mirror of
https://github.com/python/cpython.git
synced 2024-11-25 09:39:56 +01:00
63 lines
1.7 KiB
Python
63 lines
1.7 KiB
Python
"""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_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)
|