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authorDavid Malcolm <dmalcolm@redhat.com>2018-06-12 18:28:37 +0000
committerDavid Malcolm <dmalcolm@gcc.gnu.org>2018-06-12 18:28:37 +0000
commitb80a188beea98da44228d6030932af0769946f83 (patch)
tree30899a1fa363ab017696f4a64c390302d401ce6b /gcc/fortran/misc.c
parente3329a782fc0e51b9a4ddfc6938a484ec4b03084 (diff)
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spellcheck: support transpositions aka Damerau-Levenshtein (PR other/69968)
gcc/fortran/ChangeLog: PR other/69968 * misc.c (gfc_closest_fuzzy_match): Update for renaming of levenshtein_distance to get_edit_distance. gcc/ChangeLog: PR other/69968 * spellcheck-tree.c (levenshtein_distance): Rename to... (get_edit_distance): ...this, and update for underlying renaming. * spellcheck-tree.h (levenshtein_distance): Rename to... (get_edit_distance): ...this. * spellcheck.c (levenshtein_distance): Rename to... (get_edit_distance): ...this. Convert from Levenshtein distance to Damerau-Levenshtein distance by supporting transpositions of adjacent characters. Rename "v1" to "v_next" and "v0" to "v_one_ago". (selftest::levenshtein_distance_unit_test_oneway): Rename to... (selftest::test_edit_distance_unit_test_oneway): ...this, and update for underlying renaming. (selftest::levenshtein_distance_unit_test): Rename to... (selftest::test_get_edit_distance_unit): ...this, and update for underlying renaming. (selftest::test_find_closest_string): Add example from PR 69968 where transposition helps (selftest::test_metric_conditions): Update for renaming. (selftest::test_metric_conditions): Likewise. (selftest::spellcheck_c_tests): Likewise. * spellcheck.h (levenshtein_distance): Rename both overloads to... (get_edit_distance): ...this. (best_match::consider): Update for renaming. gcc/testsuite/ChangeLog: PR other/69968 * gcc.dg/spellcheck-transposition.c: New test. From-SVN: r261521
Diffstat (limited to 'gcc/fortran/misc.c')
-rw-r--r--gcc/fortran/misc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/fortran/misc.c b/gcc/fortran/misc.c
index ec1f548..fb18c5c 100644
--- a/gcc/fortran/misc.c
+++ b/gcc/fortran/misc.c
@@ -286,7 +286,7 @@ get_c_kind(const char *c_kind_name, CInteropKind_t kinds_table[])
/* For a given name TYPO, determine the best candidate from CANDIDATES
- perusing Levenshtein distance. Frees CANDIDATES before returning. */
+ using get_edit_distance. Frees CANDIDATES before returning. */
const char *
gfc_closest_fuzzy_match (const char *typo, char **candidates)
@@ -299,7 +299,7 @@ gfc_closest_fuzzy_match (const char *typo, char **candidates)
while (cand && *cand)
{
- edit_distance_t dist = levenshtein_distance (typo, tl, *cand,
+ edit_distance_t dist = get_edit_distance (typo, tl, *cand,
strlen (*cand));
if (dist < best_distance)
{