mirror of
https://github.com/zdharma-continuum/history-search-multi-word.git
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458e75c16d
* style: format zsh & markdown files and update copyright notice Signed-off-by: Vladislav Doster <mvdoster@gmail.com>
560 lines
18 KiB
Bash
560 lines
18 KiB
Bash
#!/usr/bin/env zsh
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#
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# -*- mode: sh; sh-indentation: 2; indent-tabs-mode: nil; sh-basic-offset: 2; -*-
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#
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# Copyright (c) 2010-2016 zsh-syntax-highlighting contributors
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# Copyright (c) 2016-2017 Sebastian Gniazdowski (modifications)
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# Copyright (c) 2021-2022 zdharma-continuum and contributors
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typeset -gA __hsmw_highlight_main__command_type_cache
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# Define default styles.
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typeset -gA HSMW_HIGHLIGHT_STYLES
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: ${HSMW_HIGHLIGHT_STYLES[default]:=none}
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: ${HSMW_HIGHLIGHT_STYLES[unknown-token]:=fg=red,bold}
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: ${HSMW_HIGHLIGHT_STYLES[reserved-word]:=fg=yellow}
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: ${HSMW_HIGHLIGHT_STYLES[alias]:=fg=green}
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: ${HSMW_HIGHLIGHT_STYLES[suffix-alias]:=fg=green}
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: ${HSMW_HIGHLIGHT_STYLES[builtin]:=fg=green}
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: ${HSMW_HIGHLIGHT_STYLES[function]:=fg=green}
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: ${HSMW_HIGHLIGHT_STYLES[command]:=fg=green}
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: ${HSMW_HIGHLIGHT_STYLES[precommand]:=fg=green}
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: ${HSMW_HIGHLIGHT_STYLES[commandseparator]:=none}
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: ${HSMW_HIGHLIGHT_STYLES[hashed-command]:=fg=green}
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: ${HSMW_HIGHLIGHT_STYLES[path]:=fg=magenta}
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: ${HSMW_HIGHLIGHT_STYLES[path_pathseparator]:=}
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: ${HSMW_HIGHLIGHT_STYLES[globbing]:=fg=blue,bold}
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: ${HSMW_HIGHLIGHT_STYLES[history-expansion]:=fg=blue,bold}
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: ${HSMW_HIGHLIGHT_STYLES[single-hyphen-option]:=fg=cyan}
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: ${HSMW_HIGHLIGHT_STYLES[double-hyphen-option]:=fg=cyan}
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: ${HSMW_HIGHLIGHT_STYLES[back-quoted-argument]:=none}
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: ${HSMW_HIGHLIGHT_STYLES[single-quoted-argument]:=fg=yellow}
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: ${HSMW_HIGHLIGHT_STYLES[double-quoted-argument]:=fg=yellow}
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: ${HSMW_HIGHLIGHT_STYLES[dollar-quoted-argument]:=fg=yellow}
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: ${HSMW_HIGHLIGHT_STYLES[back-or-dollar-double-quoted-argument]:=fg=cyan}
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: ${HSMW_HIGHLIGHT_STYLES[back-dollar-quoted-argument]:=fg=cyan}
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: ${HSMW_HIGHLIGHT_STYLES[assign]:=none}
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: ${HSMW_HIGHLIGHT_STYLES[redirection]:=none}
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: ${HSMW_HIGHLIGHT_STYLES[comment]:=fg=black,bold}
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: ${HSMW_HIGHLIGHT_STYLES[newline]:=fg=black,bold} # '\n' strings
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: ${HSMW_HIGHLIGHT_STYLES[variable]:=none}
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typeset -gA __HSMW_HIGHLIGHT_TOKENS_TYPES
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__HSMW_HIGHLIGHT_TOKENS_TYPES=(
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# Precommand
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'builtin' 1
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'command' 1
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'exec' 1
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'nocorrect' 1
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'noglob' 1
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'pkexec' 1 # immune to #121 because it's usually not passed --option flags
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# Control flow
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# Tokens that, at (naively-determined) "command position", are followed by
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# a de jure command position. All of these are reserved words.
