1  /*! `bash` grammar compiled for Highlight.js 11.10.0 */
  2    (function(){
  3      var hljsGrammar = (function () {
  4    'use strict';
  5  
  6    /*
  7    Language: Bash
  8    Author: vah <vahtenberg@gmail.com>
  9    Contributrors: Benjamin Pannell <contact@sierrasoftworks.com>
 10    Website: https://www.gnu.org/software/bash/
 11    Category: common, scripting
 12    */
 13  
 14    /** @type LanguageFn */
 15    function bash(hljs) {
 16      const regex = hljs.regex;
 17      const VAR = {};
 18      const BRACED_VAR = {
 19        begin: /\$\{/,
 20        end: /\}/,
 21        contains: [
 22          "self",
 23          {
 24            begin: /:-/,
 25            contains: [ VAR ]
 26          } // default values
 27        ]
 28      };
 29      Object.assign(VAR, {
 30        className: 'variable',
 31        variants: [
 32          { begin: regex.concat(/\$[\w\d#@][\w\d_]*/,
 33            // negative look-ahead tries to avoid matching patterns that are not
 34            // Perl at all like $ident$, @ident@, etc.
 35            `(?![\\w\\d])(?![$])`) },
 36          BRACED_VAR
 37        ]
 38      });
 39  
 40      const SUBST = {
 41        className: 'subst',
 42        begin: /\$\(/,
 43        end: /\)/,
 44        contains: [ hljs.BACKSLASH_ESCAPE ]
 45      };
 46      const COMMENT = hljs.inherit(
 47        hljs.COMMENT(),
 48        {
 49          match: [
 50            /(^|\s)/,
 51            /#.*$/
 52          ],
 53          scope: {
 54            2: 'comment'
 55          }
 56        }
 57      );
 58      const HERE_DOC = {
 59        begin: /<<-?\s*(?=\w+)/,
 60        starts: { contains: [
 61          hljs.END_SAME_AS_BEGIN({
 62            begin: /(\w+)/,
 63            end: /(\w+)/,
 64            className: 'string'
 65          })
 66        ] }
 67      };
 68      const QUOTE_STRING = {
 69        className: 'string',
 70        begin: /"/,
 71        end: /"/,
 72        contains: [
 73          hljs.BACKSLASH_ESCAPE,
 74          VAR,
 75          SUBST
 76        ]
 77      };
 78      SUBST.contains.push(QUOTE_STRING);
 79      const ESCAPED_QUOTE = {
 80        match: /\\"/
 81      };
 82      const APOS_STRING = {
 83        className: 'string',
 84        begin: /'/,
 85        end: /'/
 86      };
 87      const ESCAPED_APOS = {
 88        match: /\\'/
 89      };
 90      const ARITHMETIC = {
 91        begin: /\$?\(\(/,
 92        end: /\)\)/,
 93        contains: [
 94          {
 95            begin: /\d+#[0-9a-f]+/,
 96            className: "number"
 97          },
 98          hljs.NUMBER_MODE,
 99          VAR
100        ]
101      };
102      const SH_LIKE_SHELLS = [
103        "fish",
104        "bash",
105        "zsh",
106        "sh",
107        "csh",
108        "ksh",
109        "tcsh",
110        "dash",
111        "scsh",
112      ];
113      const KNOWN_SHEBANG = hljs.SHEBANG({
114        binary: `(${SH_LIKE_SHELLS.join("|")})`,
115        relevance: 10
116      });
117      const FUNCTION = {
118        className: 'function',
119        begin: /\w[\w\d_]*\s*\(\s*\)\s*\{/,
120        returnBegin: true,
121        contains: [ hljs.inherit(hljs.TITLE_MODE, { begin: /\w[\w\d_]*/ }) ],
122        relevance: 0
123      };
124  
125      const KEYWORDS = [
126        "if",
127        "then",
128        "else",
129        "elif",
130        "fi",
131        "for",
132        "while",
133        "until",
134        "in",
135        "do",
136        "done",
137        "case",
138        "esac",
139        "function",
140        "select"
141      ];
142  
143      const LITERALS = [
144        "true",
145        "false"
146      ];
147  
148      // to consume paths to prevent keyword matches inside them
149      const PATH_MODE = { match: /(\/[a-z._-]+)+/ };
150  
151      // http://www.gnu.org/software/bash/manual/html_node/Shell-Builtin-Commands.html
152      const SHELL_BUILT_INS = [
153        "break",
154        "cd",
155        "continue",
156        "eval",
157        "exec",
158        "exit",
159        "export",
160        "getopts",
161        "hash",
162        "pwd",
163        "readonly",
164        "return",
165        "shift",
166        "test",
167        "times",
168        "trap",
169        "umask",
170        "unset"
171      ];
172  
173      const BASH_BUILT_INS = [
174        "alias",
175        "bind",
176        "builtin",
177        "caller",
178        "command",
179        "declare",
180        "echo",
181        "enable",
182        "help",
183        "let",
184        "local",
185        "logout",
186        "mapfile",
187        "printf",
188        "read",
189        "readarray",
190        "source",
191        "sudo",
192        "type",
193        "typeset",
194        "ulimit",
