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2da6be7618
The issue is specific to the language server, since it's trying to use an AST that contains errors. The test would not fail but was added anyway.
86 lines
2.9 KiB
Python
86 lines
2.9 KiB
Python
# imports.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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from .. import gir
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from .common import *
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class GtkDirective(AstNode):
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grammar = Statement(
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Match("using").err("File must start with a \"using Gtk\" directive (e.g. `using Gtk 4.0;`)"),
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Match("Gtk").err("File must start with a \"using Gtk\" directive (e.g. `using Gtk 4.0;`)"),
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UseNumberText("version").expected("a version number for GTK"),
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)
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@validate("version")
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def gtk_version(self):
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version = self.tokens["version"]
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if version not in ["4.0"]:
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err = CompileError("Only GTK 4 is supported")
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if version and version.startswith("4"):
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err.hint("Expected the GIR version, not an exact version number. Use 'using Gtk 4.0;'.")
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else:
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err.hint("Expected 'using Gtk 4.0;'")
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raise err
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try:
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gir.get_namespace("Gtk", version)
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except CompileError as e:
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raise CompileError(
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"Could not find GTK 4 introspection files. Is gobject-introspection installed?",
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fatal=True,
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# preserve the hints from the original error, because it contains
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# useful debugging information
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hints=e.hints,
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)
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@property
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def gir_namespace(self):
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# validate the GTK version first to make sure the more specific error
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# message is emitted
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self.gtk_version()
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return gir.get_namespace("Gtk", self.tokens["version"])
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def emit_xml(self, xml: XmlEmitter):
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xml.put_self_closing("requires", lib="gtk", version=self.tokens["version"])
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class Import(AstNode):
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grammar = Statement(
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"using",
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UseIdent("namespace").expected("a GIR namespace"),
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UseNumberText("version").expected("a version number"),
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)
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@validate("namespace", "version")
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def namespace_exists(self):
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gir.get_namespace(self.tokens["namespace"], self.tokens["version"])
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@property
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def gir_namespace(self):
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try:
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return gir.get_namespace(self.tokens["namespace"], self.tokens["version"])
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except CompileError:
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return None
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def emit_xml(self, xml):
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pass
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