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[lldb] Use Python script to generate SBLanguages.h (#90753)
Use a Python script to generate SBLanguages.h instead of piggybacking on LLDB TableGen. This addresses Nico Weber's post-commit feedback.
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#!/usr/bin/env python3 | ||
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import argparse | ||
import re | ||
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HEADER = """\ | ||
//===-- SBLanguages.h -----------------------------------------*- C++ -*-===// | ||
// | ||
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | ||
// See https://llvm.org/LICENSE.txt for license information. | ||
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||
// | ||
//===----------------------------------------------------------------------===// | ||
#ifndef LLDB_API_SBLANGUAGE_H | ||
#define LLDB_API_SBLANGUAGE_H | ||
/// Used by \\ref SBExpressionOptions. | ||
/// These enumerations use the same language enumerations as the DWARF | ||
/// specification for ease of use and consistency. | ||
enum SBSourceLanguageName : uint16_t { | ||
""" | ||
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FOOTER = """\ | ||
}; | ||
#endif | ||
""" | ||
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REGEX = re.compile( | ||
r'^ *HANDLE_DW_LNAME *\( *(?P<value>[^,]+), (?P<comment>[^"]+), "(?P<name>.*)",.*\)' | ||
) | ||
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def emit_enum(input, output): | ||
# Read the input and break it up by lines. | ||
lines = [] | ||
with open(input, "r") as f: | ||
lines = f.readlines() | ||
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# Write the output. | ||
with open(output, "w") as f: | ||
# Emit the header. | ||
f.write(HEADER) | ||
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# Emit the enum values. | ||
for line in lines: | ||
match = REGEX.match(line) | ||
if not match: | ||
continue | ||
f.write(f" /// {match.group('comment')}.\n") | ||
f.write(f" eLanguageName{match.group('name')} = {match.group('value')},\n") | ||
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# Emit the footer | ||
f.write(FOOTER) | ||
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def main(): | ||
parser = argparse.ArgumentParser() | ||
parser.add_argument("--output", "-o") | ||
parser.add_argument("input") | ||
args = parser.parse_args() | ||
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emit_enum(args.input, args.output) | ||
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if __name__ == "__main__": | ||
main() |
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