Function visitCursor

plugins/clang/duchain/builder.cpp:1650–1736

//END Visitor

CXChildVisitResult visitCursor(CXCursor cursor, CXCursor parent, CXClientData data)
{
    auto *visitor = static_cast<Visitor*>(data);

    const auto kind = clang_getCursorKind(cursor);

    auto location = clang_getCursorLocation(cursor);
    CXFile file;
    clang_getFileLocation(location, &file, nullptr, nullptr, nullptr);
    if (!ClangUtils::isFileEqual(file, visitor->m_file)) {
        // don't skip MemberRefExpr with invalid location, see also:
        // http://lists.cs.uiuc.edu/pipermail/cfe-dev/2015-May/043114.html
        const auto invalidMemberRefExpr = !file && kind == CXCursor_MemberRefExpr;
        // also don't skip unexposed declarations, which may e.g. be an `extern "C"` directive
        const auto unexposedDecl = file && kind == CXCursor_UnexposedDecl;
        // newer clang properly reports LinkageSpec instead of UnexposedDecl
        const auto linkageSpec = file && kind == CXCursor_LinkageSpec;
        if (!invalidMemberRefExpr && !unexposedDecl && !linkageSpec) {
            return CXChildVisit_Continue;
        }
    }

#define UseCursorKind(CursorKind, ...) case CursorKind: return visitor->dispatchCursor<CursorKind>(__VA_ARGS__);
    switch (kind)
    {
    UseCursorKind(CXCursor_UnexposedDecl, cursor, parent);
    UseCursorKind(CXCursor_StructDecl, cursor, parent);
    UseCursorKind(CXCursor_UnionDecl, cursor, parent);
    UseCursorKind(CXCursor_ClassDecl, cursor, parent);
    UseCursorKind(CXCursor_EnumDecl, cursor, parent);
    UseCursorKind(CXCursor_FieldDecl, cursor, parent);
    UseCursorKind(CXCursor_EnumConstantDecl, cursor, parent);
    UseCursorKind(CXCursor_FunctionDecl, cursor, parent);
    UseCursorKind(CXCursor_VarDecl, cursor, parent);
    UseCursorKind(CXCursor_TypeAliasDecl, cursor, parent);
    UseCursorKind(CXCursor_TypedefDecl, cursor, parent);
    UseCursorKind(CXCursor_CXXMethod, cursor, parent);
    UseCursorKind(CXCursor_Namespace, cursor, parent);
    UseCursorKind(CXCursor_NamespaceAlias, cursor, parent);
    UseCursorKind(CXCursor_Constructor, cursor, parent);
    UseCursorKind(CXCursor_Destructor, cursor, parent);
    UseCursorKind(CXCursor_ConversionFunction, cursor, parent);
    UseCursorKind(CXCursor_TemplateTypeParameter, cursor, parent);
    UseCursorKind(CXCursor_NonTypeTemplateParameter, cursor, parent);
    UseCursorKind(CXCursor_TemplateTemplateParameter, cursor, parent);
    UseCursorKind(CXCursor_FunctionTemplate, cursor, parent);
    UseCursorKind(CXCursor_ClassTemplate, cursor, parent);
    UseCursorKind(CXCursor_ClassTemplatePartialSpecialization, cursor, parent);
    UseCursorKind(CXCursor_ObjCInterfaceDecl, cursor, parent);
    UseCursorKind(CXCursor_ObjCCategoryDecl, cursor, parent);
    UseCursorKind(CXCursor_ObjCProtocolDecl, cursor, parent);
    UseCursorKind(CXCursor_ObjCPropertyDecl, cursor, parent);
    UseCursorKind(CXCursor_ObjCIvarDecl, cursor, parent);
    UseCursorKind(CXCursor_ObjCInstanceMethodDecl, cursor, parent);
    UseCursorKind(CXCursor_ObjCClassMethodDecl, cursor, parent);
    UseCursorKind(CXCursor_ObjCImplementationDecl, cursor, parent);
    UseCursorKind(CXCursor_ObjCCategoryImplDecl, cursor, parent);
    UseCursorKind(CXCursor_MacroDefinition, cursor, parent);