���� JFIF �� � ( %"1"%)+...383,7(-.-
![]() Server : Apache/2.4.6 (CentOS) OpenSSL/1.0.2k-fips PHP/7.4.20 System : Linux st2.domain.com 3.10.0-1127.10.1.el7.x86_64 #1 SMP Wed Jun 3 14:28:03 UTC 2020 x86_64 User : apache ( 48) PHP Version : 7.4.20 Disable Function : NONE Directory : /proc/self/root/home/real/node-v13.0.1/deps/v8/src/execution/ |
// Copyright 2015 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef V8_EXECUTION_ISOLATE_INL_H_ #define V8_EXECUTION_ISOLATE_INL_H_ #include "src/execution/isolate.h" #include "src/objects/cell-inl.h" #include "src/objects/objects-inl.h" #include "src/objects/oddball.h" #include "src/objects/property-cell.h" #include "src/objects/regexp-match-info.h" #include "src/objects/shared-function-info.h" namespace v8 { namespace internal { IsolateAllocationMode Isolate::isolate_allocation_mode() { return isolate_allocator_->mode(); } void Isolate::set_context(Context context) { DCHECK(context.is_null() || context.IsContext()); thread_local_top()->context_ = context; } Handle<NativeContext> Isolate::native_context() { return handle(context().native_context(), this); } NativeContext Isolate::raw_native_context() { return context().native_context(); } Object Isolate::pending_exception() { DCHECK(has_pending_exception()); DCHECK(!thread_local_top()->pending_exception_.IsException(this)); return thread_local_top()->pending_exception_; } void Isolate::set_pending_exception(Object exception_obj) { DCHECK(!exception_obj.IsException(this)); thread_local_top()->pending_exception_ = exception_obj; } void Isolate::clear_pending_exception() { DCHECK(!thread_local_top()->pending_exception_.IsException(this)); thread_local_top()->pending_exception_ = ReadOnlyRoots(this).the_hole_value(); } bool Isolate::has_pending_exception() { DCHECK(!thread_local_top()->pending_exception_.IsException(this)); return !thread_local_top()->pending_exception_.IsTheHole(this); } void Isolate::clear_pending_message() { thread_local_top()->pending_message_obj_ = ReadOnlyRoots(this).the_hole_value(); } Object Isolate::scheduled_exception() { DCHECK(has_scheduled_exception()); DCHECK(!thread_local_top()->scheduled_exception_.IsException(this)); return thread_local_top()->scheduled_exception_; } bool Isolate::has_scheduled_exception() { DCHECK(!thread_local_top()->scheduled_exception_.IsException(this)); return thread_local_top()->scheduled_exception_ != ReadOnlyRoots(this).the_hole_value(); } void Isolate::clear_scheduled_exception() { DCHECK(!thread_local_top()->scheduled_exception_.IsException(this)); thread_local_top()->scheduled_exception_ = ReadOnlyRoots(this).the_hole_value(); } bool Isolate::is_catchable_by_javascript(Object exception) { return exception != ReadOnlyRoots(heap()).termination_exception(); } void Isolate::FireBeforeCallEnteredCallback() { for (auto& callback : before_call_entered_callbacks_) { callback(reinterpret_cast<v8::Isolate*>(this)); } } Handle<JSGlobalObject> Isolate::global_object() { return handle(context().global_object(), this); } Handle<JSGlobalProxy> Isolate::global_proxy() { return handle(context().global_proxy(), this); } Isolate::ExceptionScope::ExceptionScope(Isolate* isolate) : isolate_(isolate), pending_exception_(isolate_->pending_exception(), isolate_) {} Isolate::ExceptionScope::~ExceptionScope() { isolate_->set_pending_exception(*pending_exception_); } #define NATIVE_CONTEXT_FIELD_ACCESSOR(index, type, name) \ Handle<type> Isolate::name() { \ return Handle<type>(raw_native_context().name(), this); \ } \ bool Isolate::is_##name(type value) { \ return raw_native_context().is_##name(value); \ } NATIVE_CONTEXT_FIELDS(NATIVE_CONTEXT_FIELD_ACCESSOR) #undef NATIVE_CONTEXT_FIELD_ACCESSOR bool Isolate::IsArrayConstructorIntact() { Cell array_constructor_cell = Cell::cast(root(RootIndex::kArrayConstructorProtector)); return array_constructor_cell.value() == Smi::FromInt(kProtectorValid); } bool Isolate::IsTypedArraySpeciesLookupChainIntact() { PropertyCell species_cell = PropertyCell::cast(root(RootIndex::kTypedArraySpeciesProtector)); return species_cell.value().IsSmi() && Smi::ToInt(species_cell.value()) == kProtectorValid; } bool Isolate::IsPromiseSpeciesLookupChainIntact() { PropertyCell species_cell = PropertyCell::cast(root(RootIndex::kPromiseSpeciesProtector)); return species_cell.value().IsSmi() && Smi::ToInt(species_cell.value()) == kProtectorValid; } bool Isolate::IsStringLengthOverflowIntact() { Cell string_length_cell = Cell::cast(root(RootIndex::kStringLengthProtector)); return string_length_cell.value() == Smi::FromInt(kProtectorValid); } bool Isolate::IsArrayBufferDetachingIntact() { PropertyCell buffer_detaching = PropertyCell::cast(root(RootIndex::kArrayBufferDetachingProtector)); return buffer_detaching.value() == Smi::FromInt(kProtectorValid); } bool Isolate::IsArrayIteratorLookupChainIntact() { PropertyCell array_iterator_cell = PropertyCell::cast(root(RootIndex::kArrayIteratorProtector)); return array_iterator_cell.value() == Smi::FromInt(kProtectorValid); } bool Isolate::IsMapIteratorLookupChainIntact() { PropertyCell map_iterator_cell = PropertyCell::cast(root(RootIndex::kMapIteratorProtector)); return map_iterator_cell.value() == Smi::FromInt(kProtectorValid); } bool Isolate::IsSetIteratorLookupChainIntact() { PropertyCell set_iterator_cell = PropertyCell::cast(root(RootIndex::kSetIteratorProtector)); return set_iterator_cell.value() == Smi::FromInt(kProtectorValid); } bool Isolate::IsStringIteratorLookupChainIntact() { PropertyCell string_iterator_cell = PropertyCell::cast(root(RootIndex::kStringIteratorProtector)); return string_iterator_cell.value() == Smi::FromInt(kProtectorValid); } } // namespace internal } // namespace v8 #endif // V8_EXECUTION_ISOLATE_INL_H_