Fixed standard header paths for newest llvm install on Homebrew

src/source_clang.cc

@@ -194,11 +194,16 @@ std::vector<std::string> Source::ClangViewParse::get_compilation_commands() {
   if(boost::regex_match(clang_version_string, sm, clang_version_regex)) {
     auto clang_version=sm[1].str();
     arguments.emplace_back("-I/usr/lib/clang/"+clang_version+"/include");
+#ifdef __APPLE__
     arguments.emplace_back("-I/usr/local/Cellar/llvm/"+clang_version+"/lib/clang/"+clang_version+"/include");
+    arguments.emplace_back("-I/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1");
+#endif
+#ifdef _WIN32
     arguments.emplace_back("-IC:/msys32/mingw32/lib/clang/"+clang_version+"/include");
     arguments.emplace_back("-IC:/msys32/mingw64/lib/clang/"+clang_version+"/include");
     arguments.emplace_back("-IC:/msys64/mingw32/lib/clang/"+clang_version+"/include");
     arguments.emplace_back("-IC:/msys64/mingw64/lib/clang/"+clang_version+"/include");
+#endif
   }
   arguments.emplace_back("-fretain-comments-from-system-headers");
   if(file_path.extension()==".h") //TODO: temporary fix for .h-files (parse as c++)