Added preference option to enable detailed preprocessing record when parsing C/C++ buffers

CMakeLists.txt

@@ -1,7 +1,7 @@
 cmake_minimum_required (VERSION 2.8.8)
 
 project(juci)
-set(JUCI_VERSION "1.6.1")
+set(JUCI_VERSION "1.6.1.1")
 
 set(CPACK_PACKAGE_NAME "jucipp")
 set(CPACK_PACKAGE_CONTACT "Ole Christian Eidheim <eidheim@gmail.com>")

src/config.cpp

@@ -174,6 +174,7 @@ void Config::read(const boost::property_tree::ptree &cfg) {
   source.clang_usages_threads = static_cast<unsigned>(source_json.get<int>("clang_usages_threads"));
   source.enable_clang_tidy = source_json.get<bool>("enable_clang_tidy");
   source.clang_tidy_checks = source_json.get<std::string>("clang_tidy_checks");
+  source.enable_clang_detailed_preprocessing_record = source_json.get<bool>("enable_clang_detailed_preprocessing_record");
   source.debug_place_cursor_at_stop = source_json.get<bool>("debug_place_cursor_at_stop");
   auto pt_doc_search = cfg.get_child("documentation_searches");
   for(auto &pt_doc_search_lang : pt_doc_search) {

src/config.hpp

@@ -100,6 +100,8 @@ public:
     bool enable_clang_tidy;
     std::string clang_tidy_checks;
 
+    bool enable_clang_detailed_preprocessing_record = false;
+
     bool debug_place_cursor_at_stop;
 
     std::unordered_map<std::string, DocumentationSearch> documentation_searches;

src/files.hpp

@@ -72,6 +72,8 @@ const std::string default_config_file = R"RAW({
         "enable_clang_tidy": false,
         "clang_tidy_checks_comment": "In new C/C++ buffers, these checks are appended to the value of 'Checks' in the .clang-tidy file, if any",
         "clang_tidy_checks": "",
+        "enable_clang_detailed_preprocessing_record_comment": "Set to true to include all macro definitions and instantiations when parsing C/C++ buffers, at the cost of increased resource use. You should reopen buffers and delete build/.usages_clang after changing this option.",
+        "enable_clang_detailed_preprocessing_record": false,
         "debug_place_cursor_at_stop": false
     },
     "terminal": {

src/source_clang.cpp

@@ -124,7 +124,9 @@ void Source::ClangViewParse::parse_initialize() {
   build->update_default();
   auto arguments = CompileCommands::get_arguments(build->get_default_path(), file_path);
   clang_tokens.reset();
-  clang_tu = std::make_unique<clangmm::TranslationUnit>(std::make_shared<clangmm::Index>(0, Config::get().log.libclang), file_path.string(), arguments, &buffer_raw);
+  int flags = clangmm::TranslationUnit::DefaultFlags() & ~(CXTranslationUnit_DetailedPreprocessingRecord | CXTranslationUnit_Incomplete);
+  flags |= Config::get().source.enable_clang_detailed_preprocessing_record ? CXTranslationUnit_DetailedPreprocessingRecord : CXTranslationUnit_Incomplete;
+  clang_tu = std::make_unique<clangmm::TranslationUnit>(std::make_shared<clangmm::Index>(0, Config::get().log.libclang), file_path.string(), arguments, &buffer_raw, flags);
   clang_tokens = clang_tu->get_tokens();
   clang_tokens_offsets.clear();
   clang_tokens_offsets.reserve(clang_tokens->size());

src/usages_clang.cpp

@@ -259,11 +259,10 @@ boost::optional<std::vector<Usages::Clang::Usages>> Usages::Clang::get_usages(co
             else
               ++it;
           }
-          int flags = CXTranslationUnit_Incomplete;
+          int flags = Config::get().source.enable_clang_detailed_preprocessing_record ? CXTranslationUnit_DetailedPreprocessingRecord : CXTranslationUnit_Incomplete;
 #if CINDEX_VERSION_MAJOR > 0 || (CINDEX_VERSION_MAJOR == 0 && CINDEX_VERSION_MINOR >= 35)
           flags |= CXTranslationUnit_KeepGoing;
 #endif
-
           clangmm::TranslationUnit translation_unit(std::make_shared<clangmm::Index>(0, 0), path.string(), arguments, &buffer, flags);
 
           {