mirror of
https://github.com/google/gn-language-server.git
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64 lines
2.4 KiB
Python
Executable file
64 lines
2.4 KiB
Python
Executable file
#!/usr/bin/env python3
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#
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# Copyright 2025 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import re
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import subprocess
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_SECTION_RE = re.compile(r'^## <a name="([^"]+)">[^\n]*\n\n(.*?)(?=^## |\Z)', re.DOTALL | re.MULTILINE)
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_ITEM_RE = re.compile(r'^### <a name="[^"]+"></a>(\*+([^*]+)\*+[^\n]*?) [^\n]*\n(.*?)(?=^### |\Z )', re.DOTALL | re.MULTILINE)
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_VERBATIM_RE = re.compile(r'^```$\n(.*?)^```$', re.DOTALL | re.MULTILINE)
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def _ensure_gn(out_dir: str):
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gn_dir = os.path.join(out_dir, 'gn')
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if not os.path.exists(gn_dir):
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subprocess.check_call(['git', 'clone', 'https://gn.googlesource.com/gn'], cwd=out_dir)
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subprocess.check_call(['git', 'checkout', '--quiet', 'c97a86a72105f3328a540f5a5ab17d11989ab7dd'], cwd=gn_dir)
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def _generate_builtins(out_dir: str):
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with open(os.path.join(out_dir, 'gn/docs/reference.md')) as f:
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reference = f.read()
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with open(os.path.join(out_dir, 'builtins.gen.rsi'), 'w') as out:
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print('// This file was generated by generate_builtins.py. DO NOT EDIT.', file=out)
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print('', file=out)
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print('BuiltinSymbols {', file=out)
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for m in _SECTION_RE.finditer(reference):
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category = m.group(1)
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if category not in ('targets', 'functions', 'predefined_variables', 'target_variables'):
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continue
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print(f' {category}: &[', file=out)
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for m in _ITEM_RE.finditer(m.group(2)):
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name = m.group(2)
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doc = m.group(1) + '\n' + m.group(3)
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doc = _VERBATIM_RE.sub(r'```text\n\1```', doc)
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print(f' BuiltinSymbol {{ name: "{name}", doc: r#"{doc}"# }},', file=out)
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print(f' ],', file=out)
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print('}', file=out)
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def main():
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os.chdir(os.path.dirname(os.path.dirname(__file__)))
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out_dir = os.environ['OUT_DIR']
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_ensure_gn(out_dir)
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_generate_builtins(out_dir)
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if __name__ == '__main__':
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main()
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