diff options
Diffstat (limited to 'libcpp/include/line-map.h')
-rw-r--r-- | libcpp/include/line-map.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libcpp/include/line-map.h b/libcpp/include/line-map.h index 31ac8e5d4c3..9e31a6ae3b9 100644 --- a/libcpp/include/line-map.h +++ b/libcpp/include/line-map.h @@ -143,6 +143,11 @@ extern const struct line_map *linemap_add extern const struct line_map *linemap_lookup (struct line_maps *, source_location); +/* source_location values from 0 to RESERVED_LOCATION_COUNT-1 will + be reserved for libcpp user as special values, no token from libcpp + will contain any of those locations. */ +#define RESERVED_LOCATION_COUNT 2 + /* Converts a map and a source_location to source line. */ #define SOURCE_LINE(MAP, LOC) \ ((((LOC) - (MAP)->start_location) >> (MAP)->column_bits) + (MAP)->to_line) |