forked from qt-creator/qt-creator
1b9be30371
Change-Id: I3256db8f4d42b6326d986d754b45e6c6c2030839 Reviewed-by: Orgad Shaneh <orgads@gmail.com>
128 lines
3.6 KiB
C++
128 lines
3.6 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing
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**
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** This file is part of Qt Creator.
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms and
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** conditions see http://www.qt.io/terms-conditions. For further information
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** use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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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, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company 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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****************************************************************************/
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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 <QRegExp>
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#include <QTextBlock>
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namespace QmlJS {
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class Token;
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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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