summaryrefslogtreecommitdiff
path: root/.config/zsh/plugins/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh
diff options
context:
space:
mode:
Diffstat (limited to '.config/zsh/plugins/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh')
-rw-r--r--.config/zsh/plugins/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh600
1 files changed, 600 insertions, 0 deletions
diff --git a/.config/zsh/plugins/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh b/.config/zsh/plugins/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh
new file mode 100644
index 0000000..bec0189
--- /dev/null
+++ b/.config/zsh/plugins/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh
@@ -0,0 +1,600 @@
+# -------------------------------------------------------------------------------------------------
+# Copyright (c) 2010-2020 zsh-syntax-highlighting contributors
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification, are permitted
+# provided that the following conditions are met:
+#
+# * Redistributions of source code must retain the above copyright notice, this list of conditions
+# and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright notice, this list of
+# conditions and the following disclaimer in the documentation and/or other materials provided
+# with the distribution.
+# * Neither the name of the zsh-syntax-highlighting contributors nor the names of its contributors
+# may be used to endorse or promote products derived from this software without specific prior
+# written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
+# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+# FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+# IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+# -------------------------------------------------------------------------------------------------
+# -*- mode: zsh; sh-indentation: 2; indent-tabs-mode: nil; sh-basic-offset: 2; -*-
+# vim: ft=zsh sw=2 ts=2 et
+# -------------------------------------------------------------------------------------------------
+
+# First of all, ensure predictable parsing.
+typeset zsh_highlight__aliases="$(builtin alias -Lm '[^+]*')"
+# In zsh <= 5.2, aliases that begin with a plus sign ('alias -- +foo=42')
+# are emitted by `alias -L` without a '--' guard, so they don't round trip.
+#
+# Hence, we exclude them from unaliasing:
+builtin unalias -m '[^+]*'
+
+# Set $0 to the expected value, regardless of functionargzero.
+0=${(%):-%N}
+if true; then
+ # $0 is reliable
+ typeset -g ZSH_HIGHLIGHT_VERSION=$(<"${0:A:h}"/.version)
+ typeset -g ZSH_HIGHLIGHT_REVISION=$(<"${0:A:h}"/.revision-hash)
+ if [[ $ZSH_HIGHLIGHT_REVISION == \$Format:* ]]; then
+ # When running from a source tree without 'make install', $ZSH_HIGHLIGHT_REVISION
+ # would be set to '$Format:%H$' literally. That's an invalid value, and obtaining
+ # the valid value (via `git rev-parse HEAD`, as Makefile does) might be costly, so:
+ ZSH_HIGHLIGHT_REVISION=HEAD
+ fi
+fi
+
+# This function takes a single argument F and returns True iff F is an autoload stub.
+_zsh_highlight__function_is_autoload_stub_p() {
+ if zmodload -e zsh/parameter; then
+ #(( ${+functions[$1]} )) &&
+ [[ "$functions[$1]" == *"builtin autoload -X"* ]]
+ else
+ #[[ $(type -wa -- "$1") == *'function'* ]] &&
+ [[ "${${(@f)"$(which -- "$1")"}[2]}" == $'\t'$histchars[3]' undefined' ]]
+ fi
+ # Do nothing here: return the exit code of the if.
+}
+
+# Return True iff the argument denotes a function name.
+_zsh_highlight__is_function_p() {
+ if zmodload -e zsh/parameter; then
+ (( ${+functions[$1]} ))
+ else
+ [[ $(type -wa -- "$1") == *'function'* ]]
+ fi
+}
+
+# This function takes a single argument F and returns True iff F denotes the
+# name of a callable function. A function is callable if it is fully defined
+# or if it is marked for autoloading and autoloading it at the first call to it
+# will succeed. In particular, if F has been marked for autoloading
+# but is not available in $fpath, then calling this function on F will return False.
+#
+# See users/21671 http://www.zsh.org/cgi-bin/mla/redirect?USERNUMBER=21671
+_zsh_highlight__function_callable_p() {
+ if _zsh_highlight__is_function_p "$1" &&
+ ! _zsh_highlight__function_is_autoload_stub_p "$1"
+ then
+ # Already fully loaded.
