diff options
Diffstat (limited to 'xfa/src/fxjse/value.cpp')
| -rw-r--r-- | xfa/src/fxjse/value.cpp | 582 |
1 files changed, 582 insertions, 0 deletions
diff --git a/xfa/src/fxjse/value.cpp b/xfa/src/fxjse/value.cpp new file mode 100644 index 0000000000..f7b04092d3 --- /dev/null +++ b/xfa/src/fxjse/value.cpp @@ -0,0 +1,582 @@ +// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#include "xfa/src/fxjse/value.h" + +#include <math.h> + +#include "xfa/src/fxjse/class.h" +#include "xfa/src/fxjse/util_inline.h" + +FX_BOOL FXJSE_Value_IsUndefined(FXJSE_HVALUE hValue) { + CFXJSE_Value* lpValue = reinterpret_cast<CFXJSE_Value*>(hValue); + return lpValue && lpValue->IsUndefined(); +} + +FX_BOOL FXJSE_Value_IsNull(FXJSE_HVALUE hValue) { + CFXJSE_Value* lpValue = reinterpret_cast<CFXJSE_Value*>(hValue); + return lpValue && lpValue->IsNull(); +} + +FX_BOOL FXJSE_Value_IsBoolean(FXJSE_HVALUE hValue) { + CFXJSE_Value* lpValue = reinterpret_cast<CFXJSE_Value*>(hValue); + return lpValue && lpValue->IsBoolean(); +} + +FX_BOOL FXJSE_Value_IsUTF8String(FXJSE_HVALUE hValue) { + CFXJSE_Value* lpValue = reinterpret_cast<CFXJSE_Value*>(hValue); + return lpValue && lpValue->IsString(); +} + +FX_BOOL FXJSE_Value_IsNumber(FXJSE_HVALUE hValue) { + CFXJSE_Value* lpValue = reinterpret_cast<CFXJSE_Value*>(hValue); + return lpValue && lpValue->IsNumber(); +} + +FX_BOOL FXJSE_Value_IsInteger(FXJSE_HVALUE hValue) { + CFXJSE_Value* lpValue = reinterpret_cast<CFXJSE_Value*>(hValue); + return lpValue && lpValue->IsInteger(); +} + +FX_BOOL FXJSE_Value_IsObject(FXJSE_HVALUE hValue) { + CFXJSE_Value* lpValue = reinterpret_cast<CFXJSE_Value*>(hValue); + return lpValue && lpValue->IsObject(); +} + +FX_BOOL FXJSE_Value_IsArray(FXJSE_HVALUE hValue) { + CFXJSE_Value* lpValue = reinterpret_cast<CFXJSE_Value*>(hValue); + return lpValue && lpValue->IsArray(); +} + +FX_BOOL FXJSE_Value_IsFunction(FXJSE_HVALUE hValue) { + CFXJSE_Value* lpValue = reinterpret_cast<CFXJSE_Value*>(hValue); + return lpValue && lpValue->IsFunction(); +} + +FX_BOOL FXJSE_Value_IsDate(FXJSE_HVALUE hValue) { + CFXJSE_Value* lpValue = reinterpret_cast<CFXJSE_Value*>(hValue); + return lpValue && lpValue->IsDate(); +} + +FX_BOOL FXJSE_Value_ToBoolean(FXJSE_HVALUE hValue) { + return reinterpret_cast<CFXJSE_Value*>(hValue)->ToBoolean(); +} + +FX_FLOAT FXJSE_Value_ToFloat(FXJSE_HVALUE hValue) { + return reinterpret_cast<CFXJSE_Value*>(hValue)->ToFloat(); +} + +FXJSE_DOUBLE FXJSE_Value_ToDouble(FXJSE_HVALUE hValue) { + return reinterpret_cast<CFXJSE_Value*>(hValue)->ToDouble(); +} + +void FXJSE_Value_ToUTF8String(FXJSE_HVALUE hValue, + CFX_ByteString& szStrOutput) { + return reinterpret_cast<CFXJSE_Value*>(hValue)->ToString(szStrOutput); +} + +int32_t FXJSE_Value_ToInteger(FXJSE_HVALUE hValue) { + return reinterpret_cast<CFXJSE_Value*>(hValue)->ToInteger(); +} + +void* FXJSE_Value_ToObject(FXJSE_HVALUE