zsh-syntax-highlighting/zsh-syntax-highlighting.zsh

429 lines
11 KiB
Bash
Raw Normal View History

2010-12-25 12:33:08 -05:00
#!/usr/bin/env zsh
2011-01-05 04:54:25 -05:00
# -*- mode: zsh; sh-indentation: 2; indent-tabs-mode: nil; sh-basic-offset: 2; -*-
# vim: ft=zsh sw=2 ts=2 et
# Copyleft 2011 zsh-syntax-highlighting contributors
2010-12-25 12:47:12 -05:00
# http://github.com/nicoulaj/zsh-syntax-highlighting
2010-12-25 12:33:08 -05:00
# All wrongs reserved.
# Token types styles.
typeset -gA ZSH_HIGHLIGHT_STYLES
ZSH_HIGHLIGHT_STYLES=(
default 'none'
isearch 'fg=magenta,standout'
special 'fg=magenta,standout'
unknown-token 'fg=red,bold'
2010-12-31 08:45:03 -05:00
reserved-word 'fg=yellow'
alias 'fg=green'
builtin 'fg=green'
function 'fg=green'
command 'fg=green'
path 'underline'
2010-12-31 08:45:03 -05:00
globbing 'fg=blue'
history-expansion 'fg=blue'
2010-12-31 08:45:03 -05:00
single-hyphen-option 'none'
double-hyphen-option 'none'
back-quoted-argument 'none'
single-quoted-argument 'fg=yellow'
double-quoted-argument 'fg=yellow'
dollar-double-quoted-argument 'fg=cyan'
2010-12-31 08:45:03 -05:00
back-double-quoted-argument 'fg=cyan'
2011-01-05 07:48:23 -05:00
bracket-error 'fg=red,bold'
)
2010-12-25 12:33:08 -05:00
# Tokens that are always followed by a command.
ZSH_HIGHLIGHT_TOKENS_FOLLOWED_BY_COMMANDS=(
'|'
'||'
';'
'&'
'&&'
'sudo'
'start'
'time'
'strace'
'noglob'
2011-01-01 18:09:05 -05:00
'nocorrect'
'command'
'builtin'
'whence'
'which'
'where'
'whereis'
)
# ZLE events that trigger an update of the highlighting.
ZSH_HIGHLIGHT_ZLE_UPDATE_EVENTS=(
accept-and-hold
accept-and-infer-next-history
2011-01-05 04:54:25 -05:00
# accept-and-menu-complete
accept-line
accept-line-and-down-history
2011-01-05 04:54:25 -05:00
argument-base
auto-suffix-remove
auto-suffix-retain
backward-char
backward-delete-char
backward-delete-word
2011-01-05 04:54:25 -05:00
backward-kill-line
backward-kill-word
2011-01-05 04:54:25 -05:00
backward-kill-word-match
backward-word
backward-word-match
beep
beginning-of-buffer-or-history
beginning-of-history
2011-01-05 04:54:25 -05:00
beginning-of-line
beginning-of-line-hist
2011-01-05 04:54:25 -05:00
capitalize-word
capitalize-word-match
clear-screen
complete-word
2011-01-05 04:54:25 -05:00
copy-earlier-word
copy-prev-shell-word
copy-prev-word
copy-region-as-kill
cycle-completion-positions
delete-char
delete-char-or-list
2011-01-05 04:54:25 -05:00
delete-to-char
delete-whole-word-match
delete-word
describe-key-briefly
digit-argument
down-case-word
down-case-word-match
down-history
2011-01-05 04:54:25 -05:00
down-line-or-beginning-search
down-line-or-history
down-line-or-search
2011-01-05 04:54:25 -05:00
edit-command-line
emacs-backward-word
emacs-forward-word
end-of-buffer-or-history
end-of-history
2011-01-05 04:54:25 -05:00
end-of-line
end-of-line-hist
2011-01-05 04:54:25 -05:00
end-of-list
exchange-point-and-mark
execute-last-named-cmd
execute-named-cmd
expand-cmd-path
expand-history
expand-or-complete
expand-or-complete-prefix
2011-01-05 04:54:25 -05:00
expand-word
forward-char
forward-word
forward-word-match
get-line
gosmacs-transpose-chars
history-beginning-search-backward
2011-01-05 04:54:25 -05:00
history-beginning-search-backward-end
history-beginning-search-forward
2011-01-05 04:54:25 -05:00
history-beginning-search-forward-end
