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

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• Hash : 342a0039
  Author :
  Date : 2022-07-29T18:59:56
  

  Java: Added support for constants (#3507)

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• components/prism-java.js

• (function (Prism) {
  
  	var keywords = /\b(?:abstract|assert|boolean|break|byte|case|catch|char|class|const|continue|default|do|double|else|enum|exports|extends|final|finally|float|for|goto|if|implements|import|instanceof|int|interface|long|module|native|new|non-sealed|null|open|opens|package|permits|private|protected|provides|public|record(?!\s*[(){}[\]<>=%~.:,;?+\-*/&|^])|requires|return|sealed|short|static|strictfp|super|switch|synchronized|this|throw|throws|to|transient|transitive|try|uses|var|void|volatile|while|with|yield)\b/;
  
  	// full package (optional) + parent classes (optional)
  	var classNamePrefix = /(?:[a-z]\w*\s*\.\s*)*(?:[A-Z]\w*\s*\.\s*)*/.source;
  
  	// based on the java naming conventions
  	var className = {
  		pattern: RegExp(/(^|[^\w.])/.source + classNamePrefix + /[A-Z](?:[\d_A-Z]*[a-z]\w*)?\b/.source),
  		lookbehind: true,
  		inside: {
  			'namespace': {
  				pattern: /^[a-z]\w*(?:\s*\.\s*[a-z]\w*)*(?:\s*\.)?/,
  				inside: {
  					'punctuation': /\./
  				}
  			},
  			'punctuation': /\./
  		}
  	};
  
  	Prism.languages.java = Prism.languages.extend('clike', {
  		'string': {
  			pattern: /(^|[^\\])"(?:\\.|[^"\\\r\n])*"/,
  			lookbehind: true,
  			greedy: true
  		},
  		'class-name': [
  			className,
  			{
  				// variables, parameters, and constructor references
  				// this to support class names (or generic parameters) which do not contain a lower case letter (also works for methods)
  				pattern: RegExp(/(^|[^\w.])/.source + classNamePrefix + /[A-Z]\w*(?=\s+\w+\s*[;,=()]|\s*(?:\[[\s,]*\]\s*)?::\s*new\b)/.source),
  				lookbehind: true,
  				inside: className.inside
  			},
  			{
  				// class names based on keyword
  				// this to support class names (or generic parameters) which do not contain a lower case letter (also works for methods)
  				pattern: RegExp(/(\b(?:class|enum|extends|implements|instanceof|interface|new|record|throws)\s+)/.source + classNamePrefix + /[A-Z]\w*\b/.source),
  				lookbehind: true,
  				inside: className.inside
  			}
  		],
  		'keyword': keywords,
  		'function': [
  			Prism.languages.clike.function,
  			{
  				pattern: /(::\s*)[a-z_]\w*/,
  				lookbehind: true
  			}
  		],
  		'number': /\b0b[01][01_]*L?\b|\b0x(?:\.[\da-f_p+-]+|[\da-f_]+(?:\.[\da-f_p+-]+)?)\b|(?:\b\d[\d_]*(?:\.[\d_]*)?|\B\.\d[\d_]*)(?:e[+-]?\d[\d_]*)?[dfl]?/i,
  		'operator': {
  			pattern: /(^|[^.])(?:<<=?|>>>?=?|->|--|\+\+|&&|\|\||::|[?:~]|[-+*/%&|^!=<>]=?)/m,
  			lookbehind: true
  		},
  		'constant': /\b[A-Z][A-Z_\d]+\b/
  	});
  
  	Prism.languages.insertBefore('java', 'string', {
  		'triple-quoted-string': {
  			// http://openjdk.java.net/jeps/355#Description
  			pattern: /"""[ \t]*[\r\n](?:(?:"|"")?(?:\\.|[^"\\]))*"""/,
  			greedy: true,
  			alias: 'string'
  		},
  		'char': {
  			pattern: /'(?:\\.|[^'\\\r\n]){1,6}'/,
  			greedy: true
  		}
  	});
  
  	Prism.languages.insertBefore('java', 'class-name', {
  		'annotation': {
  			pattern: /(^|[^.])@\w+(?:\s*\.\s*\w+)*/,
  			lookbehind: true,
  			alias: 'punctuation'
  		},
  		'generics': {
  			pattern: /<(?:[\w\s,.?]|&(?!&)|<(?:[\w\s,.?]|&(?!&)|<(?:[\w\s,.?]|&(?!&)|<(?:[\w\s,.?]|&(?!&))*>)*>)*>)*>/,
  			inside: {
  				'class-name': className,
  				'keyword': keywords,
  				'punctuation': /[<>(),.:]/,
  				'operator': /[?&|]/
  			}
  		},
  		'import': [
  			{
  				pattern: RegExp(/(\bimport\s+)/.source + classNamePrefix + /(?:[A-Z]\w*|\*)(?=\s*;)/.source),
  				lookbehind: true,
  				inside: {
  					'namespace': className.inside.namespace,
  					'punctuation': /\./,
  					'operator': /\*/,
  					'class-name': /\w+/
  				}
  			},
  			{
  				pattern: RegExp(/(\bimport\s+static\s+)/.source + classNamePrefix + /(?:\w+|\*)(?=\s*;)/.source),
  				lookbehind: true,
  				alias: 'static',
  				inside: {
  					'namespace': className.inside.namespace,
  					'static': /\b\w+$/,
  					'punctuation': /\./,
  					'operator': /\*/,
  					'class-name': /\w+/
  				}
  			}
  		],
  		'namespace': {
  			pattern: RegExp(
  				/(\b(?:exports|import(?:\s+static)?|module|open|opens|package|provides|requires|to|transitive|uses|with)\s+)(?!<keyword>)[a-z]\w*(?:\.[a-z]\w*)*\.?/
  					.source.replace(/<keyword>/g, function () { return keywords.source; })),
  			lookbehind: true,
  			inside: {
  				'punctuation': /\./,
  			}
  		}
  	});
  }(Prism));
  

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