msvc.py 文件源码

def exec_response_command(self, cmd, **kw):
    # not public yet
    try:
        tmp = None
        if sys.platform.startswith('win') and isinstance(cmd, list) and len(' '.join(cmd)) >= 8192:
            program = cmd[0] #unquoted program name, otherwise exec_command will fail
            cmd = [self.quote_response_command(x) for x in cmd]
            (fd, tmp) = tempfile.mkstemp()
            os.write(fd, '\r\n'.join(i.replace('\\', '\\\\') for i in cmd[1:]).encode())
            os.close(fd)
            cmd = [program, '@' + tmp]
        # no return here, that's on purpose
        ret = self.generator.bld.exec_command(cmd, **kw)
    finally:
        if tmp:
            try:
                os.remove(tmp)
            except OSError:
                pass # anti-virus and indexers can keep the files open -_-
    return ret

########## stupid evil command modification: concatenate the tokens /Fx, /doc, and /x: with the next token