On Mon, 2016-08-29 at 19:55 -0400, David Malcolm wrote: [...] > Assuming you have the location_t values available, you can create a > rich_location for the primary range, and then add secondary ranges > like > this: > > rich_location richloc (loc_of_arg1);
Oops, the above should be: rich_location richloc (line_table, loc_of_arg1); or: gcc_rich_location (loc_of_arg1); which does the same thing (#include "gcc-rich-location.h"). > richloc.add_range (loc_of_arg3, false); /* false here = don't draw > a > caret, just the underline */ > richloc.add_range (loc_of_arg4, false); > warning_at_rich_loc (&richloc, OPT_Wrestrict, etc... > > See line-map.h for more information on rich_location. [...]