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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 (function() { | 5 (function() { |
6 | 6 |
7 "use strict"; | 7 "use strict"; |
8 | 8 |
9 %CheckIsBootstrapping(); | 9 %CheckIsBootstrapping(); |
10 | 10 |
11 macro TYPED_ARRAYS(FUNCTION) | 11 macro TYPED_ARRAYS(FUNCTION) |
12 // arrayIds below should be synchronized with Runtime_TypedArrayInitialize. | 12 // arrayIds below should be synchronized with Runtime_TypedArrayInitialize. |
13 FUNCTION(1, Uint8Array, 1) | 13 FUNCTION(Uint8Array) |
14 FUNCTION(2, Int8Array, 1) | 14 FUNCTION(Int8Array) |
15 FUNCTION(3, Uint16Array, 2) | 15 FUNCTION(Uint16Array) |
16 FUNCTION(4, Int16Array, 2) | 16 FUNCTION(Int16Array) |
17 FUNCTION(5, Uint32Array, 4) | 17 FUNCTION(Uint32Array) |
18 FUNCTION(6, Int32Array, 4) | 18 FUNCTION(Int32Array) |
19 FUNCTION(7, Float32Array, 4) | 19 FUNCTION(Float32Array) |
20 FUNCTION(8, Float64Array, 8) | 20 FUNCTION(Float64Array) |
21 FUNCTION(9, Uint8ClampedArray, 1) | 21 FUNCTION(Uint8ClampedArray) |
22 endmacro | 22 endmacro |
23 | 23 |
24 macro DECLARE_GLOBALS(INDEX, NAME, SIZE) | 24 macro DECLARE_GLOBALS(NAME) |
25 var GlobalNAME = global.NAME; | 25 var GlobalNAME = global.NAME; |
26 endmacro | 26 endmacro |
27 | 27 |
28 TYPED_ARRAYS(DECLARE_GLOBALS) | 28 TYPED_ARRAYS(DECLARE_GLOBALS) |
29 | 29 |
30 // ------------------------------------------------------------------- | 30 // ------------------------------------------------------------------- |
31 | 31 |
32 macro TYPED_ARRAY_HARMONY_ADDITIONS(ARRAY_ID, NAME, ELEMENT_SIZE) | |
33 | |
34 // ES6 draft 05-05-15, section 22.2.3.7 | 32 // ES6 draft 05-05-15, section 22.2.3.7 |
35 function NAMEEvery(f /* thisArg */) { // length == 1 | 33 function TypedArrayEvery(f /* thisArg */) { // length == 1 |
36 if (!%IsTypedArray(this)) { | 34 if (!%IsTypedArray(this)) { |
37 throw MakeTypeError('not_typed_array', []); | 35 throw MakeTypeError('not_typed_array', []); |
38 } | 36 } |
39 if (!IS_SPEC_FUNCTION(f)) throw MakeTypeError(kCalledNonCallable, f); | 37 if (!IS_SPEC_FUNCTION(f)) throw MakeTypeError(kCalledNonCallable, f); |
40 | 38 |
41 var length = %_TypedArrayGetLength(this); | 39 var length = %_TypedArrayGetLength(this); |
42 var receiver; | 40 var receiver; |
43 | 41 |
44 if (%_ArgumentsLength() > 1) { | 42 if (%_ArgumentsLength() > 1) { |
45 receiver = %_Arguments(1); | 43 receiver = %_Arguments(1); |
(...skipping 13 matching lines...) Expand all Loading... |
59 if (stepping) %DebugPrepareStepInIfStepping(f); | 57 if (stepping) %DebugPrepareStepInIfStepping(f); |
60 var new_receiver = needs_wrapper ? $toObject(receiver) : receiver; | 58 var new_receiver = needs_wrapper ? $toObject(receiver) : receiver; |
61 if (!%_CallFunction(new_receiver, TO_OBJECT_INLINE(element), i, this, f)) { | 59 if (!%_CallFunction(new_receiver, TO_OBJECT_INLINE(element), i, this, f)) { |
62 return false; | 60 return false; |
63 } | 61 } |
64 } | 62 } |
65 return true; | 63 return true; |
66 } | 64 } |
67 | 65 |
68 // ES6 draft 08-24-14, section 22.2.3.12 | 66 // ES6 draft 08-24-14, section 22.2.3.12 |
69 function NAMEForEach(f /* thisArg */) { // length == 1 | 67 function TypedArrayForEach(f /* thisArg */) { // length == 1 |
70 if (!%IsTypedArray(this)) throw MakeTypeError(kNotTypedArray); | 68 if (!%IsTypedArray(this)) throw MakeTypeError(kNotTypedArray); |
