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Issue 1895093002: Create per-descriptor-index LoadApiGetterStub (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Rebase Created 4 years, 8 months ago
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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 #ifndef V8_OBJECTS_H_ 5 #ifndef V8_OBJECTS_H_
6 #define V8_OBJECTS_H_ 6 #define V8_OBJECTS_H_
7 7
8 #include <iosfwd> 8 #include <iosfwd>
9 9
10 #include "src/assert-scope.h" 10 #include "src/assert-scope.h"
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3085 static int ToDetailsIndex(int descriptor_number) { 3085 static int ToDetailsIndex(int descriptor_number) {
3086 return kFirstIndex + (descriptor_number * kDescriptorSize) + 3086 return kFirstIndex + (descriptor_number * kDescriptorSize) +
3087 kDescriptorDetails; 3087 kDescriptorDetails;
3088 } 3088 }
3089 3089
3090 // Conversion from descriptor number to array indices. 3090 // Conversion from descriptor number to array indices.
3091 static int ToKeyIndex(int descriptor_number) { 3091 static int ToKeyIndex(int descriptor_number) {
3092 return kFirstIndex + (descriptor_number * kDescriptorSize) + kDescriptorKey; 3092 return kFirstIndex + (descriptor_number * kDescriptorSize) + kDescriptorKey;
3093 } 3093 }
3094 3094
3095 static int ToValueIndex(int descriptor_number) {
3096 return kFirstIndex + (descriptor_number * kDescriptorSize) +
3097 kDescriptorValue;
3098 }
3099
3095 private: 3100 private:
3096 // An entry in a DescriptorArray, represented as an (array, index) pair. 3101 // An entry in a DescriptorArray, represented as an (array, index) pair.
3097 class Entry { 3102 class Entry {
3098 public: 3103 public:
3099 inline explicit Entry(DescriptorArray* descs, int index) : 3104 inline explicit Entry(DescriptorArray* descs, int index) :
3100 descs_(descs), index_(index) { } 3105 descs_(descs), index_(index) { }
3101 3106
3102 inline PropertyType type(); 3107 inline PropertyType type();
3103 inline Object* GetCallbackObject(); 3108 inline Object* GetCallbackObject();
3104 3109
3105 private: 3110 private:
3106 DescriptorArray* descs_; 3111 DescriptorArray* descs_;
3107 int index_; 3112 int index_;
3108 }; 3113 };
3109 3114
3110 static int ToValueIndex(int descriptor_number) {
3111 return kFirstIndex +
3112 (descriptor_number * kDescriptorSize) +
3113 kDescriptorValue;
3114 }
3115
3116 // Transfer a complete descriptor from the src descriptor array to this 3115 // Transfer a complete descriptor from the src descriptor array to this
3117 // descriptor array. 3116 // descriptor array.
3118 void CopyFrom(int index, DescriptorArray* src); 3117 void CopyFrom(int index, DescriptorArray* src);
3119 3118
3120 inline void SetDescriptor(int descriptor_number, Descriptor* desc); 3119 inline void SetDescriptor(int descriptor_number, Descriptor* desc);
3121 3120
3122 // Swap first and second descriptor. 3121 // Swap first and second descriptor.
3123 inline void SwapSortedKeys(int first, int second); 3122 inline void SwapSortedKeys(int first, int second);
3124 3123
3125 DISALLOW_IMPLICIT_CONSTRUCTORS(DescriptorArray); 3124 DISALLOW_IMPLICIT_CONSTRUCTORS(DescriptorArray);
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10795 } 10794 }
10796 return value; 10795 return value;
10797 } 10796 }
10798 }; 10797 };
10799 10798
10800 10799
10801 } // NOLINT, false-positive due to second-order macros. 10800 } // NOLINT, false-positive due to second-order macros.
10802 } // NOLINT, false-positive due to second-order macros. 10801 } // NOLINT, false-positive due to second-order macros.
10803 10802
10804 #endif // V8_OBJECTS_H_ 10803 #endif // V8_OBJECTS_H_
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