mirror of
https://gitlab.gnome.org/jwestman/blueprint-compiler.git
synced 2025-05-03 15:49:07 -04:00
53 lines
1.7 KiB
Python
53 lines
1.7 KiB
Python
# 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 Binding(AstNode):
|
|
grammar = [
|
|
Keyword("bind"),
|
|
Expression,
|
|
]
|
|
|
|
@property
|
|
def expression(self) -> Expression:
|
|
return self.children[Expression][0]
|
|
|
|
@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):
|
|
return SimpleBinding(
|
|
self.expression.last.lhs.literal.value.ident,
|
|
self.expression.last.property_name,
|
|
)
|
|
return None
|
|
|
|
|
|
@dataclass
|
|
class SimpleBinding:
|
|
source: str
|
|
property_name: str
|