+ return 0 # true
+ else
+ # "$1" is either an autoload stub, or not a function at all.
+ #
+ # Use a subshell to avoid affecting the calling shell.
+ #
+ # We expect 'autoload +X' to return non-zero if it fails to fully load
+ # the function.
+ ( autoload -U +X -- "$1" 2>/dev/null )
+ return $?
+ fi
+}
+
+# -------------------------------------------------------------------------------------------------
+# Core highlighting update system
+# -------------------------------------------------------------------------------------------------
+
+# Use workaround for bug in ZSH?
+# zsh-users/zsh@48cadf4 http://www.zsh.org/mla/workers//2017/msg00034.html
+autoload -Uz is-at-least
+if is-at-least 5.4; then
+ typeset -g zsh_highlight__pat_static_bug=false
+else
+ typeset -g zsh_highlight__pat_static_bug=true
+fi
+
+# Array declaring active highlighters names.
+typeset -ga ZSH_HIGHLIGHT_HIGHLIGHTERS
+
+# Update ZLE buffer syntax highlighting.
+#
+# Invokes each highlighter that needs updating.
+# This function is supposed to be called whenever the ZLE state changes.
+_zsh_highlight()
+{
+ # Store the previous command return code to restore it whatever happens.
+ local ret=$?
+ # Make it read-only. Can't combine this with the previous line when POSIX_BUILTINS may be set.
+ typeset -r ret
+
+ # $region_highlight should be predefined, either by zle or by the test suite's mock (non-special) array.
+ (( ${+region_highlight} )) || {
+ echo >&2 'zsh-syntax-highlighting: error: $region_highlight is not defined'
+ echo >&2 'zsh-syntax-highlighting: (Check whether zsh-syntax-highlighting was installed according to the instructions.)'
+ return $ret
+ }
+
+ # Probe the memo= feature, once.
+ (( ${+zsh_highlight__memo_feature} )) || {
+ region_highlight+=( " 0 0 fg=red, memo=zsh-syntax-highlighting" )
+ case ${region_highlight[-1]} in
+ ("0 0 fg=red")
+ # zsh 5.8 or earlier
+ integer -gr zsh_highlight__memo_feature=0
+ ;;
+ ("0 0 fg=red memo=zsh-syntax-highlighting")
+ # zsh 5.9 or later
+ integer -gr zsh_highlight__memo_feature=1
+ ;;
+ (" 0 0 fg=red, memo=zsh-syntax-highlighting") ;&
+ (*)
+ # We can get here in two ways:
+ #
+ # 1. When not running as a widget. In that case, $region_highlight is
+ # not a special variable (= one with custom getter/setter functions
+ # written in C) but an ordinary one, so the third case pattern matches
+ # and we fall through to this block. (The test suite uses this codepath.)
+ #
+ # 2. When running under a future version of zsh that will have changed
+ # the serialization of $region_highlight elements from their underlying
+ # C structs, so that none of the previous case patterns will match.
+ #
+ # In either case, fall back to a version check.
+ #
+ # The memo= feature was added to zsh in commit zsh-5.8-172-gdd6e702ee.
+ # The version number at the time was 5.8.0.2-dev (see Config/version.mk).
+ # Therefore, on zsh master 5.8.0.3 and newer the memo= feature is available.
+ # However, there's also the zsh 5.8.1 release, which doesn't have the
+ # memo= feature.
+ #
+ # On zsh master 5.8.0.2 between the aforementioned commit and the
+ # first Config/version.mk bump after it (zsh-5.8-607-g75c1edde5, the
+ # bump to 5.8.1.1-dev following the backport to master of the bump
+ # to 5.8.1), this condition will false negative.
