1 files changed, 86 insertions, 0 deletions
diff --git a/sources/shiboken6/ApiExtractor/clangparser/clangparser.h b/sources/shiboken6/ApiExtractor/clangparser/clangparser.h
new file mode 100644
index 000000000..4a46248e4
--- /dev/null
+++ b/sources/shiboken6/ApiExtractor/clangparser/clangparser.h
@@ -0,0 +1,86 @@
+// Copyright (C) 2017 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#ifndef CLANGPARSER_H
+#define CLANGPARSER_H
+
+#include <clang-c/Index.h>
+
+#include <QtCore/QByteArrayList>
+#include <QtCore/QHash>
+#include <QtCore/QString>
+#include <QtCore/QList>
+
+#include <string_view>
+#include <utility>
+
+namespace clang {
+
+struct Diagnostic;
+
+class SourceFileCache {
+public:
+    std::string_view getCodeSnippet(const CXCursor &cursor, QString *errorMessage = nullptr);
+    QString getFileName(CXFile file);
+
+private:
+    using FileBufferCache = QHash<CXFile, QByteArray>;
+    using FileNameCache = QHash<CXFile, QString>;
+
+    FileBufferCache m_fileBufferCache;
+    FileNameCache m_fileNameCache;
+};
+
+enum class LocationType
+{
+    Main, // Main header parsed for bindings
+    Other, // A header parsed for bindings
+    System,  // A system header
+    Unknown  // Clang internal
+};
+
+class BaseVisitor {
+    Q_DISABLE_COPY_MOVE(BaseVisitor)
+public:
+    using Diagnostics = QList<Diagnostic>;
+
+    enum StartTokenResult { Error, Skip, Recurse };
+
+    BaseVisitor();
+    virtual ~BaseVisitor();
+
+    // Whether location should be visited.
+    // defaults to clang_Location_isFromMainFile()
+    virtual bool visitLocation(const QString &fileName, LocationType locationType) const;
+
+    virtual StartTokenResult startToken(const CXCursor &cursor) = 0;
+    virtual bool endToken(const CXCursor &cursor) = 0;
+
+    StartTokenResult cbHandleStartToken(const CXCursor &cursor);
+    bool cbHandleEndToken(const CXCursor &cursor, StartTokenResult startResult);
+
+    QString getFileName(CXFile file) { return m_fileCache.getFileName(file); }
+    std::string_view getCodeSnippet(const CXCursor &cursor);
+    QString getCodeSnippetString(const CXCursor &cursor);
+
+    Diagnostics diagnostics() const;
+    void setDiagnostics(const Diagnostics &d);
+    void appendDiagnostic(const Diagnostic &d);
+
+    // For usage by the parser
+    bool _handleVisitLocation( const CXSourceLocation &location);
+
+private:
+    SourceFileCache m_fileCache;
+    Diagnostics m_diagnostics;
+    CXFile m_currentCxFile{};
+    bool m_visitCurrent = true;
+};
+
+bool parse(const QByteArrayList  &clangArgs,
+           bool addCompilerSupportArguments,
+           unsigned clangFlags, BaseVisitor &ctx);
+
+} // namespace clang
+
+#endif // !CLANGPARSER_H