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$'\x7b' 2 # block
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$'\x28' 2 # subshell
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'()' 2 # anonymous function
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'while' 2
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'until' 2
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'if' 2
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'then' 2
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'elif' 2
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'else' 2
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'do' 2
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'time' 2
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'coproc' 2
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'!' 2 # reserved word; unrelated to $histchars[1]
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# Command separators
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'|' 3
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'||' 3
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';' 3
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'&' 3
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'&&' 3
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'|&' 3
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'&!' 3
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'&|' 3
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)
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-hsmw-highlight-main-type() {
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REPLY=$__hsmw_highlight_main__command_type_cache[(e)$1]
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[[ -z "$REPLY" ]] && {
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if zmodload -e zsh/parameter; then
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if (( $+aliases[(e)$1] )); then
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REPLY=alias
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elif (( $+functions[(e)$1] )); then
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REPLY=function
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elif (( $+builtins[(e)$1] )); then
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REPLY=builtin
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elif (( $+commands[(e)$1] )); then
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REPLY=command
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elif (( $+saliases[(e)${1##*.}] )); then
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REPLY='suffix alias'
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elif (( $reswords[(Ie)$1] )); then
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REPLY=reserved
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elif [[ $1 != */* || "${+ZSH_ARGZERO}" = "1" ]] && ! builtin type -w -- $1 >/dev/null 2>&1; then
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REPLY=none
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fi
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fi
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[[ -z "$REPLY" ]] && REPLY="${$(LC_ALL=C builtin type -w -- $1 2>/dev/null)##*: }"
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[[ "$REPLY" = "none" ]] && {
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[[ -d "$1" ]] && REPLY="dirpath" || {
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for cdpath_dir in $cdpath; do
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[[ -d "$cdpath_dir/$1" ]] && { REPLY="dirpath"; break; }
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done
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}
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}
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__hsmw_highlight_main__command_type_cache[(e)$1]=$REPLY
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}
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}
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# Check that the top of $braces_stack has the expected value. If it does, set
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# the style according to $2; otherwise, set style=unknown-token.
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#-hsmw-highlight-stack-pop() {
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# Below are variables that must be defined in outer
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# scope so that they are reachable in *-process()
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#
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# local right_brace_is_recognised_everywhere
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# integer path_dirs_was_set
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# integer multi_func_def
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# integer ointeractive_comments
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-hsmw-highlight-fill-option-variables() {
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if [[ -o ignore_braces ]] || eval '[[ -o ignore_close_braces ]] 2>/dev/null'; then
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right_brace_is_recognised_everywhere=0
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else
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right_brace_is_recognised_everywhere=1
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fi
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if [[ -o path_dirs ]]; then
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path_dirs_was_set=1
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else
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path_dirs_was_set=0
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fi
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if [[ -o multi_func_def ]]; then
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multi_func_def=1
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else
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multi_func_def=0
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fi
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if [[ -o interactive_comments ]]; then
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ointeractive_comments=1
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else
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ointeractive_comments=0
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fi
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}
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# Main syntax highlighting function.
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-hsmw-highlight-process() {
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emulate -L zsh
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setopt extendedglob bareglobqual nonomatch noksharrays
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(( path_dirs_was_set )) && setopt PATH_DIRS
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(( ointeractive_comments )) && local interactive_comments= # _set_ to empty
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# Variable declarations and initializations
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# in_array_assignment true between 'a=(' and the matching ')'
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# braces_stack: "R" for round, "Q" for square, "Y" for curly
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# mybuf, cdpath_dir are used in sub-functions
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local start_pos="$2" end_pos highlight_glob=1 arg style in_array_assignment=0 MATCH expanded_path braces_stack buf="$1" mybuf cdpath_dir cur_cmd alias_target
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# arg_type can be 0, 1, 2 or 3, i.e. precommand, control flow, command separator
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# idx and end_idx are used in sub-functions
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# for this_word and next_word look below at commented integers and at state machine description
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integer arg_type=0 MBEGIN MEND in_redirection len=${#buf} already_added offset idx end_idx this_word=1 next_word=0 insane_alias
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local -a match mbegin mend
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# Processing buffer
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local proc_buf="$buf" needle
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for arg in ${interactive_comments-${(z)buf}} ${interactive_comments+${(zZ+c+)buf}}; do
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# Initialize $next_word to its default value?
