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1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 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 var $jsonSerializeAdapter; | 5 var $jsonSerializeAdapter; |
6 | 6 |
7 (function(global, utils) { | 7 (function(global, utils) { |
8 | 8 |
9 "use strict"; | 9 "use strict"; |
10 | 10 |
11 %CheckIsBootstrapping(); | 11 %CheckIsBootstrapping(); |
12 | 12 |
13 // ------------------------------------------------------------------- | 13 // ------------------------------------------------------------------- |
14 // Imports | 14 // Imports |
15 | 15 |
16 var GlobalJSON = global.JSON; | 16 var GlobalJSON = global.JSON; |
17 var InternalArray = utils.InternalArray; | 17 var InternalArray = utils.InternalArray; |
18 | 18 |
19 var MathMax; | 19 var MathMax; |
20 var MathMin; | 20 var MathMin; |
21 var ObjectHasOwnProperty; | |
22 | 21 |
23 utils.Import(function(from) { | 22 utils.Import(function(from) { |
24 MathMax = from.MathMax; | 23 MathMax = from.MathMax; |
25 MathMin = from.MathMin; | 24 MathMin = from.MathMin; |
26 ObjectHasOwnProperty = from.ObjectHasOwnProperty; | |
27 }); | 25 }); |
28 | 26 |
29 // ------------------------------------------------------------------- | 27 // ------------------------------------------------------------------- |
30 | 28 |
31 function Revive(holder, name, reviver) { | 29 function Revive(holder, name, reviver) { |
32 var val = holder[name]; | 30 var val = holder[name]; |
33 if (IS_OBJECT(val)) { | 31 if (IS_OBJECT(val)) { |
34 if (IS_ARRAY(val)) { | 32 if (IS_ARRAY(val)) { |
35 var length = val.length; | 33 var length = val.length; |
36 for (var i = 0; i < length; i++) { | 34 for (var i = 0; i < length; i++) { |
37 var newElement = Revive(val, %_NumberToString(i), reviver); | 35 var newElement = Revive(val, %_NumberToString(i), reviver); |
38 val[i] = newElement; | 36 val[i] = newElement; |
39 } | 37 } |
40 } else { | 38 } else { |
41 for (var p in val) { | 39 for (var p in val) { |
42 if (HAS_OWN_PROPERTY(val, p)) { | 40 if (%_CallFunction(val, p, $objectHasOwnProperty)) { |
43 var newElement = Revive(val, p, reviver); | 41 var newElement = Revive(val, p, reviver); |
44 if (IS_UNDEFINED(newElement)) { | 42 if (IS_UNDEFINED(newElement)) { |
45 delete val[p]; | 43 delete val[p]; |
46 } else { | 44 } else { |
47 val[p] = newElement; | 45 val[p] = newElement; |
48 } | 46 } |
49 } | 47 } |
50 } | 48 } |
51 } | 49 } |
52 } | 50 } |
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94 | 92 |
95 | 93 |
96 function SerializeObject(value, replacer, stack, indent, gap) { | 94 function SerializeObject(value, replacer, stack, indent, gap) { |
97 if (!%PushIfAbsent(stack, value)) throw MakeTypeError(kCircularStructure); | 95 if (!%PushIfAbsent(stack, value)) throw MakeTypeError(kCircularStructure); |
98 var stepback = indent; | 96 var stepback = indent; |
99 indent += gap; | 97 indent += gap; |
100 var partial = new InternalArray(); | 98 var partial = new InternalArray(); |
101 if (IS_ARRAY(replacer)) { | 99 if (IS_ARRAY(replacer)) { |
102 var length = replacer.length; | 100 var length = replacer.length; |
103 for (var i = 0; i < length; i++) { | 101 for (var i = 0; i < length; i++) { |
104 if (HAS_OWN_PROPERTY(replacer, i)) { | 102 if (%_CallFunction(replacer, i, $objectHasOwnProperty)) { |
105 var p = replacer[i]; | 103 var p = replacer[i]; |
106 var strP = JSONSerialize(p, value, replacer, stack, indent, gap); | 104 var strP = JSONSerialize(p, value, replacer, stack, indent, gap); |
107 if (!IS_UNDEFINED(strP)) { | 105 if (!IS_UNDEFINED(strP)) { |
108 var member = %QuoteJSONString(p) + ":"; | 106 var member = %QuoteJSONString(p) + ":"; |
109 if (gap != "") member += " "; | 107 if (gap != "") member += " "; |
110 member += strP; | 108 member += strP; |
111 partial.push(member); | 109 partial.push(member); |
112 } | 110 } |
113 } | 111 } |
114 } | 112 } |
115 } else { | 113 } else { |
116 for (var p in value) { | 114 for (var p in value) { |
117 if (HAS_OWN_PROPERTY(value, p)) { | 115 if (%_CallFunction(value, p, $objectHasOwnProperty)) { |
118 var strP = JSONSerialize(p, value, replacer, stack, indent, gap); | 116 var strP = JSONSerialize(p, value, replacer, stack, indent, gap); |
119 if (!IS_UNDEFINED(strP)) { | 117 if (!IS_UNDEFINED(strP)) { |
120 var member = %QuoteJSONString(p) + ":"; | 118 var member = %QuoteJSONString(p) + ":"; |
121 if (gap != "") member += " "; | 119 if (gap != "") member += " "; |
122 member += strP; | 120 member += strP; |
123 partial.push(member); | 121 partial.push(member); |
124 } | 122 } |
125 } | 123 } |
126 } | 124 } |
127 } | 125 } |
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227 replacer = property_list; | 225 replacer = property_list; |
228 } | 226 } |
229 return JSONSerialize('', {'': value}, replacer, new InternalArray(), "", gap); | 227 return JSONSerialize('', {'': value}, replacer, new InternalArray(), "", gap); |
230 } | 228 } |
231 | 229 |
232 // ------------------------------------------------------------------- | 230 // ------------------------------------------------------------------- |
233 | 231 |
234 %AddNamedProperty(GlobalJSON, symbolToStringTag, "JSON", READ_ONLY | DONT_ENUM); | 232 %AddNamedProperty(GlobalJSON, symbolToStringTag, "JSON", READ_ONLY | DONT_ENUM); |
235 | 233 |
236 // Set up non-enumerable properties of the JSON object. | 234 // Set up non-enumerable properties of the JSON object. |
237 utils.InstallFunctions(GlobalJSON, DONT_ENUM, [ | 235 $installFunctions(GlobalJSON, DONT_ENUM, [ |
238 "parse", JSONParse, | 236 "parse", JSONParse, |
239 "stringify", JSONStringify | 237 "stringify", JSONStringify |
240 ]); | 238 ]); |
241 | 239 |
242 // ------------------------------------------------------------------- | 240 // ------------------------------------------------------------------- |
243 // JSON Builtins | 241 // JSON Builtins |
244 | 242 |
245 $jsonSerializeAdapter = function(key, object) { | 243 $jsonSerializeAdapter = function(key, object) { |
246 var holder = {}; | 244 var holder = {}; |
247 holder[key] = object; | 245 holder[key] = object; |
248 // No need to pass the actual holder since there is no replacer function. | 246 // No need to pass the actual holder since there is no replacer function. |
249 return JSONSerialize(key, holder, UNDEFINED, new InternalArray(), "", ""); | 247 return JSONSerialize(key, holder, UNDEFINED, new InternalArray(), "", ""); |
250 } | 248 } |
251 | 249 |
252 }) | 250 }) |
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