diff --git a/src/libclang/debug_helper.cpp b/src/libclang/debug_helper.cpp
new file mode 100644
index 0000000..a60c029
--- /dev/null
+++ b/src/libclang/debug_helper.cpp
@@ -0,0 +1,16 @@
+// Copyright (C) 2017 Jonathan Müller <jonathanmueller.dev@gmail.com>
+// This file is subject to the license terms in the LICENSE file
+// found in the top-level directory of this distribution.
+
+#include "debug_helper.hpp"
+
+#include <cstdio>
+#include <clang-c/Index.h>
+
+using namespace cppast;
+
+void detail::print_cursor_info(const CXCursor& cur) noexcept
+{
+    std::printf("[debug] cursor '%s' (%s)\n", cxstring(clang_getCursorDisplayName(cur)).c_str(),
+                cxstring(clang_getCursorKindSpelling(cur.kind)).c_str());
+}
diff --git a/src/libclang/debug_helper.hpp b/src/libclang/debug_helper.hpp
new file mode 100644
index 0000000..7e7a890
--- /dev/null
+++ b/src/libclang/debug_helper.hpp
@@ -0,0 +1,18 @@
+// Copyright (C) 2017 Jonathan Müller <jonathanmueller.dev@gmail.com>
+// This file is subject to the license terms in the LICENSE file
+// found in the top-level directory of this distribution.
+
+#ifndef CPPAST_DEBUG_HELPER_HPP_INCLUDED
+#define CPPAST_DEBUG_HELPER_HPP_INCLUDED
+
+#include "raii_wrapper.hpp"
+
+namespace cppast
+{
+    namespace detail
+    {
+        void print_cursor_info(const CXCursor& cur) noexcept;
+    }
+} // namespace cppast::detail
+
+#endif // CPPAST_DEBUG_HELPER_HPP_INCLUDED
diff --git a/src/libclang/raii_wrapper.hpp b/src/libclang/raii_wrapper.hpp
index fd34c74..a5deda6 100644
--- a/src/libclang/raii_wrapper.hpp
+++ b/src/libclang/raii_wrapper.hpp
@@ -5,7 +5,9 @@
 #ifndef CPPAST_RAII_WRAPPER_HPP_INCLUDED
 #define CPPAST_RAII_WRAPPER_HPP_INCLUDED
 
+#include <cstring>
 #include <type_traits>
+#include <utility>
 
 #include <clang-c/Index.h>
 
@@ -87,7 +89,7 @@ namespace cppast
         class cxstring
         {
         public:
-            cxstring(CXString str) noexcept
+            explicit cxstring(CXString str) noexcept
             : str_(str), c_str_(clang_getCString(str)), length_(std::strlen(c_str_))
             {
             }