+ if is-at-least 5.8.1.1 $ZSH_VERSION.0.0; then
+ integer -gr zsh_highlight__memo_feature=1
+ else
+ integer -gr zsh_highlight__memo_feature=0
+ fi
+ ;;
+ esac
+ region_highlight[-1]=()
+ }
+
+ # Reset region_highlight to build it from scratch
+ if (( zsh_highlight__memo_feature )); then
+ region_highlight=( "${(@)region_highlight:#*memo=zsh-syntax-highlighting*}" )
+ else
+ # Legacy codepath. Not very interoperable with other plugins (issue #418).
+ region_highlight=()
+ fi
+
+ # Remove all highlighting in isearch, so that only the underlining done by zsh itself remains.
+ # For details see FAQ entry 'Why does syntax highlighting not work while searching history?'.
+ # This disables highlighting during isearch (for reasons explained in README.md) unless zsh is new enough
+ # and doesn't have the pattern matching bug
+ if [[ $WIDGET == zle-isearch-update ]] && { $zsh_highlight__pat_static_bug || ! (( $+ISEARCHMATCH_ACTIVE )) }; then
+ return $ret
+ fi
+
+ # Before we 'emulate -L', save the user's options
+ local -A zsyh_user_options
+ if zmodload -e zsh/parameter; then
+ zsyh_user_options=("${(kv)options[@]}")
+ else
+ local canonical_options onoff option raw_options
+ raw_options=(${(f)"$(emulate -R zsh; set -o)"})
+ canonical_options=(${${${(M)raw_options:#*off}%% *}#no} ${${(M)raw_options:#*on}%% *})
+ for option in "${canonical_options[@]}"; do
+ [[ -o $option ]]
+ case $? in
+ (0) zsyh_user_options+=($option on);;
+ (1) zsyh_user_options+=($option off);;
+ (*) # Can't happen, surely?
+ echo "zsh-syntax-highlighting: warning: '[[ -o $option ]]' returned $?"
+ ;;
+ esac
+ done
+ fi
+ typeset -r zsyh_user_options
+
+ emulate -L zsh
+ setopt localoptions warncreateglobal nobashrematch
+ local REPLY # don't leak $REPLY into global scope
+
+ # Do not highlight if there are more than 300 chars in the buffer. It's most
+ # likely a pasted command or a huge list of files in that case..
+ [[ -n ${ZSH_HIGHLIGHT_MAXLENGTH:-} ]] && [[ $#BUFFER -gt $ZSH_HIGHLIGHT_MAXLENGTH ]] && return $ret
+
+ # Do not highlight if there are pending inputs (copy/paste).
+ (( KEYS_QUEUED_COUNT > 0 )) && return $ret
+ (( PENDING > 0 )) && return $ret
+
+ {
+ local cache_place
+ local -a region_highlight_copy
+
+ # Select which highlighters in ZSH_HIGHLIGHT_HIGHLIGHTERS need to be invoked.
+ local highlighter; for highlighter in $ZSH_HIGHLIGHT_HIGHLIGHTERS; do
+
+ # eval cache place for current highlighter and prepare it
+ cache_place="_zsh_highlight__highlighter_${highlighter}_cache"
+ typeset -ga ${cache_place}
+
+ # If highlighter needs to be invoked
+ if ! type "_zsh_highlight_highlighter_${highlighter}_predicate" >&/dev/null; then
+ echo "zsh-syntax-highlighting: warning: disabling the ${(qq)highlighter} highlighter as it has not been loaded" >&2
+ # TODO: use ${(b)} rather than ${(q)} if supported
+ ZSH_HIGHLIGHT_HIGHLIGHTERS=( ${ZSH_HIGHLIGHT_HIGHLIGHTERS:#${highlighter}} )
+ elif "_zsh_highlight_highlighter_${highlighter}_predicate"; then
+
+ # save a copy, and cleanup region_highlight
+ region_highlight_copy=("${region_highlight[@]}")
+ region_highlight=()
+
+ # Execute highlighter and save result
+ {
+ "_zsh_highlight_highlighter_${highlighter}_paint"
+ } always {
+ : ${(AP)cache_place::="${region_highlight[@]}"}
+ }
+
+ # Restore saved region_highlight
