1 files changed, 98 insertions, 0 deletions
diff --git a/src/qmldom/qqmldomscanner_p.h b/src/qmldom/qqmldomscanner_p.h
new file mode 100644
index 0000000000..5ff1c5b767
--- /dev/null
+++ b/src/qmldom/qqmldomscanner_p.h
@@ -0,0 +1,98 @@
+// 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