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'shmwrite',\n 'shutdown',\n 'sin',\n 'sleep',\n 'socket',\n 'socketpair',\n 'sort',\n 'splice',\n 'split',\n 'sprintf',\n 'sqrt',\n 'srand',\n 'stat',\n 'state',\n 'study',\n 'sub',\n 'substr',\n 'symlink',\n 'syscall',\n 'sysopen',\n 'sysread',\n 'sysseek',\n 'system',\n 'syswrite',\n 'tell',\n 'telldir',\n 'tie',\n 'tied',\n 'time',\n 'times',\n 'tr',\n 'truncate',\n 'uc',\n 'ucfirst',\n 'umask',\n 'undef',\n 'unless',\n 'unlink',\n 'unpack',\n 'unshift',\n 'untie',\n 'until',\n 'use',\n 'utime',\n 'values',\n 'vec',\n 'wait',\n 'waitpid',\n 'wantarray',\n 'warn',\n 'when',\n 'while',\n 'write',\n 'x|0',\n 'xor',\n 'y|0'\n ];\n\n // https://perldoc.perl.org/perlre#Modifiers\n const REGEX_MODIFIERS = /[dualxmsipngr]{0,12}/; // aa and xx are valid, making max length 12\n const PERL_KEYWORDS = {\n $pattern: /[\\w.]+/,\n keyword: KEYWORDS.join(\" \")\n };\n const SUBST = {\n className: 'subst',\n begin: '[$@]\\\\{',\n end: '\\\\}',\n keywords: PERL_KEYWORDS\n };\n const METHOD = {\n begin: /->\\{/,\n end: /\\}/\n // contains defined later\n };\n const VAR = {\n variants: [\n {\n begin: /\\$\\d/\n },\n {\n begin: concat(\n /[$%@](\\^\\w\\b|#\\w+(::\\w+)*|\\{\\w+\\}|\\w+(::\\w*)*)/,\n // negative look-ahead tries to avoid matching patterns that are not\n // Perl at all like $ident$, @ident@, etc.\n `(?![A-Za-z])(?![@$%])`\n )\n },\n {\n begin: /[$%@][^\\s\\w{]/,\n relevance: 0\n }\n ]\n };\n const STRING_CONTAINS = [\n hljs.BACKSLASH_ESCAPE,\n SUBST,\n VAR\n ];\n const REGEX_DELIMS = [\n /!/,\n /\\//,\n /\\|/,\n /\\?/,\n /'/,\n /\"/, // valid but infrequent and weird\n /#/ // valid but infrequent and weird\n ];\n /**\n * @param {string|RegExp} prefix\n * @param {string|RegExp} open\n * @param {string|RegExp} close\n */\n const PAIRED_DOUBLE_RE = (prefix, open, close = '\\\\1') => {\n const middle = (close === '\\\\1')\n ? close\n : concat(close, open);\n return concat(\n concat(\"(?:\", prefix, \")\"),\n open,\n /(?:\\\\.|[^\\\\\\/])*?/,\n middle,\n /(?:\\\\.|[^\\\\\\/])*?/,\n close,\n REGEX_MODIFIERS\n );\n };\n /**\n * @param {string|RegExp} prefix\n * @param {string|RegExp} open\n * @param {string|RegExp} close\n */\n const PAIRED_RE = (prefix, open, close) => {\n return concat(\n concat(\"(?:\", prefix, \")\"),\n open,\n /(?:\\\\.|[^\\\\\\/])*?/,\n close,\n REGEX_MODIFIERS\n );\n };\n const PERL_DEFAULT_CONTAINS = [\n VAR,\n hljs.HASH_COMMENT_MODE,\n hljs.COMMENT(\n /^=\\w/,\n /=cut/,\n {\n endsWithParent: true\n }\n ),\n METHOD,\n {\n className: 'string',\n contains: STRING_CONTAINS,\n variants: [\n {\n begin: 'q[qwxr]?\\\\s*\\\\(',\n end: '\\\\)',\n relevance: 5\n },\n {\n begin: 'q[qwxr]?