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// Copyright 2016 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/builtins/accessors.h"
#include "src/builtins/builtins-utils-inl.h"
#include "src/builtins/builtins.h"
#include "src/execution/isolate-inl.h"
#include "src/execution/messages.h"
#include "src/logging/counters.h"
#include "src/objects/api-callbacks.h"
#include "src/objects/objects-inl.h"
#include "src/objects/property-descriptor.h"
namespace v8 {
namespace internal {
// ES6 section 19.5.1.1 Error ( message )
BUILTIN(ErrorConstructor) {
HandleScope scope(isolate);
Handle<Object> options = args.atOrUndefined(isolate, 2);
RETURN_RESULT_OR_FAILURE(
isolate, ErrorUtils::Construct(isolate, args.target(), args.new_target(),
args.atOrUndefined(isolate, 1), options));
}
// static
BUILTIN(ErrorCaptureStackTrace) {
HandleScope scope(isolate);
Handle<Object> object_obj = args.atOrUndefined(isolate, 1);
isolate->CountUsage(v8::Isolate::kErrorCaptureStackTrace);
if (!object_obj->IsJSObject()) {
THROW_NEW_ERROR_RETURN_FAILURE(
isolate, NewTypeError(MessageTemplate::kInvalidArgument, object_obj));
}
Handle<JSObject> object = Handle<JSObject>::cast(object_obj);
Handle<Object> caller = args.atOrUndefined(isolate, 2);
FrameSkipMode mode = caller->IsJSFunction() ? SKIP_UNTIL_SEEN : SKIP_FIRST;
// Collect the stack trace.
RETURN_FAILURE_ON_EXCEPTION(
isolate, isolate->CaptureAndSetErrorStack(object, mode, caller));
// Add the stack accessors.
Handle<AccessorInfo> error_stack = isolate->factory()->error_stack_accessor();
Handle<Name> name(Name::cast(error_stack->name()), isolate);
// Explicitly check for frozen objects. Other access checks are performed by
// the LookupIterator in SetAccessor below.
if (!JSObject::IsExtensible(object)) {
return isolate->Throw(*isolate->factory()->NewTypeError(
MessageTemplate::kDefineDisallowed, name));
}
RETURN_FAILURE_ON_EXCEPTION(
isolate, JSObject::SetAccessor(object, name, error_stack, DONT_ENUM));
return ReadOnlyRoots(isolate).undefined_value();
}
// ES6 section 19.5.3.4 Error.prototype.toString ( )
BUILTIN(ErrorPrototypeToString) {
HandleScope scope(isolate);
RETURN_RESULT_OR_FAILURE(isolate,
ErrorUtils::ToString(isolate, args.receiver()));
}
} // namespace internal
} // namespace v8
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