cpp.py 文件源码

def group_lines(self,input):
        lex = self.lexer.clone()
        lines = [x.rstrip() for x in input.splitlines()]
        for i in xrange(len(lines)):
            j = i+1
            while lines[i].endswith('\\') and (j < len(lines)):
                lines[i] = lines[i][:-1]+lines[j]
                lines[j] = ""
                j += 1

        input = "\n".join(lines)
        lex.input(input)
        lex.lineno = 1

        current_line = []
        while True:
            tok = lex.token()
            if not tok:
                break
            current_line.append(tok)
            if tok.type in self.t_WS and '\n' in tok.value:
                yield current_line
                current_line = []

        if current_line:
            yield current_line

    # ----------------------------------------------------------------------
    # tokenstrip()
    # 
    # Remove leading/trailing whitespace tokens from a token list
    # ----------------------------------------------------------------------