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Issue 10116030: Revert r11376 and r11379 due to compile failures on Windows. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 8 years, 8 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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2554 2554
2555 2555
2556 // --- Statics --- 2556 // --- Statics ---
2557 2557
2558 2558
2559 Handle<Primitive> V8EXPORT Undefined(); 2559 Handle<Primitive> V8EXPORT Undefined();
2560 Handle<Primitive> V8EXPORT Null(); 2560 Handle<Primitive> V8EXPORT Null();
2561 Handle<Boolean> V8EXPORT True(); 2561 Handle<Boolean> V8EXPORT True();
2562 Handle<Boolean> V8EXPORT False(); 2562 Handle<Boolean> V8EXPORT False();
2563 2563
2564 inline Handle<Primitive> Undefined(Isolate* isolate);
2565 inline Handle<Primitive> Null(Isolate* isolate);
2566 inline Handle<Boolean> True(Isolate* isolate);
2567 inline Handle<Boolean> False(Isolate* isolate);
2568
2569 2564
2570 /** 2565 /**
2571 * A set of constraints that specifies the limits of the runtime's memory use. 2566 * A set of constraints that specifies the limits of the runtime's memory use.
2572 * You must set the heap size before initializing the VM - the size cannot be 2567 * You must set the heap size before initializing the VM - the size cannot be
2573 * adjusted after the VM is initialized. 2568 * adjusted after the VM is initialized.
2574 * 2569 *
2575 * If you are using threads then you should hold the V8::Locker lock while 2570 * If you are using threads then you should hold the V8::Locker lock while
2576 * setting the stack limit and you must set a non-default stack limit separately 2571 * setting the stack limit and you must set a non-default stack limit separately
2577 * for each thread. 2572 * for each thread.
2578 */ 2573 */
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3902 static const int kMapInstanceTypeOffset = 1 * kApiPointerSize + kApiIntSize; 3897 static const int kMapInstanceTypeOffset = 1 * kApiPointerSize + kApiIntSize;
3903 static const int kStringResourceOffset = 3898 static const int kStringResourceOffset =
3904 InternalConstants<kApiPointerSize>::kStringResourceOffset; 3899 InternalConstants<kApiPointerSize>::kStringResourceOffset;
3905 3900
3906 static const int kOddballKindOffset = 3 * kApiPointerSize; 3901 static const int kOddballKindOffset = 3 * kApiPointerSize;
3907 static const int kForeignAddressOffset = kApiPointerSize; 3902 static const int kForeignAddressOffset = kApiPointerSize;
3908 static const int kJSObjectHeaderSize = 3 * kApiPointerSize; 3903 static const int kJSObjectHeaderSize = 3 * kApiPointerSize;
3909 static const int kFullStringRepresentationMask = 0x07; 3904 static const int kFullStringRepresentationMask = 0x07;
3910 static const int kExternalTwoByteRepresentationTag = 0x02; 3905 static const int kExternalTwoByteRepresentationTag = 0x02;
3911 3906
3912 static const int kIsolateStateOffset = 0;
3913 static const int kIsolateRootsOffset = 2 * kApiPointerSize;
3914 static const int kUndefinedValueRootIndex = 5;
3915 static const int kNullValueRootIndex = 7;
3916 static const int kTrueValueRootIndex = 8;
3917 static const int kFalseValueRootIndex = 9;
3918
3919 static const int kJSObjectType = 0xaa; 3907 static const int kJSObjectType = 0xaa;
3920 static const int kFirstNonstringType = 0x80; 3908 static const int kFirstNonstringType = 0x80;
3921 static const int kOddballType = 0x82; 3909 static const int kOddballType = 0x82;
3922 static const int kForeignType = 0x85; 3910 static const int kForeignType = 0x85;
3923 3911
3924 static const int kUndefinedOddballKind = 5; 3912 static const int kUndefinedOddballKind = 5;
3925 static const int kNullOddballKind = 3; 3913 static const int kNullOddballKind = 3;
3926 3914
3927 static inline bool HasHeapObjectTag(internal::Object* value) { 3915 static inline bool HasHeapObjectTag(internal::Object* value) {
3928 return ((reinterpret_cast<intptr_t>(value) & kHeapObjectTagMask) == 3916 return ((reinterpret_cast<intptr_t>(value) & kHeapObjectTagMask) ==
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3961 } else { 3949 } else {
3962 return NULL; 3950 return NULL;
3963 } 3951 }
3964 } 3952 }
3965 3953
3966 static inline bool IsExternalTwoByteString(int instance_type) { 3954 static inline bool IsExternalTwoByteString(int instance_type) {