+ region_highlight=("${region_highlight_copy[@]}")
+
+ fi
+
+ # Use value form cache if any cached
+ region_highlight+=("${(@P)cache_place}")
+
+ done
+
+ # Re-apply zle_highlight settings
+
+ # region
+ () {
+ (( REGION_ACTIVE )) || return
+ integer min max
+ if (( MARK > CURSOR )) ; then
+ min=$CURSOR max=$MARK
+ else
+ min=$MARK max=$CURSOR
+ fi
+ if (( REGION_ACTIVE == 1 )); then
+ [[ $KEYMAP = vicmd ]] && (( max++ ))
+ elif (( REGION_ACTIVE == 2 )); then
+ local needle=$'\n'
+ # CURSOR and MARK are 0 indexed between letters like region_highlight
+ # Do not include the newline in the highlight
+ (( min = ${BUFFER[(Ib:min:)$needle]} ))
+ (( max = ${BUFFER[(ib:max:)$needle]} - 1 ))
+ fi
+ _zsh_highlight_apply_zle_highlight region standout "$min" "$max"
+ }
+
+ # yank / paste (zsh-5.1.1 and newer)
+ (( $+YANK_ACTIVE )) && (( YANK_ACTIVE )) && _zsh_highlight_apply_zle_highlight paste standout "$YANK_START" "$YANK_END"
+
+ # isearch
+ (( $+ISEARCHMATCH_ACTIVE )) && (( ISEARCHMATCH_ACTIVE )) && _zsh_highlight_apply_zle_highlight isearch underline "$ISEARCHMATCH_START" "$ISEARCHMATCH_END"
+
+ # suffix
+ (( $+SUFFIX_ACTIVE )) && (( SUFFIX_ACTIVE )) && _zsh_highlight_apply_zle_highlight suffix bold "$SUFFIX_START" "$SUFFIX_END"
+
+
+ return $ret
+
+
+ } always {
+ typeset -g _ZSH_HIGHLIGHT_PRIOR_BUFFER="$BUFFER"
+ typeset -gi _ZSH_HIGHLIGHT_PRIOR_CURSOR=$CURSOR
+ }
+}
+
+# Apply highlighting based on entries in the zle_highlight array.
+# This function takes four arguments:
+# 1. The exact entry (no patterns) in the zle_highlight array:
+# region, paste, isearch, or suffix
+# 2. The default highlighting that should be applied if the entry is unset
+# 3. and 4. Two integer values describing the beginning and end of the
+# range. The order does not matter.
+_zsh_highlight_apply_zle_highlight() {
+ local entry="$1" default="$2"
+ integer first="$3" second="$4"
+
+ # read the relevant entry from zle_highlight
+ #
+ # ### In zsh≥5.0.8 we'd use ${(b)entry}, but we support older zsh's, so we don't
+ # ### add (b). The only effect is on the failure mode for callers that violate
+ # ### the precondition.
+ local region="${zle_highlight[(r)${entry}:*]-}"
+
+ if [[ -z "$region" ]]; then
+ # entry not specified at all, use default value
+ region=$default
+ else
+ # strip prefix
+ region="${region#${entry}:}"
+
+ # no highlighting when set to the empty string or to 'none'
+ if [[ -z "$region" ]] || [[ "$region" == none ]]; then
+ return
+ fi
+ fi
+
+ integer start end
+ if (( first < second )); then
+ start=$first end=$second
+ else
+ start=$second end=$first
+ fi
+ region_highlight+=("$start $end $region, memo=zsh-syntax-highlighting")
+}
+
+
+# -------------------------------------------------------------------------------------------------
+# API/utility functions for highlighters
+# -------------------------------------------------------------------------------------------------
+
+# Array used by highlighters to declare user overridable styles.
+typeset -gA ZSH_HIGHLIGHT_STYLES
+
+# Whether the command line buffer has been modified or not.
+#
+# Returns 0 if the buffer has changed since _zsh_highlight was last called.
+_zsh_highlight_buffer_modified()
+{
+ [[ "${_ZSH_HIGHLIGHT_PRIOR_BUFFER:-}" != "$BUFFER" ]]
+}
+
+# Whether the cursor has moved or not.
