:
-        return ScopeCtx(node=self)
-
-    @validate()
-    def unique_ids(self):
-        self.context[ScopeCtx].validate_unique_ids()
-
-    @property
-    def content(self) -> ObjectContent:
-        return self.children[ObjectContent][0]
-
-    @property
-    def action_widgets(self):
-        # The sub-template shouldn't have its own actions, this is just here to satisfy XmlOutput._emit_object_or_template
-        return None
-
-    @docs("id")
-    def ref_docs(self):
-        return get_docs_section("Syntax ExtListItemFactory")

blueprintcompiler/language/gtk_menu.py

@@ -17,257 +17,173 @@
 #
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
-import typing as T
-
-from blueprintcompiler.language.values import StringValue
 
+from .attributes import BaseAttribute
+from .gobject_object import Object, ObjectContent
+from .ui import UI
 from .common import *
-from .contexts import ValueTypeCtx
-from .gobject_object import RESERVED_IDS
 
 
-class Menu(AstNode):
+class Menu(Object):
+    def emit_xml(self, xml: XmlEmitter):
+        xml.start_tag(self.tokens["tag"], id=self.tokens["id"])
+        for child in self.children:
+            child.emit_xml(xml)
+        xml.end_tag()
+
     @property
     def gir_class(self):
         return self.root.gir.namespaces["Gtk"].lookup_type("Gio.Menu")
 
-    @property
-    def id(self) -> str:
-        return self.tokens["id"]
 
-    @property
+class MenuAttribute(BaseAttribute):
-    def signature(self) -> str:
-        if self.id:
-            return f"Gio.Menu {self.id}"
-        else:
-            return "Gio.Menu"
-
-    @property
-    def document_symbol(self) -> DocumentSymbol:
-        return DocumentSymbol(
-            self.tokens["tag"],
-            SymbolKind.Object,
-            self.range,
-            self.group.tokens[self.tokens["tag"]].range,
-            self.id,
-        )
-
-    @property
-    def tag(self) -> str:
-        return self.tokens["tag"]
-
-    @property
-    def items(self) -> T.List[T.Union["Menu", "MenuAttribute"]]:
-        return self.children
-
-    @validate("menu")
-    def has_id(self):
-        if self.tokens["tag"] == "menu" and self.tokens["id"] is None:
-            raise CompileError("Menu requires an ID")
-
-    @validate("id")
-    def object_id_not_reserved(self):
-        if self.id in RESERVED_IDS:
-            raise CompileWarning(f"{self.id} may be a confusing object ID")
-
-    @docs("menu")
-    def ref_docs_menu(self):
-        return get_docs_section("Syntax Menu")
-
-    @docs("section")
-    def ref_docs_section(self):
-        return get_docs_section("Syntax Menu")
-
-    @docs("submenu")
-    def ref_docs_submenu(self):
-        return get_docs_section("Syntax Menu")
-
-    @docs("item")
-    def ref_docs_item(self):
-        if self.tokens["shorthand"]:
-            return get_docs_section("Syntax MenuItemShorthand")
-        else:
-            return get_docs_section("Syntax Menu")
-
-
-class MenuAttribute(AstNode):
     tag_name = "attribute"
 
     @property
-    def name(self) -> str:
+    def value_type(self):
-        return self.tokens["name"]
+        return None
-
-    @property
-    def value(self) -> StringValue:
-        return self.children[StringValue][0]
-
-    @property
-    def document_symbol(self) -> DocumentSymbol:
-        return DocumentSymbol(
-            self.name,
-            SymbolKind.Field,
-            self.range,
-            (
-                self.group.tokens["name"].range
-                if self.group.tokens["name"]
-                else self.range
-            ),
-            self.value.range.text,
-        )
-
-    @context(ValueTypeCtx)
-    def value_type(self) -> ValueTypeCtx:
-        return ValueTypeCtx(None)
-
-    @validate("name")
-    def unique(self):
-        self.validate_unique_in_parent(
-            f"Duplicate attribute '{self.name}'", lambda x: x.name == self.name
-        )
 
 
-menu_child = AnyOf()
+menu_contents = Sequence()
+
+menu_section = Group(
+    Menu,
+    [
+        "section",
+        UseLiteral("tag", "section"),
+        Optional(UseIdent("id")),
+        menu_contents
+    ]
+)
+
+menu_submenu = Group(
+    Menu,
+    [
+        "submenu",
+        UseLiteral("tag", "submenu"),
+        Optional(UseIdent("id")),
+        menu_contents
+    ]
+)
 
 menu_attribute = Group(
     MenuAttribute,
     [
         UseIdent("name"),
         ":",
-        Err(StringValue, "Expected string or translated string"),
+        VALUE_HOOKS.expected("a value"),
         Match(";").expected(),
-    ],
+    ]
-)
-
-menu_section = Group(
-    Menu,
-    [
-        Keyword("section"),
-        UseLiteral("tag", "section"),
-        Optional(UseIdent("id")),
-        Match("{").expected(),
-        Until(AnyOf(menu_child, menu_attribute), "}"),
-    ],
-)
-
-menu_submenu = Group(
-    Menu,
-    [
-        Keyword("submenu"),
-        UseLiteral("tag", "submenu"),
-        Optional(UseIdent("id")),
-        Match("{").expected(),
-        Until(AnyOf(menu_child, menu_attribute), "}"),
-    ],
 )
 
 menu_item = Group(
     Menu,
     [
-        Keyword("item"),
+        "item",
         UseLiteral("tag", "item"),
+        Optional(UseIdent("id")),
         Match("{").expected(),
         Until(menu_attribute, "}"),
-    ],
+    ]
 )
 
 menu_item_shorthand = Group(
     Menu,
     [
-        Keyword("item"),
+        "item",
         UseLiteral("tag", "item"),
-        UseLiteral("shorthand", True),
         "(",
         Group(
             MenuAttribute,
-            [UseLiteral("name", "label"), StringValue],
+            [UseLiteral("name", "label"), VALUE_HOOKS],
         ),
-        Optional(
+        Optional([
-            [
+            ",",
-                ",",
+            Optional([
-                Optional(
+                Group(
-                    [
+                    MenuAttribute,
-                        Group(
+                    [UseLiteral("name", "action"), VALUE_HOOKS],
-                            MenuAttribute,
-                            [UseLiteral("name", "action"), StringValue],
-                        ),
-                        Optional(
-                            [
-                                ",",
-                                Group(
-                                    MenuAttribute,
-                                    [UseLiteral("name", "icon"), StringValue],
-                                ),
-                            ]
-                        ),
-                    ]
                 ),
-            ]
+                Optional([
-        ),
+                    ",",
+                    Group(
+                        MenuAttribute,
+                        [UseLiteral("name", "icon"), VALUE_HOOKS],
+                    ),
+                ])
+            ])
+        ]),
         Match(")").expected(),
-    ],
+    ]
 )
 
-menu_child.children = [
+menu_contents.children = [
-    menu_section,
+    Match("{"),
-    menu_submenu,
+    Until(AnyOf(
-    menu_item_shorthand,
+        menu_section,
-    menu_item,
+        menu_submenu,
+        menu_item_shorthand,
+        menu_item,
+        menu_attribute,
+    ), "}"),
 ]
 
-menu: Group = Group(
+menu = Group(
     Menu,
     [
-        Keyword("menu"),
+        "menu",
         UseLiteral("tag", "menu"),
         Optional(UseIdent("id")),
-        [
+        menu_contents
-            Match("{"),
-            Until(
-                AnyOf(
-                    menu_child,
-                    Fail(
-                        menu_attribute,
-                        "Attributes are not permitted at the top level of a menu",
-                    ),
-                ),
-                "}",
-            ),
-        ],
     ],
 )
 
-from .ui import UI
-
 
 @completer(
     applies_in=[UI],
     matches=new_statement_patterns,
 )
-def menu_completer(lsp, ast_node, match_variables):
+def menu_completer(ast_node, match_variables):
-    yield Completion("menu", CompletionItemKind.Snippet, snippet="menu {\n  $0\n}")
+    yield Completion(
+        "menu", CompletionItemKind.Snippet,
+        snippet="menu {\n  $0\n}"
+    )
 
 
 @completer(
     applies_in=[Menu],
     matches=new_statement_patterns,
 )
-def menu_content_completer(lsp, ast_node, match_variables):
+def menu_content_completer(ast_node, match_variables):
     yield Completion(
-        "submenu", CompletionItemKind.Snippet, snippet="submenu {\n  $0\n}"
+        "submenu", CompletionItemKind.Snippet,
+        snippet="submenu {\n  $0\n}"
     )
     yield Completion(
-        "section", CompletionItemKind.Snippet, snippet="section {\n  $0\n}"
+        "section", CompletionItemKind.Snippet,
+        snippet="section {\n  $0\n}"
     )
-    yield Completion("item", CompletionItemKind.Snippet, snippet="item {\n  $0\n}")
     yield Completion(
-        "item (shorthand)",
+        "item", CompletionItemKind.Snippet,
-        CompletionItemKind.Snippet,
+        snippet="item {\n  $0\n}"
-        snippet='item (_("${1:Label}"), "${2:action-name}", "${3:icon-name}")',
+    )
+    yield Completion(
+        "item (shorthand)", CompletionItemKind.Snippet,
+        snippet='item (_("${1:Label}"), "${2:action-name}", "${3:icon-name}")'
     )
 
-    yield Completion("label", CompletionItemKind.Snippet, snippet="label: $0;")
+    yield Completion(
-    yield Completion("action", CompletionItemKind.Snippet, snippet='action: "$0";')
+        "label", CompletionItemKind.Snippet,
-    yield Completion("icon", CompletionItemKind.Snippet, snippet='icon: "$0";')
+        snippet='label: $0;'
+    )
+    yield Completion(
+        "action", CompletionItemKind.Snippet,
+        snippet='action: "$0";'
+    )
+    yield Completion(
+        "icon", CompletionItemKind.Snippet,
+        snippet='icon: "$0";'
+    )
 
 
 @decompiler("menu")
@@ -277,7 +193,6 @@ def decompile_menu(ctx, gir, id=None):
     else:
         ctx.print("menu {")
 
-
 @decompiler("submenu")
 def decompile_submenu(ctx, gir, id=None):
     if id:
@@ -285,15 +200,13 @@ def decompile_submenu(ctx, gir, id=None):
     else:
         ctx.print("submenu {")
 
-
+@decompiler("item")
-@decompiler("item", parent_tag="menu")
 def decompile_item(ctx, gir, id=None):
     if id:
         ctx.print(f"item {id} {{")
     else:
         ctx.print("item {")
 
-
 @decompiler("section")
 def decompile_section(ctx, gir, id=None):
     if id:

blueprintcompiler/language/gtk_scale.py

@@ -1,187 +0,0 @@
-# gtk_scale.py
-#
-# Copyright 2023 James Westman <james@jwestman.net>
-#
-# This file is free software; you can redistribute it and/or modify it
-# under the terms of the GNU Lesser General Public License as
-# published by the Free Software Foundation; either version 3 of the
-# License, or (at your option) any later version.
-#
-# This file is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-# Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
-# SPDX-License-Identifier: LGPL-3.0-or-later
-
-from .common import *
-from .gobject_object import ObjectContent, validate_parent_type
-from .values import StringValue
-
-
-class ExtScaleMark(AstNode):
-    grammar = [
-        Keyword("mark"),
-        Match("(").expected(),
-        [
-            Optional(AnyOf(UseExact("sign", "-"), UseExact("sign", "+"))),
-            UseNumber("value"),
-            Optional(
-                [
-                    ",",
-                    UseIdent("position"),
-                    Optional([",", StringValue]),
-                ]
-            ),
-        ],
-        Match(")").expected(),
-    ]
-
-    @property
-    def value(self) -> float:
-        if self.tokens["sign"] == "-":
-            return -self.tokens["value"]
-        else:
-            return self.tokens["value"]
-
-    @property
-    def position(self) -> T.Optional[str]:
-        return self.tokens["position"]
-
-    @property
-    def label(self) -> T.Optional[StringValue]:
-        if len(self.children[StringValue]) == 1:
-            return self.children[StringValue][0]
-        else:
-            return None
-
-    @property
-    def document_symbol(self) -> DocumentSymbol:
-        return DocumentSymbol(
-            str(self.value),
-            SymbolKind.Field,
-            self.range,
-            self.group.tokens["mark"].range,
-            self.label.string if self.label else None,
-        )
-
-    def get_semantic_tokens(self) -> T.Iterator[SemanticToken]:
-        if range := self.ranges["position"]:
-            yield SemanticToken(
-                range.start,
-                range.end,
-                SemanticTokenType.EnumMember,
-            )
-
-    @docs("position")
-    def position_docs(self) -> T.Optional[str]:
-        if member := self.root.gir.get_type("PositionType", "Gtk").members.get(
-            self.position
-        ):
-            return member.doc
-        else:
-            return None
-
-    @validate("position")
-    def validate_position(self):
-        positions = self.root.gir.get_type("PositionType", "Gtk").members
-        if self.position is not None and positions.get(self.position) is None:
-            raise CompileError(
-                f"'{self.position}' is not a member of Gtk.PositionType",
-                did_you_mean=(self.position, positions.keys()),
-            )
-
-    @docs("mark")
-    def ref_docs(self):
-        return get_docs_section("Syntax ExtScaleMarks")
-
-
-class ExtScaleMarks(AstNode):
-    grammar = [
-        Keyword("marks"),
-        Match("[").expected(),
-        Until(ExtScaleMark, "]", ","),
-    ]
-
-    @property
-    def marks(self) -> T.List[ExtScaleMark]:
-        return self.children
-
-    @property
-    def document_symbol(self) -> DocumentSymbol:
-        return DocumentSymbol(
-            "marks",
-            SymbolKind.Array,
-            self.range,
-            self.group.tokens["marks"].range,
-        )
-
-    @validate("marks")
-    def container_is_size_group(self):
-        validate_parent_type(self, "Gtk", "Scale", "scale marks")
-
-    @validate("marks")
-    def unique_in_parent(self):
-        self.validate_unique_in_parent("Duplicate 'marks' block")
-
-    @docs("marks")
-    def ref_docs(self):
-        return get_docs_section("Syntax ExtScaleMarks")
-
-
-@completer(
-    applies_in=[ObjectContent],
-    applies_in_subclass=("Gtk", "Scale"),
-    matches=new_statement_patterns,
-)
-def complete_marks(lsp, ast_node, match_variables):
-    yield Completion("marks", CompletionItemKind.Keyword, snippet="marks [\n\t$0\n]")
-
-
-@completer(
-    applies_in=[ExtScaleMarks],
-)
-def complete_mark(lsp, ast_node, match_variables):
-    yield Completion("mark", CompletionItemKind.Keyword, snippet="mark ($0),")
-
-
-@decompiler("marks")
-def decompile_marks(
-    ctx,
-    gir,
-):
-    ctx.print("marks [")
-
-
-@decompiler("mark", cdata=True)
-def decompile_mark(
-    ctx: DecompileCtx,
-    gir,
-    value,
-    position=None,
-    cdata=None,
-    translatable="false",
-    comments=None,
-    context=None,
-):
-    if comments is not None:
-        ctx.print(f"/* Translators: {comments} */")
-
-    text = f"mark ({value}"
-
-    if position:
-        text += f", {position}"
-    elif cdata:
-        text += f", bottom"
-
-    if truthy(translatable):
-        comments, translatable = decompile_translatable(
-            cdata, translatable, context, comments
-        )
-        text += f", {translatable}"
-
-    text += "),"
-    ctx.print(text)

blueprintcompiler/language/gtk_size_group.py

@@ -18,58 +18,32 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
 
-from .common import *
-from .contexts import ScopeCtx
 from .gobject_object import ObjectContent, validate_parent_type
+from .common import *
 
 
 class Widget(AstNode):
     grammar = UseIdent("name")
 
-    @property
-    def name(self) -> str:
-        return self.tokens["name"]
-
-    @property
-    def document_symbol(self) -> DocumentSymbol:
-        return DocumentSymbol(
-            self.name,
-            SymbolKind.Field,
-            self.range,
-            self.group.tokens["name"].range,
-        )
-
-    def get_reference(self, _idx: int) -> T.Optional[LocationLink]:
-        if obj := self.context[ScopeCtx].objects.get(self.name):
-            return LocationLink(self.range, obj.range, obj.ranges["id"])
-        else:
-            return None
-
     @validate("name")
     def obj_widget(self):
-        object = self.context[ScopeCtx].objects.get(self.tokens["name"])
+        object = self.root.objects_by_id.get(self.tokens["name"])
         type = self.root.gir.get_type("Widget", "Gtk")
         if object is None:
             raise CompileError(
                 f"Could not find object with ID {self.tokens['name']}",
-                did_you_mean=(
+                did_you_mean=(self.tokens['name'], self.root.objects_by_id.keys()),
-                    self.tokens["name"],
-                    self.context[ScopeCtx].objects.keys(),
-                ),
             )
         elif object.gir_class and not object.gir_class.assignable_to(type):
             raise CompileError(
                 f"Cannot assign {object.gir_class.full_name} to {type.full_name}"
             )
 
-    @validate("name")
+    def emit_xml(self, xml: XmlEmitter):
-    def unique_in_parent(self):
+        xml.put_self_closing("widget", name=self.tokens["name"])
-        self.validate_unique_in_parent(
-            f"Object '{self.name}' is listed twice", lambda x: x.name == self.name
-        )
 
 
-class ExtSizeGroupWidgets(AstNode):
+class Widgets(AstNode):
     grammar = [
         Keyword("widgets"),
         "[",
@@ -77,15 +51,6 @@ class ExtSizeGroupWidgets(AstNode):
         "]",
     ]
 
-    @property
-    def document_symbol(self) -> DocumentSymbol:
-        return DocumentSymbol(
-            "widgets",
-            SymbolKind.Array,
-            self.range,
-            self.group.tokens["widgets"].range,
-        )
-
     @validate("widgets")
     def container_is_size_group(self):
         validate_parent_type(self, "Gtk", "SizeGroup", "size group properties")
@@ -94,9 +59,11 @@ class ExtSizeGroupWidgets(AstNode):
     def unique_in_parent(self):
         self.validate_unique_in_parent("Duplicate widgets block")
 
-    @docs("widgets")
+    def emit_xml(self, xml: XmlEmitter):
-    def ref_docs(self):
+        xml.start_tag("widgets")
-        return get_docs_section("Syntax ExtSizeGroupWidgets")
+        for child in self.children:
+            child.emit_xml(xml)
+        xml.end_tag()
 
 
 @completer(
@@ -104,15 +71,5 @@ class ExtSizeGroupWidgets(AstNode):
     applies_in_subclass=("Gtk", "SizeGroup"),
     matches=new_statement_patterns,
 )
-def size_group_completer(lsp, ast_node, match_variables):
+def size_group_completer(ast_node, match_variables):
     yield Completion("widgets", CompletionItemKind.Snippet, snippet="widgets [$0]")
-
-
-@decompiler("widgets")
-def size_group_decompiler(ctx, gir: gir.GirContext):
-    ctx.print("widgets [")
-
-
-@decompiler("widget")
-def widget_decompiler(ctx, gir: gir.GirContext, name: str):
-    ctx.print(name + ",")

blueprintcompiler/language/gtk_string_list.py

@@ -18,29 +18,28 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
 
-from .common import *
+from .attributes import BaseTypedAttribute
 from .gobject_object import ObjectContent, validate_parent_type
-from .values import StringValue
+from .values import Value, TranslatedStringValue
+from .common import *
 
 
 class Item(AstNode):
-    grammar = StringValue
+    grammar = VALUE_HOOKS
 
     @property
-    def child(self) -> StringValue:
+    def value_type(self):
-        return self.children[StringValue][0]
+        return StringType()
 
-    @property
+    def emit_xml(self, xml: XmlEmitter):
-    def document_symbol(self) -> DocumentSymbol:
+        value = self.children[Value][0]
-        return DocumentSymbol(
+        attrs = value.attrs if isinstance(value, TranslatedStringValue) else {}
-            self.child.range.text,
+        xml.start_tag("item", **attrs)
-            SymbolKind.String,
+        value.emit_xml(xml)
-            self.range,
+        xml.end_tag()
-            self.range,
-        )
 
 
-class ExtStringListStrings(AstNode):
+class Strings(AstNode):
     grammar = [
         Keyword("strings"),
         "[",
@@ -48,16 +47,7 @@ class ExtStringListStrings(AstNode):
         "]",
     ]
 
-    @property
+    @validate("items")
-    def document_symbol(self) -> DocumentSymbol:
-        return DocumentSymbol(
-            "strings",
-            SymbolKind.Array,
-            self.range,
-            self.group.tokens["strings"].range,
-        )
-
-    @validate("strings")
     def container_is_string_list(self):
         validate_parent_type(self, "Gtk", "StringList", "StringList items")
 
@@ -65,9 +55,11 @@ class ExtStringListStrings(AstNode):
     def unique_in_parent(self):
         self.validate_unique_in_parent("Duplicate strings block")
 
-    @docs("strings")
+    def emit_xml(self, xml: XmlEmitter):
-    def ref_docs(self):
+        xml.start_tag("items")
-        return get_docs_section("Syntax ExtStringListStrings")
+        for child in self.children:
+            child.emit_xml(xml)
+        xml.end_tag()
 
 
 @completer(
@@ -75,27 +67,8 @@ class ExtStringListStrings(AstNode):
     applies_in_subclass=("Gtk", "StringList"),
     matches=new_statement_patterns,
 )
-def strings_completer(lsp, ast_node, match_variables):
+def strings_completer(ast_node, match_variables):
-    yield Completion("strings", CompletionItemKind.Snippet, snippet="strings [$0]")
+    yield Completion(
-
+        "strings", CompletionItemKind.Snippet,
-
+        snippet="strings [$0]"
-@decompiler("items", parent_type="Gtk.StringList")
-def decompile_strings(ctx: DecompileCtx, gir: gir.GirContext):
-    ctx.print("strings [")
-
-
-@decompiler("item", cdata=True, parent_type="Gtk.StringList")
-def decompile_item(
-    ctx: DecompileCtx,
-    gir: gir.GirContext,
-    translatable="false",
-    comments=None,
-    context=None,
-    cdata=None,
-):
-    comments, translatable = decompile_translatable(
-        cdata, translatable, context, comments
     )
-    if comments is not None:
-        ctx.print(comments)
-    ctx.print(translatable + ",")

blueprintcompiler/language/gtk_styles.py

@@ -18,34 +18,18 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
 
-from .common import *
 from .gobject_object import ObjectContent, validate_parent_type
+from .common import *
 
 
 class StyleClass(AstNode):
     grammar = UseQuoted("name")
 
-    @property
+    def emit_xml(self, xml):
-    def name(self) -> str:
+        xml.put_self_closing("class", name=self.tokens["name"])
-        return self.tokens["name"]
-
-    @property
-    def document_symbol(self) -> DocumentSymbol:
-        return DocumentSymbol(
-            self.name,
-            SymbolKind.String,
-            self.range,
-            self.range,
-        )
-
-    @validate("name")
-    def unique_in_parent(self):
-        self.validate_unique_in_parent(
-            f"Duplicate style class '{self.name}'", lambda x: x.name == self.name
-        )
 
 
-class ExtStyles(AstNode):
+class Styles(AstNode):
     grammar = [
         Keyword("styles"),
         "[",
@@ -53,15 +37,6 @@ class ExtStyles(AstNode):
         "]",
     ]
 
-    @property
-    def document_symbol(self) -> DocumentSymbol:
-        return DocumentSymbol(
-            "styles",
-            SymbolKind.Array,
-            self.range,
-            self.group.tokens["styles"].range,
-        )
-
     @validate("styles")
     def container_is_widget(self):
         validate_parent_type(self, "Gtk", "Widget", "style classes")
@@ -70,9 +45,11 @@ class ExtStyles(AstNode):
     def unique_in_parent(self):
         self.validate_unique_in_parent("Duplicate styles block")
 
-    @docs("styles")
+    def emit_xml(self, xml: XmlEmitter):
-    def ref_docs(self):
+        xml.start_tag("style")
-        return get_docs_section("Syntax ExtStyles")
+        for child in self.children:
+            child.emit_xml(xml)
+        xml.end_tag()
 
 
 @completer(
@@ -80,15 +57,14 @@ class ExtStyles(AstNode):
     applies_in_subclass=("Gtk", "Widget"),
     matches=new_statement_patterns,
 )
-def style_completer(lsp, ast_node, match_variables):
+def style_completer(ast_node, match_variables):
-    yield Completion("styles", CompletionItemKind.Keyword, snippet='styles ["$0"]')
+    yield Completion("styles", CompletionItemKind.Keyword, snippet="styles [\"$0\"]")
 
 
 @decompiler("style")
 def decompile_style(ctx, gir):
     ctx.print(f"styles [")
 
-
 @decompiler("class")
 def decompile_style_class(ctx, gir, name):
     ctx.print(f'"{name}",')

blueprintcompiler/language/gtkbuilder_child.py

@@ -20,126 +20,52 @@
 
 from functools import cached_property
 
-from .common import *
 from .gobject_object import Object
-from .response_id import ExtResponse, decompile_response_type
+from .response_id import ResponseId
-
+from .common import *
-ALLOWED_PARENTS: T.List[T.Tuple[str, str]] = [
-    ("Gtk", "Buildable"),
-    ("Gio", "ListStore"),
-]
-
-
-class ChildInternal(AstNode):
-    grammar = ["internal-child", UseIdent("internal_child")]
-
-    @property
-    def internal_child(self) -> str:
-        return self.tokens["internal_child"]
-
-
-class ChildType(AstNode):
-    grammar = UseIdent("child_type").expected("a child type")
-
-    @property
-    def child_type(self) -> str:
-        return self.tokens["child_type"]
-
-
-class ChildExtension(AstNode):
-    grammar = ExtResponse
-
-    @property
-    def child(self) -> ExtResponse:
-        return self.children[0]
-
-    @docs()
-    def ref_docs(self):
-        return get_docs_section("Syntax ChildExtension")
-
-
-class ChildAnnotation(AstNode):
-    grammar = ["[", AnyOf(ChildInternal, ChildExtension, ChildType), "]"]
-
-    @property
-    def child(self) -> T.Union[ChildInternal, ChildExtension, ChildType]:
-        return self.children[0]
 
 
 class Child(AstNode):
     grammar = [
-        Optional(ChildAnnotation),
+        Optional([
+            "[",
+            Optional(["internal-child", UseLiteral("internal_child", True)]),
+            UseIdent("child_type").expected("a child type"),
+            Optional(ResponseId),
+            "]",
+        ]),
         Object,
     ]
 
-    @property
-    def annotation(self) -> T.Optional[ChildAnnotation]:
-        annotations = self.children[ChildAnnotation]
-        return annotations[0] if len(annotations) else None
-
-    @property
-    def object(self) -> Object:
-        return self.children[Object][0]
-
-    @validate()
-    def parent_can_have_child(self):
-        if gir_class := self.parent.gir_class:
-            for namespace, name in ALLOWED_PARENTS:
-                parent_type = self.root.gir.get_type(name, namespace)
-                if gir_class.assignable_to(parent_type):
-                    break
-            else:
-                hints = [
-                    "only Gio.ListStore or Gtk.Buildable implementors can have children"
-                ]
-                if hasattr(gir_class, "properties") and "child" in gir_class.properties:
-                    hints.append(
-                        "did you mean to assign this object to the 'child' property?"
-                    )
-                raise CompileError(
-                    f"{gir_class.full_name} doesn't have children",
-                    hints=hints,
-                )
-
     @cached_property
-    def response_id(self) -> T.Optional[ExtResponse]:
+    def response_id(self) -> T.Optional[ResponseId]:
         """Get action widget's response ID.
 
         If child is not action widget, returns `None`.
         """
-        if (
+        response_ids = self.children[ResponseId]
-            self.annotation is not None
+
-            and isinstance(self.annotation.child, ChildExtension)
+        if response_ids:
-            and isinstance(self.annotation.child.child, ExtResponse)
+            return response_ids[0]
-        ):
-            return self.annotation.child.child
         else:
             return None
 
-    @validate()
+    def emit_xml(self, xml: XmlEmitter):
-    def internal_child_unique(self):
+        child_type = internal_child = None
-        if self.annotation is not None:
+        if self.tokens["internal_child"]:
-            if isinstance(self.annotation.child, ChildInternal):
+            internal_child = self.tokens["child_type"]
-                internal_child = self.annotation.child.internal_child
+        else:
-                self.validate_unique_in_parent(
+            child_type = self.tokens["child_type"]
-                    f"Duplicate internal child '{internal_child}'",
+        xml.start_tag("child", type=child_type, internal_child=internal_child)
-                    lambda x: (
+        for child in self.children:
-                        x.annotation
+            child.emit_xml(xml)
-                        and isinstance(x.annotation.child, ChildInternal)
+        xml.end_tag()
-                        and x.annotation.child.internal_child == internal_child
-                    ),
-                )
 
 
-@decompiler("child", element=True)
+@decompiler("child")
-def decompile_child(ctx, gir, element):
+def decompile_child(ctx, gir, type=None, internal_child=None):
-    if type := element["type"]:
+    if type is not None:
-        if type == "action":
-            if decompiled := decompile_response_type(ctx.parent_node, element):
-                ctx.print(decompiled)
-                return
-
         ctx.print(f"[{type}]")
-    elif internal_child := element["internal-child"]:
+    elif internal_child is not None:
         ctx.print(f"[internal-child {internal_child}]")
     return gir

blueprintcompiler/language/gtkbuilder_template.py

@@ -17,93 +17,46 @@
 #
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
-import typing as T
 
-from blueprintcompiler.language.common import GirType
-
-from ..gir import TemplateType
-from .common import *
 from .gobject_object import Object, ObjectContent
-from .types import ClassName, TemplateClassName
+from .common import *
 
 
 class Template(Object):
     grammar = [
-        UseExact("id", "template"),
+        "template",
-        to_parse_node(TemplateClassName).expected("template type"),
+        UseIdent("name").expected("template class name"),
-        Optional(
+        Optional([
-            [
+            Match(":"),
-                Match(":"),
+            class_name.expected("parent class"),
-                to_parse_node(ClassName).expected("parent class"),
+        ]),
-            ]
-        ),
         ObjectContent,
     ]
 
-    @property
-    def id(self) -> str:
-        return "template"
-
-    @property
-    def signature(self) -> str:
-        if self.parent_type and self.parent_type.gir_type:
-            return f"template {self.class_name.as_string} : {self.parent_type.gir_type.full_name}"
-        else:
-            return f"template {self.class_name.as_string}"
-
-    @property
-    def document_symbol(self) -> DocumentSymbol:
-        return DocumentSymbol(
-            self.signature,
-            SymbolKind.Object,
-            self.range,
-            self.group.tokens["id"].range,
-        )
-
-    @property
-    def gir_class(self) -> GirType:
-        if isinstance(self.class_name.gir_type, ExternType):
-            if gir := self.parent_type:
-                return TemplateType(self.class_name.gir_type.full_name, gir.gir_type)
-        return self.class_name.gir_type
-
-    @property
-    def parent_type(self) -> T.Optional[ClassName]:
-        if len(self.children[ClassName]) == 2:
-            return self.children[ClassName][1]
-        else:
-            return None
-
     @validate()
-    def parent_only_if_extern(self):
+    def not_abstract(self):
-        if not isinstance(self.class_name.gir_type, ExternType):
+        pass # does not apply to templates
-            if self.parent_type is not None:
-                raise CompileError(
-                    "Parent type may only be specified if the template type is extern"
-                )
 
-    @validate("id")
+    @validate("name")
     def unique_in_parent(self):
-        self.validate_unique_in_parent(
+        self.validate_unique_in_parent(f"Only one template may be defined per file, but this file contains {len(self.parent.children[Template])}",)
-            f"Only one template may be defined per file, but this file contains {len(self.parent.children[Template])}",
-        )
 
-    @docs("id")
+    def emit_xml(self, xml: XmlEmitter):
-    def ref_docs(self):
+        xml.start_tag(
-        return get_docs_section("Syntax Template")
+            "template",
+            **{"class": self.tokens["name"]},
+            parent=self.gir_class or self.tokens["class_name"]
+        )
+        for child in self.children:
+            child.emit_xml(xml)
+        xml.end_tag()
 
 
 @decompiler("template")
-def decompile_template(ctx: DecompileCtx, gir, klass, parent=None):
+def decompile_template(ctx: DecompileCtx, gir, klass, parent="Widget"):
-    def class_name(cname: str) -> str:
+    gir_class = ctx.type_by_cname(parent)
-        if gir := ctx.type_by_cname(cname):
+    if gir_class is None:
-            return decompile.full_name(gir)
+        ctx.print(f"template {klass} : .{parent} {{")
-        else:
-            return "$" + cname
-
-    if parent is None:
-        ctx.print(f"template {class_name(klass)} {{")
     else:
-        ctx.print(f"template {class_name(klass)} : {class_name(parent)} {{")
+        ctx.print(f"template {klass} : {decompile.full_name(gir_class)} {{")
-
+    return gir_class
-    return ctx.type_by_cname(klass) or ctx.type_by_cname(parent)

blueprintcompiler/language/imports.py

@@ -24,47 +24,37 @@ from .common import *
 
 class GtkDirective(AstNode):
     grammar = Statement(
-        Match("using").err(
+        Match("using").err("File must start with a \"using Gtk\" directive (e.g. `using Gtk 4.0;`)"),
-            'File must start with a "using Gtk" directive (e.g. `using Gtk 4.0;`)'
+        Match("Gtk").err("File must start with a \"using Gtk\" directive (e.g. `using Gtk 4.0;`)"),
-        ),
-        Match("Gtk").err(
-            'File must start with a "using Gtk" directive (e.g. `using Gtk 4.0;`)'
-        ),
         UseNumberText("version").expected("a version number for GTK"),
     )
 
     @validate("version")
     def gtk_version(self):
-        version = self.tokens["version"]
+        if self.tokens["version"] not in ["4.0"]:
-        if version not in ["4.0"]:
             err = CompileError("Only GTK 4 is supported")
-            if version and version.startswith("4"):
+            if self.tokens["version"].startswith("4"):
-                err.hint(
+                err.hint("Expected the GIR version, not an exact version number. Use 'using Gtk 4.0;'.")
-                    "Expected the GIR version, not an exact version number. Use 'using Gtk 4.0;'."
-                )
             else:
                 err.hint("Expected 'using Gtk 4.0;'")
             raise err
 
         try:
-            gir.get_namespace("Gtk", version)
+            gir.get_namespace("Gtk", self.tokens["version"])
-        except CompileError as e:
+        except:
-            raise CompileError(
+            raise CompileError("Could not find GTK 4 introspection files. Is gobject-introspection installed?", fatal=True)
-                "Could not find GTK 4 introspection files. Is gobject-introspection installed?",
+
-                fatal=True,
-                # preserve the hints from the original error, because it contains
-                # useful debugging information
-                hints=e.hints,
-            )
 
     @property
     def gir_namespace(self):
-        # For better error handling, just assume it's 4.0
+        # validate the GTK version first to make sure the more specific error
-        return gir.get_namespace("Gtk", "4.0")
+        # message is emitted
+        self.gtk_version()
+        return gir.get_namespace("Gtk", self.tokens["version"])
 
-    @docs()
+
-    def ref_docs(self):
+    def emit_xml(self, xml: XmlEmitter):
-        return get_docs_section("Syntax GtkDecl")
+        xml.put_self_closing("requires", lib="gtk", version=self.tokens["version"])
 
 
 class Import(AstNode):
@@ -74,36 +64,16 @@ class Import(AstNode):
         UseNumberText("version").expected("a version number"),
     )
 
-    @property
-    def namespace(self):
-        return self.tokens["namespace"]
-
-    @property
-    def version(self):
-        return self.tokens["version"]
-
     @validate("namespace", "version")
     def namespace_exists(self):
-        gir.get_namespace(self.namespace, self.version)
+        gir.get_namespace(self.tokens["namespace"], self.tokens["version"])
-
-    @validate()
-    def unused(self):
-        if self.namespace not in self.root.used_imports:
-            raise UnusedWarning(
-                f"Unused import: {self.namespace}",
-                self.range,
-                actions=[
-                    CodeAction("Remove import", "", self.range.with_trailing_newline)
-                ],
-            )
 
     @property
     def gir_namespace(self):
         try:
-            return gir.get_namespace(self.namespace, self.version)
+            return gir.get_namespace(self.tokens["namespace"], self.tokens["version"])
         except CompileError:
             return None
 
-    @docs()
+    def emit_xml(self, xml):
-    def ref_docs(self):
+        pass
-        return get_docs_section("Syntax Using")

blueprintcompiler/language/response_id.py

@@ -23,25 +23,33 @@ import typing as T
 from .common import *
 
 
-class ExtResponse(AstNode):
+class ResponseId(AstNode):
     """Response ID of action widget."""
 
