forked from qt-creator/qt-creator
cf2a651c3b
Port from QStringRef to QStringView Change-Id: I472d16f20e40ca52b8e5d481850a6bd8a1a38f3b Reviewed-by: hjk <hjk@qt.io>
119 lines
3.3 KiB
C++
119 lines
3.3 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2016 The Qt Company Ltd.
|
|
** Contact: https://www.qt.io/licensing/
|
|
**
|
|
** 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 The Qt Company. For licensing terms
|
|
** and conditions see https://www.qt.io/terms-conditions. For further
|
|
** information use the contact form at https://www.qt.io/contact-us.
|
|
**
|
|
** GNU General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU
|
|
** General Public License version 3 as published by the Free Software
|
|
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
|
|
** included in the packaging of this file. Please review the following
|
|
** information to ensure the GNU General Public License requirements will
|
|
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
|
|
**
|
|
****************************************************************************/
|
|
|
|
#pragma once
|
|
|
|
#include <qmljs/qmljs_global.h>
|
|
|
|
#include <QRegularExpression>
|
|
#include <QTextBlock>
|
|
|
|
namespace QmlJS {
|
|
class Token;
|
|
|
|
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;
|
|
QStringView 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(const QTextBlock &begin, const 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;
|
|
|
|
QRegularExpression braceX;
|
|
};
|
|
|
|
} // namespace QmlJS
|