expression_parser.py 文件源码

def XXXX_create_cast_expression(self, tok):
        if tok.typeof_arg:
            type_expression = self.type_manager.get_type_of(
                tok.typeof_arg.first)
        else:
            type_expression = tok.simple_type

        # Check that casting makes sense.
        target = self.type_manager.get_type_of(type_expression)
        if not target:
            raise pyparsing.ParseException(
                "%s is not a type" % target)

        return c_ast.CFunctionCall(
            function_name='()',
            arguments=[
                c_ast.CLiteral(target),
                tok.expression,
            ],
        )