-    ALLOWED_PARENTS: T.List[T.Tuple[str, str]] = [("Gtk", "Dialog"), ("Gtk", "InfoBar")]
+    ALLOWED_PARENTS: T.List[T.Tuple[str, str]] = [
+        ("Gtk", "Dialog"),
+        ("Gtk", "InfoBar")
+    ]
 
     grammar = [
-        Keyword("action"),
         Keyword("response"),
         "=",
         AnyOf(
             UseIdent("response_id"),
-            [
+            UseNumber("response_id")
-                Optional(UseExact("sign", "-")),
-                UseNumber("response_id"),
-            ],
         ),
-        Optional([Keyword("default"), UseLiteral("is_default", True)]),
+        Optional([
+            Keyword("default"), UseLiteral("is_default", True)
+        ])
     ]
 
+    @validate()
+    def child_type_is_action(self) -> None:
+        """Check that child type is "action"."""
+        child_type = self.parent.tokens["child_type"]
+        if child_type != "action":
+            raise CompileError(f"Only action widget can have response ID")
+
     @validate()
     def parent_has_action_widgets(self) -> None:
         """Chech that parent widget has allowed type."""
@@ -53,7 +61,7 @@ class ExtResponse(AstNode):
 
         gir = self.root.gir
 
-        for namespace, name in ExtResponse.ALLOWED_PARENTS:
+        for namespace, name in ResponseId.ALLOWED_PARENTS:
             parent_type = gir.get_type(name, namespace)
             if container_type.assignable_to(parent_type):
                 break
@@ -65,10 +73,10 @@ class ExtResponse(AstNode):
     @validate()
     def widget_have_id(self) -> None:
         """Check that action widget have ID."""
-        from .gtkbuilder_child import Child
+        from .gobject_object import Object
 
-        object = self.parent_by_type(Child).object
+        _object = self.parent.children[Object][0]
-        if object.id is None:
+        if _object.tokens["id"] is None:
             raise CompileError(f"Action widget must have ID")
 
     @validate("response_id")
@@ -81,24 +89,28 @@ class ExtResponse(AstNode):
         gir = self.root.gir
         response = self.tokens["response_id"]
 
-        if self.tokens["sign"] == "-":
+        if isinstance(response, int):
-            raise CompileError("Numeric response type can't be negative")
+            if response < 0:
-
+                raise CompileError(
-        if isinstance(response, float):
+                    "Numeric response type can't be negative")
+        elif isinstance(response, float):
             raise CompileError(
-                "Response type must be GtkResponseType member or integer," " not float"
+                "Response type must be GtkResponseType member or integer,"
+                " not float"
             )
-        elif not isinstance(response, int):
+        else:
             responses = gir.get_type("ResponseType", "Gtk").members.keys()
             if response not in responses:
-                raise CompileError(f'Response type "{response}" doesn\'t exist')
+                raise CompileError(
+                    f"Response type \"{response}\" doesn't exist")
 
     @validate("default")
     def no_multiple_default(self) -> None:
         """Only one action widget in dialog can be default."""
+        from .gtkbuilder_child import Child
         from .gobject_object import Object
 
-        if not self.is_default:
+        if not self.tokens["is_default"]:
             return
 
         action_widgets = self.parent_by_type(Object).action_widgets
@@ -108,57 +120,33 @@ class ExtResponse(AstNode):
             if widget.tokens["is_default"]:
                 raise CompileError("Default response is already set")
 
-    @property
-    def response_id(self) -> str:
-        return self.tokens["response_id"]
-
-    @property
-    def is_default(self) -> bool:
-        return self.tokens["is_default"] or False
-
     @property
     def widget_id(self) -> str:
         """Get action widget ID."""
-        from .gtkbuilder_child import Child
+        from .gobject_object import Object
 
-        object = self.parent_by_type(Child).object
+        _object: Object = self.parent.children[Object][0]
-        return object.id
+        return _object.tokens["id"]
 
-    @docs()
+    def emit_xml(self, xml: XmlEmitter) -> None:
-    def ref_docs(self):
+        """Emit nothing.
-        return get_docs_section("Syntax ExtResponse")
 
-    @docs("response_id")
+        Response ID don't have to emit any XML in place,
-    def response_id_docs(self):
+        but have to emit action-widget tag in separate
-        if enum := self.root.gir.get_type("ResponseType", "Gtk"):
+        place (see `ResponseId.emit_action_widget`)
-            if member := enum.members.get(self.response_id, None):
+        """
-                return member.doc
 
+    def emit_action_widget(self, xml: XmlEmitter) -> None:
+        """Emit action-widget XML.
 
-def decompile_response_type(parent_element, child_element):
+        Must be called while <action-widgets> tag is open.
-    obj_id = None
-    for obj in child_element.children:
-        if obj.tag == "object":
-            obj_id = obj["id"]
-            break
 
-    if obj_id is None:
+        For more details see `GtkDialog` and `GtkInfoBar` docs.
-        return None
+        """
-
+        xml.start_tag(
-    for child in parent_element.children:
+            "action-widget",
-        if child.tag == "action-widgets":
+            response=self.tokens["response_id"],
-            for action_widget in child.children:
+            default=self.tokens["is_default"]
-                if action_widget.cdata == obj_id:
+        )
-                    response_id = action_widget["response"]
+        xml.put_text(self.widget_id)
-                    is_default = (
+        xml.end_tag()
-                        " default" if decompile.truthy(action_widget["default"]) else ""
-                    )
-                    return f"[action response={response_id}{is_default}]"
-
-    return None
-
-
-@decompiler("action-widgets", skip_children=True)
-def decompile_action_widgets(ctx, gir):
-    # This is handled in the <child> decompiler and decompile_response_type above
-    pass

blueprintcompiler/language/types.py

@@ -1,184 +0,0 @@
-# types.py
-#
-# Copyright 2022 James Westman <james@jwestman.net>
-#
-# This file is free software; you can redistribute it and/or modify it
-# under the terms of the GNU Lesser General Public License as
-# published by the Free Software Foundation; either version 3 of the
-# License, or (at your option) any later version.
-#
-# This file is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-# Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
-# SPDX-License-Identifier: LGPL-3.0-or-later
-
-
-from ..gir import Class, ExternType, Interface
-from .common import *
-
-
-class TypeName(AstNode):
-    grammar = AnyOf(
-        [
-            UseIdent("namespace"),
-            ".",
-            UseIdent("class_name"),
-        ],
-        [
-            AnyOf("$", [".", UseLiteral("old_extern", True)]),
-            UseIdent("class_name"),
-            UseLiteral("extern", True),
-        ],
-        UseIdent("class_name"),
-    )
-
-    @validate()
-    def old_extern(self):
-        if self.tokens["old_extern"]:
-            raise UpgradeWarning(
-                "Use the '$' extern syntax introduced in blueprint 0.8.0",
-                actions=[CodeAction("Use '$' syntax", "$" + self.tokens["class_name"])],
-            )
-
-    @validate("class_name")
-    def type_exists(self):
-        if not self.tokens["extern"] and self.gir_ns is not None:
-            self.root.gir.validate_type(
-                self.tokens["class_name"], self.tokens["namespace"]
-            )
-
-    @validate("namespace")
-    def gir_ns_exists(self):
-        if not self.tokens["extern"]:
-            try:
-                self.root.gir.validate_ns(self.tokens["namespace"])
-            except CompileError as e:
-                ns = self.tokens["namespace"]
-                e.actions = [
-                    self.root.import_code_action(n, version)
-                    for n, version in gir.get_available_namespaces()
-                    if n == ns
-                ]
-                raise e
-
-    @validate()
-    def deprecated(self) -> None:
-        if self.gir_type and self.gir_type.deprecated:
-            hints = []
-            if self.gir_type.deprecated_doc:
-                hints.append(self.gir_type.deprecated_doc)
-            raise DeprecatedWarning(
-                f"{self.gir_type.full_name} is deprecated",
-                hints=hints,
-            )
-
-    @property
-    def gir_ns(self) -> T.Optional[gir.Namespace]:
-        if not self.tokens["extern"]:
-            return self.root.gir.namespaces.get(self.tokens["namespace"] or "Gtk")
-        return None
-
-    @property
-    def gir_type(self) -> gir.GirType:
-        if self.tokens["class_name"] and not self.tokens["extern"]:
-            return self.root.gir.get_type(
-                self.tokens["class_name"], self.tokens["namespace"]
-            )
-
-        return gir.ExternType(self.tokens["class_name"])
-
-    @property
-    def glib_type_name(self) -> str:
-        if gir_type := self.gir_type:
-            return gir_type.glib_type_name
-        else:
-            return self.tokens["class_name"]
-
-    @docs("namespace")
-    def namespace_docs(self):
-        if ns := self.root.gir.namespaces.get(self.tokens["namespace"]):
-            return ns.doc
-
-    @docs("class_name")
-    def class_docs(self):
-        if self.gir_type:
-            return self.gir_type.doc
-
-    @property
-    def as_string(self) -> str:
-        if self.tokens["extern"]:
-            return "$" + self.tokens["class_name"]
-        elif self.tokens["namespace"]:
-            return f"{self.tokens['namespace']}.{self.tokens['class_name']}"
-        else:
-            return self.tokens["class_name"]
-
-
-class ClassName(TypeName):
-    @validate("namespace", "class_name")
-    def gir_class_exists(self):
-        if (
-            self.gir_type is not None
-            and not isinstance(self.gir_type, ExternType)
-            and not isinstance(self.gir_type, Class)
-        ):
-            if isinstance(self.gir_type, Interface):
-                raise CompileError(
-                    f"{self.gir_type.full_name} is an interface, not a class"
-                )
-            else:
-                raise CompileError(f"{self.gir_type.full_name} is not a class")
-
-
-class ConcreteClassName(ClassName):
-    @validate("namespace", "class_name")
-    def not_abstract(self):
-        if isinstance(self.gir_type, Class) and self.gir_type.abstract:
-            raise CompileError(
-                f"{self.gir_type.full_name} can't be instantiated because it's abstract",
-                hints=[f"did you mean to use a subclass of {self.gir_type.full_name}?"],
-            )
-
-
-class TemplateClassName(ClassName):
-    """Handles the special case of a template type. The old syntax uses an identifier,
-    which is ambiguous with the new syntax. So this class displays an appropriate
-    upgrade warning instead of a class not found error."""
-
-    @property
-    def is_legacy(self):
-        return (
-            self.tokens["extern"] is None
-            and self.tokens["namespace"] is None
-            and self.root.gir.get_type(self.tokens["class_name"], "Gtk") is None
-        )
-
-    @property
-    def gir_type(self) -> gir.GirType:
-        if self.is_legacy:
-            return gir.ExternType(self.tokens["class_name"])
-        else:
-            return super().gir_type
-
-    @validate("class_name")
-    def type_exists(self):
-        if self.is_legacy:
-            if type := self.root.gir.get_type_by_cname(self.tokens["class_name"]):
-                replacement = type.full_name
-            else:
-                replacement = "$" + self.tokens["class_name"]
-
-            raise UpgradeWarning(
-                "Use type syntax here (introduced in blueprint 0.8.0)",
-                actions=[CodeAction("Use type syntax", replace_with=replacement)],
-            )
-
-        if not self.tokens["extern"] and self.gir_ns is not None:
-            self.root.gir.validate_type(
-                self.tokens["class_name"], self.tokens["namespace"]
-            )

blueprintcompiler/language/ui.py

@@ -17,44 +17,32 @@
 #
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
-from functools import cached_property
 
 from .. import gir
-from .common import *
-from .contexts import ScopeCtx
-from .gobject_object import Object
-from .gtk_menu import Menu, menu
-from .gtkbuilder_template import Template
 from .imports import GtkDirective, Import
-from .translation_domain import TranslationDomain
+from .gtkbuilder_template import Template
-from .types import TypeName
+from .common import *
 
 
 class UI(AstNode):
-    """The AST node for the entire file"""
+    """ The AST node for the entire file """
 
     grammar = [
         GtkDirective,
         ZeroOrMore(Import),
-        Optional(TranslationDomain),
+        Until(AnyOf(
-        Until(
+            Template,
-            AnyOf(
+            OBJECT_HOOKS,
-                Template,
+        ), Eof()),
-                menu,
-                Object,
-            ),
-            Eof(),
-        ),
     ]
 
-    @cached_property
+    @property
-    def gir(self) -> gir.GirContext:
+    def gir(self):
         gir_ctx = gir.GirContext()
         self._gir_errors = []
 
         try:
-            if gtk := self.children[GtkDirective][0].gir_namespace:
+            gir_ctx.add_namespace(self.children[GtkDirective][0].gir_namespace)
-                gir_ctx.add_namespace(gtk)
         except CompileError as e:
             self._gir_errors.append(e)
 
@@ -62,85 +50,18 @@ class UI(AstNode):
             try:
                 if i.gir_namespace is not None:
                     gir_ctx.add_namespace(i.gir_namespace)
-                else:
-                    gir_ctx.not_found_namespaces.add(i.namespace)
             except CompileError as e:
-                e.range = i.range
+                e.start = i.group.tokens["namespace"].start
+                e.end = i.group.tokens["version"].end
                 self._gir_errors.append(e)
 
         return gir_ctx
 
-    @property
-    def using(self) -> T.List[Import]:
-        return self.children[Import]
 
     @property
-    def gtk_decl(self) -> GtkDirective:
+    def objects_by_id(self):
-        return self.children[GtkDirective][0]
+        return { obj.tokens["id"]: obj for obj in self.iterate_children_recursive() if obj.tokens["id"] is not None }
 
-    @property
-    def translation_domain(self) -> T.Optional[TranslationDomain]:
-        domains = self.children[TranslationDomain]
-        if len(domains):
-            return domains[0]
-        else:
-            return None
-
-    @property
-    def contents(self) -> T.List[T.Union[Object, Template, Menu]]:
-        return [
-            child
-            for child in self.children
-            if isinstance(child, Object)
-            or isinstance(child, Template)
-            or isinstance(child, Menu)
-        ]
-
-    @property
-    def template(self) -> T.Optional[Template]:
-        if len(self.children[Template]):
-            return self.children[Template][0]
-        else:
-            return None
-
-    def is_legacy_template(self, id: str) -> bool:
-        return (
-            id not in self.context[ScopeCtx].objects
-            and self.template is not None
-            and self.template.class_name.glib_type_name == id
-        )
-
-    def import_code_action(self, ns: str, version: str) -> CodeAction:
-        if len(self.children[Import]):
-            pos = self.children[Import][-1].range.end
-        else:
-            pos = self.children[GtkDirective][0].range.end
-
-        return CodeAction(
-            f"Import {ns} {version}",
-            f"\nusing {ns} {version};",
-            Range(pos, pos, self.group.text),
-        )
-
-    @cached_property
-    def used_imports(self) -> T.Optional[T.Set[str]]:
-        def _iter_recursive(node: AstNode):
-            yield node
-            for child in node.children:
-                if isinstance(child, AstNode):
-                    yield from _iter_recursive(child)
-
-        result = set()
-        for node in _iter_recursive(self):
-            if isinstance(node, TypeName):
-                ns = node.gir_ns
-                if ns is not None:
-                    result.add(ns.name)
-        return result
-
-    @context(ScopeCtx)
-    def scope_ctx(self) -> ScopeCtx:
-        return ScopeCtx(node=self)
 
     @validate()
     def gir_errors(self):
@@ -149,6 +70,22 @@ class UI(AstNode):
         if len(self._gir_errors):
             raise MultipleErrors(self._gir_errors)
 
+
     @validate()
     def unique_ids(self):
-        self.context[ScopeCtx].validate_unique_ids()
+        passed = {}
+        for obj in self.iterate_children_recursive():
+            if obj.tokens["id"] is None:
+                continue
+
+            if obj.tokens["id"] in passed:
+                token = obj.group.tokens["id"]
+                raise CompileError(f"Duplicate object ID '{obj.tokens['id']}'", token.start, token.end)
+            passed[obj.tokens["id"]] = obj
+
+
+    def emit_xml(self, xml: XmlEmitter):
+        xml.start_tag("interface")
+        for x in self.children:
+            x.emit_xml(xml)
+        xml.end_tag()

blueprintcompiler/language/values.py

@@ -17,233 +17,101 @@
 #
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
-import typing as T
-
-from blueprintcompiler.gir import ArrayType
-from blueprintcompiler.lsp_utils import SemanticToken
 
 from .common import *
-from .contexts import ExprValueCtx, ScopeCtx, ValueTypeCtx
-from .expression import Expression
-from .gobject_object import Object
-from .types import TypeName
 
 
-class Translated(AstNode):
+class Value(AstNode):
+    pass
+
+
+class TranslatedStringValue(Value):
     grammar = AnyOf(
-        ["_", "(", UseQuoted("string"), ")"],
+        [
+            "_",
+            "(",
+            UseQuoted("value").expected("a quoted string"),
+            Match(")").expected(),
+        ],
         [
             "C_",
             "(",
-            UseQuoted("context"),
+            UseQuoted("context").expected("a quoted string"),
             ",",
-            UseQuoted("string"),
+            UseQuoted("value").expected("a quoted string"),
-            ")",
+            Optional(","),
+            Match(")").expected(),
         ],
     )
 
     @property
-    def string(self) -> str:
+    def attrs(self):
-        return self.tokens["string"]
+        attrs = { "translatable": "true" }
+        if "context" in self.tokens:
+            attrs["context"] = self.tokens["context"]
+        return attrs
 
-    @property
+    def emit_xml(self, xml: XmlEmitter):
-    def translate_context(self) -> T.Optional[str]:
+        xml.put_text(self.tokens["value"])
-        return self.tokens["context"]
+
+
+class LiteralValue(Value):
+    grammar = AnyOf(
+        UseNumber("value"),
+        UseQuoted("value"),
+    )
+
+    def emit_xml(self, xml: XmlEmitter):
+        xml.put_text(self.tokens["value"])
 
     @validate()
-    def validate_for_type(self) -> None:
+    def validate_for_type(self):
-        expected_type = self.context[ValueTypeCtx].value_type
+        type = self.parent.value_type
-        if expected_type is not None and not expected_type.assignable_to(StringType()):
+        if isinstance(type, gir.IntType):
-            raise CompileError(
+            try:
-                f"Cannot convert translated string to {expected_type.full_name}"
+                int(self.tokens["value"])
-            )
+            except:
+                raise CompileError(f"Cannot convert {self.group.tokens['value']} to integer")
 
-    @validate("context")
+        elif isinstance(type, gir.UIntType):
-    def context_double_quoted(self):
+            try:
-        if self.translate_context is None:
+                int(self.tokens["value"])
-            return
+                if int(self.tokens["value"]) < 0:
+                    raise Exception()
+            except:
+                raise CompileError(f"Cannot convert {self.group.tokens['value']} to unsigned integer")
 
-        if not str(self.group.tokens["context"]).startswith('"'):
+        elif isinstance(type, gir.FloatType):
-            raise CompileWarning("gettext may not recognize single-quoted strings")
+            try:
+                float(self.tokens["value"])
+            except:
+                raise CompileError(f"Cannot convert {self.group.tokens['value']} to float")
 
-    @validate("string")
+        elif isinstance(type, gir.StringType):
-    def string_double_quoted(self):
-        if not str(self.group.tokens["string"]).startswith('"'):
-            raise CompileWarning("gettext may not recognize single-quoted strings")
-
-    @docs()
-    def ref_docs(self):
-        return get_docs_section("Syntax Translated")
-
-
-class TypeLiteral(AstNode):
-    grammar = [
-        "typeof",
-        AnyOf(
-            [
-                "<",
-                to_parse_node(TypeName).expected("type name"),
-                Match(">").expected(),
-            ],
-            [
-                UseExact("lparen", "("),
-                to_parse_node(TypeName).expected("type name"),
-                UseExact("rparen", ")").expected("')'"),
-            ],
-        ),
-    ]
-
-    @property
-    def type(self):
-        return gir.TypeType()
-
-    @property
-    def type_name(self) -> TypeName:
-        return self.children[TypeName][0]
-
-    @validate()
-    def validate_for_type(self) -> None:
-        expected_type = self.context[ValueTypeCtx].value_type
-        if expected_type is not None and not isinstance(expected_type, gir.TypeType):
-            raise CompileError(f"Cannot convert GType to {expected_type.full_name}")
-
-    @validate("lparen", "rparen")
-    def upgrade_to_angle_brackets(self):
-        if self.tokens["lparen"]:
-            raise UpgradeWarning(
-                "Use angle bracket syntax introduced in blueprint 0.8.0",
-                actions=[
-                    CodeAction(
-                        "Use <> instead of ()",
-                        f"<{self.children[TypeName][0].as_string}>",
-                    )
-                ],
-            )
-
-    @docs()
-    def ref_docs(self):
-        return get_docs_section("Syntax TypeLiteral")
-
-
-class QuotedLiteral(AstNode):
-    grammar = UseQuoted("value")
-
-    @property
-    def value(self) -> str:
-        return self.tokens["value"]
-
-    @property
-    def type(self):
-        return gir.StringType()
-
-    @validate()
-    def validate_for_type(self) -> None:
-        expected_type = self.context[ValueTypeCtx].value_type
-        if (
-            isinstance(expected_type, gir.IntType)
-            or isinstance(expected_type, gir.UIntType)
-            or isinstance(expected_type, gir.FloatType)
-        ):
-            raise CompileError(f"Cannot convert string to number")
-
-        elif isinstance(expected_type, gir.StringType):
             pass
 
-        elif (
+        elif isinstance(type, gir.Class) or isinstance(type, gir.Interface):
-            isinstance(expected_type, gir.Class)
-            or isinstance(expected_type, gir.Interface)
-            or isinstance(expected_type, gir.Boxed)
-        ):
             parseable_types = [
                 "Gdk.Paintable",
                 "Gdk.Texture",
                 "Gdk.Pixbuf",
-                "Gio.File",
+                "GLib.File",
                 "Gtk.ShortcutTrigger",
                 "Gtk.ShortcutAction",
-                "Gdk.RGBA",
-                "Gdk.ContentFormats",
-                "Gsk.Transform",
-                "GLib.Variant",
             ]
-            if expected_type.full_name not in parseable_types:
+            if type.full_name not in parseable_types:
-                hints = []
+                raise CompileError(f"Cannot convert {self.group.tokens['value']} to {type.full_name}")
-                if isinstance(expected_type, gir.TypeType):
-                    hints.append(f"use the typeof operator: 'typeof({self.value})'")
-                raise CompileError(
-                    f"Cannot convert string to {expected_type.full_name}", hints=hints
-                )
 
-        elif expected_type is not None:
+        elif type is not None:
-            raise CompileError(f"Cannot convert string to {expected_type.full_name}")
+            raise CompileError(f"Cannot convert {self.group.tokens['value']} to {type.full_name}")
-
-
-class NumberLiteral(AstNode):
-    grammar = [
-        Optional(AnyOf(UseExact("sign", "-"), UseExact("sign", "+"))),
-        UseNumber("value"),
-    ]
-
-    @property
-    def type(self) -> gir.GirType:
-        if isinstance(self.value, int):
-            return gir.IntType()
-        else:
-            return gir.FloatType()
-
-    @property
-    def value(self) -> T.Union[int, float]:
-        if self.tokens["sign"] == "-":
-            return -self.tokens["value"]
-        else:
-            return self.tokens["value"]
-
-    @validate()
-    def validate_for_type(self) -> None:
-        expected_type = self.context[ValueTypeCtx].value_type
-        if isinstance(expected_type, gir.IntType):
-            if not isinstance(self.value, int):
-                raise CompileError(
-                    f"Cannot convert {self.group.tokens['value']} to integer"
-                )
-
-        elif isinstance(expected_type, gir.UIntType):
-            if self.value < 0:
-                raise CompileError(
-                    f"Cannot convert -{self.group.tokens['value']} to unsigned integer"
-                )
-
-        elif not isinstance(expected_type, gir.FloatType) and expected_type is not None:
-            raise CompileError(f"Cannot convert number to {expected_type.full_name}")
 
 
 class Flag(AstNode):
     grammar = UseIdent("value")
 
-    @property
-    def name(self) -> str:
-        return self.tokens["value"]
-
-    @property
-    def value(self) -> T.Optional[str]:
-        type = self.context[ValueTypeCtx].value_type
-        if not isinstance(type, Enumeration):
-            return None
-        elif member := type.members.get(self.name):
-            return member.nick
-        else:
-            return None
-
-    def get_semantic_tokens(self) -> T.Iterator[SemanticToken]:
-        yield SemanticToken(
-            self.group.tokens["value"].start,
-            self.group.tokens["value"].end,
-            SemanticTokenType.EnumMember,
-        )
-
     @docs()
     def docs(self):
-        type = self.context[ValueTypeCtx].value_type
+        type = self.parent.parent.value_type
         if not isinstance(type, Enumeration):
             return
         if member := type.members.get(self.tokens["value"]):
@@ -251,298 +119,81 @@ class Flag(AstNode):
 
     @validate()
     def validate_for_type(self):
-        expected_type = self.context[ValueTypeCtx].value_type
+        type = self.parent.parent.value_type
-        if (
+        if isinstance(type, gir.Bitfield) and self.tokens["value"] not in type.members:
-            isinstance(expected_type, gir.Bitfield)
-            and self.tokens["value"] not in expected_type.members
-        ):
             raise CompileError(
-                f"{self.tokens['value']} is not a member of {expected_type.full_name}",
+                f"{self.tokens['value']} is not a member of {type.full_name}",
-                did_you_mean=(self.tokens["value"], expected_type.members.keys()),
+                did_you_mean=(self.tokens['value'], type.members.keys()),
             )
 
-    @validate()
-    def unique(self):
-        self.validate_unique_in_parent(
-            f"Duplicate flag '{self.name}'", lambda x: x.name == self.name
-        )
 
-
+class FlagsValue(Value):
-class Flags(AstNode):
+    grammar = [Flag, "|", Delimited(Flag, "|")]
-    grammar = [Flag, "|", Flag, ZeroOrMore(["|", Flag])]
-
-    @property
-    def flags(self) -> T.List[Flag]:
-        return self.children
 
     @validate()
-    def validate_for_type(self) -> None:
+    def parent_is_bitfield(self):
-        expected_type = self.context[ValueTypeCtx].value_type
+        type = self.parent.value_type
-        if expected_type is not None and not isinstance(expected_type, gir.Bitfield):
+        if type is not None and not isinstance(type, gir.Bitfield):
-            raise CompileError(f"{expected_type.full_name} is not a bitfield type")
+            raise CompileError(f"{type.full_name} is not a bitfield type")
 
-    @docs()
+    def emit_xml(self, xml: XmlEmitter):
-    def ref_docs(self):
+        xml.put_text("|".join([flag.tokens["value"] for flag in self.children[Flag]]))
-        return get_docs_section("Syntax Flags")
 
 
-class IdentLiteral(AstNode):
+class IdentValue(Value):
     grammar = UseIdent("value")
 
-    @property
+    def emit_xml(self, xml: XmlEmitter):
-    def ident(self) -> str:
+        if isinstance(self.parent.value_type, gir.Enumeration):
-        return self.tokens["value"]
+            xml.put_text(self.parent.value_type.members[self.tokens["value"]].nick)
-
-    @property
-    def type(self) -> T.Optional[gir.GirType]:
-        # If the expected type is known, then use that. Otherwise, guess.
-        if expected_type := self.context[ValueTypeCtx].value_type:
-            return expected_type
-        elif self.ident in ["true", "false"]:
-            return gir.BoolType()
-        elif object := self.context[ScopeCtx].objects.get(self.ident):
-            return object.gir_class
-        elif self.root.is_legacy_template(self.ident):
-            return self.root.template.class_name.gir_type
         else:
-            return None
+            xml.put_text(self.tokens["value"])
 
     @validate()
-    def validate_for_type(self) -> None:
+    def validate_for_type(self):
-        expected_type = self.context[ValueTypeCtx].value_type
+        type = self.parent.value_type
-        if isinstance(expected_type, gir.BoolType):
-            if self.ident not in ["true", "false"]:
-                raise CompileError(f"Expected 'true' or 'false' for boolean value")
 
-        elif isinstance(expected_type, gir.Enumeration):
+        if isinstance(type, gir.Enumeration) or isinstance(type, gir.Bitfield):
-            if self.ident not in expected_type.members:
+            if self.tokens["value"] not in type.members:
                 raise CompileError(
-                    f"{self.ident} is not a member of {expected_type.full_name}",
+                    f"{self.tokens['value']} is not a member of {type.full_name}",
-                    did_you_mean=(self.ident, list(expected_type.members.keys())),
+                    did_you_mean=(self.tokens['value'], type.members.keys()),
                 )
 
-        elif self.root.is_legacy_template(self.ident):
+        elif isinstance(type, gir.BoolType):
-            raise UpgradeWarning(
+            if self.tokens["value"] not in ["true", "false"]:
-                "Use 'template' instead of the class name (introduced in 0.8.0)",
+                raise CompileError(
-                actions=[CodeAction("Use 'template'", "template")],
+                    f"Expected 'true' or 'false' for boolean value",
-            )
+                    did_you_mean=(self.tokens['value'], ["true", "false"]),
+                )
 
