mirror of
https://gitlab.gnome.org/jwestman/blueprint-compiler.git
synced 2025-05-04 15:59:08 -04:00
80b5698533
Parse values as different AST nodes rather than just strings. This allows for better validation and will eventually make expressions possible.
73 lines
1.8 KiB
Python
73 lines
1.8 KiB
Python
# parser_utils.py
|
|
#
|
|
# Copyright 2021 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 . import ast
|
|
from .parse_tree import *
|
|
|
|
|
|
class_name = AnyOf(
|
|
Sequence(
|
|
UseIdent("namespace"),
|
|
Op("."),
|
|
UseIdent("class_name"),
|
|
),
|
|
Sequence(
|
|
Op("."),
|
|
UseIdent("class_name"),
|
|
UseLiteral("ignore_gir", True),
|
|
),
|
|
UseIdent("class_name"),
|
|
)
|
|
|
|
literal = Group(
|
|
ast.LiteralValue,
|
|
AnyOf(
|
|
Sequence(Keyword("true"), UseLiteral("value", True)),
|
|
Sequence(Keyword("false"), UseLiteral("value", False)),
|
|
UseNumber("value"),
|
|
UseQuoted("value"),
|
|
)
|
|
)
|
|
|
|
ident_value = Group(
|
|
ast.IdentValue,
|
|
UseIdent("value"),
|
|
)
|
|
|
|
flags_value = Group(
|
|
ast.FlagsValue,
|
|
Sequence(
|
|
Group(ast.Flag, UseIdent("value")),
|
|
Op("|"),
|
|
Delimited(Group(ast.Flag, UseIdent("value")), Op("|")),
|
|
),
|
|
)
|
|
|
|
translated_string = Group(
|
|
ast.TranslatedStringValue,
|
|
Sequence(
|
|
Keyword("_"),
|
|
OpenParen(),
|
|
UseQuoted("value").expected("a quoted string"),
|
|
CloseParen().expected("`)`"),
|
|
),
|
|
)
|
|
|
|
value = AnyOf(translated_string, literal, flags_value, ident_value)
|