generation.py 文件源码

def gen_unary_expression(self,node,context):
        """
        :type node:TreeNode
        :type context:Context
        :rtype: str
        """
        operand=self.expression_handler[node[2][0]](node[2],context)
        if isinstance(node[1],TreeNode):
            operator=self.gen_unary_operator(node[1],context)
            if operator=="&":
                if isinstance(operand,Data):
                    ret=self.tools.lea(operand)
                    operand.type.is_const.append(False)
                    return ret
            elif operator=="*":
                if isinstance(operand,Data):
                    self.tools.mov(self.tools.getEax(),operand)
                    operand.name=self.tools.getNull()
                    operand.offset=True
                    operand.type.is_const.pop()
                    return operand
        else:
            if node[1]=="++":
                ret=self.tools.add(operand,1)
                self.tools.mov(operand,ret)
                return operand
            elif node[1]=="--":
                self.tools.sub(operand,1)
                return operand