Parse cpp_namespace

test/cpp_namespace.cpp

@@ -0,0 +1,53 @@
+// 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_namespace.hpp>
+
+#include "test_parser.hpp"
+
+using namespace cppast;
+
+TEST_CASE("cpp_namespace")
+{
+    auto code = R"(
+namespace a {}
+
+inline namespace b {}
+
+namespace c
+{
+    namespace d {}
+}
+)";
+
+    auto file  = parse({}, "cpp_namespace.cpp", code);
+    auto count = test_visit<cpp_namespace>(*file, [&](const cpp_namespace& ns) {
+        auto no_children = count_children(ns);
+        if (ns.name() == "a")
+        {
+            REQUIRE(!ns.is_inline());
+            REQUIRE(no_children == 0u);
+        }
+        else if (ns.name() == "b")
+        {
+            REQUIRE(ns.is_inline());
+            REQUIRE(no_children == 0u);
+        }
+        else if (ns.name() == "c")
+        {
+            REQUIRE(!ns.is_inline());
+            REQUIRE(no_children == 1u);
+        }
+        else if (ns.name() == "d")
+        {
+            REQUIRE(ns.parent());
+            REQUIRE(ns.parent().value().name() == "c");
+            REQUIRE(!ns.is_inline());
+            REQUIRE(no_children == 0u);
+        }
+        else
+            REQUIRE(false);
+    });
+    REQUIRE(count == 4u);
+}

test/test_parser.hpp

@@ -13,14 +13,14 @@
 #include <cppast/libclang_parser.hpp>
 #include <cppast/visitor.hpp>
 
-void write_file(const char* name, const char* code)
+inline void write_file(const char* name, const char* code)
 {
     std::ofstream file(name);
     file << code;
 }
 
-std::unique_ptr<cppast::cpp_file> parse(const cppast::cpp_entity_index& idx, const char* name,
-                                        const char* code)
+inline std::unique_ptr<cppast::cpp_file> parse(const cppast::cpp_entity_index& idx,
+                                               const char* name, const char* code)
 {
     using namespace cppast;
 
@@ -38,7 +38,10 @@ template <typename T, typename Func>
 unsigned test_visit(const cppast::cpp_file& file, Func f)
 {
     auto count = 0u;
-    cppast::visit(file, [&](const cppast::cpp_entity& e, cppast::visitor_info) {
+    cppast::visit(file, [&](const cppast::cpp_entity& e, cppast::visitor_info info) {
+        if (info == cppast::visitor_info::container_entity_exit)
+            return true; // already handled
+
         if (e.kind() == T::kind())
         {
             auto& obj = static_cast<const T&>(e);
@@ -52,4 +55,11 @@ unsigned test_visit(const cppast::cpp_file& file, Func f)
     return count;
 }
 
+// number of direct children
+template <class Entity>
+unsigned count_children(const Entity& cont)
+{
+    return std::distance(cont.begin(), cont.end());
+}
+
 #endif // CPPAST_TEST_PARSER_HPP_INCLUDED