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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#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
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