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(( in_redirection )) && (( --in_redirection ))
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(( in_redirection == 0 )) && next_word=2 # else Stall $next_word.
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already_added=0
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style=unknown-token
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if (( this_word & 1 )); then
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in_array_assignment=0
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[[ $arg == 'noglob' ]] && highlight_glob=0
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fi
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# Compute the new $start_pos and $end_pos, skipping over whitespace in $buf.
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if [[ $arg == ';' ]] ; then
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needle=$'[;\n]'
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offset=$(( ${proc_buf[(i)$needle]} - 1 ))
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(( start_pos += offset ))
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(( end_pos = start_pos + $#arg ))
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if [[ "${proc_buf[offset+1]}" = $'\n' ]]; then
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(( in_array_assignment )) && (( this_word = 2 )) || { (( this_word = 1 )); highlight_glob=1; }
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in_redirection=0
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reply+=("$(( start_pos - 1)) $end_pos ${HSMW_HIGHLIGHT_STYLES[newline]}")
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proc_buf="${proc_buf[offset + $#arg + 1,len]}"
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start_pos=$end_pos
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continue
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else
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(( in_array_assignment )) && (( this_word = 2 )) || { (( this_word = 1 )); highlight_glob=1; }
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in_redirection=0
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[[ "${HSMW_HIGHLIGHT_STYLES[commandseparator]}" != "none" ]] && reply+=("$start_pos $end_pos ${HSMW_HIGHLIGHT_STYLES[commandseparator]}")
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proc_buf="${proc_buf[offset + $#arg + 1,len]}"
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start_pos=$end_pos
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continue
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fi
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arg_type=3
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else
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offset=0
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if [[ "$proc_buf" = (#b)(#s)(([[:space:]]|\\[[:space:]])##)* ]]; then
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offset="${mend[1]}"
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fi
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((start_pos+=offset))
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((end_pos=start_pos+${#arg}))
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arg_type=${__HSMW_HIGHLIGHT_TOKENS_TYPES[$arg]}
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fi
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proc_buf="${proc_buf[offset + $#arg + 1,len]}"
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if [[ -n ${interactive_comments+'set'} && $arg[1] == $histchars[3] ]]; then
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if (( this_word & 3 )); then
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style=comment
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else
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style=unknown-token # prematurely terminated
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fi
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reply+=("$start_pos $end_pos ${HSMW_HIGHLIGHT_STYLES[$style]}")
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start_pos=$end_pos
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continue
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fi
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# Analyse the current word.
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if [[ $arg == (<0-9>|)(\<|\>)* ]] && [[ $arg != (\<|\>)$'\x28'* ]]; then
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# A '<' or '>', possibly followed by a digit
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in_redirection=2
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fi
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# Special-case the first word after 'sudo'.
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if (( ! in_redirection )); then
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if (( this_word & 4 )) && [[ $arg != -* ]]; then
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(( this_word = this_word ^ 4 ))
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fi
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# Parse the sudo command line
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if (( this_word & 4 )); then
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case "$arg" in
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# Flag that requires an argument
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'-'[Cgprtu])
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(( this_word & 1 )) && (( this_word = this_word ^ 1 ))
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(( next_word = 8 ))
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;;
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# This prevents misbehavior with sudo -u -otherargument
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'-'*)
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(( this_word & 1 )) && (( this_word = this_word ^ 1 ))
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(( next_word = next_word | 1 ))
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(( next_word = next_word | 4 ))
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;;
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*) ;;
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esac
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elif (( this_word & 8 )); then
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(( next_word = next_word | 4 ))
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(( next_word = next_word | 1 ))
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fi
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fi
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expanded_path=""
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# The Great Fork: is this a command word? Is this a non-command word?
