1 // Copyright 2018 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "Util.h" 6 7 #include "clang/AST/Decl.h" 8 #include "llvm/Support/Casting.h" 9 #include "llvm/Support/raw_ostream.h" 10 11 namespace { 12 13 std::string GetNamespaceImpl(const clang::DeclContext* context, 14 const std::string& candidate) { 15 switch (context->getDeclKind()) { 16 case clang::Decl::TranslationUnit: { 17 return candidate; 18 } 19 case clang::Decl::Namespace: { 20 const auto* decl = llvm::dyn_cast<clang::NamespaceDecl>(context); 21 std::string name_str; 22 llvm::raw_string_ostream OS(name_str); 23 if (decl->isAnonymousNamespace()) 24 OS << "<anonymous namespace>"; 25 else 26 OS << *decl; 27 return GetNamespaceImpl(context->getParent(), OS.str()); 28 } 29 default: { return GetNamespaceImpl(context->getParent(), candidate); } 30 } 31 } 32 33 } // namespace 34 35 std::string GetNamespace(const clang::Decl* record) { 36 return GetNamespaceImpl(record->getDeclContext(), std::string()); 37 } 38
