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1 // Copyright 2012 the V8 project authors. All rights reserved. | |
2 // Redistribution and use in source and binary forms, with or without | |
3 // modification, are permitted provided that the following conditions are | |
4 // met: | |
5 // | |
6 // * Redistributions of source code must retain the above copyright | |
7 // notice, this list of conditions and the following disclaimer. | |
8 // * Redistributions in binary form must reproduce the above | |
9 // copyright notice, this list of conditions and the following | |
10 // disclaimer in the documentation and/or other materials provided | |
11 // with the distribution. | |
12 // * Neither the name of Google Inc. nor the names of its | |
13 // contributors may be used to endorse or promote products derived | |
14 // from this software without specific prior written permission. | |
15 // | |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
27 | |
28 // Flags: --expose-debug-as debug | |
29 | |
30 "use strict"; | |
31 let top_level_let = 255; | |
32 | |
33 // Get the Debug object exposed from the debug context global object. | |
34 var Debug = debug.Debug; | |
35 | |
36 function CheckScope(scope_mirror, scope_expectations, expected_scope_type) { | |
37 assertEquals(expected_scope_type, scope_mirror.scopeType()); | |
38 | |
39 var scope_object = scope_mirror.scopeObject().value(); | |
40 | |
41 for (let name in scope_expectations) { | |
42 let actual = scope_object[name]; | |
43 let expected = scope_expectations[name]; | |
44 assertEquals(expected, actual); | |
45 } | |
46 } | |
47 | |
48 // A copy of the scope types from debug/mirrors.js. | |
49 var ScopeType = { Global: 0, | |
50 Local: 1, | |
51 With: 2, | |
52 Closure: 3, | |
53 Catch: 4, | |
54 Block: 5, | |
55 Script: 6}; | |
56 | |
57 var f1 = (function F1(x) { | |
58 function F2(y) { | |
59 var z = x + y; | |
60 { | |
61 var w = 5; | |
62 var v = "Capybara"; | |
63 var F3 = function(a, b) { | |
64 function F4(p) { | |
65 return p + a + b + z + w + v.length; | |
66 } | |
67 return F4; | |
68 } | |
69 return F3(4, 5); | |
70 } | |
71 } | |
72 return F2(17); | |
73 })(5); | |
74 | |
75 var mirror = Debug.MakeMirror(f1); | |
76 | |
77 assertEquals(5, mirror.scopeCount()); | |
78 | |
79 CheckScope(mirror.scope(0), { a: 4, b: 5 }, ScopeType.Closure); | |
80 CheckScope(mirror.scope(1), { z: 22, w: 5, v: "Capybara" }, ScopeType.Closure); | |
81 CheckScope(mirror.scope(2), { x: 5 }, ScopeType.Closure); | |
82 CheckScope(mirror.scope(3), { top_level_let: 255 }, ScopeType.Script); | |
83 CheckScope(mirror.scope(4), {}, ScopeType.Global); | |
84 | |
85 var f2 = (function() { | |
86 var v1 = 3; | |
87 var v2 = 4; | |
88 let l0 = 0; | |
89 { | |
90 var v3 = 5; | |
91 let l1 = 6; | |
92 let l2 = 7; | |
93 { | |
94 var v4 = 8; | |
95 let l3 = 9; | |
96 { | |
97 var v5 = "Cat"; | |
98 let l4 = 11; | |
99 var v6 = l4; | |
100 return function() { | |
101 return l0 + v1 + v3 + l2 + l3 + v6; | |
102 }; | |
103 } | |
104 } | |
105 } | |
106 })(); | |
107 | |
108 var mirror = Debug.MakeMirror(f2); | |
109 | |
110 assertEquals(5, mirror.scopeCount()); | |
111 | |
112 CheckScope(mirror.scope(0), { l3: 9 }, ScopeType.Block); | |
113 CheckScope(mirror.scope(1), { l2: 7 }, ScopeType.Block); | |
114 CheckScope(mirror.scope(2), { v1:3, l0: 0, v3: 5, v6: 11 }, ScopeType.Closure); | |
115 CheckScope(mirror.scope(3), { top_level_let: 255 }, ScopeType.Script); | |
116 CheckScope(mirror.scope(4), {}, ScopeType.Global); | |
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