39 lines
852 B
Python
39 lines
852 B
Python
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#!/usr/bin/env python3
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"""Remove all C/C++ comments from a file."""
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import sys
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import re
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def remove_comments(source):
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pattern = re.compile(
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r'//.*?$|/\*.*?\*/|"(?:\\.|[^"\\])*"|\'(?:\\.|[^\'\\])*\'',
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re.DOTALL | re.MULTILINE,
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)
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def replacer(match):
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s = match.group(0)
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if s.startswith("/"):
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return " " if s.startswith("/*") else ""
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return s
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return pattern.sub(replacer, source)
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if __name__ == "__main__":
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if len(sys.argv) < 2:
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print(f"Usage: {sys.argv[0]} <file> [--inplace]", file=sys.stderr)
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sys.exit(1)
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path = sys.argv[1]
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inplace = "--inplace" in sys.argv
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with open(path) as f:
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result = remove_comments(f.read())
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if inplace:
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with open(path, "w") as f:
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f.write(result)
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else:
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print(result, end="")
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