hexo/node_modules/prismjs/components/prism-perl.js

157 lines
4.1 KiB
JavaScript

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