hValue, FXJSE_HCLASS hClass) { + CFXJSE_Class* lpClass = reinterpret_cast<CFXJSE_Class*>(hClass); + return reinterpret_cast<CFXJSE_Value*>(hValue)->ToObject(lpClass); +} + +void FXJSE_Value_SetUndefined(FXJSE_HVALUE hValue) { + reinterpret_cast<CFXJSE_Value*>(hValue)->SetUndefined(); +} + +void FXJSE_Value_SetNull(FXJSE_HVALUE hValue) { + reinterpret_cast<CFXJSE_Value*>(hValue)->SetNull(); +} + +void FXJSE_Value_SetBoolean(FXJSE_HVALUE hValue, FX_BOOL bBoolean) { + reinterpret_cast<CFXJSE_Value*>(hValue)->SetBoolean(bBoolean); +} + +void FXJSE_Value_SetUTF8String(FXJSE_HVALUE hValue, + const CFX_ByteStringC& szString) { + reinterpret_cast<CFXJSE_Value*>(hValue)->SetString(szString); +} + +void FXJSE_Value_SetInteger(FXJSE_HVALUE hValue, int32_t nInteger) { + reinterpret_cast<CFXJSE_Value*>(hValue)->SetInteger(nInteger); +} + +void FXJSE_Value_SetFloat(FXJSE_HVALUE hValue, FX_FLOAT fFloat) { + reinterpret_cast<CFXJSE_Value*>(hValue)->SetFloat(fFloat); +} + +void FXJSE_Value_SetDouble(FXJSE_HVALUE hValue, FXJSE_DOUBLE dDouble) { + reinterpret_cast<CFXJSE_Value*>(hValue)->SetDouble(dDouble); +} + +void FXJSE_Value_SetObject(FXJSE_HVALUE hValue, + void* lpObject, + FXJSE_HCLASS hClass) { + CFXJSE_Value* lpValue = reinterpret_cast<CFXJSE_Value*>(hValue); + CFXJSE_Class* lpClass = reinterpret_cast<CFXJSE_Class*>(hClass); + if (!lpClass) { + ASSERT(!lpObject); + lpValue->SetJSObject(); + } else { + lpValue->SetHostObject(lpObject, lpClass); + } +} + +void FXJSE_Value_SetArray(FXJSE_HVALUE hValue, + uint32_t uValueCount, + FXJSE_HVALUE* rgValues) { + reinterpret_cast<CFXJSE_Value*>(hValue) + ->SetArray(uValueCount, reinterpret_cast<CFXJSE_Value**>(rgValues)); +} + +void FXJSE_Value_SetDate(FXJSE_HVALUE hValue, FXJSE_DOUBLE dDouble) { + reinterpret_cast<CFXJSE_Value*>(hValue)->SetDate(dDouble); +} + +void FXJSE_Value_Set(FXJSE_HVALUE hValue, FXJSE_HVALUE hOriginalValue) { + CFXJSE_Value* lpValue = reinterpret_cast<CFXJSE_Value*>(hValue); + CFXJSE_Value* lpOriginalValue = + reinterpret_cast<CFXJSE_Value*>(hOriginalValue); + ASSERT(lpValue && lpOriginalValue); + lpValue->Assign(lpOriginalValue); +} + +FX_BOOL FXJSE_Value_GetObjectProp(FXJSE_HVALUE hValue, + const CFX_ByteStringC& szPropName, + FXJSE_HVALUE hPropValue) { + CFXJSE_Value* lpValue = reinterpret_cast<CFXJSE_Value*>(hValue); + CFXJSE_Value* lpPropValue = reinterpret_cast<CFXJSE_Value*>(hPropValue); + ASSERT(lpValue && lpPropValue); + return lpValue->GetObjectProperty(szPropName, lpPropValue); +} + +FX_BOOL FXJSE_Value_SetObjectProp(FXJSE_HVALUE hValue, + const CFX_ByteStringC& szPropName, + FXJSE_HVALUE hPropValue) { + CFXJSE_Value* lpValue = reinterpret_cast<CFXJSE_Value*>(hValue); + CFXJSE_Value* lpPropValue = reinterpret_cast<CFXJSE_Value*>(hPropValue); + ASSERT(lpValue && lpPropValue); + return