1 files changed, 83 insertions, 0 deletions
diff --git a/src/qmlcompiler/qqmlsasourcelocation.h b/src/qmlcompiler/qqmlsasourcelocation.h
new file mode 100644
index 0000000000..7009d4faef
--- /dev/null
+++ b/src/qmlcompiler/qqmlsasourcelocation.h
@@ -0,0 +1,83 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#ifndef QQMLSASOURCELOCATION_H
+#define QQMLSASOURCELOCATION_H
+
+#include <QtQmlCompiler/qtqmlcompilerexports.h>
+
+#include <QtCore/qstringview.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace QQmlJS {
+class SourceLocation;
+} // namespace QQmlJS
+
+namespace QQmlSA {
+
+class SourceLocationPrivate;
+
+class Q_QMLCOMPILER_EXPORT SourceLocation
+{
+    friend class QT_PREPEND_NAMESPACE(QQmlSA::SourceLocationPrivate);
+
+public:
+    explicit SourceLocation(quint32 offset = 0, quint32 length = 0, quint32 line = 0,
+                            quint32 column = 0);
+    SourceLocation(const SourceLocation &);
+    SourceLocation(SourceLocation &&other) noexcept
+    {
+        memcpy(m_data, other.m_data, sizeofSourceLocation);
+        memset(other.m_data, 0, sizeofSourceLocation);
+    }
+    SourceLocation &operator=(const SourceLocation &);
+    SourceLocation &operator=(SourceLocation &&other) noexcept
+    {
+        memcpy(m_data, other.m_data, sizeofSourceLocation);
+        memset(other.m_data, 0, sizeofSourceLocation);
+        return *this;
+    }
+    ~SourceLocation();
+
+    bool isValid() const;
+
+    quint32 begin() const;
+    quint32 end() const;
+
+    quint32 offset() const;
+    quint32 length() const;
+    quint32 startLine() const;
+    quint32 startColumn() const;
+
+    SourceLocation startZeroLengthLocation() const;
+    SourceLocation endZeroLengthLocation(QStringView text) const;
+
+    friend qsizetype qHash(const SourceLocation &location, qsizetype seed = 0)
+    {
+        return qHashImpl(location, seed);
+    }
+
+    friend bool operator==(const SourceLocation &lhs, const SourceLocation &rhs)
+    {
+        return operatorEqualsImpl(lhs, rhs);
+    }
+
+    friend bool operator!=(const SourceLocation &lhs, const SourceLocation &rhs)
+    {
+        return !(lhs == rhs);
+    }
+
+private:
+    static qsizetype qHashImpl(const SourceLocation &location, qsizetype seed);
+    static bool operatorEqualsImpl(const SourceLocation &, const SourceLocation &);
+
+    static constexpr qsizetype sizeofSourceLocation = 4 * sizeof(quint32);
+    alignas(int) char m_data[sizeofSourceLocation] = {};
+};
+
+} // namespace QQmlSA
+
+QT_END_NAMESPACE
+
+#endif // QQMLSASOURCELOCATION_H