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127 lines
3.7 KiB
Python
127 lines
3.7 KiB
Python
# gobject_object.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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import typing as T
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from functools import cached_property
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from blueprintcompiler.errors import T
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from blueprintcompiler.lsp_utils import DocumentSymbol
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from .common import *
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from .response_id import ExtResponse
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from .types import ClassName, ConcreteClassName
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RESERVED_IDS = {"this", "self", "template", "true", "false", "null", "none"}
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class ObjectContent(AstNode):
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grammar = ["{", Until(OBJECT_CONTENT_HOOKS, "}")]
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@property
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def gir_class(self):
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return self.parent.gir_class
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class Object(AstNode):
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grammar: T.Any = [
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ConcreteClassName,
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Optional(UseIdent("id")),
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ObjectContent,
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]
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@property
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def id(self) -> str:
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return self.tokens["id"]
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@property
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def class_name(self) -> ClassName:
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return self.children[ClassName][0]
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@property
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def content(self) -> ObjectContent:
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return self.children[ObjectContent][0]
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@property
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def signature(self) -> str:
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if self.id:
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return f"{self.class_name.gir_type.full_name} {self.id}"
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elif t := self.class_name.gir_type:
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return f"{t.full_name}"
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else:
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return f"{self.class_name.as_string}"
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@property
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def document_symbol(self) -> T.Optional[DocumentSymbol]:
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return DocumentSymbol(
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self.class_name.as_string,
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SymbolKind.Object,
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self.range,
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self.children[ClassName][0].range,
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self.id,
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)
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@property
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def gir_class(self) -> GirType:
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if self.class_name is None:
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raise CompilerBugError()
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return self.class_name.gir_type
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@cached_property
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def action_widgets(self) -> T.List[ExtResponse]:
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"""Get list of widget's action widgets.
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Empty if object doesn't have action widgets.
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"""
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from .gtkbuilder_child import Child
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return [
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child.response_id
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for child in self.content.children[Child]
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if child.response_id
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]
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@validate("id")
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def object_id_not_reserved(self):
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from .gtkbuilder_template import Template
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if not isinstance(self, Template) and self.id in RESERVED_IDS:
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raise CompileWarning(f"{self.id} may be a confusing object ID")
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def validate_parent_type(node, ns: str, name: str, err_msg: str):
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parent = node.root.gir.get_type(name, ns)
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container_type = node.parent_by_type(Object).gir_class
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if container_type and not container_type.assignable_to(parent):
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raise CompileError(
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f"{container_type.full_name} is not a {parent.full_name}, so it doesn't have {err_msg}"
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)
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@decompiler("object")
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def decompile_object(ctx, gir, klass, id=None):
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gir_class = ctx.type_by_cname(klass)
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klass_name = (
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decompile.full_name(gir_class) if gir_class is not None else "$" + klass
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)
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if id is None:
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ctx.print(f"{klass_name} {{")
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else:
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ctx.print(f"{klass_name} {id} {{")
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return gir_class
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