Question

ObjCPropertyRefExpr 0x7fc2f9a80ac0 '<pseudo-object type>' lvalue objcproperty Kind=PropertyRef Property="text" Messaging=Getter
`-OpaqueValueExpr 0x7fc2f9a80aa0 'UITextField *'
  `-PseudoObjectExpr 0x7fc2f9a61d30 'UITextField *'
    |-ObjCPropertyRefExpr 0x7fc2f9a61cb8 '<pseudo-object type>' lvalue objcproperty Kind=PropertyRef Property="txtFirstname" Messaging=Getter
    | `-OpaqueValueExpr 0x7fc2f9a61c98 'EditInfoViewController *'
    |   `-ImplicitCastExpr 0x7fc2f9a61c50 'EditInfoViewController *' <LValueToRValue>
    |     `-DeclRefExpr 0x7fc2f9a61c28 'EditInfoViewController *const __strong' lvalue ImplicitParam 0x7fc2f9a61828 'self' 'EditInfoViewController *const __strong'
    |-OpaqueValueExpr 0x7fc2f9a61c98 'EditInfoViewController *'
    | `-ImplicitCastExpr 0x7fc2f9a61c50 'EditInfoViewController *' <LValueToRValue>
    |   `-DeclRefExpr 0x7fc2f9a61c28 'EditInfoViewController *const __strong' lvalue ImplicitParam 0x7fc2f9a61828 'self' 'EditInfoViewController *const __strong'
    `-ImplicitCastExpr 0x7fc2f9a61d18 'UITextField *' <ARCReclaimReturnedObject>
      `-ObjCMessageExpr 0x7fc2f9a61ce8 'UITextField *' selector=txtFirstname
        `-OpaqueValueExpr 0x7fc2f9a61c98 'EditInfoViewController *'
          `-ImplicitCastExpr 0x7fc2f9a61c50 'EditInfoViewController *' <LValueToRValue>
            `-DeclRefExpr 0x7fc2f9a61c28 'EditInfoViewController *const __strong' lvalue ImplicitParam 0x7fc2f9a61828 'self' 'EditInfoViewController *const __strong'

鉴于上面的AST，是否有可能获得元素＆＃39; UITextField＆＃39;从ObjCPropertyRefExpr出来？

现在我疯狂地尝试了所有的getter方法，但到目前为止还没有好运。任何建议都会受到赞赏

Answer 1

ObjectiveCPropertyRefExpr->getReceiverType(*ASTContext).getAsString()可以正常使用

虽然这会返回'UITextField *'，但需要使用简单的分隔/ substr来检索'UITextField'

从Clang AST的ObjCPropertyRefExpr获取信息

1 个答案: