reprism/src/languages/nasm.js

Modular Syntax highlighting for the web

export default {
  language: 'nasm',
  init: Prism => {
    Prism.languages.nasm = {
      comment: /;.*$/m,
      string: /(["'`])(?:\\.|(?!\1)[^\\\r\n])*\1/,
      label: {
        pattern: /(^\s*)[A-Za-z._?$][\w.?$@~#]*:/m,
        lookbehind: true,
        alias: 'function',
      },
      keyword: [
        /\[?BITS (?:16|32|64)\]?/,
        {
          pattern: /(^\s*)section\s*[a-zA-Z.]+:?/im,
          lookbehind: true,
        },
        /(?:extern|global)[^;\r\n]*/i,
        /(?:CPU|FLOAT|DEFAULT).*$/m,
      ],
      register: {
        pattern: /\b(?:st\d|[xyz]mm\d\d?|[cdt]r\d|r\d\d?[bwd]?|[er]?[abcd]x|[abcd][hl]|[er]?(?:bp|sp|si|di)|[cdefgs]s)\b/i,
        alias: 'variable',
      },
      number: /(?:\b|(?=\$))(?:0[hx][\da-f]*\.?[\da-f]+(?:p[+-]?\d+)?|\d[\da-f]+[hx]|\$\d[\da-f]*|0[oq][0-7]+|[0-7]+[oq]|0[by][01]+|[01]+[by]|0[dt]\d+|\d*\.?\d+(?:\.?e[+-]?\d+)?[dt]?)\b/i,
      operator: /[\[\]*+\-\/%<>=&|$!]/,
    }
  },
}