reprism/src/languages/smalltalk.js

Modular Syntax highlighting for the web

export default {
  language: 'smalltalk',
  init: Prism => {
    Prism.languages.smalltalk = {
      comment: /"(?:""|[^"])+"/,
      string: /'(?:''|[^'])+'/,
      symbol: /#[\da-z]+|#(?:-|([+\/\\*~<>=@%|&?!])\1?)|#(?=\()/i,
      'block-arguments': {
        pattern: /(\[\s*):[^\[|]*\|/,
        lookbehind: true,
        inside: {
          variable: /:[\da-z]+/i,
          punctuation: /\|/,
        },
      },
      'temporary-variables': {
        pattern: /\|[^|]+\|/,
        inside: {
          variable: /[\da-z]+/i,
          punctuation: /\|/,
        },
      },
      keyword: /\b(?:nil|true|false|self|super|new)\b/,
      character: {
        pattern: /\$./,
        alias: 'string',
      },
      number: [
        /\d+r-?[\dA-Z]+(?:\.[\dA-Z]+)?(?:e-?\d+)?/,
        /\b\d+(?:\.\d+)?(?:e-?\d+)?/,
      ],
      operator: /[<=]=?|:=|~[~=]|\/\/?|\\\\|>[>=]?|[!^+\-*&|,@]/,
      punctuation: /[.;:?\[\](){}]/,
    }
  },
}