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Mini Shell
Mini Shell
// 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/execution/arguments-inl.h"
#include "src/execution/isolate-inl.h"
#include "src/heap/heap-inl.h" // For ToBoolean. TODO(jkummerow): Drop.
#include "src/objects/objects-inl.h"
#include "src/strings/string-builder-inl.h"
namespace v8 {
namespace internal {
RUNTIME_FUNCTION(Runtime_CreatePrivateSymbol) {
HandleScope scope(isolate);
DCHECK_GE(1, args.length());
Handle<Symbol> symbol = isolate->factory()->NewPrivateSymbol();
if (args.length() == 1) {
Handle<Object> description = args.at(0);
CHECK(IsString(*description) || IsUndefined(*description, isolate));
if (IsString(*description))
symbol->set_description(String::cast(*description));
}
return *symbol;
}
RUNTIME_FUNCTION(Runtime_CreatePrivateBrandSymbol) {
HandleScope scope(isolate);
DCHECK_EQ(1, args.length());
Handle<String> name = args.at<String>(0);
Handle<Symbol> symbol = isolate->factory()->NewPrivateNameSymbol(name);
symbol->set_is_private_brand();
return *symbol;
}
RUNTIME_FUNCTION(Runtime_CreatePrivateNameSymbol) {
HandleScope scope(isolate);
DCHECK_EQ(1, args.length());
Handle<String> name = args.at<String>(0);
Handle<Symbol> symbol = isolate->factory()->NewPrivateNameSymbol(name);
return *symbol;
}
RUNTIME_FUNCTION(Runtime_SymbolDescriptiveString) {
HandleScope scope(isolate);
DCHECK_EQ(1, args.length());
Handle<Symbol> symbol = args.at<Symbol>(0);
IncrementalStringBuilder builder(isolate);
builder.AppendCStringLiteral("Symbol(");
if (IsString(symbol->description())) {
builder.AppendString(handle(String::cast(symbol->description()), isolate));
}
builder.AppendCharacter(')');
RETURN_RESULT_OR_FAILURE(isolate, builder.Finish());
}
RUNTIME_FUNCTION(Runtime_SymbolIsPrivate) {
SealHandleScope shs(isolate);
DCHECK_EQ(1, args.length());
auto symbol = Symbol::cast(args[0]);
return isolate->heap()->ToBoolean(symbol->is_private());
}
} // namespace internal
} // namespace v8
Zerion Mini Shell 1.0