From 78157d43fc49e8b45ef7c47523b25e1659835b1d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonathan=20M=C3=BCller?= <git@foonathan.net>
Date: Sun, 5 Feb 2017 22:03:57 +0100
Subject: [PATCH] Add cpp_variable_template

---
 include/cppast/cpp_entity_kind.hpp       |  1 +
 include/cppast/cpp_variable_template.hpp | 42 ++++++++++++++++++++++++
 src/cpp_entity_kind.cpp                  |  4 +++
 src/cpp_variable_template.cpp            | 14 ++++++++
 src/visitor.cpp                          |  3 ++
 5 files changed, 64 insertions(+)
 create mode 100644 include/cppast/cpp_variable_template.hpp
 create mode 100644 src/cpp_variable_template.cpp

diff --git a/include/cppast/cpp_entity_kind.hpp b/include/cppast/cpp_entity_kind.hpp
index 1a66bb4..2eef2e8 100644
--- a/include/cppast/cpp_entity_kind.hpp
+++ b/include/cppast/cpp_entity_kind.hpp
@@ -46,6 +46,7 @@ namespace cppast
         template_template_parameter_t,
 
         alias_template_t,
+        variable_template_t,
         function_template_t,
         function_template_specialization_t,
         class_template_t,
diff --git a/include/cppast/cpp_variable_template.hpp b/include/cppast/cpp_variable_template.hpp
new file mode 100644
index 0000000..af00c7e
--- /dev/null
+++ b/include/cppast/cpp_variable_template.hpp
@@ -0,0 +1,42 @@
+// 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_TEMPLATE_HPP_INCLUDED
+#define CPPAST_CPP_VARIABLE_TEMPLATE_HPP_INCLUDED
+
+#include <cppast/cpp_template.hpp>
+#include <cppast/cpp_variable.hpp>
+
+namespace cppast
+{
+    /// A [cppast::cpp_entity]() modelling a C++ alias template.
+    class cpp_variable_template final : public cpp_template
+    {
+    public:
+        /// Builder for [cppast::cpp_variable_template]().
+        class builder : public basic_builder<cpp_variable_template, cpp_variable>
+        {
+        public:
+            using basic_builder::basic_builder;
+        };
+
+        /// \returns A reference to the type variable that is being templated.
+        const cpp_variable& variable() const noexcept
+        {
+            return static_cast<const cpp_variable&>(*begin());
+        }
+
+    private:
+        cpp_variable_template(std::unique_ptr<cpp_variable> variable)
+        : cpp_template(std::unique_ptr<cpp_entity>(variable.release()))
+        {
+        }
+
+        cpp_entity_kind do_get_entity_kind() const noexcept override;
+
+        friend basic_builder<cpp_variable_template, cpp_variable>;
+    };
+} // namespace cppast
+
+#endif // CPPAST_CPP_VARIABLE_TEMPLATE_HPP_INCLUDED
diff --git a/src/cpp_entity_kind.cpp b/src/cpp_entity_kind.cpp
index a0d033d..91aeab4 100644
--- a/src/cpp_entity_kind.cpp
+++ b/src/cpp_entity_kind.cpp
@@ -69,6 +69,8 @@ const char* cppast::to_string(cpp_entity_kind kind) noexcept
 
     case cpp_entity_kind::alias_template_t:
         return "alias template";
+    case cpp_entity_kind::variable_template_t:
+        return "variable template";
     case cpp_entity_kind::function_template_t:
         return "function template";
     case cpp_entity_kind::function_template_specialization_t:
@@ -116,6 +118,7 @@ bool cppast::is_type(cpp_entity_kind kind) noexcept
     case cpp_entity_kind::non_type_template_parameter_t:
     case cpp_entity_kind::template_template_parameter_t:
     case cpp_entity_kind::alias_template_t:
+    case cpp_entity_kind::variable_template_t:
     case cpp_entity_kind::function_template_t:
     case cpp_entity_kind::function_template_specialization_t:
     case cpp_entity_kind::class_template_t:
@@ -132,6 +135,7 @@ bool cppast::is_template(cpp_entity_kind kind) noexcept
     switch (kind)
     {
     case cpp_entity_kind::alias_template_t:
+    case cpp_entity_kind::variable_template_t:
     case cpp_entity_kind::function_template_t:
     case cpp_entity_kind::function_template_specialization_t:
     case cpp_entity_kind::class_template_t:
diff --git a/src/cpp_variable_template.cpp b/src/cpp_variable_template.cpp
new file mode 100644
index 0000000..7268cdc
--- /dev/null
+++ b/src/cpp_variable_template.cpp
@@ -0,0 +1,14 @@
+// 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 <cppast/cpp_variable_template.hpp>
+
+#include <cppast/cpp_entity_kind.hpp>
+
+using namespace cppast;
+
+cpp_entity_kind cpp_variable_template::do_get_entity_kind() const noexcept
+{
+    return cpp_entity_kind::variable_template_t;
+}
diff --git a/src/visitor.cpp b/src/visitor.cpp
index 7ec3193..73f9ddd 100644
--- a/src/visitor.cpp
+++ b/src/visitor.cpp
@@ -17,6 +17,7 @@
 #include <cppast/cpp_member_function.hpp>
 #include <cppast/cpp_namespace.hpp>
 #include <cppast/cpp_template_parameter.hpp>
+#include <cppast/cpp_variable_template.hpp>
 
 using namespace cppast;
 
@@ -65,6 +66,8 @@ bool detail::visit(const cpp_entity& e, detail::visitor_callback_t cb, void* fun
         return handle_container<cpp_template_template_parameter>(e, cb, functor);
     case cpp_entity_kind::alias_template_t:
         return handle_container<cpp_alias_template>(e, cb, functor);
+    case cpp_entity_kind::variable_template_t:
+        return handle_container<cpp_variable_template>(e, cb, functor);
     case cpp_entity_kind::function_template_t:
         return handle_container<cpp_function_template>(e, cb, functor);
     case cpp_entity_kind::function_template_specialization_t: