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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 // 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 // Review notes: | 5 // Review notes: |
6 // | 6 // |
7 // - The use of macros in these inline functions may seem superfluous | 7 // - The use of macros in these inline functions may seem superfluous |
8 // but it is absolutely needed to make sure gcc generates optimal | 8 // but it is absolutely needed to make sure gcc generates optimal |
9 // code. gcc is not happy when attempting to inline too deep. | 9 // code. gcc is not happy when attempting to inline too deep. |
10 // | 10 // |
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3372 } | 3372 } |
3373 | 3373 |
3374 | 3374 |
3375 LiteralsArray* LiteralsArray::cast(Object* object) { | 3375 LiteralsArray* LiteralsArray::cast(Object* object) { |
3376 SLOW_DCHECK(object->IsLiteralsArray()); | 3376 SLOW_DCHECK(object->IsLiteralsArray()); |
3377 return reinterpret_cast<LiteralsArray*>(object); | 3377 return reinterpret_cast<LiteralsArray*>(object); |
3378 } | 3378 } |
3379 | 3379 |
3380 | 3380 |
3381 TypeFeedbackVector* LiteralsArray::feedback_vector() const { | 3381 TypeFeedbackVector* LiteralsArray::feedback_vector() const { |
3382 if (length() == 0) { | |
3383 return TypeFeedbackVector::cast( | |
3384 const_cast<FixedArray*>(FixedArray::cast(this))); | |
3385 } | |
3386 return TypeFeedbackVector::cast(get(kVectorIndex)); | 3382 return TypeFeedbackVector::cast(get(kVectorIndex)); |
3387 } | 3383 } |
3388 | 3384 |
3389 | 3385 |
3390 void LiteralsArray::set_feedback_vector(TypeFeedbackVector* vector) { | 3386 void LiteralsArray::set_feedback_vector(TypeFeedbackVector* vector) { |
3391 if (length() <= kVectorIndex) { | |
3392 DCHECK(vector->length() == 0); | |
3393 return; | |
3394 } | |
3395 set(kVectorIndex, vector); | 3387 set(kVectorIndex, vector); |
3396 } | 3388 } |
3397 | 3389 |
3398 | 3390 |
3399 Object* LiteralsArray::literal(int literal_index) const { | 3391 Object* LiteralsArray::literal(int literal_index) const { |
3400 return get(kFirstLiteralIndex + literal_index); | 3392 return get(kFirstLiteralIndex + literal_index); |
3401 } | 3393 } |
3402 | 3394 |
3403 | 3395 |
3404 void LiteralsArray::set_literal(int literal_index, Object* literal) { | 3396 void LiteralsArray::set_literal(int literal_index, Object* literal) { |
3405 set(kFirstLiteralIndex + literal_index, literal); | 3397 set(kFirstLiteralIndex + literal_index, literal); |
3406 } | 3398 } |
3407 | 3399 |
3408 void LiteralsArray::set_literal_undefined(int literal_index) { | |
3409 set_undefined(kFirstLiteralIndex + literal_index); | |
3410 } | |
3411 | 3400 |
3412 int LiteralsArray::literals_count() const { | 3401 int LiteralsArray::literals_count() const { |
3413 return length() - kFirstLiteralIndex; | 3402 return length() - kFirstLiteralIndex; |
3414 } | 3403 } |
3415 | 3404 |
3416 int HandlerTable::GetRangeStart(int index) const { | 3405 int HandlerTable::GetRangeStart(int index) const { |
3417 return Smi::cast(get(index * kRangeEntrySize + kRangeStartIndex))->value(); | 3406 return Smi::cast(get(index * kRangeEntrySize + kRangeStartIndex))->value(); |
3418 } | 3407 } |
3419 | 3408 |
3420 int HandlerTable::GetRangeEnd(int index) const { | 3409 int HandlerTable::GetRangeEnd(int index) const { |
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5639 | 5628 |
5640 SMI_ACCESSORS(BreakPointInfo, code_offset, kCodeOffsetIndex) | 5629 SMI_ACCESSORS(BreakPointInfo, code_offset, kCodeOffsetIndex) |
