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# gobject_object.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 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 .types import ClassName, ConcreteClassName
RESERVED_IDS = {
"this",
"self",
"template",
"true",
"false",
"null",
"none",
"item",
"expr",
"typeof",
}
class ObjectContent(AstNode):
grammar = ["{", Until(OBJECT_CONTENT_HOOKS, "}")]
@property
def gir_class(self):
return self.parent.gir_class
class Object(AstNode):
grammar: T.Any = [
ConcreteClassName,
Optional(UseIdent("id")),
ObjectContent,
]
@property
def id(self) -> str:
return self.tokens["id"]
@property
def class_name(self) -> ClassName:
return self.children[ClassName][0]
@property
def content(self) -> ObjectContent:
return self.children[ObjectContent][0]
@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
def document_symbol(self) -> T.Optional[DocumentSymbol]:
return DocumentSymbol(
self.class_name.as_string,
SymbolKind.Object,
self.range,
self.children[ClassName][0].range,
self.id,
)
@property
def gir_class(self) -> GirType:
if self.class_name is None:
raise CompilerBugError()
return self.class_name.gir_type
@cached_property
def action_widgets(self) -> T.List[ExtResponse]:
"""Get list of widget's action widgets.
Empty if object doesn't have action widgets.
"""
from .gtkbuilder_child import Child
return [
child.response_id
for child in self.content.children[Child]
if child.response_id
]
@validate("id")
def object_id_not_reserved(self):
from .gtkbuilder_template import Template
if not isinstance(self, Template) and self.id in RESERVED_IDS:
raise CompileWarning(f"{self.id} may be a confusing object ID")
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(
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):
gir_class = ctx.type_by_cname(klass)
klass_name = (
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
|
