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1 // Copyright 2015 the V8 project authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Flags: --expose-debug-as debug --no-analyze-environment-liveness | 5 // Flags: --expose-debug-as debug --no-analyze-environment-liveness |
6 | 6 |
7 // Test that debug-evaluate only resolves variables that are used by | 7 // Test that debug-evaluate only resolves variables that are used by |
8 // the function inside which we debug-evaluate. This is to avoid | 8 // the function inside which we debug-evaluate. This is to avoid |
9 // incorrect variable resolution when a context-allocated variable is | 9 // incorrect variable resolution when a context-allocated variable is |
10 // shadowed by a stack-allocated variable. | 10 // shadowed by a stack-allocated variable. |
(...skipping 11 matching lines...) Expand all Loading... |
22 value = frame.evaluate("x").value(); | 22 value = frame.evaluate("x").value(); |
23 } catch (e) { | 23 } catch (e) { |
24 value = e.name; | 24 value = e.name; |
25 } | 25 } |
26 print(frame.sourceLineText()); | 26 print(frame.sourceLineText()); |
27 var expected = frame.sourceLineText().match(/\/\/ (.*$)/)[1]; | 27 var expected = frame.sourceLineText().match(/\/\/ (.*$)/)[1]; |
28 assertEquals(String(expected), String(value)); | 28 assertEquals(String(expected), String(value)); |
29 } | 29 } |
30 assertEquals("[object global]", | 30 assertEquals("[object global]", |
31 String(exec_state.frame(0).evaluate("this").value())); | 31 String(exec_state.frame(0).evaluate("this").value())); |
32 exec_state.frame(0).evaluate("y = 'Y'"); | 32 assertEquals("y", exec_state.frame(0).evaluate("y").value()); |
| 33 assertEquals("a", exec_state.frame(0).evaluate("a").value()); |
33 exec_state.frame(0).evaluate("a = 'A'"); | 34 exec_state.frame(0).evaluate("a = 'A'"); |
34 assertThrows(() => exec_state.frame(0).evaluate("z"), ReferenceError); | 35 assertThrows(() => exec_state.frame(0).evaluate("z"), ReferenceError); |
35 } catch (e) { | 36 } catch (e) { |
36 exception = e; | 37 exception = e; |
37 print(e + e.stack); | 38 print(e + e.stack); |
38 } | 39 } |
39 } | 40 } |
40 | 41 |
41 Debug.setListener(listener); | 42 Debug.setListener(listener); |
42 | 43 |
43 var a = "a"; | 44 var a = "a"; |
44 assertEquals("Y", (function() { | 45 (function() { |
45 var x = 1; // context allocate x | 46 var x = 1; // context allocate x |
46 (() => x); | 47 (() => x); |
47 var y = "y"; | 48 var y = "y"; |
48 var z = "z"; | 49 var z = "z"; |
49 (function() { | 50 (function() { |
50 var x = 2; // stack allocate shadowing x | 51 var x = 2; // stack allocate shadowing x |
51 (function() { | 52 (function() { |
52 y; // access y | 53 y; // access y |
53 debugger; // ReferenceError | 54 debugger; // ReferenceError |
54 })(); // 2 | 55 })(); // 2 |
55 })(); // 1 | 56 })(); // 1 |
56 return y; | 57 return y; |
57 })()); | 58 })(); |
58 | 59 |
59 assertEquals("A", a); | 60 assertEquals("A", a); |
60 a = "a"; | 61 a = "a"; |
61 | 62 |
62 assertEquals("Y", (function() { | 63 (function() { |
63 var x = 1; // context allocate x | 64 var x = 1; // context allocate x |
64 (() => x); | 65 (() => x); |
65 var y = "y"; | 66 var y = "y"; |
66 var z = "z"; | 67 var z = "z"; |
67 (function() { | 68 (function() { |
68 var x = 2; // stack allocate shadowing x | 69 var x = 2; // stack allocate shadowing x |
69 (() => { | 70 (() => { |
70 y; | 71 y; |
71 a; | 72 a; |
72 this; // context allocate receiver | 73 this; // context allocate receiver |
73 debugger; // ReferenceError | 74 debugger; // ReferenceError |
74 })(); // 2 | 75 })(); // 2 |
75 })(); // 1 | 76 })(); // 1 |
76 return y; | 77 return y; |
77 })()); | 78 })(); |
78 | 79 |
79 assertEquals("A", a); | 80 assertEquals("A", a); |
80 | 81 |
81 Debug.setListener(null); | 82 Debug.setListener(null); |
82 assertNull(exception); | 83 assertNull(exception); |
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