195        "unalias"
196      ];
197  
198      const ZSH_BUILT_INS = [
199        "autoload",
200        "bg",
201        "bindkey",
202        "bye",
203        "cap",
204        "chdir",
205        "clone",
206        "comparguments",
207        "compcall",
208        "compctl",
209        "compdescribe",
210        "compfiles",
211        "compgroups",
212        "compquote",
213        "comptags",
214        "comptry",
215        "compvalues",
216        "dirs",
217        "disable",
218        "disown",
219        "echotc",
220        "echoti",
221        "emulate",
222        "fc",
223        "fg",
224        "float",
225        "functions",
226        "getcap",
227        "getln",
228        "history",
229        "integer",
230        "jobs",
231        "kill",
232        "limit",
233        "log",
234        "noglob",
235        "popd",
236        "print",
237        "pushd",
238        "pushln",
239        "rehash",
240        "sched",
241        "setcap",
242        "setopt",
243        "stat",
244        "suspend",
245        "ttyctl",
246        "unfunction",
247        "unhash",
248        "unlimit",
249        "unsetopt",
250        "vared",
251        "wait",
252        "whence",
253        "where",
254        "which",
255        "zcompile",
256        "zformat",
257        "zftp",
258        "zle",
259        "zmodload",
260        "zparseopts",
261        "zprof",
262        "zpty",
263        "zregexparse",
264        "zsocket",
265        "zstyle",
266        "ztcp"
267      ];
268  
269      const GNU_CORE_UTILS = [
270        "chcon",
271        "chgrp",
272        "chown",
273        "chmod",
274        "cp",
275        "dd",
276        "df",
277        "dir",
278        "dircolors",
279        "ln",
280        "ls",
281        "mkdir",
282        "mkfifo",
283        "mknod",
284        "mktemp",
285        "mv",
286        "realpath",
287        "rm",
288        "rmdir",
289        "shred",
290        "sync",
291        "touch",
292        "truncate",
293        "vdir",
294        "b2sum",
295        "base32",
296        "base64",
297        "cat",
298        "cksum",
299        "comm",
300        "csplit",
301        "cut",
302        "expand",
303        "fmt",
304        "fold",
305        "head",
306        "join",
307        "md5sum",
308        "nl",
309        "numfmt",
310        "od",
311        "paste",
312        "ptx",
313        "pr",
314        "sha1sum",
315        "sha224sum",
316        "sha256sum",
317        "sha384sum",
318        "sha512sum",
319        "shuf",
320        "sort",
321        "split",
322        "sum",
323        "tac",
324        "tail",
325        "tr",
326        "tsort",
327        "unexpand",
328        "uniq",
329        "wc",
330        "arch",
331        "basename",
332        "chroot",
333        "date",
334        "dirname",
335        "du",
336        "echo",
337        "env",
338        "expr",
339        "factor",
340        // "false", // keyword literal already
341        "groups",
342        "hostid",
343        "id",
344        "link",
345        "logname",
346        "nice",
347        "nohup",
348        "nproc",
349        "pathchk",
350        "pinky",
351        "printenv",
352        "printf",
353        "pwd",
354        "readlink",
355        "runcon",
356        "seq",
357        "sleep",
358        "stat",
359        "stdbuf",
360        "stty",
361        "tee",
362        "test",
363        "timeout",
364        // "true", // keyword literal already
365        "tty",
366        "uname",
367        "unlink",
368        "uptime",
369        "users",
370        "who",
371        "whoami",
372        "yes"
373      ];
374  
375      return {
376        name: 'Bash',
377        aliases: [
378          'sh',
379          'zsh'
380        ],
381        keywords: {
382          $pattern: /\b[a-z][a-z0-9._-]+\b/,
383          keyword: KEYWORDS,
384          literal: LITERALS,
385          built_in: [
386            ...SHELL_BUILT_INS,
387            ...BASH_BUILT_INS,
388            // Shell modifiers
389            "set",
390            "shopt",
391            ...ZSH_BUILT_INS,
392            ...GNU_CORE_UTILS
393          ]
394        },
395        contains: [
396          KNOWN_SHEBANG, // to catch known shells and boost relevancy
397          hljs.SHEBANG(), // to catch unknown shells but still highlight the shebang
398          FUNCTION,
399          ARITHMETIC,
400          COMMENT,
401          HERE_DOC,
402          PATH_MODE,
403          QUOTE_STRING,
404          ESCAPED_QUOTE,
405          APOS_STRING,
406          ESCAPED_APOS,
407          VAR
408        ]
409      };
410    }
411  
412    return bash;
413  
414  })();
415  
416      hljs.registerLanguage('bash', hljsGrammar);
417    })();