213 lines
8.2 KiB
JavaScript
213 lines
8.2 KiB
JavaScript
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(function(Prism) {
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// $ set | grep '^[A-Z][^[:space:]]*=' | cut -d= -f1 | tr '\n' '|'
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// + LC_ALL, RANDOM, REPLY, SECONDS.
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// + make sure PS1..4 are here as they are not always set,
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// - some useless things.
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var envVars = '\\b(?:BASH|BASHOPTS|BASH_ALIASES|BASH_ARGC|BASH_ARGV|BASH_CMDS|BASH_COMPLETION_COMPAT_DIR|BASH_LINENO|BASH_REMATCH|BASH_SOURCE|BASH_VERSINFO|BASH_VERSION|COLORTERM|COLUMNS|COMP_WORDBREAKS|DBUS_SESSION_BUS_ADDRESS|DEFAULTS_PATH|DESKTOP_SESSION|DIRSTACK|DISPLAY|EUID|GDMSESSION|GDM_LANG|GNOME_KEYRING_CONTROL|GNOME_KEYRING_PID|GPG_AGENT_INFO|GROUPS|HISTCONTROL|HISTFILE|HISTFILESIZE|HISTSIZE|HOME|HOSTNAME|HOSTTYPE|IFS|INSTANCE|JOB|LANG|LANGUAGE|LC_ADDRESS|LC_ALL|LC_IDENTIFICATION|LC_MEASUREMENT|LC_MONETARY|LC_NAME|LC_NUMERIC|LC_PAPER|LC_TELEPHONE|LC_TIME|LESSCLOSE|LESSOPEN|LINES|LOGNAME|LS_COLORS|MACHTYPE|MAILCHECK|MANDATORY_PATH|NO_AT_BRIDGE|OLDPWD|OPTERR|OPTIND|ORBIT_SOCKETDIR|OSTYPE|PAPERSIZE|PATH|PIPESTATUS|PPID|PS1|PS2|PS3|PS4|PWD|RANDOM|REPLY|SECONDS|SELINUX_INIT|SESSION|SESSIONTYPE|SESSION_MANAGER|SHELL|SHELLOPTS|SHLVL|SSH_AUTH_SOCK|TERM|UID|UPSTART_EVENTS|UPSTART_INSTANCE|UPSTART_JOB|UPSTART_SESSION|USER|WINDOWID|XAUTHORITY|XDG_CONFIG_DIRS|XDG_CURRENT_DESKTOP|XDG_DATA_DIRS|XDG_GREETER_DATA_DIR|XDG_MENU_PREFIX|XDG_RUNTIME_DIR|XDG_SEAT|XDG_SEAT_PATH|XDG_SESSION_DESKTOP|XDG_SESSION_ID|XDG_SESSION_PATH|XDG_SESSION_TYPE|XDG_VTNR|XMODIFIERS)\\b';
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var commandAfterHeredoc = {
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pattern: /(^(["']?)\w+\2)[ \t]+\S.*/,
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lookbehind: true,
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alias: 'punctuation', // this looks reasonably well in all themes
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inside: null // see below
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};
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var insideString = {
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'bash': commandAfterHeredoc,
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'environment': {
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pattern: RegExp("\\$" + envVars),
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alias: 'constant'
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},
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'variable': [
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// [0]: Arithmetic Environment
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{
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pattern: /\$?\(\([\s\S]+?\)\)/,
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greedy: true,
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inside: {
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// If there is a $ sign at the beginning highlight $(( and )) as variable
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'variable': [
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{
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pattern: /(^\$\(\([\s\S]+)\)\)/,
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lookbehind: true
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},
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/^\$\(\(/
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],
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'number': /\b0x[\dA-Fa-f]+\b|(?:\b\d+(?:\.\d*)?|\B\.\d+)(?:[Ee]-?\d+)?/,
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// Operators according to https://www.gnu.org/software/bash/manual/bashref.html#Shell-Arithmetic
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'operator': /--?|-=|\+\+?|\+=|!=?|~|\*\*?|\*=|\/=?|%=?|<<=?|>>=?|<=?|>=?|==?|&&?|&=|\^=?|\|\|?|\|=|\?|:/,
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// If there is no $ sign at the beginning highlight (( and )) as punctuation
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'punctuation': /\(\(?|\)\)?|,|;/
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}
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},
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// [1]: Command Substitution
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{
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pattern: /\$\((?:\([^)]+\)|[^()])+\)|`[^`]+`/,
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greedy: true,
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inside: {
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'variable': /^\$\(|^`|\)$|`$/
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}
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},
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// [2]: Brace expansion
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{
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pattern: /\$\{[^}]+\}/,
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greedy: true,
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inside: {
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'operator': /:[-=?+]?|[!\/]|##?|%%?|\^\^?|,,?/,
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'punctuation': /[\[\]]/,
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'environment': {
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pattern: RegExp("(\\{)" + envVars),
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lookbehind: true,
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alias: 'constant'
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}
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}
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},
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/\$(?:\w+|[#?*!@$])/
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],
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// Escape sequences from echo and printf's manuals, and escaped quotes.
