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c5153cb398
At the same time, simplify CMakeLists magic for libraries that want to include Swift code in the library. The Lib-less name of the library is now always the module name for the library with any Swift additions, extensions, etc. All vfs overlays now live in a common location to make finding them easier from CMake functions. A new pattern is needed for the Lib-less modules to re-export their Cxx counterparts.
71 lines
2.3 KiB
Python
71 lines
2.3 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(
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epilog=__doc__,
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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('generated_files', nargs='+', help='extra files to include in the module map')
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parser.add_argument('-n', '--module-name', help='top-level module name')
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parser.add_argument('-m', '--module-map', required=True, help='output module map file')
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parser.add_argument('-v', '--vfs-map', required=True, help='output VFS map file')
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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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header_files = [f for f in root.rglob('**/*.h') if f.is_file()]
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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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