+#
+# Returns 0 if the cursor has moved since _zsh_highlight was last called.
+_zsh_highlight_cursor_moved()
+{
+ [[ -n $CURSOR ]] && [[ -n ${_ZSH_HIGHLIGHT_PRIOR_CURSOR-} ]] && (($_ZSH_HIGHLIGHT_PRIOR_CURSOR != $CURSOR))
+}
+
+# Add a highlight defined by ZSH_HIGHLIGHT_STYLES.
+#
+# Should be used by all highlighters aside from 'pattern' (cf. ZSH_HIGHLIGHT_PATTERN).
+# Overwritten in tests/test-highlighting.zsh when testing.
+_zsh_highlight_add_highlight()
+{
+ local -i start end
+ local highlight
+ start=$1
+ end=$2
+ shift 2
+ for highlight; do
+ if (( $+ZSH_HIGHLIGHT_STYLES[$highlight] )); then
+ region_highlight+=("$start $end $ZSH_HIGHLIGHT_STYLES[$highlight], memo=zsh-syntax-highlighting")
+ break
+ fi
+ done
+}
+
+# -------------------------------------------------------------------------------------------------
+# Setup functions
+# -------------------------------------------------------------------------------------------------
+
+# Helper for _zsh_highlight_bind_widgets
+# $1 is name of widget to call
+_zsh_highlight_call_widget()
+{
+ builtin zle "$@" &&
+ _zsh_highlight
+}
+
+# Decide whether to use the zle-line-pre-redraw codepath (colloquially known as
+# "feature/redrawhook", after the topic branch's name) or the legacy "bind all
+# widgets" codepath.
+#
+# We use the new codepath under two conditions:
+#
+# 1. If it's available, which we check by testing for add-zle-hook-widget's availability.
+#
+# 2. If zsh has the memo= feature, which is required for interoperability reasons.
+# See issues #579 and #735, and the issues referenced from them.
+#
+# We check this with a plain version number check, since a functional check,
+# as done by _zsh_highlight, can only be done from inside a widget
+# function — a catch-22.
+#
+# See _zsh_highlight for the magic version number.
+if is-at-least 5.8.1.1 $ZSH_VERSION.0.0 && _zsh_highlight__function_callable_p add-zle-hook-widget
+then
+ autoload -U add-zle-hook-widget
+ _zsh_highlight__zle-line-finish() {
+ # Reset $WIDGET since the 'main' highlighter depends on it.
+ #
+ # Since $WIDGET is declared by zle as read-only in this function's scope,
+ # a nested function is required in order to shadow its built-in value;
+ # see "User-defined widgets" in zshall.
+ () {
+ local -h -r WIDGET=zle-line-finish
+ _zsh_highlight
+ }
+ }
+ _zsh_highlight__zle-line-pre-redraw() {
+ # Set $? to 0 for _zsh_highlight. Without this, subsequent
+ # zle-line-pre-redraw hooks won't run, since add-zle-hook-widget happens to
+ # call us with $? == 1 in the common case.
+ true && _zsh_highlight "$@"
+ }
+ _zsh_highlight_bind_widgets(){}
+ if [[ -o zle ]]; then
+ add-zle-hook-widget zle-line-pre-redraw _zsh_highlight__zle-line-pre-redraw
+ add-zle-hook-widget zle-line-finish _zsh_highlight__zle-line-finish
+ fi
+else
+ # Rebind all ZLE widgets to make them invoke _zsh_highlights.
+ _zsh_highlight_bind_widgets()
+ {
+ setopt localoptions noksharrays
+ typeset -F SECONDS
+ local prefix=orig-s$SECONDS-r$RANDOM # unique each time, in case we're sourced more than once
+
+ # Load ZSH module zsh/zleparameter, needed to override user defined widgets.
+ zmodload zsh/zleparameter 2>/dev/null || {
+ print -r -- >&2 'zsh-syntax-highlighting: failed loading zsh/zleparameter.'
