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/****************************************************************************
**
** Copyright (C) 2017 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 <QChar>
#include <QString>
#include <QVector>
#include <memory>
namespace Haskell {
namespace Internal {
enum class TokenType {
Variable,
Constructor,
Operator,
OperatorConstructor,
Whitespace,
String,
StringError,
Char,
CharError,
EscapeSequence,
Integer,
Float,
Keyword,
Special,
SingleLineComment,
MultiLineComment,
Unknown
};
class Token {
public:
bool isValid() const;
TokenType type = TokenType::Unknown;
int startCol = -1;
int length = -1;
QStringRef text;
std::shared_ptr<QString> source; // keep the string ref alive
};
class Tokens : public QVector<Token>
{
public:
enum class State {
None = -1,
StringGap = 0, // gap == two backslashes enclosing only whitespace
MultiLineCommentGuard // nothing may follow that
};
Tokens(std::shared_ptr<QString> source);
std::shared_ptr<QString> source;
int state = int(State::None);
};
class HaskellTokenizer
{
public:
static Tokens tokenize(const QString &line, int startState);
};
} // Internal
} // Haskell
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