| // 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. |
| |
| #include "src/runtime/runtime-utils.h" |
| |
| #include "src/arguments.h" |
| #include "src/isolate-inl.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| |
| RUNTIME_FUNCTION(Runtime_InterpreterEquals) { |
| HandleScope scope(isolate); |
| DCHECK_EQ(2, args.length()); |
| CONVERT_ARG_HANDLE_CHECKED(Object, x, 0); |
| CONVERT_ARG_HANDLE_CHECKED(Object, y, 1); |
| Maybe<bool> result = Object::Equals(x, y); |
| if (result.IsJust()) { |
| return isolate->heap()->ToBoolean(result.FromJust()); |
| } else { |
| return isolate->heap()->exception(); |
| } |
| } |
| |
| |
| RUNTIME_FUNCTION(Runtime_InterpreterNotEquals) { |
| HandleScope scope(isolate); |
| DCHECK_EQ(2, args.length()); |
| CONVERT_ARG_HANDLE_CHECKED(Object, x, 0); |
| CONVERT_ARG_HANDLE_CHECKED(Object, y, 1); |
| Maybe<bool> result = Object::Equals(x, y); |
| if (result.IsJust()) { |
| return isolate->heap()->ToBoolean(!result.FromJust()); |
| } else { |
| return isolate->heap()->exception(); |
| } |
| } |
| |
| |
| RUNTIME_FUNCTION(Runtime_InterpreterLessThan) { |
| HandleScope scope(isolate); |
| DCHECK_EQ(2, args.length()); |
| CONVERT_ARG_HANDLE_CHECKED(Object, x, 0); |
| CONVERT_ARG_HANDLE_CHECKED(Object, y, 1); |
| Maybe<bool> result = Object::LessThan(x, y); |
| if (result.IsJust()) { |
| return isolate->heap()->ToBoolean(result.FromJust()); |
| } else { |
| return isolate->heap()->exception(); |
| } |
| } |
| |
| |
| RUNTIME_FUNCTION(Runtime_InterpreterGreaterThan) { |
| HandleScope scope(isolate); |
| DCHECK_EQ(2, args.length()); |
| CONVERT_ARG_HANDLE_CHECKED(Object, x, 0); |
| CONVERT_ARG_HANDLE_CHECKED(Object, y, 1); |
| Maybe<bool> result = Object::GreaterThan(x, y); |
| if (result.IsJust()) { |
| return isolate->heap()->ToBoolean(result.FromJust()); |
| } else { |
| return isolate->heap()->exception(); |
| } |
| } |
| |
| |
| RUNTIME_FUNCTION(Runtime_InterpreterLessThanOrEqual) { |
| HandleScope scope(isolate); |
| DCHECK_EQ(2, args.length()); |
| CONVERT_ARG_HANDLE_CHECKED(Object, x, 0); |
| CONVERT_ARG_HANDLE_CHECKED(Object, y, 1); |
| Maybe<bool> result = Object::LessThanOrEqual(x, y); |
| if (result.IsJust()) { |
| return isolate->heap()->ToBoolean(result.FromJust()); |
| } else { |
| return isolate->heap()->exception(); |
| } |
| } |
| |
| |
| RUNTIME_FUNCTION(Runtime_InterpreterGreaterThanOrEqual) { |
| HandleScope scope(isolate); |
| DCHECK_EQ(2, args.length()); |
| CONVERT_ARG_HANDLE_CHECKED(Object, x, 0); |
| CONVERT_ARG_HANDLE_CHECKED(Object, y, 1); |
| Maybe<bool> result = Object::GreaterThanOrEqual(x, y); |
| if (result.IsJust()) { |
| return isolate->heap()->ToBoolean(result.FromJust()); |
| } else { |
| return isolate->heap()->exception(); |
| } |
| } |
| |
| |
| RUNTIME_FUNCTION(Runtime_InterpreterStrictEquals) { |
| SealHandleScope shs(isolate); |
| DCHECK_EQ(2, args.length()); |
| CONVERT_ARG_CHECKED(Object, x, 0); |
| CONVERT_ARG_CHECKED(Object, y, 1); |
| return isolate->heap()->ToBoolean(x->StrictEquals(y)); |
| } |
| |
| |
| RUNTIME_FUNCTION(Runtime_InterpreterStrictNotEquals) { |
| SealHandleScope shs(isolate); |
| DCHECK_EQ(2, args.length()); |
