diff options
Diffstat (limited to 'deps/v8/include/v8.h')
| -rw-r--r-- | deps/v8/include/v8.h | 213 |
1 files changed, 26 insertions, 187 deletions
diff --git a/deps/v8/include/v8.h b/deps/v8/include/v8.h index 9024531992..33179f5bf0 100644 --- a/deps/v8/include/v8.h +++ b/deps/v8/include/v8.h @@ -1,4 +1,4 @@ -// Copyright 2012 the V8 project authors. All rights reserved. +// Copyright 2011 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: @@ -107,7 +107,6 @@ class Data; class AccessorInfo; class StackTrace; class StackFrame; -class Isolate; namespace internal { @@ -863,13 +862,13 @@ class Value : public Data { * Returns true if this value is the undefined value. See ECMA-262 * 4.3.10. */ - inline bool IsUndefined() const; + V8EXPORT bool IsUndefined() const; /** * Returns true if this value is the null value. See ECMA-262 * 4.3.11. */ - inline bool IsNull() const; + V8EXPORT bool IsNull() const; /** * Returns true if this value is true. @@ -983,11 +982,7 @@ class Value : public Data { V8EXPORT bool StrictEquals(Handle<Value> that) const; private: - inline bool QuickIsUndefined() const; - inline bool QuickIsNull() const; inline bool QuickIsString() const; - V8EXPORT bool FullIsUndefined() const; - V8EXPORT bool FullIsNull() const; V8EXPORT bool FullIsString() const; }; @@ -1084,7 +1079,6 @@ class String : public Primitive { * A zero length string. */ V8EXPORT static v8::Local<v8::String> Empty(); - inline static v8::Local<v8::String> Empty(Isolate* isolate); /** * Returns true if the string is external @@ -1242,7 +1236,8 @@ class String : public Primitive { * this function should not otherwise delete or modify the resource. Neither * should the underlying buffer be deallocated or modified except through the * destructor of the external string resource. - */ V8EXPORT static Local<String> NewExternal( + */ + V8EXPORT static Local<String> NewExternal( ExternalAsciiStringResource* resource); /** @@ -1973,13 +1968,10 @@ class Arguments { inline Local<Object> Holder() const; inline bool IsConstructCall() const; inline Local<Value> Data() const; - inline Isolate* GetIsolate() const; - private: - static const int kIsolateIndex = 0; - static const int kDataIndex = -1; - static const int kCalleeIndex = -2; - static const int kHolderIndex = -3; + static const int kDataIndex = 0; + static const int kCalleeIndex = -1; + static const int kHolderIndex = -2; friend class ImplementationUtilities; inline Arguments(internal::Object** implicit_args, @@ -2001,11 +1993,9 @@ class V8EXPORT AccessorInfo { public: inline AccessorInfo(internal::Object** args) : args_(args) { } - inline Isolate* GetIsolate() const; inline Local<Value> Data() const; inline Local<Object> This() const; inline Local<Object> Holder() const; - private: internal::Object** args_; }; @@ -2562,11 +2552,6 @@ Handle<Primitive> V8EXPORT Null(); Handle<Boolean> V8EXPORT True(); Handle<Boolean> V8EXPORT False(); -inline Handle<Primitive> Undefined(Isolate* isolate); -inline Handle<Primitive> Null(Isolate* isolate); -inline Handle<Boolean> True(Isolate* isolate); -inline Handle<Boolean> False(Isolate* isolate); - /** * A set of constraints that specifies the limits of the runtime's memory use. @@ -2817,13 +2802,13 @@ class V8EXPORT Isolate { /** * Associate embedder-specific data with the isolate */ - inline void SetData(void* data); + void SetData(void* data); /** - * Retrieve embedder-specific data from the isolate. + * Retrive embedder-specific data from the isolate. * Returns NULL if SetData has never been called. */ - inline void* GetData(); + void* GetData(); private: Isolate(); @@ -3168,8 +3153,7 @@ class V8EXPORT V8 { * that is kept alive by JavaScript objects. * \returns the adjusted value. */ - static intptr_t AdjustAmountOfExternalAllocatedMemory( - intptr_t change_in_bytes); + static int AdjustAmountOfExternalAllocatedMemory(int change_in_bytes); /** * Suspends recording of tick samples in the profiler. @@ -3752,12 +3736,6 @@ class V8EXPORT Locker { /** - * A struct for