62 lines
2.2 KiB
Bash
62 lines
2.2 KiB
Bash
# -*- mode: sh; sh-indentation: 4; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
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# Copyright (c) 2018 Sebastian Gniazdowski
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#
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# This chroma does a narrow, obscure but prestigious parsing of fpath+=( elem1
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# elem2 ... ) construct to provide *the* *future* contents of $fpath to
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# -autoload.ch, so that it can detect functions in those provided directories
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# `elem1', `elem2', etc. and highlight the functions with `correct-subtle'
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# instead of `incorrect-subtle'. Basically all thit is for command-lines like:
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#
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# % fpath+=( `pwd` ); autoload my-fun-from-PWD
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# Keep chroma-takever state meaning: until ; or similar (see $__arg_type below)
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# The 8192 sum takes care that the next token will be routed to this chroma
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(( next_word = 2 | 8192 ))
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local __first_call="$1" __wrd="$2" __start_pos="$3" __end_pos="$4"
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local -a deserialized
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(( __first_call )) && {
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case $__wrd in
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(fpath=\()
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FAST_HIGHLIGHT[fpath_peq_mode]=1
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;;
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(fpath+=\()
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FAST_HIGHLIGHT[fpath_peq_mode]=2
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;;
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(FPATH=)
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FAST_HIGHLIGHT[fpath_peq_mode]=4
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;;
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(FPATH+=)
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FAST_HIGHLIGHT[fpath_peq_mode]=8
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;;
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esac
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if (( FAST_HIGHLIGHT[fpath_peq_mode] & 5 )); then
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FAST_HIGHLIGHT[chroma-fpath_peq-elements]="! ${FAST_HIGHLIGHT[chroma-fpath_peq-elements]}"
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fi
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return 1
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} || {
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# Following call, i.e. not the first one
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# Check if chroma should end – test if token is of type
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# "starts new command", if so pass-through – chroma ends
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[[ "$__arg_type" = 3 ]] && return 2
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[[ "$__wrd" != ")" ]] && {
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deserialized=( "${(Q@)${(z@)FAST_HIGHLIGHT[chroma-fpath_peq-elements]}}" )
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[[ -z "${deserialized[1]}" && ${#deserialized} -eq 1 ]] && deserialized=()
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# Support ~ and $VAR, for [a-zA-Z_][a-ZA-Z0-9_]# characters in "VAR"
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deserialized+=( "${(Q)${${(j: :)__wrd}//(#b)((\$([0-9]##|[a-zA-Z_][a-zA-Z0-9_]#))|(\$\{([0-9]##|[a-zA-Z_][a-zA-Z0-9_]#)\})|(#s)~)/${(P)${${${${match[1]##\$\{(#c0,1)}%\}}:#\~}:-HOME}}}}" )
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FAST_HIGHLIGHT[chroma-fpath_peq-elements]="${(j: :)${(q@)deserialized}}"
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}
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return 1
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}
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(( this_word = next_word ))
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_start_pos=$_end_pos
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return 0
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# vim:ft=zsh:et:sw=4
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