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Re: Bug#262247: zsh: Improved make completion



* Hugo Haas <hugo@xxxxxxxxx> [2004-07-30 18:51+0200]
> * Clint Adams <schizo@xxxxxxxxxx> [2004-07-30 11:30-0400]
> > > Attached is a Perl script that can be used as a replacement of the
> > > Perl script appearing in the make completion code (_make) to follow
> > > include statements in Makefiles.
> > 
> > You mean it should replace the expression
> > 
> > '@matches = /^(?:([a-zA-Z0-9]+[^\/\t=\s]+)\s*)+:/  and
> >         print join(" ", @matches);
> > if (/^\.include\s+\<bsd\.port\.(subdir\.|pre\.)?mk>/ ||
> >     /^\.include\s+\".*mk\/bsd\.pkg\.(subdir\.)?mk\"/) {
> >     print "fetch fetch-list extract patch configure build install reinstall dein
> > stall package describe checkpatch checksum makesum\n";
> >     }
> > '
> > 
> > in _make?
> 
> Yes, it basically does the same, but follows include statements. It
> doesn't work for something like "include $(MYFILE)", but works for
> "include myfile" — resolving variable seemed complex.
> 
> > Maybe the perl and awk bits should be replaced by some native Z-Shell parsing.
> 
> I agree, but that sounds complex to do. :-)

Attached is an attempt at doing this. It seems to work, though I only
enabled it for the gnu case.

Let me know what you think.

Regards,

Hugo

-- 
Hugo Haas - http://larve.net/people/hugo/
--- _make	2004-08-18 10:10:24.000000000 -0400
+++ /usr/share/zsh/4.2.0/functions/Completion/Unix/_make	2004-08-18 11:03:52.000000000 -0400
@@ -1,5 +1,26 @@
 #compdef make gmake pmake dmake
 
+parseMakefile() {
+    local input
+    while read input; do
+	case $input in
+	    [[:alnum:]]##:)
+		echo $input| cut -d: -f1
+		;;
+	    include\ *)
+                local f
+		f=$(echo $input| cut -d\  -f2)
+		if [ $f != '/*' ]; then
+		    f=$dir/$f
+		fi
+		if [ -r $f ]; then
+		    parseMakefile < $f
+		fi
+		;;
+	esac
+    done
+}
+
 local prev="$words[CURRENT-1]" file expl tmp is_gnu cmdargs useperl
 
 zstyle -t ":completion:${curcontext}:" use-perl && useperl=1
@@ -24,14 +45,10 @@
   fi
 
   if [[ -n "$file" ]] && _tags targets; then
-    if [[ $is_gnu = gnu ]] &&
-       zstyle -t ":completion:${curcontext}:targets" call-command; then
-       if [[ -n $useperl ]]; then
-        cmdargs=(perl -F: -ane '/^[a-zA-Z0-9][^\/\t=]+:/ && print "$F[0]\n"')
-       else
-        cmdargs=(awk '/^[a-zA-Z0-9][^\/\t=]+:/ {print $1}' FS=:)
-       fi
-       tmp=( $(_call_program targets "$words[1]" -nsp --no-print-directory -f "$file" .PHONY 2> /dev/null | $cmdargs) )
+    if [[ $is_gnu = gnu ]]; then
+      dir=$(dirname $file)
+      tmp=( $(parseMakefile < $file) )
+      _wanted targets expl 'make target' compadd -a tmp && return 0
     elif [[ -n $useperl ]]; then
       tmp=(
       $(perl -ne '@matches = /^(?:([a-zA-Z0-9]+[^\/\t=\s]+)\s*)+:/  and

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