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1 // Copyright 2014 the V8 project authors. All rights reserved. | 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 | 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 | 5 // Flags: --expose-debug-as debug |
6 // Test the mirror object for functions. | 6 // Test the mirror object for functions. |
7 | 7 |
8 function *generator(f) { | 8 function *generator(f) { |
9 "use strict"; | 9 "use strict"; |
10 yield; | 10 yield; |
11 f(); | 11 f(); |
12 yield; | 12 yield; |
13 } | 13 } |
14 | 14 |
15 function MirrorRefCache(json_refs) { | 15 function MirrorRefCache(json_refs) { |
16 var tmp = eval('(' + json_refs + ')'); | 16 var tmp = eval('(' + json_refs + ')'); |
17 this.refs_ = []; | 17 this.refs_ = []; |
18 for (var i = 0; i < tmp.length; i++) { | 18 for (var i = 0; i < tmp.length; i++) { |
19 this.refs_[tmp[i].handle] = tmp[i]; | 19 this.refs_[tmp[i].handle] = tmp[i]; |
20 } | 20 } |
21 } | 21 } |
22 | 22 |
23 MirrorRefCache.prototype.lookup = function(handle) { | 23 MirrorRefCache.prototype.lookup = function(handle) { |
24 return this.refs_[handle]; | 24 return this.refs_[handle]; |
25 } | 25 } |
26 | 26 |
27 function TestGeneratorMirror(g, status, line, column, receiver) { | 27 function TestGeneratorMirror(g, status, line, column) { |
28 // Create mirror and JSON representation. | 28 // Create mirror and JSON representation. |
29 var mirror = debug.MakeMirror(g); | 29 var mirror = debug.MakeMirror(g); |
30 var serializer = debug.MakeMirrorSerializer(); | 30 var serializer = debug.MakeMirrorSerializer(); |
31 var json = JSON.stringify(serializer.serializeValue(mirror)); | 31 var json = JSON.stringify(serializer.serializeValue(mirror)); |
32 var refs = new MirrorRefCache( | 32 var refs = new MirrorRefCache( |
33 JSON.stringify(serializer.serializeReferencedObjects())); | 33 JSON.stringify(serializer.serializeReferencedObjects())); |
34 | 34 |
35 // Check the mirror hierachy. | 35 // Check the mirror hierachy. |
36 assertTrue(mirror instanceof debug.Mirror); | 36 assertTrue(mirror instanceof debug.Mirror); |
37 assertTrue(mirror instanceof debug.ValueMirror); | 37 assertTrue(mirror instanceof debug.ValueMirror); |
38 assertTrue(mirror instanceof debug.ObjectMirror); | 38 assertTrue(mirror instanceof debug.ObjectMirror); |
39 assertTrue(mirror instanceof debug.GeneratorMirror); | 39 assertTrue(mirror instanceof debug.GeneratorMirror); |
40 | 40 |
41 // Check the mirror properties. | 41 // Check the mirror properties. |
42 assertTrue(mirror.isGenerator()); | 42 assertTrue(mirror.isGenerator()); |
43 assertEquals('generator', mirror.type()); | 43 assertEquals('generator', mirror.type()); |
44 assertFalse(mirror.isPrimitive()); | 44 assertFalse(mirror.isPrimitive()); |
45 assertEquals('Generator', mirror.className()); | 45 assertEquals('Generator', mirror.className()); |
46 | 46 |
47 assertEquals(receiver, mirror.receiver().value()); | |
48 assertEquals(generator, mirror.func().value()); | 47 assertEquals(generator, mirror.func().value()); |
49 | 48 |
50 assertEquals(status, mirror.status()); | 49 assertEquals(status, mirror.status()); |
51 | 50 |
52 // Note that line numbers are 0-based, not 1-based. | 51 // Note that line numbers are 0-based, not 1-based. |
53 var loc = mirror.sourceLocation(); | 52 var loc = mirror.sourceLocation(); |
54 if (status === 'suspended') { | 53 if (status === 'suspended') { |
55 assertTrue(!!loc); | 54 assertTrue(!!loc); |
56 assertEquals(line, loc.line); | 55 assertEquals(line, loc.line); |
