mirror of
https://gitlab.gnome.org/jwestman/blueprint-compiler.git
synced 2025-05-05 16:09:07 -04:00
ae40f8416f
Should make it clearer what a "variable" is and allow more flexibility in what a variable can be (previously it could only be an object, but now it can be e.g. a reference to the template or a special shortcut)
102 lines
3 KiB
Python
102 lines
3 KiB
Python
# ui.py
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#
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# Copyright 2022 James Westman <james@jwestman.net>
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#
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# This file is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as
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# published by the Free Software Foundation; either version 3 of the
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# License, or (at your option) any later version.
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#
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# This file is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# SPDX-License-Identifier: LGPL-3.0-or-later
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from .. import gir
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from .imports import GtkDirective, Import
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from .gtkbuilder_template import Template
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from .common import *
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class UI(AstNode, Scope):
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""" The AST node for the entire file """
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grammar = [
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GtkDirective,
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ZeroOrMore(Import),
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Until(AnyOf(
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Template,
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OBJECT_HOOKS,
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), Eof()),
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]
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@property
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def gir(self):
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gir_ctx = gir.GirContext()
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self._gir_errors = []
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try:
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gir_ctx.add_namespace(self.children[GtkDirective][0].gir_namespace)
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except CompileError as e:
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self._gir_errors.append(e)
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for i in self.children[Import]:
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try:
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if i.gir_namespace is not None:
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gir_ctx.add_namespace(i.gir_namespace)
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except CompileError as e:
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e.start = i.group.tokens["namespace"].start
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e.end = i.group.tokens["version"].end
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self._gir_errors.append(e)
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return gir_ctx
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@property
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def objects_by_id(self):
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return { obj.tokens["id"]: obj for obj in self.iterate_children_recursive() if obj.tokens["id"] is not None }
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@property
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def variables(self):
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def emit_xml(xml: XmlEmitter, obj_id: str):
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xml.start_tag("constant")
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xml.put_text(obj_id)
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xml.end_tag()
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return {
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id: ScopeVariable(id, obj.gir_class, lambda xml: emit_xml(xml, id))
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for id, obj in self.objects_by_id.items()
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}
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@validate()
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def gir_errors(self):
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# make sure gir is loaded
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self.gir
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if len(self._gir_errors):
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raise MultipleErrors(self._gir_errors)
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@validate()
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def unique_ids(self):
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passed = {}
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for obj in self.iterate_children_recursive():
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if obj.tokens["id"] is None:
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continue
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if obj.tokens["id"] in passed:
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token = obj.group.tokens["id"]
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raise CompileError(f"Duplicate object ID '{obj.tokens['id']}'", token.start, token.end)
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passed[obj.tokens["id"]] = obj
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def emit_xml(self, xml: XmlEmitter):
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xml.start_tag("interface")
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for x in self.children:
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x.emit_xml(xml)
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xml.end_tag()
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