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#!/usr/bin/env python
# SPDX-FileCopyrightText: © 2026 ZeldaRET
# SPDX-License-Identifier: CC0-1.0
#
# Create a single-file armips assembler from an upstream commit, for MIPS only.
# Changing the target commit may require updating
# - armips.diff
# - the included file list
# - the line filters in filter_lines
#
import contextlib, io, os
ARMIPS_URL = "https://github.com/kingcom/armips"
ARMIPS_COMMIT = "9029577f6448c78dadcffbc876d2b8cbcfc6da9b"
ARMIPS_MAJOR_VER = "v0.11"
ARMIPS_PATCH = "armips.diff"
ARMIPS_OUTPUT = "armips.cpp"
file_list = (
"Util/FileSystem.h",
"ext/tinyformat/tinyformat.h",
"Core/Types.h",
"Core/Types.cpp",
"Commands/CAssemblerCommand.h",
"Core/Expression.h",
"Parser/Tokenizer.h",
"Core/ExpressionFunctionHandler.h",
"Core/ExpressionFunctions.h",
"Core/SymbolData.h",
"Util/Util.h",
"Util/FileClasses.h",
"Util/ByteArray.h",
"Core/FileManager.h",
"Core/ELF/ElfTypes.h",
"Core/ELF/ElfFile.h",
"Core/ELF/ElfRelocator.h",
"Archs/Architecture.h",
"Archs/MIPS/Mips.h",
"Archs/MIPS/MipsOpcodes.h",
"Archs/MIPS/CMipsInstruction.h",
"Util/EncodingTable.h",
"Core/Misc.h",
"Core/Assembler.h",
"Core/SymbolTable.h",
"Core/Common.h",
"Core/Allocations.h",
"Core/Allocations.cpp",
"Parser/DirectivesParser.h",
"Archs/MIPS/MipsMacros.h",
"Archs/MIPS/MipsParser.h",
"Archs/MIPS/CMipsInstruction.cpp",
"Archs/MIPS/MipsExpressionFunctions.h",
"Archs/MIPS/MipsElfRelocator.h",
"Archs/MIPS/Mips.cpp",
"Archs/MIPS/MipsElfFile.h",
"Util/CRC.h",
"Archs/MIPS/MipsElfFile.cpp",
"Commands/CommandSequence.h",
"Parser/Parser.h",
"Archs/MIPS/MipsElfRelocator.cpp",
"Archs/MIPS/MipsExpressionFunctions.cpp",
"Archs/MIPS/MipsMacros.cpp",
"Archs/MIPS/MipsOpcodes.cpp",
"Parser/ExpressionParser.h",
"Core/ExpressionFunctionHandler.cpp",
"Archs/MIPS/PsxRelocator.h",
"Commands/CDirectiveFile.h",
"Archs/MIPS/MipsParser.cpp",
"Archs/MIPS/PsxRelocator.cpp",
"Archs/Architecture.cpp",
"Commands/CAssemblerCommand.cpp",
"Commands/CAssemblerLabel.h",
"Commands/CAssemblerLabel.cpp",
"Commands/CDirectiveArea.h",
"Commands/CDirectiveArea.cpp",
"Commands/CDirectiveConditional.h",
"Commands/CDirectiveConditional.cpp",
"Commands/CDirectiveData.h",
"Commands/CDirectiveData.cpp",
"Commands/CDirectiveFile.cpp",
"Commands/CDirectiveMessage.h",
"Commands/CDirectiveMessage.cpp",
"Commands/CommandSequence.cpp",
"Parser/DirectivesParser.cpp",
"Parser/ExpressionParser.cpp",
"Parser/Parser.cpp",
"Parser/Tokenizer.cpp",
"Util/ByteArray.cpp",
"Util/CRC.cpp",
"Util/EncodingTable.cpp",
"Util/FileClasses.cpp",
"Util/Util.cpp",
"Main/CommandLineInterface.h",
"Main/CommandLineInterface.cpp",
"Core/ELF/ElfFile.cpp",
"Core/ELF/ElfRelocator.cpp",
"Core/Assembler.cpp",
"Core/Common.cpp",
"Core/Expression.cpp",
"Core/ExpressionFunctions.cpp",
"Core/FileManager.cpp",
"Core/Misc.cpp",
"Core/SymbolData.cpp",
"Core/SymbolTable.cpp",
"Main/main.cpp",
)
file_header = \
f"""// == AUTOMATICALLY GENERATED by armips_gen.py, do not edit directly ==
// armips assembler {ARMIPS_MAJOR_VER} (commit {ARMIPS_COMMIT})
// {ARMIPS_URL}
// To simplify compilation, all files have been concatenated into one.
// MIPS only, other architectures not included.\n\n"""
@contextlib.contextmanager
def working_dir(x: str):
old = os.getcwd()
os.chdir(x)
try:
yield
finally:
os.chdir(old)
def filter_lines(line: str):
blacklist = (
"#pragma once",
"#include \"",
"#include <tinyformat.h>"
)
return not any(s in line for s in blacklist)
def cat_file(fout: io.TextIOBase, fin_name: str):
with open(fin_name) as fin:
lines = fin.readlines()
lines = map(str.rstrip, filter(filter_lines, lines))
fout.write("\n".join(lines) + "\n")
def combine_armips(fout_name: str, armips_path: str):
with open(fout_name, "w") as fout:
fout.write(file_header)
fout.write("/*\n")
cat_file(fout, os.path.join(armips_path, "LICENSE.txt"))
fout.write("*/\n\n")
fout.write("#define ARMIPS_USE_STD_FILESYSTEM\n")
for f in file_list:
fout.write(f"\n#pragma region \"File: {f}\"\n")
cat_file(fout, os.path.join(armips_path, f))
def main():
with working_dir(os.path.dirname(os.path.realpath(__file__))):
temp_dir = "armips_clone"
# Acquire the base armips commit
os.system(f"rm -rf {temp_dir}")
os.system(f"git init {temp_dir} 2>/dev/null")
with working_dir(temp_dir):
os.system(f"git remote add origin {ARMIPS_URL}.git")
os.system(f"git fetch origin --depth 1 {ARMIPS_COMMIT}")
os.system(f"git checkout FETCH_HEAD 2>/dev/null")
# Apply patch
os.system(f"git apply ../{ARMIPS_PATCH}")
# Concat all included files
print(f"Creating {ARMIPS_OUTPUT}")
combine_armips(ARMIPS_OUTPUT, os.path.expanduser(temp_dir))
os.system(f"rm -rf {temp_dir}")
if __name__ == "__main__":
main()
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