Revision control
Copy as Markdown
// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QQMLDOMSCANNER_P_H
#define QQMLDOMSCANNER_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qqmldom_global.h"
#include "qqmldomstringdumper_p.h"
#include <QStringList>
#include <QStringView>
#include <QtQml/private/qqmljslexer_p.h>
#include <QtQml/private/qqmljsgrammar_p.h>
QT_BEGIN_NAMESPACE
namespace QQmlJS {
namespace Dom {
class QMLDOM_EXPORT Token
{
Q_GADGET
public:
static bool lexKindIsDelimiter(int kind);
static bool lexKindIsJSKeyword(int kind);
static bool lexKindIsIdentifier(int kind);
static bool lexKindIsStringType(int kind);
static bool lexKindIsInvalid(int kind);
static bool lexKindIsQmlReserved(int kind);
static bool lexKindIsComment(int kind);
inline Token() = default;
inline Token(int o, int l, int lexKind) : offset(o), length(l), lexKind(lexKind) { }
inline int begin() const { return offset; }
inline int end() const { return offset + length; }
void dump(const Sink &s, QStringView line = QStringView()) const;
QString toString(QStringView line = QStringView()) const
{
return dumperToString([line, this](const Sink &s) { this->dump(s, line); });
}
static int compare(const Token &t1, const Token &t2)
{
if (int c = t1.offset - t2.offset)
return c;
if (int c = t1.length - t2.length)
return c;
return int(t1.lexKind) - int(t2.lexKind);
}
int offset = 0;
int length = 0;
int lexKind = QQmlJSGrammar::T_NONE;
};
inline int operator==(const Token &t1, const Token &t2)
{
return Token::compare(t1, t2) == 0;
}
inline int operator!=(const Token &t1, const Token &t2)
{
return Token::compare(t1, t2) != 0;
}
class QMLDOM_EXPORT Scanner
{
public:
struct QMLDOM_EXPORT State
{
Lexer::State state {};
bool regexpMightFollow = true;
bool isMultiline() const;
bool isMultilineComment() const;
};
QList<Token> operator()(QStringView text, const State &startState);
State state() const;
private:
bool _qmlMode = true;
State _state;
};
} // namespace Dom
} // namespace QQmlJS
QT_END_NAMESPACE
#endif