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C++ NativeMethod::func方法代码示例

本文整理汇总了C++中NativeMethod::func方法的典型用法代码示例。如果您正苦于以下问题:C++ NativeMethod::func方法的具体用法?C++ NativeMethod::func怎么用?C++ NativeMethod::func使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在NativeMethod的用法示例。


在下文中一共展示了NativeMethod::func方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: run_function

  Object* run_function(STATE) {
    NativeMethodEnvironment* env = NativeMethodEnvironment::get();

    Thread* thread = state->vm()->thread();

    NativeMethod* nm = capi::c_as<NativeMethod>(
        thread->variable_get(state, state->symbol("function")));
    Pointer* ptr = capi::c_as<Pointer>(
        thread->variable_get(state, state->symbol("argument")));

    NativeMethodFrame nmf(env, 0, nm);
    CallFrame call_frame;
    call_frame.previous = NULL;
    call_frame.lexical_scope_ = 0;
    call_frame.dispatch_data = (void*)&nmf;
    call_frame.compiled_code = 0;
    call_frame.flags = CallFrame::cNativeMethod;
    call_frame.top_scope_ = 0;
    call_frame.scope = 0;
    call_frame.arguments = 0;

    env->set_current_call_frame(&call_frame);
    env->set_current_native_frame(&nmf);

    state->vm()->set_call_frame(&call_frame);

    nmf.setup(
        env->get_handle(thread),
        env->get_handle(cNil),
        env->get_handle(nm),
        env->get_handle(nm->module()));

    ENTER_CAPI(state);

    Object* value = NULL;

    ExceptionPoint ep(env);

    PLACE_EXCEPTION_POINT(ep);

    if(unlikely(ep.jumped_to())) {
      LEAVE_CAPI(state);

      // Set exception in thread so it's raised when joining.
      state->vm()->thread()->exception(state,
          capi::c_as<Exception>(state->vm()->thread_state()->current_exception()));
    } else {
      value = env->get_object(nm->func()(ptr->pointer));
    }

    LEAVE_CAPI(state);

    env->set_current_call_frame(NULL);
    env->set_current_native_frame(NULL);
    ep.pop(env);

    return value;
  }
开发者ID:JesseChavez,项目名称:rubinius,代码行数:58,代码来源:thread.cpp

示例2: run_function

  Object* run_function(STATE) {
    NativeMethodEnvironment* env = NativeMethodEnvironment::get();

    Thread* self = state->vm()->thread.get();

    NativeMethod* nm = capi::c_as<NativeMethod>(self->locals_aref(state, state->symbol("function")));
    Pointer* ptr = capi::c_as<Pointer>(self->locals_aref(state, state->symbol("argument")));

    self->locals_remove(state, state->symbol("function"));
    self->locals_remove(state, state->symbol("argument"));

    GCTokenImpl gct;

    NativeMethodFrame nmf(env, 0, nm);
    CallFrame cf;
    cf.previous = 0;
    cf.constant_scope_ = 0;
    cf.dispatch_data = (void*)&nmf;
    cf.compiled_code = 0;
    cf.flags = CallFrame::cNativeMethod;
    cf.optional_jit_data = 0;
    cf.top_scope_ = 0;
    cf.scope = 0;
    cf.arguments = 0;

    CallFrame* saved_frame = env->current_call_frame();
    env->set_current_call_frame(&cf);
    env->set_current_native_frame(&nmf);

    nmf.setup(
        env->get_handle(self),
        env->get_handle(cNil),
        env->get_handle(nm),
        env->get_handle(nm->module()));

    {
      OnStack<3> os(state, self, nm, ptr);
      self->hard_unlock(state, gct, &cf);
    }

    ENTER_CAPI(state);

    Object* ret = NULL;

    ExceptionPoint ep(env);

    PLACE_EXCEPTION_POINT(ep);

    if(unlikely(ep.jumped_to())) {
      // Setup exception in thread so it's raised when joining
      // Reload self because it might have been moved
      self = state->vm()->thread.get();
      CallFrame* call_frame = env->current_call_frame();

      {
        OnStack<1> os(state, self);
        self->hard_lock(state, gct, call_frame, false);
        Exception* exc = capi::c_as<Exception>(self->current_exception(state));
        self->exception(state, exc);
        self->alive(state, cFalse);
        self->hard_unlock(state, gct, call_frame);
      }
      return NULL;
    } else {
      ret = env->get_object(nm->func()(ptr->pointer));
    }

    LEAVE_CAPI(state);

    env->set_current_call_frame(saved_frame);
    env->set_current_native_frame(nmf.previous());
    ep.pop(env);

    self = state->vm()->thread.get();

    OnStack<1> os(state, self);

    self->hard_lock(state, gct, &cf, false);
    self->alive(state, cFalse);
    self->hard_unlock(state, gct, &cf);

    return ret;
  }
开发者ID:Locke23rus,项目名称:rubinius,代码行数:83,代码来源:thread.cpp


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