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# -*- mode: sh; sh-indentation: 4; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# Almost all code borrowed from Zshell's _make function
#
# Copyright (c) 2018 Sebastian Gniazdowski
local -a TARGETS
_make-expandVars() {
local open close var val front='' rest=$1
while [[ $rest == (#b)[^$]#($)* ]]; do
front=$front${rest[1,$mbegin[1]-1]}
rest=${rest[$mbegin[1],-1]}
case $rest[2] in
($) # '$$'. may not appear in target and variable's value
front=$front\$\$
rest=${rest[3,-1]}
continue
;;
(\() # Variable of the form $(foobar)
open='('
close=')'
;;
({) # ${foobar}
open='{'
close='}'
;;
([[:alpha:]]) # $foobar. This is exactly $(f)oobar.
open=''
close=''
var=$rest[2]
;;
(*) # bad parameter name
print -- $front$rest
return 1
;;
esac
if [[ -n $open ]]; then
if [[ $rest == \$$open(#b)([[:alnum:]_]##)(#B)$close* ]]; then
var=$match
else # unmatched () or {}, or bad parameter name
print -- $front$rest
return 1
fi
fi
val=''
if [[ -n ${VAR_ARGS[(i)$var]} ]]; then
val=${VAR_ARGS[$var]}
else
if [[ -n $opt_args[(I)(-e|--environment-overrides)] ]]; then
if [[ $parameters[$var] == scalar-export* ]]; then
val=${(P)var}
elif [[ -n ${VARIABLES[(i)$var]} ]]; then
val=${VARIABLES[$var]}
fi
else
if [[ -n ${VARIABLES[(i)$var]} ]]; then
val=${VARIABLES[$var]}
elif [[ $parameters[$var] == scalar-export* ]]; then
val=${(P)var}
fi
fi
fi
rest=${rest//\$$open$var$close/$val}
done
print -- ${front}${rest}
}
_make-parseMakefile () {
local input var val target dep TAB=$'\t' tmp IFS=
while read input
do
case "$input " in
# TARGET: dependencies
# TARGET1 TARGET2 TARGET3: dependencies
([[*?[:alnum:]$][^$TAB:=%]#:[^=]*)
target=$(_make-expandVars ${input%%:*})
TARGETS+=( ${(z)target} )
;;
esac
done
}
if [[ -z "${FAST_HIGHLIGHT[chroma-make-cache]}" || $(( EPOCHSECONDS - FAST_HIGHLIGHT[chroma-make-cache-born-at] )) -gt 7 ]]; then
_make-parseMakefile
FAST_HIGHLIGHT[chroma-make-cache-born-at]="$EPOCHSECONDS"
FAST_HIGHLIGHT[chroma-make-cache]="${(j:;:)TARGETS}"
fi
reply2=( "${(s:;:)FAST_HIGHLIGHT[chroma-make-cache]}" )
# vim:ft=zsh:et
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