| // Copyright 2014 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/v8.h" |
| |
| #include "src/arguments.h" |
| #include "src/runtime/runtime-utils.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| RUNTIME_FUNCTION(Runtime_CreateSymbol) { |
| HandleScope scope(isolate); |
| DCHECK(args.length() == 1); |
| CONVERT_ARG_HANDLE_CHECKED(Object, name, 0); |
| RUNTIME_ASSERT(name->IsString() || name->IsUndefined()); |
| Handle<Symbol> symbol = isolate->factory()->NewSymbol(); |
| if (name->IsString()) symbol->set_name(*name); |
| return *symbol; |
| } |
| |
| |
| RUNTIME_FUNCTION(Runtime_CreatePrivateSymbol) { |
| HandleScope scope(isolate); |
| DCHECK(args.length() == 1); |
| CONVERT_ARG_HANDLE_CHECKED(Object, name, 0); |
| RUNTIME_ASSERT(name->IsString() || name->IsUndefined()); |
| Handle<Symbol> symbol = isolate->factory()->NewPrivateSymbol(); |
| if (name->IsString()) symbol->set_name(*name); |
| return *symbol; |
| } |
| |
| |
| RUNTIME_FUNCTION(Runtime_CreatePrivateOwnSymbol) { |
| HandleScope scope(isolate); |
| DCHECK(args.length() == 1); |
| CONVERT_ARG_HANDLE_CHECKED(Object, name, 0); |
| RUNTIME_ASSERT(name->IsString() || name->IsUndefined()); |
| Handle<Symbol> symbol = isolate->factory()->NewPrivateOwnSymbol(); |
| if (name->IsString()) symbol->set_name(*name); |
| return *symbol; |
| } |
| |
| |
| RUNTIME_FUNCTION(Runtime_CreateGlobalPrivateOwnSymbol) { |
| HandleScope scope(isolate); |
| DCHECK(args.length() == 1); |
| CONVERT_ARG_HANDLE_CHECKED(String, name, 0); |
| Handle<JSObject> registry = isolate->GetSymbolRegistry(); |
| Handle<String> part = isolate->factory()->private_intern_string(); |
| Handle<Object> privates; |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
| isolate, privates, Object::GetPropertyOrElement(registry, part)); |
| Handle<Object> symbol; |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
| isolate, symbol, Object::GetPropertyOrElement(privates, name)); |
| if (!symbol->IsSymbol()) { |
| DCHECK(symbol->IsUndefined()); |
| symbol = isolate->factory()->NewPrivateSymbol(); |
| Handle<Symbol>::cast(symbol)->set_name(*name); |
| Handle<Symbol>::cast(symbol)->set_is_own(true); |
| JSObject::SetProperty(Handle<JSObject>::cast(privates), name, symbol, |
| STRICT).Assert(); |
| } |
| return *symbol; |
| } |
| |
| |
| RUNTIME_FUNCTION(Runtime_NewSymbolWrapper) { |
| HandleScope scope(isolate); |
| DCHECK(args.length() == 1); |
| CONVERT_ARG_HANDLE_CHECKED(Symbol, symbol, 0); |
| return *Object::ToObject(isolate, symbol).ToHandleChecked(); |
| } |
| |
| |
| RUNTIME_FUNCTION(Runtime_SymbolDescription) { |
| SealHandleScope shs(isolate); |
| DCHECK(args.length() == 1); |
| CONVERT_ARG_CHECKED(Symbol, symbol, 0); |
| return symbol->name(); |
| } |
| |
| |
| RUNTIME_FUNCTION(Runtime_SymbolRegistry) { |
| HandleScope scope(isolate); |
| DCHECK(args.length() == 0); |
| return *isolate->GetSymbolRegistry(); |
| } |
| |
| |
| RUNTIME_FUNCTION(Runtime_SymbolIsPrivate) { |
| SealHandleScope shs(isolate); |
| DCHECK(args.length() == 1); |
| CONVERT_ARG_CHECKED(Symbol, symbol, 0); |
| return isolate->heap()->ToBoolean(symbol->is_private()); |
| } |
| } |
| } // namespace v8::internal |