lpValue->SetObjectProperty(szPropName, lpPropValue); +} + +FX_BOOL FXJSE_Value_GetObjectPropByIdx(FXJSE_HVALUE hValue, + uint32_t uPropIdx, + FXJSE_HVALUE hPropValue) { + CFXJSE_Value* lpValue = reinterpret_cast<CFXJSE_Value*>(hValue); + CFXJSE_Value* lpPropValue = reinterpret_cast<CFXJSE_Value*>(hPropValue); + ASSERT(lpValue && lpPropValue); + return lpValue->GetObjectProperty(uPropIdx, lpPropValue); +} + +FX_BOOL FXJSE_Value_SetObjectPropByIdx(FXJSE_HVALUE hValue, + uint32_t uPropIdx, + FXJSE_HVALUE hPropValue) { + CFXJSE_Value* lpValue = reinterpret_cast<CFXJSE_Value*>(hValue); + CFXJSE_Value* lpPropValue = reinterpret_cast<CFXJSE_Value*>(hPropValue); + ASSERT(lpValue && lpPropValue); + return lpValue->SetObjectProperty(uPropIdx, lpPropValue); +} + +FX_BOOL FXJSE_Value_DeleteObjectProp(FXJSE_HVALUE hValue, + const CFX_ByteStringC& szPropName) { + return reinterpret_cast<CFXJSE_Value*>(hValue) + ->DeleteObjectProperty(szPropName); +} + +FX_BOOL FXJSE_Value_ObjectHasOwnProp(FXJSE_HVALUE hValue, + const CFX_ByteStringC& szPropName, + FX_BOOL bUseTypeGetter) { + return reinterpret_cast<CFXJSE_Value*>(hValue) + ->HasObjectOwnProperty(szPropName, bUseTypeGetter); +} + +FX_BOOL FXJSE_Value_SetObjectOwnProp(FXJSE_HVALUE hValue, + const CFX_ByteStringC& szPropName, + FXJSE_HVALUE hPropValue) { + CFXJSE_Value* lpValue = reinterpret_cast<CFXJSE_Value*>(hValue); + CFXJSE_Value* lpPropValue = reinterpret_cast<CFXJSE_Value*>(hPropValue); + ASSERT(lpValue && lpPropValue); + return lpValue->SetObjectOwnProperty(szPropName, lpPropValue); +} + +FX_BOOL FXJSE_Value_SetFunctionBind(FXJSE_HVALUE hValue, + FXJSE_HVALUE hOldFunction, + FXJSE_HVALUE hNewThis) { + CFXJSE_Value* lpValue = reinterpret_cast<CFXJSE_Value*>(hValue); + CFXJSE_Value* lpOldFunction = reinterpret_cast<CFXJSE_Value*>(hOldFunction); + CFXJSE_Value* lpNewThis = reinterpret_cast<CFXJSE_Value*>(hNewThis); + ASSERT(lpValue && lpOldFunction && lpNewThis); + return lpValue->SetFunctionBind(lpOldFunction, lpNewThis); +} + +FX_BOOL FXJSE_Value_CallFunction(FXJSE_HVALUE hFunction, + FXJSE_HVALUE hThis, + FXJSE_HVALUE hRetValue, + uint32_t nArgCount, + FXJSE_HVALUE* lpArgs) { + CFXJSE_Value* lpThis = reinterpret_cast<CFXJSE_Value*>(hThis); + CFXJSE_Value* lpRetValue = reinterpret_cast<CFXJSE_Value*>(hRetValue); + return reinterpret_cast<CFXJSE_Value*>(hFunction) + ->Call(lpThis, lpRetValue, nArgCount, lpArgs); +} + +FXJSE_HVALUE FXJSE_Value_Create(FXJSE_HRUNTIME hRuntime) { + return reinterpret_cast<FXJSE_HVALUE>( + CFXJSE_Value::Create(reinterpret_cast<v8::Isolate*>(hRuntime))); +} + +void FXJSE_Value_Release(FXJSE_HVALUE hValue) { + CFXJSE_Value* lpValue = reinterpret_cast<CFXJSE_Value*>(hValue); + delete lpValue; +} + +FXJSE_HRUNTIME FXJSE_Value_GetRuntime(FXJSE_HVALUE hValue) { + return reinterpret_cast<FXJSE_HRUNTIME>( + reinterpret_cast<CFXJSE_Value*>(hValue)->GetIsolate()); +} + +void