"""Generate the list of opcode IDs. Reads the instruction definitions from bytecodes.c. Writes the IDs to opcode_ids.h by default. """ import argparse from analyzer import ( Analysis, analyze_files, ) from generators_common import ( DEFAULT_INPUT, ROOT, write_header, ) from cwriter import CWriter from typing import TextIO DEFAULT_OUTPUT = ROOT / "Include/opcode_ids.h" def generate_opcode_header( filenames: list[str], analysis: Analysis, outfile: TextIO ) -> None: write_header(__file__, filenames, outfile) out = CWriter(outfile, 0, False) with out.header_guard("Py_OPCODE_IDS_H"): out.emit("/* Instruction opcodes for compiled code */\n") def write_define(name: str, op: int) -> None: out.emit(f"#define {name:<38} {op:>3}\n") for op, name in sorted([(op, name) for (name, op) in analysis.opmap.items()]): write_define(name, op) out.emit("\n") write_define("HAVE_ARGUMENT", analysis.have_arg) write_define("MIN_SPECIALIZED_OPCODE", analysis.opmap["RESUME"]+1) write_define("MIN_INSTRUMENTED_OPCODE", analysis.min_instrumented) arg_parser = argparse.ArgumentParser( description="Generate the header file with all opcode IDs.", formatter_class=argparse.ArgumentDefaultsHelpFormatter, ) arg_parser.add_argument( "-o", "--output", type=str, help="Generated code", default=DEFAULT_OUTPUT ) arg_parser.add_argument( "input", nargs=argparse.REMAINDER, help="Instruction definition file(s)" ) if __name__ == "__main__": args = arg_parser.parse_args() if len(args.input) == 0: args.input.append(DEFAULT_INPUT) data = analyze_files(args.input) with open(args.output, "w") as outfile: generate_opcode_header(args.input, data, outfile)