+ return 1
+ }
+
+ # Override ZLE widgets to make them invoke _zsh_highlight.
+ local -U widgets_to_bind
+ widgets_to_bind=(${${(k)widgets}:#(.*|run-help|which-command|beep|set-local-history|yank|yank-pop)})
+
+ # Always wrap special zle-line-finish widget. This is needed to decide if the
+ # current line ends and special highlighting logic needs to be applied.
+ # E.g. remove cursor imprint, don't highlight partial paths, ...
+ widgets_to_bind+=(zle-line-finish)
+
+ # Always wrap special zle-isearch-update widget to be notified of updates in isearch.
+ # This is needed because we need to disable highlighting in that case.
+ widgets_to_bind+=(zle-isearch-update)
+
+ local cur_widget
+ for cur_widget in $widgets_to_bind; do
+ case ${widgets[$cur_widget]:-""} in
+
+ # Already rebound event: do nothing.
+ user:_zsh_highlight_widget_*);;
+
+ # The "eval"'s are required to make $cur_widget a closure: the value of the parameter at function
+ # definition time is used.
+ #
+ # We can't use ${0/_zsh_highlight_widget_} because these widgets are always invoked with
+ # NO_function_argzero, regardless of the option's setting here.
+
+ # User defined widget: override and rebind old one with prefix "orig-".
+ user:*) zle -N $prefix-$cur_widget ${widgets[$cur_widget]#*:}
+ eval "_zsh_highlight_widget_${(q)prefix}-${(q)cur_widget}() { _zsh_highlight_call_widget ${(q)prefix}-${(q)cur_widget} -- \"\$@\" }"
+ zle -N $cur_widget _zsh_highlight_widget_$prefix-$cur_widget;;
+
+ # Completion widget: override and rebind old one with prefix "orig-".
+ completion:*) zle -C $prefix-$cur_widget ${${(s.:.)widgets[$cur_widget]}[2,3]}
+ eval "_zsh_highlight_widget_${(q)prefix}-${(q)cur_widget}() { _zsh_highlight_call_widget ${(q)prefix}-${(q)cur_widget} -- \"\$@\" }"
+ zle -N $cur_widget _zsh_highlight_widget_$prefix-$cur_widget;;
+
+ # Builtin widget: override and make it call the builtin ".widget".
+ builtin) eval "_zsh_highlight_widget_${(q)prefix}-${(q)cur_widget}() { _zsh_highlight_call_widget .${(q)cur_widget} -- \"\$@\" }"
+ zle -N $cur_widget _zsh_highlight_widget_$prefix-$cur_widget;;
+
+ # Incomplete or nonexistent widget: Bind to z-sy-h directly.
+ *)
+ if [[ $cur_widget == zle-* ]] && (( ! ${+widgets[$cur_widget]} )); then
+ _zsh_highlight_widget_${cur_widget}() { :; _zsh_highlight }
+ zle -N $cur_widget _zsh_highlight_widget_$cur_widget
+ else
+ # Default: unhandled case.
+ print -r -- >&2 "zsh-syntax-highlighting: unhandled ZLE widget ${(qq)cur_widget}"
+ print -r -- >&2 "zsh-syntax-highlighting: (This is sometimes caused by doing \`bindkey <keys> ${(q-)cur_widget}\` without creating the ${(qq)cur_widget} widget with \`zle -N\` or \`zle -C\`.)"
+ fi
+ esac
+ done
+ }
+fi
+
+# Load highlighters from directory.
+#
+# Arguments:
+# 1) Path to the highlighters directory.
+_zsh_highlight_load_highlighters()
+{
+ setopt localoptions noksharrays bareglobqual
+
+ # Check the directory exists.
+ [[ -d "$1" ]] || {
+ print -r -- >&2 "zsh-syntax-highlighting: highlighters directory ${(qq)1} not found."
+ return 1
+ }
+
+ # Load highlighters from highlighters directory and check they define required functions.
