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-rw-r--r--Functions/Zle/match-words-by-style45
1 files changed, 38 insertions, 7 deletions
diff --git a/Functions/Zle/match-words-by-style b/Functions/Zle/match-words-by-style
index 6cdec7551..fc59c2764 100644
--- a/Functions/Zle/match-words-by-style
+++ b/Functions/Zle/match-words-by-style
@@ -5,8 +5,16 @@
 #    <whitespace-after-cursor> <word-after-cursor> <whitespace-after-word>
 #    <stuff-at-end>
 # where the cursor position is always after the third item and `after'
-# is to be interpreted as `after or on'.  Some
-# of the array elements will be empty; this depends on the style.
+# is to be interpreted as `after or on'.
+#
+# matched_words may be an associative array, in which case the
+# values above are now given by the elements named start, word-before-cursor,
+# ws-before-cursor, ws-after-cursor, word-after-cursor, ws-after-word,
+# end.  In addition, the element is-word-start is 1 if the cursor
+# is on the start of a word; this is non-trivial in the case of subword
+# (camel case) matching as there may be no white space to test.
+#
+# Some of the array elements will be empty; this depends on the style.
 # For example
 #    foo bar  rod stick
 #            ^
@@ -224,11 +232,18 @@ charskip=${(l:skip::?:)}
 
 eval pat2='${RBUFFER##(#b)('${charskip}${spacepat}')('\
 ${wordpat2}')('${spacepat}')}'
+if [[ -n $match[2] ]]; then
+  ws2=$match[1]
+  word2=$match[2]
+  ws3=$match[3]
+else
+  # No more words, so anything left is white space after cursor.
+  ws2=$RBUFFER
+  pat2=
+fi
 
-ws2=$match[1]
-word2=$match[2]
-ws3=$match[3]
-
+integer wordstart
+[[ ( -n $ws1 || -n $ws2 ) && -n $word2 ]] && wordstart=1
 if [[ $wordstyle = *subword* ]]; then
   # Do we have a group of upper case characters at the start
   # of word2 (that don't form the entire word)?
@@ -249,6 +264,7 @@ if [[ $wordstyle = *subword* ]]; then
     # if it wants.
   elif [[ $word2 = (#b)(?[^${~subwordrange}]##)[${~subwordrange}]* ]]; then
     (( epos = ${#match[1]} ))
+    (( wordstart = 1 ))
   else
     (( epos = 0 ))
   fi
@@ -262,4 +278,19 @@ if [[ $wordstyle = *subword* ]]; then
   fi
 fi
 
-matched_words=("$pat1" "$word1" "$ws1" "$ws2" "$word2" "$ws3" "$pat2")
+# matched_words should be local to caller.
+# Just fix type here.
+if [[ ${(t)matched_words} = *association* ]]; then
+  matched_words=(
+    start              "$pat1"
+    word-before-cursor "$word1"
+    ws-before-cursor   "$ws1"
+    ws-after-cursor    "$ws2"
+    word-after-cursor  "$word2"
+    ws-after-word      "$ws3"
+    end                "$pat2"
+    is-word-start      $wordstart
+  )
+else
+  matched_words=("$pat1" "$word1" "$ws1" "$ws2" "$word2" "$ws3" "$pat2")
+fi