1 files changed, 94 insertions, 0 deletions
diff --git a/src/qdoc/qdoc/src/qdoc/clangcodeparser.h b/src/qdoc/qdoc/src/qdoc/clangcodeparser.h
new file mode 100644
index 000000000..d7568f9a4
--- /dev/null
+++ b/src/qdoc/qdoc/src/qdoc/clangcodeparser.h
@@ -0,0 +1,94 @@
+// 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 CLANGCODEPARSER_H
+#define CLANGCODEPARSER_H
+
+#include "codeparser.h"
+#include "parsererror.h"
+#include "config.h"
+
+#include <QtCore/qtemporarydir.h>
+#include <QtCore/QStringList>
+
+#include <optional>
+
+typedef struct CXTranslationUnitImpl *CXTranslationUnit;
+
+class CppCodeParser;
+
+QT_BEGIN_NAMESPACE
+
+struct ParsedCppFileIR {
+    std::vector<UntiedDocumentation> untied;
+    std::vector<TiedDocumentation> tied;
+};
+
+struct PCHFile {
+    QTemporaryDir dir;
+    QByteArray name;
+};
+
+std::optional<PCHFile> buildPCH(
+    QDocDatabase* qdb,
+    QString module_header,
+    const std::set<Config::HeaderFilePath>& all_headers,
+    const std::vector<QByteArray>& include_paths,
+    const QList<QByteArray>& defines
+);
+
+struct FnCommandParser {
+    FnCommandParser(
+        QDocDatabase* qdb,
+        const std::set<Config::HeaderFilePath>& all_headers,
+        const QList<QByteArray>& defines,
+        std::optional<std::reference_wrapper<const PCHFile>> pch
+    ) : m_qdb{qdb},
+        m_allHeaders{all_headers},
+        m_defines{defines},
+        m_args{},
+        m_pch{pch}
+    {}
+
+    std::variant<Node*, FnMatchError> operator()(
+        const Location &location,
+        const QString &fnSignature,
+        const QString &idTag,
+        QStringList context
+   );
+
+private:
+    QDocDatabase* m_qdb;
+    const std::set<Config::HeaderFilePath>& m_allHeaders; // file name->path
+    QList<QByteArray> m_defines {};
+    std::vector<const char *> m_args {};
+    std::optional<std::reference_wrapper<const PCHFile>> m_pch;
+};
+
+class ClangCodeParser
+{
+public:
+    ClangCodeParser(
+        QDocDatabase* qdb,
+        Config&,
+        const std::vector<QByteArray>& include_paths,
+        const QList<QByteArray>& defines,
+        std::optional<std::reference_wrapper<const PCHFile>> pch
+    );
+
+    ParsedCppFileIR parse_cpp_file(const QString &filePath);
+
+private:
+    QDocDatabase* m_qdb{};
+    std::set<Config::HeaderFilePath> m_allHeaders {}; // file name->path
+    const std::vector<QByteArray>& m_includePaths;
+    QList<QByteArray> m_defines {};
+    std::vector<const char *> m_args {};
+    QStringList m_namespaceScope {};
+    QByteArray s_fn;
+    std::optional<std::reference_wrapper<const PCHFile>> m_pch;
+};
+
+QT_END_NAMESPACE
+
+#endif