exporting HeapStats data from V8, using "push" model. - */ -struct HeapStatsUpdate; - - -/** * An interface for exporting data from V8, using "push" model. */ class V8EXPORT OutputStream { // NOLINT @@ -3782,14 +3760,6 @@ class V8EXPORT OutputStream { // NOLINT * will not be called in case writing was aborted. */ virtual WriteResult WriteAsciiChunk(char* data, int size) = 0; - /** - * Writes the next chunk of heap stats data into the stream. Writing - * can be stopped by returning kAbort as function result. EndOfStream - * will not be called in case writing was aborted. - */ - virtual WriteResult WriteHeapStatsChunk(HeapStatsUpdate* data, int count) { - return kAbort; - }; }; @@ -3878,6 +3848,18 @@ const uintptr_t kEncodablePointerMask = PlatformSmiTagging::kEncodablePointerMask; const int kPointerToSmiShift = PlatformSmiTagging::kPointerToSmiShift; +template <size_t ptr_size> struct InternalConstants; + +// Internal constants for 32-bit systems. +template <> struct InternalConstants<4> { + static const int kStringResourceOffset = 3 * kApiPointerSize; +}; + +// Internal constants for 64-bit systems. +template <> struct InternalConstants<8> { + static const int kStringResourceOffset = 3 * kApiPointerSize; +}; + /** * This class exports constants and functionality from within v8 that * is necessary to implement inline functions in the v8 api. Don't @@ -3889,31 +3871,18 @@ class Internals { // the implementation of v8. static const int kHeapObjectMapOffset = 0; static const int kMapInstanceTypeOffset = 1 * kApiPointerSize + kApiIntSize; - static const int kStringResourceOffset = 3 * kApiPointerSize; + static const int kStringResourceOffset = + InternalConstants<kApiPointerSize>::kStringResourceOffset; - static const int kOddballKindOffset = 3 * kApiPointerSize; static const int kForeignAddressOffset = kApiPointerSize; static const int kJSObjectHeaderSize = 3 * kApiPointerSize; static const int kFullStringRepresentationMask = 0x07; static const int kExternalTwoByteRepresentationTag = 0x02; - static const int kIsolateStateOffset = 0; - static const int kIsolateEmbedderDataOffset = 1 * kApiPointerSize; - static const int kIsolateRootsOffset = 3 * kApiPointerSize; - static const int kUndefinedValueRootIndex = 5; - static const int kNullValueRootIndex = 7; - static const int kTrueValueRootIndex = 8; - static const int kFalseValueRootIndex = 9; - static const int kEmptySymbolRootIndex = 128; - static const int kJSObjectType = 0xaa; static const int kFirstNonstringType = 0x80; - static const int kOddballType = 0x82; static const int kForeignType = 0x85; - static const int kUndefinedOddballKind = 5; - static const int kNullOddballKind = 3; - static inline bool HasHeapObjectTag(internal::Object* value) { return ((reinterpret_cast<intptr_t>(value) & kHeapObjectTagMask) == kHeapObjectTag); @@ -3933,11 +3902,6 @@ class Internals { return ReadField<uint8_t>(map, kMapInstanceTypeOffset); } - static inline int GetOddballKind(internal::Object* obj) { - typedef internal::Object O; - return SmiValue(ReadField<O*>(obj, kOddballKindOffset)); - } - static inline void* GetExternalPointerFromSmi(internal::Object* value) { const uintptr_t address = reinterpret_cast<uintptr_t>(value); return reinterpret_cast<void*>(address >> kPointerToSmiShift); @@ -3958,28 +3922,6 @@ class Internals { return representation == kExternalTwoByteRepresentationTag; } - static inline bool IsInitialized(v8::Isolate* isolate) { - uint8_t* addr = reinterpret_cast<uint8_t*>(isolate) + kIsolateStateOffset; - return *reinterpret_cast<int*>(addr) == 1; - } - - static inline void SetEmbedderData(v8::Isolate* isolate, void* data) { - uint8_t* addr = reinterpret_cast<uint8_t*>(isolate) + - kIsolateEmbedderDataOffset; - *reinterpret_cast<void**>(addr) = data; - } - - static inline void* GetEmbedderData(v8::Isolate* isolate) { - uint8_t* addr = reinterpret_cast<uint8_t*>(isolate) + - kIsolateEmbedderDataOffset; - return *reinterpret_cast<void**>(addr); - } - - static inline