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131 lines
3.9 KiB
Python
131 lines
3.9 KiB
Python
#!/usr/bin/env python3
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#
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# This script renames symbols in the specified paths
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import argparse
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import os
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import pathlib
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import re
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import sys
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SDL_ROOT = pathlib.Path(__file__).resolve().parents[1]
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SDL_INCLUDE_DIR = SDL_ROOT / "include/SDL3"
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def main():
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if args.all_symbols:
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if len(args.args) < 1:
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print("Usage: %s --all-symbols files_or_directories ..." % sys.argv[0])
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exit(1)
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replacements = get_all_replacements()
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entries = args.args
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else:
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if len(args.args) < 3:
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print("Usage: %s [--substring] oldname newname files_or_directories ..." % sys.argv[0])
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exit(1)
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replacements = { args.args[0]: args.args[1] }
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entries = args.args[2:]
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if args.substring:
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regex = create_substring_regex_from_replacements(replacements)
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else:
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regex = create_regex_from_replacements(replacements)
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for entry in entries:
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path = pathlib.Path(entry)
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if not path.exists():
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print("%s doesn't exist, skipping" % entry)
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continue
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replace_symbols_in_path(path, regex, replacements)
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def get_all_replacements():
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replacements = {}
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file = (SDL_INCLUDE_DIR / "SDL_oldnames.h")
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mode = 0
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for line in file.read_text().splitlines():
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if line == "#ifdef SDL_ENABLE_OLD_NAMES":
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if mode == 0:
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mode = 1
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else:
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raise Exception("get_all_replacements(): expected mode 0")
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elif line == "#elif !defined(SDL_DISABLE_OLD_NAMES)":
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if mode == 1:
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mode = 2
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else:
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raise Exception("get_all_replacements(): expected mode 1")
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elif line == "#endif /* SDL_ENABLE_OLD_NAMES */":
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if mode == 2:
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mode = 3
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else:
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raise Exception("add_symbol_to_oldnames(): expected mode 2")
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elif mode == 1 and line.startswith("#define "):
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words = line.split()
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replacements[words[1]] = words[2]
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# In case things are accidentally renamed to the "X_renamed_Y" symbol
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#replacements[words[1] + "_renamed_" + words[2]] = words[2]
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return replacements
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def create_regex_from_replacements(replacements):
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return re.compile(r"\b(%s)\b" % "|".join(map(re.escape, replacements.keys())))
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def create_substring_regex_from_replacements(replacements):
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return re.compile(r"(%s)" % "|".join(map(re.escape, replacements.keys())))
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def replace_symbols_in_file(file, regex, replacements):
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try:
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with file.open("r", encoding="UTF-8", newline="") as rfp:
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original = rfp.read()
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contents = regex.sub(lambda mo: replacements[mo.string[mo.start():mo.end()]], original)
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if contents != original:
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with file.open("w", encoding="UTF-8", newline="") as wfp:
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wfp.write(contents)
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except UnicodeDecodeError:
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print("%s is not text, skipping" % file)
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except Exception as err:
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print("%s" % err)
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def replace_symbols_in_dir(path, regex, replacements):
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for entry in path.glob("*"):
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if entry.is_dir():
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replace_symbols_in_dir(entry, regex, replacements)
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else:
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print("Processing %s" % entry)
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replace_symbols_in_file(entry, regex, replacements)
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def replace_symbols_in_path(path, regex, replacements):
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if path.is_dir():
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replace_symbols_in_dir(path, regex, replacements)
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else:
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replace_symbols_in_file(path, regex, replacements)
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(fromfile_prefix_chars='@')
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parser.add_argument("--all-symbols", action="store_true")
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parser.add_argument("--substring", action="store_true")
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parser.add_argument("args", nargs="*")
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args = parser.parse_args()
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try:
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main()
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except Exception as e:
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print(e)
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exit(-1)
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exit(0)
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