5641 SMI_ACCESSORS(BreakPointInfo, source_position, kSourcePositionIndex) | 5630 SMI_ACCESSORS(BreakPointInfo, source_position, kSourcePositionIndex) |
5642 SMI_ACCESSORS(BreakPointInfo, statement_position, kStatementPositionIndex) | 5631 SMI_ACCESSORS(BreakPointInfo, statement_position, kStatementPositionIndex) |
5643 ACCESSORS(BreakPointInfo, break_point_objects, Object, kBreakPointObjectsIndex) | 5632 ACCESSORS(BreakPointInfo, break_point_objects, Object, kBreakPointObjectsIndex) |
5644 | 5633 |
5645 ACCESSORS(SharedFunctionInfo, name, Object, kNameOffset) | 5634 ACCESSORS(SharedFunctionInfo, name, Object, kNameOffset) |
5646 ACCESSORS(SharedFunctionInfo, optimized_code_map, FixedArray, | 5635 ACCESSORS(SharedFunctionInfo, optimized_code_map, FixedArray, |
5647 kOptimizedCodeMapOffset) | 5636 kOptimizedCodeMapOffset) |
5648 ACCESSORS(SharedFunctionInfo, construct_stub, Code, kConstructStubOffset) | 5637 ACCESSORS(SharedFunctionInfo, construct_stub, Code, kConstructStubOffset) |
5649 ACCESSORS(SharedFunctionInfo, feedback_metadata, TypeFeedbackMetadata, | 5638 ACCESSORS(SharedFunctionInfo, feedback_vector, TypeFeedbackVector, |
5650 kFeedbackMetadataOffset) | 5639 kFeedbackVectorOffset) |
5651 #if TRACE_MAPS | 5640 #if TRACE_MAPS |
5652 SMI_ACCESSORS(SharedFunctionInfo, unique_id, kUniqueIdOffset) | 5641 SMI_ACCESSORS(SharedFunctionInfo, unique_id, kUniqueIdOffset) |
5653 #endif | 5642 #endif |
5654 ACCESSORS(SharedFunctionInfo, instance_class_name, Object, | 5643 ACCESSORS(SharedFunctionInfo, instance_class_name, Object, |
5655 kInstanceClassNameOffset) | 5644 kInstanceClassNameOffset) |
5656 ACCESSORS(SharedFunctionInfo, function_data, Object, kFunctionDataOffset) | 5645 ACCESSORS(SharedFunctionInfo, function_data, Object, kFunctionDataOffset) |
5657 ACCESSORS(SharedFunctionInfo, script, Object, kScriptOffset) | 5646 ACCESSORS(SharedFunctionInfo, script, Object, kScriptOffset) |
5658 ACCESSORS(SharedFunctionInfo, debug_info, Object, kDebugInfoOffset) | 5647 ACCESSORS(SharedFunctionInfo, debug_info, Object, kDebugInfoOffset) |
5659 ACCESSORS(SharedFunctionInfo, inferred_name, String, kInferredNameOffset) | 5648 ACCESSORS(SharedFunctionInfo, inferred_name, String, kInferredNameOffset) |
5660 | 5649 |
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5822 } | 5811 } |
5823 | 5812 |
5824 | 5813 |
5825 void SharedFunctionInfo::set_kind(FunctionKind kind) { | 5814 void SharedFunctionInfo::set_kind(FunctionKind kind) { |
5826 DCHECK(IsValidFunctionKind(kind)); | 5815 DCHECK(IsValidFunctionKind(kind)); |
5827 int hints = compiler_hints(); | 5816 int hints = compiler_hints(); |
5828 hints = FunctionKindBits::update(hints, kind); | 5817 hints = FunctionKindBits::update(hints, kind); |
5829 set_compiler_hints(hints); | 5818 set_compiler_hints(hints); |
5830 } | 5819 } |
5831 | 5820 |
5832 // static | |
5833 int SharedFunctionInfo::OffsetToPreviousContext() { | |
5834 return FixedArray::kHeaderSize + | |
5835 kPointerSize * (kContextOffset - kEntryLength); | |
5836 } | |
5837 | |
5838 int SharedFunctionInfo::OffsetToPreviousCachedCode() { | |
5839 return FixedArray::kHeaderSize + | |
5840 kPointerSize * (kCachedCodeOffset - kEntryLength); | |
5841 } | |
5842 | |
5843 int SharedFunctionInfo::OffsetToPreviousLiterals() { | |
5844 return FixedArray::kHeaderSize + | |
5845 kPointerSize * (kLiteralsOffset - kEntryLength); | |
5846 } | |
5847 | |
5848 int SharedFunctionInfo::OffsetToPreviousOsrAstId() { | |
5849 return FixedArray::kHeaderSize + | |
5850 kPointerSize * (kOsrAstIdOffset - kEntryLength); | |
5851 } | |
5852 | 5821 |