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if (( this_word & 16 )) && [[ $arg == 'always' ]]; then
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# try-always construct
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style=reserved-word # de facto a reserved word, although not de jure
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(( next_word = 1 ))
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elif (( this_word & 1 )) && (( in_redirection == 0 )); then # $arg is the command word
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cur_cmd="$arg"
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if (( arg_type == 1 )); then
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style=precommand
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elif [[ "$arg" = "sudo" ]]; then
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style=precommand
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(( next_word & 2 )) && (( next_word = next_word ^ 2 ))
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(( next_word = next_word | 4 ))
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(( next_word = next_word | 1 ))
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else
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if [[ ${arg[1]} == \$ ]] && (( ${+parameters} )) && [[ ${arg:1} = (#m)([a-zA-Z_][a-zA-Z0-9_]#|[0-9]##) ]] && (( ${+parameters[${MATCH}]} )); then
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-hsmw-highlight-main-type ${(P)MATCH}
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else
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: ${expanded_path::=${(Q)~arg}}
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-hsmw-highlight-main-type $expanded_path
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fi
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case $REPLY in
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reserved) # reserved word
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style=reserved-word
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if [[ $arg == $'\x7b' ]]; then
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braces_stack='Y'"$braces_stack"
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elif [[ $arg == $'\x7d' && $braces_stack[1] == "Y" ]]; then
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braces_stack[1]=""
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style=reserved-word
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(( next_word = next_word | 16 ))
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elif [[ $arg == "[[" ]]; then
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braces_stack='A'"$braces_stack"
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fi
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;;
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'suffix alias') style=suffix-alias ;;
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alias)
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insane_alias=0
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case $arg in
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'='*)
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:
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;;
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*'='*)
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insane_alias=1
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;;
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*)
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:
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;;
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esac
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if (( insane_alias )); then
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style=unknown-token
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else
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style=alias
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zmodload -e zsh/parameter && alias_target=${aliases[$arg]} || alias_target="${"$(alias -- $arg)"#*=}"
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[[ ${__HSMW_HIGHLIGHT_TOKENS_TYPES[$alias_target]} = "1" && "$arg_type" != "1" ]] && __HSMW_HIGHLIGHT_TOKENS_TYPES[$arg]="1"
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fi
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;;
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builtin)
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style=builtin ;;
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function)
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style=() ;;
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command)
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style=command ;;
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hashed)
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style=hashed-command ;;
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dirpath)
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style=path ;;
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none)
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if [[ $arg == [[:alpha:]_][[:alnum:]_]#(|\[[^\]]#\])(|[+])=* ]] || [[ $arg == [0-9]##(|[+])=* ]]; then
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style=assign
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[[ $arg[-1] == '(' ]] && in_array_assignment=1 || (( next_word = next_word | 1 ))
