#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import argparse
import os

from gen_elemwise_utils import ARITIES, MODES


def main():
    parser = argparse.ArgumentParser(
        description="generate elemwise each mode",
        formatter_class=argparse.ArgumentDefaultsHelpFormatter,
    )

    parser.add_argument("output", help="output directory")
    args = parser.parse_args()

    with open(args.output, "w") as fout:
        w = lambda s: print(s, file=fout)
        w("// generated by gen_elemwise_each_mode.py")
        keys = list(MODES.keys())
        keys.sort()
        for (anum, ctype) in keys:
            w(
                "#define MEGDNN_FOREACH_ELEMWISE_MODE_{}_{}(cb) \\".format(
                    ARITIES[anum], ctype
                )
            )
            for mode in MODES[(anum, ctype)]:
                w("    MEGDNN_ELEMWISE_MODE_ENABLE({}, cb) \\".format(mode))
            w("")

    print("generated each_mode.inl")
    os.utime(args.output)


if __name__ == "__main__":
    main()