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path: root/build/scripts/preprocess.py
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import sys
import os
 
 
def load_file(p): 
    with open(p, 'r') as f: 
        return f.read() 
 
 
def step(base, data, hh): 
    def flt(): 
        for l in data.split('\n'): 
            if l in hh: 
                pp = os.path.join(base, hh[l]) 
 
                yield '\n\n' + load_file(pp) + '\n\n' 
 
                os.unlink(pp) 
            else: 
                yield l 
 
    return '\n'.join(flt()) 
 
 
def subst_headers(path, headers): 
    hh = dict() 
 
    for h in headers: 
        hh['# include "' + h + '"'] = h 
 
    data = load_file(path) 
    prev = data 
 
    while True: 
        ret = step(os.path.dirname(path), prev, hh) 
 
        if ret == prev: 
            break 
 
        prev = ret 
 
    if data != prev: 
        with open(path, 'w') as f: 
            f.write(prev) 
 
 
if __name__ == '__main__':
    subst_headers(sys.argv[1], ['stack.hh', 'position.hh', 'location.hh'])