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