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// Copyright 2018 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.
#include "src/api-arguments.h"
#include "src/api-arguments-inl.h"
namespace v8 {
namespace internal {
PropertyCallbackArguments::PropertyCallbackArguments(Isolate* isolate,
Object* data, Object* self,
JSObject* holder,
ShouldThrow should_throw)
: Super(isolate) {
Object** values = this->begin();
values[T::kThisIndex] = self;
values[T::kHolderIndex] = holder;
values[T::kDataIndex] = data;
values[T::kIsolateIndex] = reinterpret_cast<Object*>(isolate);
values[T::kShouldThrowOnErrorIndex] =
Smi::FromInt(should_throw == kThrowOnError ? 1 : 0);
// Here the hole is set as default value.
// It cannot escape into js as it's removed in Call below.
HeapObject* the_hole = ReadOnlyRoots(isolate).the_hole_value();
values[T::kReturnValueDefaultValueIndex] = the_hole;
values[T::kReturnValueIndex] = the_hole;
DCHECK(values[T::kHolderIndex]->IsHeapObject());
DCHECK(values[T::kIsolateIndex]->IsSmi());
}
FunctionCallbackArguments::FunctionCallbackArguments(
internal::Isolate* isolate, internal::Object* data,
internal::HeapObject* callee, internal::Object* holder,
internal::HeapObject* new_target, internal::Object** argv, int argc)
: Super(isolate), argv_(argv), argc_(argc) {
Object** values = begin();
values[T::kDataIndex] = data;
values[T::kHolderIndex] = holder;
values[T::kNewTargetIndex] = new_target;
values[T::kIsolateIndex] = reinterpret_cast<internal::Object*>(isolate);
// Here the hole is set as default value.
// It cannot escape into js as it's remove in Call below.
HeapObject* the_hole = ReadOnlyRoots(isolate).the_hole_value();
values[T::kReturnValueDefaultValueIndex] = the_hole;
values[T::kReturnValueIndex] = the_hole;
DCHECK(values[T::kHolderIndex]->IsHeapObject());
DCHECK(values[T::kIsolateIndex]->IsSmi());
}
} // namespace internal
} // namespace v8
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