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/****************************************************************************
**
** 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.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSCRIPTSYNTAXCHECKRESULT_P_H
#define QSCRIPTSYNTAXCHECKRESULT_P_H
#include "qscriptengine_p.h"
#include "qscriptsyntaxcheckresult.h"
#include <v8.h>
QT_BEGIN_NAMESPACE
class QScriptSyntaxCheckResultPrivate : public QScriptSharedData
{
public:
static inline QScriptSyntaxCheckResult get(QScriptSyntaxCheckResultPrivate* p);
inline QScriptSyntaxCheckResultPrivate(const QString& program);
~QScriptSyntaxCheckResultPrivate();
inline QScriptSyntaxCheckResult::State state() const;
inline int errorLineNumber() const;
inline int errorColumnNumber() const;
inline QString errorMessage() const;
private:
int m_errorLineNumber;
int m_errorColumnNumber;
QString m_errorMessage;
};
QScriptSyntaxCheckResult QScriptSyntaxCheckResultPrivate::get(QScriptSyntaxCheckResultPrivate* p)
{
return QScriptSyntaxCheckResult(p);
}
QScriptSyntaxCheckResultPrivate::QScriptSyntaxCheckResultPrivate(const QString& program)
: m_errorLineNumber(-1)
, m_errorColumnNumber(-1)
{
// FIXME do we really need to create a new context to parse a script?
v8::Isolate *isolate = v8::Isolate::New();
isolate->Enter();
v8::Persistent<v8::Context> context = v8::Context::New();
{
v8::Context::Scope contextScope(context);
v8::HandleScope handleScope;
v8::TryCatch tryCatch;
v8::Handle<v8::Script> script = v8::Script::Compile(QScriptConverter::toString(program), v8::String::New("QScriptEngine_checkSyntax"));
if (script.IsEmpty()) {
v8::Local<v8::Message> exception = tryCatch.Message();
m_errorMessage = QScriptConverter::toString(exception->Get()->ToString());
m_errorLineNumber = exception->GetLineNumber();
m_errorColumnNumber = exception->GetStartColumn();
}
}
context.Dispose();
isolate->Exit();
isolate->Dispose();
}
QScriptSyntaxCheckResult::State QScriptSyntaxCheckResultPrivate::state() const
{
if (m_errorMessage.isEmpty())
return QScriptSyntaxCheckResult::Valid;
else if (m_errorMessage == QLatin1String("Uncaught SyntaxError: Unexpected end of input"))
return QScriptSyntaxCheckResult::Intermediate;
else
return QScriptSyntaxCheckResult::Error;
}
int QScriptSyntaxCheckResultPrivate::errorColumnNumber() const
{
return m_errorColumnNumber;
}
QString QScriptSyntaxCheckResultPrivate::errorMessage() const
{
return m_errorMessage;
}
int QScriptSyntaxCheckResultPrivate::errorLineNumber() const
{
return m_errorLineNumber;
}
QT_END_NAMESPACE
#endif
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