Safety check if top node is CallExpression

Neil Fraser · Neil Fraser · commit 90e070e100e5 · 2021-08-30T18:09:26.000-07:00
diff --git a/interpreter.js b/interpreter.js
@@ -2112,7 +2112,7 @@ Interpreter.prototype.populateError = function(pseudoError, opt_message) {
     var node = state.node;
     if (node['type'] === 'CallExpression') {
       var func = state.func_;
-      if (func) {
+      if (func && tracebackData.length) {
         tracebackData[tracebackData.length - 1].name =
             this.getProperty(func, 'name');
       }

Original file line number	Diff line number	Diff line change
`@@ -2112,7 +2112,7 @@ Interpreter.prototype.populateError = function(pseudoError, opt_message) {`
`2112`	`2112`	`var node = state.node;`
`2113`	`2113`	`if (node['type'] === 'CallExpression') {`
`2114`	`2114`	`var func = state.func_;`
`2115`		`- if (func) {`
	`2115`	`+ if (func && tracebackData.length) {`
`2116`	`2116`	`tracebackData[tracebackData.length - 1].name =`
`2117`	`2117`	`this.getProperty(func, 'name');`
`2118`	`2118`	`}`