history-beginning-search-menu
history-incremental-pattern-search-backward
history-incremental-pattern-search-forward
history-incremental-search-backward
history-incremental-search-forward
2011-01-05 04:54:25 -05:00
history-pattern-search
history-pattern-search-backward
history-pattern-search-forward
history-search-backward
history-search-forward
2011-01-05 04:54:25 -05:00
incarg
# incremental-complete-word
infer-next-history
2011-01-05 04:54:25 -05:00
insert-composed-char
insert-files
insert-last-word
2011-01-05 04:54:25 -05:00
insert-unicode-char
kill-buffer
kill-line
kill-region
kill-whole-line
kill-word
2011-01-05 04:54:25 -05:00
kill-word-match
list-choices
list-expand
magic-space
2011-01-05 04:54:25 -05:00
match-word-context
match-words-by-style
menu-complete
menu-expand-or-complete
menu-select
modify-current-argument
narrow-to-region
narrow-to-region-invisible
neg-argument
overwrite-mode
pound-insert
predict-off
predict-on
push-input
push-line
push-line-or-edit
quote-line
quote-region
quoted-insert
2011-01-05 04:54:25 -05:00
read-command
read-from-minibuffer
recursive-edit
redisplay
redo
2011-01-05 04:54:25 -05:00
replace-pattern
replace-string
replace-string-again
reset-prompt
reverse-menu-complete
run-help
select-word-style
self-insert
2011-01-05 04:54:25 -05:00
self-insert-unmeta
send-break
set-mark-command
smart-insert-last-word
spell-word
split-shell-arguments
transpose-chars
transpose-words
transpose-words-match
undefined-key
undo
2011-01-05 04:54:25 -05:00
universal-argument
up-case-word
up-case-word-match
up-history
2011-01-05 04:54:25 -05:00
up-line-or-beginning-search
up-line-or-history
up-line-or-search
2011-01-05 04:54:25 -05:00
vi-add-eol
vi-add-next
vi-backward-blank-word
vi-backward-char
vi-backward-delete-char
vi-backward-kill-word
2011-01-05 04:54:25 -05:00
vi-backward-word
vi-beginning-of-line
vi-caps-lock-panic
vi-change
vi-change-eol
vi-change-whole-line
vi-cmd-mode
vi-delete
vi-delete-char
vi-digit-or-beginning-of-line
vi-down-line-or-history
2011-01-05 04:54:25 -05:00
vi-end-of-line
vi-fetch-history
2011-01-05 04:54:25 -05:00
vi-find-next-char
vi-find-next-char-skip
vi-find-prev-char
vi-find-prev-char-skip
vi-first-non-blank
vi-forward-blank-word
vi-forward-blank-word-end
vi-forward-char
vi-forward-word
vi-forward-word-end
vi-goto-column
vi-goto-mark
vi-goto-mark-line
vi-history-search-backward
vi-history-search-forward
2011-01-05 04:54:25 -05:00
vi-indent
vi-insert
vi-insert-bol
vi-join
vi-kill-eol
vi-kill-line
vi-match-bracket
vi-open-line-above
vi-open-line-below
vi-oper-swap-case
vi-pound-insert
vi-put-after
vi-put-before
vi-quoted-insert
2011-01-05 04:54:25 -05:00
vi-repeat-change
vi-repeat-find
vi-repeat-search
2011-01-05 04:54:25 -05:00
vi-replace
vi-replace-chars
vi-rev-repeat-find
vi-rev-repeat-search
2011-01-05 04:54:25 -05:00
vi-set-buffer
vi-set-mark
vi-substitute
vi-swap-case
vi-undo-change
vi-unindent
vi-up-line-or-history
2011-01-05 04:54:25 -05:00
vi-yank
vi-yank-eol
vi-yank-whole-line
what-cursor-position
where-is
which-command
yank
2011-01-05 04:54:25 -05:00
yank-pop
zap-to-char
)
2011-01-05 07:48:23 -05:00
# Colors for bracket levels
# Put as many color as you wish
# Leave it as an empty array to disable
ZSH_MATCHING_BRACKETS=(
'fg=blue,bold'
'fg=green,bold'
'fg=magenta,bold'
'fg=yellow,bold'
'fg=cyan,bold'
)
