#!/usr/bin/env python3
import json
import re
import sys
import os

def clean_compile_commands(compile_commands_path):
    # Load the compile_commands.json file
    with open(compile_commands_path, 'r') as f:
        data = json.load(f)

    # Flags to remove (Emscripten-specific)
    flags_to_remove = [
        r'-s\w+=\S*',       # Matches -sSTRICT=0, -sMODULARIZE=1, etc.
        r'-s\w+',           # Matches -sWASM, -sASSERTIONS, etc.
        r'--no-entry',
        r'--bind',
        r'--cache',
    ]

    # Clean each command
    for entry in data:
        if 'command' in entry:
            command = entry['command']
            # Remove all unwanted flags
            for flag_pattern in flags_to_remove:
                command = re.sub(flag_pattern, '', command)
            # Remove extra spaces
            command = ' '.join(command.split())
            entry['command'] = command

    # Save the cleaned file
    with open(compile_commands_path, 'w') as f:
        json.dump(data, f, indent=2)

    print(f"Cleaned {compile_commands_path}")

if __name__ == '__main__':
    if len(sys.argv) != 2:
        print("Usage: python clean_compile_commands.py <compile_commands.json>")
        sys.exit(1)
    clean_compile_commands(sys.argv[1])