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elif [[ $arg[1] = $histchars[1] && -n "${arg[2]}" ]]; then
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style=history-expansion
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elif [[ $arg[1] == $histchars[2] ]]; then
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style=history-expansion
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elif (( arg_type == 3 )); then
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(( this_word & 2 )) && style=commandseparator
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elif [[ $arg[1,2] == '((' ]]; then
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reply+=("$start_pos $(( start_pos + 2 )) ${HSMW_HIGHLIGHT_STYLES[reserved-word]}")
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already_added=1
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[[ $arg[-2,-1] == '))' ]] && reply+=("$(( end_pos - 2 )) $end_pos ${HSMW_HIGHLIGHT_STYLES[reserved-word]}")
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elif [[ $arg == '()' ]]; then
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style=reserved-word
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elif [[ $arg == $'\x28' ]]; then
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style=reserved-word
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braces_stack='R'"$braces_stack"
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elif [[ $arg == $'\x29' ]]; then
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[[ $braces_stack[1] == "R" ]] && { braces_stack[1]=""; style=reserved-word; }
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elif (( this_word & 14 )); then
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style=default
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fi
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;;
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*)
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already_added=1
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;;
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esac
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fi
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elif (( in_redirection + this_word & 14 )); then
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case $arg in
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']]')
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style=reserved-word
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[[ $braces_stack[1] == "A" ]] && braces_stack[1]=""
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;;
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']')
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style=builtin
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;;
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$'\x28')
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style=reserved-word
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braces_stack='R'"$braces_stack"
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;;
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$'\x29') # subshell or end of array assignment
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if (( in_array_assignment )); then
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style=assign
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in_array_assignment=0
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(( next_word = next_word | 1 ))
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elif [[ $braces_stack[1] == "R" ]]; then
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braces_stack[1]=""
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style=reserved-word
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fi ;;
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$'\x28\x29')
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(( multi_func_def )) && (( next_word = next_word | 1 ))
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style=reserved-word
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reply[-1]=()
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;;
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'--'*)
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style=double-hyphen-option ;;
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'-'*)
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style=single-hyphen-option ;;
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"'"*)
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style=single-quoted-argument ;;
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'"'*)
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reply+=("$start_pos $end_pos ${HSMW_HIGHLIGHT_STYLES[double-quoted-argument]}")
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-hsmw-highlight-string
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already_added=1
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;;
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\$\*)
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reply+=("$start_pos $end_pos ${HSMW_HIGHLIGHT_STYLES[dollar-quoted-argument]}")
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-hsmw-highlight-dollar-string
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already_added=1
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;;
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\$[^\(]*)
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style=variable
