mirror of
https://github.com/LostArtefacts/TR2X.git
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126 lines
3.5 KiB
Plaintext
126 lines
3.5 KiB
Plaintext
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#!/usr/bin/env python3
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"""Converts progress.txt to an IDC script usable with IDA Free, that propagates
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the IDA database with typing information, function declarations and variable
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declarations.
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"""
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import argparse
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import json
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import re
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import tempfile
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from pathlib import Path
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import regex
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from tr2x.ida_progress import (
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FUNC_PTR_RE,
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FUNC_RE,
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VAR_RE,
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Symbol,
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parse_progress_file,
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)
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from tr2x.paths import TR2X_PROGRESS_FILE
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def generate_types(types: list[str], file) -> None:
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for definition in types:
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# strip comments
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definition = " ".join(
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re.sub(r"//.*", "", line.strip())
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for line in definition.splitlines()
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)
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# merge consecutive whitespace
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definition = re.sub(r"\s\s+", " ", definition)
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# convert: typedef struct { … } FOO;
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# to: typedef struct FOO { … } FOO;
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# for readability purposes.
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if match := re.search(
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r"(?P<prefix>typedef\s+(?:struct|enum)(?:\s+__\S+)?\s*)(?P<body>{.*})(?P<suffix>\s+(?P<name>\S+);)",
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definition,
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flags=re.M | re.DOTALL,
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):
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definition = (
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match.group("prefix")
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+ match.group("name")
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+ " "
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+ match.group("body")
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+ match.group("suffix")
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)
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print(f"parse_decls({json.dumps(definition)}, 0);", file=file)
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def import_symbol(symbol: Symbol, file) -> None:
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known = not re.match(r"(\s+|^)(dword|sub)_", symbol.signature)
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if known:
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# extract the symbol name
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signature = symbol.signature
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# strip comments
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signature = re.sub(r"\s*//.*", "", signature)
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# strip assignments
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signature = re.sub(r"\s*=[^;]*", "", signature)
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# map the name
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if match := FUNC_RE.match(signature):
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name = match.group("func_name")
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elif match := FUNC_PTR_RE.match(signature):
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name = match.group("func_name")
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elif match := VAR_RE.match(signature):
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name = match.group("var_name")
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else:
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name = None
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print(
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f"apply_type(0x{symbol.offset:x}, parse_decl({json.dumps(symbol.signature)}, 0));",
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file=file,
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)
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if name:
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print(
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f"set_name(0x{symbol.offset:x}, {json.dumps(name)});",
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file=file,
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)
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if "+" in symbol.flags:
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color = 0xA0FFA0
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elif "x" in symbol.flags:
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color = 0xA0A0A0
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elif known:
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color = 0xA0FFFF
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else:
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color = 0xEEEEEE
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print(
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f"set_color(0x{symbol.offset:x}, CIC_FUNC, 0x{color:x});",
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file=file,
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)
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def generate_symbols(symbols: list[Symbol], file) -> None:
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error_count = 0
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for symbol in symbols:
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import_symbol(symbol, file=file)
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def parse_args() -> argparse.Namespace:
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parser = argparse.ArgumentParser()
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parser.add_argument("-o", "--output", type=Path, default=Path("Tomb2.idc"))
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return parser.parse_args()
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def main():
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args = parse_args()
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progress_file = parse_progress_file(TR2X_PROGRESS_FILE)
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output = Path(args.output)
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with output.open("w") as file:
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print("#define CIC_FUNC 2", file=file)
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print("static main() {", file=file)
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generate_types(progress_file.types, file=file)
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generate_symbols(progress_file.functions, file=file)
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generate_symbols(progress_file.variables, file=file)
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print("}", file=file)
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if __name__ == "__main__":
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main()
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