diff options
Diffstat (limited to 'gcc/input.c')
-rw-r--r-- | gcc/input.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc/input.c b/gcc/input.c index 172d13a8ad7..76a33077bc2 100644 --- a/gcc/input.c +++ b/gcc/input.c @@ -249,6 +249,32 @@ lookup_file_in_cache_tab (const char *file_path) return r; } +/* Purge any mention of FILENAME from the cache of files used for + printing source code. For use in selftests when working + with tempfiles. */ + +void +diagnostics_file_cache_forcibly_evict_file (const char *file_path) +{ + gcc_assert (file_path); + + fcache *r = lookup_file_in_cache_tab (file_path); + if (!r) + /* Not found. */ + return; + + r->file_path = NULL; + if (r->fp) + fclose (r->fp); + r->fp = NULL; + r->nb_read = 0; + r->line_start_idx = 0; + r->line_num = 0; + r->line_record.truncate (0); + r->use_count = 0; + r->total_lines = 0; +} + /* Return the file cache that has been less used, recently, or the first empty one. If HIGHEST_USE_COUNT is non-null, *HIGHEST_USE_COUNT is set to the highest use count of the entries |