Parse cpp_language_linkage

src/libclang/language_linkage_parser.cpp

@@ -0,0 +1,46 @@
+// 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 "parse_functions.hpp"
+
+#include <cppast/cpp_language_linkage.hpp>
+#include <clang-c/Index.h>
+
+#include "libclang_visitor.hpp"
+
+using namespace cppast;
+
+namespace
+{
+    cpp_language_linkage::builder make_ll_builder(const detail::parse_context& context,
+                                                  const CXCursor&              cur)
+    {
+    }
+}
+
+std::unique_ptr<cpp_entity> detail::try_parse_cpp_language_linkage(const parse_context& context,
+                                                                   const CXCursor&      cur)
+{
+    DEBUG_ASSERT(cur.kind == CXCursor_UnexposedDecl,
+                 detail::assert_handler{}); // not exposed currently
+
+    detail::tokenizer    tokenizer(context.tu, context.file, cur);
+    detail::token_stream stream(tokenizer, cur);
+
+    // extern <name> ...
+    if (!detail::skip_if(stream, "extern"))
+        return nullptr;
+    // unexposed variable starting with extern - must be a language linkage
+    // (function, variables are not unexposed)
+    auto& name = stream.get().value();
+
+    auto builder = cpp_language_linkage::builder(name.c_str());
+    detail::visit_children(cur, [&](const CXCursor& child) {
+        auto entity = parse_entity(context, child);
+        if (entity)
+            builder.add_child(std::move(entity));
+    });
+
+    return builder.finish();
+}