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'entity': /\\(?:[abceEfnrtv\\"]|O?[0-7]{1,3}|x[0-9a-fA-F]{1,2}|u[0-9a-fA-F]{4}|U[0-9a-fA-F]{8})/
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};
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Prism.languages.bash = {
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'shebang': {
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pattern: /^#!\s*\/.*/,
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alias: 'important'
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},
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'comment': {
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pattern: /(^|[^"{\\$])#.*/,
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lookbehind: true
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},
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'function-name': [
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// a) function foo {
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// b) foo() {
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// c) function foo() {
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// but not “foo {”
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{
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// a) and c)
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pattern: /(\bfunction\s+)\w+(?=(?:\s*\(?:\s*\))?\s*\{)/,
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lookbehind: true,
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alias: 'function'
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},
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{
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// b)
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pattern: /\b\w+(?=\s*\(\s*\)\s*\{)/,
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alias: 'function'
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}
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],
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// Highlight variable names as variables in for and select beginnings.
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'for-or-select': {
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pattern: /(\b(?:for|select)\s+)\w+(?=\s+in\s)/,
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alias: 'variable',
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lookbehind: true
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},
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// Highlight variable names as variables in the left-hand part
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// of assignments (“=” and “+=”).
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'assign-left': {
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pattern: /(^|[\s;|&]|[<>]\()\w+(?=\+?=)/,
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inside: {
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'environment': {
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pattern: RegExp("(^|[\\s;|&]|[<>]\\()" + envVars),
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lookbehind: true,
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alias: 'constant'
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}
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},
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alias: 'variable',
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lookbehind: true
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},
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'string': [
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// Support for Here-documents https://en.wikipedia.org/wiki/Here_document
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{
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pattern: /((?:^|[^<])<<-?\s*)(\w+?)\s[\s\S]*?(?:\r?\n|\r)\2/,
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lookbehind: true,
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greedy: true,
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inside: insideString
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},
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// Here-document with quotes around the tag
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// → No expansion (so no “inside”).
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{
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pattern: /((?:^|[^<])<<-?\s*)(["'])(\w+)\2\s[\s\S]*?(?:\r?\n|\r)\3/,
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lookbehind: true,
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greedy: true,
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inside: {
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'bash': commandAfterHeredoc
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}
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},
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// “Normal” string
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{
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pattern: /(^|[^\\](?:\\\\)*)(["'])(?:\\[\s\S]|\$\([^)]+\)|\$(?!\()|`[^`]+`|(?!\2)[^\\`$])*\2/,
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lookbehind: true,
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greedy: true,
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inside: insideString
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}
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],
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'environment': {
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pattern: RegExp("\\$?" + envVars),
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alias: 'constant'
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},
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'variable': insideString.variable,
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'function': {
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pattern: /(^|[\s;|&]|[<>]\()(?:add|apropos|apt|aptitude|apt-cache|apt-get|aspell|automysqlbackup|awk|basename|bash|bc|bconsole|bg|bzip2|cal|cat|cfdisk|chgrp|chkconfig|chmod|chown|chroot|cksum|clear|cmp|column|comm|composer|cp|cron|crontab|csplit|curl|cut|date|dc|dd|ddrescue|debootstrap|df|diff|diff3|dig|dir|dircolors|dirname|dirs|dmesg|du|egrep|eject|env|ethtool|expand|expect|expr|fdformat|fdisk|fg|fgrep|file|find|fmt|fold|format|free|fsck|ftp|fuser|gawk|git|gparted|grep|groupadd|groupdel|groupmod|groups|grub-mkconfig|gzip|halt|head|hg|history|host|hostname|htop|iconv|id|ifconfig|ifdown|ifup|import|install|ip|jobs|join|kill|killall|less|link|ln|locate|logname|logrotate|look|lpc|lpr|lprint|lprintd|lprintq|lprm|ls|lsof|lynx|make|man|mc|mdadm|mkconfig|mkdir|mke2fs|mkfifo|mkfs|mkisofs|mknod|mkswap|mmv|more|most|mount|mtools|mtr|mutt|mv|nano|nc|netstat|nice|nl|nohup|notify-send|npm|nslookup|op|open|parted|passwd|paste|pathchk|ping|pkill|pnpm|popd|pr|printcap|printenv|ps|pushd|pv|quota|quotacheck|quotactl|ram|rar|rcp|reboot|remsync|rename|renice|rev|rm|rmdir|rpm|rsync|scp|screen|sdiff|sed|sendmail|seq|service|sftp|sh|shellcheck|shuf|shutdown|sleep|slocate|sort|split|ssh|stat|strace|su|sudo|sum|suspend|swapon|sync|tac|tail|tar|tee|time|timeout|top|touch|tr|traceroute|tsort|tty|umount|uname|unexpand|uniq|units|unrar|unshar|unzip|update-grub|uptime|useradd|userdel|usermod|users|uudecode|uuencode|v|vdir|vi|vim|virsh|vmstat|wait|watch|wc|wget|whereis|which|who|whoami|write|xargs|xdg-open|yarn|yes|zenity|zip|zsh|zypper)(?=$|[)\s;|&])/,
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lookbehind: true
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},
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'keyword': {
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pattern: /(^|[\s;|&]|[<>]\()(?:if|then|else|elif|fi|for|while|in|case|esac|function|select|do|done|until)(?=$|[)\s;|&])/,
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lookbehind: true
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},
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// https://www.gnu.org/software/bash/manual/html_node/Shell-Builtin-Commands.html
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'builtin': {
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pattern: /(^|[\s;|&]|[<>]\()(?:\.|:|break|cd|continue|eval|exec|exit|export|getopts|hash|pwd|readonly|return|shift|test|times|trap|umask|unset|alias|bind|builtin|caller|command|declare|echo|enable|help|let|local|logout|mapfile|printf|read|readarray|source|type|typeset|ulimit|unalias|set|shopt)(?=$|[)\s;|&])/,
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lookbehind: true,
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// Alias added to make those easier to distinguish from strings.
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alias: 'class-name'
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},
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'boolean': {
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pattern: /(^|[\s;|&]|[<>]\()(?:true|false)(?=$|[)\s;|&])/,
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lookbehind: true
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},
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'file-descriptor': {
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pattern: /\B&\d\b/,
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alias: 'important'
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},
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'operator': {
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// Lots of redirections here, but not just that.
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pattern: /\d?<>|>\||\+=|==?|!=?|=~|<<[<-]?|[&\d]?>>|\d?[<>]&?|&[>&]?|\|[&|]?|<=?|>=?/,
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inside: {
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'file-descriptor': {
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pattern: /^\d/,
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alias: 'important'
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}
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}
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},
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'punctuation': /\$?\(\(?|\)\)?|\.\.|[{}[\];\\]/,
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'number': {
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pattern: /(^|\s)(?:[1-9]\d*|0)(?:[.,]\d+)?\b/,
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lookbehind: true
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}
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};
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commandAfterHeredoc.inside = Prism.languages.bash;
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/* Patterns in command substitution. */
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var toBeCopied = [
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'comment',
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'function-name',
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'for-or-select',
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'assign-left',
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'string',
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'environment',
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'function',
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'keyword',
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'builtin',
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'boolean',
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'file-descriptor',
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'operator',
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'punctuation',
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'number'
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];
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var inside = insideString.variable[1].inside;
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for(var i = 0; i < toBeCopied.length; i++) {
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inside[toBeCopied[i]] = Prism.languages.bash[toBeCopied[i]];
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}
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Prism.languages.shell = Prism.languages.bash;
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})(Prism);
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