'use strict'

module.exports = nasm
nasm.displayName = 'nasm'
nasm.aliases = []
function nasm(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-z.]+:?/im,
        lookbehind: true
      },
      /(?:extern|global)[^;\r\n]*/i,
      /(?:CPU|DEFAULT|FLOAT).*$/m
    ],
    register: {
      pattern:
        /\b(?:st\d|[xyz]mm\d\d?|[cdt]r\d|r\d\d?[bwd]?|[er]?[abcd]x|[abcd][hl]|[er]?(?:bp|di|si|sp)|[cdefgs]s)\b/i,
      alias: 'variable'
    },
    number:
      /(?:\b|(?=\$))(?:0[hx](?:\.[\da-f]+|[\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+)?|\.\d+)(?:\.?e[+-]?\d+)?[dt]?)\b/i,
    operator: /[\[\]*+\-\/%<>=&|$!]/
  }
}