FXJSE_ThrowMessage(const CFX_ByteStringC& utf8Name, + const CFX_ByteStringC& utf8Message) { + v8::Isolate* pIsolate = v8::Isolate::GetCurrent(); + ASSERT(pIsolate); + + CFXJSE_ScopeUtil_IsolateHandleRootContext scope(pIsolate); + v8::Local<v8::String> hMessage = v8::String::NewFromUtf8( + pIsolate, utf8Message.GetCStr(), v8::String::kNormalString, + utf8Message.GetLength()); + v8::Local<v8::Value> hError; + + if (utf8Name == "RangeError") { + hError = v8::Exception::RangeError(hMessage); + } else if (utf8Name == "ReferenceError") { + hError = v8::Exception::ReferenceError(hMessage); + } else if (utf8Name == "SyntaxError") { + hError = v8::Exception::SyntaxError(hMessage); + } else if (utf8Name == "TypeError") { + hError = v8::Exception::TypeError(hMessage); + } else { + hError = v8::Exception::Error(hMessage); + if (utf8Name != "Error" && !utf8Name.IsEmpty()) { + hError.As<v8::Object>()->Set( + v8::String::NewFromUtf8(pIsolate, "name"), + v8::String::NewFromUtf8(pIsolate, utf8Name.GetCStr(), + v8::String::kNormalString, + utf8Name.GetLength())); + } + } + pIsolate->ThrowException(hError); +} + +CFXJSE_Value* CFXJSE_Value::Create(v8::Isolate* pIsolate) { + return new CFXJSE_Value(pIsolate); +} + +void* CFXJSE_Value::ToObject(CFXJSE_Class* lpClass) const { + ASSERT(!m_hValue.IsEmpty()); + + CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate); + v8::Local<v8::Value> hValue = v8::Local<v8::Value>::New(m_pIsolate, m_hValue); + ASSERT(!hValue.IsEmpty()); + + if (!hValue->IsObject()) + return nullptr; + + return FXJSE_RetrieveObjectBinding(hValue.As<v8::Object>(), lpClass); +} + +V8_INLINE static double FXJSE_ftod(FX_FLOAT fNumber) { + if (sizeof(FX_FLOAT) != 4) { + ASSERT(FALSE); + return fNumber; + } + + uint32_t nFloatBits = (uint32_t&)fNumber; + uint8_t nExponent = (uint8_t)(nFloatBits >> 16 >> 7); + if (nExponent == 0 || nExponent == 255) + return fNumber; + + int8_t nErrExp = nExponent - 127 - 23; + if (nErrExp >= 0) + return fNumber; + + double dwError = pow(2.0, nErrExp), dwErrorHalf = dwError / 2; + double dNumber = fNumber, dNumberAbs = fabs(fNumber); + double dNumberAbsMin = dNumberAbs - dwErrorHalf, + dNumberAbsMax = dNumberAbs + dwErrorHalf; + int32_t iErrPos = 0; + if (floor(dNumberAbsMin) == floor(dNumberAbsMax)) { + dNumberAbsMin = fmod(dNumberAbsMin, 1.0); + dNumberAbsMax = fmod(dNumberAbsMax, 1.0); + int32_t iErrPosMin = 1, iErrPosMax = 38; + do { + int32_t iMid = (iErrPosMin + iErrPosMax) / 2; + double dPow = pow(10.0, iMid); + if (floor(dNumberAbsMin * dPow) == floor(dNumberAbsMax * dPow)) { + iErrPosMin = iMid + 1; + } else { + iErrPosMax = iMid; + } + } while (iErrPosMin < iErrPosMax); + iErrPos = iErrPosMax; + } + double dPow = pow(10.0, iErrPos); + return fNumber < 0 ? ceil(dNumber * dPow - 0.5) / dPow + : floor(dNumber * dPow + 0.5) / dPow; +} + +void