-        elif expected_type is not None or self.context[ValueTypeCtx].must_infer_type:
+        elif type is not None:
-            object = self.context[ScopeCtx].objects.get(self.ident)
+            object = self.root.objects_by_id.get(self.tokens["value"])
             if object is None:
-                if self.ident == "null":
-                    if not self.context[ValueTypeCtx].allow_null:
-                        raise CompileError("null is not permitted here")
-                elif self.ident == "item":
-                    if not self.context[ExprValueCtx]:
-                        raise CompileError(
-                            '"item" can only be used in an expression literal'
-                        )
-                elif self.ident not in ["true", "false"]:
-                    raise CompileError(
-                        f"Could not find object with ID {self.ident}",
-                        did_you_mean=(
-                            self.ident,
-                            self.context[ScopeCtx].objects.keys(),
-                        ),
-                    )
-            elif (
-                expected_type is not None
-                and object.gir_class is not None
-                and not object.gir_class.assignable_to(expected_type)
-            ):
                 raise CompileError(
-                    f"Cannot assign {object.gir_class.full_name} to {expected_type.full_name}"
+                    f"Could not find object with ID {self.tokens['value']}",
+                    did_you_mean=(self.tokens['value'], self.root.objects_by_id.keys()),
                 )
+            elif object.gir_class and not object.gir_class.assignable_to(type):
+                raise CompileError(
+                    f"Cannot assign {object.gir_class.full_name} to {type.full_name}"
+                )
+
 
     @docs()
-    def docs(self) -> T.Optional[str]:
+    def docs(self):
-        expected_type = self.context[ValueTypeCtx].value_type
+        type = self.parent.value_type
-        if isinstance(expected_type, gir.BoolType):
+        if isinstance(type, gir.Enumeration) or isinstance(type, gir.Bitfield):
-            return None
+            if member := type.members.get(self.tokens["value"]):
-        elif isinstance(expected_type, gir.Enumeration):
-            if member := expected_type.members.get(self.ident):
                 return member.doc
             else:
-                return expected_type.doc
+                return type.doc
-        elif self.ident == "null" and self.context[ValueTypeCtx].allow_null:
+        elif isinstance(type, gir.GirNode):
-            return None
+            return type.doc
-        elif object := self.context[ScopeCtx].objects.get(self.ident):
+
-            return f"```\n{object.signature}\n```"
-        elif self.root.is_legacy_template(self.ident):
-            return f"```\n{self.root.template.signature}\n```"
-        else:
-            return None
 
     def get_semantic_tokens(self) -> T.Iterator[SemanticToken]:
-        type = self.context[ValueTypeCtx].value_type
+        if isinstance(self.parent.value_type, gir.Enumeration):
-        if isinstance(type, gir.Enumeration):
             token = self.group.tokens["value"]
             yield SemanticToken(token.start, token.end, SemanticTokenType.EnumMember)
 
-    def get_reference(self, _idx: int) -> T.Optional[LocationLink]:
-        ref = self.context[ScopeCtx].objects.get(self.ident)
-        if ref is None and self.root.is_legacy_template(self.ident):
-            ref = self.root.template
-
-        if ref:
-            return LocationLink(self.range, ref.range, ref.ranges["id"])
-        else:
-            return None
-
-
-class Literal(AstNode):
-    grammar = AnyOf(
-        TypeLiteral,
-        QuotedLiteral,
-        NumberLiteral,
-        IdentLiteral,
-    )
-
-    @property
-    def value(
-        self,
-    ) -> T.Union[TypeLiteral, QuotedLiteral, NumberLiteral, IdentLiteral]:
-        return self.children[0]
-
-
-class ObjectValue(AstNode):
-    grammar = Object
-
-    @property
-    def object(self) -> Object:
-        return self.children[Object][0]
-
-    @validate()
-    def validate_for_type(self) -> None:
-        expected_type = self.context[ValueTypeCtx].value_type
-        if (
-            expected_type is not None
-            and self.object.gir_class is not None
-            and not self.object.gir_class.assignable_to(expected_type)
-        ):
-            raise CompileError(
-                f"Cannot assign {self.object.gir_class.full_name} to {expected_type.full_name}"
-            )
-
-
-class ExprValue(AstNode):
-    grammar = [Keyword("expr"), Expression]
-
-    @property
-    def expression(self) -> Expression:
-        return self.children[Expression][0]
-
-    @validate("expr")
-    def validate_for_type(self) -> None:
-        expected_type = self.parent.context[ValueTypeCtx].value_type
-        expr_type = self.root.gir.get_type("Expression", "Gtk")
-        if expected_type is not None and not expected_type.assignable_to(expr_type):
-            raise CompileError(
-                f"Cannot convert Gtk.Expression to {expected_type.full_name}"
-            )
-
-    @docs("expr")
-    def ref_docs(self):
-        return get_docs_section("Syntax ExprValue")
-
-    @context(ExprValueCtx)
-    def expr_literal(self):
-        return ExprValueCtx()
-
-    @context(ValueTypeCtx)
-    def value_type(self):
-        return ValueTypeCtx(None, must_infer_type=True)
-
-
-class Value(AstNode):
-    grammar = AnyOf(Translated, Flags, Literal)
-
-    @property
-    def child(
-        self,
-    ) -> T.Union[Translated, Flags, Literal]:
-        return self.children[0]
-
-
-class ArrayValue(AstNode):
-    grammar = ["[", Delimited(Value, ","), "]"]
-
-    @validate()
-    def validate_for_type(self) -> None:
-        expected_type = self.gir_type
-        if expected_type is not None and not isinstance(expected_type, gir.ArrayType):
-            raise CompileError(f"Cannot assign array to {expected_type.full_name}")
-
-        if expected_type is not None and not isinstance(
-            expected_type.inner, StringType
-        ):
-            raise CompileError("Only string arrays are supported")
-
-    @validate()
-    def validate_invalid_newline(self) -> None:
-        expected_type = self.gir_type
-        if isinstance(expected_type, gir.ArrayType) and isinstance(
-            expected_type.inner, StringType
-        ):
-            errors = []
-            for value in self.values:
-                if isinstance(value.child, Literal) and isinstance(
-                    value.child.value, QuotedLiteral
-                ):
-                    quoted_literal = value.child.value
-                    literal_value = quoted_literal.value
-                    # literal_value can be None if there's an invalid escape sequence
-                    if literal_value is not None and "\n" in literal_value:
-                        errors.append(
-                            CompileError(
-                                "String literals inside arrays can't contain newlines",
-                                range=quoted_literal.range,
-                            )
-                        )
-                elif isinstance(value.child, Translated):
-                    errors.append(
-                        CompileError(
-                            "Arrays can't contain translated strings",
-                            range=value.child.range,
-                        )
-                    )
-
-            if len(errors) > 0:
-                raise MultipleErrors(errors)
-
-    @property
-    def values(self) -> T.List[Value]:
-        return self.children
-
-    @property
-    def gir_type(self):
-        return self.parent.context[ValueTypeCtx].value_type
-
-    @context(ValueTypeCtx)
-    def child_value(self):
-        if self.gir_type is None or not isinstance(self.gir_type, ArrayType):
-            return ValueTypeCtx(None)
-        else:
-            return ValueTypeCtx(self.gir_type.inner)
-
-
-class StringValue(AstNode):
-    grammar = AnyOf(Translated, QuotedLiteral)
-
-    @property
-    def child(
-        self,
-    ) -> T.Union[Translated, QuotedLiteral]:
-        return self.children[0]
-
-    @property
-    def string(self) -> str:
-        if isinstance(self.child, Translated):
-            return self.child.string
-        else:
-            return self.child.value
-
-    @context(ValueTypeCtx)
-    def value_type(self) -> ValueTypeCtx:
-        return ValueTypeCtx(StringType())

blueprintcompiler/lsp.py

@@ -18,94 +18,69 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
 
-import json
-import sys
-import traceback
 import typing as T
-from difflib import SequenceMatcher
+import json, sys, traceback
 
-from . import decompiler, formatter, parser, tokenizer, utils, xml_reader
-from .ast_utils import AstNode
 from .completions import complete
-from .errors import CompileError, MultipleErrors
+from .errors import PrintableError, CompileError, MultipleErrors
 from .lsp_utils import *
-from .outputs.xml import XmlOutput
+from . import tokenizer, parser, utils, xml_reader
-from .tokenizer import Token
 
 
-def printerr(*args, **kwargs):
+def command(json_method):
-    print(*args, file=sys.stderr, **kwargs)
-
-
-def command(json_method: str):
     def decorator(func):
         func._json_method = json_method
         return func
-
     return decorator
 
 
 class OpenFile:
-    def __init__(self, uri: str, text: str, version: int) -> None:
+    def __init__(self, uri, text, version):
         self.uri = uri
         self.text = text
         self.version = version
-        self.ast: T.Optional[AstNode] = None
+        self.ast = None
-        self.tokens: T.Optional[list[Token]] = None
+        self.tokens = None
 
         self._update()
 
-    def apply_changes(self, changes) -> None:
+    def apply_changes(self, changes):
         for change in changes:
-            if "range" not in change:
+            start = utils.pos_to_idx(change["range"]["start"]["line"], change["range"]["start"]["character"], self.text)
-                self.text = change["text"]
+            end = utils.pos_to_idx(change["range"]["end"]["line"], change["range"]["end"]["character"], self.text)
-                continue
-            start = utils.pos_to_idx(
-                change["range"]["start"]["line"],
-                change["range"]["start"]["character"],
-                self.text,
-            )
-            end = utils.pos_to_idx(
-                change["range"]["end"]["line"],
-                change["range"]["end"]["character"],
-                self.text,
-            )
             self.text = self.text[:start] + change["text"] + self.text[end:]
         self._update()
 
-    def _update(self) -> None:
+    def _update(self):
-        self.diagnostics: list[CompileError] = []
+        self.diagnostics = []
         try:
             self.tokens = tokenizer.tokenize(self.text)
             self.ast, errors, warnings = parser.parse(self.tokens)
             self.diagnostics += warnings
             if errors is not None:
                 self.diagnostics += errors.errors
+            self.diagnostics += self.ast.errors
         except MultipleErrors as e:
             self.diagnostics += e.errors
         except CompileError as e:
             self.diagnostics.append(e)
 
-    def calc_semantic_tokens(self) -> T.List[int]:
-        if self.ast is None:
-            return []
 
+    def calc_semantic_tokens(self) -> T.List[int]:
         tokens = list(self.ast.get_semantic_tokens())
         token_lists = [
             [
-                *utils.idx_to_pos(token.start, self.text),  # line and column
+                *utils.idx_to_pos(token.start, self.text), # line and column
-                token.end - token.start,  # length
+                token.end - token.start,        # length
                 token.type,
-                0,  # token modifiers
+                0,                              # token modifiers
-            ]
+            ] for token in tokens]
-            for token in tokens
-        ]
 
         # convert line, column numbers to deltas
-        for a, b in zip(token_lists[-2::-1], token_lists[:0:-1]):
+        for i, token_list in enumerate(token_lists[1:]):
-            b[0] -= a[0]
+            token_list[0] -= token_lists[i][0]
-            if b[0] == 0:
+            if token_list[0] == 0:
-                b[1] -= a[1]
+                token_list[1] -= token_lists[i][1]
 
         # flatten the list
         return [x for y in token_lists for x in y]
@@ -114,11 +89,10 @@ class OpenFile:
 class LanguageServer:
     commands: T.Dict[str, T.Callable] = {}
 
-    def __init__(self):
+    def __init__(self, logfile=None):
         self.client_capabilities = {}
-        self.client_supports_completion_choice = False
+        self._open_files: {str: OpenFile} = {}
-        self._open_files: T.Dict[str, OpenFile] = {}
+        self.logfile = logfile
-        self._exited = False
 
     def run(self):
         # Read <doc> tags from gir files. During normal compilation these are
@@ -126,7 +100,7 @@ class LanguageServer:
         xml_reader.PARSE_GIR.add("doc")
 
         try:
-            while not self._exited:
+            while True:
                 line = ""
                 content_len = -1
                 while content_len == -1 or (line != "\n" and line != "\r\n"):
@@ -136,7 +110,7 @@ class LanguageServer:
                     if line.startswith("Content-Length:"):
                         content_len = int(line.split("Content-Length:")[1].strip())
                 line = sys.stdin.buffer.read(content_len).decode()
-                printerr("input: " + line)
+                self._log("input: " + line)
 
                 data = json.loads(line)
                 method = data.get("method")
@@ -146,89 +120,61 @@ class LanguageServer:
                 if method in self.commands:
                     self.commands[method](self, id, params)
         except Exception as e:
-            printerr(traceback.format_exc())
+            self._log(traceback.format_exc())
+
 
     def _send(self, data):
         data["jsonrpc"] = "2.0"
-        line = json.dumps(data, separators=(",", ":"))
+        line = json.dumps(data, separators=(",", ":")) + "\r\n"
-        printerr("output: " + line)
+        self._log("output: " + line)
-        sys.stdout.write(
+        sys.stdout.write(f"Content-Length: {len(line.encode())}\r\nContent-Type: application/vscode-jsonrpc; charset=utf-8\r\n\r\n{line}")
-            f"Content-Length: {len(line.encode())}\r\nContent-Type: application/vscode-jsonrpc; charset=utf-8\r\n\r\n{line}"
-        )
         sys.stdout.flush()
 
-    def _send_error(self, id, code, message, data=None):
+    def _log(self, msg):
-        self._send(
+        if self.logfile is not None:
-            {
+            self.logfile.write(str(msg))
-                "id": id,
+            self.logfile.write("\n")
-                "error": {
+            self.logfile.flush()
-                    "code": code,
-                    "message": message,
-                    "data": data,
-                },
-            }
-        )
 
     def _send_response(self, id, result):
-        self._send(
+        self._send({
-            {
+            "id": id,
-                "id": id,
+            "result": result,
-                "result": result,
+        })
-            }
-        )
 
     def _send_notification(self, method, params):
-        self._send(
+        self._send({
-            {
+            "method": method,
-                "method": method,
+            "params": params,
-                "params": params,
+        })
-            }
+
-        )
 
     @command("initialize")
     def initialize(self, id, params):
         from . import main
 
-        self.client_capabilities = params.get("capabilities", {})
+        self.client_capabilities = params.get("capabilities")
-        self.client_supports_completion_choice = params.get("clientInfo", {}).get(
+        self._send_response(id, {
-            "name"
+            "capabilities": {
-        ) in ["Visual Studio Code", "VSCodium"]
+                "textDocumentSync": {
-        self._send_response(
+                    "openClose": True,
-            id,
+                    "change": TextDocumentSyncKind.Incremental,
-            {
-                "capabilities": {
-                    "textDocumentSync": {
-                        "openClose": True,
-                        "change": TextDocumentSyncKind.Incremental,
-                    },
-                    "semanticTokensProvider": {
-                        "legend": {
-                            "tokenTypes": ["enumMember"],
-                            "tokenModifiers": [],
-                        },
-                        "full": True,
-                    },
-                    "completionProvider": {},
-                    "codeActionProvider": {},
-                    "hoverProvider": True,
-                    "documentSymbolProvider": True,
-                    "definitionProvider": True,
-                    "documentFormattingProvider": True,
                 },
-                "serverInfo": {
+                "semanticTokensProvider": {
-                    "name": "Blueprint",
+                    "legend": {
-                    "version": main.VERSION,
+                        "tokenTypes": ["enumMember"],
+                    },
+                    "full": True,
                 },
+                "completionProvider": {},
+                "codeActionProvider": {},
+                "hoverProvider": True,
             },
-        )
+            "serverInfo": {
-
+                "name": "Blueprint",
-    @command("shutdown")
+                "version": main.VERSION,
-    def shutdown(self, id, params):
+            },
-        self._send_response(id, None)
+        })
-
-    @command("exit")
-    def exit(self, id, params):
-        self._exited = True
 
     @command("textDocument/didOpen")
     def didOpen(self, id, params):
@@ -255,23 +201,14 @@ class LanguageServer:
     @command("textDocument/hover")
     def hover(self, id, params):
         open_file = self._open_files[params["textDocument"]["uri"]]
-        docs = open_file.ast and open_file.ast.get_docs(
+        docs = open_file.ast and open_file.ast.get_docs(utils.pos_to_idx(params["position"]["line"], params["position"]["character"], open_file.text))
-            utils.pos_to_idx(
-                params["position"]["line"],
-                params["position"]["character"],
-                open_file.text,
-            )
-        )
         if docs:
-            self._send_response(
+            self._send_response(id, {
-                id,
+                "contents": {
-                {
+                    "kind": "markdown",
-                    "contents": {
+                    "value": docs,
-                        "kind": "markdown",
+                }
-                        "value": docs,
+            })
-                    }
-                },
-            )
         else:
             self._send_response(id, None)
 
@@ -283,218 +220,70 @@ class LanguageServer:
             self._send_response(id, [])
             return
 
-        idx = utils.pos_to_idx(
+        idx = utils.pos_to_idx(params["position"]["line"], params["position"]["character"], open_file.text)
-            params["position"]["line"], params["position"]["character"], open_file.text
+        completions = complete(open_file.ast, open_file.tokens, idx)
-        )
+        self._send_response(id, [completion.to_json(True) for completion in completions])
-        completions = complete(self, open_file.ast, open_file.tokens, idx)
-        self._send_response(
-            id, [completion.to_json(True) for completion in completions]
-        )
 
-    @command("textDocument/formatting")
-    def formatting(self, id, params):
-        open_file = self._open_files[params["textDocument"]["uri"]]
-
-        if open_file.text is None:
-            self._send_error(id, ErrorCode.RequestFailed, "Document is not open")
-            return
-
-        try:
-            formatted_blp = formatter.format(
-                open_file.text,
-                params["options"]["tabSize"],
-                params["options"]["insertSpaces"],
-            )
-        except PrintableError:
-            self._send_error(id, ErrorCode.RequestFailed, "Could not format document")
-            return
-
-        lst = []
-        for tag, i1, i2, j1, j2 in SequenceMatcher(
-            None, open_file.text, formatted_blp
-        ).get_opcodes():
-            if tag in ("replace", "insert", "delete"):
-                lst.append(
-                    TextEdit(
-                        Range(i1, i2, open_file.text),
-                        "" if tag == "delete" else formatted_blp[j1:j2],
-                    ).to_json()
-                )
-
-        self._send_response(id, lst)
-
-    @command("textDocument/x-blueprint-compile")
-    def compile(self, id, params):
-        open_file = self._open_files[params["textDocument"]["uri"]]
-
-        if open_file.ast is None:
-            self._send_error(id, ErrorCode.RequestFailed, "Document is not open")
-            return
-
-        xml = None
-        try:
-            output = XmlOutput()
-            xml = output.emit(open_file.ast, indent=2, generated_notice=False)
-        except:
-            printerr(traceback.format_exc())
-            self._send_error(id, ErrorCode.RequestFailed, "Could not compile document")
-            return
-        self._send_response(id, {"xml": xml})
-
-    @command("x-blueprint/decompile")
-    def decompile(self, id, params):
-        text = params.get("text")
-        blp = None
-        if text.strip() == "":
-            blp = ""
-            printerr("Decompiled to empty blueprint because input was empty")
-        else:
-            try:
-                blp = decompiler.decompile_string(text)
-            except decompiler.UnsupportedError as e:
-                self._send_error(id, ErrorCode.RequestFailed, e.message)
-                return
-            except:
-                printerr(traceback.format_exc())
-                self._send_error(id, ErrorCode.RequestFailed, "Invalid input")
-                return
-
-        self._send_response(id, {"blp": blp})
 
     @command("textDocument/semanticTokens/full")
     def semantic_tokens(self, id, params):
         open_file = self._open_files[params["textDocument"]["uri"]]
 
-        self._send_response(
+        self._send_response(id, {
-            id,
+            "data": open_file.calc_semantic_tokens(),
-            {
+        })
-                "data": open_file.calc_semantic_tokens(),
+
-            },
-        )
 
     @command("textDocument/codeAction")
     def code_actions(self, id, params):
         open_file = self._open_files[params["textDocument"]["uri"]]
 
-        range = Range(
+        range_start = utils.pos_to_idx(params["range"]["start"]["line"], params["range"]["start"]["character"], open_file.text)
-            utils.pos_to_idx(
+        range_end = utils.pos_to_idx(params["range"]["end"]["line"], params["range"]["end"]["character"], open_file.text)
-                params["range"]["start"]["line"],
-                params["range"]["start"]["character"],
-                open_file.text,
-            ),
-            utils.pos_to_idx(
-                params["range"]["end"]["line"],
-                params["range"]["end"]["character"],
-                open_file.text,
-            ),
-            open_file.text,
-        )
 
         actions = [
             {
                 "title": action.title,
                 "kind": "quickfix",
-                "diagnostics": [self._create_diagnostic(open_file.uri, diagnostic)],
+                "diagnostics": [self._create_diagnostic(open_file.text, open_file.uri, diagnostic)],
                 "edit": {
                     "changes": {
-                        open_file.uri: [
+                        open_file.uri: [{
-                            {
+                            "range": utils.idxs_to_range(diagnostic.start, diagnostic.end, open_file.text),
-                                "range": (
+                            "newText": action.replace_with
-                                    action.edit_range.to_json()
+                        }]
-                                    if action.edit_range
-                                    else diagnostic.range.to_json()
-                                ),
-                                "newText": action.replace_with,
-                            }
-                        ]
                     }
-                },
+                }
             }
             for diagnostic in open_file.diagnostics
-            if range.overlaps(diagnostic.range)
+            if not (diagnostic.end < range_start or diagnostic.start > range_end)
             for action in diagnostic.actions
         ]
 
         self._send_response(id, actions)
 
-    @command("textDocument/documentSymbol")
-    def document_symbols(self, id, params):
-        open_file = self._open_files[params["textDocument"]["uri"]]
-        symbols = open_file.ast.get_document_symbols()
-
-        def to_json(symbol: DocumentSymbol):
-            result = {
-                "name": symbol.name,
-                "kind": symbol.kind,
-                "range": symbol.range.to_json(),
-                "selectionRange": symbol.selection_range.to_json(),
-                "children": [to_json(child) for child in symbol.children],
-            }
-            if symbol.detail is not None:
-                result["detail"] = symbol.detail
-            return result
-
-        self._send_response(id, [to_json(symbol) for symbol in symbols])
-
-    @command("textDocument/definition")
-    def definition(self, id, params):
-        open_file = self._open_files[params["textDocument"]["uri"]]
-        idx = utils.pos_to_idx(
-            params["position"]["line"], params["position"]["character"], open_file.text
-        )
-        definition = open_file.ast.get_reference(idx)
-        if definition is None:
-            self._send_response(id, None)
-        else:
-            self._send_response(
-                id,
-                definition.to_json(open_file.uri),
-            )
 
     def _send_file_updates(self, open_file: OpenFile):
-        self._send_notification(
+        self._send_notification("textDocument/publishDiagnostics", {
-            "textDocument/publishDiagnostics",
+            "uri": open_file.uri,
-            {
+            "diagnostics": [self._create_diagnostic(open_file.text, open_file.uri, err) for err in open_file.diagnostics],
-                "uri": open_file.uri,
+        })
-                "diagnostics": [
-                    self._create_diagnostic(open_file.uri, err)
-                    for err in open_file.diagnostics
-                ],
-            },
-        )
-
-    def _create_diagnostic(self, uri: str, err: CompileError):
-        message = err.message
-
-        assert err.range is not None
-
-        for hint in err.hints:
-            message += "\nhint: " + hint
 
+    def _create_diagnostic(self, text, uri, err):
         result = {
-            "range": err.range.to_json(),
+            "range": utils.idxs_to_range(err.start, err.end, text),
-            "message": message,
+            "message": err.message,
-            "severity": (
+            "severity": DiagnosticSeverity.Warning if isinstance(err, CompileWarning) else DiagnosticSeverity.Error,
-                DiagnosticSeverity.Warning
-                if isinstance(err, CompileWarning)
-                else DiagnosticSeverity.Error
-            ),
         }
 
-        if isinstance(err, DeprecatedWarning):
-            result["tags"] = [DiagnosticTag.Deprecated]
-
-        if isinstance(err, UnusedWarning):
-            result["tags"] = [DiagnosticTag.Unnecessary]
-
         if len(err.references) > 0:
             result["relatedInformation"] = [
                 {
                     "location": {
                         "uri": uri,
-                        "range": ref.range.to_json(),
+                        "range": utils.idxs_to_range(ref.start, ref.end, text),
                     },
-                    "message": ref.message,
+                    "message": ref.message
                 }
                 for ref in err.references
             ]
@@ -506,3 +295,4 @@ for name in dir(LanguageServer):
     item = getattr(LanguageServer, name)
     if callable(item) and hasattr(item, "_json_method"):
         LanguageServer.commands[item._json_method] = item
+

blueprintcompiler/lsp_utils.py

@@ -18,14 +18,11 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
 
+from dataclasses import dataclass
 import enum
-import json
-import os
 import typing as T
-from dataclasses import dataclass, field
 
 from .errors import *
-from .tokenizer import Range
 from .utils import *
 
 
@@ -34,16 +31,13 @@ class TextDocumentSyncKind(enum.IntEnum):
     Full = 1
     Incremental = 2
 
-
 class CompletionItemTag(enum.IntEnum):
     Deprecated = 1
 
-
 class InsertTextFormat(enum.IntEnum):
     PlainText = 1
     Snippet = 2
 
-
 class CompletionItemKind(enum.IntEnum):
     Text = 1
     Method = 2
@@ -72,21 +66,15 @@ class CompletionItemKind(enum.IntEnum):
     TypeParameter = 25
 
 
-class ErrorCode(enum.IntEnum):
-    RequestFailed = -32803
-
-
 @dataclass
 class Completion:
     label: str
     kind: CompletionItemKind
     signature: T.Optional[str] = None
     deprecated: bool = False
-    sort_text: T.Optional[str] = None
     docs: T.Optional[str] = None
     text: T.Optional[str] = None
     snippet: T.Optional[str] = None
-    detail: T.Optional[str] = None
 
     def to_json(self, snippets: bool):
         insert_text = self.text or self.label
@@ -99,23 +87,16 @@ class Completion:
             "label": self.label,
             "kind": self.kind,
             "tags": [CompletionItemTag.Deprecated] if self.deprecated else None,
-            # https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#completionItemLabelDetails
+            "detail": self.signature,
-            "labelDetails": ({"detail": self.signature} if self.signature else None),
+            "documentation": {
-            "documentation": (
+                "kind": "markdown",
-                {
+                "value": self.docs,
-                    "kind": "markdown",
+            } if self.docs else None,
-                    "value": self.docs,
-                }
-                if self.docs
-                else None
-            ),
             "deprecated": self.deprecated,
-            "sortText": self.sort_text,
             "insertText": insert_text,
             "insertTextFormat": insert_text_format,
-            "detail": self.detail if self.detail else None,
         }
-        return {k: v for k, v in result.items() if v is not None}
+        return { k: v for k, v in result.items() if v is not None }
 
 
 class SemanticTokenType(enum.IntEnum):
@@ -129,100 +110,9 @@ class DiagnosticSeverity(enum.IntEnum):
     Hint = 4
 
 
-class DiagnosticTag(enum.IntEnum):
-    Unnecessary = 1
-    Deprecated = 2
-
 
 @dataclass
 class SemanticToken:
     start: int
     end: int
     type: SemanticTokenType
-
-
-class SymbolKind(enum.IntEnum):
-    File = 1
-    Module = 2
-    Namespace = 3
-    Package = 4
-    Class = 5
-    Method = 6
-    Property = 7
-    Field = 8
-    Constructor = 9
-    Enum = 10
-    Interface = 11
-    Function = 12
-    Variable = 13
-    Constant = 14
-    String = 15
-    Number = 16
-    Boolean = 17
-    Array = 18
-    Object = 19
-    Key = 20
-    Null = 21
-    EnumMember = 22
-    Struct = 23
-    Event = 24
-    Operator = 25
-    TypeParameter = 26
-
-
-@dataclass
-class DocumentSymbol:
-    name: str
-    kind: SymbolKind
-    range: Range
-    selection_range: Range
-    detail: T.Optional[str] = None
-    children: T.List["DocumentSymbol"] = field(default_factory=list)
-
-
-@dataclass
-class LocationLink:
-    origin_selection_range: Range
-    target_range: Range
-    target_selection_range: Range
-
-    def to_json(self, target_uri: str):
-        return {
-            "originSelectionRange": self.origin_selection_range.to_json(),
-            "targetUri": target_uri,
-            "targetRange": self.target_range.to_json(),
-            "targetSelectionRange": self.target_selection_range.to_json(),
-        }
-
-
-@dataclass
-class TextEdit:
-    range: Range
-    newText: str
-
-    def to_json(self):
-        return {"range": self.range.to_json(), "newText": self.newText}
-
-
-_docs_sections: T.Optional[dict[str, T.Any]] = None
-
-
-def get_docs_section(section_name: str) -> T.Optional[str]:
-    global _docs_sections
-
-    if _docs_sections is None:
-        try:
-            with open(
-                os.path.join(os.path.dirname(__file__), "reference_docs.json")
-            ) as f:
-                _docs_sections = json.load(f)
-        except FileNotFoundError:
-            _docs_sections = {}
-
-    if section := _docs_sections.get(section_name):
-        content = section["content"]
-        link = section["link"]
-        content += f"\n\n---\n\n[Online documentation]({link})"
-        return content
-    else:
-        return None

blueprintcompiler/main.py

@@ -18,23 +18,16 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
 
-import argparse
-import difflib
-import os
-import sys
 import typing as T
+import argparse, json, os, sys
 
-from . import formatter, interactive_port, parser, tokenizer
+from .errors import PrintableError, report_bug, MultipleErrors
-from .decompiler import decompile_string
-from .errors import CompileError, CompilerBugError, PrintableError, report_bug
-from .gir import add_typelib_search_path
 from .lsp import LanguageServer
-from .outputs import XmlOutput
+from . import parser, tokenizer, decompiler, interactive_port
 from .utils import Colors
+from .xml_emitter import XmlEmitter
 
 VERSION = "uninstalled"
-LIBDIR = None
-
 
 class BlueprintApp:
     def main(self):
@@ -42,82 +35,19 @@ class BlueprintApp:
         self.subparsers = self.parser.add_subparsers(metavar="command")
         self.parser.set_defaults(func=self.cmd_help)
 
-        compile = self.add_subcommand(
+        compile = self.add_subcommand("compile", "Compile blueprint files", self.cmd_compile)
-            "compile", "Compile blueprint files", self.cmd_compile
-        )
         compile.add_argument("--output", dest="output", default="-")
-        compile.add_argument("--typelib-path", nargs="?", action="append")
+        compile.add_argument("input", metavar="filename", default=sys.stdin, type=argparse.FileType('r'))
-        compile.add_argument(
-            "input", metavar="filename", default=sys.stdin, type=argparse.FileType("r")
-        )
 
-        batch_compile = self.add_subcommand(
+        batch_compile = self.add_subcommand("batch-compile", "Compile many blueprint files at once", self.cmd_batch_compile)
-            "batch-compile",
-            "Compile many blueprint files at once",
-            self.cmd_batch_compile,
-        )
         batch_compile.add_argument("output_dir", metavar="output-dir")
         batch_compile.add_argument("input_dir", metavar="input-dir")
-        batch_compile.add_argument("--typelib-path", nargs="?", action="append")
+        batch_compile.add_argument("inputs", nargs="+", metavar="filenames", default=sys.stdin, type=argparse.FileType('r'))
-        batch_compile.add_argument(
-            "inputs",
-            nargs="+",
-            metavar="filenames",
-            default=sys.stdin,
-            type=argparse.FileType("r"),
-        )
-
-        format = self.add_subcommand(
-            "format", "Format given blueprint files", self.cmd_format
-        )
-        format.add_argument(
-            "-f",
-            "--fix",
-            help="Apply the edits to the files",
-            default=False,
-            action="store_true",
-        )
-        format.add_argument(
-            "-t",
-            "--tabs",
-            help="Use tabs instead of spaces",
-            default=False,
-            action="store_true",
-        )
-        format.add_argument(
-            "-s",
-            "--spaces-num",
-            help="How many spaces should be used per indent",
-            default=2,
-            type=int,
-        )
-        format.add_argument(
-            "-n",
-            "--no-diff",
-            help="Do not print a full diff of the changes",
-            default=False,
-            action="store_true",
-        )
-        format.add_argument(
-            "inputs",
-            nargs="+",
-            metavar="filenames",
-        )
-
-        decompile = self.add_subcommand(
-            "decompile", "Convert .ui XML files to blueprint", self.cmd_decompile
-        )
-        decompile.add_argument("--output", dest="output", default="-")
-        decompile.add_argument("--typelib-path", nargs="?", action="append")
-        decompile.add_argument(
-            "input", metavar="filename", default=sys.stdin, type=argparse.FileType("r")
-        )
 
         port = self.add_subcommand("port", "Interactive porting tool", self.cmd_port)
 
