diff options
Diffstat (limited to 'libcpp/line-map.cc')
| -rw-r--r-- | libcpp/line-map.cc | 38 |
1 files changed, 31 insertions, 7 deletions
diff --git a/libcpp/line-map.cc b/libcpp/line-map.cc index 391f1d4..50e8043 100644 --- a/libcpp/line-map.cc +++ b/libcpp/line-map.cc @@ -67,7 +67,8 @@ location_adhoc_data_hash (const void *l) return ((hashval_t) lb->locus + (hashval_t) lb->src_range.m_start + (hashval_t) lb->src_range.m_finish - + (size_t) lb->data); + + (size_t) lb->data + + lb->discriminator); } /* Compare function for location_adhoc_data hashtable. */ @@ -82,7 +83,8 @@ location_adhoc_data_eq (const void *l1, const void *l2) return (lb1->locus == lb2->locus && lb1->src_range.m_start == lb2->src_range.m_start && lb1->src_range.m_finish == lb2->src_range.m_finish - && lb1->data == lb2->data); + && lb1->data == lb2->data + && lb1->discriminator == lb2->discriminator); } /* Update the hashtable when location_adhoc_data_map::data is reallocated. @@ -127,13 +129,17 @@ static bool can_be_stored_compactly_p (line_maps *set, location_t locus, source_range src_range, - void *data) + void *data, + unsigned discriminator) { /* If there's an ad-hoc pointer, we can't store it directly in the location_t, we need the lookaside. */ if (data) return false; + if (discriminator != 0) + return false; + /* We only store ranges that begin at the locus and that are sufficiently "sane". */ if (src_range.m_start != locus) @@ -168,7 +174,8 @@ location_t get_combined_adhoc_loc (line_maps *set, location_t locus, source_range src_range, - void *data) + void *data, + unsigned discriminator) { struct location_adhoc_data lb; struct location_adhoc_data **slot; @@ -186,7 +193,7 @@ get_combined_adhoc_loc (line_maps *set, || pure_location_p (set, locus)); /* Consider short-range optimization. */ - if (can_be_stored_compactly_p (set, locus, src_range, data)) + if (can_be_stored_compactly_p (set, locus, src_range, data, discriminator)) { /* The low bits ought to be clear. */ linemap_assert (pure_location_p (set, locus)); @@ -206,15 +213,16 @@ get_combined_adhoc_loc (line_maps *set, when locus == start == finish (and data is NULL). */ if (locus == src_range.m_start && locus == src_range.m_finish - && !data) + && !data && discriminator == 0) return locus; - if (!data) + if (!data && discriminator == 0) set->num_unoptimized_ranges++; lb.locus = locus; lb.src_range = src_range; lb.data = data; + lb.discriminator = discriminator; slot = (struct location_adhoc_data **) htab_find_slot (set->location_adhoc_data_map.htab, &lb, INSERT); if (*slot == NULL) @@ -261,6 +269,13 @@ get_data_from_adhoc_loc (const class line_maps *set, location_t loc) return set->location_adhoc_data_map.data[loc & MAX_LOCATION_T].data; } +unsigned +get_discriminator_from_adhoc_loc (const class line_maps *set, location_t loc) +{ + linemap_assert (IS_ADHOC_LOC (loc)); + return set->location_adhoc_data_map.data[loc & MAX_LOCATION_T].discriminator; +} + /* Return the location for the adhoc loc. */ location_t @@ -306,6 +321,15 @@ get_range_from_loc (line_maps *set, return source_range::from_location (loc); } +unsigned +get_discriminator_from_loc (line_maps *set, + location_t loc) +{ + if (IS_ADHOC_LOC (loc)) + return get_discriminator_from_adhoc_loc (set, loc); + return 0; +} + /* Get whether location LOC is a "pure" location, or whether it is an ad-hoc location, or embeds range information. */ |