+ local highlighter highlighter_dir
+ for highlighter_dir ($1/*/(/)); do
+ highlighter="${highlighter_dir:t}"
+ [[ -f "$highlighter_dir${highlighter}-highlighter.zsh" ]] &&
+ . "$highlighter_dir${highlighter}-highlighter.zsh"
+ if type "_zsh_highlight_highlighter_${highlighter}_paint" &> /dev/null &&
+ type "_zsh_highlight_highlighter_${highlighter}_predicate" &> /dev/null;
+ then
+ # New (0.5.0) function names
+ elif type "_zsh_highlight_${highlighter}_highlighter" &> /dev/null &&
+ type "_zsh_highlight_${highlighter}_highlighter_predicate" &> /dev/null;
+ then
+ # Old (0.4.x) function names
+ if false; then
+ # TODO: only show this warning for plugin authors/maintainers, not for end users
+ print -r -- >&2 "zsh-syntax-highlighting: warning: ${(qq)highlighter} highlighter uses deprecated entry point names; please ask its maintainer to update it: https://github.com/zsh-users/zsh-syntax-highlighting/issues/329"
+ fi
+ # Make it work.
+ eval "_zsh_highlight_highlighter_${(q)highlighter}_paint() { _zsh_highlight_${(q)highlighter}_highlighter \"\$@\" }"
+ eval "_zsh_highlight_highlighter_${(q)highlighter}_predicate() { _zsh_highlight_${(q)highlighter}_highlighter_predicate \"\$@\" }"
+ else
+ print -r -- >&2 "zsh-syntax-highlighting: ${(qq)highlighter} highlighter should define both required functions '_zsh_highlight_highlighter_${highlighter}_paint' and '_zsh_highlight_highlighter_${highlighter}_predicate' in ${(qq):-"$highlighter_dir${highlighter}-highlighter.zsh"}."
+ fi
+ done
+}
+
+
+# -------------------------------------------------------------------------------------------------
+# Setup
+# -------------------------------------------------------------------------------------------------
+
+# Try binding widgets.
+_zsh_highlight_bind_widgets || {
+ print -r -- >&2 'zsh-syntax-highlighting: failed binding ZLE widgets, exiting.'
+ return 1
+}
+
+# Resolve highlighters directory location.
+_zsh_highlight_load_highlighters "${ZSH_HIGHLIGHT_HIGHLIGHTERS_DIR:-${${0:A}:h}/highlighters}" || {
+ print -r -- >&2 'zsh-syntax-highlighting: failed loading highlighters, exiting.'
+ return 1
+}
+
+# Reset scratch variables when commandline is done.
+_zsh_highlight_preexec_hook()
+{
+ typeset -g _ZSH_HIGHLIGHT_PRIOR_BUFFER=
+ typeset -gi _ZSH_HIGHLIGHT_PRIOR_CURSOR=
+}
+autoload -Uz add-zsh-hook
+add-zsh-hook preexec _zsh_highlight_preexec_hook 2>/dev/null || {
+ print -r -- >&2 'zsh-syntax-highlighting: failed loading add-zsh-hook.'
+ }
+
+# Load zsh/parameter module if available
+zmodload zsh/parameter 2>/dev/null || true
+
+# Initialize the array of active highlighters if needed.
+[[ $#ZSH_HIGHLIGHT_HIGHLIGHTERS -eq 0 ]] && ZSH_HIGHLIGHT_HIGHLIGHTERS=(main)
+
+if (( $+X_ZSH_HIGHLIGHT_DIRS_BLACKLIST )); then
+ print >&2 'zsh-syntax-highlighting: X_ZSH_HIGHLIGHT_DIRS_BLACKLIST is deprecated. Please use ZSH_HIGHLIGHT_DIRS_BLACKLIST.'
+ ZSH_HIGHLIGHT_DIRS_BLACKLIST=($X_ZSH_HIGHLIGHT_DIRS_BLACKLIST)
+ unset X_ZSH_HIGHLIGHT_DIRS_BLACKLIST
+fi
+
+# Restore the aliases we unned
+eval "$zsh_highlight__aliases"
+builtin unset zsh_highlight__aliases
+
+# Set $?.
+true