/*
Language: VB.NET
Author: Poren Chiang <ren.chiang@gmail.com>
*/

function(hljs) {
  return {
    case_insensitive: true,
    keywords: {
      keyword:
        'addhandler addressof alias and andalso aggregate ansi as assembly auto binary by byref byval ' + /* a-b */
        'call case catch class compare const continue custom declare default delegate dim distinct do ' + /* c-d */
        'each equals else elseif end enum erase error event exit explicit finally for friend from function ' + /* e-f */
        'get global goto group handles if implements imports in inherits interface into is isfalse isnot istrue ' + /* g-i */
        'join key let lib like loop me mid mod module mustinherit mustoverride mybase myclass ' + /* j-m */
        'namespace narrowing new next not notinheritable notoverridable ' + /* n */
        'of off on operator option optional or order orelse overloads overridable overrides ' + /* o */
        'paramarray partial preserve private property protected public ' + /* p */
        'raiseevent readonly redim rem removehandler resume return ' + /* r */
        'select set shadows shared skip static step stop structure strict sub synclock ' + /* s */
        'take text then throw to try unicode until using when where while widening with withevents writeonly xor', /* t-x */
      built_in:
        'boolean byte cbool cbyte cchar cdate cdec cdbl char cint clng cobj csbyte cshort csng cstr ctype ' +  /* b-c */
        'date decimal directcast double gettype getxmlnamespace iif integer long object ' + /* d-o */
        'sbyte short single string trycast typeof uinteger ulong ushort', /* s-u */
      literal:
        'true false nothing'
    },
    illegal: '(//|endif|gosub|variant|wend)', /* reserved deprecated keywords */
    contains: [
      hljs.inherit(hljs.QUOTE_STRING_MODE, {contains: [{begin: '""'}]}),
      {
        className: 'comment',
        begin: '\'', end: '$', returnBegin: true,
        contains: [
          {
            className: 'xmlDocTag',
            begin: '\'\'\'|<!--|-->'
          },
          {
            className: 'xmlDocTag',
            begin: '</?', end: '>'
          },
          ]
      },
      hljs.C_NUMBER_MODE,
      {
        className: 'preprocessor',
        begin: '#', end: '$',
        keywords: 'if else elseif end region externalsource'
      },
    ]
  };
}
