diff options
Diffstat (limited to 'libcpp/include/line-map.h')
| -rw-r--r-- | libcpp/include/line-map.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/libcpp/include/line-map.h b/libcpp/include/line-map.h index 22e2f0f..1c81fc5 100644 --- a/libcpp/include/line-map.h +++ b/libcpp/include/line-map.h @@ -666,12 +666,30 @@ source_location linemap_resolve_location (struct line_maps *, location L of the point where M got expanded. If L is a spelling location inside a macro expansion M', then this function returns the point where M' was expanded. LOC_MAP is an output parameter. - When non-NULL, *LOC_MAP is set the the map of the returned + When non-NULL, *LOC_MAP is set to the map of the returned location. */ source_location linemap_unwind_toward_expansion (struct line_maps *, source_location loc, const struct line_map **loc_map); +/* If LOC is the virtual location of a token coming from the expansion + of a macro M and if its spelling location is reserved (e.g, a + location for a built-in token), then this function unwinds (using + linemap_unwind_toward_expansion) the location until a location that + is not reserved and is not in a system header is reached. In other + words, this unwinds the reserved location until a location that is + in real source code is reached. + + Otherwise, if the spelling location for LOC is not reserved or if + LOC doesn't come from the expansion of a macro, the function + returns LOC as is and *MAP is not touched. + + *MAP is set to the map of the returned location if the later is + different from LOC. */ +source_location linemap_unwind_to_first_non_reserved_loc (struct line_maps *, + source_location loc, + const struct line_map **map); + /* Expand source code location LOC and return a user readable source code location. LOC must be a spelling (non-virtual) location. If it's a location < RESERVED_LOCATION_COUNT a zeroed expanded source |