| CONVERT_ARG_CHECKED(Object, x, 0); |
| CONVERT_ARG_CHECKED(Object, y, 1); |
| return isolate->heap()->ToBoolean(!x->StrictEquals(y)); |
| } |
| |
| |
| RUNTIME_FUNCTION(Runtime_InterpreterToBoolean) { |
| SealHandleScope shs(isolate); |
| DCHECK_EQ(1, args.length()); |
| CONVERT_ARG_CHECKED(Object, x, 0); |
| return isolate->heap()->ToBoolean(x->BooleanValue()); |
| } |
| |
| |
| RUNTIME_FUNCTION(Runtime_InterpreterLogicalNot) { |
| SealHandleScope shs(isolate); |
| DCHECK_EQ(1, args.length()); |
| CONVERT_ARG_CHECKED(Object, x, 0); |
| return isolate->heap()->ToBoolean(!x->BooleanValue()); |
| } |
| |
| |
| RUNTIME_FUNCTION(Runtime_InterpreterTypeOf) { |
| SealHandleScope shs(isolate); |
| DCHECK_EQ(1, args.length()); |
| CONVERT_ARG_HANDLE_CHECKED(Object, x, 0); |
| return Object::cast(*Object::TypeOf(isolate, x)); |
| } |
| |
| |
| RUNTIME_FUNCTION(Runtime_InterpreterNewClosure) { |
| HandleScope scope(isolate); |
| DCHECK_EQ(2, args.length()); |
| CONVERT_ARG_HANDLE_CHECKED(SharedFunctionInfo, shared, 0); |
| CONVERT_SMI_ARG_CHECKED(pretenured_flag, 1); |
| Handle<Context> context(isolate->context(), isolate); |
| return *isolate->factory()->NewFunctionFromSharedFunctionInfo( |
| shared, context, static_cast<PretenureFlag>(pretenured_flag)); |
| } |
| |
| |
| RUNTIME_FUNCTION(Runtime_InterpreterForInPrepare) { |
| HandleScope scope(isolate); |
| DCHECK_EQ(1, args.length()); |
| CONVERT_ARG_HANDLE_CHECKED(JSReceiver, receiver, 0); |
| |
| Object* property_names = Runtime_GetPropertyNamesFast( |
| 1, Handle<Object>::cast(receiver).location(), isolate); |
| if (isolate->has_pending_exception()) { |
| return property_names; |
| } |
| |
| Handle<Object> cache_type(property_names, isolate); |
| Handle<FixedArray> cache_array; |
| int cache_length; |
| |
| Handle<Map> receiver_map = handle(receiver->map(), isolate); |
| if (cache_type->IsMap()) { |
| Handle<Map> cache_type_map = |
| handle(Handle<Map>::cast(cache_type)->map(), isolate); |
| DCHECK(cache_type_map.is_identical_to(isolate->factory()->meta_map())); |
| int enum_length = cache_type_map->EnumLength(); |
| DescriptorArray* descriptors = receiver_map->instance_descriptors(); |
| if (enum_length > 0 && descriptors->HasEnumCache()) { |
| cache_array = handle(descriptors->GetEnumCache(), isolate); |
| cache_length = cache_array->length(); |
| } else { |
| cache_array = isolate->factory()->empty_fixed_array(); |
| cache_length = 0; |
| } |
| } else { |
| cache_array = Handle<FixedArray>::cast(cache_type); |
| cache_length = cache_array->length(); |
| |
| STATIC_ASSERT(JS_PROXY_TYPE == FIRST_JS_RECEIVER_TYPE); |
| if (receiver_map->instance_type() == JS_PROXY_TYPE) { |
| // Zero indicates proxy |
| cache_type = Handle<Object>(Smi::FromInt(0), isolate); |
| } else { |
| // One entails slow check |
| cache_type = Handle<Object>(Smi::FromInt(1), isolate); |
| } |
| } |
| |
| Handle<FixedArray> result = isolate->factory()->NewFixedArray(3); |
| result->set(0, *cache_type); |
| result->set(1, *cache_array); |
| result->set(2, Smi::FromInt(cache_length)); |
| return *result; |
| } |
| |
| } // namespace internal |
| } // namespace v8 |