125 lines
4 KiB
JavaScript
125 lines
4 KiB
JavaScript
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(function (Prism) {
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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/;
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// full package (optional) + parent classes (optional)
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var classNamePrefix = /(?:[a-z]\w*\s*\.\s*)*(?:[A-Z]\w*\s*\.\s*)*/.source;
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// based on the java naming conventions
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var className = {
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pattern: RegExp(/(^|[^\w.])/.source + classNamePrefix + /[A-Z](?:[\d_A-Z]*[a-z]\w*)?\b/.source),
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lookbehind: true,
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inside: {
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'namespace': {
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pattern: /^[a-z]\w*(?:\s*\.\s*[a-z]\w*)*(?:\s*\.)?/,
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inside: {
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'punctuation': /\./
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}
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},
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'punctuation': /\./
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}
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};
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Prism.languages.java = Prism.languages.extend('clike', {
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'string': {
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pattern: /(^|[^\\])"(?:\\.|[^"\\\r\n])*"/,
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lookbehind: true,
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greedy: true
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},
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'class-name': [
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className,
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{
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// variables, parameters, and constructor references
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// this to support class names (or generic parameters) which do not contain a lower case letter (also works for methods)
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pattern: RegExp(/(^|[^\w.])/.source + classNamePrefix + /[A-Z]\w*(?=\s+\w+\s*[;,=()]|\s*(?:\[[\s,]*\]\s*)?::\s*new\b)/.source),
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lookbehind: true,
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inside: className.inside
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},
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{
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// class names based on keyword
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// this to support class names (or generic parameters) which do not contain a lower case letter (also works for methods)
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pattern: RegExp(/(\b(?:class|enum|extends|implements|instanceof|interface|new|record|throws)\s+)/.source + classNamePrefix + /[A-Z]\w*\b/.source),
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lookbehind: true,
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inside: className.inside
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}
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],
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'keyword': keywords,
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'function': [
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Prism.languages.clike.function,
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{
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pattern: /(::\s*)[a-z_]\w*/,
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lookbehind: true
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}
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],
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'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,
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'operator': {
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pattern: /(^|[^.])(?:<<=?|>>>?=?|->|--|\+\+|&&|\|\||::|[?:~]|[-+*/%&|^!=<>]=?)/m,
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lookbehind: true
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},
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'constant': /\b[A-Z][A-Z_\d]+\b/
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});
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Prism.languages.insertBefore('java', 'string', {
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'triple-quoted-string': {
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// http://openjdk.java.net/jeps/355#Description
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pattern: /"""[ \t]*[\r\n](?:(?:"|"")?(?:\\.|[^"\\]))*"""/,
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greedy: true,
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alias: 'string'
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},
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'char': {
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pattern: /'(?:\\.|[^'\\\r\n]){1,6}'/,
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greedy: true
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}
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});
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Prism.languages.insertBefore('java', 'class-name', {
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'annotation': {
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pattern: /(^|[^.])@\w+(?:\s*\.\s*\w+)*/,
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lookbehind: true,
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alias: 'punctuation'
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},
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'generics': {
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pattern: /<(?:[\w\s,.?]|&(?!&)|<(?:[\w\s,.?]|&(?!&)|<(?:[\w\s,.?]|&(?!&)|<(?:[\w\s,.?]|&(?!&))*>)*>)*>)*>/,
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inside: {
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'class-name': className,
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'keyword': keywords,
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'punctuation': /[<>(),.:]/,
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'operator': /[?&|]/
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}
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},
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'import': [
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{
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pattern: RegExp(/(\bimport\s+)/.source + classNamePrefix + /(?:[A-Z]\w*|\*)(?=\s*;)/.source),
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lookbehind: true,
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inside: {
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'namespace': className.inside.namespace,
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'punctuation': /\./,
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'operator': /\*/,
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'class-name': /\w+/
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}
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},
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{
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pattern: RegExp(/(\bimport\s+static\s+)/.source + classNamePrefix + /(?:\w+|\*)(?=\s*;)/.source),
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lookbehind: true,
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alias: 'static',
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inside: {
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'namespace': className.inside.namespace,
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'static': /\b\w+$/,
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'punctuation': /\./,
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'operator': /\*/,
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'class-name': /\w+/
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}
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}
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],
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'namespace': {
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pattern: RegExp(
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/(\b(?:exports|import(?:\s+static)?|module|open|opens|package|provides|requires|to|transitive|uses|with)\s+)(?!<keyword>)[a-z]\w*(?:\.[a-z]\w*)*\.?/
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.source.replace(/<keyword>/g, function () { return keywords.source; })),
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lookbehind: true,
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inside: {
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'punctuation': /\./,
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}
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}
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});
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}(Prism));
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