# ZLE highlight types.
zle_highlight=(
special:$ZSH_HIGHLIGHT_STYLES[special]
isearch:$ZSH_HIGHLIGHT_STYLES[isearch]
)
2010-12-25 12:33:08 -05:00
# Check if the argument is a path.
_zsh_check-path() {
2010-12-30 11:05:00 -05:00
[[ -z $arg ]] && return 1
[[ -e $arg ]] && return 0
[[ ! -e ${arg:h} ]] && return 1
[[ ${#BUFFER} == $end_pos && -n $(print $arg*(N)) ]] && return 0
return 1
}
# Highlight special chars inside double-quoted strings
_zsh_highlight-string() {
setopt localoptions noksharrays
local i j k style
# Starting quote is at 1, so start parsing at offset 2 in the string.
for (( i = 2 ; i < end_pos - start_pos ; i += 1 )) ; do
2010-12-30 11:05:00 -05:00
(( j = i + start_pos - 1 ))
(( k = j + 1 ))
case "$arg[$i]" in
'$') style=$ZSH_HIGHLIGHT_STYLES[dollar-double-quoted-argument];;
"\\") style=$ZSH_HIGHLIGHT_STYLES[back-double-quoted-argument]
(( k += 1 )) # Color following char too.
(( i += 1 )) # Skip parsing the escaped char.
;;
*) continue;;
esac
region_highlight+=("$j $k $style")
2010-12-30 11:05:00 -05:00
done
}
2010-12-25 12:33:08 -05:00
# Recolorize the current ZLE buffer.
_zsh_highlight-zle-buffer() {
# Avoid doing the same work over and over
[[ ${ZSH_PRIOR_HIGHLIGHTED_BUFFER:-} == $BUFFER ]] && return
ZSH_PRIOR_HIGHLIGHTED_BUFFER=$BUFFER
2010-12-30 10:13:48 -05:00
setopt localoptions extendedglob bareglobqual
local new_expression=true
local start_pos=0
local highlight_glob=true
local end_pos arg style
2010-12-25 12:33:08 -05:00
region_highlight=()
for arg in ${(z)BUFFER}; do
local substr_color=0
[[ $start_pos -eq 0 && $arg = 'noglob' ]] && highlight_glob=false
2010-12-26 02:51:38 -05:00
((start_pos+=${#BUFFER[$start_pos+1,-1]}-${#${BUFFER[$start_pos+1,-1]##[[:space:]]#}}))
2010-12-25 12:33:08 -05:00
((end_pos=$start_pos+${#arg}))
if $new_expression; then
new_expression=false
res=$(LC_ALL=C builtin type -w $arg 2>/dev/null)
2010-12-25 12:33:08 -05:00
case $res in
*': reserved') style=$ZSH_HIGHLIGHT_STYLES[reserved-word];;
*': alias') style=$ZSH_HIGHLIGHT_STYLES[alias]
local aliased_command="${"$(alias $arg)"#*=}"
if [[ ${${ZSH_HIGHLIGHT_TOKENS_FOLLOWED_BY_COMMANDS[(r)$aliased_command]:-}:+yes} = 'yes' && ${${ZSH_HIGHLIGHT_TOKENS_FOLLOWED_BY_COMMANDS[(r)$arg]:-}:+yes} != 'yes' ]]; then
ZSH_HIGHLIGHT_TOKENS_FOLLOWED_BY_COMMANDS+=($arg)
fi
;;
*': builtin') style=$ZSH_HIGHLIGHT_STYLES[builtin];;
*': function') style=$ZSH_HIGHLIGHT_STYLES[function];;
*': command') style=$ZSH_HIGHLIGHT_STYLES[command];;
*) if _zsh_check-path; then
style=$ZSH_HIGHLIGHT_STYLES[path]
2011-01-01 13:17:02 -05:00
elif [[ $arg[0,1] = $histchars[0,1] ]]; then
