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// 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/objects-inl.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());
return *isolate->factory()->NewPrivateSymbol(name);
}
RUNTIME_FUNCTION(Runtime_CreateGlobalPrivateSymbol) {
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::GetProperty(registry, part));
Handle<Object> symbol;
ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, symbol,
Object::GetProperty(privates, name));
if (!symbol->IsSymbol()) {
DCHECK(symbol->IsUndefined());
symbol = isolate->factory()->NewPrivateSymbol(name);
JSObject::AddProperty(Handle<JSObject>::cast(privates), name, symbol, NONE);
}
return *symbol;
}
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 internal
} // namespace v8
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