mirror of https://github.com/jkjoy/sunpeiwen.git
144 lines
2.6 KiB
JavaScript
144 lines
2.6 KiB
JavaScript
/*
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Language: Elm
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Author: Janis Voigtlaender <janis.voigtlaender@gmail.com>
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Website: https://elm-lang.org
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Category: functional
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*/
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/** @type LanguageFn */
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function elm(hljs) {
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const COMMENT = { variants: [
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hljs.COMMENT('--', '$'),
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hljs.COMMENT(
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/\{-/,
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/-\}/,
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{ contains: [ 'self' ] }
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)
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] };
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const CONSTRUCTOR = {
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className: 'type',
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begin: '\\b[A-Z][\\w\']*', // TODO: other constructors (built-in, infix).
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relevance: 0
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};
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const LIST = {
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begin: '\\(',
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end: '\\)',
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illegal: '"',
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contains: [
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{
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className: 'type',
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begin: '\\b[A-Z][\\w]*(\\((\\.\\.|,|\\w+)\\))?'
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},
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COMMENT
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]
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};
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const RECORD = {
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begin: /\{/,
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end: /\}/,
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contains: LIST.contains
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};
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const CHARACTER = {
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className: 'string',
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begin: '\'\\\\?.',
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end: '\'',
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illegal: '.'
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};
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const KEYWORDS = [
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"let",
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"in",
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"if",
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"then",
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"else",
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"case",
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"of",
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"where",
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"module",
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"import",
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"exposing",
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"type",
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"alias",
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"as",
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"infix",
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"infixl",
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"infixr",
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"port",
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"effect",
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"command",
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"subscription"
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];
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return {
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name: 'Elm',
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keywords: KEYWORDS,
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contains: [
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// Top-level constructions.
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{
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beginKeywords: 'port effect module',
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end: 'exposing',
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keywords: 'port effect module where command subscription exposing',
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contains: [
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LIST,
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COMMENT
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],
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illegal: '\\W\\.|;'
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},
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{
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begin: 'import',
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end: '$',
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keywords: 'import as exposing',
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contains: [
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LIST,
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COMMENT
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],
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illegal: '\\W\\.|;'
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},
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{
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begin: 'type',
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end: '$',
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keywords: 'type alias',
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contains: [
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CONSTRUCTOR,
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LIST,
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RECORD,
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COMMENT
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]
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},
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{
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beginKeywords: 'infix infixl infixr',
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end: '$',
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contains: [
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hljs.C_NUMBER_MODE,
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COMMENT
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]
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},
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{
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begin: 'port',
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end: '$',
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keywords: 'port',
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contains: [ COMMENT ]
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},
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// Literals and names.
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CHARACTER,
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hljs.QUOTE_STRING_MODE,
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hljs.C_NUMBER_MODE,
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CONSTRUCTOR,
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hljs.inherit(hljs.TITLE_MODE, { begin: '^[_a-z][\\w\']*' }),
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COMMENT,
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{ // No markup, relevance booster
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begin: '->|<-' }
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],
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illegal: /;/
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};
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}
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export { elm as default };
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