blueprint-compiler/blueprintcompiler/language/ui.py
2023-03-20 13:34:17 -05:00

113 lines
3.2 KiB
Python

# ui.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 functools import cached_property
from .. import gir
from .imports import GtkDirective, Import
from .gtkbuilder_template import Template
from .gobject_object import Object
from .gtk_menu import menu, Menu
from .common import *
class UI(AstNode):
"""The AST node for the entire file"""
grammar = [
GtkDirective,
ZeroOrMore(Import),
Until(
AnyOf(
Template,
menu,
Object,
),
Eof(),
),
]
@property
def gir(self):
gir_ctx = gir.GirContext()
self._gir_errors = []
try:
if gtk := self.children[GtkDirective][0].gir_namespace:
gir_ctx.add_namespace(gtk)
except CompileError as e:
self._gir_errors.append(e)
for i in self.children[Import]:
try:
if i.gir_namespace is not None:
gir_ctx.add_namespace(i.gir_namespace)
except CompileError as e:
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:
return self.children[GtkDirective][0]
@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)
]
@cached_property
def objects_by_id(self):
return {
obj.tokens["id"]: obj
for obj in self.iterate_children_recursive()
if obj.tokens["id"] is not None
}
@validate()
def gir_errors(self):
# make sure gir is loaded
self.gir
if len(self._gir_errors):
raise MultipleErrors(self._gir_errors)
@validate()
def unique_ids(self):
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