5853 BOOL_ACCESSORS(SharedFunctionInfo, compiler_hints, needs_home_object, | 5822 BOOL_ACCESSORS(SharedFunctionInfo, compiler_hints, needs_home_object, |
5854 kNeedsHomeObject) | 5823 kNeedsHomeObject) |
5855 BOOL_ACCESSORS(SharedFunctionInfo, compiler_hints, native, kNative) | 5824 BOOL_ACCESSORS(SharedFunctionInfo, compiler_hints, native, kNative) |
5856 BOOL_ACCESSORS(SharedFunctionInfo, compiler_hints, force_inline, kForceInline) | 5825 BOOL_ACCESSORS(SharedFunctionInfo, compiler_hints, force_inline, kForceInline) |
5857 BOOL_ACCESSORS(SharedFunctionInfo, compiler_hints, | 5826 BOOL_ACCESSORS(SharedFunctionInfo, compiler_hints, |
5858 name_should_print_as_anonymous, | 5827 name_should_print_as_anonymous, |
5859 kNameShouldPrintAsAnonymous) | 5828 kNameShouldPrintAsAnonymous) |
5860 BOOL_ACCESSORS(SharedFunctionInfo, compiler_hints, is_anonymous, kIsAnonymous) | 5829 BOOL_ACCESSORS(SharedFunctionInfo, compiler_hints, is_anonymous, kIsAnonymous) |
5861 BOOL_ACCESSORS(SharedFunctionInfo, compiler_hints, is_function, kIsFunction) | 5830 BOOL_ACCESSORS(SharedFunctionInfo, compiler_hints, is_function, kIsFunction) |
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6293 } | 6262 } |
6294 | 6263 |
6295 | 6264 |
6296 bool JSFunction::is_compiled() { | 6265 bool JSFunction::is_compiled() { |
6297 Builtins* builtins = GetIsolate()->builtins(); | 6266 Builtins* builtins = GetIsolate()->builtins(); |
6298 return code() != builtins->builtin(Builtins::kCompileLazy) && | 6267 return code() != builtins->builtin(Builtins::kCompileLazy) && |
6299 code() != builtins->builtin(Builtins::kCompileOptimized) && | 6268 code() != builtins->builtin(Builtins::kCompileOptimized) && |
6300 code() != builtins->builtin(Builtins::kCompileOptimizedConcurrent); | 6269 code() != builtins->builtin(Builtins::kCompileOptimizedConcurrent); |
6301 } | 6270 } |
6302 | 6271 |
6303 TypeFeedbackVector* JSFunction::feedback_vector() { | 6272 |
6304 LiteralsArray* array = literals(); | 6273 int JSFunction::NumberOfLiterals() { |
6305 return array->feedback_vector(); | 6274 return literals()->length(); |
6306 } | 6275 } |
6307 | 6276 |
6308 int JSFunction::NumberOfLiterals() { return literals()->literals_count(); } | |
6309 | 6277 |
6310 ACCESSORS(JSProxy, target, JSReceiver, kTargetOffset) | 6278 ACCESSORS(JSProxy, target, JSReceiver, kTargetOffset) |
6311 ACCESSORS(JSProxy, handler, Object, kHandlerOffset) | 6279 ACCESSORS(JSProxy, handler, Object, kHandlerOffset) |
6312 ACCESSORS(JSProxy, hash, Object, kHashOffset) | 6280 ACCESSORS(JSProxy, hash, Object, kHashOffset) |
6313 | 6281 |
6314 bool JSProxy::IsRevoked() const { return !handler()->IsJSReceiver(); } | 6282 bool JSProxy::IsRevoked() const { return !handler()->IsJSReceiver(); } |
6315 | 6283 |
6316 ACCESSORS(JSCollection, table, Object, kTableOffset) | 6284 ACCESSORS(JSCollection, table, Object, kTableOffset) |
6317 | 6285 |
6318 | 6286 |
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7875 #undef WRITE_INT64_FIELD | 7843 #undef WRITE_INT64_FIELD |
7876 #undef READ_BYTE_FIELD | 7844 #undef READ_BYTE_FIELD |
7877 #undef WRITE_BYTE_FIELD | 7845 #undef WRITE_BYTE_FIELD |
7878 #undef NOBARRIER_READ_BYTE_FIELD | 7846 #undef NOBARRIER_READ_BYTE_FIELD |
7879 #undef NOBARRIER_WRITE_BYTE_FIELD | 7847 #undef NOBARRIER_WRITE_BYTE_FIELD |
7880 | 7848 |
7881 } // namespace internal | 7849 } // namespace internal |
7882 } // namespace v8 | 7850 } // namespace v8 |
7883 | 7851 |
7884 #endif // V8_OBJECTS_INL_H_ | 7852 #endif // V8_OBJECTS_INL_H_ |
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