include/v8.h - Issue 12223071: ES6 symbols: Introduce Symbol class, along with abstract Name class

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Issue 12223071: ES6 symbols: Introduce Symbol class, along with abstract Name class (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: Addressed comments Created 7 years, 10 months ago

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1 // Copyright 2012 the V8 project authors. All rights reserved.	1 // Copyright 2012 the V8 project authors. All rights reserved.

2 // Redistribution and use in source and binary forms, with or without	2 // Redistribution and use in source and binary forms, with or without

3 // modification, are permitted provided that the following conditions are	3 // modification, are permitted provided that the following conditions are

4 // met:	4 // met:

5 //	5 //

6 // * Redistributions of source code must retain the above copyright	6 // * Redistributions of source code must retain the above copyright

7 // notice, this list of conditions and the following disclaimer.	7 // notice, this list of conditions and the following disclaimer.

8 // * Redistributions in binary form must reproduce the above	8 // * Redistributions in binary form must reproduce the above

9 // copyright notice, this list of conditions and the following	9 // copyright notice, this list of conditions and the following

10 // disclaimer in the documentation and/or other materials provided	10 // disclaimer in the documentation and/or other materials provided

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4184 static const int kExternalTwoByteRepresentationTag = 0x02;	4184 static const int kExternalTwoByteRepresentationTag = 0x02;

4185 static const int kExternalAsciiRepresentationTag = 0x06;	4185 static const int kExternalAsciiRepresentationTag = 0x06;

4186	4186

4187 static const int kIsolateStateOffset = 0;	4187 static const int kIsolateStateOffset = 0;

4188 static const int kIsolateEmbedderDataOffset = 1 * kApiPointerSize;	4188 static const int kIsolateEmbedderDataOffset = 1 * kApiPointerSize;

4189 static const int kIsolateRootsOffset = 3 * kApiPointerSize;	4189 static const int kIsolateRootsOffset = 3 * kApiPointerSize;

4190 static const int kUndefinedValueRootIndex = 5;	4190 static const int kUndefinedValueRootIndex = 5;

4191 static const int kNullValueRootIndex = 7;	4191 static const int kNullValueRootIndex = 7;

4192 static const int kTrueValueRootIndex = 8;	4192 static const int kTrueValueRootIndex = 8;

4193 static const int kFalseValueRootIndex = 9;	4193 static const int kFalseValueRootIndex = 9;

4194 static const int kEmptyStringRootIndex = 118;	4194 static const int kEmptyStringRootIndex = 119;

4195	4195

4196 static const int kNodeClassIdOffset = 1 * kApiPointerSize;	4196 static const int kNodeClassIdOffset = 1 * kApiPointerSize;

4197 static const int kNodeFlagsOffset = 1 * kApiPointerSize + 3;	4197 static const int kNodeFlagsOffset = 1 * kApiPointerSize + 3;

4198 static const int kNodeStateMask = 0xf;	4198 static const int kNodeStateMask = 0xf;

4199 static const int kNodeStateIsWeakValue = 2;	4199 static const int kNodeStateIsWeakValue = 2;

4200 static const int kNodeStateIsNearDeathValue = 4;	4200 static const int kNodeStateIsNearDeathValue = 4;

4201 static const int kNodeIsIndependentShift = 4;	4201 static const int kNodeIsIndependentShift = 4;

4202 static const int kNodeIsPartiallyDependentShift = 5;	4202 static const int kNodeIsPartiallyDependentShift = 5;

4203	4203

4204 static const int kJSObjectType = 0xab;	4204 static const int kJSObjectType = 0xac;

4205 static const int kFirstNonstringType = 0x80;	4205 static const int kFirstNonstringType = 0x80;

4206 static const int kOddballType = 0x82;	4206 static const int kOddballType = 0x83;

4207 static const int kForeignType = 0x85;	4207 static const int kForeignType = 0x86;

4208	4208

4209 static const int kUndefinedOddballKind = 5;	4209 static const int kUndefinedOddballKind = 5;

4210 static const int kNullOddballKind = 3;	4210 static const int kNullOddballKind = 3;

4211	4211

4212 V8_INLINE(static bool HasHeapObjectTag(internal::Object* value)) {	4212 V8_INLINE(static bool HasHeapObjectTag(internal::Object* value)) {

4213 return ((reinterpret_cast<intptr_t>(value) & kHeapObjectTagMask) ==	4213 return ((reinterpret_cast<intptr_t>(value) & kHeapObjectTagMask) ==

4214 kHeapObjectTag);	4214 kHeapObjectTag);

4215 }	4215 }

4216	4216

4217 V8_INLINE(static int SmiValue(internal::Object* value)) {	4217 V8_INLINE(static int SmiValue(internal::Object* value)) {

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4928	4928

4929	4929

4930 } // namespace v8	4930 } // namespace v8

4931	4931

4932	4932

4933 #undef V8EXPORT	4933 #undef V8EXPORT

4934 #undef TYPE_CHECK	4934 #undef TYPE_CHECK

4935	4935

4936	4936

4937 #endif // V8_H_	4937 #endif // V8_H_

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