101 lines
3.0 KiB
C++
101 lines
3.0 KiB
C++
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// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/v8.h"
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#include "src/arguments.h"
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#include "src/runtime/runtime-utils.h"
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namespace v8 {
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namespace internal {
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RUNTIME_FUNCTION(Runtime_CreateSymbol) {
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HandleScope scope(isolate);
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DCHECK(args.length() == 1);
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CONVERT_ARG_HANDLE_CHECKED(Object, name, 0);
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RUNTIME_ASSERT(name->IsString() || name->IsUndefined());
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Handle<Symbol> symbol = isolate->factory()->NewSymbol();
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if (name->IsString()) symbol->set_name(*name);
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return *symbol;
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}
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RUNTIME_FUNCTION(Runtime_CreatePrivateSymbol) {
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HandleScope scope(isolate);
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DCHECK(args.length() == 1);
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CONVERT_ARG_HANDLE_CHECKED(Object, name, 0);
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RUNTIME_ASSERT(name->IsString() || name->IsUndefined());
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Handle<Symbol> symbol = isolate->factory()->NewPrivateSymbol();
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if (name->IsString()) symbol->set_name(*name);
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return *symbol;
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}
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RUNTIME_FUNCTION(Runtime_CreatePrivateOwnSymbol) {
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HandleScope scope(isolate);
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DCHECK(args.length() == 1);
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CONVERT_ARG_HANDLE_CHECKED(Object, name, 0);
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RUNTIME_ASSERT(name->IsString() || name->IsUndefined());
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Handle<Symbol> symbol = isolate->factory()->NewPrivateOwnSymbol();
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if (name->IsString()) symbol->set_name(*name);
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return *symbol;
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}
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RUNTIME_FUNCTION(Runtime_CreateGlobalPrivateOwnSymbol) {
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HandleScope scope(isolate);
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DCHECK(args.length() == 1);
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CONVERT_ARG_HANDLE_CHECKED(String, name, 0);
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Handle<JSObject> registry = isolate->GetSymbolRegistry();
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Handle<String> part = isolate->factory()->private_intern_string();
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Handle<Object> privates;
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ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
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isolate, privates, Object::GetPropertyOrElement(registry, part));
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Handle<Object> symbol;
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ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
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isolate, symbol, Object::GetPropertyOrElement(privates, name));
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if (!symbol->IsSymbol()) {
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DCHECK(symbol->IsUndefined());
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symbol = isolate->factory()->NewPrivateSymbol();
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Handle<Symbol>::cast(symbol)->set_name(*name);
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Handle<Symbol>::cast(symbol)->set_is_own(true);
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JSObject::SetProperty(Handle<JSObject>::cast(privates), name, symbol,
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STRICT).Assert();
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}
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return *symbol;
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}
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RUNTIME_FUNCTION(Runtime_NewSymbolWrapper) {
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HandleScope scope(isolate);
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DCHECK(args.length() == 1);
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CONVERT_ARG_HANDLE_CHECKED(Symbol, symbol, 0);
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return *Object::ToObject(isolate, symbol).ToHandleChecked();
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}
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RUNTIME_FUNCTION(Runtime_SymbolDescription) {
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SealHandleScope shs(isolate);
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DCHECK(args.length() == 1);
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CONVERT_ARG_CHECKED(Symbol, symbol, 0);
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return symbol->name();
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}
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RUNTIME_FUNCTION(Runtime_SymbolRegistry) {
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HandleScope scope(isolate);
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DCHECK(args.length() == 0);
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return *isolate->GetSymbolRegistry();
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}
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RUNTIME_FUNCTION(Runtime_SymbolIsPrivate) {
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SealHandleScope shs(isolate);
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DCHECK(args.length() == 1);
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CONVERT_ARG_CHECKED(Symbol, symbol, 0);
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return isolate->heap()->ToBoolean(symbol->is_private());
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}
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}
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} // namespace v8::internal
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