/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
** All rights reserved. | |
** Contact: Nokia Corporation (qt-info@nokia.com) | |
** | |
** This file is part of the QtScript module of the Qt Toolkit. | |
** | |
** $QT_BEGIN_LICENSE:LGPL-ONLY$ | |
** GNU Lesser General Public License Usage | |
** This file may be used under the terms of the GNU Lesser | |
** General Public License version 2.1 as published by the Free Software | |
** Foundation and appearing in the file LICENSE.LGPL included in the | |
** packaging of this file. Please review the following information to | |
** ensure the GNU Lesser General Public License version 2.1 requirements | |
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | |
** | |
** If you have questions regarding the use of this file, please contact | |
** Nokia at qt-info@nokia.com. | |
** $QT_END_LICENSE$ | |
** | |
****************************************************************************/ | |
#include "config.h" | |
#include "qscriptfunction_p.h" | |
#include "private/qscriptengine_p.h" | |
#include "qscriptcontext.h" | |
#include "private/qscriptcontext_p.h" | |
#include "private/qscriptvalue_p.h" | |
#include "qscriptactivationobject_p.h" | |
#include "qscriptobject_p.h" | |
#include "JSGlobalObject.h" | |
#include "DebuggerCallFrame.h" | |
#include "Debugger.h" | |
namespace JSC | |
{ | |
ASSERT_CLASS_FITS_IN_CELL(QT_PREPEND_NAMESPACE(QScript::FunctionWrapper)); | |
ASSERT_CLASS_FITS_IN_CELL(QT_PREPEND_NAMESPACE(QScript::FunctionWithArgWrapper)); | |
} | |
QT_BEGIN_NAMESPACE | |
namespace QScript | |
{ | |
const JSC::ClassInfo FunctionWrapper::info = { "QtNativeFunctionWrapper", &PrototypeFunction::info, 0, 0 }; | |
const JSC::ClassInfo FunctionWithArgWrapper::info = { "QtNativeFunctionWithArgWrapper", &PrototypeFunction::info, 0, 0 }; | |
FunctionWrapper::FunctionWrapper(JSC::ExecState *exec, int length, const JSC::Identifier &name, | |
QScriptEngine::FunctionSignature function) | |
: JSC::PrototypeFunction(exec, length, name, proxyCall), | |
data(new Data()) | |
{ | |
data->function = function; | |
} | |
FunctionWrapper::~FunctionWrapper() | |
{ | |
delete data; | |
} | |
JSC::ConstructType FunctionWrapper::getConstructData(JSC::ConstructData& consData) | |
{ | |
consData.native.function = proxyConstruct; | |
consData.native.function.doNotCallDebuggerFunctionExit(); | |
return JSC::ConstructTypeHost; | |
} | |
JSC::JSValue FunctionWrapper::proxyCall(JSC::ExecState *exec, JSC::JSObject *callee, | |
JSC::JSValue thisObject, const JSC::ArgList &args) | |
{ | |
FunctionWrapper *self = static_cast<FunctionWrapper*>(callee); | |
QScriptEnginePrivate *eng_p = QScript::scriptEngineFromExec(exec); | |
JSC::ExecState *oldFrame = eng_p->currentFrame; | |
eng_p->pushContext(exec, thisObject, args, callee); | |
QScriptContext *ctx = eng_p->contextForFrame(eng_p->currentFrame); | |
QScriptValue result = self->data->function(ctx, QScriptEnginePrivate::get(eng_p)); | |
if (!result.isValid()) | |
result = QScriptValue(QScriptValue::UndefinedValue); | |
eng_p->popContext(); | |
eng_p->currentFrame = oldFrame; | |
return eng_p->scriptValueToJSCValue(result); | |
} | |
JSC::JSObject* FunctionWrapper::proxyConstruct(JSC::ExecState *exec, JSC::JSObject *callee, | |
const JSC::ArgList &args) | |
{ | |
FunctionWrapper *self = static_cast<FunctionWrapper*>(callee); | |
QScriptEnginePrivate *eng_p = QScript::scriptEngineFromExec(exec); | |
JSC::ExecState *oldFrame = eng_p->currentFrame; | |
eng_p->pushContext(exec, JSC::JSValue(), args, callee, true); | |
QScriptContext *ctx = eng_p->contextForFrame(eng_p->currentFrame); | |
QScriptValue result = self->data->function(ctx, QScriptEnginePrivate::get(eng_p)); | |
if (JSC::Debugger* debugger = eng_p->originalGlobalObject()->debugger()) | |
debugger->functionExit(QScriptValuePrivate::get(result)->jscValue, -1); | |
if (!result.isObject()) | |
result = ctx->thisObject(); | |
eng_p->popContext(); | |
eng_p->currentFrame = oldFrame; | |
return JSC::asObject(eng_p->scriptValueToJSCValue(result)); | |
} | |
FunctionWithArgWrapper::FunctionWithArgWrapper(JSC::ExecState *exec, int length, const JSC::Identifier &name, | |
QScriptEngine::FunctionWithArgSignature function, void *arg) | |
: JSC::PrototypeFunction(exec, length, name, proxyCall), | |
data(new Data()) | |
{ | |
data->function = function; | |
data->arg = arg; | |
} | |
FunctionWithArgWrapper::~FunctionWithArgWrapper() | |
{ | |
delete data; | |
} | |
JSC::ConstructType FunctionWithArgWrapper::getConstructData(JSC::ConstructData& consData) | |
{ | |
consData.native.function = proxyConstruct; | |
return JSC::ConstructTypeHost; | |
} | |
JSC::JSValue FunctionWithArgWrapper::proxyCall(JSC::ExecState *exec, JSC::JSObject *callee, | |
JSC::JSValue thisObject, const JSC::ArgList &args) | |
{ | |
FunctionWithArgWrapper *self = static_cast<FunctionWithArgWrapper*>(callee); | |
QScriptEnginePrivate *eng_p = QScript::scriptEngineFromExec(exec); | |
JSC::ExecState *oldFrame = eng_p->currentFrame; | |
eng_p->pushContext(exec, thisObject, args, callee); | |
QScriptContext *ctx = eng_p->contextForFrame(eng_p->currentFrame); | |
QScriptValue result = self->data->function(ctx, QScriptEnginePrivate::get(eng_p), self->data->arg); | |
eng_p->popContext(); | |
eng_p->currentFrame = oldFrame; | |
return eng_p->scriptValueToJSCValue(result); | |
} | |
JSC::JSObject* FunctionWithArgWrapper::proxyConstruct(JSC::ExecState *exec, JSC::JSObject *callee, | |
const JSC::ArgList &args) | |
{ | |
FunctionWithArgWrapper *self = static_cast<FunctionWithArgWrapper*>(callee); | |
QScriptEnginePrivate *eng_p = QScript::scriptEngineFromExec(exec); | |
JSC::ExecState *oldFrame = eng_p->currentFrame; | |
eng_p->pushContext(exec, JSC::JSValue(), args, callee, true); | |
QScriptContext *ctx = eng_p->contextForFrame(eng_p->currentFrame); | |
QScriptValue result = self->data->function(ctx, QScriptEnginePrivate::get(eng_p) , self->data->arg); | |
if (!result.isObject()) | |
result = ctx->thisObject(); | |
eng_p->popContext(); | |
eng_p->currentFrame = oldFrame; | |
return JSC::asObject(eng_p->scriptValueToJSCValue(result)); | |
} | |
} // namespace QScript | |
QT_END_NAMESPACE |