text: /*---------------------------------------------------------------------------------------------
   *  Copyright (c) Microsoft Corporation. All rights reserved.
   *  Licensed under the MIT License. See License.txt in the project root for license information.
   *--------------------------------------------------------------------------------------------*/
  'use strict';
  export var conf = {
      brackets: [
          ['{', '}'],
          ['[', ']'],
          ['(', ')']
      ],
      autoClosingPairs: [
          { open: '{', close: '}' },
          { open: '[', close: ']' },
          { open: '(', close: ')' },
          { open: '"', close: '"' },
          { open: '\'', close: '\'' },
      ],
      surroundingPairs: [
          { open: '{', close: '}' },
          { open: '[', close: ']' },
          { open: '(', close: ')' },
          { open: '"', close: '"' },
          { open: '\'', close: '\'' },
      ]
  };
  export var language = {
      tokenPostfix: '.tcl',
      specialFunctions: [
          'set', 'unset', 'rename', 'variable', 'proc', 'coroutine',
          'foreach',
          'incr', 'append',
          'lappend', 'linsert', 'lreplace'
      ],
      mainFunctions: [
          'if', 'then', 'elseif', 'else', 'case', 'switch', 'while', 'for',
          'break', 'continue', 'return',
          'package', 'namespace',
          'catch', 'exit',
          'eval', 'expr', 'uplevel', 'upvar'
      ],
      builtinFunctions: [
          'file', 'info', 'concat', 'join', 'lindex',
          'list', 'llength', 'lrange', 'lsearch', 'lsort', 'split',
          'array', 'parray', 'binary', 'format', 'regexp', 'regsub', 'scan', 'string',
          'subst', 'dict', 'cd', 'clock', 'exec', 'glob', 'pid', 'pwd', 'close', 'eof', 'fblocked',
          'fconfigure', 'fcopy', 'fileevent', 'flush', 'gets', 'open', 'puts', 'read', 'seek',
          'socket', 'tell', 'interp', 'after', 'auto_execok',
          'auto_load', 'auto_mkindex', 'auto_reset', 'bgerror', 'error',
          'global', 'history', 'load', 'source', 'time', 'trace',
          'unknown', 'unset', 'update', 'vwait', 'winfo', 'wm', 'bind', 'event',
          'pack', 'place', 'grid', 'font', 'bell', 'clipboard', 'destroy', 'focus', 'grab', 'lower',
          'option', 'raise', 'selection', 'send', 'tk', 'tkwait', 'tk_bisque', 'tk_focusNext',
          'tk_focusPrev', 'tk_focusFollowsMouse', 'tk_popup', 'tk_setPalette'
      ],
      symbols: /[=><!~?:&|+\-*\/\^%]+/,
      brackets: [
          { open: '(', close: ')', token: 'delimiter.parenthesis' },
          { open: '{', close: '}', token: 'delimiter.curly' },
          { open: '[', close: ']', token: 'delimiter.square' }
      ],
      escapes: /\\(?:[abfnrtv\\"'\[\]\{\};\$]|x[0-9A-Fa-f]{1,4}|u[0-9A-Fa-f]{4}|U[0-9A-Fa-f]{8})/,
      variables: /(?:\$+(?:(?:\:\:?)?[a-zA-Z_]\w*)+)/,
      tokenizer: {
          root: [
              // identifiers and keywords
              [/[a-zA-Z_]\w*/, { cases: {
                          '@specialFunctions': { token: 'keyword.flow', next: '@specialFunc' },
                          '@mainFunctions': 'keyword',
                          '@builtinFunctions': 'variable',
                          '@default': 'operator.scss'
                      } }],
              [/\s+\-+(?!\d|\.)\w*|{\*}/, 'metatag'],
              // whitespace
              { include: '@whitespace' },
              // delimiters and operators
              [/[{}()\[\]]/, '@brackets'],
              [/@symbols/, 'operator'],
              [/\$+(?:\:\:)?\{/, { token: 'identifier', next: '@nestedVariable' }],
              [/@variables/, 'type.identifier'],
              [/\.(?!\d|\.)[\w\-]*/, 'operator.sql'],
              // numbers
              [/\d+(\.\d+)?/, 'number'],
              [/\d+/, 'number'],
              // delimiter
              [/;/, 'delimiter'],
              // strings
              [/"/, { token: 'string.quote', bracket: '@open', next: '@dstring' }],
              [/'/, { token: 'string.quote', bracket: '@open', next: '@sstring' }]
          ],
          dstring: [
              [/\[/, { token: '@brackets', next: '@nestedCall' }],
              [/\$+(?:\:\:)?\{/, { token: 'identifier', next: '@nestedVariable' }],
              [/@variables/, 'type.identifier'],
              [/[^\\$\[\]"]+/, 'string'],
              [/@escapes/, 'string.escape'],
              [/"/, { token: 'string.quote', bracket: '@close', next: '@pop' }],
          ],
          sstring: [
              [/\[/, { token: '@brackets', next: '@nestedCall' }],
              [/\$+(?:\:\:)?\{/, { token: 'identifier', next: '@nestedVariable' }],
              [/@variables/, 'type.identifier'],
              [/[^\\$\[\]']+/, 'string'],
              [/@escapes/, 'string.escape'],
              [/'/, { token: 'string.quote', bracket: '@close', next: '@pop' }]
          ],
          whitespace: [
              [/[ \t\r\n]+/, 'white'],
              [/#.*\\$/, { token: 'comment', next: '@newlineComment' }],
              [/#.*(?!\\)$/, 'comment']
          ],
          newlineComment: [
              [/.*\\$/, 'comment'],
              [/.*(?!\\)$/, { token: 'comment', next: '@pop' }]
          ],
          nestedVariable: [
              [/[^\{\}\$]+/, 'type.identifier'],
              [/\}/, { token: 'identifier', next: '@pop' }]
          ],
          nestedCall: [
              [/\[/, { token: '@brackets', next: '@nestedCall' }],
              [/\]/, { token: '@brackets', next: '@pop' }],
              { include: 'root' }
          ],
          specialFunc: [
              [/"/, { token: 'string', next: '@dstring' }],
              [/'/, { token: 'string', next: '@sstring' }],
              [/\S+/, { token: 'type', next: '@pop' }],
          ]
      }
  };
  