-        lsp = self.add_subcommand(
+        lsp = self.add_subcommand("lsp", "Run the language server (for internal use by IDEs)", self.cmd_lsp)
-            "lsp", "Run the language server (for internal use by IDEs)", self.cmd_lsp
+        lsp.add_argument("--logfile", dest="logfile", default=None, type=argparse.FileType('a'))
-        )
 
         self.add_subcommand("help", "Show this message", self.cmd_help)
 
@@ -135,19 +65,18 @@ class BlueprintApp:
         except:
             report_bug()
 
-    def add_subcommand(self, name: str, help: str, func):
+
+    def add_subcommand(self, name, help, func):
         parser = self.subparsers.add_parser(name, help=help)
         parser.set_defaults(func=func)
         return parser
 
+
     def cmd_help(self, opts):
         self.parser.print_help()
 
-    def cmd_compile(self, opts):
-        if opts.typelib_path != None:
-            for typelib_path in opts.typelib_path:
-                add_typelib_search_path(typelib_path)
 
+    def cmd_compile(self, opts):
         data = opts.input.read()
         try:
             xml, warnings = self._compile(data)
@@ -161,24 +90,17 @@ class BlueprintApp:
                 with open(opts.output, "w") as file:
                     file.write(xml)
         except PrintableError as e:
-            e.pretty_print(opts.input.name, data, stream=sys.stderr)
+            e.pretty_print(opts.input.name, data)
             sys.exit(1)
 
-    def cmd_batch_compile(self, opts):
-        if opts.typelib_path != None:
-            for typelib_path in opts.typelib_path:
-                add_typelib_search_path(typelib_path)
 
+    def cmd_batch_compile(self, opts):
         for file in opts.inputs:
             data = file.read()
-            file_abs = os.path.abspath(file.name)
-            input_dir_abs = os.path.abspath(opts.input_dir)
 
             try:
-                if not os.path.commonpath([file_abs, input_dir_abs]):
+                if not os.path.commonpath([file.name, opts.input_dir]):
-                    print(
+                    print(f"{Colors.RED}{Colors.BOLD}error: input file '{file.name}' is not in input directory '{opts.input_dir}'{Colors.CLEAR}")
-                        f"{Colors.RED}{Colors.BOLD}error: input file '{file.name}' is not in input directory '{opts.input_dir}'{Colors.CLEAR}"
-                    )
                     sys.exit(1)
 
                 xml, warnings = self._compile(data)
@@ -189,8 +111,9 @@ class BlueprintApp:
                 path = os.path.join(
                     opts.output_dir,
                     os.path.relpath(
-                        os.path.splitext(file.name)[0] + ".ui", opts.input_dir
+                        os.path.splitext(file.name)[0] + ".ui",
-                    ),
+                        opts.input_dir
+                    )
                 )
                 os.makedirs(os.path.dirname(path), exist_ok=True)
                 with open(path, "w") as file:
@@ -199,157 +122,29 @@ class BlueprintApp:
                 e.pretty_print(file.name, data)
                 sys.exit(1)
 
-    def cmd_format(self, opts):
-        input_files = []
-        missing_files = []
-        panic = False
-        formatted_files = 0
-        skipped_files = 0
-
-        for path in opts.inputs:
-            if os.path.isfile(path):
-                input_files.append(path)
-            elif os.path.isdir(path):
-                for root, subfolders, files in os.walk(path):
-                    for file in files:
-                        if file.endswith(".blp"):
-                            input_files.append(os.path.join(root, file))
-            else:
-                missing_files.append(path)
-
-        for file in input_files:
-            with open(file, "r+") as file:
-                data = file.read()
-                errored = False
-
-                try:
-                    self._compile(data)
-                except:
-                    errored = True
-
-                formatted_str = formatter.format(data, opts.spaces_num, not opts.tabs)
-
-                if data != formatted_str:
-                    happened = "Would format"
-
-                    if opts.fix and not errored:
-                        file.seek(0)
-                        file.truncate()
-                        file.write(formatted_str)
-                        happened = "Formatted"
-
-                    if not opts.no_diff:
-                        diff_lines = []
-                        a_lines = data.splitlines(keepends=True)
-                        b_lines = formatted_str.splitlines(keepends=True)
-
-                        for line in difflib.unified_diff(
-                            a_lines, b_lines, fromfile=file.name, tofile=file.name, n=5
-                        ):
-                            # Work around https://bugs.python.org/issue2142
-                            # See:
-                            # https://www.gnu.org/software/diffutils/manual/html_node/Incomplete-Lines.html
-                            if line[-1] == "\n":
-                                diff_lines.append(line)
-                            else:
-                                diff_lines.append(line + "\n")
-                                diff_lines.append("\\ No newline at end of file\n")
-
-                        print("".join(diff_lines))
-
-                    to_print = Colors.BOLD
-                    if errored:
-                        to_print += f"{Colors.RED}Skipped {file.name}: Will not overwrite file with compile errors"
-                        panic = True
-                        skipped_files += 1
-                    else:
-                        to_print += f"{happened} {file.name}"
-                        formatted_files += 1
-
-                    print(to_print)
-                    print(Colors.CLEAR)
-
-        missing_num = len(missing_files)
-        summary = ""
-
-        if missing_num > 0:
-            print(
-                f"{Colors.BOLD}{Colors.RED}Could not find files:{Colors.CLEAR}{Colors.BOLD}"
-            )
-            for path in missing_files:
-                print(f"  {path}")
-            print(Colors.CLEAR)
-            panic = True
-
-        if len(input_files) == 0:
-            print(f"{Colors.RED}No Blueprint files found")
-            sys.exit(1)
-
-        def would_be(verb):
-            return verb if opts.fix else f"would be {verb}"
-
-        def how_many(count, bold=True):
-            string = f"{Colors.BLUE}{count} {'files' if count != 1 else 'file'}{Colors.CLEAR}"
-            return Colors.BOLD + string + Colors.BOLD if bold else Colors.CLEAR + string
-
-        if formatted_files > 0:
-            summary += f"{how_many(formatted_files)} {would_be('formatted')}, "
-            panic = panic or not opts.fix
-
-        left_files = len(input_files) - formatted_files - skipped_files
-        summary += f"{how_many(left_files, False)} {would_be('left unchanged')}"
-
-        if skipped_files > 0:
-            summary += f", {how_many(skipped_files)} {would_be('skipped')}"
-
-        if missing_num > 0:
-            summary += f", {how_many(missing_num)} not found"
-
-        print(summary + Colors.CLEAR)
-
-        if panic:
-            sys.exit(1)
-
-    def cmd_decompile(self, opts):
-        if opts.typelib_path != None:
-            for typelib_path in opts.typelib_path:
-                add_typelib_search_path(typelib_path)
-
-        data = opts.input.read()
-        try:
-            decompiled = decompile_string(data)
-
-            if opts.output == "-":
-                print(decompiled)
-            else:
-                with open(opts.output, "w") as file:
-                    file.write(decompiled)
-        except PrintableError as e:
-            e.pretty_print(opts.input.name, data, stream=sys.stderr)
-            sys.exit(1)
 
     def cmd_lsp(self, opts):
-        langserv = LanguageServer()
+        langserv = LanguageServer(opts.logfile)
         langserv.run()
 
+
     def cmd_port(self, opts):
         interactive_port.run(opts)
 
-    def _compile(self, data: str) -> T.Tuple[str, T.List[CompileError]]:
+
+    def _compile(self, data: str) -> T.Tuple[str, T.List[PrintableError]]:
         tokens = tokenizer.tokenize(data)
         ast, errors, warnings = parser.parse(tokens)
 
         if errors:
             raise errors
-        if ast is None:
+        if len(ast.errors):
-            raise CompilerBugError()
+            raise MultipleErrors(ast.errors)
 
-        formatter = XmlOutput()
+        return ast.generate(), warnings
-
-        return formatter.emit(ast), warnings
 
 
-def main(version, libdir):
+def main(version):
-    global VERSION, LIBDIR
+    global VERSION
-    VERSION, LIBDIR = version, libdir
+    VERSION = version
     BlueprintApp().main()

blueprintcompiler/outputs/__init__.py

@@ -1,9 +0,0 @@
-from ..language import UI
-
-
-class OutputFormat:
-    def emit(self, ui: UI) -> str:
-        raise NotImplementedError()
-
-
-from .xml import XmlOutput

blueprintcompiler/outputs/xml/__init__.py

@@ -1,426 +0,0 @@
-import typing as T
-
-from ...language import *
-from .. import OutputFormat
-from .xml_emitter import XmlEmitter
-
-
-class XmlOutput(OutputFormat):
-    def emit(self, ui: UI, indent=2, generated_notice=True) -> str:
-        xml = XmlEmitter(indent, generated_notice)
-        self._emit_ui(ui, xml)
-        return xml.result
-
-    def _emit_ui(self, ui: UI, xml: XmlEmitter):
-        if domain := ui.translation_domain:
-            xml.start_tag("interface", domain=domain.domain)
-        else:
-            xml.start_tag("interface")
-
-        self._emit_gtk_directive(ui.gtk_decl, xml)
-
-        for x in ui.contents:
-            if isinstance(x, Template):
-                self._emit_template(x, xml)
-            elif isinstance(x, Object):
-                self._emit_object(x, xml)
-            elif isinstance(x, Menu):
-                self._emit_menu(x, xml)
-            else:
-                raise CompilerBugError()
-
-        xml.end_tag()
-
-    def _emit_gtk_directive(self, gtk: GtkDirective, xml: XmlEmitter):
-        xml.put_self_closing("requires", lib="gtk", version=gtk.gir_namespace.version)
-
-    def _emit_template(self, template: Template, xml: XmlEmitter):
-        xml.start_tag(
-            "template", **{"class": template.gir_class}, parent=template.parent_type
-        )
-        self._emit_object_or_template(template, xml)
-        xml.end_tag()
-
-    def _emit_object(self, obj: Object, xml: XmlEmitter):
-        xml.start_tag(
-            "object",
-            **{"class": obj.class_name},
-            id=obj.id,
-        )
-        self._emit_object_or_template(obj, xml)
-        xml.end_tag()
-
-    def _emit_object_or_template(
-        self, obj: T.Union[Object, Template, ExtListItemFactory], xml: XmlEmitter
-    ):
-        for child in obj.content.children:
-            if isinstance(child, Property):
-                self._emit_property(child, xml)
-            elif isinstance(child, Signal):
-                self._emit_signal(child, xml)
-            elif isinstance(child, Child):
-                self._emit_child(child, xml)
-            else:
-                self._emit_extensions(child, xml)
-
-        # List action widgets
-        action_widgets = obj.action_widgets
-        if action_widgets:
-            xml.start_tag("action-widgets")
-            for action_widget in action_widgets:
-                xml.start_tag(
-                    "action-widget",
-                    response=action_widget.response_id,
-                    default=action_widget.is_default or None,
-                )
-                xml.put_text(action_widget.widget_id)
-                xml.end_tag()
-            xml.end_tag()
-
-    def _emit_menu(self, menu: Menu, xml: XmlEmitter):
-        xml.start_tag(menu.tag, id=menu.id)
-        for child in menu.items:
-            if isinstance(child, Menu):
-                self._emit_menu(child, xml)
-            elif isinstance(child, MenuAttribute):
-                xml.start_tag(
-                    "attribute",
-                    name=child.name,
-                    **self._translated_string_attrs(child.value.child),
-                )
-                xml.put_text(child.value.string)
-                xml.end_tag()
-            else:
-                raise CompilerBugError()
-        xml.end_tag()
-
-    def _emit_property(self, property: Property, xml: XmlEmitter):
-        value = property.value
-
-        props: T.Dict[str, T.Optional[str]] = {
-            "name": property.name,
-        }
-
-        if isinstance(value, Value):
-            child = value.child
-
-            if isinstance(child, Translated):
-                xml.start_tag(
-                    "property", **props, **self._translated_string_attrs(child)
-                )
-                xml.put_text(child.string)
-                xml.end_tag()
-            else:
-                xml.start_tag("property", **props)
-                self._emit_value(value, xml)
-                xml.end_tag()
-
-        elif isinstance(value, Binding):
-            if simple := value.simple_binding:
-                props["bind-source"] = self._object_id(value, simple.source)
-                props["bind-property"] = simple.property_name
-                flags = []
-                if not simple.no_sync_create:
-                    flags.append("sync-create")
-                if simple.inverted:
-                    flags.append("invert-boolean")
-                if simple.bidirectional:
-                    flags.append("bidirectional")
-                props["bind-flags"] = "|".join(flags) or None
-
-                xml.put_self_closing("property", **props)
-            else:
-                xml.start_tag("binding", **props)
-                self._emit_expression(value.expression, xml)
-                xml.end_tag()
-
-        elif isinstance(value, ExprValue):
-            xml.start_tag("property", **props)
-            self._emit_expression(value.expression, xml)
-            xml.end_tag()
-
-        elif isinstance(value, ObjectValue):
-            xml.start_tag("property", **props)
-            self._emit_object(value.object, xml)
-            xml.end_tag()
-
-        elif isinstance(value, ArrayValue):
-            xml.start_tag("property", **props)
-            values = list(value.values)
-            for value in values[:-1]:
-                self._emit_value(value, xml)
-                xml.put_text("\n")
-            self._emit_value(values[-1], xml)
-            xml.end_tag()
-
-        else:
-            raise CompilerBugError()
-
-    def _translated_string_attrs(
-        self, translated: T.Optional[T.Union[QuotedLiteral, Translated]]
-    ) -> T.Dict[str, T.Optional[str]]:
-        if translated is None:
-            return {}
-        elif isinstance(translated, QuotedLiteral):
-            return {}
-        else:
-            return {"translatable": "yes", "context": translated.translate_context}
-
-    def _emit_signal(self, signal: Signal, xml: XmlEmitter):
-        name = signal.name
-        if signal.detail_name:
-            name += "::" + signal.detail_name
-        xml.put_self_closing(
-            "signal",
-            name=name,
-            handler=signal.handler,
-            swapped=signal.is_swapped,
-            after=signal.is_after or None,
-            object=(
-                self._object_id(signal, signal.object_id) if signal.object_id else None
-            ),
-        )
-
-    def _emit_child(self, child: Child, xml: XmlEmitter):
-        child_type = internal_child = None
-        if child.annotation is not None:
-            annotation = child.annotation.child
-            if isinstance(annotation, ChildType):
-                child_type = annotation.child_type
-            elif isinstance(annotation, ChildInternal):
-                internal_child = annotation.internal_child
-            elif isinstance(annotation, ChildExtension):
-                child_type = "action"
-            else:
-                raise CompilerBugError()
-
-        xml.start_tag("child", type=child_type, internal_child=internal_child)
-        self._emit_object(child.object, xml)
-        xml.end_tag()
-
-    def _emit_literal(self, literal: Literal, xml: XmlEmitter):
-        value = literal.value
-        if isinstance(value, IdentLiteral):
-            value_type = value.context[ValueTypeCtx].value_type
-            if isinstance(value_type, gir.BoolType):
-                xml.put_text(value.ident)
-            elif isinstance(value_type, gir.Enumeration):
-                xml.put_text(str(value_type.members[value.ident].value))
-            else:
-                xml.put_text(self._object_id(value, value.ident))
-        elif isinstance(value, TypeLiteral):
-            xml.put_text(value.type_name.glib_type_name)
-        else:
-            if isinstance(value.value, float) and value.value == int(value.value):
-                xml.put_text(int(value.value))
-            else:
-                xml.put_text(value.value)
-
-    def _emit_value(self, value: Value, xml: XmlEmitter):
-        if isinstance(value.child, Literal):
-            self._emit_literal(value.child, xml)
-        elif isinstance(value.child, Flags):
-            xml.put_text(
-                "|".join([str(flag.value or flag.name) for flag in value.child.flags])
-            )
-        else:
-            raise CompilerBugError()
-
-    def _emit_expression(self, expression: Expression, xml: XmlEmitter):
-        self._emit_expression_part(expression.last, xml)
-
-    def _emit_expression_part(self, expression: ExprBase, xml: XmlEmitter):
-        if isinstance(expression, LiteralExpr):
-            self._emit_literal_expr(expression, xml)
-        elif isinstance(expression, LookupOp):
-            self._emit_lookup_op(expression, xml)
-        elif isinstance(expression, Expression):
-            self._emit_expression(expression, xml)
-        elif isinstance(expression, CastExpr):
-            self._emit_cast_expr(expression, xml)
-        elif isinstance(expression, ClosureExpr):
-            self._emit_closure_expr(expression, xml)
-        else:
-            raise CompilerBugError()
-
-    def _emit_literal_expr(self, expr: LiteralExpr, xml: XmlEmitter):
-        if expr.is_this:
-            return
-
-        if expr.is_object:
-            xml.start_tag("constant")
-        else:
-            xml.start_tag("constant", type=expr.type)
-        self._emit_literal(expr.literal, xml)
-        xml.end_tag()
-
-    def _emit_lookup_op(self, expr: LookupOp, xml: XmlEmitter):
-        xml.start_tag("lookup", name=expr.property_name, type=expr.lhs.type)
-        self._emit_expression_part(expr.lhs, xml)
-        xml.end_tag()
-
-    def _emit_cast_expr(self, expr: CastExpr, xml: XmlEmitter):
-        self._emit_expression_part(expr.lhs, xml)
-
-    def _emit_closure_expr(self, expr: ClosureExpr, xml: XmlEmitter):
-        xml.start_tag("closure", function=expr.closure_name, type=expr.type)
-        for arg in expr.args:
-            self._emit_expression_part(arg.expr, xml)
-        xml.end_tag()
-
-    def _emit_attribute(
-        self,
-        tag: str,
-        attr: str,
-        name: str,
-        value: T.Union[Value, StringValue],
-        xml: XmlEmitter,
-    ):
-        attrs = {attr: name}
-
-        if isinstance(value.child, Translated):
-            xml.start_tag(tag, **attrs, **self._translated_string_attrs(value.child))
-            xml.put_text(value.child.string)
-            xml.end_tag()
-        elif isinstance(value.child, QuotedLiteral):
-            xml.start_tag(tag, **attrs)
-            xml.put_text(value.child.value)
-            xml.end_tag()
-        else:
-            xml.start_tag(tag, **attrs)
-            self._emit_value(value, xml)
-            xml.end_tag()
-
-    def _emit_extensions(self, extension, xml: XmlEmitter):
-        if isinstance(extension, ExtAccessibility):
-            xml.start_tag("accessibility")
-            for property in extension.properties:
-                for val in property.values:
-                    self._emit_attribute(
-                        property.tag_name, "name", property.name, val, xml
-                    )
-            xml.end_tag()
-
-        elif isinstance(extension, AdwBreakpointCondition):
-            xml.start_tag("condition")
-            xml.put_text(extension.condition)
-            xml.end_tag()
-
-        elif isinstance(extension, AdwBreakpointSetters):
-            for setter in extension.setters:
-                if setter.value is None:
-                    continue
-
-                attrs = {}
-
-                if isinstance(setter.value.child, Translated):
-                    attrs = self._translated_string_attrs(setter.value.child)
-
-                xml.start_tag(
-                    "setter",
-                    object=self._object_id(setter, setter.object_id),
-                    property=setter.property_name,
-                    **attrs,
-                )
-                if isinstance(setter.value.child, Translated):
-                    xml.put_text(setter.value.child.string)
-                elif (
-                    isinstance(setter.value.child, Literal)
-                    and isinstance(setter.value.child.value, IdentLiteral)
-                    and setter.value.child.value.ident == "null"
-                    and setter.context[ScopeCtx].objects.get("null") is None
-                ):
-                    pass
-                else:
-                    self._emit_value(setter.value, xml)
-                xml.end_tag()
-
-        elif isinstance(extension, Filters):
-            xml.start_tag(extension.tokens["tag_name"])
-            for prop in extension.children:
-                xml.start_tag(prop.tokens["tag_name"])
-                xml.put_text(prop.tokens["name"])
-                xml.end_tag()
-            xml.end_tag()
-
-        elif isinstance(extension, ExtComboBoxItems):
-            xml.start_tag("items")
-            for prop in extension.children:
-                self._emit_attribute("item", "id", prop.name, prop.value, xml)
-            xml.end_tag()
-
-        elif isinstance(extension, ExtLayout):
-            xml.start_tag("layout")
-            for prop in extension.children:
-                self._emit_attribute("property", "name", prop.name, prop.value, xml)
-            xml.end_tag()
-
-        elif isinstance(extension, ExtAdwResponseDialog):
-            xml.start_tag("responses")
-            for response in extension.responses:
-                xml.start_tag(
-                    "response",
-                    id=response.id,
-                    **self._translated_string_attrs(response.value.child),
-                    enabled=None if response.enabled else "false",
-                    appearance=response.appearance,
-                )
-                xml.put_text(response.value.string)
-                xml.end_tag()
-            xml.end_tag()
-
-        elif isinstance(extension, ExtScaleMarks):
-            xml.start_tag("marks")
-            for mark in extension.marks:
-                label = mark.label.child if mark.label is not None else None
-                xml.start_tag(
-                    "mark",
-                    value=mark.value,
-                    position=mark.position,
-                    **self._translated_string_attrs(label),
-                )
-                if mark.label is not None:
-                    xml.put_text(mark.label.string)
-                xml.end_tag()
-            xml.end_tag()
-
-        elif isinstance(extension, ExtStringListStrings):
-            xml.start_tag("items")
-            for string in extension.children:
-                value = string.child
-                xml.start_tag("item", **self._translated_string_attrs(value.child))
-                xml.put_text(value.string)
-                xml.end_tag()
-            xml.end_tag()
-
-        elif isinstance(extension, ExtListItemFactory):
-            child_xml = XmlEmitter(generated_notice=False)
-            child_xml.start_tag("interface")
-            child_xml.start_tag("template", **{"class": extension.gir_class})
-            self._emit_object_or_template(extension, child_xml)
-            child_xml.end_tag()
-            child_xml.end_tag()
-            xml.start_tag("property", name="bytes")
-            xml.put_cdata(child_xml.result)
-            xml.end_tag()
-
-        elif isinstance(extension, ExtStyles):
-            xml.start_tag("style")
-            for style in extension.children:
-                xml.put_self_closing("class", name=style.name)
-            xml.end_tag()
-
-        elif isinstance(extension, ExtSizeGroupWidgets):
-            xml.start_tag("widgets")
-            for prop in extension.children:
-                xml.put_self_closing("widget", name=prop.name)
-            xml.end_tag()
-
-        else:
-            raise CompilerBugError()
-
-    def _object_id(self, node: AstNode, id: str) -> str:
-        if id == "template" and node.context[ScopeCtx].template is not None:
-            return node.context[ScopeCtx].template.gir_class.glib_type_name
-        else:
-            return id

blueprintcompiler/parse_tree.py

@@ -17,35 +17,30 @@
 #
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
-"""Utilities for parsing an AST from a token stream."""
+""" Utilities for parsing an AST from a token stream. """
 
 import typing as T
+
+from collections import defaultdict
 from enum import Enum
 
-from . import utils
+from .errors import assert_true, CompilerBugError, CompileError, CompileWarning, UnexpectedTokenError
-from .ast_utils import AstNode
+from .tokenizer import Token, TokenType
-from .errors import (
+
-    CompileError,
-    CompilerBugError,
-    CompileWarning,
-    UnexpectedTokenError,
-    assert_true,
-)
-from .tokenizer import Range, Token, TokenType
 
 SKIP_TOKENS = [TokenType.COMMENT, TokenType.WHITESPACE]
 
 
 class ParseResult(Enum):
-    """Represents the result of parsing. The extra EMPTY result is necessary
+    """ Represents the result of parsing. The extra EMPTY result is necessary
     to avoid freezing the parser: imagine a ZeroOrMore node containing a node
     that can match empty. It will repeatedly match empty and never advance
     the parser. So, ZeroOrMore stops when a failed *or empty* match is
-    made."""
+    made. """
 
     SUCCESS = 0
     FAILURE = 1
-    EMPTY = 2
+    EMPTY   = 2
 
     def matched(self):
         return self == ParseResult.SUCCESS
@@ -58,82 +53,75 @@ class ParseResult(Enum):
 
 
 class ParseGroup:
-    """A matching group. Match groups have an AST type, children grouped by
+    """ A matching group. Match groups have an AST type, children grouped by
     type, and key=value pairs. At the end of parsing, the match groups will
     be converted to AST nodes by passing the children and key=value pairs to
-    the AST node constructor."""
+    the AST node constructor. """
 
-    def __init__(self, ast_type: T.Type[AstNode], start: int, text: str):
+    def __init__(self, ast_type, start: int):
         self.ast_type = ast_type
         self.children: T.List[ParseGroup] = []
         self.keys: T.Dict[str, T.Any] = {}
-        self.tokens: T.Dict[str, T.Optional[Token]] = {}
+        self.tokens: T.Dict[str, Token] = {}
-        self.ranges: T.Dict[str, Range] = {}
         self.start = start
-        self.end: T.Optional[int] = None
+        self.end = None
         self.incomplete = False
-        self.text = text
 
-    def add_child(self, child: "ParseGroup"):
+    def add_child(self, child):
         self.children.append(child)
 
-    def set_val(self, key: str, val: T.Any, token: T.Optional[Token]):
+    def set_val(self, key, val, token):
         assert_true(key not in self.keys)
 
         self.keys[key] = val
         self.tokens[key] = token
-        if token:
-            self.set_range(key, token.range)
-
-    def set_range(self, key: str, range: Range):
-        assert_true(key not in self.ranges)
-        self.ranges[key] = range
 
     def to_ast(self):
-        """Creates an AST node from the match group."""
+        """ Creates an AST node from the match group. """
         children = [child.to_ast() for child in self.children]
 
         try:
             return self.ast_type(self, children, self.keys, incomplete=self.incomplete)
-        except TypeError:  # pragma: no cover
+        except TypeError as e:
-            raise CompilerBugError(
+            raise CompilerBugError(f"Failed to construct ast.{self.ast_type.__name__} from ParseGroup. See the previous stacktrace.")
-                f"Failed to construct ast.{self.ast_type.__name__} from ParseGroup. See the previous stacktrace."
+
-            )
+    def __str__(self):
+        result = str(self.ast_type.__name__)
+        result += "".join([f"\n{key}: {val}" for key, val in self.keys.items()]) + "\n"
+        result += "\n".join([str(child) for children in self.children.values() for child in children])
+        return result.replace("\n", "\n  ")
 
 
 class ParseContext:
-    """Contains the state of the parser."""
+    """ Contains the state of the parser. """
 
-    def __init__(self, tokens: T.List[Token], text: str, index=0):
+    def __init__(self, tokens, index=0):
-        self.tokens = tokens
+        self.tokens = list(tokens)
-        self.text = text
 
-        self.binding_power = 0
         self.index = index
         self.start = index
-        self.group: T.Optional[ParseGroup] = None
+        self.group = None
-        self.group_keys: T.Dict[str, T.Tuple[T.Any, T.Optional[Token]]] = {}
+        self.group_keys = {}
-        self.group_children: T.List[ParseGroup] = []
+        self.group_children = []
-        self.group_ranges: T.Dict[str, Range] = {}
+        self.last_group = None
-        self.last_group: T.Optional[ParseGroup] = None
         self.group_incomplete = False
 
-        self.errors: T.List[CompileError] = []
+        self.errors = []
-        self.warnings: T.List[CompileWarning] = []
+        self.warnings = []
 
-    def create_child(self) -> "ParseContext":
+
-        """Creates a new ParseContext at this context's position. The new
+    def create_child(self):
+        """ Creates a new ParseContext at this context's position. The new
         context will be used to parse one node. If parsing is successful, the
         new context will be applied to "self". If parsing fails, the new
-        context will be discarded."""
+        context will be discarded. """
-        ctx = ParseContext(self.tokens, self.text, self.index)
+        ctx = ParseContext(self.tokens, self.index)
         ctx.errors = self.errors
         ctx.warnings = self.warnings
-        ctx.binding_power = self.binding_power
         return ctx
 
-    def apply_child(self, other: "ParseContext"):
+    def apply_child(self, other):
-        """Applies a child context to this context."""
+        """ Applies a child context to this context. """
 
         if other.group is not None:
             # If the other context had a match group, collect all the matched
@@ -142,8 +130,6 @@ class ParseContext:
                 other.group.set_val(key, val, token)
             for child in other.group_children:
                 other.group.add_child(child)
-            for key, range in other.group_ranges.items():
-                other.group.set_range(key, range)
             other.group.end = other.tokens[other.index - 1].end
             other.group.incomplete = other.group_incomplete
             self.group_children.append(other.group)
@@ -152,7 +138,6 @@ class ParseContext:
             # its matched values
             self.group_keys = {**self.group_keys, **other.group_keys}
             self.group_children += other.group_children
-            self.group_ranges = {**self.group_ranges, **other.group_ranges}
             self.group_incomplete |= other.group_incomplete
 
         self.index = other.index
@@ -163,50 +148,43 @@ class ParseContext:
         elif other.last_group:
             self.last_group = other.last_group
 
-    def start_group(self, ast_type: T.Type[AstNode]):
-        """Sets this context to have its own match group."""
-        assert_true(self.group is None)
-        self.group = ParseGroup(ast_type, self.tokens[self.index].start, self.text)
 
-    def set_group_val(self, key: str, value: T.Any, token: T.Optional[Token]):
+    def start_group(self, ast_type):
-        """Sets a matched key=value pair on the current match group."""
+        """ Sets this context to have its own match group. """
+        assert_true(self.group is None)
+        self.group = ParseGroup(ast_type, self.tokens[self.index].start)
+
+    def set_group_val(self, key, value, token):
+        """ Sets a matched key=value pair on the current match group. """
         assert_true(key not in self.group_keys)
         self.group_keys[key] = (value, token)
 
-    def set_mark(self, key: str):
-        """Sets a zero-length range on the current match group at the current position."""
-        self.group_ranges[key] = Range(
-            self.tokens[self.index].start, self.tokens[self.index].start, self.text
-        )
-
     def set_group_incomplete(self):
-        """Marks the current match group as incomplete (it could not be fully
+        """ Marks the current match group as incomplete (it could not be fully
-        parsed, but the parser recovered)."""
+        parsed, but the parser recovered). """
         self.group_incomplete = True
 
+
     def skip(self):
-        """Skips whitespace and comments."""
+        """ Skips whitespace and comments. """
-        while (
+        while self.index < len(self.tokens) and self.tokens[self.index].type in SKIP_TOKENS:
-            self.index < len(self.tokens)
-            and self.tokens[self.index].type in SKIP_TOKENS
-        ):
             self.index += 1
 
     def next_token(self) -> Token:
-        """Advances the token iterator and returns the next token."""
+        """ Advances the token iterator and returns the next token. """
         self.skip()
         token = self.tokens[self.index]
         self.index += 1
         return token
 
     def peek_token(self) -> Token:
-        """Returns the next token without advancing the iterator."""
+        """ Returns the next token without advancing the iterator. """
         self.skip()
         token = self.tokens[self.index]
         return token
 
     def skip_unexpected_token(self):
-        """Skips a token and logs an "unexpected token" error."""
+        """ Skips a token and logs an "unexpected token" error. """
 
         self.skip()
         start = self.tokens[self.index].start
@@ -214,24 +192,22 @@ class ParseContext:
         self.skip()
         end = self.tokens[self.index - 1].end
 
-        if (
+        if (len(self.errors)
-            len(self.errors)
+                and isinstance((err := self.errors[-1]), UnexpectedTokenError)
-            and isinstance((err := self.errors[-1]), UnexpectedTokenError)
+                and err.end == start):
-            and err.range.end == start
+            err.end = end
-        ):
-            err.range.end = end
         else:
-            self.errors.append(UnexpectedTokenError(Range(start, end, self.text)))
+            self.errors.append(UnexpectedTokenError(start, end))
 
-    def is_eof(self) -> bool:
+    def is_eof(self) -> Token:
         return self.index >= len(self.tokens) or self.peek_token().type == TokenType.EOF
 
 
 class ParseNode:
-    """Base class for the nodes in the parser tree."""
+    """ Base class for the nodes in the parser tree. """
 
     def parse(self, ctx: ParseContext) -> ParseResult:
-        """Attempts to match the ParseNode at the context's current location."""
+        """ Attempts to match the ParseNode at the context's current location. """
         start_idx = ctx.index
         inner_ctx = ctx.create_child()
 
@@ -247,45 +223,65 @@ class ParseNode:
     def _parse(self, ctx: ParseContext) -> bool:
         raise NotImplementedError()
 
-    def err(self, message: str) -> "Err":
+    def err(self, message):
-        """Causes this ParseNode to raise an exception if it fails to parse.
+        """ Causes this ParseNode to raise an exception if it fails to parse.
         This prevents the parser from backtracking, so you should understand
-        what it does and how the parser works before using it."""
+        what it does and how the parser works before using it. """
         return Err(self, message)
 
-    def expected(self, expect: str) -> "Err":
+    def expected(self, expect):
-        """Convenience method for err()."""
+        """ Convenience method for err(). """
         return self.err("Expected " + expect)
 
