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|
#compdef make gmake pmake dmake
# TODO: Based on targets given on the command line, show only variables that
# are used in those targets and their dependencies.
local prev="$words[CURRENT-1]" file expl tmp is_gnu dir incl match
local -A TARGETS VARIABLES
expandVars() {
local open close var val front ret tmp=$1
front=${tmp%%\$*}
case $tmp in
(\(*) # Variable of the form $(foobar)
open='('
close=')'
;;
({*) # ${foobar}
open='{'
close='}'
;;
([[:alpha:]]*) # $foobar. This is exactly $(f)oobar.
open=''
close=''
var=${(s::)var[1]}
;;
(\$*) # Escaped $.
print -- "${front}\$$(expandVars ${tmp#\$})"
return
;;
(*) # Nothing left to substitute.
print -- $tmp
return
;;
esac
if [[ -n $open ]]
then
var=${tmp#$open}
var=${var%%$close*}
fi
case $var in
([[:alnum:]_]#)
val=${VARIABLES[$var]}
ret=${ret//\$$open$var$close/$val}
;;
(*)
# Improper variable name. No replacement.
# I'm not sure if this is desired behavior.
front+="\$$open$var$close"
ret=${ret/\$$open$var$close/}
;;
esac
print -- "${front}$(expandVars ${ret})"
}
parseMakefile () {
local input var val target dep TAB=$'\t' dir=$1 tmp
while read input
do
case "$input " in
# VARIABLE = value
([[:alnum:]][[:alnum:]_]#[ $TAB]#=*)
var=${input%%[ $TAB]#=*}
val=${input#*=}
val=${val##[ $TAB]#}
VARIABLES[$var]=$val
;;
# VARIABLE := value
# Evaluated immediately
([[:alnum:]][[:alnum:]_]#[ $TAB]#:=*)
var=${input%%[ $TAB]#:=*}
val=${input#*=}
val=${val##[ $TAB]#}
val=$(expandVars $val)
VARIABLES[$var]=$val
;;
# TARGET: dependencies
# TARGET1 TARGET2 TARGET3: dependencies
([[:alnum:]][^$TAB:=]#:[^=]*)
input=$(expandVars $input)
target=${input%%:*}
dep=${input#*:}
dep=${(z)dep}
dep="$dep"
for tmp in ${(z)target}
do
TARGETS[$tmp]=$dep
done
;;
# Include another makefile
(${~incl} *)
local f=${input##${~incl} ##}
if [[ $incl == '.include' ]]
then
f=${f#[\"<]}
f=${f%[\">]}
fi
f=$(expandVars $f)
case $f in
(/*) ;;
(*) f=$dir/$f ;;
esac
if [[ -r $f ]]
then
parseMakefile ${f%%/[^/]##} < $f
fi
;;
esac
done
}
findBasedir () {
local file index basedir
basedir=$PWD
for (( index=0; index < $#@; index++ ))
do
if [[ $@[index] == -C ]]
then
file=${~@[index+1]};
if [[ -z $file ]]
then
# make returns with an error if an empty arg is given
# even if the concatenated path is a valid directory
return
elif [[ $file == /* ]]
then
# Absolute path, replace base directory
basedir=$file
else
# Relative, concatenate path
basedir=$basedir/$file
fi
fi
done
print -- $basedir
}
_pick_variant -r is_gnu gnu=GNU unix -v -f
if [[ $is_gnu == gnu ]]
then
incl="(-|)include"
else
incl=.include
fi
if [[ "$prev" == -[CI] ]]
then
_files -W ${(q)$(findBasedir ${words[1,CURRENT-1]})} -/
elif [[ "$prev" == -[foW] ]]
then
_files -W ${(q)$(findBasedir $words)}
else
file="$words[(I)-f]"
if (( file ))
then
file=${~words[file+1]}
[[ $file == [^/]* ]] && file=${(q)$(findBasedir $words)}/$file
[[ -r $file ]] || file=
else
local basedir
basedir=${(q)$(findBasedir $words)}
if [[ $is_gnu == gnu && -r $basedir/GNUmakefile ]]
then
file=$basedir/GNUmakefile
elif [[ -r $basedir/makefile ]]
then
file=$basedir/makefile
elif [[ -r $basedir/Makefile ]]
then
file=$basedir/Makefile
else
file=''
fi
fi
if [[ -n "$file" ]]
then
if [[ $is_gnu == gnu ]] && zstyle -t ":completion:${curcontext}:targets" call-command
then
parseMakefile $PWD < <(_call_program targets "$words[1]" -nsp --no-print-directory -f "$file" .PHONY 2> /dev/null)
else
parseMakefile $PWD < $file
fi
fi
if [[ $PREFIX == *'='* ]]
then
# Complete make variable as if shell variable
compstate[parameter]="${PREFIX%%\=*}"
compset -P 1 '*='
_value "$@"
else
_tags targets variables
while _tags
do
_requested targets expl 'make targets' \
compadd -- ${(k)TARGETS}
_requested variables expl 'make variables' \
compadd -S '=' -- ${(k)VARIABLES}
done
fi
fi
|