style=$ZSH_HIGHLIGHT_STYLES[history-expansion]
else
style=$ZSH_HIGHLIGHT_STYLES[unknown-token]
2011-01-05 04:54:25 -05:00
fi
;;
2010-12-25 12:33:08 -05:00
esac
else
2010-12-30 11:05:00 -05:00
case $arg in
'--'*) style=$ZSH_HIGHLIGHT_STYLES[double-hyphen-option];;
'-'*) style=$ZSH_HIGHLIGHT_STYLES[single-hyphen-option];;
"'"*"'") style=$ZSH_HIGHLIGHT_STYLES[single-quoted-argument];;
'"'*'"') style=$ZSH_HIGHLIGHT_STYLES[double-quoted-argument]
2010-12-30 11:47:55 -05:00
region_highlight+=("$start_pos $end_pos $style")
_zsh_highlight-string
substr_color=1
;;
'`'*'`') style=$ZSH_HIGHLIGHT_STYLES[back-quoted-argument];;
*"*"*) $highlight_glob && style=$ZSH_HIGHLIGHT_STYLES[globbing] || style=$ZSH_HIGHLIGHT_STYLES[default];;
*) if _zsh_check-path; then
style=$ZSH_HIGHLIGHT_STYLES[path]
2011-01-01 13:17:02 -05:00
elif [[ $arg[0,1] = $histchars[0,1] ]]; then
style=$ZSH_HIGHLIGHT_STYLES[history-expansion]
else
style=$ZSH_HIGHLIGHT_STYLES[default]
2011-01-05 04:54:25 -05:00
fi
;;
2010-12-30 11:05:00 -05:00
esac
2010-12-25 12:33:08 -05:00
fi
[[ $substr_color = 0 ]] && region_highlight+=("$start_pos $end_pos $style")
[[ ${${ZSH_HIGHLIGHT_TOKENS_FOLLOWED_BY_COMMANDS[(r)${arg//|/\|}]:-}:+yes} = 'yes' ]] && new_expression=true
2010-12-25 12:33:08 -05:00
start_pos=$end_pos
done
2011-01-05 07:48:23 -05:00
# Bracket matching
bracket_color_size=${#ZSH_MATCHING_BRACKETS}
if ((bracket_color_size > 0)); then
((level = 0))
for pos in {1..${#BUFFER}}; do
case $BUFFER[pos] in
"("|"["|"{")
((level++))
region_highlight+=("$((pos - 1)) $pos "$ZSH_MATCHING_BRACKETS[(( (level - 1) % bracket_color_size + 1 ))])
;;
")"|"]"|"}")
if ((level < 1)); then
region_highlight+=("$((pos - 1)) $pos "$ZSH_HIGHLIGHT_STYLES[bracket-error])
else
region_highlight+=("$((pos - 1)) $pos "$ZSH_MATCHING_BRACKETS[(( (level - 1) % bracket_color_size + 1 ))])
fi
((level--))
;;
esac
done
fi
2010-12-25 12:33:08 -05:00
}
# Special treatment for completion/expansion events:
# For each *complete* function, we create a widget which mimics the original
# and use this orig-* version inside the new colorized zle function (the dot
# idiom used for all others doesn't work right for these functions for some
# reason). You can see the default setup using "zle -l -L".
# Bind ZLE events to highlighting function.
for f in $ZSH_HIGHLIGHT_ZLE_UPDATE_EVENTS; do
case $f in
*complete*)
2010-12-30 13:36:51 -05:00
eval "zle -C orig-$f .$f _main_complete ; $f() { builtin zle orig-$f && _zsh_highlight-zle-buffer } ; zle -N $f"
;;
*)
eval "$f() { builtin zle .$f && _zsh_highlight-zle-buffer } ; zle -N $f"
;;
esac
2010-12-25 12:33:08 -05:00
done
2011-01-05 04:54:25 -05:00