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55 lines
2.1 KiB
JavaScript
55 lines
2.1 KiB
JavaScript
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'use strict'
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module.exports = nim
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nim.displayName = 'nim'
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nim.aliases = []
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function nim(Prism) {
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Prism.languages.nim = {
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comment: {
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pattern: /#.*/,
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greedy: true
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},
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string: {
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// Double-quoted strings can be prefixed by an identifier (Generalized raw string literals)
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pattern:
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/(?:\b(?!\d)(?:\w|\\x[89a-fA-F][0-9a-fA-F])+)?(?:"""[\s\S]*?"""(?!")|"(?:\\[\s\S]|""|[^"\\])*")/,
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greedy: true
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},
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char: {
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// Character literals are handled specifically to prevent issues with numeric type suffixes
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pattern: /'(?:\\(?:\d+|x[\da-fA-F]{0,2}|.)|[^'])'/,
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greedy: true
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},
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function: {
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pattern:
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/(?:(?!\d)(?:\w|\\x[89a-fA-F][0-9a-fA-F])+|`[^`\r\n]+`)\*?(?:\[[^\]]+\])?(?=\s*\()/,
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greedy: true,
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inside: {
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operator: /\*$/
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}
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},
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// We don't want to highlight operators (and anything really) inside backticks
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identifier: {
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pattern: /`[^`\r\n]+`/,
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greedy: true,
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inside: {
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punctuation: /`/
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}
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},
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// The negative look ahead prevents wrong highlighting of the .. operator
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number:
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/\b(?:0[xXoObB][\da-fA-F_]+|\d[\d_]*(?:(?!\.\.)\.[\d_]*)?(?:[eE][+-]?\d[\d_]*)?)(?:'?[iuf]\d*)?/,
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keyword:
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/\b(?:addr|as|asm|atomic|bind|block|break|case|cast|concept|const|continue|converter|defer|discard|distinct|do|elif|else|end|enum|except|export|finally|for|from|func|generic|if|import|include|interface|iterator|let|macro|method|mixin|nil|object|out|proc|ptr|raise|ref|return|static|template|try|tuple|type|using|var|when|while|with|without|yield)\b/,
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operator: {
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// Look behind and look ahead prevent wrong highlighting of punctuations [. .] {. .} (. .)
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// but allow the slice operator .. to take precedence over them
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// One can define his own operators in Nim so all combination of operators might be an operator.
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pattern:
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/(^|[({\[](?=\.\.)|(?![({\[]\.).)(?:(?:[=+\-*\/<>@$~&%|!?^:\\]|\.\.|\.(?![)}\]]))+|\b(?:and|div|in|is|isnot|mod|not|notin|of|or|shl|shr|xor)\b)/m,
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lookbehind: true
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},
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punctuation: /[({\[]\.|\.[)}\]]|[`(){}\[\],:]/
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}
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}
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