chromium/v8/src/builtins/builtins-utils.h

// Copyright 2016 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.

#ifndef V8_BUILTINS_BUILTINS_UTILS_H_
#define V8_BUILTINS_BUILTINS_UTILS_H_

#include "src/base/logging.h"
#include "src/builtins/builtins.h"
#include "src/execution/arguments.h"
#include "src/execution/frame-constants.h"
#include "src/execution/isolate.h"
#include "src/heap/factory.h"
#include "src/logging/runtime-call-stats-scope.h"

namespace v8 {
namespace internal {

// Arguments object passed to C++ builtins.
class BuiltinArguments : public JavaScriptArguments { … };

#define ASSERT_OFFSET …
ASSERT_OFFSET …;
ASSERT_OFFSET …;
ASSERT_OFFSET …;
ASSERT_OFFSET …;
ASSERT_OFFSET …;
#undef ASSERT_OFFSET

static_assert …;
static_assert …;

// ----------------------------------------------------------------------------
// Support macro for defining builtins in C++.
// ----------------------------------------------------------------------------
//
// A builtin function is defined by writing:
//
//   BUILTIN(name) {
//     ...
//   }
//
// In the body of the builtin function the arguments can be accessed
// through the BuiltinArguments object args.
// TODO(cbruni): add global flag to check whether any tracing events have been
// enabled.
#define BUILTIN_RCS(name) …

#define BUILTIN_NO_RCS(name) …

#ifdef V8_RUNTIME_CALL_STATS
#define BUILTIN(name) …
#else  // V8_RUNTIME_CALL_STATS
#define BUILTIN …
#endif  // V8_RUNTIME_CALL_STATS
// ----------------------------------------------------------------------------

#define CHECK_RECEIVER(Type, name, method) …

// Throws a TypeError for {method} if the receiver is not coercible to Object,
// or converts the receiver to a String otherwise and assigns it to a new var
// with the given {name}.
#define TO_THIS_STRING(name, method) …

}  // namespace internal
}  // namespace v8

#endif  // V8_BUILTINS_BUILTINS_UTILS_H_