CFXJSE_Value::SetFloat(FX_FLOAT fFloat) { + CFXJSE_ScopeUtil_IsolateHandle scope(m_pIsolate); + v8::Local<v8::Value> hValue = v8::Number::New(m_pIsolate, FXJSE_ftod(fFloat)); + m_hValue.Reset(m_pIsolate, hValue); +} + +void CFXJSE_Value::SetHostObject(void* lpObject, CFXJSE_Class* lpClass) { + CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate); + ASSERT(lpClass); + v8::Local<v8::FunctionTemplate> hClass = + v8::Local<v8::FunctionTemplate>::New(m_pIsolate, lpClass->m_hTemplate); + v8::Local<v8::Object> hObject = hClass->InstanceTemplate()->NewInstance(); + FXJSE_UpdateObjectBinding(hObject, lpObject); + m_hValue.Reset(m_pIsolate, hObject); +} + +void CFXJSE_Value::SetArray(uint32_t uValueCount, CFXJSE_Value** rgValues) { + CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate); + v8::Local<v8::Array> hArrayObject = v8::Array::New(m_pIsolate, uValueCount); + if (rgValues) { + for (uint32_t i = 0; i < uValueCount; i++) { + if (rgValues[i]) { + hArrayObject->Set(i, v8::Local<v8::Value>::New( + m_pIsolate, rgValues[i]->DirectGetValue())); + } + } + } + m_hValue.Reset(m_pIsolate, hArrayObject); +} + +void CFXJSE_Value::SetDate(FXJSE_DOUBLE dDouble) { + CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate); + v8::Local<v8::Value> hDate = v8::Date::New(m_pIsolate, dDouble); + m_hValue.Reset(m_pIsolate, hDate); +} + +FX_BOOL CFXJSE_Value::SetObjectProperty(const CFX_ByteStringC& szPropName, + CFXJSE_Value* lpPropValue) { + CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate); + v8::Local<v8::Value> hObject = + v8::Local<v8::Value>::New(m_pIsolate, m_hValue); + if (!hObject->IsObject()) + return FALSE; + + v8::Local<v8::Value> hPropValue = + v8::Local<v8::Value>::New(m_pIsolate, lpPropValue->DirectGetValue()); + return (FX_BOOL)hObject.As<v8::Object>()->Set( + v8::String::NewFromUtf8(m_pIsolate, szPropName.GetCStr(), + v8::String::kNormalString, + szPropName.GetLength()), + hPropValue); +} + +FX_BOOL CFXJSE_Value::GetObjectProperty(const CFX_ByteStringC& szPropName, + CFXJSE_Value* lpPropValue) { + CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate); + v8::Local<v8::Value> hObject = + v8::Local<v8::Value>::New(m_pIsolate, m_hValue); + if (!hObject->IsObject()) + return FALSE; + + v8::Local<v8::Value> hPropValue = + hObject.As<v8::Object>()->Get(v8::String::NewFromUtf8( + m_pIsolate, szPropName.GetCStr(), v8::String::kNormalString, + szPropName.GetLength())); + lpPropValue->ForceSetValue(hPropValue); + return TRUE; +} + +FX_BOOL CFXJSE_Value::SetObjectProperty(uint32_t uPropIdx, + CFXJSE_Value* lpPropValue) { + CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate); + v8::Local<v8::Value> hObject = + v8::Local<v8::Value>::New(m_pIsolate, m_hValue); + if (!hObject->IsObject()) + return FALSE; + + v8::Local<v8::Value> hPropValue = + v8::Local<v8::Value>::New(m_pIsolate, lpPropValue->DirectGetValue()); + return (FX_BOOL)hObject.As<v8::Object>()->Set(uPropIdx, hPropValue); +} + +FX_BOOL CFXJSE_Value::GetObjectProperty(uint32_t uPropIdx, + CFXJSE_Value* lpPropValue) { + CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate); + v8::Local<v8::Value> hObject = + v8::Local<v8::Value>::New(m_pIsolate, m_hValue); + if (!hObject->IsObject()) + return FALSE; + + v8::Local<v8::Value> hPropValue = hObject.As<v8::Object>()->Get(uPropIdx); + lpPropValue->ForceSetValue(hPropValue); + return TRUE; +} + +FX_BOOL CFXJSE_Value::DeleteObjectProperty(const CFX_ByteStringC& szPropName) { + CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate); + v8::Local<v8::Value> hObject = + v8::Local<v8::Value>::New(m_pIsolate, m_hValue); + if (!hObject->IsObject()) + return FALSE; + + hObject.As<v8::Object>()->Delete(v8::String::NewFromUtf8( + m_pIsolate, szPropName.GetCStr(), v8::String::kNormalString, + szPropName.GetLength())); + return TRUE; +} + +FX_BOOL CFXJSE_Value::HasObjectOwnProperty(const CFX_ByteStringC& szPropName, + FX_BOOL bUseTypeGetter) { + CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate); + v8::Local<v8::Value> hObject = + v8::Local<v8::Value>::New(m_pIsolate, m_hValue); + if (!hObject->IsObject()) + return FALSE; + + v8::Local<v8::String> hKey = v8::String::NewFromUtf8( + m_pIsolate, szPropName.GetCStr(), v8::String::kNormalString, + szPropName.GetLength()); + return hObject.As<v8::Object>()->HasRealNamedProperty(hKey) || + (bUseTypeGetter && + hObject.As<v8::Object>() + ->HasOwnProperty(m_pIsolate->GetCurrentContext(), hKey) + .FromMaybe(false)); +} + +FX_BOOL CFXJSE_Value::SetObjectOwnProperty(const CFX_ByteStringC& szPropName, + CFXJSE_Value* lpPropValue) { + CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate); + v8::Local<v8::Value> hObject = + v8::Local<v8::Value>::New(m_pIsolate, m_hValue); + if (!hObject->IsObject()) + return FALSE; + + v8::Local<v8::Value> hValue = + v8::Local<v8::Value>::New(m_pIsolate, lpPropValue->m_hValue); + return hObject.As<v8::Object>() + ->DefineOwnProperty( + m_pIsolate->GetCurrentContext(), + v8::String::NewFromUtf8(m_pIsolate, szPropName.GetCStr(), + v8::String::kNormalString, + szPropName.GetLength()), + hValue) + .FromMaybe(false); +} + +FX_BOOL CFXJSE_Value::SetFunctionBind(CFXJSE_Value* lpOldFunction, + CFXJSE_Value* lpNewThis) { + CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate); + v8::Local<v8::Value> rgArgs[2]; + v8::Local<v8::Value> hOldFunction = + v8::Local<v8::Value>::New(m_pIsolate, lpOldFunction->DirectGetValue()); + if (hOldFunction.IsEmpty() || !hOldFunction->IsFunction()) + return FALSE; + + rgArgs[0] = hOldFunction; + v8::Local<v8::Value> hNewThis = + v8::Local<v8::Value>::New(m_pIsolate, lpNewThis->DirectGetValue()); + if (hNewThis.IsEmpty()) + return