| // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #ifndef RUNTIME_VM_NATIVE_FUNCTION_H_ |
| #define RUNTIME_VM_NATIVE_FUNCTION_H_ |
| |
| #include "vm/allocation.h" |
| |
| #include "include/dart_api.h" |
| |
| namespace dart { |
| |
| // Forward declarations. |
| class NativeArguments; |
| |
| // We have three variants of native functions: |
| // - bootstrap natives, which are called directly from stub code. The callee is |
| // responsible for safepoint transitions and setting up handle scopes as |
| // needed. Only VM-defined natives are bootstrap natives; they cannot be |
| // defined by embedders or native extensions. |
| // - no scope natives, which are called through a wrapper function. The wrapper |
| // function handles the safepoint transition. The callee is responsible for |
| // setting up API scopes as needed. |
| // - auto scope natives, which are called through a wrapper function. The |
| // wrapper function handles the safepoint transition and sets up an API |
| // scope. |
| |
| typedef void (*NativeFunction)(NativeArguments* arguments); |
| typedef void (*NativeFunctionWrapper)(Dart_NativeArguments args, |
| Dart_NativeFunction func); |
| |
| } // namespace dart |
| |
| #endif // RUNTIME_VM_NATIVE_FUNCTION_H_ |