prismjs/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|null|open|opens|package|private|protected|provides|public|record|requires|return|short|static|strictfp|super|switch|synchronized|this|throw|throws|to|transient|transitive|try|uses|var|void|volatile|while|with|yield)\b/;

	// based on the java naming conventions
	var className = /\b[A-Z](?:\w*[a-z]\w*)?\b/;

	Prism.languages.java = Prism.languages.extend('clike', {
		'class-name': [
			className,

			// variables and parameters
			// this to support class names (or generic parameters) which do not contain a lower case letter (also works for methods)
			/\b[A-Z]\w*(?=\s+\w+\s*[;,=())])/
		],
		'keyword': keywords,
		'function': [
			Prism.languages.clike.function,
			{
				pattern: /(\:\:)[a-z_]\w*/,
				lookbehind: true
			}
		],
		'number': /\b0b[01][01_]*L?\b|\b0x[\da-f_]*\.?[\da-f_p+-]+\b|(?:\b\d[\d_]*\.?[\d_]*|\B\.\d[\d_]*)(?:e[+-]?\d[\d_]*)?[dfl]?/i,
		'operator': {
			pattern: /(^|[^.])(?:<<=?|>>>?=?|->|--|\+\+|&&|\|\||::|[?:~]|[-+*/%&|^!=<>]=?)/m,
			lookbehind: true
		}
	});

	Prism.languages.insertBefore('java', 'string', {
		'triple-quoted-string': {
			// http://openjdk.java.net/jeps/355#Description
			pattern: /"""[ \t]*[\r\n](?:(?:"|"")?(?:\\.|[^"\\]))*"""/,
			greedy: true,
			alias: 'string'
		}
	});

	Prism.languages.insertBefore('java', 'class-name', {
		'annotation': {
			alias: 'punctuation',
			pattern: /(^|[^.])@\w+/,
			lookbehind: true
		},
		'namespace': {
			pattern: /(\b(?:exports|import(?:\s+static)?|module|open|opens|package|provides|requires|to|transitive|uses|with)\s+)[a-z]\w*(?:\.[a-z]\w*)+/,
			lookbehind: true,
			inside: {
				'punctuation': /\./,
			}
		},
		'generics': {
			pattern: /<(?:[\w\s,.&?]|<(?:[\w\s,.&?]|<(?:[\w\s,.&?]|<[\w\s,.&?]*>)*>)*>)*>/,
			inside: {
				'class-name': className,
				'keyword': keywords,
				'punctuation': /[<>(),.:]/,
				'operator': /[?&|]/
			}
		}
	});
}(Prism));