Data commit

Task/Exceptions-Catch-an-exception-thrown-in-a-nested-call/JavaScript/exceptions-catch-an-exception-thrown-in-a-nested-call.js

@@ -0,0 +1,35 @@
+function U() {}
+U.prototype.toString = function(){return this.className;}
+
+function U0() {
+    this.className = arguments.callee.name;
+}
+U0.prototype = new U();
+
+function U1() {
+    this.className = arguments.callee.name;
+}
+U1.prototype = new U();
+
+function foo() {
+    for (var i = 1; i <= 2; i++) {
+        try {
+            bar();
+        }
+        catch(e if e instanceof U0) {
+            print("caught exception " + e);
+        }
+    }
+}
+
+function bar() {
+    baz();
+}
+
+function baz() {
+    // during the first call, redefine the function for subsequent calls
+    baz = function() {throw(new U1());}
+    throw(new U0());
+}
+
+foo();