Add cpp_variable

include/cppast/cpp_entity_kind.hpp

@@ -24,6 +24,8 @@ namespace cppast
         enum_t,
         enum_value_t,
 
+        variable_t,
+
         count,
     };
 

include/cppast/cpp_variable.hpp

@@ -0,0 +1,57 @@
+// 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_CPP_VARIABLE_HPP_INCLUDED
+#define CPPAST_CPP_VARIABLE_HPP_INCLUDED
+
+#include <cppast/cpp_variable_base.hpp>
+
+namespace cppast
+{
+    /// Storage class and other specifiers for a [cppast::cpp_variable]().
+    enum cpp_variable_specifiers
+    {
+        cpp_var_none = 0,
+
+        cpp_var_static = 1,
+        cpp_var_extern = 2,
+
+        cpp_var_thread_local = 4,
+
+        cpp_var_constexpr = 8,
+    };
+
+    /// A [cppast::cpp_entity]() modelling a C++ variable.
+    /// \notes This is not a member variable,
+    /// use [cppast::cpp_member_variable]() for that.
+    class cpp_variable final : public cpp_variable_base
+    {
+    public:
+        /// \returns A newly created and registered variable.
+        /// \notes The default value may be `nullptr` indicating no default value.
+        static std::unique_ptr<cpp_variable> build(const cpp_entity_index& idx, cpp_entity_id id,
+                                                   std::string name, std::unique_ptr<cpp_type> type,
+                                                   std::unique_ptr<cpp_expression> def,
+                                                   cpp_variable_specifiers         spec);
+
+        /// \returns The [cppast::cpp_variable_specifiers]() on that variable.
+        cpp_variable_specifiers specifiers() const noexcept
+        {
+            return specifiers_;
+        }
+
+    private:
+        cpp_variable(std::string name, std::unique_ptr<cpp_type> type,
+                     std::unique_ptr<cpp_expression> def, cpp_variable_specifiers spec)
+        : cpp_variable_base(std::move(name), std::move(type), std::move(def)), specifiers_(spec)
+        {
+        }
+
+        cpp_entity_kind do_get_entity_kind() const noexcept override;
+
+        cpp_variable_specifiers specifiers_;
+    };
+} // namespace cppast
+
+#endif // CPPAST_CPP_VARIABLE_HPP_INCLUDED