157 lines
3.9 KiB
JavaScript
157 lines
3.9 KiB
JavaScript
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(function (Prism) {
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var brackets = /(?:\((?:[^()\\]|\\[\s\S])*\)|\{(?:[^{}\\]|\\[\s\S])*\}|\[(?:[^[\]\\]|\\[\s\S])*\]|<(?:[^<>\\]|\\[\s\S])*>)/.source;
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Prism.languages.perl = {
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'comment': [
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{
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// POD
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pattern: /(^\s*)=\w[\s\S]*?=cut.*/m,
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lookbehind: true,
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greedy: true
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},
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{
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pattern: /(^|[^\\$])#.*/,
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lookbehind: true,
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greedy: true
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}
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],
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// TODO Could be nice to handle Heredoc too.
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'string': [
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{
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pattern: RegExp(
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/\b(?:q|qq|qw|qx)(?![a-zA-Z0-9])\s*/.source +
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'(?:' +
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[
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// q/.../
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/([^a-zA-Z0-9\s{(\[<])(?:(?!\1)[^\\]|\\[\s\S])*\1/.source,
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// q a...a
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// eslint-disable-next-line regexp/strict
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/([a-zA-Z0-9])(?:(?!\2)[^\\]|\\[\s\S])*\2/.source,
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// q(...)
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// q{...}
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// q[...]
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// q<...>
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brackets,
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].join('|') +
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')'
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),
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greedy: true
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},
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// "...", `...`
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{
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pattern: /("|`)(?:(?!\1)[^\\]|\\[\s\S])*\1/,
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greedy: true
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},
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// '...'
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// FIXME Multi-line single-quoted strings are not supported as they would break variables containing '
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{
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pattern: /'(?:[^'\\\r\n]|\\.)*'/,
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greedy: true
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}
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],
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'regex': [
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{
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pattern: RegExp(
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/\b(?:m|qr)(?![a-zA-Z0-9])\s*/.source +
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'(?:' +
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[
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// m/.../
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/([^a-zA-Z0-9\s{(\[<])(?:(?!\1)[^\\]|\\[\s\S])*\1/.source,
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// m a...a
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// eslint-disable-next-line regexp/strict
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/([a-zA-Z0-9])(?:(?!\2)[^\\]|\\[\s\S])*\2/.source,
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// m(...)
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// m{...}
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// m[...]
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// m<...>
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brackets,
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].join('|') +
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')' +
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/[msixpodualngc]*/.source
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),
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greedy: true
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},
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// The lookbehinds prevent -s from breaking
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{
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pattern: RegExp(
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/(^|[^-])\b(?:s|tr|y)(?![a-zA-Z0-9])\s*/.source +
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'(?:' +
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[
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// s/.../.../
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// eslint-disable-next-line regexp/strict
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/([^a-zA-Z0-9\s{(\[<])(?:(?!\2)[^\\]|\\[\s\S])*\2(?:(?!\2)[^\\]|\\[\s\S])*\2/.source,
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// s a...a...a
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// eslint-disable-next-line regexp/strict
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/([a-zA-Z0-9])(?:(?!\3)[^\\]|\\[\s\S])*\3(?:(?!\3)[^\\]|\\[\s\S])*\3/.source,
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// s(...)(...)
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// s{...}{...}
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// s[...][...]
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// s<...><...>
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// s(...)[...]
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brackets + /\s*/.source + brackets,
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].join('|') +
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')' +
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/[msixpodualngcer]*/.source
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),
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lookbehind: true,
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greedy: true
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},
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// /.../
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// The look-ahead tries to prevent two divisions on
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// the same line from being highlighted as regex.
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// This does not support multi-line regex.
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{
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pattern: /\/(?:[^\/\\\r\n]|\\.)*\/[msixpodualngc]*(?=\s*(?:$|[\r\n,.;})&|\-+*~<>!?^]|(?:and|cmp|eq|ge|gt|le|lt|ne|not|or|x|xor)\b))/,
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greedy: true
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}
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],
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// FIXME Not sure about the handling of ::, ', and #
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'variable': [
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// ${^POSTMATCH}
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/[&*$@%]\{\^[A-Z]+\}/,
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// $^V
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/[&*$@%]\^[A-Z_]/,
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// ${...}
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/[&*$@%]#?(?=\{)/,
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// $foo
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/[&*$@%]#?(?:(?:::)*'?(?!\d)[\w$]+(?![\w$]))+(?:::)*/,
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// $1
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/[&*$@%]\d+/,
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// $_, @_, %!
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// The negative lookahead prevents from breaking the %= operator
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/(?!%=)[$@%][!"#$%&'()*+,\-.\/:;<=>?@[\\\]^_`{|}~]/
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],
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'filehandle': {
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// <>, <FOO>, _
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pattern: /<(?![<=])\S*?>|\b_\b/,
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alias: 'symbol'
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},
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'v-string': {
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// v1.2, 1.2.3
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pattern: /v\d+(?:\.\d+)*|\d+(?:\.\d+){2,}/,
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alias: 'string'
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},
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'function': {
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pattern: /(\bsub[ \t]+)\w+/,
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lookbehind: true
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},
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'keyword': /\b(?:any|break|continue|default|delete|die|do|else|elsif|eval|for|foreach|given|goto|if|last|local|my|next|our|package|print|redo|require|return|say|state|sub|switch|undef|unless|until|use|when|while)\b/,
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'number': /\b(?:0x[\dA-Fa-f](?:_?[\dA-Fa-f])*|0b[01](?:_?[01])*|(?:(?:\d(?:_?\d)*)?\.)?\d(?:_?\d)*(?:[Ee][+-]?\d+)?)\b/,
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'operator': /-[rwxoRWXOezsfdlpSbctugkTBMAC]\b|\+[+=]?|-[-=>]?|\*\*?=?|\/\/?=?|=[=~>]?|~[~=]?|\|\|?=?|&&?=?|<(?:=>?|<=?)?|>>?=?|![~=]?|[%^]=?|\.(?:=|\.\.?)?|[\\?]|\bx(?:=|\b)|\b(?:and|cmp|eq|ge|gt|le|lt|ne|not|or|xor)\b/,
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'punctuation': /[{}[\];(),:]/
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};
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}(Prism));
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