Check errors in eval

2024-04-07 17:58:24 +02:00
parent a15ca3add7
commit 58748c2a37
1 changed files with 5 additions and 1 deletions
@@ -125,5 +125,9 @@ double eval(Expr *e)
 {
    EvalVisitor visitor;
    e->visit(visitor);
-    return visitor.stack[visitor.depth-1];
+    
+    if (visitor.fail)
+        return 0;
+    else
+        return visitor.stack[visitor.depth-1];
 }