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71 lines
2.4 KiB
Python
71 lines
2.4 KiB
Python
#!/usr/bin/env python3
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"""
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Generates a clang module map for a given directory
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"""
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import argparse
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import pathlib
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import yaml
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import sys
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def write_file_if_not_same(file_path, content):
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try:
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with open(file_path, "r") as f:
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if f.read() == content:
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return
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except FileNotFoundError:
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pass
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with open(file_path, "w") as f:
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f.write(content)
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def main():
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parser = argparse.ArgumentParser(epilog=__doc__, formatter_class=argparse.RawDescriptionHelpFormatter)
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parser.add_argument("directory", help="source directory to generate module map for")
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parser.add_argument("--module-name", help="top-level module name")
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parser.add_argument("--module-map", required=True, help="output module map file")
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parser.add_argument("--vfs-map", required=True, help="output VFS map file")
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parser.add_argument("--exclude-files", nargs="*", required=False, help="files to exclude in the module map")
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parser.add_argument("--generated-files", nargs="*", help="extra files to include in the module map")
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args = parser.parse_args()
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root = pathlib.Path(args.directory)
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if not root.is_dir():
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print(f"Error: {args.directory} is not a directory", file=sys.stderr)
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return 1
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pathlib.Path(args.module_map).parent.mkdir(parents=True, exist_ok=True)
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pathlib.Path(args.vfs_map).parent.mkdir(parents=True, exist_ok=True)
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exclude_files = set(args.exclude_files) if args.exclude_files else set()
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header_files = [f for f in root.rglob("**/*.h") if f.is_file() and f.name not in exclude_files]
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module_name = args.module_name if args.module_name else root.name
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module_map = f"module {module_name} {{\n"
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for header_file in header_files:
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module_map += f' header "{header_file.relative_to(root)}"\n'
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for generated_file in args.generated_files:
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module_map += f' header "{generated_file}"\n'
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module_map += " requires cplusplus\n"
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module_map += " export *\n"
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module_map += "}\n"
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vfs_map = {
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"version": 0,
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"use-external-names": False,
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"roots": [
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{
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"name": f"{root}/module.modulemap",
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"type": "file",
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"external-contents": f"{args.module_map}",
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}
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],
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}
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write_file_if_not_same(args.module_map, module_map)
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write_file_if_not_same(args.vfs_map, yaml.dump(vfs_map))
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if __name__ == "__main__":
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sys.exit(main())
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