text: // Copyright (c) 2012, Matt Godbolt
  // All rights reserved.
  //
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions are met:
  //
  //     * Redistributions of source code must retain the above copyright notice,
  //       this list of conditions and the following disclaimer.
  //     * Redistributions in binary form must reproduce the above copyright
  //       notice, this list of conditions and the following disclaimer in the
  //       documentation and/or other materials provided with the distribution.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  // POSSIBILITY OF SUCH DAMAGE.
  
  "use strict";
  var monaco = require('monaco-editor');
  
  function definition() {
      return {
          // Set defaultToken to invalid to see what you do not tokenize yet
          defaultToken: 'invalid',
  
          // C# style strings
          escapes: /\\(?:[abfnrtv\\"']|x[0-9A-Fa-f]{1,4}|u[0-9A-Fa-f]{4}|U[0-9A-Fa-f]{8})/,
  
          registers: /%?\b(r[0-9]+[dbw]?|([er]?([abcd][xhl]|cs|fs|ds|ss|sp|bp|ip|sil?|dil?))|[xyz]mm[0-9]+|sp|fp|lr)\b/,
  
          intelOperators: /PTR|(D|Q|[XYZ]MM)?WORD/,
  
          tokenizer: {
              root: [
                  // Error document
                  [/^<.*>$/, {token: 'annotation'}],
                  // Label definition
                  [/^[.a-zA-Z0-9_$?@].*:/, {token: 'type.identifier'}],
                  // Label definition (ARM style)
                  [/^\s*[|][^|]*[|]/, {token: 'type.identifier'}],
                  // Label definition (CL style)
                  [/^\s*[.a-zA-Z0-9_$|]*\s*(PROC|ENDP|DB|DD)/, {token: 'type.identifier'}],
                  // Constant definition
                  [/^[.a-zA-Z0-9_$?@][^=]*=/, {token: 'type.identifier'}],
                  // opcode
                  [/[.a-zA-Z_][.a-zA-Z_0-9]*/, {token: 'keyword', next: '@rest'}],
                  // braces and parentheses at the start of the line (e.g. nvcc output)
                  [/[(){}]/, {token: 'operator', next: '@rest'}],
  
                  // whitespace
                  {include: '@whitespace'}
              ],
  
              rest: [
                  // pop at the beginning of the next line and rematch
                  [/^.*$/, {token: '@rematch', next: '@pop'}],
  
                  [/@registers/, 'variable.predefined'],
                  [/@intelOperators/, 'annotation'],
                  // brackets
                  [/[{}<>()[\]]/, '@brackets'],
  
                  // ARM-style label reference
                  [/[|][^|]*[|]*/, 'type.identifier'],
  
                  // numbers
                  [/\d*\.\d+([eE][-+]?\d+)?/, 'number.float'],
                  [/([$]|0[xX])[0-9a-fA-F]+/, 'number.hex'],
                  [/\d+/, 'number'],
                  // ARM-style immediate numbers (which otherwise look like comments)
                  [/#-?\d+/, 'number'],
  
                  // operators
                  [/[-+,*/!:&{}()]/, 'operator'],
  
                  // strings
                  [/"([^"\\]|\\.)*$/, 'string.invalid'],  // non-terminated string
                  [/"/, {token: 'string.quote', bracket: '@open', next: '@string'}],
  
                  // characters
                  [/'[^\\']'/, 'string'],
                  [/(')(@escapes)(')/, ['string', 'string.escape', 'string']],
                  [/'/, 'string.invalid'],
  
                  // Assume anything else is a label reference
                  [/%?[.?_$a-zA-Z@][.?_$a-zA-Z0-9@]*/, 'type.identifier'],
  
                  // whitespace
                  {include: '@whitespace'}
              ],
  
              comment: [
                  [/[^/*]+/, 'comment'],
                  [/\/\*/, 'comment', '@push'],    // nested comment
                  ["\\*/", 'comment', '@pop'],
                  [/[/*]/, 'comment']
              ],
  
              string: [
                  [/[^\\"]+/, 'string'],
                  [/@escapes/, 'string.escape'],
                  [/\\./, 'string.escape.invalid'],
                  [/"/, {token: 'string.quote', bracket: '@close', next: '@pop'}]
              ],
  
              whitespace: [
                  [/[ \t\r\n]+/, 'white'],
                  [/\/\*/, 'comment', '@comment'],
                  [/\/\/.*$/, 'comment'],
                  [/[#;\\@].*$/, 'comment']
              ]
          }
      };
  }
  
  var def = definition();
  monaco.languages.register({id: 'asm'});
  monaco.languages.setMonarchTokensProvider('asm', def);
  
  module.exports = def;
  