// 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/runtime/runtime-utils.h" #include "src/arguments.h" #include "src/isolate-inl.h" #include "src/objects-inl.h" #include "src/string-builder.h" namespace v8 { namespace internal { RUNTIME_FUNCTION(Runtime_CreateSymbol) { HandleScope scope(isolate); DCHECK_EQ(1, args.length()); CONVERT_ARG_HANDLE_CHECKED(Object, name, 0); CHECK(name->IsString() || name->IsUndefined(isolate)); Handle<Symbol> symbol = isolate->factory()->NewSymbol(); if (name->IsString()) symbol->set_name(*name); return *symbol; } RUNTIME_FUNCTION(Runtime_CreatePrivateSymbol) { HandleScope scope(isolate); DCHECK_EQ(1, args.length()); CONVERT_ARG_HANDLE_CHECKED(Object, name, 0); CHECK(name->IsString() || name->IsUndefined(isolate)); Handle<Symbol> symbol = isolate->factory()->NewPrivateSymbol(); if (name->IsString()) symbol->set_name(*name); return *symbol; } RUNTIME_FUNCTION(Runtime_SymbolDescription) { SealHandleScope shs(isolate); DCHECK_EQ(1, args.length()); CONVERT_ARG_CHECKED(Symbol, symbol, 0); return symbol->name(); } RUNTIME_FUNCTION(Runtime_SymbolDescriptiveString) { HandleScope scope(isolate); DCHECK_EQ(1, args.length()); CONVERT_ARG_HANDLE_CHECKED(Symbol, symbol, 0); IncrementalStringBuilder builder(isolate); builder.AppendCString("Symbol("); if (symbol->name()->IsString()) { builder.AppendString(handle(String::cast(symbol->name()), isolate)); } builder.AppendCharacter(')'); RETURN_RESULT_OR_FAILURE(isolate, builder.Finish()); } RUNTIME_FUNCTION(Runtime_SymbolIsPrivate) { SealHandleScope shs(isolate); DCHECK_EQ(1, args.length()); CONVERT_ARG_CHECKED(Symbol, symbol, 0); return isolate->heap()->ToBoolean(symbol->is_private()); } } // namespace internal } // namespace v8