| // Copyright 2013 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/v8.h" |
| |
| #include "src/arguments.h" |
| #include "src/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 |
| |
| |
| double ClobberDoubleRegisters(double x1, double x2, double x3, double x4) { |
| // TODO(ulan): This clobbers only subset of registers depending on compiler, |
| // Rewrite this in assembly to really clobber all registers. |
| // GCC for ia32 uses the FPU and does not touch XMM registers. |
| return x1 * 1.01 + x2 * 2.02 + x3 * 3.03 + x4 * 4.04; |
| } |
| |
| |
| } } // namespace v8::internal |