Split yet more runtime functions into separate files.

src/runtime/runtime-symbol.cc

+// 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.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