121 lines
3.4 KiB
Python
121 lines
3.4 KiB
Python
#!/usr/bin/env python3
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###
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# Generates a ctx.c file, usable for "Context" on https://decomp.me.
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#
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# Usage:
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# python3 tools/decompctx.py src/file.cpp
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#
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# If changes are made, please submit a PR to
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# https://github.com/encounter/dtk-template
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###
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import argparse
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import os
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import re
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from typing import List
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script_dir = os.path.dirname(os.path.realpath(__file__))
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root_dir = os.path.abspath(os.path.join(script_dir, ".."))
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src_dir = os.path.join(root_dir, "src")
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include_dirs = [
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os.path.join(root_dir, "include"),
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# Add additional include directories here
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]
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include_pattern = re.compile(r'^#\s*include\s*[<"](.+?)[>"]')
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guard_pattern = re.compile(r"^#\s*ifndef\s+(.*)$")
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defines = set()
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def import_h_file(in_file: str, r_path: str, deps: List[str]) -> str:
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rel_path = os.path.join(root_dir, r_path, in_file)
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if os.path.exists(rel_path):
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return import_c_file(rel_path, deps)
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for include_dir in include_dirs:
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inc_path = os.path.join(include_dir, in_file)
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if os.path.exists(inc_path):
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return import_c_file(inc_path, deps)
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else:
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print("Failed to locate", in_file)
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return ""
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def import_c_file(in_file: str, deps: List[str]) -> str:
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in_file = os.path.relpath(in_file, root_dir)
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deps.append(in_file)
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out_text = ""
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try:
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with open(in_file, encoding="utf-8") as file:
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out_text += process_file(in_file, list(file), deps)
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except Exception:
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with open(in_file) as file:
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out_text += process_file(in_file, list(file), deps)
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return out_text
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def process_file(in_file: str, lines: List[str], deps: List[str]) -> str:
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out_text = ""
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for idx, line in enumerate(lines):
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guard_match = guard_pattern.match(line.strip())
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if idx == 0:
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if guard_match:
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if guard_match[1] in defines:
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break
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defines.add(guard_match[1])
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print("Processing file", in_file)
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include_match = include_pattern.match(line.strip())
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if include_match and not include_match[1].endswith(".s"):
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out_text += f'/* "{in_file}" line {idx} "{include_match[1]}" */\n'
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out_text += import_h_file(include_match[1], os.path.dirname(in_file), deps)
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out_text += f'/* end "{include_match[1]}" */\n'
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else:
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out_text += line
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return out_text
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def sanitize_path(path: str) -> str:
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return path.replace("\\", "/").replace(" ", "\\ ")
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def main():
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parser = argparse.ArgumentParser(
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description="""Create a context file which can be used for decomp.me"""
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)
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parser.add_argument(
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"c_file",
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help="""File from which to create context""",
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)
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parser.add_argument(
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"-o",
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"--output",
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help="""Output file""",
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default="ctx.c",
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)
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parser.add_argument(
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"-d",
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"--depfile",
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help="""Dependency file""",
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)
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args = parser.parse_args()
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deps = []
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output = import_c_file(args.c_file, deps)
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with open(os.path.join(root_dir, args.output), "w", encoding="utf-8") as f:
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f.write(output)
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if args.depfile:
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with open(os.path.join(root_dir, args.depfile), "w", encoding="utf-8") as f:
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f.write(sanitize_path(args.output) + ":")
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for dep in deps:
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path = sanitize_path(dep)
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f.write(f" \\\n\t{path}")
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if __name__ == "__main__":
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main()
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