[PATCH] zle/completion: fix auto-removable suffix highlighting

[m0viefreak <m0viefreak.cm@googlemail.com>]

The variable suffixnoinslen, intended for use related to the
\- suffix specifier, was also used for the length of the active
suffix in the highlighting code. This broke highlighting in cases
where \- was NOT specified.

Semantically two variables are needed:

Introduce a new variable that only reflects *IF* the suffix
should be removed on uninsertable characters and set the length
variable independant from that.
---
 Src/Zle/compresult.c  |  2 +-
 Src/Zle/zle_misc.c    | 28 ++++++++++++++--------------
 Src/Zle/zle_refresh.c |  4 ++--
 3 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/Src/Zle/compresult.c b/Src/Zle/compresult.c
index c0e5ff3..fcceb67 100644
--- a/Src/Zle/compresult.c
+++ b/Src/Zle/compresult.c
@@ -1131,7 +1131,7 @@ do_single(Cmatch m)
 	    /* If a suffix was added, and is removable, let *
 	     * `,' and `}' remove it.                       */
 	    if (isset(AUTOPARAMKEYS))
-		addsuffix(SUFTYP_POSSTR, 0, ZWS(",}"), 2, suffixnoinslen);
+		addsuffix(SUFTYP_POSSTR, 0, ZWS(",}"), 2, suffixlen);
 	} else if (!menucmp) {
 	    /*{{*/
 	    /* Otherwise, add a `,' suffix, and let `}' remove it. */
diff --git a/Src/Zle/zle_misc.c b/Src/Zle/zle_misc.c
index 7be0ebb..9bc1cf6 100644
--- a/Src/Zle/zle_misc.c
+++ b/Src/Zle/zle_misc.c
@@ -1249,10 +1249,14 @@ static char *suffixfunc;
 /* Length associated with the suffix function */
 static int suffixfunclen;
 
-/* Length associated with uninsertable characters */
+/* Whether to remove suffix on uninsertable characters */
+/**/
+int suffixnoinsrem;
+
+/* Length of the currently active, auto-removable suffix. */
 /**/
 mod_export int
-suffixnoinslen;
+suffixlen;
 
 /**/
 mod_export void
@@ -1309,7 +1313,8 @@ makesuffix(int n)
     if ((suffixchars = getsparam("ZLE_SPACE_SUFFIX_CHARS")) && *suffixchars)
 	addsuffixstring(SUFTYP_POSSTR, SUFFLAGS_SPACE, suffixchars, n);
 
-    suffixnoinslen = n;
+    suffixlen = n;
+    suffixnoinsrem = 1;
 }
 
 /* Set up suffix for parameter names: the last n characters are a suffix *
@@ -1358,15 +1363,10 @@ makesuffixstr(char *f, char *s, int n)
 	s = metafy(s, i, META_USEHEAP);
 	ws = stringaszleline(s, 0, &i, NULL, NULL);
 
-	if (z)
-	    suffixnoinslen = inv ? 0 : n;
-	else if (inv) {
-	    /*
-	     * negative match, \- wasn't present, so it *should*
-	     * have this suffix length
-	     */
-	    suffixnoinslen = n;
-	}
+	/* Remove suffix on uninsertable characters if  \- was given *
+	 * and the character class wasn't negated -- or vice versa.  */
+	suffixnoinsrem = z ^ inv;
+	suffixlen = n;
 
 	lasts = wptr = ws;
 	while (i) {
@@ -1444,7 +1444,7 @@ iremovesuffix(ZLE_INT_T c, int keep)
 	struct suffixset *ss;
 
 	if (c == NO_INSERT_CHAR) {
-	    sl = suffixnoinslen;
+	    sl = suffixnoinsrem ? suffixlen : 0;
 	} else {
 	    ZLE_CHAR_T ch = c;
 	    /*
@@ -1538,5 +1538,5 @@ fixsuffix(void)
 	suffixlist = next;
     }
 
-    suffixfunclen = suffixnoinslen = 0;
+    suffixfunclen = suffixnoinsrem = suffixlen = 0;
 }
diff --git a/Src/Zle/zle_refresh.c b/Src/Zle/zle_refresh.c
index 2bedbc4..8ce6787 100644
--- a/Src/Zle/zle_refresh.c
+++ b/Src/Zle/zle_refresh.c
@@ -1046,8 +1046,8 @@ zrefresh(void)
 	region_highlights[1].start = region_highlights[1].end = -1;
     }
     /* check for an active completion suffix */
-    if (suffixnoinslen) {
-	region_highlights[2].start = zlecs - suffixnoinslen;
+    if (suffixlen) {
+	region_highlights[2].start = zlecs - suffixlen;
 	region_highlights[2].end = zlecs;
     } else {
 	region_highlights[2].start = region_highlights[2].end = -1;
-- 
1.9.1.286.g5172cb3