\\\\s*\\\\[',\n end: '\\\\]',\n relevance: 5\n },\n {\n begin: 'q[qwxr]?\\\\s*\\\\{',\n end: '\\\\}',\n relevance: 5\n },\n {\n begin: 'q[qwxr]?\\\\s*\\\\|',\n end: '\\\\|',\n relevance: 5\n },\n {\n begin: 'q[qwxr]?\\\\s*<',\n end: '>',\n relevance: 5\n },\n {\n begin: 'qw\\\\s+q',\n end: 'q',\n relevance: 5\n },\n {\n begin: '\\'',\n end: '\\'',\n contains: [ hljs.BACKSLASH_ESCAPE ]\n },\n {\n begin: '\"',\n end: '\"'\n },\n {\n begin: '`',\n end: '`',\n contains: [ hljs.BACKSLASH_ESCAPE ]\n },\n {\n begin: /\\{\\w+\\}/,\n relevance: 0\n },\n {\n begin: '-?\\\\w+\\\\s*=>',\n relevance: 0\n }\n ]\n },\n {\n className: 'number',\n begin: '(\\\\b0[0-7_]+)|(\\\\b0x[0-9a-fA-F_]+)|(\\\\b[1-9][0-9_]*(\\\\.[0-9_]+)?)|[0_]\\\\b',\n relevance: 0\n },\n { // regexp container\n begin: '(\\\\/\\\\/|' + hljs.RE_STARTERS_RE + '|\\\\b(split|return|print|reverse|grep)\\\\b)\\\\s*',\n keywords: 'split return print reverse grep',\n relevance: 0,\n contains: [\n hljs.HASH_COMMENT_MODE,\n {\n className: 'regexp',\n variants: [\n // allow matching common delimiters\n { begin: PAIRED_DOUBLE_RE(\"s|tr|y\", either(...REGEX_DELIMS)) },\n // and then paired delmis\n { begin: PAIRED_DOUBLE_RE(\"s|tr|y\", \"\\\\(\", \"\\\\)\") },\n { begin: PAIRED_DOUBLE_RE(\"s|tr|y\", \"\\\\[\", \"\\\\]\") },\n { begin: PAIRED_DOUBLE_RE(\"s|tr|y\", \"\\\\{\", \"\\\\}\") }\n ],\n relevance: 2\n },\n {\n className: 'regexp',\n variants: [\n {\n // could be a comment in many languages so do not count\n // as relevant\n begin: /(m|qr)\\/\\//,\n relevance: 0\n },\n // prefix is optional with /regex/\n { begin: PAIRED_RE(\"(?:m|qr)?\", /\\//, /\\//)},\n // allow matching common delimiters\n { begin: PAIRED_RE(\"m|qr\", either(...REGEX_DELIMS), /\\1/)},\n // allow common paired delmins\n { begin: PAIRED_RE(\"m|qr\", /\\(/, /\\)/)},\n { begin: PAIRED_RE(\"m|qr\", /\\[/, /\\]/)},\n { begin: PAIRED_RE(\"m|qr\", /\\{/, /\\}/)}\n ]\n }\n ]\n },\n {\n className: 'function',\n beginKeywords: 'sub',\n end: '(\\\\s*\\\\(.*?\\\\))?[;{]',\n excludeEnd: true,\n relevance: 5,\n contains: [ hljs.TITLE_MODE ]\n },\n {\n begin: '-\\\\w\\\\b',\n relevance: 0\n },\n {\n begin: \"^__DATA__$\",\n end: \"^__END__$\",\n subLanguage: 'mojolicious',\n contains: [\n {\n begin: \"^@@.*\",\n end: \"$\",\n className: \"comment\"\n }\n ]\n }\n ];\n SUBST.contains = PERL_DEFAULT_CONTAINS;\n METHOD.contains = PERL_DEFAULT_CONTAINS;\n\n return {\n name: 'Perl',\n aliases: [\n 'pl',\n 'pm'\n ],\n keywords: PERL_KEYWORDS,\n contains: PERL_DEFAULT_CONTAINS\n };\n}\n\nmodule.exports = perl;\n"],"sourceRoot":""}
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