From 91a1b9d766fda7309e877584c8b3323efbcdc9d8 Mon Sep 17 00:00:00 2001
From: xenocidewiki <xenolewdwiki@gmail.com>
Date: Tue, 23 Mar 2021 23:39:06 +0000
Subject: [PATCH] Add check to not evaluate expressions that don't make sense

---
 src/dbg/expressionparser.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/dbg/expressionparser.cpp b/src/dbg/expressionparser.cpp
index d1c35fe4..7da3eb25 100644
--- a/src/dbg/expressionparser.cpp
+++ b/src/dbg/expressionparser.cpp
@@ -380,6 +380,7 @@ ExpressionParser::Token::Type ExpressionParser::resolveQuotedData() const
     {
         return b;
     });
+
     return allQuoted ? Token::Type::QuotedData : Token::Type::Data;
 }
 
@@ -774,6 +775,8 @@ static bool evalOperation(ExpressionParser::Token::Type type, const ExpressionPa
     default:
     {
         duint op1v, op2v;
+        if(op1.isString || op2.isString)
+            return false;
         if(!op1.DoEvaluate(op1v, silent, baseonly) || !op2.DoEvaluate(op2v, silent, baseonly))
             return false;
         T resultv;