1 // Copyright 2014 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 // Flags: --expose-debug-as debug
12 function listener(event, exec_state, event_data, data) {
13 if (event != Debug.DebugEvent.Break) return;
15 if (debug_step == 0) {
16 assertEquals(1, exec_state.frame(0).evaluate('a').value());
17 assertEquals(3, exec_state.frame(0).evaluate('b').value());
18 exec_state.frame(0).evaluate("a = 4").value();
21 assertEquals(4, exec_state.frame(0).evaluate('a').value());
22 assertEquals(3, exec_state.frame(0).evaluate('b').value());
23 exec_state.frame(0).evaluate("b = 5").value();
30 Debug.setListener(listener);
32 function* generator(a, b) {
33 var b = 3; // Shadows a parameter.
41 var foo = generator(1, 2);
43 assertEquals(4, foo.next().value);
44 assertEquals(3, foo.next().value);
45 assertEquals(5, foo.next().value);
48 Debug.setListener(null);