Fix debug build on OSX (#33)

Closes #32. Fixes iteration of tokens on OSX.
openqasm · Mar 26, 2024 · a9cf9fa · a9cf9fa
1 parent 2a7cb61
commit a9cf9fa
Showing 1 changed file with 2 additions and 4 deletions.
diff --git a/include/qasm/AST/ASTBase.h b/include/qasm/AST/ASTBase.h
@@ -201,12 +201,10 @@ class ASTTokenFactory {
   }
 
   static const ASTToken *GetPreviousToken() {
-    std::map<uint32_t, ASTToken *>::const_reverse_iterator MRI = TFM.rbegin();
-    if (MRI == TFM.rend())
+    if (TFM.empty())
       return nullptr;
 
-    --MRI;
-    return MRI == TFM.rend() ? nullptr : (*MRI).second;
+    return std::prev(TFM.end())->second;
   }
 
   static uint32_t GetCurrentIndex() { return TIX; }