Hash :
2f39de97
Author :
Date :
2019-06-14T15:38:43
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Prism.languages.perl = {
'comment': [
{
// POD
pattern: /(^\s*)=\w+[\s\S]*?=cut.*/m,
lookbehind: true
},
{
pattern: /(^|[^\\$])#.*/,
lookbehind: true
}
],
// TODO Could be nice to handle Heredoc too.
'string': [
// q/.../
{
pattern: /\b(?:q|qq|qx|qw)\s*([^a-zA-Z0-9\s{(\[<])(?:(?!\1)[^\\]|\\[\s\S])*\1/,
greedy: true
},
// q a...a
{
pattern: /\b(?:q|qq|qx|qw)\s+([a-zA-Z0-9])(?:(?!\1)[^\\]|\\[\s\S])*\1/,
greedy: true
},
// q(...)
{
pattern: /\b(?:q|qq|qx|qw)\s*\((?:[^()\\]|\\[\s\S])*\)/,
greedy: true
},
// q{...}
{
pattern: /\b(?:q|qq|qx|qw)\s*\{(?:[^{}\\]|\\[\s\S])*\}/,
greedy: true
},
// q[...]
{
pattern: /\b(?:q|qq|qx|qw)\s*\[(?:[^[\]\\]|\\[\s\S])*\]/,
greedy: true
},
// q<...>
{
pattern: /\b(?:q|qq|qx|qw)\s*<(?:[^<>\\]|\\[\s\S])*>/,
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': [
// m/.../
{
pattern: /\b(?:m|qr)\s*([^a-zA-Z0-9\s{(\[<])(?:(?!\1)[^\\]|\\[\s\S])*\1[msixpodualngc]*/,
greedy: true
},
// m a...a
{
pattern: /\b(?:m|qr)\s+([a-zA-Z0-9])(?:(?!\1)[^\\]|\\[\s\S])*\1[msixpodualngc]*/,
greedy: true
},
// m(...)
{
pattern: /\b(?:m|qr)\s*\((?:[^()\\]|\\[\s\S])*\)[msixpodualngc]*/,
greedy: true
},
// m{...}
{
pattern: /\b(?:m|qr)\s*\{(?:[^{}\\]|\\[\s\S])*\}[msixpodualngc]*/,
greedy: true
},
// m[...]
{
pattern: /\b(?:m|qr)\s*\[(?:[^[\]\\]|\\[\s\S])*\][msixpodualngc]*/,
greedy: true
},
// m<...>
{
pattern: /\b(?:m|qr)\s*<(?:[^<>\\]|\\[\s\S])*>[msixpodualngc]*/,
greedy: true
},
// The lookbehinds prevent -s from breaking
// FIXME We don't handle change of separator like s(...)[...]
// s/.../.../
{
pattern: /(^|[^-]\b)(?:s|tr|y)\s*([^a-zA-Z0-9\s{(\[<])(?:(?!\2)[^\\]|\\[\s\S])*\2(?:(?!\2)[^\\]|\\[\s\S])*\2[msixpodualngcer]*/,
lookbehind: true,
greedy: true
},
// s a...a...a
{
pattern: /(^|[^-]\b)(?:s|tr|y)\s+([a-zA-Z0-9])(?:(?!\2)[^\\]|\\[\s\S])*\2(?:(?!\2)[^\\]|\\[\s\S])*\2[msixpodualngcer]*/,
lookbehind: true,
greedy: true
},
// s(...)(...)
{
pattern: /(^|[^-]\b)(?:s|tr|y)\s*\((?:[^()\\]|\\[\s\S])*\)\s*\((?:[^()\\]|\\[\s\S])*\)[msixpodualngcer]*/,
lookbehind: true,
greedy: true
},
// s{...}{...}
{
pattern: /(^|[^-]\b)(?:s|tr|y)\s*\{(?:[^{}\\]|\\[\s\S])*\}\s*\{(?:[^{}\\]|\\[\s\S])*\}[msixpodualngcer]*/,
lookbehind: true,
greedy: true
},
// s[...][...]
{
pattern: /(^|[^-]\b)(?:s|tr|y)\s*\[(?:[^[\]\\]|\\[\s\S])*\]\s*\[(?:[^[\]\\]|\\[\s\S])*\][msixpodualngcer]*/,
lookbehind: true,
greedy: true
},
// s<...><...>
{
pattern: /(^|[^-]\b)(?:s|tr|y)\s*<(?:[^<>\\]|\\[\s\S])*>\s*<(?:[^<>\\]|\\[\s\S])*>[msixpodualngcer]*/,
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,.;})&|\-+*~<>!?^]|(lt|gt|le|ge|eq|ne|cmp|not|and|or|xor|x)\b))/,
greedy: true
}
],
// FIXME Not sure about the handling of ::, ', and #
'variable': [
// ${^POSTMATCH}
/[&*$@%]\{\^[A-Z]+\}/,
// $^V
/[&*$@%]\^[A-Z_]/,
// ${...}
/[&*$@%]#?(?=\{)/,
// $foo
/[&*$@%]#?(?:(?:::)*'?(?!\d)[\w$]+)+(?:::)*/i,
// $1
/[&*$@%]\d+/,
// $_, @_, %!
// The negative lookahead prevents from breaking the %= operator
/(?!%=)[$@%][!"#$%&'()*+,\-.\/:;<=>?@[\\\]^_`{|}~]/
],
'filehandle': {
// <>, <FOO>, _
pattern: /<(?![<=])\S*>|\b_\b/,
alias: 'symbol'
},
'vstring': {
// v1.2, 1.2.3
pattern: /v\d+(?:\.\d+)*|\d+(?:\.\d+){2,}/,
alias: 'string'
},
'function': {
pattern: /sub [a-z0-9_]+/i,
inside: {
keyword: /sub/
}
},
'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(?:lt|gt|le|ge|eq|ne|cmp|not|and|or|xor)\b/,
'punctuation': /[{}[\];(),:]/
};