OLD | NEW |
(Empty) | |
| 1 // Copyright 2015 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 debug-evaluate only resolves variables that are used by |
| 8 // the function inside which we debug-evaluate. This is to avoid |
| 9 // incorrect variable resolution when a context-allocated variable is |
| 10 // shadowed by a stack-allocated variable. |
| 11 |
| 12 "use strict"; |
| 13 |
| 14 var Debug = debug.Debug |
| 15 |
| 16 var exception = null; |
| 17 function listener(event, exec_state, event_data, data) { |
| 18 if (event != Debug.DebugEvent.Break) return; |
| 19 try { |
| 20 exec_state.frame(0).evaluate("var x = 2"); |
| 21 exec_state.frame(0).evaluate("'use strict'; let y = 3"); |
| 22 exec_state.frame(0).evaluate("var z = 4"); |
| 23 exec_state.frame(0).evaluate("function bar() { return 5; }"); |
| 24 } catch (e) { |
| 25 exception = e; |
| 26 print(e + e.stack); |
| 27 } |
| 28 } |
| 29 |
| 30 Debug.setListener(listener); |
| 31 |
| 32 var z = 1; |
| 33 |
| 34 (function() { |
| 35 debugger; |
| 36 })(); |
| 37 |
| 38 assertEquals(2, x); // declaration |
| 39 assertThrows(() => y, ReferenceError); // let-declaration does not stick |
| 40 assertEquals(4, z); // re-declaration |
| 41 assertEquals(5, bar()); // function declaration |
| 42 |
| 43 Debug.setListener(null); |
| 44 assertNull(exception); |
OLD | NEW |