forked from qt-creator/qt-creator
130 lines
3.4 KiB
C++
130 lines
3.4 KiB
C++
/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (info@qt.nokia.com)
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**
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**
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** GNU Lesser General Public License Usage
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**
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this file.
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** Please review the following information to ensure the GNU Lesser General
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** Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** Other Usage
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**
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at info@qt.nokia.com.
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**
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**************************************************************************/
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#ifndef QMLJSLINEINFO_H
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#define QMLJSLINEINFO_H
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#include <qmljs/qmljs_global.h>
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#include <qmljs/qmljsscanner.h>
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#include <QtCore/QRegExp>
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#include <QtGui/QTextBlock>
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namespace QmlJS {
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class QMLJS_EXPORT LineInfo
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{
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Q_DISABLE_COPY(LineInfo)
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public:
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LineInfo();
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virtual ~LineInfo();
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bool isUnfinishedLine();
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bool isContinuationLine();
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void initialize(QTextBlock begin, QTextBlock end);
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protected:
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static const int SmallRoof;
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static const int BigRoof;
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QString trimmedCodeLine(const QString &t);
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QChar firstNonWhiteSpace(const QString &t) const;
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bool hasUnclosedParenOrBracket() const;
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/*
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The "linizer" is a group of functions and variables to iterate
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through the source code of the program to indent. The program is
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given as a list of strings, with the bottom line being the line
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to indent. The actual program might contain extra lines, but
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those are uninteresting and not passed over to us.
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*/
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bool readLine();
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void startLinizer();
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bool bottomLineStartsInMultilineComment();
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bool matchBracelessControlStatement();
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Token lastToken() const;
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QStringRef tokenText(const Token &token) const;
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protected:
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struct LinizerState
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{
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LinizerState()
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: braceDepth(0),
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leftBraceFollows(false),
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pendingRightBrace(false),
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insertedSemicolon(false)
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{ }
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int braceDepth;
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bool leftBraceFollows;
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bool pendingRightBrace;
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bool insertedSemicolon;
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QString line;
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QList<Token> tokens;
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QTextBlock iter;
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};
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class Program
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{
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public:
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Program() {}
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Program(QTextBlock begin, QTextBlock end)
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: begin(begin), end(end) {}
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QTextBlock firstBlock() const { return begin; }
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QTextBlock lastBlock() const { return end; }
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private:
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QTextBlock begin, end;
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};
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Program yyProgram;
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LinizerState yyLinizerState;
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// shorthands
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const QString *yyLine;
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const int *yyBraceDepth;
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const bool *yyLeftBraceFollows;
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QRegExp braceX;
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};
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} // namespace QmlJS
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#endif // QMLJSLINEINFO_H
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