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;;
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'`'*)
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style=back-quoted-argument
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;;
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[*?]*|*[^\\][*?]*)
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(( highlight_glob )) && style=globbing || style=default
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;;
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*)
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if [[ $arg = $'\x7d' && $braces_stack[1] == "Y" ]] && [[ "$right_brace_is_recognised_everywhere" = "1" ]]; then
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braces_stack[1]=""
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style=reserved-word
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(( next_word = next_word | 16 ))
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elif [[ $arg[1] = $histchars[1] && -n "${arg[2]}" ]]; then
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style=history-expansion
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elif (( arg_type == 3 )); then
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style=commandseparator
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elif (( in_redirection == 2 )); then
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style=redirection
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else
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if (( __hsmw_no_check_paths == 0 )) && -hsmw-highlight-check-path; then
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reply+=("$start_pos $end_pos ${HSMW_HIGHLIGHT_STYLES[path]}")
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already_added=1
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if [[ -n "$HSMW_HIGHLIGHT_STYLES[path_pathseparator]" && "$HSMW_HIGHLIGHT_STYLES[path]" != "$HSMW_HIGHLIGHT_STYLES[path_pathseparator]" ]]; then
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local pos
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for (( pos = start_pos; pos <= end_pos; pos++ )) ; do
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[[ ${buf[pos]} == "/" ]] && reply+=("$(( pos - 1 )) $pos ${HSMW_HIGHLIGHT_STYLES[path_pathseparator]}")
|
|
done
|
|
fi
|
|
else
|
|
style=default
|
|
fi
|
|
fi
|
|
;;
|
|
esac
|
|
fi
|
|
|
|
(( already_added == 0 )) && [[ "${HSMW_HIGHLIGHT_STYLES[$style]}" != "none" ]] && reply+=("$start_pos $end_pos ${HSMW_HIGHLIGHT_STYLES[$style]}")
|
|
|
|
if (( arg_type == 3 )); then
|
|
if [[ $arg == ';' ]] && (( in_array_assignment )); then
|
|
(( next_word = 2 ))
|
|
elif [[ -n "${braces_stack[(r)A]}" ]]; then
|
|
(( next_word = 2 ))
|
|
else
|
|
(( next_word = 1 ))
|
|
highlight_glob=1
|
|
fi
|
|
elif (( arg_type == 1 || arg_type == 2 )) && (( this_word & 1 )); then
|
|
(( next_word = 1 ))
|
|
elif [[ $arg == "repeat" ]] && (( this_word & 1 )); then
|
|
in_redirection=2
|
|
(( thisword = 3 ))
|
|
fi
|
|
start_pos=$end_pos
|
|
(( in_redirection == 0 )) && (( this_word = next_word ))
|
|
done
|
|
|
|
return 0
|
|
}
|
|
|
|
-hsmw-highlight-check-path() {
|
|
: ${expanded_path:=${(Q)~arg}}
|
|
[[ -n "${FAST_BLIST_PATTERNS[(k)$expanded_path]}" ]] && return 1
|
|
|
|
[[ -z $expanded_path ]] && return 1
|
|
[[ -e $expanded_path ]] && return 0
|
|
|
|
if [[ "$cur_cmd" = "cd" ]]; then
|
|
for cdpath_dir in $cdpath ; do
|
|
if [[ -e "$cdpath_dir/$expanded_path" ]]; then
|
|
return 0
|
|
fi
|
|
done
|
|
fi
|
|
|
|
return 1
|
|
}
|
|
|
|
-hsmw-highlight-string() {
|
|
mybuf="$arg"
|
|
idx=start_pos
|
|
|
|
while [[ "$mybuf" = (#b)[^\$\\]#((\$(#B)([a-zA-Z_:][a-zA-Z0-9_:]#|[0-9]##)(#b)(\[[^\]]#\])(#c0,1))|(\$[{](\([a-zA-Z0@%#]##\))(#c0,1)[a-zA-Z0-9_:#]##(\[[^\]]#\])(#c0,1)[}])|[\\][\"\'\$]|[\\](*))(*) ]]; do
|
|
if [[ -n "${match[7]}" ]]; then
|
|
idx+=${mbegin[1]}+1
|
|
mybuf="${match[7]:1}"
|
|
else
|
|
idx+=${mbegin[1]}-1
|
|
end_idx=idx+${mend[1]}-${mbegin[1]}+1
|
|
mybuf="${match[8]}"
|
|
|
|
reply+=("$idx $end_idx ${HSMW_HIGHLIGHT_STYLES[back-or-dollar-double-quoted-argument]}")
|
|
|
|
idx=end_idx
|
|
fi
|
|
done
|
|
}
|
|
|
|
-hsmw-highlight-dollar-string() {
|
|
local i j k style
|
|
local AA
|
|
integer c
|
|
for (( i = 3 ; i < end_pos - start_pos ; i += 1 )); do
|
|
(( j = i + start_pos - 1 ))
|
|
(( k = j + 1 ))
|
|
case $arg[$i] in
|
|
\\)
|
|
style=back-dollar-quoted-argument
|
|
for (( c = i + 1 ; c <= end_pos - start_pos ; c += 1 )); do
|
|
[[ "$arg[$c]" != ([0-9xXuUa-fA-F]) ]] && break
|
|
done
|
|
AA=$arg[$i+1,$c-1]
|
|
if [[ "$AA" =~ "^(x|X)[0-9a-fA-F]{1,2}" || "$AA" =~ "^[0-7]{1,3}" || "$AA" =~ "^u[0-9a-fA-F]{1,4}" || "$AA" =~ "^U[0-9a-fA-F]{1,8}" ]]; then
|
|
(( k += $#MATCH ))
|
|
(( i += $#MATCH ))
|
|
else
|
|
if (( $#arg > $i+1 )) && [[ $arg[$i+1] == [xXuU] ]]; then
|
|
style=unknown-token
|
|
fi
|
|
(( k += 1 )) # Color following char too.
|
|
(( i += 1 )) # Skip parsing the escaped char.
|
|
fi
|
|
;;
|
|
*)
|
|
continue
|
|
;;
|
|
esac
|
|
reply+=("$j $k ${HSMW_HIGHLIGHT_STYLES[$style]}")
|
|
done
|
|
}
|
|
|
|
# -------------------------------------------------------------------------------------------------
|
|
# Main highlighter initialization
|
|
# -------------------------------------------------------------------------------------------------
|
|
|
|
-hsmw-highlight-init() {
|
|
__hsmw_highlight_main__command_type_cache=()
|
|
}
|
|
|
|
typeset -g __HSMW_MH_SOURCED=1
|