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import re
import sys
from pathlib import Path
def bundle_header(input_path: Path):
"""
Looks for #include "filename" // <REPLACE>
And inlines that file directly into the code.
"""
output_path = input_path.with_suffix(input_path.suffix + ".out")
include_pattern = re.compile(r'#include\s+["<](?P<filename>.*)[">]\s*//\s*<REPLACE>')
def process_file(file_path: Path) -> str:
if not file_path.exists():
print(f"Warning: {file_path} not found.")
return f"// Error: {file_path} not found\n"
lines = []
with open(file_path, 'r') as f:
for line in f:
match = include_pattern.search(line)
if match:
include_name = match.group('filename')
# Look for the file relative to the current file's directory
nested_path = file_path.parent / include_name
lines.append(f"/* --- Start of {include_name} --- */\n")
lines.append(process_file(nested_path))
lines.append(f"/* --- End of {include_name} --- */\n")
else:
lines.append(line)
return "".join(lines)
content = process_file(input_path)
with open(output_path, 'w') as f:
f.write(content)
print(f"Successfully bundled into: {output_path}")
if __name__ == "__main__":
if len(sys.argv) < 2:
print("Usage: python build.py <path_to_header>")
sys.exit(1)
bundle_header(Path(sys.argv[1]))
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