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authorBram Moolenaar <Bram@vim.org>2014-01-23 20:09:34 +0100
committerBram Moolenaar <Bram@vim.org>2014-01-23 20:09:34 +0100
commit8af269186c71d6835e563bfaa35fe5c50d10513d (patch)
tree56dc6fc4ef32c4874afd542097227de8dc45073b
parentb4d587cbd9450d1a28dfb40c5204e9071f7bd955 (diff)
updated for version 7.4.158v7.4.158
Problem: Pattern containing \zs is not handled correctly by substitute(). Solution: Change how an empty match is skipped. (Yukihiro Nakadaira)
-rw-r--r--src/eval.c23
-rw-r--r--src/testdir/test80.in17
-rw-r--r--src/testdir/test80.ok11
-rw-r--r--src/version.c2
4 files changed, 44 insertions, 9 deletions
diff --git a/src/eval.c b/src/eval.c
index 7b7302f74a..3786adfdfb 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -24365,7 +24365,7 @@ do_string_sub(str, pat, sub, flags)
garray_T ga;
char_u *ret;
char_u *save_cpo;
- int zero_width;
+ char_u *zero_width = NULL;
/* Make 'cpoptions' empty, so that the 'l' flag doesn't work here */
save_cpo = p_cpo;
@@ -24382,6 +24382,19 @@ do_string_sub(str, pat, sub, flags)
tail = str;
while (vim_regexec_nl(&regmatch, str, (colnr_T)(tail - str)))
{
+ /* Skip empty match except for first match. */
+ if (regmatch.startp[0] == regmatch.endp[0])
+ {
+ if (zero_width == regmatch.startp[0])
+ {
+ /* avoid getting stuck on a match with an empty string */
+ *((char_u *)ga.ga_data + ga.ga_len) = *tail++;
+ ++ga.ga_len;
+ continue;
+ }
+ zero_width = regmatch.startp[0];
+ }
+
/*
* Get some space for a temporary buffer to do the substitution
* into. It will contain:
@@ -24404,17 +24417,9 @@ do_string_sub(str, pat, sub, flags)
(void)vim_regsub(&regmatch, sub, (char_u *)ga.ga_data
+ ga.ga_len + i, TRUE, TRUE, FALSE);
ga.ga_len += i + sublen - 1;
- zero_width = (tail == regmatch.endp[0]
- || regmatch.startp[0] == regmatch.endp[0]);
tail = regmatch.endp[0];
if (*tail == NUL)
break;
- if (zero_width)
- {
- /* avoid getting stuck on a match with an empty string */
- *((char_u *)ga.ga_data + ga.ga_len) = *tail++;
- ++ga.ga_len;
- }
if (!do_all)
break;
}
diff --git a/src/testdir/test80.in b/src/testdir/test80.in
index 5491a90092..c62fdc02b2 100644
--- a/src/testdir/test80.in
+++ b/src/testdir/test80.in
@@ -176,6 +176,23 @@ ENDTEST
TEST_10:
STARTTEST
+:set magic&
+:set cpo&
+:$put =\"\n\nTEST_10:\"
+:let y = substitute('123', '\zs', 'a', 'g') | $put =y
+:let y = substitute('123', '\zs.', 'a', 'g') | $put =y
+:let y = substitute('123', '.\zs', 'a', 'g') | $put =y
+:let y = substitute('123', '\ze', 'a', 'g') | $put =y
+:let y = substitute('123', '\ze.', 'a', 'g') | $put =y
+:let y = substitute('123', '.\ze', 'a', 'g') | $put =y
+:let y = substitute('123', '1\|\ze', 'a', 'g') | $put =y
+:let y = substitute('123', '1\zs\|[23]', 'a', 'g') | $put =y
+/^TEST_11
+ENDTEST
+
+TEST_11:
+
+STARTTEST
:/^Results/,$wq! test.out
ENDTEST
diff --git a/src/testdir/test80.ok b/src/testdir/test80.ok
index 562bbf249c..2b79d377a7 100644
--- a/src/testdir/test80.ok
+++ b/src/testdir/test80.ok
@@ -115,3 +115,14 @@ N,,NZ
TEST_9:
XXx
+
+
+TEST_10:
+a1a2a3a
+aaa
+1a2a3a
+a1a2a3a
+a1a2a3
+aaa
+aa2a3a
+1aaa
diff --git a/src/version.c b/src/version.c
index b80bacdbab..00e1ae6b10 100644
--- a/src/version.c
+++ b/src/version.c
@@ -739,6 +739,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
+ 158,
+/**/
157,
/**/
156,