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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, 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.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef QMLJSLINEINFO_H
#define QMLJSLINEINFO_H
#include <qmljs/qmljs_global.h>
#include <qmljs/qmljsscanner.h>
#include <QRegExp>
#include <QTextBlock>
namespace QmlJS {
class QMLJS_EXPORT LineInfo
{
Q_DISABLE_COPY(LineInfo)
public:
LineInfo();
virtual ~LineInfo();
bool isUnfinishedLine();
bool isContinuationLine();
void initialize(QTextBlock begin, QTextBlock end);
protected:
static const int SmallRoof;
static const int BigRoof;
QString trimmedCodeLine(const QString &t);
QChar firstNonWhiteSpace(const QString &t) const;
bool hasUnclosedParenOrBracket() const;
/*
The "linizer" is a group of functions and variables to iterate
through the source code of the program to indent. The program is
given as a list of strings, with the bottom line being the line
to indent. The actual program might contain extra lines, but
those are uninteresting and not passed over to us.
*/
bool readLine();
void startLinizer();
bool bottomLineStartsInMultilineComment();
bool matchBracelessControlStatement();
Token lastToken() const;
QStringRef tokenText(const Token &token) const;
protected:
struct LinizerState
{
LinizerState()
: braceDepth(0),
leftBraceFollows(false),
pendingRightBrace(false),
insertedSemicolon(false)
{ }
int braceDepth;
bool leftBraceFollows;
bool pendingRightBrace;
bool insertedSemicolon;
QString line;
QList<Token> tokens;
QTextBlock iter;
};
class Program
{
public:
Program() {}
Program(QTextBlock begin, QTextBlock end)
: begin(begin), end(end) {}
QTextBlock firstBlock() const { return begin; }
QTextBlock lastBlock() const { return end; }
private:
QTextBlock begin, end;
};
Program yyProgram;
LinizerState yyLinizerState;
// shorthands
const QString *yyLine;
const int *yyBraceDepth;
const bool *yyLeftBraceFollows;
QRegExp braceX;
};
} // namespace QmlJS
#endif // QMLJSLINEINFO_H
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