From 03e33d0a0f59c43606e5260dc9266017e50021e5 Mon Sep 17 00:00:00 2001
From: ZhuangYumin <zhuangyumin@sjtu.edu.cn>
Date: Wed, 14 Aug 2024 16:26:23 +0000
Subject: [PATCH] fix stupid error message

---
 src/ast/semanticvisitor.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/ast/semanticvisitor.cpp b/src/ast/semanticvisitor.cpp
index b244644..eb255f3 100644
--- a/src/ast/semanticvisitor.cpp
+++ b/src/ast/semanticvisitor.cpp
@@ -323,6 +323,9 @@ void ASTSemanticCheckVisitor::ActuralVisit(PMExpr_ASTNode *node) {
   }
   const static ExprTypeInfo standard = "int";
   if (node->left->expr_type_info != standard || node->right->expr_type_info != standard) {
+    if (node->left->expr_type_info == node->right->expr_type_info) {
+      throw SemanticError("Invalid Type", 1);
+    }
     throw SemanticError("Type Mismatch", 1);
   }
   node->expr_type_info = standard;