From d284c594d92dafac1b578dae523f9454d50bce75 Mon Sep 17 00:00:00 2001 From: Tovi Jaeschke-Rogers Date: Sun, 13 Jun 2021 10:44:42 +0930 Subject: [PATCH] Add zsh-syntax-highlighting.zsh --- .zsh/fsh | 1 - .zsh/fsh/zsh-syntax-highlighting.zsh | 597 +++++++++++++++++++++++++++ 2 files changed, 597 insertions(+), 1 deletion(-) delete mode 160000 .zsh/fsh create mode 100644 .zsh/fsh/zsh-syntax-highlighting.zsh diff --git a/.zsh/fsh b/.zsh/fsh deleted file mode 160000 index be2f385..0000000 --- a/.zsh/fsh +++ /dev/null @@ -1 +0,0 @@ -Subproject commit be2f385453670c18c40320a7384333f98fcd9f79 diff --git a/.zsh/fsh/zsh-syntax-highlighting.zsh b/.zsh/fsh/zsh-syntax-highlighting.zsh new file mode 100644 index 0000000..d20dc5b --- /dev/null +++ b/.zsh/fsh/zsh-syntax-highlighting.zsh @@ -0,0 +1,597 @@ +# ------------------------------------------------------------------------------------------------- +# 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 a function has been marked for autoloading +# but is not available in $fpath, then this function will return False therefor. +# +# 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 5.8.0.3 and newer the memo= feature is available. + # + # On zsh version 5.8.0.2 between the aforementioned commit and the + # first Config/version.mk bump after it (which, at the time of writing, + # is yet to come), this condition will false negative. + if is-at-least 5.8.0.3 $ZSH_VERSION.0.0; then + integer -gr zsh_highlight__memo_feature=1 + else + integer -gr zsh_highlight__memo_feature=0 + fi + ;; + esac + region_highlight[-1]=() + } + + # Reset region_highlight to build it from scratch + if (( zsh_highlight__memo_feature )); then + region_highlight=( "${(@)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). + [[ $PENDING -gt 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. (The use of 5.8.0.2 +# rather than 5.8.0.3 as in the _zsh_highlight is deliberate.) +if is-at-least 5.8.0.2 $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 ${(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