#!/usr/bin/env python

import subprocess
import json
from glob import glob
from os import path

import ninja_syntax

if __name__ == "__main__":
    with open("grammars.json", "r") as fp:
        grammars = json.loads(fp.read())

    with open("compile.ninja", "w") as fp:
        w = ninja_syntax.Writer(fp)
        w.comment("automatically generated, do not edit")
        w.rule("compile", "cc -shared -fno-exceptions -g -fPIC $in -o $out")
        for grammar in grammars:
            target_dir = path.join("target", grammar["name"])
            target_lib = path.join("target", grammar["name"], grammar["name"] + ".so")
            sources = glob(target_dir + "/*.c")
            w.build(target_lib, "compile", inputs=sources)

    subprocess.call(["ninja", "-f", "compile.ninja"])