syntax "fish" "\.fish$"
header "^#!.*/(env +)?fish( |$)"

# Numbers
color constant "\b[0-9]+\b"

# Conditionals and control flow
color statement "\b(and|begin|break|case|continue|else|end|for|function|if|in|not|or|return|select|shift|switch|while)\b"
color special "(\{|\}|\(|\)|\;|\]|\[|`|\\|\$|<|>|^|!|=|&|\|)"

# Fish commands
color type "\b(bg|bind|block|breakpoint|builtin|cd|count|command|commandline|complete|dirh|dirs|echo|emit|eval|exec|exit|fg|fish|fish_config|fish_ident|fish_pager|fish_prompt|fish_right_prompt|fish_update_completions|fishd|funced|funcsave|functions|help|history|jobs|math|mimedb|nextd|open|popd|prevd|psub|pushd|pwd|random|read|set|set_color|source|status|string|trap|type|ulimit|umask|vared)\b"

# Common linux commands
color type "\b((g|ig)?awk|bash|dash|find|\w{0,4}grep|kill|killall|\w{0,4}less|make|pkill|sed|sh|tar)\b"

# Coreutils commands
color type "\b(base64|basename|cat|chcon|chgrp|chmod|chown|chroot|cksum|comm|cp|csplit|cut|date|dd|df|dir|dircolors|dirname|du|env|expand|expr|factor|false|fmt|fold|head|hostid|id|install|join|link|ln|logname|ls|md5sum|mkdir|mkfifo|mknod|mktemp|mv|nice|nl|nohup|nproc|numfmt|od|paste|pathchk|pinky|pr|printenv|printf|ptx|pwd|readlink|realpath|rm|rmdir|runcon|seq|(sha1|sha224|sha256|sha384|sha512)sum|shred|shuf|sleep|sort|split|stat|stdbuf|stty|sum|sync|tac|tail|tee|test|time|timeout|touch|tr|true|truncate|tsort|tty|uname|unexpand|uniq|unlink|users|vdir|wc|who|whoami|yes)\b"

# Conditional flags
color statement "--[a-z-]+"
color statement "\ -[a-z]+"

# Strings
color constant.string ""(\\.|[^"])*""
color constant.string "'(\\.|[^'])*'"
color special """
color special "'"

# Variables
color identifier (i) "\$\{?[0-9A-Z_!@#$*?-]+\}?"

# Comments & TODOs
color comment "(^|[[:space:]])#.*$"
color todo "(TODO|XXX|FIXME):?"