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patch 8.0.0623: error for invalid regexp is not very informative

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Problem:    The message "Invalid range" is used for multiple errors.
Solution:   Add two more specific error messages. (Itchyny, Ken Hamada)
This commit is contained in:
Bram Moolenaar
2017-06-05 16:54:08 +02:00
parent c5e2b040b4
commit 966e58e413
4 changed files with 25 additions and 4 deletions
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8
src/regexp.c
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@@ -358,6 +358,8 @@ static char_u *regprop(char_u *);
static int re_mult_next(char *what);
static char_u e_missingbracket[] = N_("E769: Missing ] after %s[");
static char_u e_reverse_range[] = N_("E944: Reverse range in character class");
static char_u e_large_class[] = N_("E945: Range too large in character class");
static char_u e_unmatchedpp[] = N_("E53: Unmatched %s%%(");
static char_u e_unmatchedp[] = N_("E54: Unmatched %s(");
static char_u e_unmatchedpar[] = N_("E55: Unmatched %s)");
@@ -2426,14 +2428,14 @@ collection:
endc = coll_get_char();
if (startc > endc)
EMSG_RET_NULL(_(e_invrange));
EMSG_RET_NULL(_(e_reverse_range));
#ifdef FEAT_MBYTE
if (has_mbyte && ((*mb_char2len)(startc) > 1
|| (*mb_char2len)(endc) > 1))
{
/* Limit to a range of 256 chars */
/* Limit to a range of 256 chars. */
if (endc > startc + 256)
EMSG_RET_NULL(_(e_invrange));
EMSG_RET_NULL(_(e_large_class));
while (++startc <= endc)
regmbc(startc);
}