internal::Object** GetRoot(v8::Isolate* isolate, int index) { - uint8_t* addr = reinterpret_cast<uint8_t*>(isolate) + kIsolateRootsOffset; - return reinterpret_cast<internal::Object**>(addr + index * kApiPointerSize); - } - template <typename T> static inline T ReadField(Object* ptr, int offset) { uint8_t* addr = reinterpret_cast<uint8_t*>(ptr) + offset - kHeapObjectTag; @@ -4106,11 +4048,6 @@ Local<Value> Arguments::Data() const { } -Isolate* Arguments::GetIsolate() const { - return *reinterpret_cast<Isolate**>(&implicit_args_[kIsolateIndex]); -} - - bool Arguments::IsConstructCall() const { return is_construct_call_; } @@ -4223,15 +4160,6 @@ String* String::Cast(v8::Value* value) { } -Local<String> String::Empty(Isolate* isolate) { - typedef internal::Object* S; - typedef internal::Internals I; - if (!I::IsInitialized(isolate)) return Empty(); - S* slot = I::GetRoot(isolate, I::kEmptySymbolRootIndex); - return Local<String>(reinterpret_cast<String*>(slot)); -} - - String::ExternalStringResource* String::GetExternalStringResource() const { typedef internal::Object O; typedef internal::Internals I; @@ -4250,42 +4178,6 @@ String::ExternalStringResource* String::GetExternalStringResource() const { } -bool Value::IsUndefined() const { -#ifdef V8_ENABLE_CHECKS - return FullIsUndefined(); -#else - return QuickIsUndefined(); -#endif -} - -bool Value::QuickIsUndefined() const { - typedef internal::Object O; - typedef internal::Internals I; - O* obj = *reinterpret_cast<O**>(const_cast<Value*>(this)); - if (!I::HasHeapObjectTag(obj)) return false; - if (I::GetInstanceType(obj) != I::kOddballType) return false; - return (I::GetOddballKind(obj) == I::kUndefinedOddballKind); -} - - -bool Value::IsNull() const { -#ifdef V8_ENABLE_CHECKS - return FullIsNull(); -#else - return QuickIsNull(); -#endif -} - -bool Value::QuickIsNull() const { - typedef internal::Object O; - typedef internal::Internals I; - O* obj = *reinterpret_cast<O**>(const_cast<Value*>(this)); - if (!I::HasHeapObjectTag(obj)) return false; - if (I::GetInstanceType(obj) != I::kOddballType) return false; - return (I::GetOddballKind(obj) == I::kNullOddballKind); -} - - bool Value::IsString() const { #ifdef V8_ENABLE_CHECKS return FullIsString(); @@ -4391,11 +4283,6 @@ External* External::Cast(v8::Value* value) { } -Isolate* AccessorInfo::GetIsolate() const { - return *reinterpret_cast<Isolate**>(&args_[-3]); -} - - Local<Value> AccessorInfo::Data() const { return Local<Value>(reinterpret_cast<Value*>(&args_[-2])); } @@ -4411,54 +4298,6 @@ Local<Object> AccessorInfo::Holder() const { } -Handle<Primitive> Undefined(Isolate* isolate) { - typedef internal::Object* S; - typedef internal::Internals I; - if (!I::IsInitialized(isolate)) return Undefined(); - S* slot = I::GetRoot(isolate, I::kUndefinedValueRootIndex); - return Handle<Primitive>(reinterpret_cast<Primitive*>(slot)); -} - - -Handle<Primitive> Null(Isolate* isolate) { - typedef internal::Object* S; - typedef internal::Internals I; - if (!I::IsInitialized(isolate)) return Null(); - S* slot = I::GetRoot(isolate, I::kNullValueRootIndex); - return Handle<Primitive>(reinterpret_cast<Primitive*>(slot)); -} - - -Handle<Boolean> True(Isolate* isolate) { - typedef internal::Object* S; - typedef internal::Internals I; - if (!I::IsInitialized(isolate)) return True(); - S* slot = I::GetRoot(isolate, I::kTrueValueRootIndex); - return Handle<Boolean>(reinterpret_cast<Boolean*>(slot)); -} - - -Handle<Boolean> False(Isolate* isolate) { - typedef internal::Object* S; - typedef internal::Internals I; - if (!I::IsInitialized(isolate)) return False(); - S* slot = I::GetRoot(isolate, I::kFalseValueRootIndex); - return Handle<Boolean>(reinterpret_cast<Boolean*>(slot)); -} - - -void Isolate::SetData(void* data) { - typedef internal::Internals I; - I::SetEmbedderData(this, data); -} - - -void* Isolate::GetData() { - typedef internal::Internals I; - return I::GetEmbedderData(this); -} - - /** * \example shell.cc * A simple shell that takes a list of expressions on the |