57 assertEquals(column, loc.column); | 56 assertEquals(column, loc.column); |
58 } else { | 57 } else { |
59 assertEquals(undefined, loc); | 58 assertEquals(undefined, loc); |
60 } | 59 } |
61 | 60 |
62 TestInternalProperties(mirror, status, receiver); | 61 TestInternalProperties(mirror, status); |
63 } | 62 } |
64 | 63 |
65 function TestInternalProperties(mirror, status, receiver) { | 64 function TestInternalProperties(mirror, status) { |
66 var properties = mirror.internalProperties(); | 65 var properties = mirror.internalProperties(); |
67 assertEquals(3, properties.length); | 66 assertEquals(3, properties.length); |
68 assertEquals("[[GeneratorStatus]]", properties[0].name()); | 67 assertEquals("[[GeneratorStatus]]", properties[0].name()); |
69 assertEquals(status, properties[0].value().value()); | 68 assertEquals(status, properties[0].value().value()); |
70 assertEquals("[[GeneratorFunction]]", properties[1].name()); | 69 assertEquals("[[GeneratorFunction]]", properties[1].name()); |
71 assertEquals(generator, properties[1].value().value()); | 70 assertEquals(generator, properties[1].value().value()); |
72 assertEquals("[[GeneratorReceiver]]", properties[2].name()); | |
73 assertEquals(receiver, properties[2].value().value()); | |
74 } | 71 } |
75 | 72 |
76 var iter = generator(function() { | 73 var iter = generator(function() { |
77 var mirror = debug.MakeMirror(iter); | 74 var mirror = debug.MakeMirror(iter); |
78 assertEquals('running', mirror.status()); | 75 assertEquals('running', mirror.status()); |
79 assertEquals(undefined, mirror.sourceLocation()); | 76 assertEquals(undefined, mirror.sourceLocation()); |
80 TestInternalProperties(mirror, 'running'); | 77 TestInternalProperties(mirror, 'running'); |
81 }); | 78 }); |
82 | 79 |
83 TestGeneratorMirror(iter, 'suspended', 7, 19); | 80 TestGeneratorMirror(iter, 'suspended', 7, 19); |
84 | 81 |
85 iter.next(); | 82 iter.next(); |
86 TestGeneratorMirror(iter, 'suspended', 9, 2); | 83 TestGeneratorMirror(iter, 'suspended', 9, 2); |
87 | 84 |
88 iter.next(); | 85 iter.next(); |
89 TestGeneratorMirror(iter, 'suspended', 11, 2); | 86 TestGeneratorMirror(iter, 'suspended', 11, 2); |
90 | 87 |
91 iter.next(); | 88 iter.next(); |
92 TestGeneratorMirror(iter, 'closed'); | 89 TestGeneratorMirror(iter, 'closed'); |
93 | 90 |
94 // Test generator with receiver. | 91 // Test generator with receiver. |
95 var obj = {foo: 42}; | 92 var obj = {foo: 42}; |
96 var iter2 = generator.call(obj, function() { | 93 var iter2 = generator.call(obj, function() { |
97 var mirror = debug.MakeMirror(iter2); | 94 var mirror = debug.MakeMirror(iter2); |
98 assertEquals('running', mirror.status()); | 95 assertEquals('running', mirror.status()); |
99 assertEquals(undefined, mirror.sourceLocation()); | 96 assertEquals(undefined, mirror.sourceLocation()); |
100 TestInternalProperties(mirror, 'running', obj); | 97 TestInternalProperties(mirror, 'running'); |
101 }); | 98 }); |
102 | 99 |
103 TestGeneratorMirror(iter2, 'suspended', 7, 19, obj); | 100 TestGeneratorMirror(iter2, 'suspended', 7, 19); |
104 | 101 |
105 iter2.next(); | 102 iter2.next(); |
106 TestGeneratorMirror(iter2, 'suspended', 9, 2, obj); | 103 TestGeneratorMirror(iter2, 'suspended', 9, 2); |
107 | 104 |
108 iter2.next(); | 105 iter2.next(); |
109 TestGeneratorMirror(iter2, 'suspended', 11, 2, obj); | 106 TestGeneratorMirror(iter2, 'suspended', 11, 2); |
110 | 107 |
111 iter2.next(); | 108 iter2.next(); |
112 TestGeneratorMirror(iter2, 'closed', 0, 0, obj); | 109 TestGeneratorMirror(iter2, 'closed', 0, 0); |
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