+    def warn(self, message):
+        """ Causes this ParseNode to emit a warning if it parses successfully. """
+        return Warning(self, message)
+
 
 class Err(ParseNode):
-    """ParseNode that emits a compile error if it fails to parse."""
+    """ ParseNode that emits a compile error if it fails to parse. """
 
-    def __init__(self, child, message: str):
+    def __init__(self, child, message):
         self.child = to_parse_node(child)
         self.message = message
 
-    def _parse(self, ctx: ParseContext):
+    def _parse(self, ctx):
         if self.child.parse(ctx).failed():
             start_idx = ctx.start
             while ctx.tokens[start_idx].type in SKIP_TOKENS:
                 start_idx += 1
-            start_token = ctx.tokens[start_idx]
 
-            raise CompileError(
+            start_token = ctx.tokens[start_idx]
-                self.message, Range(start_token.start, start_token.start, ctx.text)
+            end_token = ctx.tokens[ctx.index]
-            )
+            raise CompileError(self.message, start_token.start, end_token.end)
+        return True
+
+
+class Warning(ParseNode):
+    """ ParseNode that emits a compile warning if it parses successfully. """
+
+    def __init__(self, child, message):
+        self.child = to_parse_node(child)
+        self.message = message
+
+    def _parse(self, ctx):
+        ctx.skip()
+        start_idx = ctx.index
+        if self.child.parse(ctx).succeeded():
+            start_token = ctx.tokens[start_idx]
+            end_token = ctx.tokens[ctx.index]
+            ctx.warnings.append(CompileWarning(self.message, start_token.start, end_token.end))
         return True
 
 
 class Fail(ParseNode):
-    """ParseNode that emits a compile error if it parses successfully."""
+    """ ParseNode that emits a compile error if it parses successfully. """
 
-    def __init__(self, child, message: str):
+    def __init__(self, child, message):
         self.child = to_parse_node(child)
         self.message = message
 
-    def _parse(self, ctx: ParseContext):
+    def _parse(self, ctx):
         if self.child.parse(ctx).succeeded():
             start_idx = ctx.start
             while ctx.tokens[start_idx].type in SKIP_TOKENS:
@@ -293,16 +289,13 @@ class Fail(ParseNode):
 
             start_token = ctx.tokens[start_idx]
             end_token = ctx.tokens[ctx.index]
-            raise CompileError(
+            raise CompileError(self.message, start_token.start, end_token.end)
-                self.message, Range.join(start_token.range, end_token.range)
-            )
         return True
 
 
 class Group(ParseNode):
-    """ParseNode that creates a match group."""
+    """ ParseNode that creates a match group. """
-
+    def __init__(self, ast_type, child):
-    def __init__(self, ast_type: T.Type[AstNode], child):
         self.ast_type = ast_type
         self.child = to_parse_node(child)
 
@@ -313,8 +306,7 @@ class Group(ParseNode):
 
 
 class Sequence(ParseNode):
-    """ParseNode that attempts to match all of its children in sequence."""
+    """ ParseNode that attempts to match all of its children in sequence. """
-
     def __init__(self, *children):
         self.children = [to_parse_node(child) for child in children]
 
@@ -326,9 +318,8 @@ class Sequence(ParseNode):
 
 
 class Statement(ParseNode):
-    """ParseNode that attempts to match all of its children in sequence. If any
+    """ ParseNode that attempts to match all of its children in sequence. If any
-    child raises an error, the error will be logged but parsing will continue."""
+    child raises an error, the error will be logged but parsing will continue. """
-
     def __init__(self, *children):
         self.children = [to_parse_node(child) for child in children]
 
@@ -344,23 +335,21 @@ class Statement(ParseNode):
 
         token = ctx.peek_token()
         if str(token) != ";":
-            ctx.errors.append(CompileError("Expected `;`", token.range))
+            ctx.errors.append(CompileError("Expected `;`", token.start, token.end))
         else:
             ctx.next_token()
         return True
 
 
 class AnyOf(ParseNode):
-    """ParseNode that attempts to match exactly one of its children. Child
+    """ ParseNode that attempts to match exactly one of its children. Child
-    nodes are attempted in order."""
+    nodes are attempted in order. """
-
     def __init__(self, *children):
         self.children = children
 
     @property
     def children(self):
         return self._children
-
     @children.setter
     def children(self, children):
         self._children = [to_parse_node(child) for child in children]
@@ -373,18 +362,14 @@ class AnyOf(ParseNode):
 
 
 class Until(ParseNode):
-    """ParseNode that repeats its child until a delimiting token is found. If
+    """ ParseNode that repeats its child until a delimiting token is found. If
     the child does not match, one token is skipped and the match is attempted
-    again."""
+    again. """
-
+    def __init__(self, child, delimiter):
-    def __init__(self, child, delimiter, between_delimiter=None):
         self.child = to_parse_node(child)
         self.delimiter = to_parse_node(delimiter)
-        self.between_delimiter = (
-            to_parse_node(between_delimiter) if between_delimiter is not None else None
-        )
 
-    def _parse(self, ctx: ParseContext):
+    def _parse(self, ctx):
         while not self.delimiter.parse(ctx).succeeded():
             if ctx.is_eof():
                 return False
@@ -392,17 +377,6 @@ class Until(ParseNode):
             try:
                 if not self.child.parse(ctx).matched():
                     ctx.skip_unexpected_token()
-
-                if (
-                    self.between_delimiter is not None
-                    and not self.between_delimiter.parse(ctx).succeeded()
-                ):
-                    if self.delimiter.parse(ctx).succeeded():
-                        return True
-                    else:
-                        if ctx.is_eof():
-                            return False
-                        ctx.skip_unexpected_token()
             except CompileError as e:
                 ctx.errors.append(e)
                 ctx.next_token()
@@ -411,13 +385,13 @@ class Until(ParseNode):
 
 
 class ZeroOrMore(ParseNode):
-    """ParseNode that matches its child any number of times (including zero
+    """ ParseNode that matches its child any number of times (including zero
     times). It cannot fail to parse. If its child raises an exception, one token
-    will be skipped and parsing will continue."""
+    will be skipped and parsing will continue. """
-
     def __init__(self, child):
         self.child = to_parse_node(child)
 
+
     def _parse(self, ctx):
         while True:
             try:
@@ -429,9 +403,8 @@ class ZeroOrMore(ParseNode):
 
 
 class Delimited(ParseNode):
-    """ParseNode that matches its first child any number of times (including zero
+    """ ParseNode that matches its first child any number of times (including zero
-    times) with its second child in between and optionally at the end."""
+    times) with its second child in between and optionally at the end. """
-
     def __init__(self, child, delimiter):
         self.child = to_parse_node(child)
         self.delimiter = to_parse_node(delimiter)
@@ -443,9 +416,8 @@ class Delimited(ParseNode):
 
 
 class Optional(ParseNode):
-    """ParseNode that matches its child zero or one times. It cannot fail to
+    """ ParseNode that matches its child zero or one times. It cannot fail to
-    parse."""
+    parse. """
-
     def __init__(self, child):
         self.child = to_parse_node(child)
 
@@ -455,25 +427,23 @@ class Optional(ParseNode):
 
 
 class Eof(ParseNode):
-    """ParseNode that matches an EOF token."""
+    """ ParseNode that matches an EOF token. """
-
     def _parse(self, ctx: ParseContext) -> bool:
         token = ctx.next_token()
         return token.type == TokenType.EOF
 
 
 class Match(ParseNode):
-    """ParseNode that matches the given literal token."""
+    """ ParseNode that matches the given literal token. """
-
+    def __init__(self, op):
-    def __init__(self, op: str):
         self.op = op
 
     def _parse(self, ctx: ParseContext) -> bool:
         token = ctx.next_token()
         return str(token) == self.op
 
-    def expected(self, expect: T.Optional[str] = None):
+    def expected(self, expect: str = None):
-        """Convenience method for err()."""
+        """ Convenience method for err(). """
         if expect is None:
             return self.err(f"Expected '{self.op}'")
         else:
@@ -481,10 +451,9 @@ class Match(ParseNode):
 
 
 class UseIdent(ParseNode):
-    """ParseNode that matches any identifier and sets it in a key=value pair on
+    """ ParseNode that matches any identifier and sets it in a key=value pair on
-    the containing match group."""
+    the containing match group. """
-
+    def __init__(self, key):
-    def __init__(self, key: str):
         self.key = key
 
     def _parse(self, ctx: ParseContext):
@@ -497,10 +466,9 @@ class UseIdent(ParseNode):
 
 
 class UseNumber(ParseNode):
-    """ParseNode that matches a number and sets it in a key=value pair on
+    """ ParseNode that matches a number and sets it in a key=value pair on
-    the containing match group."""
+    the containing match group. """
-
+    def __init__(self, key):
-    def __init__(self, key: str):
         self.key = key
 
     def _parse(self, ctx: ParseContext):
@@ -509,15 +477,16 @@ class UseNumber(ParseNode):
             return False
 
         number = token.get_number()
+        if number % 1.0 == 0:
+            number = int(number)
         ctx.set_group_val(self.key, number, token)
         return True
 
 
 class UseNumberText(ParseNode):
-    """ParseNode that matches a number, but sets its *original text* it in a
+    """ ParseNode that matches a number, but sets its *original text* it in a
-    key=value pair on the containing match group."""
+    key=value pair on the containing match group. """
-
+    def __init__(self, key):
-    def __init__(self, key: str):
         self.key = key
 
     def _parse(self, ctx: ParseContext):
@@ -530,10 +499,9 @@ class UseNumberText(ParseNode):
 
 
 class UseQuoted(ParseNode):
-    """ParseNode that matches a quoted string and sets it in a key=value pair
+    """ ParseNode that matches a quoted string and sets it in a key=value pair
-    on the containing match group."""
+    on the containing match group. """
-
+    def __init__(self, key):
-    def __init__(self, key: str):
         self.key = key
 
     def _parse(self, ctx: ParseContext):
@@ -541,28 +509,20 @@ class UseQuoted(ParseNode):
         if token.type != TokenType.QUOTED:
             return False
 
-        unescaped = None
+        string = (str(token)[1:-1]
-
+            .replace("\\n", "\n")
-        try:
+            .replace("\\\"", "\"")
-            unescaped = utils.unescape_quote(str(token))
+            .replace("\\\\", "\\")
-        except utils.UnescapeError as e:
+            .replace("\\'", "\'"))
-            start = ctx.tokens[ctx.index - 1].start
+        ctx.set_group_val(self.key, string, token)
-            range = Range(start + e.start, start + e.end, ctx.text)
-            ctx.errors.append(
-                CompileError(f"Invalid escape sequence '{range.text}'", range)
-            )
-
-        ctx.set_group_val(self.key, unescaped, token)
-
         return True
 
 
 class UseLiteral(ParseNode):
-    """ParseNode that doesn't match anything, but rather sets a static key=value
+    """ ParseNode that doesn't match anything, but rather sets a static key=value
     pair on the containing group. Useful for, e.g., property and signal flags:
-    `Sequence(Keyword("swapped"), UseLiteral("swapped", True))`"""
+    `Sequence(Keyword("swapped"), UseLiteral("swapped", True))` """
-
+    def __init__(self, key, literal):
-    def __init__(self, key: str, literal: T.Any):
         self.key = key
         self.literal = literal
 
@@ -571,24 +531,10 @@ class UseLiteral(ParseNode):
         return True
 
 
-class UseExact(ParseNode):
-    """Matches the given identifier and sets it as a named token."""
-
-    def __init__(self, key: str, string: str):
-        self.key = key
-        self.string = string
-
-    def _parse(self, ctx: ParseContext):
-        token = ctx.next_token()
-        ctx.set_group_val(self.key, self.string, token)
-        return str(token) == self.string
-
-
 class Keyword(ParseNode):
-    """Matches the given identifier and sets it as a named token, with the name
+    """ Matches the given identifier and sets it as a named token, with the name
-    being the identifier itself."""
+    being the identifier itself. """
-
+    def __init__(self, kw):
-    def __init__(self, kw: str):
         self.kw = kw
         self.set_token = True
 
@@ -598,15 +544,6 @@ class Keyword(ParseNode):
         return str(token) == self.kw
 
 
-class Mark(ParseNode):
-    def __init__(self, key: str):
-        self.key = key
-
-    def _parse(self, ctx: ParseContext):
-        ctx.set_mark(self.key)
-        return True
-
-
 def to_parse_node(value) -> ParseNode:
     if isinstance(value, str):
         return Match(value)

blueprintcompiler/parser.py

@@ -19,29 +19,20 @@
 
 
 from .errors import MultipleErrors, PrintableError
-from .language import OBJECT_CONTENT_HOOKS, UI, Template
 from .parse_tree import *
+from .parser_utils import *
 from .tokenizer import TokenType
+from .language import OBJECT_HOOKS, OBJECT_CONTENT_HOOKS, VALUE_HOOKS, Template, UI
 
 
-def parse(
+def parse(tokens) -> T.Tuple[UI, T.Optional[MultipleErrors], T.List[PrintableError]]:
-    tokens: T.List[Token],
+    """ Parses a list of tokens into an abstract syntax tree. """
-) -> T.Tuple[T.Optional[UI], T.Optional[MultipleErrors], T.List[CompileError]]:
-    """Parses a list of tokens into an abstract syntax tree."""
 
-    try:
+    ctx = ParseContext(tokens)
-        original_text = tokens[0].string if len(tokens) else ""
+    AnyOf(UI).parse(ctx)
-        ctx = ParseContext(tokens, original_text)
-        AnyOf(UI).parse(ctx)
 
-        assert ctx.last_group is not None
+    ast_node = ctx.last_group.to_ast() if ctx.last_group else None
-        ast_node = ctx.last_group.to_ast()
+    errors = MultipleErrors(ctx.errors) if len(ctx.errors) else None
+    warnings = ctx.warnings
 
-        errors = [*ctx.errors, *ast_node.errors]
+    return (ast_node, errors, warnings)
-        warnings = [*ctx.warnings, *ast_node.warnings]
-
-        return (ast_node, MultipleErrors(errors) if len(errors) else None, warnings)
-    except MultipleErrors as e:
-        return (None, e, [])
-    except CompileError as e:
-        return (None, MultipleErrors([e]), [])

blueprintcompiler/parser_utils.py

@@ -1,6 +1,6 @@
-# translation_domain.py
+# parser_utils.py
 #
-# Copyright 2022 James Westman <james@jwestman.net>
+# Copyright 2021 James Westman <james@jwestman.net>
 #
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU Lesser General Public License as
@@ -17,19 +17,20 @@
 #
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
-from .common import *
+
+from .parse_tree import *
 
 
-class TranslationDomain(AstNode):
+class_name = AnyOf(
-    grammar = Statement(
+    [
-        "translation-domain",
+        UseIdent("namespace"),
-        UseQuoted("domain"),
+        ".",
-    )
+        UseIdent("class_name"),
-
+    ],
-    @property
+    [
-    def domain(self):
+        ".",
-        return self.tokens["domain"]
+        UseIdent("class_name"),
-
+        UseLiteral("ignore_gir", True),
-    @docs()
+    ],
-    def ref_docs(self):
+    UseIdent("class_name"),
-        return get_docs_section("Syntax TranslationDomain")
+)

blueprintcompiler/tokenizer.py

@@ -18,80 +18,66 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
 
-import re
 import typing as T
-from dataclasses import dataclass
+import re
 from enum import Enum
 
-from . import utils
+from .errors import CompileError
 
 
 class TokenType(Enum):
-    EOF = 0
+    EOF             = 0
-    IDENT = 1
+    IDENT           = 1
-    QUOTED = 2
+    QUOTED          = 2
-    NUMBER = 3
+    NUMBER          = 3
-    OP = 4
+    OP              = 4
-    WHITESPACE = 5
+    WHITESPACE      = 5
-    COMMENT = 6
+    COMMENT         = 6
-    PUNCTUATION = 7
+    PUNCTUATION     = 7
 
 
 _tokens = [
-    (TokenType.IDENT, r"[A-Za-z_][\d\w\-_]*"),
+    (TokenType.IDENT,           r"[A-Za-z_][\d\w\-_]*"),
-    (TokenType.QUOTED, r'"(\\(.|\n)|[^\\"\n])*"'),
+    (TokenType.QUOTED,          r'"(\\"|[^"\n])*"'),
-    (TokenType.QUOTED, r"'(\\(.|\n)|[^\\'\n])*'"),
+    (TokenType.QUOTED,          r"'(\\'|[^'\n])*'"),
-    (TokenType.NUMBER, r"0x[A-Za-z0-9_]+"),
+    (TokenType.NUMBER,          r"0x[A-Fa-f0-9_]+"),
-    (TokenType.NUMBER, r"[\d_]+(\.[\d_]+)?"),
+    (TokenType.NUMBER,          r"[-+]?[\d_]*\d(\.[\d_]*\d)?"),
-    (TokenType.NUMBER, r"\.[\d_]+"),
+    (TokenType.NUMBER,          r"[-+]?\.[\d_]*\d"),
-    (TokenType.WHITESPACE, r"\s+"),
+    (TokenType.WHITESPACE,      r"\s+"),
-    (TokenType.COMMENT, r"\/\*[\s\S]*?\*\/"),
+    (TokenType.COMMENT,         r"\/\*[\s\S]*?\*\/"),
-    (TokenType.COMMENT, r"\/\/[^\n]*"),
+    (TokenType.COMMENT,         r"\/\/[^\n]*"),
-    (TokenType.OP, r"\$|<<|>>|=>|::|<|>|:=|\.|\|\||\||\+|\-|\*|=|:|/"),
+    (TokenType.OP,              r"<<|>>|=>|::|<|>|:=|\.|\|\||\||\+|\-|\*|=|:|/"),
-    (TokenType.PUNCTUATION, r"\(|\)|\{|\}|;|\[|\]|\,"),
+    (TokenType.PUNCTUATION,     r"\(|\)|\{|\}|;|\[|\]|\,"),
 ]
 _TOKENS = [(type, re.compile(regex)) for (type, regex) in _tokens]
 
 
 class Token:
-    def __init__(self, type: TokenType, start: int, end: int, string: str):
+    def __init__(self, type, start, end, string):
         self.type = type
         self.start = start
         self.end = end
         self.string = string
 
-    def __str__(self) -> str:
+    def __str__(self):
-        return self.string[self.start : self.end]
+        return self.string[self.start:self.end]
-
-    @property
-    def range(self) -> "Range":
-        return Range(self.start, self.end, self.string)
-
-    def get_number(self) -> T.Union[int, float]:
-        from .errors import CompileError, CompilerBugError
 
+    def get_number(self):
         if self.type != TokenType.NUMBER:
-            raise CompilerBugError()
+            return None
 
         string = str(self).replace("_", "")
-        try:
+        if string.startswith("0x"):
-            if string.startswith("0x"):
+            return int(string, 16)
-                return int(string, 16)
+        else:
-            elif "." in string:
+            return float(string.replace("_", ""))
-                return float(string)
-            else:
-                return int(string)
-        except:
-            raise CompileError(f"{str(self)} is not a valid number literal", self.range)
 
 
 def _tokenize(ui_ml: str):
-    from .errors import CompileError
-
     i = 0
     while i < len(ui_ml):
         matched = False
-        for type, regex in _TOKENS:
+        for (type, regex) in _TOKENS:
             match = regex.match(ui_ml, i)
 
             if match is not None:
@@ -101,55 +87,10 @@ def _tokenize(ui_ml: str):
                 break
 
         if not matched:
-            raise CompileError(
+            raise CompileError("Could not determine what kind of syntax is meant here", i, i)
-                "Could not determine what kind of syntax is meant here",
-                Range(i, i, ui_ml),
-            )
 
     yield Token(TokenType.EOF, i, i, ui_ml)
 
 
 def tokenize(data: str) -> T.List[Token]:
     return list(_tokenize(data))
-
-
-@dataclass
-class Range:
-    start: int
-    end: int
-    original_text: str
-
-    @property
-    def length(self) -> int:
-        return self.end - self.start
-
-    @property
-    def text(self) -> str:
-        return self.original_text[self.start : self.end]
-
-    @property
-    def with_trailing_newline(self) -> "Range":
-        if len(self.original_text) > self.end and self.original_text[self.end] == "\n":
-            return Range(self.start, self.end + 1, self.original_text)
-        else:
-            return self
-
-    @staticmethod
-    def join(a: T.Optional["Range"], b: T.Optional["Range"]) -> T.Optional["Range"]:
-        if a is None:
-            return b
-        if b is None:
-            return a
-        return Range(min(a.start, b.start), max(a.end, b.end), a.original_text)
-
-    def __contains__(self, other: T.Union[int, "Range"]) -> bool:
-        if isinstance(other, int):
-            return self.start <= other <= self.end
-        else:
-            return self.start <= other.start and self.end >= other.end
-
-    def to_json(self):
-        return utils.idxs_to_range(self.start, self.end, self.original_text)
-
-    def overlaps(self, other: "Range") -> bool:
-        return not (self.end < other.start or self.start > other.end)

blueprintcompiler/typelib.py

@@ -1,322 +0,0 @@
-# typelib.py
-#
-# Copyright 2022 James Westman <james@jwestman.net>
-#
-# This file is free software; you can redistribute it and/or modify it
-# under the terms of the GNU Lesser General Public License as
-# published by the Free Software Foundation; either version 3 of the
-# License, or (at your option) any later version.
-#
-# This file is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-# Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
-# SPDX-License-Identifier: LGPL-3.0-or-later
-
-import math
-import mmap
-import os
-import sys
-import typing as T
-from ctypes import *
-
-from .errors import CompilerBugError
-
-BLOB_TYPE_STRUCT = 3
-BLOB_TYPE_BOXED = 4
-BLOB_TYPE_ENUM = 5
-BLOB_TYPE_FLAGS = 6
-BLOB_TYPE_OBJECT = 7
-BLOB_TYPE_INTERFACE = 8
-
-TYPE_VOID = 0
-TYPE_BOOLEAN = 1
-TYPE_INT8 = 2
-TYPE_UINT8 = 3
-TYPE_INT16 = 4
-TYPE_UINT16 = 5
-TYPE_INT32 = 6
-TYPE_UINT32 = 7
-TYPE_INT64 = 8
-TYPE_UINT64 = 9
-TYPE_FLOAT = 10
-TYPE_DOUBLE = 11
-TYPE_GTYPE = 12
-TYPE_UTF8 = 13
-TYPE_FILENAME = 14
-TYPE_ARRAY = 15
-TYPE_INTERFACE = 16
-TYPE_GLIST = 17
-TYPE_GSLIST = 18
-TYPE_GHASH = 19
-TYPE_ERROR = 20
-TYPE_UNICHAR = 21
-
-
-class Field:
-    def __init__(self, offset: int, type: str, shift=0, mask=None):
-        self._offset = offset
-        self._type = type
-        if not mask or sys.byteorder == "little":
-            self._shift = shift
-        elif self._type == "u8" or self._type == "i8":
-            self._shift = 8 - (shift + mask)
-        elif self._type == "u16" or self._type == "i16":
-            self._shift = 16 - (shift + mask)
-        else:
-            self._shift = 32 - (shift + mask)
-        self._mask = (1 << mask) - 1 if mask else None
-        self._name = f"{offset}__{type}__{shift}__{mask}"
-
-    def __get__(self, typelib: "Typelib", _objtype=None):
-        if typelib is None:
-            return self
-
-        def shift_mask(n):
-            n = n >> self._shift
-            if self._mask:
-                n = n & self._mask
-            return n
-
-        tl = typelib[self._offset]
-        if self._type == "u8":
-            return shift_mask(tl.u8)
-        elif self._type == "u16":
-            return shift_mask(tl.u16)
-        elif self._type == "u32":
-            return shift_mask(tl.u32)
-        elif self._type == "i8":
-            return shift_mask(tl.i8)
-        elif self._type == "i16":
-            return shift_mask(tl.i16)
-        elif self._type == "i32":
-            return shift_mask(tl.i32)
-        elif self._type == "pointer":
-            return tl.header[tl.u32]
-        elif self._type == "offset":
-            return tl
-        elif self._type == "string":
-            return tl.string
-        elif self._type == "dir_entry":
-            return tl.header.dir_entry(tl.u16)
-        else:
-            raise CompilerBugError(self._type)
-
-
-class Typelib:
-    AS_DIR_ENTRY = Field(0, "dir_entry")
-
-    HEADER_N_ENTRIES = Field(0x14, "u16")
-    HEADER_N_LOCAL_ENTRIES = Field(0x16, "u16")
-    HEADER_DIRECTORY = Field(0x18, "pointer")
-    HEADER_N_ATTRIBUTES = Field(0x1C, "u32")
-    HEADER_ATTRIBUTES = Field(0x20, "pointer")
-
-    HEADER_DEPENDENCIES = Field(0x24, "pointer")
-
-    HEADER_NAMESPACE = Field(0x2C, "string")
-    HEADER_NSVERSION = Field(0x30, "string")
-
-    HEADER_ENTRY_BLOB_SIZE = Field(0x3C, "u16")
-    HEADER_FUNCTION_BLOB_SIZE = Field(0x3E, "u16")
-    HEADER_CALLBACK_BLOB_SIZE = Field(0x40, "u16")
-    HEADER_SIGNAL_BLOB_SIZE = Field(0x42, "u16")
-    HEADER_ARG_BLOB_SIZE = Field(0x46, "u16")
-    HEADER_PROPERTY_BLOB_SIZE = Field(0x48, "u16")
-    HEADER_FIELD_BLOB_SIZE = Field(0x4A, "u16")
-    HEADER_VALUE_BLOB_SIZE = Field(0x4C, "u16")
-    HEADER_ATTRIBUTE_BLOB_SIZE = Field(0x4E, "u16")
-    HEADER_ENUM_BLOB_SIZE = Field(0x56, "u16")
-    HEADER_OBJECT_BLOB_SIZE = Field(0x5A, "u16")
-    HEADER_INTERFACE_BLOB_SIZE = Field(0x5C, "u16")
-
-    DIR_ENTRY_BLOB_TYPE = Field(0x0, "u16")
-    DIR_ENTRY_LOCAL = Field(0x2, "u16", 0, 1)
-    DIR_ENTRY_NAME = Field(0x4, "string")
-    DIR_ENTRY_OFFSET = Field(0x8, "pointer")
-    DIR_ENTRY_NAMESPACE = Field(0x8, "string")
-
-    ARG_NAME = Field(0x0, "string")
-    ARG_TYPE = Field(0xC, "u32")
-
-    SIGNATURE_RETURN_TYPE = Field(0x0, "u32")
-    SIGNATURE_N_ARGUMENTS = Field(0x6, "u16")
-    SIGNATURE_ARGUMENTS = Field(0x8, "offset")
-
-    ATTR_OFFSET = Field(0x0, "u32")
-    ATTR_NAME = Field(0x4, "string")
-    ATTR_VALUE = Field(0x8, "string")
-
-    TYPE_BLOB_TAG = Field(0x0, "u8", 3, 5)
-    TYPE_BLOB_INTERFACE = Field(0x2, "dir_entry")
-    TYPE_BLOB_ARRAY_INNER = Field(0x4, "u32")
-
-    BLOB_NAME = Field(0x4, "string")
-
-    STRUCT_DEPRECATED = Field(0x2, "u16", 0, 1)
-
-    ENUM_DEPRECATED = Field(0x2, "u16", 0, 1)
-    ENUM_GTYPE_NAME = Field(0x8, "string")
-    ENUM_N_VALUES = Field(0x10, "u16")
-    ENUM_N_METHODS = Field(0x12, "u16")
-    ENUM_VALUES = Field(0x18, "offset")
-
-    INTERFACE_DEPRECATED = Field(0x2, "u16", 0, 1)
-    INTERFACE_GTYPE_NAME = Field(0x8, "string")
-    INTERFACE_N_PREREQUISITES = Field(0x12, "u16")
-    INTERFACE_N_PROPERTIES = Field(0x14, "u16")
-    INTERFACE_N_METHODS = Field(0x16, "u16")
-    INTERFACE_N_SIGNALS = Field(0x18, "u16")
-    INTERFACE_N_VFUNCS = Field(0x1A, "u16")
-    INTERFACE_N_CONSTANTS = Field(0x1C, "u16")
-    INTERFACE_PREREQUISITES = Field(0x28, "offset")
-
-    OBJ_DEPRECATED = Field(0x02, "u16", 0, 1)
-    OBJ_ABSTRACT = Field(0x02, "u16", 1, 1)
-    OBJ_FUNDAMENTAL = Field(0x02, "u16", 2, 1)
-    OBJ_FINAL = Field(0x02, "u16", 3, 1)
-    OBJ_GTYPE_NAME = Field(0x08, "string")
-    OBJ_PARENT = Field(0x10, "dir_entry")
-    OBJ_GTYPE_STRUCT = Field(0x12, "string")
-    OBJ_N_INTERFACES = Field(0x14, "u16")
-    OBJ_N_FIELDS = Field(0x16, "u16")
-    OBJ_N_PROPERTIES = Field(0x18, "u16")
-    OBJ_N_METHODS = Field(0x1A, "u16")
-    OBJ_N_SIGNALS = Field(0x1C, "u16")
-    OBJ_N_VFUNCS = Field(0x1E, "u16")
-    OBJ_N_CONSTANTS = Field(0x20, "u16")
-    OBJ_N_FIELD_CALLBACKS = Field(0x22, "u16")
-
-    PROP_NAME = Field(0x0, "string")
-    PROP_DEPRECATED = Field(0x4, "u32", 0, 1)
-    PROP_READABLE = Field(0x4, "u32", 1, 1)
-    PROP_WRITABLE = Field(0x4, "u32", 2, 1)
-    PROP_CONSTRUCT = Field(0x4, "u32", 3, 1)
-    PROP_CONSTRUCT_ONLY = Field(0x4, "u32", 4, 1)
-    PROP_TYPE = Field(0xC, "u32")
-
-    SIGNAL_DEPRECATED = Field(0x0, "u16", 0, 1)
-    SIGNAL_DETAILED = Field(0x0, "u16", 5, 1)
-    SIGNAL_NAME = Field(0x4, "string")
-    SIGNAL_SIGNATURE = Field(0xC, "pointer")
-
-    VALUE_NAME = Field(0x4, "string")
-    VALUE_VALUE = Field(0x8, "i32")
-
-    def __init__(self, typelib_file, offset: int):
-        self._typelib_file = typelib_file
-        self._offset = offset
-
-    def __getitem__(self, index: int):
-        return Typelib(self._typelib_file, self._offset + index)
-
-    def attr(self, name):
-        return self.header.attr(self._offset, name)
-
-    @property
-    def header(self) -> "TypelibHeader":
-        return TypelibHeader(self._typelib_file)
-
-    @property
-    def u8(self) -> int:
-        """Gets the 8-bit unsigned int at this location."""
-        return self._int(1, False)
-
-    @property
-    def u16(self) -> int:
-        """Gets the 16-bit unsigned int at this location."""
-        return self._int(2, False)
-
-    @property
-    def u32(self) -> int:
-        """Gets the 32-bit unsigned int at this location."""
-        return self._int(4, False)
-
-    @property
-    def i8(self) -> int:
-        """Gets the 8-bit unsigned int at this location."""
-        return self._int(1, True)
-
-    @property
-    def i16(self) -> int:
-        """Gets the 16-bit unsigned int at this location."""
-        return self._int(2, True)
-
-    @property
-    def i32(self) -> int:
-        """Gets the 32-bit unsigned int at this location."""
-        return self._int(4, True)
-
-    @property
-    def string(self) -> T.Optional[str]:
-        """Interprets the 32-bit unsigned int at this location as a pointer
-        within the typelib file, and returns the null-terminated string at that
-        pointer."""
-
-        loc = self.u32
-        if loc == 0:
-            return None
-
-        end = self._typelib_file.find(b"\0", loc)
-        return self._typelib_file[loc:end].decode("utf-8")
-
-    def _int(self, size, signed) -> int:
-        return int.from_bytes(
-            self._typelib_file[self._offset : self._offset + size],
-            sys.byteorder,
-            signed=signed,
-        )
-
-
-class TypelibHeader(Typelib):
-    def __init__(self, typelib_file):
-        super().__init__(typelib_file, 0)
-
-    def dir_entry(self, index) -> T.Optional[Typelib]:
-        if index == 0:
-            return None
-        else:
-            return self.HEADER_DIRECTORY[(index - 1) * self.HEADER_ENTRY_BLOB_SIZE]
-
-    def attr(self, offset, name):
-        lower = 0
-        upper = self.HEADER_N_ATTRIBUTES
-        attr_size = self.HEADER_ATTRIBUTE_BLOB_SIZE
-        attrs = self.HEADER_ATTRIBUTES
-        mid = 0
-
-        while lower <= upper:
-            mid = math.floor((upper + lower) / 2)
-            attr = attrs[mid * attr_size]
-            if attr.ATTR_OFFSET < offset:
-                lower = mid + 1
-            elif attr.ATTR_OFFSET > offset:
-                upper = mid - 1
-            else:
-                while mid >= 0 and attrs[(mid - 1) * attr_size].ATTR_OFFSET == offset:
-                    mid -= 1
-                break
-        if attrs[mid * attr_size].ATTR_OFFSET != offset:
-            # no match found
-            return None
-        while attrs[mid * attr_size].ATTR_OFFSET == offset:
-            if attrs[mid * attr_size].ATTR_NAME == name:
-                return attrs[mid * attr_size].ATTR_VALUE
-            mid += 1
-        return None
-
-    def attr_by_index(self, index):
-        pass
-
-    @property
-    def dir_entries(self):
-        return [self.dir_entry(i) for i in range(self[0x16].u16)]
-
-
-def load_typelib(path: str) -> Typelib:
-    with open(path, "rb") as f:
-        return Typelib(f.read(), 0)

blueprintcompiler/utils.py

@@ -18,20 +18,18 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
 import typing as T
-from dataclasses import dataclass
 
 
 class Colors:
-    RED = "\033[91m"
+    RED = '\033[91m'
-    GREEN = "\033[92m"
+    GREEN = '\033[92m'
-    YELLOW = "\033[33m"
+    YELLOW = '\033[33m'
-    PURPLE = "\033[35m"
+    FAINT = '\033[2m'
-    FAINT = "\033[2m"
+    BOLD = '\033[1m'
-    BOLD = "\033[1m"
+    BLUE = '\033[34m'
-    BLUE = "\033[34m"
+    UNDERLINE = '\033[4m'
-    UNDERLINE = "\033[4m"
+    NO_UNDERLINE = '\033[24m'
-    NO_UNDERLINE = "\033[24m"
+    CLEAR = '\033[0m'
-    CLEAR = "\033[0m"
 
 
 def did_you_mean(word: str, options: T.List[str]) -> T.Optional[str]:
@@ -58,34 +56,29 @@ def did_you_mean(word: str, options: T.List[str]) -> T.Optional[str]:
                         cost = 1
                     else:
                         cost = 2
-                distances[i][j] = min(
+                distances[i][j] = min(distances[i-1][j] + 2, distances[i][j-1] + 2, distances[i-1][j-1] + cost)
-                    distances[i - 1][j] + 2,
-                    distances[i][j - 1] + 2,
-                    distances[i - 1][j - 1] + cost,
-                )
 
