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_