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// 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() {
DCHECK(!context().is_null());
return handle(context().native_context(), this);
}
NativeContext Isolate::raw_native_context() {
DCHECK(!context().is_null());
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();
}
bool Isolate::is_catchable_by_wasm(Object exception) {
if (!is_catchable_by_javascript(exception)) return false;
if (!exception.IsJSObject()) return true;
// We don't allocate, but the LookupIterator interface expects a handle.
DisallowHeapAllocation no_gc;
HandleScope handle_scope(this);
LookupIterator it(this, handle(JSReceiver::cast(exception), this),
factory()->wasm_uncatchable_symbol(),
LookupIterator::OWN_SKIP_INTERCEPTOR);
return !JSReceiver::HasProperty(&it).FromJust();
}
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
} // namespace internal
} // namespace v8
#endif // V8_EXECUTION_ISOLATE_INL_H_
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