CSE2410 Fall 2014 Bounce

// Copyright 2013 the V8 project authors. All rights reserved.

// Redistribution and use in source and binary forms, with or without

// modification, are permitted provided that the following conditions are

// met:

//

//     * Redistributions of source code must retain the above copyright

//       notice, this list of conditions and the following disclaimer.

//     * Redistributions in binary form must reproduce the above

//       copyright notice, this list of conditions and the following

//       disclaimer in the documentation and/or other materials provided

//       with the distribution.

//     * Neither the name of Google Inc. nor the names of its

//       contributors may be used to endorse or promote products derived

//       from this software without specific prior written permission.

//

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#include "v8.h"

#include "arguments.h"

#include "vm-state-inl.h"

namespace v8 {

namespace internal {

template<typename T>

template<typename V>

v8::Handle<V> CustomArguments<T>::GetReturnValue(Isolate* isolate) {

  // Check the ReturnValue.

  Object** handle = &this->begin()[kReturnValueOffset];

  // Nothing was set, return empty handle as per previous behaviour.

  if ((*handle)->IsTheHole()) return v8::Handle<V>();

  return Utils::Convert<Object, V>(Handle<Object>(handle));

}

v8::Handle<v8::Value> FunctionCallbackArguments::Call(FunctionCallback f) {

  Isolate* isolate = this->isolate();

  VMState<EXTERNAL> state(isolate);

  ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f));

  FunctionCallbackInfo<v8::Value> info(begin(),

                                       argv_,

                                       argc_,

                                       is_construct_call_);

  f(info);

  return GetReturnValue<v8::Value>(isolate);

}

#define WRITE_CALL_0(Function, ReturnValue)                                    \

v8::Handle<ReturnValue> PropertyCallbackArguments::Call(Function f) {          \

  Isolate* isolate = this->isolate();                                          \

  VMState<EXTERNAL> state(isolate);                                            \

  ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f));                 \

  PropertyCallbackInfo<ReturnValue> info(begin());                             \

  f(info);                                                                     \

  return GetReturnValue<ReturnValue>(isolate);                                 \

}

#define WRITE_CALL_1(Function, ReturnValue, Arg1)                              \

v8::Handle<ReturnValue> PropertyCallbackArguments::Call(Function f,            \

                                                        Arg1 arg1) {           \

  Isolate* isolate = this->isolate();                                          \

  VMState<EXTERNAL> state(isolate);                                            \

  ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f));                 \

  PropertyCallbackInfo<ReturnValue> info(begin());                             \

  f(arg1, info);                                                               \

  return GetReturnValue<ReturnValue>(isolate);                                 \

}

#define WRITE_CALL_2(Function, ReturnValue, Arg1, Arg2)                        \

v8::Handle<ReturnValue> PropertyCallbackArguments::Call(Function f,            \

                                                        Arg1 arg1,             \

                                                        Arg2 arg2) {           \

  Isolate* isolate = this->isolate();                                          \

  VMState<EXTERNAL> state(isolate);                                            \

  ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f));                 \

  PropertyCallbackInfo<ReturnValue> info(begin());                             \

  f(arg1, arg2, info);                                                         \

  return GetReturnValue<ReturnValue>(isolate);                                 \

}

#define WRITE_CALL_2_VOID(Function, ReturnValue, Arg1, Arg2)                   \

void PropertyCallbackArguments::Call(Function f,                               \

                                     Arg1 arg1,                                \

                                     Arg2 arg2) {                              \

  Isolate* isolate = this->isolate();                                          \

  VMState<EXTERNAL> state(isolate);                                            \

  ExternalCallbackScope call_scope(isolate, FUNCTION_ADDR(f));                 \

  PropertyCallbackInfo<ReturnValue> info(begin());                             \

  f(arg1, arg2, info);                                                         \

}

FOR_EACH_CALLBACK_TABLE_MAPPING_0(WRITE_CALL_0)

FOR_EACH_CALLBACK_TABLE_MAPPING_1(WRITE_CALL_1)

FOR_EACH_CALLBACK_TABLE_MAPPING_2(WRITE_CALL_2)

FOR_EACH_CALLBACK_TABLE_MAPPING_2_VOID_RETURN(WRITE_CALL_2_VOID)

#undef WRITE_CALL_0

#undef WRITE_CALL_1

#undef WRITE_CALL_2

#undef WRITE_CALL_2_VOID

} }  // namespace v8::internal