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| 1 // Copyright 2016 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 | |
| 5 // Flags: --expose-debug-as debug | |
| 6 | |
| 7 // Test that the parameter initialization block scope set up for | |
| 8 // sloppy eval is visible to the debugger. | |
| 9 | |
| 10 var Debug = debug.Debug; | |
| 11 var exception = null; | |
| 12 var break_count = 0; | |
| 13 | |
| 14 function call_for_break() { | |
| 15 return 5; | |
| 16 } | |
| 17 | |
| 18 function test(x = eval("var y = 7; debugger; y") + call_for_break()) { | |
| 19 return x; | |
| 20 } | |
| 21 | |
| 22 function listener(event, exec_state, event_data, data) { | |
| 23 if (event != Debug.DebugEvent.Break) return; | |
| 24 try { | |
| 25 var frame = exec_state.frame(0); | |
| 26 var block_scope; | |
| 27 if (break_count++ == 0) { | |
| 28 // Inside eval. | |
| 29 assertEquals([ debug.ScopeType.Eval, | |
| 30 debug.ScopeType.Block, | |
| 31 debug.ScopeType.Closure, | |
| 32 debug.ScopeType.Script, | |
| 33 debug.ScopeType.Global ], | |
| 34 frame.allScopes().map(s => s.scopeType())); | |
| 35 exec_state.prepareStep(Debug.StepAction.StepOut); | |
| 36 block_scope = frame.scope(1); | |
| 37 } else { | |
| 38 // Outside of eval. | |
| 39 assertEquals([ debug.ScopeType.Block, | |
| 40 debug.ScopeType.Local, | |
| 41 debug.ScopeType.Script, | |
| 42 debug.ScopeType.Global ], | |
| 43 frame.allScopes().map(s => s.scopeType())); | |
| 44 block_scope = frame.scope(0); | |
| 45 } | |
| 46 assertTrue(block_scope.scopeObject().propertyNames().includes('y')); | |
| 47 assertEquals(7, block_scope.scopeObject().property('y').value().value()); | |
| 48 } catch (e) { | |
| 49 print(e); | |
| 50 exception = e; | |
| 51 } | |
| 52 } | |
| 53 | |
| 54 Debug.setListener(listener); | |
| 55 | |
| 56 assertEquals(12, test()); | |
| 57 | |
| 58 Debug.setListener(null); | |
| 59 | |
| 60 assertNull(exception); | |
| 61 assertEquals(2, break_count); | |
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