kmx.io/prism.js/components/prism-tt2.js

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• Hash : 3ba786cd
  Author :
  Date : 2019-06-02T15:08:24
  

  Tests: `lookbehind` test for patterns (#1890) This adds a test which whether `lookbehind` (if set to `true`) is necessary for a given pattern.

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• components/prism-tt2.js

• (function(Prism) {
  
  	Prism.languages.tt2 = Prism.languages.extend('clike', {
  		'comment': /#.*|\[%#[\s\S]*?%\]/,
  		'keyword': /\b(?:BLOCK|CALL|CASE|CATCH|CLEAR|DEBUG|DEFAULT|ELSE|ELSIF|END|FILTER|FINAL|FOREACH|GET|IF|IN|INCLUDE|INSERT|LAST|MACRO|META|NEXT|PERL|PROCESS|RAWPERL|RETURN|SET|STOP|TAGS|THROW|TRY|SWITCH|UNLESS|USE|WHILE|WRAPPER)\b/,
  		'punctuation': /[[\]{},()]/
  	});
  
  	Prism.languages.insertBefore('tt2', 'number', {
  		'operator': /=[>=]?|!=?|<=?|>=?|&&|\|\|?|\b(?:and|or|not)\b/,
  		'variable': {
  			pattern: /[a-z]\w*(?:\s*\.\s*(?:\d+|\$?[a-z]\w*))*/i
  		}
  	});
  
  	Prism.languages.insertBefore('tt2', 'keyword', {
  		'delimiter': {
  			pattern: /^(?:\[%|%%)-?|-?%]$/,
  			alias: 'punctuation'
  		}
  	});
  
  	Prism.languages.insertBefore('tt2', 'string', {
  		'single-quoted-string': {
  			pattern: /'[^\\']*(?:\\[\s\S][^\\']*)*'/,
  			greedy: true,
  			alias: 'string'
  		},
  		'double-quoted-string': {
  			pattern: /"[^\\"]*(?:\\[\s\S][^\\"]*)*"/,
  			greedy: true,
  			alias: 'string',
  			inside: {
  				'variable': {
  					pattern: /\$(?:[a-z]\w*(?:\.(?:\d+|\$?[a-z]\w*))*)/i
  				}
  			}
  		}
  	});
  
  	// The different types of TT2 strings "replace" the C-like standard string
  	delete Prism.languages.tt2.string;
  
  	Prism.hooks.add('before-tokenize', function(env) {
  		var tt2Pattern = /\[%[\s\S]+?%\]/g;
  		Prism.languages['markup-templating'].buildPlaceholders(env, 'tt2', tt2Pattern);
  	});
  
  	Prism.hooks.add('after-tokenize', function(env) {
  		Prism.languages['markup-templating'].tokenizePlaceholders(env, 'tt2');
  	});
  
  }(Prism));
  

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