add test for nested functions

2026-06-10 12:59:51 +00:00 · 2020-08-04 23:27:46 +02:00
parent 222fc960be
commit 23e768403e
3 changed files with 18 additions and 4 deletions
@@ -288,10 +288,13 @@ class Parser {
            func->callback = function_data.callback;
          }

-          function_stack.pop();
-          
+          if (operator_stack.empty()) {
+            throw_parser_error("internal error at function " + func->name);
+          }
+
          current_expression_list->rpn_output.emplace_back(operator_stack.top());
          operator_stack.pop();
+          function_stack.pop();
        }
      }
      default: