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| /**
| * @param {string} value
| * @returns {RegExp}
| * */
|
| /**
| * @param {RegExp | string } re
| * @returns {string}
| */
| function source(re) {
| if (!re) return null;
| if (typeof re === "string") return re;
|
| return re.source;
| }
|
| /**
| * @param {...(RegExp | string) } args
| * @returns {string}
| */
| function concat(...args) {
| const joined = args.map((x) => source(x)).join("");
| return joined;
| }
|
| /*
| Language: Bash
| Author: vah <vahtenberg@gmail.com>
| Contributrors: Benjamin Pannell <contact@sierrasoftworks.com>
| Website: https://www.gnu.org/software/bash/
| Category: common
| */
|
| /** @type LanguageFn */
| function bash(hljs) {
| const VAR = {};
| const BRACED_VAR = {
| begin: /\$\{/,
| end:/\}/,
| contains: [
| "self",
| {
| begin: /:-/,
| contains: [ VAR ]
| } // default values
| ]
| };
| Object.assign(VAR,{
| className: 'variable',
| variants: [
| {begin: concat(/\$[\w\d#@][\w\d_]*/,
| // negative look-ahead tries to avoid matching patterns that are not
| // Perl at all like $ident$, @ident@, etc.
| `(?![\\w\\d])(?![$])`) },
| BRACED_VAR
| ]
| });
|
| const SUBST = {
| className: 'subst',
| begin: /\$\(/, end: /\)/,
| contains: [hljs.BACKSLASH_ESCAPE]
| };
| const HERE_DOC = {
| begin: /<<-?\s*(?=\w+)/,
| starts: {
| contains: [
| hljs.END_SAME_AS_BEGIN({
| begin: /(\w+)/,
| end: /(\w+)/,
| className: 'string'
| })
| ]
| }
| };
| const QUOTE_STRING = {
| className: 'string',
| begin: /"/, end: /"/,
| contains: [
| hljs.BACKSLASH_ESCAPE,
| VAR,
| SUBST
| ]
| };
| SUBST.contains.push(QUOTE_STRING);
| const ESCAPED_QUOTE = {
| className: '',
| begin: /\\"/
|
| };
| const APOS_STRING = {
| className: 'string',
| begin: /'/, end: /'/
| };
| const ARITHMETIC = {
| begin: /\$\(\(/,
| end: /\)\)/,
| contains: [
| { begin: /\d+#[0-9a-f]+/, className: "number" },
| hljs.NUMBER_MODE,
| VAR
| ]
| };
| const SH_LIKE_SHELLS = [
| "fish",
| "bash",
| "zsh",
| "sh",
| "csh",
| "ksh",
| "tcsh",
| "dash",
| "scsh",
| ];
| const KNOWN_SHEBANG = hljs.SHEBANG({
| binary: `(${SH_LIKE_SHELLS.join("|")})`,
| relevance: 10
| });
| const FUNCTION = {
| className: 'function',
| begin: /\w[\w\d_]*\s*\(\s*\)\s*\{/,
| returnBegin: true,
| contains: [hljs.inherit(hljs.TITLE_MODE, {begin: /\w[\w\d_]*/})],
| relevance: 0
| };
|
| return {
| name: 'Bash',
| aliases: ['sh', 'zsh'],
| keywords: {
| $pattern: /\b[a-z._-]+\b/,
| keyword:
| 'if then else elif fi for while in do done case esac function',
| literal:
| 'true false',
| built_in:
| // Shell built-ins
| // http://www.gnu.org/software/bash/manual/html_node/Shell-Builtin-Commands.html
| 'break cd continue eval exec exit export getopts hash pwd readonly return shift test times ' +
| 'trap umask unset ' +
| // Bash built-ins
| 'alias bind builtin caller command declare echo enable help let local logout mapfile printf ' +
| 'read readarray source type typeset ulimit unalias ' +
| // Shell modifiers
| 'set shopt ' +
| // Zsh built-ins
| 'autoload bg bindkey bye cap chdir clone comparguments compcall compctl compdescribe compfiles ' +
| 'compgroups compquote comptags comptry compvalues dirs disable disown echotc echoti emulate ' +
| 'fc fg float functions getcap getln history integer jobs kill limit log noglob popd print ' +
| 'pushd pushln rehash sched setcap setopt stat suspend ttyctl unfunction unhash unlimit ' +
| 'unsetopt vared wait whence where which zcompile zformat zftp zle zmodload zparseopts zprof ' +
| 'zpty zregexparse zsocket zstyle ztcp'
| },
| contains: [
| KNOWN_SHEBANG, // to catch known shells and boost relevancy
| hljs.SHEBANG(), // to catch unknown shells but still highlight the shebang
| FUNCTION,
| ARITHMETIC,
| hljs.HASH_COMMENT_MODE,
| HERE_DOC,
| QUOTE_STRING,
| ESCAPED_QUOTE,
| APOS_STRING,
| VAR
| ]
| };
| }
|
| module.exports = bash;
|
|
