1 files changed, 92 insertions, 0 deletions
diff --git a/src/qdoc/qdoc/src/qdoc/location.h b/src/qdoc/qdoc/src/qdoc/location.h
new file mode 100644
index 000000000..8427bc917
--- /dev/null
+++ b/src/qdoc/qdoc/src/qdoc/location.h
@@ -0,0 +1,92 @@
+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#ifndef LOCATION_H
+#define LOCATION_H
+
+#include <QtCore/qcoreapplication.h>
+#include <QtCore/qstack.h>
+
+QT_BEGIN_NAMESPACE
+
+class QRegularExpression;
+
+class Location
+{
+public:
+    Location();
+    explicit Location(const QString &filePath);
+    Location(const Location &other);
+    ~Location() { delete m_stk; }
+
+    Location &operator=(const Location &other);
+
+    void start();
+    void advance(QChar ch);
+    void advanceLines(int n)
+    {
+        m_stkTop->m_lineNo += n;
+        m_stkTop->m_columnNo = 1;
+    }
+
+    void push(const QString &filePath);
+    void pop();
+    void setEtc(bool etc) { m_etc = etc; }
+    void setLineNo(int no) { m_stkTop->m_lineNo = no; }
+    void setColumnNo(int no) { m_stkTop->m_columnNo = no; }
+
+    [[nodiscard]] bool isEmpty() const { return m_stkDepth == 0; }
+    [[nodiscard]] int depth() const { return m_stkDepth; }
+    [[nodiscard]] const QString &filePath() const { return m_stkTop->m_filePath; }
+    [[nodiscard]] QString fileName() const;
+    [[nodiscard]] QString fileSuffix() const;
+    [[nodiscard]] int lineNo() const { return m_stkTop->m_lineNo; }
+    [[nodiscard]] int columnNo() const { return m_stkTop->m_columnNo; }
+    [[nodiscard]] bool etc() const { return m_etc; }
+    [[nodiscard]] QString toString() const;
+    void warning(const QString &message, const QString &details = QString()) const;
+    void error(const QString &message, const QString &details = QString()) const;
+    void fatal(const QString &message, const QString &details = QString()) const;
+    void report(const QString &message, const QString &details = QString()) const;
+
+    static void initialize();
+
+    static void terminate();
+    static void information(const QString &message);
+    static void internalError(const QString &hint);
+    static int exitCode();
+
+private:
+    enum MessageType { Warning, Error, Report };
+
+    struct StackEntry
+    {
+        QString m_filePath {};
+        int m_lineNo {};
+        int m_columnNo {};
+    };
+    friend class QTypeInfo<StackEntry>;
+
+    void emitMessage(MessageType type, const QString &message, const QString &details) const;
+    [[nodiscard]] QString top() const;
+
+private:
+    StackEntry m_stkBottom {};
+    QStack<StackEntry> *m_stk {};
+    StackEntry *m_stkTop {};
+    int m_stkDepth {};
+    bool m_etc {};
+
+    static int s_tabSize;
+    static int s_warningCount;
+    static int s_warningLimit;
+    static QString s_programName;
+    static QString s_project;
+    static QRegularExpression *s_spuriousRegExp;
+};
+Q_DECLARE_TYPEINFO(Location::StackEntry, Q_RELOCATABLE_TYPE);
+Q_DECLARE_TYPEINFO(Location, Q_COMPLEX_TYPE); // stkTop = &stkBottom
+
+QT_END_NAMESPACE
+
+#endif