Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 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. |
| 4 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 5 | // Flags: --expose-debug-as debug --ignition-generators |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 6 | |
| 7 | Debug = debug.Debug |
| 8 | var exception = null; |
| 9 | var yields = 0; |
| 10 | |
| 11 | function listener(event, exec_state, event_data, data) { |
| 12 | if (event != Debug.DebugEvent.Break) return; |
| 13 | try { |
| 14 | var source = exec_state.frame(0).sourceLineText(); |
| 15 | print(source); |
| 16 | if (/stop stepping/.test(source)) return; |
| 17 | if (/yield/.test(source)) yields++; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 18 | exec_state.prepareStep(Debug.StepAction.StepIn); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 19 | } catch (e) { |
| 20 | print(e, e.stack); |
| 21 | exception = e; |
| 22 | } |
| 23 | }; |
| 24 | |
| 25 | Debug.setListener(listener); |
| 26 | |
| 27 | function* g() { |
| 28 | for (var i = 0; i < 3; ++i) { |
| 29 | yield i; |
| 30 | } |
| 31 | } |
| 32 | |
| 33 | var i = g(); |
| 34 | debugger; |
| 35 | for (var num of g()) {} |
| 36 | i.next(); |
| 37 | |
| 38 | print(); // stop stepping |
| 39 | |
| 40 | // Not stepped into. |
| 41 | i.next(); |
| 42 | i.next(); |
| 43 | |
| 44 | assertNull(exception); |
| 45 | assertEquals(4, yields); |