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-rw-r--r--ChangeLog6
-rw-r--r--Completion/Commands/.distfiles2
-rw-r--r--Completion/Commands/_complete_tag57
-rw-r--r--Doc/Zsh/compsys.yo12
4 files changed, 76 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index 085a0afd2..aa222bf0d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2000-05-23 Peter Stephenson <pws@cambridgesiliconradio.com>
+
+ * 11537: Completion/Command/_complete_tag,
+ Completion/Command/.distfiles, Doc/Zsh/compsys.yo: new
+ _complete_tag function.
+
2000-05-23 Sven Wischnowsky <wischnow@zsh.org>
* 11536: Doc/Zsh/mod_zutil.yo: doc clarifications for zparseopts
diff --git a/Completion/Commands/.distfiles b/Completion/Commands/.distfiles
index 139c9e514..dc4355785 100644
--- a/Completion/Commands/.distfiles
+++ b/Completion/Commands/.distfiles
@@ -2,5 +2,5 @@ DISTFILES_SRC='
.distfiles
_bash_completions _complete_debug _correct_filename _correct_word
_expand_word _history_complete_word _read_comp _most_recent_file
- _complete_help _next_tags
+ _complete_help _next_tags _complete_tag
'
diff --git a/Completion/Commands/_complete_tag b/Completion/Commands/_complete_tag
new file mode 100644
index 000000000..4470a2ad4
--- /dev/null
+++ b/Completion/Commands/_complete_tag
@@ -0,0 +1,57 @@
+#compdef -k complete-word \C-xt
+
+# Complete tags using either TAGS or tags. Looks up your directory
+# hierarchy to find one. If both exist, uses TAGS.
+#
+# You can override the choice of tags file with $TAGSFILE (for TAGS)
+# or $tagsfile (for tags).
+#
+# Could be rewritten by some sed expert to use sed instead of perl.
+
+emulate -L zsh
+
+# Tags file to look for
+local c_Tagsfile=${TAGSFILE:-TAGS} c_tagsfile=${tagsfile:-tags} expl
+# Max no. of directories to scan up through
+integer c_maxdir=10
+# Context.
+local curcontext="$curcontext"
+local -a c_tags_array
+
+if [[ -z "$curcontext" ]]; then
+ curcontext="complete-tag:::"
+else
+ curcontext="complete-tag:${curcontext#*:}"
+fi
+
+local c_path=
+integer c_idir
+while [[ ! -f $c_path$c_Tagsfile &&
+ ! -f $c_path$c_tagsfile && $c_idir -lt $c_maxdir ]]; do
+ (( c_idir++ ))
+ c_path=../$c_path
+done
+
+if [[ -f $c_path$c_Tagsfile ]]; then
+ # prefer the more comprehensive TAGS, which unfortunately is a
+ # little harder to parse.
+ # could do this with sed, just can't be bothered to work out how,
+ # after quarter of an hour of trying, except for
+ # rm -f =sed; ln -s /usr/local/bin/perl /usr/bin/sed
+ # but that's widely regarded as cheating.
+ c_tags_array=($(sed -n \
+ -e 's/^\(.*[a-zA-Z_0-9]\)[[ '$'\t'':;,()]*'$'\177''.*$/\1/' \
+ -e 's/^.*[^a-zA-Z_0-9]//' \
+ -e '/^[a-zA-Z_].*/p' $c_path$c_Tagsfile))
+# c_tags_array=($(perl -ne '/([a-zA-Z_0-9]+)[ \t:;,\(]*\x7f/ &&
+# print "$1\n"' $c_path$c_Tagsfile))
+ _main_complete - '' _wanted etags expl 'emacs tags' \
+ compadd -a c_tags_array
+elif [[ -f $c_tagspath ]]; then
+ # tags doesn't have as much in, but the tag is easy to find.
+ # we can use awk here.
+ c_tags_array=($(awk '{ print $1 }' $c_path$c_Tagsfile))
+ _main_complete - '' _wanted vtags expl 'vi tags' compadd -a c_tags_array
+else
+ return 1
+fi
diff --git a/Doc/Zsh/compsys.yo b/Doc/Zsh/compsys.yo
index 3f7b20bee..518974014 100644
--- a/Doc/Zsh/compsys.yo
+++ b/Doc/Zsh/compsys.yo
@@ -2460,6 +2460,18 @@ a trace of the shell commands executed by the completion system. Each
completion attempt gets its own file. A command to view each of these
files is pushed onto the editor buffer stack.
)
+findex(_complete_tag (^Xt))
+item(tt(_complete_tag (^Xt)))(
+This widget completes symbol tags created by the tt(etags) or tt(ctags)
+programmes (note there is no connection with the completion system's tags)
+stored in a file tt(TAGS), in the format used by tt(etags), or tt(tags), in the
+format created by tt(ctags). It will look back up the path hierarchy for
+the first occurrence of either file; if both exist, the file tt(TAGS) is
+preferred. You can specify the full path to a tt(TAGS) or tt(tags) file by
+setting the parameter tt($TAGSFILE) or tt($tagsfile) respectively.
+The corresponding completion tags used are tt(etags) and tt(vtags), after
+emacs and vi respectively.
+)
enditem()
texinode(Completion Functions)(Completion Directories)(Bindable Commands)(Completion System)