kmx.io/prism.js/components/prism-crystal.js

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• Hash : 51e3ecc0
  Author :
  Date : 2021-11-22T13:32:31
  

  Crystal: Improved tokenization (#3194)

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• components/prism-crystal.js

• (function (Prism) {
  	Prism.languages.crystal = Prism.languages.extend('ruby', {
  		'keyword': [
  			/\b(?:__DIR__|__END_LINE__|__FILE__|__LINE__|abstract|alias|annotation|as|asm|begin|break|case|class|def|do|else|elsif|end|ensure|enum|extend|for|fun|if|ifdef|include|instance_sizeof|lib|macro|module|next|of|out|pointerof|private|protected|ptr|require|rescue|return|select|self|sizeof|struct|super|then|type|typeof|undef|uninitialized|union|unless|until|when|while|with|yield)\b/,
  			{
  				pattern: /(\.\s*)(?:is_a|responds_to)\?/,
  				lookbehind: true
  			}
  		],
  		'number': /\b(?:0b[01_]*[01]|0o[0-7_]*[0-7]|0x[\da-fA-F_]*[\da-fA-F]|(?:\d(?:[\d_]*\d)?)(?:\.[\d_]*\d)?(?:[eE][+-]?[\d_]*\d)?)(?:_(?:[uif](?:8|16|32|64))?)?\b/,
  		'operator': [
  			/->/,
  			Prism.languages.ruby.operator,
  		],
  		'punctuation': /[(){}[\].,;\\]/,
  	});
  
  	Prism.languages.insertBefore('crystal', 'string-literal', {
  		'attribute': {
  			pattern: /@\[.*?\]/,
  			inside: {
  				'delimiter': {
  					pattern: /^@\[|\]$/,
  					alias: 'punctuation'
  				},
  				'attribute': {
  					pattern: /^(\s*)\w+/,
  					lookbehind: true,
  					alias: 'class-name'
  				},
  				'args': {
  					pattern: /\S(?:[\s\S]*\S)?/,
  					inside: Prism.languages.crystal
  				},
  			}
  		},
  		'expansion': {
  			pattern: /\{(?:\{.*?\}|%.*?%)\}/,
  			inside: {
  				'content': {
  					pattern: /^(\{.)[\s\S]+(?=.\}$)/,
  					lookbehind: true,
  					inside: Prism.languages.crystal
  				},
  				'delimiter': {
  					pattern: /^\{[\{%]|[\}%]\}$/,
  					alias: 'operator'
  				}
  			}
  		},
  		'char': {
  			pattern: /'(?:[^\\\r\n]{1,2}|\\(?:.|u(?:[A-Fa-f0-9]{1,4}|\{[A-Fa-f0-9]{1,6}\})))'/,
  			greedy: true
  		}
  	});
  
  }(Prism));
  

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