FALSE; + + rgArgs[1] = hNewThis; + v8::Local<v8::String> hBinderFuncSource = + v8::String::NewFromUtf8(m_pIsolate, + "(function (oldfunction, newthis) { return " + "oldfunction.bind(newthis); })"); + v8::Local<v8::Function> hBinderFunc = + v8::Script::Compile(hBinderFuncSource)->Run().As<v8::Function>(); + v8::Local<v8::Value> hBoundFunction = + hBinderFunc->Call(m_pIsolate->GetCurrentContext()->Global(), 2, rgArgs); + if (hBoundFunction.IsEmpty() || !hBoundFunction->IsFunction()) + return FALSE; + + m_hValue.Reset(m_pIsolate, hBoundFunction); + return TRUE; +} + +#define FXJSE_INVALID_PTR ((void*)(intptr_t)-1) +FX_BOOL CFXJSE_Value::Call(CFXJSE_Value* lpReceiver, + CFXJSE_Value* lpRetValue, + uint32_t nArgCount, + FXJSE_HVALUE* lpArgs) { + CFXJSE_ScopeUtil_IsolateHandleRootContext scope(m_pIsolate); + v8::Local<v8::Value> hFunctionValue = + v8::Local<v8::Value>::New(m_pIsolate, DirectGetValue()); + v8::Local<v8::Object> hFunctionObject = + !hFunctionValue.IsEmpty() && hFunctionValue->IsObject() + ? hFunctionValue.As<v8::Object>() + : v8::Local<v8::Object>(); + + v8::TryCatch trycatch(m_pIsolate); + if (hFunctionObject.IsEmpty() || !hFunctionObject->IsCallable()) { + if (lpRetValue) + lpRetValue->ForceSetValue(FXJSE_CreateReturnValue(m_pIsolate, trycatch)); + return FALSE; + } + + v8::Local<v8::Value> hReturnValue; + v8::Local<v8::Value>* lpLocalArgs = NULL; + if (nArgCount) { + lpLocalArgs = FX_Alloc(v8::Local<v8::Value>, nArgCount); + for (uint32_t i = 0; i < nArgCount; i++) { + new (lpLocalArgs + i) v8::Local<v8::Value>; + CFXJSE_Value* lpArg = (CFXJSE_Value*)lpArgs[i]; + if (lpArg) { + lpLocalArgs[i] = + v8::Local<v8::Value>::New(m_pIsolate, lpArg->DirectGetValue()); + } + if (lpLocalArgs[i].IsEmpty()) { + lpLocalArgs[i] = v8::Undefined(m_pIsolate); + } + } + } + + FX_BOOL bRetValue = TRUE; + if (lpReceiver == FXJSE_INVALID_PTR) { + v8::MaybeLocal<v8::Value> maybe_retvalue = + hFunctionObject->CallAsConstructor(m_pIsolate->GetCurrentContext(), + nArgCount, lpLocalArgs); + hReturnValue = maybe_retvalue.FromMaybe(v8::Local<v8::Value>()); + } else { + v8::Local<v8::Value> hReceiver; + if (lpReceiver) { + hReceiver = + v8::Local<v8::Value>::New(m_pIsolate, lpReceiver->DirectGetValue()); + } + if (hReceiver.IsEmpty() || !hReceiver->IsObject()) + hReceiver = v8::Object::New(m_pIsolate); + + v8::MaybeLocal<v8::Value> maybe_retvalue = hFunctionObject->CallAsFunction( + m_pIsolate->GetCurrentContext(), hReceiver, nArgCount, lpLocalArgs); + hReturnValue = maybe_retvalue.FromMaybe(v8::Local<v8::Value>()); + } + + if (trycatch.HasCaught()) { + hReturnValue = FXJSE_CreateReturnValue(m_pIsolate, trycatch); + bRetValue = FALSE; + } + + if (lpRetValue) + lpRetValue->ForceSetValue(hReturnValue); + + if (lpLocalArgs) { + for (uint32_t i = 0; i < nArgCount; i++) + lpLocalArgs[i].~Local(); + FX_Free(lpLocalArgs); + } + return bRetValue; +} |