-        return distances[m - 1][n - 1]
+        return distances[m-1][n-1]
 
     distances = [(option, levenshtein(word, option)) for option in options]
-    closest = min(distances, key=lambda item: item[1])
+    closest = min(distances, key=lambda item:item[1])
     if closest[1] <= 5:
         return closest[0]
     return None
 
 
 def idx_to_pos(idx: int, text: str) -> T.Tuple[int, int]:
-    if idx == 0 or len(text) == 0:
+    if idx == 0:
         return (0, 0)
-    line_num = text.count("\n", 0, idx) + 1
+    sp = text[:idx].splitlines(keepends=True)
-    col_num = idx - text.rfind("\n", 0, idx) - 1
+    line_num = len(sp)
+    col_num = len(sp[-1])
     return (line_num - 1, col_num)
 
-
 def pos_to_idx(line: int, col: int, text: str) -> int:
     lines = text.splitlines(keepends=True)
     return sum([len(line) for line in lines[:line]]) + col
 
-
 def idxs_to_range(start: int, end: int, text: str):
     start_l, start_c = idx_to_pos(start, text)
     end_l, end_c = idx_to_pos(end, text)
@@ -99,58 +92,3 @@ def idxs_to_range(start: int, end: int, text: str):
             "character": end_c,
         },
     }
-
-
-@dataclass
-class UnescapeError(Exception):
-    start: int
-    end: int
-
-
-def escape_quote(string: str) -> str:
-    return (
-        '"'
-        + (
-            string.replace("\\", "\\\\")
-            .replace('"', '\\"')
-            .replace("\n", "\\n")
-            .replace("\t", "\\t")
-        )
-        + '"'
-    )
-
-
-def unescape_quote(string: str) -> str:
-    string = string[1:-1]
-
-    REPLACEMENTS = {
-        "\n": "\n",
-        "\\": "\\",
-        "n": "\n",
-        "t": "\t",
-        '"': '"',
-        "'": "'",
-    }
-
-    result = ""
-    i = 0
-    while i < len(string):
-        c = string[i]
-        if c == "\\":
-            i += 1
-
-            if i >= len(string):
-                from .errors import CompilerBugError
-
-                raise CompilerBugError()
-
-            if r := REPLACEMENTS.get(string[i]):
-                result += r
-            else:
-                raise UnescapeError(i, i + 2)
-        else:
-            result += c
-
-        i += 1
-
-    return result

blueprintcompiler/xml_emitter.py

@@ -17,32 +17,19 @@
 #
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
-import typing as T
-from xml.sax import saxutils
 
-from blueprintcompiler.gir import GirType
+from xml.sax import saxutils
-from blueprintcompiler.language.types import ClassName
+from . import gir
 
 
 class XmlEmitter:
-    def __init__(self, indent=2, generated_notice=True):
+    def __init__(self, indent=2):
         self.indent = indent
         self.result = '<?xml version="1.0" encoding="UTF-8"?>'
-        if generated_notice:
-            self.result += (
-                "\n"
-                "<!--\n"
-                "DO NOT EDIT!\n"
-                "This file was @generated by blueprint-compiler. Instead, edit the\n"
-                "corresponding .blp file and regenerate this file with blueprint-compiler.\n"
-                "-->"
-            )
         self._tag_stack = []
         self._needs_newline = False
 
-    def start_tag(
+    def start_tag(self, tag, **attrs):
-        self, tag, **attrs: T.Union[str, GirType, ClassName, bool, None, float]
-    ):
         self._indent()
         self.result += f"<{tag}"
         for key, val in attrs.items():
@@ -68,23 +55,16 @@ class XmlEmitter:
         self.result += f"</{tag}>"
         self._needs_newline = True
 
-    def put_text(self, text: T.Union[str, int, float]):
+    def put_text(self, text):
         self.result += saxutils.escape(str(text))
         self._needs_newline = False
 
-    def put_cdata(self, text: str):
-        text = text.replace("]]>", "]]]]><![CDATA[>")
-        self.result += f"<![CDATA[{text}]]>"
-        self._needs_newline = False
-
     def _indent(self):
         if self.indent is not None:
             self.result += "\n" + " " * (self.indent * len(self._tag_stack))
 
     def _to_string(self, val):
-        if isinstance(val, GirType):
+        if isinstance(val, gir.GirType):
-            return val.glib_type_name
-        elif isinstance(val, ClassName):
             return val.glib_type_name
         else:
             return str(val)

blueprintcompiler/xml_reader.py

@@ -18,82 +18,76 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
 
-import typing as T
 from collections import defaultdict
 from functools import cached_property
+import typing as T
 from xml import sax
 
+
 # To speed up parsing, we ignore all tags except these
-PARSE_GIR = set(
+PARSE_GIR = set([
-    [
+    "repository", "namespace", "class", "interface", "property", "glib:signal",
-        "repository",
+    "include", "implements", "type", "parameter", "parameters", "enumeration",
-        "namespace",
+    "member", "bitfield",
-        "class",
+])
-        "interface",
-        "property",
-        "glib:signal",
-        "include",
-        "implements",
-        "type",
-        "parameter",
-        "parameters",
-        "enumeration",
-        "member",
-        "bitfield",
-    ]
-)
 
 
 class Element:
-    def __init__(self, tag: str, attrs: T.Dict[str, str]):
+    def __init__(self, tag, attrs: T.Dict[str, str]):
         self.tag = tag
         self.attrs = attrs
-        self.children: T.List["Element"] = []
+        self.children: T.Dict[str, T.List["Element"]] = defaultdict(list)
         self.cdata_chunks: T.List[str] = []
 
     @cached_property
     def cdata(self):
-        return "".join(self.cdata_chunks)
+        return ''.join(self.cdata_chunks)
 
-    def get_elements(self, name: str) -> T.List["Element"]:
+    def get_elements(self, name) -> T.List["Element"]:
-        return [child for child in self.children if child.tag == name]
+        return self.children.get(name, [])
 
-    def __getitem__(self, key: str):
+    def __getitem__(self, key):
         return self.attrs.get(key)
 
 
 class Handler(sax.handler.ContentHandler):
-    def __init__(self):
+    def __init__(self, parse_type):
         self.root = None
         self.stack = []
+        self.skipping = 0
+        self._interesting_elements = parse_type
 
     def startElement(self, name, attrs):
+        if self._interesting_elements is not None and name not in self._interesting_elements:
+            self.skipping += 1
+        if self.skipping > 0:
+            return
+
         element = Element(name, attrs.copy())
 
         if len(self.stack):
             last = self.stack[-1]
-            last.children.append(element)
+            last.children[name].append(element)
         else:
             self.root = element
 
         self.stack.append(element)
 
+
     def endElement(self, name):
-        self.stack.pop()
+        if self.skipping == 0:
+            self.stack.pop()
+        if self._interesting_elements is not None and name not in self._interesting_elements:
+            self.skipping -= 1
 
     def characters(self, content):
-        self.stack[-1].cdata_chunks.append(content)
+        if not self.skipping:
+            self.stack[-1].cdata_chunks.append(content)
 
 
-def parse(filename):
+def parse(filename, parse_type=None):
     parser = sax.make_parser()
-    handler = Handler()
+    handler = Handler(parse_type)
     parser.setContentHandler(handler)
     parser.parse(filename)
     return handler.root
-
-
-def parse_string(xml):
-    handler = Handler()
-    parser = sax.parseString(xml, handler)
-    return handler.root

build-aux/Dockerfile

@@ -1,13 +1,9 @@
 FROM fedora:latest
 
-RUN dnf install -y meson gcc g++ python3-pip gobject-introspection-devel \
+RUN dnf install -y meson python3-pip gtk4-devel gobject-introspection-devel libadwaita-devel python3-devel
-	python3-devel python3-gobject git diffutils xorg-x11-server-Xvfb \
+RUN pip3 install furo mypy sphinx coverage
-	appstream-devel dbus-x11 "dnf-command(builddep)" glslc
-RUN dnf build-dep -y gtk4 libadwaita
-RUN pip3 install furo mypy sphinx coverage black isort
-
-COPY install_deps.sh .
-RUN ./install_deps.sh
 
 # The version on PyPI is very old and doesn't install. Use the upstream package registry instead.
 RUN pip install pythonfuzz --extra-index-url https://gitlab.com/api/v4/projects/19904939/packages/pypi/simple
+
+RUN dnf install -y git

build-aux/install_deps.sh

@@ -1,26 +0,0 @@
-#!/bin/bash
-
-set -e
-
-echo "===== Install GTK ====="
-git clone --depth=1 https://gitlab.gnome.org/GNOME/gtk.git
-cd gtk
-meson setup builddir \
-  --prefix=/usr \
-  -Ddocumentation=true \
-  -Dbuild-demos=false \
-  -Dbuild-examples=false \
-  -Dbuild-tests=false \
-  -Dbuild-testsuite=false
-ninja -C builddir install
-cd -
-rm -rf gtk
-
-echo "===== Install libadwaita ====="
-git clone --depth=1 https://gitlab.gnome.org/GNOME/libadwaita.git
-cd libadwaita
-meson builddir \
-  --prefix=/usr
-ninja -C builddir install
-cd -
-rm -rf libadwaita

docs/_static/styles.css

@@ -1,24 +0,0 @@
-.experimental-admonition {
-  display: flex;
-  align-items: center;
-}
-
-.experimental-admonition img {
-  width: 64px;
-}
-
-p.grammar-block {
-  font-family: var(--font-stack--monospace);
-  white-space: pre;
-  overflow: auto;
-  font-size: var(--code-font-size);
-  padding: .625rem .875rem;
-  line-height: 1.5;
-  background: #f8f8f8;
-  border-radius: .2rem;
-}
-
-body:not([data-theme="light"]) .grammar-block {
-  background: #202020;
-  color: #d0d0d0;
-}

docs/collect-sections.py

@@ -1,139 +0,0 @@
-#!/usr/bin/env python3
-
-import json
-import os
-import re
-import sys
-from dataclasses import dataclass
-from pathlib import Path
-
-__all__ = ["get_docs_section"]
-
-DOCS_ROOT = "https://gnome.pages.gitlab.gnome.org/blueprint-compiler"
-
-
-sections: dict[str, "Section"] = {}
-
-
-@dataclass
-class Section:
-    link: str
-    lines: str
-
-    def to_json(self):
-        return {
-            "content": rst_to_md(self.lines),
-            "link": self.link,
-        }
-
-
-def load_reference_docs():
-    for filename in Path(os.path.dirname(__file__), "reference").glob("*.rst"):
-        with open(filename) as f:
-            section_name = None
-            lines = []
-
-            def close_section():
-                if section_name:
-                    html_file = re.sub(r"\.rst$", ".html", filename.name)
-                    anchor = re.sub(r"[^a-z0-9]+", "-", section_name.lower())
-                    link = f"{DOCS_ROOT}/reference/{html_file}#{anchor}"
-                    sections[section_name] = Section(link, lines)
-
-            for line in f:
-                if m := re.match(r"\.\.\s+_(.*):", line):
-                    close_section()
-                    section_name = m.group(1)
-                    lines = []
-                else:
-                    lines.append(line)
-
-            close_section()
-
-
-# This isn't a comprehensive rST to markdown converter, it just needs to handle the
-# small subset of rST used in the reference docs.
-def rst_to_md(lines: list[str]) -> str:
-    result = ""
-
-    def rst_to_md_inline(line):
-        line = re.sub(r"``(.*?)``", r"`\1`", line)
-        line = re.sub(
-            r":ref:`(.*?)<(.*?)>`",
-            lambda m: f"[{m.group(1)}]({sections[m.group(2)].link})",
-            line,
-        )
-        line = re.sub(r"`([^`]*?) <([^`>]*?)>`_", r"[\1](\2)", line)
-        return line
-
-    i = 0
-    n = len(lines)
-    heading_levels = {}
-
-    def print_block(lang: str = "", code: bool = True, strip_links: bool = False):
-        nonlocal result, i
-        block = ""
-        while i < n:
-            line = lines[i].rstrip()
-            if line.startswith("   "):
-                line = line[3:]
-            elif line != "":
-                break
-
-            if strip_links:
-                line = re.sub(r":ref:`(.*?)<(.*?)>`", r"\1", line)
-
-            if not code:
-                line = rst_to_md_inline(line)
-
-            block += line + "\n"
-            i += 1
-
-        if code:
-            result += f"```{lang}\n{block.strip()}\n```\n\n"
-        else:
-            result += block
-
-    while i < n:
-        line = lines[i].rstrip()
-        i += 1
-        if line == ".. rst-class:: grammar-block":
-            print_block("text", strip_links=True)
-        elif line == ".. code-block:: blueprint":
-            print_block("blueprint")
-        elif line == ".. note::":
-            result += "#### Note\n"
-            print_block(code=False)
-        elif m := re.match(r"\.\. image:: (.*)", line):
-            result += f"![{m.group(1)}]({DOCS_ROOT}/_images/{m.group(1)})\n"
-        elif i < n and re.match(r"^((-+)|(~+)|(\++))$", lines[i]):
-            level_char = lines[i][0]
-            if level_char not in heading_levels:
-                heading_levels[level_char] = max(heading_levels.values(), default=1) + 1
-            result += (
-                "#" * heading_levels[level_char] + " " + rst_to_md_inline(line) + "\n"
-            )
-            i += 1
-        else:
-            result += rst_to_md_inline(line) + "\n"
-
-    return result
-
-
-if __name__ == "__main__":
-    if len(sys.argv) != 2:
-        print("Usage: collect_sections.py <output_file>")
-        sys.exit(1)
-
-    outfile = sys.argv[1]
-
-    load_reference_docs()
-
-    # print the sections to a json file
-    with open(outfile, "w") as f:
-        json.dump(
-            {name: section.to_json() for name, section in sections.items()},
-            f,
-            indent=2,
-            sort_keys=True,
-        )

docs/conf.py

@@ -17,9 +17,9 @@
 
 # -- Project information -----------------------------------------------------
 
-project = "Blueprint"
+project = 'Blueprint'
-copyright = "2021-2023, James Westman"
+copyright = '2021, James Westman'
-author = "James Westman"
+author = 'James Westman'
 
 
 # -- General configuration ---------------------------------------------------
@@ -27,15 +27,16 @@ author = "James Westman"
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-extensions = []
+extensions = [
+]
 
 # Add any paths that contain templates here, relative to this directory.
-templates_path = ["_templates"]
+templates_path = ['_templates']
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
 # This pattern also affects html_static_path and html_extra_path.
-exclude_patterns = ["_build", "Thumbs.db", ".DS_Store"]
+exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']
 
 
 # -- Options for HTML output -------------------------------------------------
@@ -43,11 +44,9 @@ exclude_patterns = ["_build", "Thumbs.db", ".DS_Store"]
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 #
-html_theme = "furo"
+html_theme = 'furo'
 
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = ["_static"]
+html_static_path = ['_static']
-
-html_css_files = ["styles.css"]

docs/examples.rst

@@ -0,0 +1,420 @@
+========
+Examples
+========
+
+
+Namespaces and libraries
+------------------------
+
+GTK declaration
+~~~~~~~~~~~~~~~
+
+.. code-block::
+
+   // Required in every blueprint file. Defines the major version
+   // of GTK the file is designed for.
+   using Gtk 4.0;
+
+Importing libraries
+~~~~~~~~~~~~~~~~~~~
+
+.. code-block::
+
+   // Import Adwaita 1. The name given here is the GIR namespace name, which
+   // might not match the library name or C prefix.
+   using Adw 1;
+
+
+Objects
+-------
+
+Defining objects with properties
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. code-block::
+
+   Gtk.Box {
+     orientation: vertical;
+
+     Gtk.Label {
+       label: "Hello, world!";
+     }
+   }
+
+Referencing an object in code
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. code-block::
+
+   // Your code can reference the object by `my_window`
+   Gtk.Window my_window {
+     title: "My window";
+   }
+
+Using classes defined by your app
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Use a leading ``.`` to tell the compiler that the class is defined in your
+app, not in the GIR, so it should skip validation.
+
+.. code-block::
+
+   .MyAppCustomWidget my_widget {
+     my-custom-property: 3.14;
+   }
+
+
+Templates
+---------
+
+Defining a template
+~~~~~~~~~~~~~~~~~~~
+
+Many language bindings have a way to create subclasses that are defined both
+in code and in the blueprint file. Check your language's documentation on
+how to use this feature.
+
+In this example, we create a class called ``MyAppWindow`` that inherits from
+``Gtk.ApplicationWindow``.
+
+.. code-block::
+
+   template MyAppWindow : Gtk.ApplicationWindow {
+     my-custom-property: 3.14;
+   }
+
+Referencing a template object
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+If you want to use a template object elsewhere in your blueprint, you can use
+the template class name as the object ID:
+
+.. code-block::
+
+   template MyAppWindow : ApplicationWindow { }
+
+   Gtk.Label {
+     visible: bind MyAppWindow.visible;
+   }
+
+
+Properties
+----------
+
+Translations
+~~~~~~~~~~~~
+
+Use ``_("...")`` to mark strings as translatable. You can put a comment for
+translators on the line above if needed.
+
+.. code-block::
+
+   Gtk.Label label {
+     /* Translators: This is the main text of the welcome screen */
+     label: _("Hello, world!");
+   }
+
+Use ``C_("context", "...")`` to add a *message context* to a string to
+disambiguate it, in case the same string appears in different places. Remember,
+two strings might be the same in one language but different in another depending
+on context.
+
+.. code-block::
+
+   Gtk.Label label {
+     /* Translators: This is a section in the preferences window */
+     label: C_("preferences window", "Hello, world!");
+   }
+
+Referencing objects by ID
+~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. code-block::
+
+   Gtk.Range range1 {
+     adjustment: my_adjustment;
+   }
+   Gtk.Range range2 {
+     adjustment: my_adjustment;
+   }
+
+   Gtk.Adjustment my_adjustment {
+   }
+
+Defining object properties inline
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. code-block::
+
+   Gtk.Range  {
+     adjustment: Gtk.Adjustment my_adjustment {
+       value: 10;
+     };
+   }
+
+   Gtk.Range range1 {
+     // You can even still reference the object by ID
+     adjustment: my_adjustment;
+   }
+
+.. note::
+   Note the semicolon after the closing brace of the ``Gtk.Adjustment``. It is
+   required.
+
+Bindings
+~~~~~~~~
+
+Use the ``bind`` keyword to bind a property to another object's property in
+the same file.
+
+.. code-block::
+
+   Gtk.ProgressBar bar1 {
+   }
+
+   Gtk.ProgressBar bar2 {
+     value: bind bar1.value;
+   }
+
+Binding Flags
+~~~~~~~~~~~~~
+
+Use the ``no-sync-create`` keyword to only update the target value when the
+source value changes, not when the binding is first created.
+
+.. code-block::
+
+   Gtk.ProgressBar bar1 {
+     value: 10;
+   }
+
+   Gtk.ProgressBar bar2 {
+     value: bind bar1.value no-sync-create;
+   }
+
+Use the ``bidirectional`` keyword to bind properties in both directions.
+
+.. code-block::
+
+   // Text of entry1 is bound to text
+   // of entry2 and vice versa
+
+   Gtk.Entry entry1 {
+     text: bind entry2.text bidirectional;
+   }
+
+   Gtk.Entry entry2 {
+
+   }
+
+Use the ``inverted`` keyword to invert to bind a boolean property
+to inverted value of another one.
+
+.. code-block::
+
+   // When switch1 is on, switch2 will be off
+   Gtk.Switch switch1 {
+     active: bind switch2.active inverted bidirectional;
+   }
+
+   // When switch2 is on, switch1 will be off
+   Gtk.Switch switch2 {
+
+   }
+
+
+Signals
+-------
+
+Basic Usage
+~~~~~~~~~~~
+
+.. code-block::
+
+   Gtk.Button {
+     // on_button_clicked is defined in your application
+     clicked => on_button_clicked();
+   }
+
+Flags
+~~~~~
+
+.. code-block::
+
+   Gtk.Button {
+     clicked => on_button_clicked() swapped;
+   }
+
+Object
+~~~~~~
+
+By default the widget is passed to callback as first argument. However,
+you can specify another object to use as first argument of callback.
+
+.. code-block::
+
+   Gtk.Entry {
+     activate => grab_focus(another_entry);
+   }
+
+   Gtk.Entry another_entry {
+
+   }
+
+
+CSS Styles
+----------
+
+Basic Usage
+~~~~~~~~~~~
+
+.. code-block::
+
+   Gtk.Label {
+     styles ["dim-label", "title"]
+   }
+
+
+Menus
+-----
+
+Basic Usage
+~~~~~~~~~~~
+
+.. code-block::
+
+   menu my_menu {
+     section {
+       label: _("File");
+       item {
+         label: _("Open");
+         action: "win.open";
+       }
+       item {
+         label: _("Save");
+         action: "win.save";
+       }
+       submenu {
+         label: _("Save As");
+         item {
+           label: _("PDF");
+           action: "win.save_as_pdf";
+         }
+       }
+     }
+   }
+
+Item Shorthand
+~~~~~~~~~~~~~~
+
+For menu items with only a label, action, and/or icon, you can define all three
+on one line. The action and icon are optional.
+
+.. code-block::
+
+   menu {
+     item (_("Copy"), "app.copy", "copy-symbolic")
+   }
+
+
+Layout Properties
+-----------------
+
+Basic Usage
+~~~~~~~~~~~
+
+.. code-block::
+
+   Gtk.Grid {
+     Gtk.Label {
+       layout {
+         row: 0;
+         column: 1;
+       }
+     }
+   }
+
+
+Accessibility Properties
+------------------------
+
+Basic Usage
+~~~~~~~~~~~
+
+.. code-block::
+
+   Gtk.Widget {
+     accessibility {
+       orientation: vertical;
+       labelled-by: my_label;
+       checked: true;
+     }
+   }
+
+   Gtk.Label my_label {}
+
+
+Widget-Specific Items
+---------------------
+
+Gtk.ComboBoxText
+~~~~~~~~~~~~~~~~
+
+.. code-block::
+
+   Gtk.ComboBoxText {
+     items [
+       item1: "Item 1",
+       item2: _("Items can be translated"),
+       "The item ID is not required",
+     ]
+   }
+
+Gtk.FileFilter
+~~~~~~~~~~~~~~
+
+.. code-block::
+
+   Gtk.FileFilter {
+     mime-types ["image/jpeg", "video/webm"]
+     patterns ["*.txt"]
+     suffixes ["png"]
+   }
+
+Gtk.SizeGroup
+~~~~~~~~~~~~~
+
+.. code-block::
+
+   Gtk.SizeGroup {
+     mode: both;
+     widgets [label1, label2]
+   }
+
+   Gtk.Label label1 {}
+   Gtk.Label label2 {}
+
+Gtk.StringList
+~~~~~~~~~~~~~~
+
+.. code-block::
+
+   Gtk.StringList {
+     strings ["Hello, world!", _("Translated string")]
+   }
+
+Gtk.Dialog and Gtk.InfoBar
+~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. code-block::
+
+   Gtk.Dialog {
+     [action response=ok]
+     Gtk.Button ok_response {}
+
+     [action response=cancel]
+     Gtk.Button cancel_response {}
+
+     [action response=9]
+     Gtk.Button app_defined_response {}
+   }

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docs/flatpak.rst

@@ -12,12 +12,11 @@ a module in your flatpak manifest:
    {
      "name": "blueprint-compiler",
      "buildsystem": "meson",
-     "cleanup": ["*"],
      "sources": [
        {
          "type": "git",
-         "url": "https://gitlab.gnome.org/GNOME/blueprint-compiler",
+         "url": "https://gitlab.gnome.org/jwestman/blueprint-compiler",
-         "tag": "v0.16.0"
+         "branch": "main"
        }
      ]
    }

docs/index.rst

@@ -1,14 +1,6 @@
 Overview
 ========
 
-.. warning::
-  .. container:: experimental-admonition
-
-     .. image:: experimental.svg
-
-     **Blueprint is still experimental.** Future versions may have breaking changes, and most GTK tutorials use XML syntax.
-
-
 Blueprint is a markup language and compiler for GTK 4 user interfaces.
 
 .. toctree::
@@ -18,15 +10,14 @@ Blueprint is a markup language and compiler for GTK 4 user interfaces.
    setup
    translations
    flatpak
-   reference/index
+   examples
-   packaging
 
 
-.. code-block:: blueprint
+.. code-block::
 
    using Gtk 4.0;
 
-   template $MyAppWindow: ApplicationWindow {
+   template MyAppWindow : ApplicationWindow {
      default-width: 600;
      default-height: 300;
      title: _("Hello, Blueprint!");
@@ -35,7 +26,7 @@ Blueprint is a markup language and compiler for GTK 4 user interfaces.
      HeaderBar {}
 
      Label {
-       label: bind template.main_text;
+       label: bind MyAppWindow.main_text;
      }
    }
 
@@ -53,96 +44,31 @@ Features
 - **Concise syntax.** No more clumsy XML! Blueprint is designed from the ground
   up to match GTK's widget model, including templates, child types, signal
   handlers, and menus.
-- **Easy to learn.** The syntax should be very familiar to most people. Take a look at the :doc:`reference <reference/index>` to get started.
+- **Easy to learn.** The syntax should be very familiar to most people. Scroll
-- **Modern tooling.** Blueprint ships a `Language Server <https://microsoft.github.io/language-server-protocol/>`_ for IDE integration.
+  through the :doc:`examples page <examples>` for a quick overview of the whole
-
+  language.
-Links
+- **Modern tooling.** IDE integration for `GNOME Builder <https://developer.gnome.org/documentation/introduction/builder.html>`_
------
+  is in progress, and a VS Code extension is also planned.
-
-- `Source code <https://gitlab.gnome.org/GNOME/blueprint-compiler>`_
-- `Workbench <https://github.com/sonnyp/Workbench>`_ lets you try, preview and export Blueprint
-- `GNOME Builder <https://developer.gnome.org/documentation/introduction/builder.html>`_ provides builtin support
-- `Vim syntax highlighting plugin by thetek42 <https://github.com/thetek42/vim-blueprint-syntax>`_
-- `Vim syntax highlighting plugin by gabmus <https://gitlab.com/gabmus/vim-blueprint>`_
-- `GNU Emacs major mode by DrBluefall <https://github.com/DrBluefall/blueprint-mode>`_
-- `Visual Studio Code plugin by bodil <https://github.com/bodil/vscode-blueprint>`_
-
-History
--------
-
-1. `Simplify our UI declarative language, a strawman proposal <https://discourse.gnome.org/t/simplify-our-ui-declarative-language-a-strawman-proposal/2913>`_
-2. `A Markup Language for GTK <https://www.jwestman.net/2021/10/22/a-markup-language-for-gtk.html>`_
-3. `Introducing Blueprint: A New Way to Craft User Interfaces <https://www.jwestman.net/2021/12/02/introducing-blueprint-a-new-way-to-craft-user-interfaces.html>`_
-4. `Next Steps for Blueprint <https://www.jwestman.net/2022/04/12/next-steps-for-blueprint.html>`_
 
