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path: root/tools/interface_generator/interface_generator.py
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#!/usr/bin/env python3

from argparse import ArgumentParser
from mako.template import Template
from mako.lookup import TemplateLookup

PROG = {
    "name": "interface_generator",
    "version": "0.1",
}


def generate_file(template, kwargs):
    """generate file using a tempalte"""
    lookup = TemplateLookup(directories=[".", "templates"])
    template = lookup.get_template(template)
    result = template.render(**kwargs, PROG=PROG)

    # print(kwargs)
    print(result)


def main():
    parser = ArgumentParser(
        prog="interface_generator",
        description="Generate a C header file from an interface definition",
    )
    parser.add_argument("-l", "--license", required=True)

    parser_args = parser.parse_args()
    print(parser_args)

    args = {
        "name": "stdio",
        "license": parser_args.license,
        "system_includes": ["stdarg.h"],
        "types": [
            {
                "name": "FILE",
                "members": [
                    "int fd",
                    "int (*putc)(const struct FILE*, const char)",
                    "int (*puts)(const struct FILE*, const char*)",
                ],
            },
        ],
        "functions": [
            {
                "name": "printf",
                "return": "int",
                "arguments": ["const char*__restrict__ format", "..."],
            },
        ],
    }

    generate_file("c_header.mako", args)


if __name__ == "__main__":
    main()