should be it

external/duckdb/extension/autocomplete/keyword_helper.cpp

@@ -0,0 +1,35 @@
+#include "keyword_helper.hpp"
+
+namespace duckdb {
+PEGKeywordHelper &PEGKeywordHelper::Instance() {
+	static PEGKeywordHelper instance;
+	return instance;
+}
+
+PEGKeywordHelper::PEGKeywordHelper() {
+	InitializeKeywordMaps();
+}
+
+bool PEGKeywordHelper::KeywordCategoryType(const std::string &text, const PEGKeywordCategory type) const {
+	switch (type) {
+	case PEGKeywordCategory::KEYWORD_RESERVED: {
+		auto it = reserved_keyword_map.find(text);
+		return it != reserved_keyword_map.end();
+	}
+	case PEGKeywordCategory::KEYWORD_UNRESERVED: {
+		auto it = unreserved_keyword_map.find(text);
+		return it != unreserved_keyword_map.end();
+	}
+	case PEGKeywordCategory::KEYWORD_TYPE_FUNC: {
+		auto it = typefunc_keyword_map.find(text);
+		return it != typefunc_keyword_map.end();
+	}
+	case PEGKeywordCategory::KEYWORD_COL_NAME: {
+		auto it = colname_keyword_map.find(text);
+		return it != colname_keyword_map.end();
+	}
+	default:
+		return false;
+	}
+}
+} // namespace duckdb