 Built with Blueprint
 --------------------
 
-- `AdwSteamGtk <https://github.com/Foldex/AdwSteamGtk>`_
-- `Blurble <https://gitlab.gnome.org/World/Blurble>`_
-- `Bottles <https://github.com/bottlesdevs/Bottles>`_
-- `Cartridges <https://github.com/kra-mo/cartridges>`_
-- `Cassette <https://gitlab.gnome.org/Rirusha/Cassette>`_
-- `Cavalier <https://github.com/NickvisionApps/Cavalier>`_
-- `Chance <https://zelikos.dev/apps/rollit>`_
-- `Commit <https://github.com/sonnyp/Commit/>`_
-- `Confy <https://confy.kirgroup.net/>`_
-- `Cozy <https://github.com/geigi/cozy>`_
-- `Daikhan <https://github.com/flathub/io.gitlab.daikhan.stable>`_
-- `Damask <https://gitlab.gnome.org/subpop/damask>`_
-- `Denaro <https://github.com/NickvisionApps/Denaro>`_
-- `Design <https://github.com/dubstar-04/Design>`_
-- `Dev Toolbox <https://github.com/aleiepure/devtoolbox>`_
-- `Dialect <https://github.com/dialect-app/dialect>`_
-- `Diccionario de la Lengua <https://codeberg.org/rafaelmardojai/diccionario-lengua>`_
-- `Doggo <https://gitlab.gnome.org/sungsphinx/Doggo>`_
-- `Dosage <https://github.com/diegopvlk/Dosage>`_
-- `Dynamic Wallpaper <https://github.com/dusansimic/dynamic-wallpaper>`_
 - `Extension Manager <https://github.com/mjakeman/extension-manager>`_
-- `Eyedropper <https://github.com/FineFindus/eyedropper>`_
-- `favagtk <https://gitlab.gnome.org/johannesjh/favagtk>`_
 - `Feeds <https://gitlab.gnome.org/World/gfeeds>`_
-- `File Shredder <https://github.com/ADBeveridge/raider>`_
-- `Flare <https://gitlab.com/schmiddi-on-mobile/flare>`_
-- `Flowtime <https://github.com/Diego-Ivan/Flowtime>`_
-- `Fretboard <https://github.com/bragefuglseth/fretboard>`_
-- `Frog <https://github.com/TenderOwl/Frog>`_
 - `Geopard <https://github.com/ranfdev/Geopard>`_
 - `Giara <https://gitlab.gnome.org/World/giara>`_
-- `Girens <https://gitlab.gnome.org/tijder/girens>`_
-- `Gradience <https://github.com/GradienceTeam/Gradience>`_
-- `Graphs <https://gitlab.gnome.org/World/Graphs>`_
 - `Health <https://gitlab.gnome.org/World/Health>`_
 - `HydraPaper <https://gitlab.com/gabmus/HydraPaper>`_
 - `Identity <https://gitlab.gnome.org/YaLTeR/identity>`_
-- `Jogger <https://codeberg.org/baarkerlounger/jogger>`_
-- `Junction <https://github.com/sonnyp/Junction/>`_
-- `Komikku <https://codeberg.org/valos/Komikku>`_
-- `Letterpress <https://gitlab.gnome.org/World/Letterpress>`_
-- `Login Manager Settings <https://github.com/realmazharhussain/gdm-settings>`_
-- `Maniatic Launcher <https://github.com/santiagocezar/maniatic-launcher/>`_
-- `Master Key <https://gitlab.com/guillermop/master-key/>`_
-- `Misson Center <https://github.com/flathub/io.missioncenter.MissionCenter>`_
-- `NewCaw <https://github.com/CodedOre/NewCaw>`_
-- `Paper <https://gitlab.com/posidon_software/paper>`_
-- `Paper Plane <https://github.com/paper-plane-developers/paper-plane>`_
-- `Parabolic <https://github.com/NickvisionApps/Parabolic>`_
-- `Passes <https://github.com/pablo-s/passes>`_
-- `Pipeline <https://gitlab.com/schmiddi-on-mobile/pipeline>`_
-- `Playhouse <https://github.com/sonnyp/Playhouse>`_
 - `Plitki <https://github.com/YaLTeR/plitki>`_
-- `Raider <https://github.com/ADBeveridge/raider>`_
-- `Retro <https://github.com/sonnyp/Retro>`_
 - `Solanum <https://gitlab.gnome.org/World/Solanum>`_
-- `Sudoku Solver <https://gitlab.com/cyberphantom52/sudoku-solver>`_
-- `Swatch <https://gitlab.gnome.org/GabMus/swatch>`_
-- `Switcheroo <https://gitlab.com/adhami3310/Switcheroo>`_
-- `Tagger <https://github.com/NickvisionApps/Tagger>`_
-- `Tangram <https://github.com/sonnyp/Tangram/>`_
 - `Text Pieces <https://github.com/liferooter/textpieces>`_
-- `Upscaler <https://gitlab.gnome.org/World/Upscaler>`_
 - `Video Trimmer <https://gitlab.gnome.org/YaLTeR/video-trimmer>`_
-- `Webfont Kit Generator <https://github.com/rafaelmardojai/webfont-kit-generator>`_
 - `WhatIP <https://gitlab.gnome.org/GabMus/whatip>`_
-- `Who Wants To Be a Millionaire <https://github.com/martinszeltins/who-wants-to-be-a-millionaire/>`_
 - `Workbench <https://github.com/sonnyp/Workbench>`_
+
+Links
+-----
+
+- `Source code <https://gitlab.gnome.org/jwestman/blueprint-compiler>`_
+- `Vim syntax highlighting plugin <https://github.com/thetek42/vim-blueprint-syntax>`_

docs/meson.build

@@ -3,17 +3,9 @@ if get_option('docs')
 sphinx = find_program(['sphinx-build-3', 'sphinx-build'], required: true)
 
 custom_target('docs',
-  command: [sphinx, '-b', 'html', '-c', meson.current_source_dir(), meson.current_source_dir(), '@OUTPUT@'],
+           command: [sphinx, '-b', 'html', '-c', meson.current_source_dir(), meson.current_source_dir(), '@OUTPUT@'],
-  output: 'en',
+            output: 'en',
-  build_always_stale: true,
+  build_by_default: true
 )
 
 endif
-
-custom_target('reference_docs.json',
-  output: 'reference_docs.json',
-  command: [meson.current_source_dir() / 'collect-sections.py', '@OUTPUT@'],
-  build_always_stale: true,
-  install: true,
-  install_dir: py.get_install_dir() / 'blueprintcompiler',
-)

docs/packaging.rst

@@ -1,36 +0,0 @@
-====================
-For Distro Packagers
-====================
-
-blueprint-compiler is a build tool that converts UI definitions written in
-Blueprint into XML files that are installed with the app and that GTK can read.
-So for most applications that use blueprint-compiler, it is a build dependency.
-It is a Python program, but like most GNOME-related projects, it uses
-`Meson <https://mesonbuild.com>`_ as its build system.
-
-GObject Introspection
-~~~~~~~~~~~~~~~~~~~~~
-
-Blueprint files can import GObject Introspection namespaces like this:
-
-.. code-block:: blueprint
-
-   using Gtk 4.0;
-   using Adw 1;
-
-To compile a blueprint file, ``.typelib`` files for all of the imported
-namespaces must be installed. All blueprint files must import Gtk 4.0, so
-``Gtk-4.0.typelib`` is effectively a runtime dependency of blueprint-compiler.
-blueprint-compiler also depends on pygobject, because it uses GIRepository
-to determine the search path for typelib files.
-
-So, if a package uses blueprint-compiler, its build dependencies should include
-the typelib files for any namespaces imported in its blueprint files. (Note
-that many apps also have the same typelib files as runtime dependencies,
-separately from blueprint).
-
-In addition, the blueprint language server uses ``.gir`` files to provide
-documentation on hover. Some distros package these files separately from the
-main package (e.g. in a ``-devel`` package). The language server will not crash
-if these files are not present, but for a good user experience you should make
-sure they are installed.

docs/reference/diagnostics.rst

@@ -1,188 +0,0 @@
-===========
-Diagnostics
-===========
-
-
-.. _Diagnostic abstract_class:
-
-abstract_class
---------------
-Objects can't be created from abstract classes. Abstract classes are used as base classes for other classes, but they don't have functionality on their own. You may want to use a non-abstract subclass instead.
-
-
-.. _Diagnostic bad_syntax:
-
-bad_syntax
-----------
-The tokenizer encountered an unexpected sequence of characters that aren't part of any known blueprint syntax.
-
-
-.. _Diagnostic child_not_accepted:
-
-child_not_accepted
-------------------
-The parent class does not have child objects (it does not implement `Gtk.Buildable <https://docs.gtk.org/gtk4/iface.Buildable.html>`_ and is not a subclass of `Gio.ListStore <https://docs.gtk.org/gio/class.ListStore.html>`_). Some classes use properties instead of children to add widgets. Check the parent class's documentation.
-
-
-.. _Diagnostic conversion_error:
-
-conversion_error
-----------------
-The value's type cannot be converted to the target type.
-
-Subclasses may be converted to their superclasses, but not vice versa. A type that implements an interface can be converted to that interface's type. Many boxed types can be parsed from strings in a type-specific way.
-
-
-.. _Diagnostic expected_bool:
-
-expected_bool
--------------
-A boolean value was expected, but the value is not ``true`` or ``false``.
-
-
-.. _Diagnostic extension_not_repeatable:
-
-extension_not_repeatable
-------------------------
-This extension can't be used more than once in an object.
-
-
-.. _Diagnostic extension_wrong_parent_type:
-
-extension_wrong_parent_type
----------------------------
-No extension with the given name exists for this object's class (or, for a :ref:`child extension<Syntax ChildExtension>`, the parent class).
-
-
-.. _Diagnostic invalid_number_literal:
-
-invalid_number_literal
-----------------------
-The tokenizer encountered what it thought was a number, but it couldn't parse it as a number.
-
-
-.. _Diagnostic member_dne:
-
-member_dne
-----------
-The value is being interpreted as a member of an enum or flag type, but that type doesn't have a member with the given name.
-
-
-.. _Diagnostic missing_gtk_declaration:
-
-missing_gtk_declaration
------------------------
-All blueprint files must start with a GTK declaration, e.g. ``using Gtk 4.0;``.
-
-
-.. _Diagnostic multiple_templates:
-
-multiple_templates
-------------------
-Only one :ref:`template<Syntax Template>` is allowed per blueprint file, but there are multiple. The template keyword indicates which object is the one being instantiated.
-
-
-.. _Diagnostic namespace_not_found:
-
-namespace_not_found
---------------------
-The ``.typelib`` files for the given namespace could not be found. There are several possibilities:
-
-* There is a typo in the namespace name, e.g. ``Adwaita`` instead of ``Adw``
-
-* The version number is incorrect, e.g. ``Adw 1.0`` instead of ``Adw 1``. The library's documentation will tell you the correct version number to use.
-
-* The packages for the library are not installed. On some distributions, the ``.typelib`` file is in a separate package from the main library, such as a ``-devel`` package.
-
-* There is an issue with the path to the typelib file. The ``GI_TYPELIB_PATH`` environment variable can be used to add additional paths to search.
-
-
-.. _Diagnostic namespace_not_imported:
-
-namespace_not_imported
-----------------------
-The given namespace was not imported at the top of the file. Importing the namespace is necessary because it tells blueprint-compiler which version of the library to use.
-
-
-.. _Diagnostic object_dne:
-
-object_dne
-----------
-No object with the given ID exists in the current scope.
-
-
-.. _Diagnostic property_dne:
-
-property_dne
-------------
-The class or interface doesn't have a property with the given name.
-
-
-.. _Diagnostic property_convert_error:
-
-property_convert_error
-----------------------
-The value given for the property can't be converted to the property's type.
-
-
-.. _Diagnostic property_construct_only:
-
-property_construct_only
------------------------
-The property can't be bound because it is a construct-only property, meaning it can only be set once when the object is first constructed. Binding it to an expression could cause its value to change later.
-
-
-.. _Diagnostic property_read_only:
-
-property_read_only
-------------------
-This property can't be set because it is marked as read-only.
-
-
-.. _Diagnostic signal_dne:
-
-signal_dne
-----------
-The class or interface doesn't have a signal with the given name.
-
-
-.. _Diagnostic type_dne:
-
-type_dne
---------
-The given type doesn't exist in the namespace.
-
-
-.. _Diagnostic type_not_a_class:
-
-type_not_a_class
-----------------
-The given type exists in the namespace, but it isn't a class. An object's type must be a concrete (not abstract) class, not an interface or boxed type.
-
-
-.. _Diagnostic version_conflict:
-
-version_conflict
-----------------
-This error occurs when two versions of a namespace are imported (possibly transitively) in the same file. For example, this will cause a version conflict:
-
-.. code-block:: blueprint
-
-   using Gtk 4.0;
-   using Gtk 3.0;
-
-But so will this:
-
-.. code-block:: blueprint
-
-   using Gtk 4.0;
-   using Handy 1;
-
-because libhandy imports ``Gtk 3.0``.
-
-
-.. _Diagnostic wrong_compiler_version:
-
-wrong_compiler_version
-----------------------
-This version of blueprint-compiler is for GTK 4 blueprints only. Future GTK versions will use different versions of blueprint-compiler.

docs/reference/document_root.rst

@@ -1,88 +0,0 @@
-=======================
-Document Root & Imports
-=======================
-
-
-.. _Syntax Root:
-
-Document Root
--------------
-
-.. rst-class:: grammar-block
-
-   Root = :ref:`GtkDecl<Syntax GtkDecl>` (:ref:`Using<Syntax Using>`)* (:ref:`TranslationDomain<Syntax TranslationDomain>`)? ( :ref:`Template<Syntax Template>` | :ref:`Menu<Syntax Menu>` | :ref:`Object<Syntax Object>` )* EOF
-
-A blueprint document consists of a :ref:`GTK declaration<Syntax GtkDecl>`, one or more :ref:`imports<Syntax Using>`, and a list of :ref:`objects<Syntax Object>` and/or a :ref:`template<Syntax Template>`.
-
-Example
-~~~~~~~
-
-.. code-block:: blueprint
-
-   // Gtk Declaration
-   using Gtk 4.0;
-
-   // Import Statement
-   using Adw 1;
-
-   // Object
-   Window my_window {}
-
-
-.. _Syntax GtkDecl:
-
-GTK Declaration
----------------
-
-.. rst-class:: grammar-block
-
-   GtkDecl = 'using' 'Gtk' '4.0' ';'
-
-Every blueprint file begins with the line ``using Gtk 4.0;``, which declares the target GTK version for the file. Tools that read blueprint files should verify that they support the declared version.
-
-Example
-~~~~~~~
-
-.. code-block:: blueprint
-
-   using Gtk 4.0;
-
-
-.. _Syntax Using:
-
-GObject Introspection Imports
------------------------------
-
-.. rst-class:: grammar-block
-
-   Using = 'using' <namespace::ref:`IDENT<Syntax IDENT>`> <version::ref:`NUMBER<Syntax NUMBER>`> ';'
-
-To use classes and types from namespaces other than GTK itself, those namespaces must be imported at the top of the file. This tells the compiler what version of the namespace to import.
-
-You'll need the GIR name and version, not the package name and not the exact version number. These are listed at the top of each library's documentation homepage:
-
-.. image:: gir-namespace.png
-
-The compiler requires typelib files for these libraries to be installed. They are usually installed with the library, but on some distros, you may need to install the package that provides ``{namespace}-{version}.typelib`` (e.g. ``Adw-1.typelib``).
-
-Example
-~~~~~~~
-
-.. code-block:: blueprint
-
-   // Import libadwaita
-   using Adw 1;
-
-
-.. _Syntax TranslationDomain:
-
-Translation Domain
-------------------
-
-.. rst-class:: grammar-block
-
-   TranslationDomain = 'translation-domain' <domain::ref:`QUOTED<Syntax QUOTED>`> ';'
-
-The translation domain is used to look up translations for translatable strings in the blueprint file. If no translation domain is specified, strings will be looked up in the program's global domain.
-
-See `Gtk.Builder:translation-domain <https://docs.gtk.org/gtk4/property.Builder.translation-domain.html>`_ for more information.

docs/reference/expressions.rst

@@ -1,112 +0,0 @@
-===========
-Expressions
-===========
-
-Expressions make your user interface code *reactive*. This means when your
-application's data changes, the user interface reacts to the change
-automatically.
-
-.. code-block:: blueprint
-
-   label: bind template.account.username;
-   /*     ^             ^       ^
-          |             creates lookup expressions that are re-evaluated when
-          |             the account's username *or* the account itself changes
-          |
-          binds the `label` property to the expression's output
-    */
-
-When a value is bound to an expression using the ``bind`` keyword, the binding
-monitors all the object properties that are inputs to the expression, and
-reevaluates it if any of them change.
-
-This is a powerful tool for ensuring consistency and simplifying your code.
-Rather than pushing changes to the user interface wherever they may occur,
-you can define your data model with GObject and let GTK take care of the rest.
-
-.. _Syntax Expression:
-
-Expressions
------------
-
-.. rst-class:: grammar-block
-
-   Expression = ( :ref:`ClosureExpression<Syntax ClosureExpression>` | :ref:`Literal<Syntax Literal>` | ( '(' Expression ')' ) ) ( :ref:`LookupExpression<Syntax LookupExpression>` | :ref:`CastExpression<Syntax CastExpression>` )*
-
-.. note::
-
-   The grammar above is designed to eliminate `left recursion <https://en.wikipedia.org/wiki/Left_recursion>`_, which can make parsing more complex. In this format, an expression consists of a prefix (such as a literal value or closure invocation) followed by zero or more infix or suffix operators.
-
-Expressions are composed of property lookups and/or closures. Property lookups are the inputs to the expression, and closures provided in application code can perform additional calculations on those inputs.
-
-
-.. _Syntax LookupExpression:
-
-Lookups
--------
-
-.. rst-class:: grammar-block
-
-   LookupExpression = '.' <property::ref:`IDENT<Syntax IDENT>`>
-
-Lookup expressions perform a GObject property lookup on the preceding expression. They are recalculated whenever the property changes, using the `notify signal <https://docs.gtk.org/gobject/signal.Object.notify.html>`_.
-
-The type of a property expression is the type of the property it refers to.
-
-
-.. _Syntax ClosureExpression:
-
-Closures
---------
-
-.. rst-class:: grammar-block
-
-   ClosureExpression = '$' <name::ref:`IDENT<Syntax IDENT>`> '(' ( :ref:`Expression<Syntax Expression>` ),* ')'
-
-Closure expressions allow you to perform additional calculations that aren't supported in blueprint by writing those calculations as application code. These application-defined functions are created in the same way as :ref:`signal handlers<Syntax Signal>`.
-
-Expressions are only reevaluated when their inputs change. Because blueprint doesn't manage a closure's application code, it can't tell what changes might affect the result. Therefore, closures must be *pure*, or deterministic. They may only calculate the result based on their immediate inputs, not properties of their inputs or outside variables.
-
-Blueprint doesn't know the closure's return type, so closure expressions must be cast to the correct return type using a :ref:`cast expression<Syntax CastExpression>`.
-
-
-.. _Syntax CastExpression:
-
-Casts
------
-
-.. rst-class:: grammar-block
-
-   CastExpression = 'as' '<' :ref:`TypeName<Syntax TypeName>` '>'
-
-Cast expressions allow Blueprint to know the type of an expression when it can't otherwise determine it. This is necessary for closures and for properties of application-defined types.
-
-Example
-~~~~~~~
-
-.. code-block:: blueprint
-
-   // Cast the result of the closure so blueprint knows it's a string
-   label: bind $format_bytes(template.file-size) as <string>
-
-.. _Syntax ExprValue:
-
-Expression Values
------------------
-
-.. rst-class:: grammar-block
-
-   ExprValue = 'expr' :ref:`Expression<Syntax Expression>`
-
-Some APIs take *an expression itself*--not its result--as a property value. For example, `Gtk.BoolFilter <https://docs.gtk.org/gtk4/class.BoolFilter.html>`_ has an ``expression`` property of type `Gtk.Expression <https://docs.gtk.org/gtk4/class.Expression.html>`_. This expression is evaluated for every item in a list model to determine whether the item should be filtered.
-
-To define an expression for such a property, use ``expr`` instead of ``bind``. Inside the expression, you can use the ``item`` keyword to refer to the item being evaluated. You must cast the item to the correct type using the ``as`` keyword, and you can only use ``item`` in a property lookup--you may not pass it to a closure.
-
-Example
-~~~~~~~
-
-.. code-block:: blueprint
-
-   BoolFilter {
-     expression: expr item as <$UserAccount>.active;
-   }

docs/reference/extensions.rst

@@ -1,374 +0,0 @@
-==========
-Extensions
-==========
-
-.. _Syntax Extension:
-
-Properties are the main way to set values on objects, but they are limited by the GObject type system in what values they can accept. Some classes, therefore, have specialized syntax for certain features.
-
-.. note::
-
-   Extensions are a feature of ``Gtk.Buildable``--see `Gtk.Buildable.custom_tag_start() <https://docs.gtk.org/gtk4/vfunc.Buildable.custom_tag_start.html>`_ for internal details.
-
-   Because they aren't part of the type system, they aren't present in typelib files like properties and signals are. Therefore, if a library adds a new extension, syntax for it must be added to Blueprint manually. If there's a commonly used extension that isn't supported by Blueprint, please `file an issue <https://gitlab.gnome.org/GNOME/blueprint-compiler/-/issues>`_.
-
-.. rst-class:: grammar-block
-
-   Extension = :ref:`ExtAccessibility<Syntax ExtAccessibility>`
-   | :ref:`ExtAdwAlertDialog<Syntax ExtAdwAlertDialog>`
-   | :ref:`ExtAdwMessageDialog<Syntax ExtAdwMessageDialog>`
-   | :ref:`ExtAdwBreakpoint<Syntax ExtAdwBreakpoint>`
-   | :ref:`ExtComboBoxItems<Syntax ExtComboBoxItems>`
-   | :ref:`ExtFileFilterMimeTypes<Syntax ExtFileFilter>`
-   | :ref:`ExtFileFilterPatterns<Syntax ExtFileFilter>`
-   | :ref:`ExtFileFilterSuffixes<Syntax ExtFileFilter>`
-   | :ref:`ExtLayout<Syntax ExtLayout>`
-   | :ref:`ExtListItemFactory<Syntax ExtListItemFactory>`
-   | :ref:`ExtSizeGroupWidgets<Syntax ExtSizeGroupWidgets>`
-   | :ref:`ExtStringListStrings<Syntax ExtStringListStrings>`
-   | :ref:`ExtStyles<Syntax ExtStyles>`
-
-
-.. _Syntax ExtAccessibility:
-
-Accessibility Properties
-------------------------
-
-.. rst-class:: grammar-block
-
-   ExtAccessibility = 'accessibility' '{' ExtAccessibilityProp* '}'
-   ExtAccessibilityProp = <name::ref:`IDENT<Syntax IDENT>`> ':' (:ref:`Value <Syntax Value>` | ('[' (:ref: Value <Syntax Value>),* ']') ) ';'
-
-Valid in any `Gtk.Widget <https://docs.gtk.org/gtk4/class.Widget.html>`_.
-
-The ``accessibility`` block defines values relevant to accessibility software. The property names and acceptable values are described in the `Gtk.AccessibleRelation <https://docs.gtk.org/gtk4/enum.AccessibleRelation.html>`_, `Gtk.AccessibleState <https://docs.gtk.org/gtk4/enum.AccessibleState.html>`_, and `Gtk.AccessibleProperty <https://docs.gtk.org/gtk4/enum.AccessibleProperty.html>`_ enums.
-
-.. note::
-
-   Relations which allow for a list of values, for example `labelled-by`, must be given as a single relation with a list of values instead of duplicating the relation like done in Gtk.Builder.
-
-.. _Syntax ExtAdwBreakpoint:
-
-Adw.Breakpoint
---------------
-
-.. rst-class:: grammar-block
-
-   ExtAdwBreakpointCondition = 'condition' '(' <condition::ref:`QUOTED<Syntax QUOTED>`> ')'
-   ExtAdwBreakpoint = 'setters' '{' ExtAdwBreakpointSetter* '}'
-   ExtAdwBreakpointSetter = <object::ref:`IDENT<Syntax IDENT>`> '.' <property::ref:`IDENT<Syntax IDENT>`> ':' :ref:`Value <Syntax Value>` ';'
-
-Valid in `Adw.Breakpoint <https://gnome.pages.gitlab.gnome.org/libadwaita/doc/main/class.Breakpoint.html>`_.
-
-Defines the condition for a breakpoint and the properties that will be set at that breakpoint. See the documentation for `Adw.Breakpoint <https://gnome.pages.gitlab.gnome.org/libadwaita/doc/main/class.Breakpoint.html>`_.
-
-.. note::
-
-   The `Adw.Breakpoint:condition <https://gnome.pages.gitlab.gnome.org/libadwaita/doc/main/property.Breakpoint.condition.html>`_ property has type `Adw.BreakpointCondition <https://gnome.pages.gitlab.gnome.org/libadwaita/doc/main/struct.BreakpointCondition.html>`_, which GtkBuilder doesn't know how to parse from a string. Therefore, the ``condition`` syntax is used instead.
-
-
-.. _Syntax ExtAdwAlertDialog:
-
-Adw.AlertDialog Responses
-----------------------------
-
-.. rst-class:: grammar-block
-
-   ExtAdwAlertDialog = 'responses' '[' (ExtAdwAlertDialogResponse),* ']'
-   ExtAdwAlertDialogResponse = <id::ref:`IDENT<Syntax IDENT>`> ':' :ref:`StringValue<Syntax StringValue>` ExtAdwAlertDialogFlag*
-   ExtAdwAlertDialogFlag = 'destructive' | 'suggested' | 'disabled'
-
-Valid in `Adw.AlertDialog <https://gnome.pages.gitlab.gnome.org/libadwaita/doc/1-latest/class.AlertDialog.html>`_.
-
-The ``responses`` block defines the buttons that will be added to the dialog. The ``destructive`` or ``suggested`` flag sets the appearance of the button, and the ``disabled`` flag can be used to disable the button.
-
-.. code-block:: blueprint
-
-   using Adw 1;
-
-   Adw.AlertDialog {
-     responses [
-       cancel: _("Cancel"),
-       delete: _("Delete") destructive,
-       save: "Save" suggested,
-       wipeHardDrive: "Wipe Hard Drive" destructive disabled,
-     ]
-   }
-
-
-.. _Syntax ExtAdwMessageDialog:
-
-Adw.MessageDialog Responses
-----------------------------
-
-.. rst-class:: grammar-block
-
-   ExtAdwMessageDialog = 'responses' '[' (ExtAdwMessageDialogResponse),* ']'
-   ExtAdwMessageDialogResponse = <id::ref:`IDENT<Syntax IDENT>`> ':' :ref:`StringValue<Syntax StringValue>` ExtAdwMessageDialogFlag*
-   ExtAdwMessageDialogFlag = 'destructive' | 'suggested' | 'disabled'
-
-Valid in `Adw.MessageDialog <https://gnome.pages.gitlab.gnome.org/libadwaita/doc/1-latest/class.MessageDialog.html>`_.
-
-The ``responses`` block defines the buttons that will be added to the dialog. The ``destructive`` or ``suggested`` flag sets the appearance of the button, and the ``disabled`` flag can be used to disable the button.
-
-.. code-block:: blueprint
-
-   using Adw 1;
-
-   Adw.MessageDialog {
-     responses [
-       cancel: _("Cancel"),
-       delete: _("Delete") destructive,
-       save: "Save" suggested,
-       wipeHardDrive: "Wipe Hard Drive" destructive disabled,
-     ]
-   }
-
-
-.. _Syntax ExtComboBoxItems:
-
-Gtk.ComboBoxText Items
-----------------------
-
-.. rst-class:: grammar-block
-
-   ExtComboBoxItems = 'items' '[' (ExtComboBoxItem),* ']'
-   ExtComboBoxItem = ( <id::ref:`IDENT<Syntax IDENT>`> ':' )? :ref:`StringValue<Syntax StringValue>`
-
-Valid in `Gtk.ComboBoxText <https://docs.gtk.org/gtk4/class.ComboBoxText.html>`_, which is deprecated as of Gtk 4.10.
-
-The ``items`` block defines the items that will be added to the combo box. The optional ID can be used to refer to the item rather than its label.
-
-.. code-block:: blueprint
-
-   ComboBoxText {
-     items [
-       item1: "Item 1",
-       item2: "Item 2",
-       item3: "Item 3",
-     ]
-   }
-
-
-.. _Syntax ExtFileFilter:
-
-Gtk.FileFilter Filters
-----------------------
-
-.. rst-class:: grammar-block
-
-   ExtFileFilterMimeTypes = 'mime-types' '[' (ExtFileFilterItem),* ']'
-   ExtFileFilterPatterns = 'patterns' '[' (ExtFileFilterItem),* ']'
-   ExtFileFilterSuffixes = 'suffixes' '[' (ExtFileFilterItem),* ']'
-   ExtFileFilterItem = <item::ref:`QUOTED<Syntax QUOTED>`>
-
-Valid in `Gtk.FileFilter <https://docs.gtk.org/gtk4/class.FileFilter.html>`_.
-
-The ``mime-types``, ``patterns``, and ``suffixes`` blocks define the items that will be added to the file filter. The ``mime-types`` block accepts mime types (including wildcards for subtypes, such as ``image/*``). The ``patterns`` block accepts glob patterns, and the ``suffixes`` block accepts file extensions.
-
-.. code-block:: blueprint
-
-   FileFilter {
-     mime-types [ "text/plain", "image/*" ]
-     patterns [ "*.txt" ]
-     suffixes [ "png", "jpg" ]
-   }
-
-
-.. _Syntax ExtLayout:
-
-Widget Layouts
---------------
-
-.. rst-class:: grammar-block
-
-   ExtLayout = 'layout' '{' ExtLayoutProp* '}'
-   ExtLayoutProp = <name::ref:`IDENT<Syntax IDENT>`> ':' :ref:`Value<Syntax Value>` ';'
-
-Valid in `Gtk.Widget <https://docs.gtk.org/gtk4/class.Widget.html>`_.
-
-The ``layout`` block describes how the widget should be positioned within its parent. The available properties depend on the parent widget's layout manager.
-
-.. code-block:: blueprint
-
-   Grid {
-     Button {
-       layout {
-         column: 0;
-         row: 0;
-       }
-     }
-     Button {
-       layout {
-         column: 1;
-         row: 0;
-       }
-     }
-     Button {
-       layout {
-         column: 0;
-         row: 1;
-         row-span: 2;
-       }
-     }
-   }
-
-
-.. _Syntax ExtListItemFactory:
-
-Gtk.BuilderListItemFactory Templates
-------------------------------------
-
-.. rst-class:: grammar-block
-
-   ExtListItemFactory = 'template' :ref:`TypeName<Syntax TypeName>` :ref:`ObjectContent<Syntax Object>`
-
-Valid in `Gtk.BuilderListItemFactory <https://docs.gtk.org/gtk4/class.BuilderListItemFactory.html>`_.
-
-The ``template`` block defines the template that will be used to create list items. This block is unique within Blueprint because it defines a completely separate sub-blueprint which is used to create each list item. The sub-blueprint may not reference objects in the main blueprint or vice versa.
-
-The template type must be `Gtk.ListItem <https://docs.gtk.org/gtk4/class.ListItem.html>`_, `Gtk.ColumnViewRow <https://docs.gtk.org/gtk4/class.ColumnViewRow.html>`_, or `Gtk.ColumnViewCell <https://docs.gtk.org/gtk4/class.ColumnViewCell.html>`_. The template object can be referenced with the ``template`` keyword.
-
-.. code-block:: blueprint
-
-   ListView {
-     factory: BuilderListItemFactory {
-       template ListItem {
-         child: Label {
-           label: bind template.item as <StringObject>.string;
-         };
-       }
-     };
-
-     model: NoSelection {
-       model: StringList {
-         strings [ "Item 1", "Item 2", "Item 3" ]
-       };
-     };
-   }
-
-
-.. _Syntax ExtScaleMarks:
-
-Gtk.Scale Marks
----------------
-
-.. rst-class:: grammar-block
-
-   ExtScaleMarks = 'marks' '[' (ExtScaleMark),* ']'
-   ExtScaleMark = 'mark' '(' ( '-' | '+' )? <value::ref:`NUMBER<Syntax NUMBER>`> ( ',' <position::ref:`IDENT<Syntax IDENT>`> ( ',' :ref:`StringValue<Syntax StringValue>` )? )? ')'
-
-Valid in `Gtk.Scale <https://docs.gtk.org/gtk4/class.Scale.html>`_.
-
-The ``marks`` block defines the marks on a scale. A single ``mark`` has up to three arguments: a value, an optional position, and an optional label. The position can be ``left``, ``right``, ``top``, or ``bottom``. The label may be translated.
-
-
-.. _Syntax ExtSizeGroupWidgets:
-
-Gtk.SizeGroup Widgets
----------------------
-
-.. rst-class:: grammar-block
-
-   ExtSizeGroupWidgets = 'widgets' '[' (ExtSizeGroupWidget),* ']'
-   ExtSizeGroupWidget = <id::ref:`IDENT<Syntax IDENT>`>
-
-Valid in `Gtk.SizeGroup <https://docs.gtk.org/gtk4/class.SizeGroup.html>`_.
-
-The ``widgets`` block defines the widgets that will be added to the size group.
-
-.. code-block:: blueprint
-
-   Box {
-     Button button1 {}
-     Button button2 {}
-   }
-
-   SizeGroup {
-     widgets [button1, button2]
-   }
-
-
-.. _Syntax ExtStringListStrings:
-
-Gtk.StringList Strings
-----------------------
-
-.. rst-class:: grammar-block
-
-   ExtStringListStrings = 'strings' '[' (ExtStringListItem),* ']'
-   ExtStringListItem = :ref:`StringValue<Syntax StringValue>`
-
-Valid in `Gtk.StringList <https://docs.gtk.org/gtk4/class.StringList.html>`_.
-
-The ``strings`` block defines the strings in the string list.
-
-.. code-block:: blueprint
-
-   StringList {
-     strings ["violin", "guitar", _("harp")]
-   }
-
-
-.. _Syntax ExtStyles:
-
-CSS Styles
-----------
-
-.. rst-class:: grammar-block
-
-   ExtStyles = 'styles' '[' ExtStylesProp* ']'
-   ExtStylesProp = <name::ref:`QUOTED<Syntax QUOTED>`>
-
-Valid in any `Gtk.Widget <https://docs.gtk.org/gtk4/class.Widget.html>`_.
-
-The ``styles`` block defines CSS classes that will be added to the widget.
-
-.. code-block:: blueprint
-
-   Button {
-     styles ["suggested-action"]
-   }
-
-
-.. _Syntax ChildExtension:
-
-Child Extensions
-----------------
-
-.. rst-class:: grammar-block
-
-   ChildExtension = :ref:`ExtResponse<Syntax ExtResponse>`
-
-Child extensions are similar to regular extensions, but they apply to a child of the object rather than the object itself. They are used to add properties to child widgets of a container, such as the buttons in a `Gtk.Dialog <https://docs.gtk.org/gtk4/class.Dialog.html>`_. The child extension takes the place of a child type inside the square brackets.
-
-Currently, the only child extension is :ref:`ExtResponse<Syntax ExtResponse>`.
-
-
-.. _Syntax ExtResponse:
-
-Dialog & InfoBar Responses
---------------------------
-
-.. rst-class:: grammar-block
-
-   ExtResponse = 'action' 'response' '=' ( <name::ref:`IDENT<Syntax IDENT>`> | <id::ref:`NUMBER<Syntax NUMBER>`> ) 'default'?
-
-Valid as a child extension for children of `Gtk.Dialog <https://docs.gtk.org/gtk4/class.Dialog.html>`_ or `Gtk.InfoBar <https://docs.gtk.org/gtk4/class.InfoBar.html>`_, which are both deprecated as of Gtk 4.10.
-
-The ``action response`` extension sets the ``action`` child type for the child and sets the child's integer response type. The response type may be either a member of the `Gtk.ResponseType <https://docs.gtk.org/gtk4/enum.ResponseType.html>`_ enum or a positive, application-defined integer.
-
-No more than one child of a dialog or infobar may have the ``default`` flag.
-
-.. code-block:: blueprint
-
-   Dialog {
-    [action response=ok default]
-    Button {}
-
-    [action response=cancel]
-    Button {}
-
-    [action response=1]
-    Button {}
-   }

docs/reference/index.rst

@@ -1,50 +0,0 @@
-================
-Syntax Reference
-================
-
-This is the official specification of the blueprint format.
-
-The grammar is expressed as a `parsing expression grammar <https://en.wikipedia.org/wiki/Parsing_expression_grammar>`_. This has two important implications: the parser will never backtrack, and alternation (e.g. a ``|`` in the specification) will always take the *first* branch that matches, even if that causes an error later. These properties make PEGs both unambiguous and simple to implement in code.
-
-Blueprint uses C-style line comments (``// comment for the rest of the line``) and block comments (``/* multiline comment... */``).
-
-Wherever commas are used as delimiters in repetition (expressed in this reference as ``( <rule> ),*``), the trailing comma is permitted and optional.
-
-.. toctree::
-   :maxdepth: 1
-
-   document_root
-   objects
-   templates
-   values
-   expressions
-   menus
-   extensions
-   diagnostics
-
-
-Tokens
-------
-
-.. _Syntax IDENT:
-
-IDENT
-~~~~~
-
-An identifier starts with an ASCII underscore ``_`` or letter ``[A-Za-z]`` and consists of ASCII underscores, letters, digits ``[0-9]``, and dashes ``-``. Dashes are included for historical reasons, since GObject properties and signals are traditionally kebab-case.
-
-.. _Syntax NUMBER:
-
-NUMBER
-~~~~~~
-
-Numbers begin with an ASCII digit and consist of ASCII digits, underscores, dots ``.``, and letters (for radix pre-/suffixes). More than one dot in a number is not allowed. Underscores are permitted for increased readability, and are ignored.
-
-Hexadecimal numbers may be specified using the ``0x`` prefix and may use uppercase or lowercase letters, or a mix. Hexadecimal values may not have a fractional part. They are generally converted to decimal in the output.
-
-.. _Syntax QUOTED:
-
-QUOTED
-~~~~~~
-
-Quotes begin with an ASCII single quote ``'`` or double quote ``"`` and end with the same character they started with. An ASCII backslash ``\`` begins an escape sequence; this allows newlines ``\n``, tabs ``\t``, and quotes ``\'``, ``\"`` to be inserted. It also allows multiline strings by escaping a newline character, which will be ignored.

