mirror of
https://github.com/HackerN64/HackerOoT.git
synced 2026-01-21 10:37:37 -08:00
67 lines
2.0 KiB
Python
67 lines
2.0 KiB
Python
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#!/usr/bin/env python3
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# SPDX-FileCopyrightText: © 2024 ZeldaRET
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# SPDX-License-Identifier: CC0-1.0
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# Usage: preprocess.py [compile command minus input file...] [single input file]
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# Preprocess a C file to:
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# * Re-encode from UTF-8 to EUC-JP (the repo uses UTF-8 for text encoding, but
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# the strings in the ROM are encoded in EUC-JP)
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# * Replace `#pragma increment_block_number N` with `N` fake structs for
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# controlling BSS ordering
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from pathlib import Path
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import os
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import tempfile
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import subprocess
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import sys
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def fail(message):
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print(message, file=sys.stderr)
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sys.exit(1)
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def process_file(filename, input, output):
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output.write(f'#line 1 "{filename}"\n')
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for i, line in enumerate(input, start=1):
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if line.startswith("#pragma increment_block_number"):
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parts = line.split()
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if len(parts) != 3:
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fail(
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f"{filename}:{i}: increment_block_number must be followed by an integer"
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)
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try:
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amount = int(parts[2])
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except ValueError:
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fail(
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f"{filename}:{i}: increment_block_number must be followed by an integer"
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)
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# Write fake structs for BSS ordering
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for j in range(amount):
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output.write(f"struct DummyStruct_{i:05}_{j:03};\n")
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output.write(f'#line {i + 1} "{filename}"\n')
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else:
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output.write(line)
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def main():
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filename = Path(sys.argv[-1])
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with tempfile.TemporaryDirectory(prefix="oot_") as tmpdir:
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tmpfile = Path(tmpdir) / filename.name
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with open(filename, mode="r", encoding="utf-8") as input:
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with open(tmpfile, mode="w", encoding="euc-jp") as output:
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process_file(filename, input, output)
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compile_command = sys.argv[1:-1] + ["-I", filename.parent, tmpfile]
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process = subprocess.run(compile_command)
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return process.returncode
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if __name__ == "__main__":
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try:
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sys.exit(main())
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except KeyboardInterrupt:
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sys.exit(1)
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