44   unsigned flags;  in _cpp_preprocess_dir_only()  local
61   flags = DO_BOL;  in _cpp_preprocess_dir_only()
87       if (__builtin_expect (last_c == '#', false) && !(flags & DO_SPECIAL))  in _cpp_preprocess_dir_only()
89 	  if (c != '#' && (flags & DO_BOL))  in _cpp_preprocess_dir_only()
120 	  flags &= ~DO_BOL;  in _cpp_preprocess_dir_only()
124 	       && !(flags & DO_SPECIAL) && c != '*' && c != '/')  in _cpp_preprocess_dir_only()
128 	  flags &= ~DO_BOL;  in _cpp_preprocess_dir_only()
135 	  if ((flags & DO_BLOCK_COMMENT) && last_c == '*')  in _cpp_preprocess_dir_only()
137 	      flags &= ~DO_BLOCK_COMMENT;  in _cpp_preprocess_dir_only()
140 	  else if (!(flags & DO_SPECIAL) && last_c == '/')  in _cpp_preprocess_dir_only()
141 	    flags |= DO_LINE_COMMENT;  in _cpp_preprocess_dir_only()
142 	  else if (!(flags & DO_SPECIAL))  in _cpp_preprocess_dir_only()
149 	  if (!(flags & DO_SPECIAL))  in _cpp_preprocess_dir_only()
152 		flags |= DO_BLOCK_COMMENT;  in _cpp_preprocess_dir_only()
155 		  flags &= ~DO_BOL;  in _cpp_preprocess_dir_only()
167 	    if (!(flags & DO_SPECIAL))  in _cpp_preprocess_dir_only()
169 		flags |= state;  in _cpp_preprocess_dir_only()
170 		flags &= ~DO_BOL;  in _cpp_preprocess_dir_only()
173 	    else if ((flags & state) && last_c != '\\')  in _cpp_preprocess_dir_only()
174 	      flags &= ~state;  in _cpp_preprocess_dir_only()
181 	    if ((flags & (DO_STRING | DO_CHAR)) && last_c == '\\')  in _cpp_preprocess_dir_only()
184 	    if (!(flags & DO_SPECIAL))  in _cpp_preprocess_dir_only()
186 		flags &= ~DO_BOL;  in _cpp_preprocess_dir_only()
197 	  flags &= ~DO_LINE_SPECIAL;  in _cpp_preprocess_dir_only()
198 	  if (!(flags & DO_SPECIAL))  in _cpp_preprocess_dir_only()
199 	    flags |= DO_BOL;  in _cpp_preprocess_dir_only()
211 	  if (!(flags & DO_SPECIAL))  in _cpp_preprocess_dir_only()
213 	      flags &= ~DO_BOL;  in _cpp_preprocess_dir_only()
220   if (flags & DO_BLOCK_COMMENT)  in _cpp_preprocess_dir_only()