docs/reference/menus.rst

@@ -1,62 +0,0 @@
-=====
-Menus
-=====
-
-.. _Syntax Menu:
-
-Menus
------
-
-.. rst-class:: grammar-block
-
-   Menu = 'menu' <id::ref:`IDENT<Syntax IDENT>`>? '{' MenuChild* '}'
-   MenuChild = ( MenuSection | MenuSubmenu | :ref:`MenuItemShorthand<Syntax MenuItemShorthand>` | MenuItem )
-   MenuSection = 'section' <id::ref:`IDENT<Syntax IDENT>`>? '{' ( MenuChild | MenuAttribute )* '}'
-   MenuSubmenu = 'submenu' <id::ref:`IDENT<Syntax IDENT>`>? '{' ( MenuChild | MenuAttribute )* '}'
-   MenuItem = 'item' '{' MenuAttribute* '}'
-   MenuAttribute = <name::ref:`IDENT<Syntax IDENT>`> ':' :ref:`StringValue<Syntax StringValue>` ';'
-
-Menus, such as the application menu, are defined using the ``menu`` keyword. Menus have the type `Gio.MenuModel <https://docs.gtk.org/gio/class.MenuModel.html>`_ and can be referenced by ID. They cannot be defined inline.
-
-Example
-~~~~~~~
-
-.. code-block:: blueprint
-
-   menu my_menu {
-     submenu {
-       label: _("File");
-       item {
-         label: _("New");
-         action: "app.new";
-         icon: "document-new-symbolic";
-       }
-     }
-   }
-
-   MenuButton {
-     menu-model: my_menu;
-   }
-
-
-.. _Syntax MenuItemShorthand:
-
-Item Shorthand
---------------
-
-.. rst-class:: grammar-block
-
-   MenuItemShorthand = 'item' '(' :ref:`StringValue<Syntax StringValue>` ( ',' ( :ref:`StringValue<Syntax StringValue>` ( ',' :ref:`StringValue<Syntax StringValue>`? )? )? )? ')'
-
-The most common menu attributes are ``label``, ``action``, and ``icon``. Because they're so common, Blueprint provides a shorter syntax for menu items with just these properties.
-
-Example
-~~~~~~~
-
-.. code-block:: blueprint
-
-   menu {
-     item ("label")
-     item ("label", "action")
-     item ("label", "action", "icon")
-   }

docs/reference/objects.rst

@@ -1,190 +0,0 @@
-=======
-Objects
-=======
-
-
-.. _Syntax Object:
-
-Objects
--------
-
-.. rst-class:: grammar-block
-
-   Object = :ref:`TypeName<Syntax TypeName>` <id::ref:`IDENT<Syntax IDENT>`>? ObjectContent
-   ObjectContent = '{' (:ref:`Signal<Syntax Signal>` | :ref:`Property<Syntax Property>` | :ref:`Extension<Syntax Extension>` | :ref:`Child<Syntax Child>`)* '}'
-
-Objects are the basic building blocks of a GTK user interface. Your widgets are all objects, as are some other features such as list models.
-
-Optionally, objects may have an ID to provide a handle for other parts of the blueprint and your code to access objects.
-
-.. note::
-
-   Object IDs must be unique within their scope. The document root is a scope, but :ref:`sub-templates<Syntax ExtListItemFactory>` have their own, isolated scope.
-
-Example
-~~~~~~~
-
-.. code-block:: blueprint
-
-   Label label1 {
-     label: "Hello, world!";
-   }
-   Label label2 {
-     label: bind-property file.name;
-   }
-
-
-.. _Syntax TypeName:
-
-Type Names
-----------
-
-.. rst-class:: grammar-block
-
-   TypeName = TypeNameFull | TypeNameExternal | TypeNameShort
-   TypeNameFull = <namespace::ref:`IDENT<Syntax IDENT>`> '.' <name::ref:`IDENT<Syntax IDENT>`>
-   TypeNameExternal = '$' <name::ref:`IDENT<Syntax IDENT>`>
-   TypeNameShort = <name::ref:`IDENT<Syntax IDENT>`>
-
-There are three forms of type names: full, short, and external. Full type names take the form ``{namespace}.{name}``, e.g. ``Gtk.ApplicationWindow`` or ``Adw.Leaflet``. Because GTK types are so common, the Gtk namespace may be omitted, shortening ``Gtk.ApplicationWindow`` to just ``ApplicationWindow``.
-
-External type names refer to types defined in your application. They are prefixed with ``$`` and do not have a dot between the namespace and class name. In fact, anywhere a ``$`` is used in a blueprint, it refers to something that must be defined in your application code.
-
-
-.. _Syntax Property:
-
-Properties
-----------
-
-.. rst-class:: grammar-block
-
-   Property = <name::ref:`IDENT<Syntax IDENT>`> ':' ( :ref:`Binding<Syntax Binding>` | :ref:`ExprValue<Syntax ExprValue>` | :ref:`ObjectValue<Syntax ObjectValue>` | :ref:`Value<Syntax Value>` ) ';'
-
-Properties specify the details of each object, like a label's text, an image's icon name, or the margins on a container.
-
-Most properties are static and directly specified in the blueprint, but properties can also be bound to a data model using the ``bind`` or ``bind-property`` keywords.
-
-A property's value can be another object, either inline or referenced by ID.
-
-Example
-~~~~~~~
-
-.. code-block:: blueprint
-
-   Label {
-     label: "text";
-   }
-
-   Button {
-     /* Inline object value. Notice the semicolon after the object. */
-     child: Image {
-       /* ... */
-     };
-   }
-
-
-.. _Syntax Signal:
-
-Signal Handlers
----------------
-
-.. rst-class:: grammar-block
-
-   Signal = <name::ref:`IDENT<Syntax IDENT>`> ('::' <detail::ref:`IDENT<Syntax IDENT>`>)? '=>' '$' <handler::ref:`IDENT<Syntax IDENT>`> '(' <object::ref:`IDENT<Syntax IDENT>`>? ')' (SignalFlag)* ';'
-   SignalFlag = 'after' | 'swapped' | 'not-swapped'
-
-Signals are one way to respond to user input (another is `actions <https://docs.gtk.org/gtk4/actions.html>`_, which use the `action-name property <https://docs.gtk.org/gtk4/property.Actionable.action-name.html>`_).
-
-Signals provide a handle for your code to listen to events in the UI. The handler name is prefixed with ``$`` to indicate that it's an external symbol which needs to be provided by your code; if it isn't, things might not work correctly, or at all.
-
-Optionally, you can provide an object ID to use when connecting the signal.
-
-The ``swapped`` flag is used to swap the order of the object and userdata arguments in C applications. If an object argument is specified, then this is the default behavior, so the ``not-swapped`` flag can be used to prevent the swap.
-
-Example
-~~~~~~~
-
-.. code-block:: blueprint
-
-   Button {
-     clicked => $on_button_clicked();
-   }
-
-.. _Syntax Child:
-
-Children
---------
-
-.. rst-class:: grammar-block
-
-   Child = ChildAnnotation? :ref:`Object<Syntax Object>`
-   ChildAnnotation = '[' ( ChildInternal | :ref:`ChildExtension<Syntax ChildExtension>` | ChildType ) ']'
-   ChildInternal = 'internal-child' <internal-child::ref:`IDENT<Syntax IDENT>`>
-   ChildType = <child_type::ref:`IDENT<Syntax IDENT>`>
-
-Some objects can have children. This defines the hierarchical structure of a user interface: containers contain widgets, which can be other containers, and so on.
-
-Child annotations are defined by the parent widget. Some widgets, such as `HeaderBar <https://docs.gtk.org/gtk4/class.HeaderBar.html>`_, have "child types" which allow different child objects to be treated in different ways. Some, such as `Dialog <https://docs.gtk.org/gtk4/class.Dialog.html>`_ and `InfoBar <https://docs.gtk.org/gtk4/class.InfoBar.html>`_, define child :ref:`extensions<Syntax ChildExtension>`, which provide more detailed information about the child.
-
-Internal children are a special case. Rather than creating a new object, children marked with ``[internal-child <name>]`` modify an existing object provided by the parent. This is used, for example, for the ``content_area`` of a `Dialog <https://docs.gtk.org/gtk4/class.Dialog.html>`_.
-
-.. note::
-
-   The objects at the root of a blueprint cannot have child annotations, since there is no root widget for them to be a child of.
-
-.. note::
-
-   Some widgets, like `Button <https://docs.gtk.org/gtk4/class.Button.html>`_, use a property to set their child instead. Widgets added in this way don't have child annotations.
-
-Examples
-~~~~~~~~
-
-Add children to a container
-+++++++++++++++++++++++++++
-
-.. code-block:: blueprint
-
-   Button {
-     Image {}
-   }
-
-Child types
-+++++++++++
-
-.. code-block:: blueprint
-
-   HeaderBar {
-     [start]
-     Label {
-     }
-
-     [end]
-     Button {
-     }
-   }
-
-Child extensions
-++++++++++++++++
-
-.. code-block:: blueprint
-
-   Dialog {
-     // Here, a child extension annotation defines the button's response.
-     [action response=cancel]
-     Button {}
-   }
-
-Internal children
-+++++++++++++++++
-
-.. code-block:: blueprint
-
-   Dialog {
-     [internal-child content_area]
-     Box {
-       // Unlike most objects in a blueprint, this internal-child widget
-       // represents the properties, signal handlers, children, and extensions
-       // of an existing Box created by the Dialog, not a new Box created by
-       // the blueprint.
-     }
-   }

docs/reference/templates.rst

@@ -1,96 +0,0 @@
-===================
-Composite Templates
-===================
-
-.. _Syntax Template:
-
-Composite Templates
--------------------
-
-.. rst-class:: grammar-block
-
-   Template = 'template' :ref:`TypeName<Syntax TypeName>` ( ':' :ref:`TypeName<Syntax TypeName>` )? :ref:`ObjectContent<Syntax Object>`
-
-Widget subclassing is one of the primary techniques for structuring an application. For example, a maps app might have a `Gtk.ApplicationWindow <https://docs.gtk.org/gtk4/class.ApplicationWindow.html>`_ subclass, ``MapsApplicationWindow``, that implements the functionality of its main window. But a maps app has a lot of functionality, so the headerbar might be split into its own `Gtk.HeaderBar <https://docs.gtk.org/gtk4/class.HeaderBar.html>`_ subclass, ``MapsHeaderBar``, for the sake of organization.
-
-You could implement this with the following blueprint:
-
-.. code-block:: blueprint
-
-   using Gtk 4.0;
-
-   $MapsApplicationWindow window {
-     $MapsHeaderBar {
-       /* probably a lot of buttons ... */
-     }
-
-     $MapsMainView {
-       /* a lot more UI definitions ... */
-     }
-   }
-
-There are two problems with this approach:
-
-1. The widget code may be organized neatly into different files, but the UI is not. This blueprint contains the entire UI definition for the app.
-
-2. Widgets aren't in control of their own contents. It shouldn't be up to the caller to construct a widget using the correct blueprint--that's an implementation detail of the widget.
-
-We can solve these problems by giving each widget its own blueprint file, which we reference in the widget's constructor. Then, whenever the widget is instantiated (by another blueprint, or by the application), it will get all the children and properties defined in its blueprint.
-
-For this to work, we need to specify in the blueprint which object is the one being instantiated. We do this with a template block:
-
-.. code-block:: blueprint
-
-   using Gtk 4.0;
-
-   template $MapsHeaderBar : Gtk.HeaderBar {
-     /* probably a lot of buttons ... */
-   }
-
-   Gio.ListStore bookmarked_places_store {
-     /* This isn't the object being instantiated, just an auxillary object. GTK knows this because it isn't the
-        one marked with 'template'. */
-   }
-
-This blueprint can only be used by the ``MapsHeaderBar`` constructor. Instantiating it with ``Gtk.Builder`` won't work since it needs an existing, under-construction ``MapsHeaderBar`` to use for the template object. The ``template`` block must be at the top level of the file (not nested within another object) and only one is allowed per file.
-
-This ``MapsHeaderBar`` class, along with its blueprint template, can then be referenced in another blueprint:
-
-.. code-block:: blueprint
-
-   using Gtk 4.0;
-
-   ApplicationWindow {
-     $MapsHeaderBar {
-       /* Nothing needed here, the widgets are in the MapsHeaderBar template. */
-     }
-   }
-
-Type & Parent Parameters
-~~~~~~~~~~~~~~~~~~~~~~~~
-
-The type name that directly follows the ``template`` keyword is the type of the template class. In most cases, this will be an extern type starting with ``$`` and matching the class name in the application code. Templates for use in a `Gtk.BuilderListItemFactory <https://docs.gtk.org/gtk4/class.BuilderListItemFactory.html>`_ use ``ListItem`` as the type name instead.
-
-The parent type is optional, and may only be present if the template type is extern. It enables limited type checking for the properties and signals of the template object.
-
-
-Referencing a Template
-----------------------
-
-To reference the template object in a binding or expression, use the ``template`` keyword:
-
-.. code-block:: blueprint
-
-   template $MyTemplate {
-     prop1: "Hello, world!";
-     prop2: bind template.prop1;
-   }
-
-
-Language Implementations
-------------------------
-
-- **C** ``gtk_widget_class_set_template ()``: https://docs.gtk.org/gtk4/class.Widget.html#building-composite-widgets-from-template-xml
-- **gtk-rs** ``#[template]``: https://gtk-rs.org/gtk4-rs/stable/latest/book/composite_templates.html
-- **GJS** ``GObject.registerClass()``: https://gjs.guide/guides/gtk/3/14-templates.html
-- **PyGObject** ``@Gtk.Template``: https://pygobject.gnome.org/guide/gtk_template.html

docs/reference/values.rst

@@ -1,181 +0,0 @@
-======
-Values
-======
-
-
-.. _Syntax Value:
-
-Values
-------
-
-.. rst-class:: grammar-block
-
-   Value = :ref:`Translated<Syntax Translated>` | :ref:`Flags<Syntax Flags>` | :ref:`Literal<Syntax Literal>`
-
-
-.. _Syntax Literal:
-
-Literals
---------
-
-.. rst-class:: grammar-block
-
-   Literal = :ref:`TypeLiteral<Syntax TypeLiteral>` | QuotedLiteral | NumberLiteral | IdentLiteral
-   QuotedLiteral = <value::ref:`QUOTED<Syntax QUOTED>`>
-   NumberLiteral = ( '-' | '+' )? <value::ref:`NUMBER<Syntax NUMBER>`>
-   IdentLiteral = <ident::ref:`IDENT<Syntax IDENT>`>
-
-Literals are used to specify values for properties. They can be strings, numbers, references to objects, ``null``, types, boolean values, or enum members.
-
-.. _Syntax TypeLiteral:
-
-Type Literals
--------------
-
-.. rst-class:: grammar-block
-
-   TypeLiteral = 'typeof' '<' :ref:`TypeName<Syntax TypeName>` '>'
-
-Sometimes, you need to specify a type as a value. For example, when creating a list store, you may need to specify the type of the items in the list store. This is done using a ``typeof<>`` literal.
-
-The type of a ``typeof<>`` literal is `GType <https://docs.gtk.org/gobject/alias.Type.html>`_, GObject's "meta-type" for type information.
-
-
-Example
-~~~~~~~
-
-.. code-block:: blueprint
-
-   Gio.ListStore {
-     item-type: typeof<GObject.Object>;
-   }
-
-
-.. _Syntax Flags:
-
-Flags
------
-
-.. rst-class:: grammar-block
-
-   Flags = <first::ref:`IDENT<Syntax IDENT>`> '|' ( <rest::ref:`IDENT<Syntax IDENT>`> )|+
-
-Flags are used to specify a set of options. One or more of the available flag values may be specified, and they are combined using ``|``.
-
-Example
-~~~~~~~
-
-.. code-block:: blueprint
-
-   Adw.TabView {
-     shortcuts: control_tab | control_shift_tab;
-   }
-
-
-.. _Syntax Translated:
-
-Translated Strings
-------------------
-
-.. rst-class:: grammar-block
-
-   Translated = ( '_' '(' <string::ref:`QUOTED<Syntax QUOTED>`> ')' ) | ( '\C_' '(' <context::ref:`QUOTED<Syntax QUOTED>`> ',' <string::ref:`QUOTED<Syntax QUOTED>`> ')' )
-
-
-Use ``_("...")`` to mark strings as translatable. You can put a comment for translators on the line above if needed.
-
-.. code-block:: blueprint
-
-   Gtk.Label label {
-     /* Translators: This is the main text of the welcome screen */
-     label: _("Hello, world!");
-   }
-
-Use ``C_("context", "...")`` to add a *message context* to a string to disambiguate it, in case the same string appears in different places. Remember, two strings might be the same in one language but different in another depending on context.
-
-.. code-block:: blueprint
-
-   Gtk.Label label {
-     /* Translators: This is a section in the preferences window */
-     label: C_("preferences window", "Hello, world!");
-   }
-
-
-.. _Syntax Binding:
-
-Bindings
---------
-
-.. rst-class:: grammar-block
-
-   Binding = 'bind' :ref:`Expression<Syntax Expression>` (BindingFlag)*
-   BindingFlag = 'inverted' | 'bidirectional' | 'no-sync-create'
-
-Bindings keep a property updated as other properties change. They can be used to keep the UI in sync with application data, or to connect two parts of the UI.
-
-The simplest bindings connect to a property of another object in the blueprint. When that other property changes, the bound property updates as well. More advanced bindings can do multi-step property lookups and can even call application code to compute values. See :ref:`the expressions page<Syntax Expression>`.
-
-Simple Bindings
-~~~~~~~~~~~~~~~
-
-A binding that consists of a source object and a single lookup is called a "simple binding". These are implemented using `GObject property bindings <https://docs.gtk.org/gobject/method.Object.bind_property.html>`_ and support a few flags:
-
-- ``inverted``: For boolean properties, the target is set to the inverse of the source property.
-- ``bidirectional``: The binding is two-way, so changes to the target property will also update the source property.
-- ``no-sync-create``: Normally, when a binding is created, the target property is immediately updated with the current value of the source property. This flag disables that behavior, and the bound property will be updated the next time the source property changes.
-
-Complex Bindings
-~~~~~~~~~~~~~~~~
-
-Bindings with more complex expressions are implemented with `Gtk.Expression <https://docs.gtk.org/gtk4/class.Expression.html>`_. These bindings do not support flags.
-
-Example
-~~~~~~~
-
-.. code-block:: blueprint
-
-   /* Use bindings to show a label when a switch
-    * is active, without any application code */
-
-   Switch show_label {}
-
-   Label {
-     visible: bind show_label.active;
-     label: _("I'm a label that's only visible when the switch is enabled!");
-   }
-
-.. _Syntax ObjectValue:
-
-Object Values
--------------
-
-.. rst-class:: grammar-block
-
-   ObjectValue = :ref:`Object<Syntax Object>`
-
-The value of a property can be an object, specified inline. This is particularly useful for widgets that use a ``child`` property rather than a list of child widgets. Objects constructed in this way can even have IDs and be referenced in other places in the blueprint.
-
-Such objects cannot have child annotations because they aren't, as far as blueprint is concerned, children of another object.
-
-
-.. _Syntax StringValue:
-
-String Values
--------------
-
-.. rst-class:: grammar-block
-
-   StringValue = :ref:`Translated<Syntax Translated>` | :ref:`QuotedLiteral<Syntax Literal>`
-
-Menus, as well as some :ref:`extensions<Syntax Extension>`, have properties that can only be string literals or translated strings.
-
-.. _Syntax ArrayValue:
-
-Array Values
--------------
-
-.. rst-class:: grammar-block
-
-    ArrayValue = '[' (:ref:`StringValue<Syntax StringValue>`),* ']'
-
-For now, it only supports :ref:`Strings<Syntax StringValue>`. This is because Gtk.Builder only supports string arrays.

docs/setup.rst

@@ -8,7 +8,7 @@ Setting up Blueprint on a new or existing project
 Using the porting tool
 ~~~~~~~~~~~~~~~~~~~~~~
 
-Clone `blueprint-compiler <https://gitlab.gnome.org/GNOME/blueprint-compiler>`_
+Clone `blueprint-compiler <https://gitlab.gnome.org/jwestman/blueprint-compiler>`_
 from source. You can install it using ``meson _build`` and ``ninja -C _build install``,
 or you can leave it uninstalled.
 
@@ -29,7 +29,7 @@ blueprint-compiler works as a meson subproject.
 
       [wrap-git]
       directory = blueprint-compiler
-      url = https://gitlab.gnome.org/GNOME/blueprint-compiler.git
+      url = https://gitlab.gnome.org/jwestman/blueprint-compiler.git
       revision = main
       depth = 1
 

docs/translations.rst

@@ -5,7 +5,7 @@ Translations
 Blueprint files can be translated with xgettext. To mark a string as translated,
 use the following syntax:
 
-.. code-block:: blueprint
+.. code-block::
 
    _("translated string")
 
@@ -24,8 +24,6 @@ If you're using Meson's `i18n module <https://mesonbuild.com/i18n-module.html#i1
 
    i18n.gettext('package name', preset: 'glib')
 
-You must use double quotes for the translated strings in order for gettext to recognize them. Newer versions of blueprint will warn you if you use single quotes.
-
 Contexts
 --------
 
@@ -36,7 +34,7 @@ conflicts. Two strings that are the same in English, but appear in different
 contexts, might be different in another language! To disambiguate, use ``C_``
 instead of ``_`` and add a context string as the first argument:
 
-.. code-block:: blueprint
+.. code-block::
 
    C_("shortcuts window", "Quit")
 

justfile

@@ -1,22 +0,0 @@
-default: black isort
-
-# Format with black formatter
-black:
-    black ./
-
-# Sort imports using isort
-isort:
-    isort ./ --profile black
-
-
-# Run all tests
-test: mypy unittest
-
-# Check typings with mypy
-mypy:
-    mypy --python-version=3.9 blueprintcompiler/
-
-# Test code with unittest
-unittest:
-    python3 -m unittest
-

meson.build

@@ -1,14 +1,14 @@
 project('blueprint-compiler',
-  version: '0.16.0',
+  version: '0.2.0',
 )
 
+subdir('docs')
+
 prefix = get_option('prefix')
 datadir = join_paths(prefix, get_option('datadir'))
 
 py = import('python').find_installation('python3')
 
-subdir('docs')
-
 configure_file(
   input: 'blueprint-compiler.pc.in',
   output: 'blueprint-compiler.pc',
@@ -17,29 +17,22 @@ configure_file(
   install_dir: join_paths(datadir, 'pkgconfig'),
 )
 
-config = configuration_data({
-  'VERSION': meson.project_version(),
-  'LIBDIR': get_option('prefix') / get_option('libdir'),
-})
-
-if meson.is_subproject()
-  config.set('MODULE_PATH', meson.current_source_dir())
-else
-  config.set('MODULE_PATH', py.get_install_dir())
-endif
-
 blueprint_compiler = configure_file(
   input: 'blueprint-compiler.py',
   output: 'blueprint-compiler',
-  configuration: config,
+  configuration: {
+    'VERSION': meson.project_version(),
+  },
   install: not meson.is_subproject(),
   install_dir: get_option('bindir'),
 )
 
-if meson.is_subproject()
+# Don't use the output configure_file here--that file is in the build directory
-  meson.override_find_program('blueprint-compiler', blueprint_compiler)
+# and won't be able to find the python modules in the source directory.
-else
+meson.override_find_program('blueprint-compiler', find_program('blueprint-compiler.py'))
-  install_subdir('blueprintcompiler', install_dir: py.get_install_dir())
+
+if not meson.is_subproject()
+  install_subdir('blueprintcompiler', install_dir: datadir / 'blueprint-compiler')
 endif
 
 subdir('tests')

tests/formatting/comment_in.blp

@@ -1,4 +0,0 @@
-using Gtk 4.0;
-//comment
-// Trailing whitespace:
-//       

tests/formatting/comment_out.blp

@@ -1,4 +0,0 @@
-using Gtk 4.0;
-// comment
-// Trailing whitespace:
-//

tests/formatting/correct1.blp

@@ -1,69 +0,0 @@
-using Gtk 4.0;
-using Adw 1;
-
-template $MyTemplate: Label {
-  /**
-   * A list of strings.
-   */
-  StringList {
-    // comment
-    strings [
-      "Hello",
-      C_("Greeting", "World"),
-    ]
-  }
-
-  object: Button {
-    label: "Click me";
-  };
-
-  flags: a | b;
-
-  [child]
-  Label {}
-
-  [child]
-  Label label2 {}
-
-  // Single line comment.
-
-  /**
-   * Multiline comment.
-   */
-  // Single line comment.
-  value: bind (1.0) as <double>;
-  as: 1;
-  signal => $on_signal() after; // Inline comment
-  type_value: typeof<$MyTemplate>;
-}
-
-Dialog {
-  [action response=ok]
-  $MyButton {}
-}
-
-menu menu {
-  item ("test")
-
-  item {
-    label: "test";
-  }
-
-  item ("test")
-}
-
-Adw.MessageDialog {
-  responses [
-    save: "Save" suggested disabled,
-  ]
-}
-
-Adw.Breakpoint {
-  condition ("width < 100")
-
-  setters {
-    label2.label: _("Hello, world!");
-    label2.visible: false;
-    label2.extra-menu: null;
-  }
-}

tests/formatting/in1.blp

@@ -1 +0,0 @@
-using Gtk 4.0;using Adw 1;Overlay{Label label{label:_("'Hello World!' \"\n\t\"");}[overlay]Button{notify::icon-name=>$on_icon_name_changed(label)swapped;styles["destructive"]}visible:bind $isVisible(label.visible,my-menu)as<bool>;width-request:bind label.width-request no-sync-create;}menu my-menu{item(_("Label"), "action-name", "icon-name")item{action:"win.format";}}

tests/formatting/in2.blp

@@ -1,40 +0,0 @@
-using Gtk 4.0;
-
-    using Adw 1;
-
-Overlay {
-
-Label
-label
-{
-label
-:
-_
-(
-"'Hello World!' \"\n\t\""
-)
-;
-}
-[
-    overlay
-] Button
-{ notify
-:: icon-name
-=> $ on_icon_name_changed ( label )
-swapped ;
-styles
-[ "destructive" ]
-}
-visible
-: bind $ isVisible ( label.visible ,
-my-menu ) as
- < bool > ; width-request : bind label . width-request no-sync-create ; }
-                menu my-menu
-{ item ( _ ( "Label" ) , "action-name" , "icon-name" ) item { action : "win.format" ; } }
-
-
-
-
-
-
-

tests/formatting/lists_in.blp

@@ -1,21 +0,0 @@
-using Gtk 4.0;
-
-Box {
-  styles []
-}
-
-Box {
-  styles ["a"]
-}
-
-Box {
-  styles ["a",]
-}
-
-Box {
-  styles ["a", "b"]
-}
-
-Box {
-  styles ["a", "b",]
-}

tests/formatting/lists_out.blp

@@ -1,31 +0,0 @@
-using Gtk 4.0;
-
-Box {
-  styles []
-}
-
-Box {
-  styles [
-    "a",
-  ]
-}
-
-Box {
-  styles [
-    "a",
-  ]
-}
-
-Box {
-  styles [
-    "a",
-    "b",
-  ]
-}
-
-Box {
-  styles [
-    "a",
-    "b",
-  ]
-}

tests/formatting/out.blp

@@ -1,28 +0,0 @@
-using Gtk 4.0;
-using Adw 1;
-
-Overlay {
-  Label label {
-    label: _("'Hello World!' \"\n\t\"");
-  }
-
-  [overlay]
-  Button {
-    notify::icon-name => $on_icon_name_changed(label) swapped;
-
-    styles [
-      "destructive",
-    ]
-  }
-
-  visible: bind $isVisible(label.visible, my-menu) as <bool>;
-  width-request: bind label.width-request no-sync-create;
-}
-
-menu my-menu {
-  item (_("Label"), "action-name", "icon-name")
-
-  item {
-    action: "win.format";
-  }
-}

tests/formatting/string_in.blp

@@ -1,5 +0,0 @@
-using Gtk 4.0;
-
-Label {
-  label: "\"'\'\t\n\\'";
-}

tests/formatting/string_out.blp

@@ -1,5 +0,0 @@
-using Gtk 4.0;
-
-Label {
-  label: "\"'\'\t\n\\'";
-}

tests/fuzz.py

@@ -1,22 +1,13 @@
-import os
+import os, sys
-import sys
-
 from pythonfuzz.main import PythonFuzz
 
-from blueprintcompiler.outputs.xml import XmlOutput
-
 sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))
 
-from blueprintcompiler import decompiler, gir, parser, tokenizer, utils
+from blueprintcompiler import tokenizer, parser, decompiler
 from blueprintcompiler.completions import complete
-from blueprintcompiler.errors import (
+from blueprintcompiler.errors import PrintableError, MultipleErrors, CompileError, CompilerBugError
-    CompileError,
-    CompilerBugError,
-    MultipleErrors,
-    PrintableError,
-)
 from blueprintcompiler.tokenizer import Token, TokenType, tokenize
-
+from blueprintcompiler import utils
 
 @PythonFuzz
 def fuzz(buf):
@@ -26,9 +17,8 @@ def fuzz(buf):
         tokens = tokenizer.tokenize(blueprint)
         ast, errors, warnings = parser.parse(tokens)
 
-        xml = XmlOutput()
+        if errors is None and len(ast.errors) == 0:
-        if errors is None and ast is not None:
+            actual = ast.generate()
-            xml.emit(ast)
     except CompilerBugError as e:
         raise e
     except PrintableError:
@@ -36,10 +26,5 @@ def fuzz(buf):
     except UnicodeDecodeError:
         pass
 
-
 if __name__ == "__main__":
-    # Make sure Gtk 4.0 is accessible, otherwise every test will fail on that
-    # and nothing interesting will be tested
-    gir.get_namespace("Gtk", "4.0")
-
     fuzz()

tests/meson.build

@@ -1 +1 @@
-test('tests', py, args: ['-m', 'unittest'], workdir: meson.project_source_root())
+test('tests', py, args: ['-m', 'unittest'], workdir: meson.source_root())

tests/sample_errors/a11y_list_empty.blp

@@ -1,9 +0,0 @@
-using Gtk 4.0;
-
-Box {
-  accessibility {
-    label: _("Hello, world!");
-    labelled-by: [];
-    checked: true;
-  }
-}

tests/sample_errors/a11y_list_empty.err

@@ -1 +0,0 @@
-6,5,11,'labelled-by' may not be empty

tests/sample_errors/a11y_non_list_property.blp

@@ -1,15 +0,0 @@
-using Gtk 4.0;
-
-Box {
-  accessibility {
-    label: _("Hello, world!");
-    active-descendant: [my_label1, my_label2, my_label3];
-    checked: true;
-  }
-}
-
-Label my_label1 {}
-
-Label my_label2 {}
-
-Label my_label3 {}

tests/sample_errors/a11y_non_list_property.err

@@ -1 +0,0 @@
-6,5,17,'active-descendant' does not allow a list of values

tests/sample_errors/a11y_prop_type.err

@@ -1 +1 @@
-5,18,1,Cannot convert number to Gtk.Orientation
+5,18,1,Cannot convert 1 to Gtk.Orientation