71 if (!IS_SPEC_FUNCTION(f)) throw MakeTypeError(kCalledNonCallable, f); | 69 if (!IS_SPEC_FUNCTION(f)) throw MakeTypeError(kCalledNonCallable, f); |
72 | 70 |
73 var length = %_TypedArrayGetLength(this); | 71 var length = %_TypedArrayGetLength(this); |
74 var receiver; | 72 var receiver; |
75 | 73 |
76 if (%_ArgumentsLength() > 1) { | 74 if (%_ArgumentsLength() > 1) { |
77 receiver = %_Arguments(1); | 75 receiver = %_Arguments(1); |
78 } | 76 } |
79 | 77 |
80 var needs_wrapper = false; | 78 var needs_wrapper = false; |
81 if (IS_NULL(receiver)) { | 79 if (IS_NULL(receiver)) { |
82 if (%IsSloppyModeFunction(mapfn)) receiver = UNDEFINED; | 80 if (%IsSloppyModeFunction(mapfn)) receiver = UNDEFINED; |
83 } else if (!IS_UNDEFINED(receiver)) { | 81 } else if (!IS_UNDEFINED(receiver)) { |
84 needs_wrapper = SHOULD_CREATE_WRAPPER(f, receiver); | 82 needs_wrapper = SHOULD_CREATE_WRAPPER(f, receiver); |
85 } | 83 } |
86 | 84 |
87 var stepping = DEBUG_IS_ACTIVE && %DebugCallbackSupportsStepping(f); | 85 var stepping = DEBUG_IS_ACTIVE && %DebugCallbackSupportsStepping(f); |
88 for (var i = 0; i < length; i++) { | 86 for (var i = 0; i < length; i++) { |
89 var element = this[i]; | 87 var element = this[i]; |
90 // Prepare break slots for debugger step in. | 88 // Prepare break slots for debugger step in. |
91 if (stepping) %DebugPrepareStepInIfStepping(f); | 89 if (stepping) %DebugPrepareStepInIfStepping(f); |
92 var new_receiver = needs_wrapper ? $toObject(receiver) : receiver; | 90 var new_receiver = needs_wrapper ? $toObject(receiver) : receiver; |
93 %_CallFunction(new_receiver, TO_OBJECT_INLINE(element), i, this, f); | 91 %_CallFunction(new_receiver, TO_OBJECT_INLINE(element), i, this, f); |
94 } | 92 } |
95 } | 93 } |
96 | 94 |
97 // ES6 draft 08-24-14, section 22.2.2.2 | 95 // ES6 draft 08-24-14, section 22.2.2.2 |
98 function NAMEOf() { // length == 0 | 96 function TypedArrayOf() { // length == 0 |
99 var length = %_ArgumentsLength(); | 97 var length = %_ArgumentsLength(); |
100 var array = new this(length); | 98 var array = new this(length); |
101 for (var i = 0; i < length; i++) { | 99 for (var i = 0; i < length; i++) { |
102 array[i] = %_Arguments(i); | 100 array[i] = %_Arguments(i); |
103 } | 101 } |
104 return array; | 102 return array; |
105 } | 103 } |
106 | 104 |
107 endmacro | 105 macro EXTEND_TYPED_ARRAY(NAME) |
108 | |
109 TYPED_ARRAYS(TYPED_ARRAY_HARMONY_ADDITIONS) | |
110 | |
111 | |
112 macro EXTEND_TYPED_ARRAY(ARRAY_ID, NAME, ELEMENT_SIZE) | |
113 // Set up non-enumerable functions on the object. | 106 // Set up non-enumerable functions on the object. |
114 $installFunctions(GlobalNAME, DONT_ENUM | DONT_DELETE | READ_ONLY, [ | 107 $installFunctions(GlobalNAME, DONT_ENUM | DONT_DELETE | READ_ONLY, [ |
115 "of", NAMEOf | 108 "of", TypedArrayOf |
116 ]); | 109 ]); |
117 | 110 |
118 // Set up non-enumerable functions on the prototype object. | 111 // Set up non-enumerable functions on the prototype object. |
119 $installFunctions(GlobalNAME.prototype, DONT_ENUM, [ | 112 $installFunctions(GlobalNAME.prototype, DONT_ENUM, [ |
120 "every", NAMEEvery, | 113 "every", TypedArrayEvery, |
121 "forEach", NAMEForEach | 114 "forEach", TypedArrayForEach |
122 ]); | 115 ]); |
123 endmacro | 116 endmacro |
124 | 117 |
125 TYPED_ARRAYS(EXTEND_TYPED_ARRAY) | 118 TYPED_ARRAYS(EXTEND_TYPED_ARRAY) |
126 | 119 |
127 })(); | 120 })(); |
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