3967 int representation = (instance_type & kFullStringRepresentationMask); 3955 int representation = (instance_type & kFullStringRepresentationMask);
3968 return representation == kExternalTwoByteRepresentationTag; 3956 return representation == kExternalTwoByteRepresentationTag;
3969 } 3957 }
3970 3958
3971 static inline bool IsInitialized(v8::Isolate* isolate) {
3972 uint8_t* addr = reinterpret_cast<uint8_t*>(isolate) + kIsolateStateOffset;
3973 return *reinterpret_cast<int*>(addr) == 1;
3974 }
3975
3976 static inline internal::Object** GetRoot(v8::Isolate* isolate, int index) {
3977 uint8_t* addr = reinterpret_cast<uint8_t*>(isolate) + kIsolateRootsOffset;
3978 return reinterpret_cast<internal::Object**>(addr + index * kApiPointerSize);
3979 }
3980
3981 template <typename T> 3959 template <typename T>
3982 static inline T ReadField(Object* ptr, int offset) { 3960 static inline T ReadField(Object* ptr, int offset) {
3983 uint8_t* addr = reinterpret_cast<uint8_t*>(ptr) + offset - kHeapObjectTag; 3961 uint8_t* addr = reinterpret_cast<uint8_t*>(ptr) + offset - kHeapObjectTag;
3984 return *reinterpret_cast<T*>(addr); 3962 return *reinterpret_cast<T*>(addr);
3985 } 3963 }
3986 3964
3987 static inline bool CanCastToHeapObject(void* o) { return false; } 3965 static inline bool CanCastToHeapObject(void* o) { return false; }
3988 static inline bool CanCastToHeapObject(Context* o) { return true; } 3966 static inline bool CanCastToHeapObject(Context* o) { return true; }
3989 static inline bool CanCastToHeapObject(String* o) { return true; } 3967 static inline bool CanCastToHeapObject(String* o) { return true; }
3990 static inline bool CanCastToHeapObject(Object* o) { return true; } 3968 static inline bool CanCastToHeapObject(Object* o) { return true; }
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4393 Local<Object> AccessorInfo::This() const { 4371 Local<Object> AccessorInfo::This() const {
4394 return Local<Object>(reinterpret_cast<Object*>(&args_[0])); 4372 return Local<Object>(reinterpret_cast<Object*>(&args_[0]));
4395 } 4373 }
4396 4374
4397 4375
4398 Local<Object> AccessorInfo::Holder() const { 4376 Local<Object> AccessorInfo::Holder() const {
4399 return Local<Object>(reinterpret_cast<Object*>(&args_[-1])); 4377 return Local<Object>(reinterpret_cast<Object*>(&args_[-1]));
4400 } 4378 }
4401 4379
4402 4380
4403 Handle<Primitive> Undefined(Isolate* isolate) {
4404 typedef internal::Object* S;
4405 typedef internal::Internals I;
4406 if (!I::IsInitialized(isolate)) return Undefined();
4407 S* slot = I::GetRoot(isolate, I::kUndefinedValueRootIndex);
4408 return Handle<Primitive>(reinterpret_cast<Primitive*>(slot));
4409 }
4410
4411
4412 Handle<Primitive> Null(Isolate* isolate) {
4413 typedef internal::Object* S;
4414 typedef internal::Internals I;
4415 if (!I::IsInitialized(isolate)) return Null();
4416 S* slot = I::GetRoot(isolate, I::kNullValueRootIndex);
4417 return Handle<Primitive>(reinterpret_cast<Primitive*>(slot));
4418 }
4419
4420
4421 Handle<Boolean> True(Isolate* isolate) {
4422 typedef internal::Object* S;
4423 typedef internal::Internals I;
4424 if (!I::IsInitialized(isolate)) return True();
4425 S* slot = I::GetRoot(isolate, I::kTrueValueRootIndex);
4426 return Handle<Boolean>(reinterpret_cast<Boolean*>(slot));
4427 }
4428
4429
4430 Handle<Boolean> False(Isolate* isolate) {
4431 typedef internal::Object* S;
4432 typedef internal::Internals I;
4433 if (!I::IsInitialized(isolate)) return False();
4434 S* slot = I::GetRoot(isolate, I::kFalseValueRootIndex);
4435 return Handle<Boolean>(reinterpret_cast<Boolean*>(slot));
4436 }
4437
4438
4439 /** 4381 /**
4440 * \example shell.cc 4382 * \example shell.cc
4441 * A simple shell that takes a list of expressions on the 4383 * A simple shell that takes a list of expressions on the
4442 * command-line and executes them. 4384 * command-line and executes them.
4443 */ 4385 */
4444 4386
4445 4387
4446 /** 4388 /**
4447 * \example process.cc 4389 * \example process.cc
4448 */ 4390 */
4449 4391
4450 4392
4451 } // namespace v8 4393 } // namespace v8
4452 4394
4453 4395
4454 #undef V8EXPORT 4396 #undef V8EXPORT
4455 #undef TYPE_CHECK 4397 #undef TYPE_CHECK
4456 4398
4457 4399
4458 #endif // V8_H_ 4400 #endif // V8_H_
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