text: """
      pygments.lexers.unicon
      ~~~~~~~~~~~~~~~~~~~~~~
  
      Lexers for the Icon and Unicon languages, including ucode VM.
  
      :copyright: Copyright 2006-2021 by the Pygments team, see AUTHORS.
      :license: BSD, see LICENSE for details.
  """
  
  import re
  
  from pygments.lexer import RegexLexer
  from pygments.lexer import bygroups
  from pygments.lexer import include
  from pygments.lexer import this
  from pygments.lexer import using
  from pygments.lexer import words
  from pygments.token import Comment
  from pygments.token import Keyword
  from pygments.token import Name
  from pygments.token import Number
  from pygments.token import Operator
  from pygments.token import Punctuation
  from pygments.token import String
  from pygments.token import Text
  
  __all__ = ['IconLexer', 'UcodeLexer', 'UniconLexer']
  
  
  class UniconLexer(RegexLexer):
      """
      For Unicon source code.
  
      .. versionadded:: 2.4
      """
  
      name = 'Unicon'
      aliases = ['unicon']
      filenames = ['*.icn']
      mimetypes = ['text/unicon']
  
      flags = re.MULTILINE
  
      tokens = {
          'root': [
              (r'[^\S\n]+', Text),
              (r'#.*?\n', Comment.Single),
              (r'[^\S\n]+', Text),
              (r'class|method|procedure', Keyword.Declaration, 'subprogram'),
              (r'(record)(\s+)(\w+)',
               bygroups(Keyword.Declaration, Text, Keyword.Type), 'type_def'),
              (r'(#line|\$C|\$Cend|\$define|\$else|\$endif|\$error|\$ifdef|'
               r'\$ifndef|\$include|\$line|\$undef)\b', Keyword.PreProc),
              (r'(&null|&fail)\b', Keyword.Constant),
              (r'&allocated|&ascii|&clock|&collections|&column|&col|&control|'
               r'&cset|&current|&dateline|&date|&digits|&dump|'
               r'&errno|&errornumber|&errortext|&errorvalue|&error|&errout|'
               r'&eventcode|&eventvalue|&eventsource|&e|'
               r'&features|&file|&host|&input|&interval|&lcase|&letters|'
               r'&level|&line|&ldrag|&lpress|&lrelease|'
               r'&main|&mdrag|&meta|&mpress|&mrelease|&now|&output|'
               r'&phi|&pick|&pi|&pos|&progname|'
               r'&random|&rdrag|&regions|&resize|&row|&rpress|&rrelease|'
               r'&shift|&source|&storage|&subject|'
               r'&time|&trace|&ucase|&version|'
               r'&window|&x|&y', Keyword.Reserved),
              (r'(by|of|not|to)\b', Keyword.Reserved),
              (r'(global|local|static|abstract)\b', Keyword.Reserved),
              (r'package|link|import', Keyword.Declaration),
              (words((
                  'break', 'case', 'create', 'critical', 'default', 'end', 'all',
                  'do', 'else', 'every', 'fail', 'if', 'import', 'initial',
                  'initially', 'invocable', 'next',
                  'repeat', 'return', 'suspend',
                  'then', 'thread', 'until', 'while'), prefix=r'\b', suffix=r'\b'),
               Keyword.Reserved),
              (words((
                  'Abort', 'abs', 'acos', 'Active', 'Alert', 'any', 'Any', 'Arb',
                  'Arbno', 'args', 'array', 'asin', 'atan', 'atanh', 'Attrib',
                  'Bal', 'bal', 'Bg', 'Break', 'Breakx',
                  'callout', 'center', 'char', 'chdir', 'chmod', 'chown', 'chroot',
                  'classname', 'Clip', 'Clone', 'close', 'cofail', 'collect',
                  'Color', 'ColorValue', 'condvar', 'constructor', 'copy',
                  'CopyArea', 'cos', 'Couple', 'crypt', 'cset', 'ctime',
                  'dbcolumns', 'dbdriver', 'dbkeys', 'dblimits', 'dbproduct',
                  'dbtables', 'delay', 'delete', 'detab', 'display', 'DrawArc',
                  'DrawCircle', 'DrawCube', 'DrawCurve', 'DrawCylinder',
                  'DrawDisk', 'DrawImage', 'DrawLine', 'DrawPoint', 'DrawPolygon',
                  'DrawRectangle', 'DrawSegment', 'DrawSphere', 'DrawString',
                  'DrawTorus', 'dtor',
                  'entab', 'EraseArea', 'errorclear', 'Event', 'eventmask',
                  'EvGet', 'EvSend', 'exec', 'exit', 'exp', 'Eye',
                  'Fail', 'fcntl', 'fdup', 'Fence', 'fetch', 'Fg', 'fieldnames',
                  'filepair', 'FillArc', 'FillCircle', 'FillPolygon',
                  'FillRectangle', 'find', 'flock', 'flush', 'Font', 'fork',
                  'FreeColor', 'FreeSpace', 'function',
                  'get', 'getch', 'getche', 'getegid', 'getenv', 'geteuid',
                  'getgid', 'getgr', 'gethost', 'getpgrp', 'getpid', 'getppid',
                  'getpw', 'getrusage', 'getserv', 'GetSpace', 'gettimeofday',
                  'getuid', 'globalnames', 'GotoRC', 'GotoXY', 'gtime', 'hardlink',
                  'iand', 'icom', 'IdentityMatrix', 'image', 'InPort', 'insert',
                  'Int86', 'integer', 'ioctl', 'ior', 'ishift', 'istate', 'ixor',
                  'kbhit', 'key', 'keyword', 'kill',
                  'left', 'Len', 'list', 'load', 'loadfunc', 'localnames',
                  'lock', 'log', 'Lower', 'lstat',
                  'many', 'map', 'match', 'MatrixMode', 'max', 'member',
                  'membernames', 'methodnames', 'methods', 'min', 'mkdir', 'move',
                  'MultMatrix', 'mutex',
                  'name', 'NewColor', 'Normals', 'NotAny', 'numeric',
                  'open', 'opencl', 'oprec', 'ord', 'OutPort',
                  'PaletteChars', 'PaletteColor', 'PaletteKey', 'paramnames',
                  'parent', 'Pattern', 'Peek', 'Pending', 'pipe', 'Pixel',
                  'PlayAudio', 'Poke', 'pop', 'PopMatrix', 'Pos', 'pos',
                  'proc', 'pull', 'push', 'PushMatrix', 'PushRotate', 'PushScale',
                  'PushTranslate', 'put',
                  'QueryPointer',
                  'Raise', 'read', 'ReadImage', 'readlink', 'reads', 'ready',
                  'real', 'receive', 'Refresh', 'Rem', 'remove', 'rename',
                  'repl', 'reverse', 'right', 'rmdir', 'Rotate', 'Rpos',
                  'Rtab', 'rtod', 'runerr',
                  'save', 'Scale', 'seek', 'select', 'send', 'seq',
                  'serial', 'set', 'setenv', 'setgid', 'setgrent',
                  'sethostent', 'setpgrp', 'setpwent', 'setservent',
                  'setuid', 'signal', 'sin', 'sort', 'sortf', 'Span',
                  'spawn', 'sql', 'sqrt', 'stat', 'staticnames', 'stop',
                  'StopAudio', 'string', 'structure', 'Succeed', 'Swi',
                  'symlink', 'sys_errstr', 'system', 'syswrite',
                  'Tab', 'tab', 'table', 'tan',
                  'Texcoord', 'Texture', 'TextWidth', 'Translate',
                  'trap', 'trim', 'truncate', 'trylock', 'type',
                  'umask', 'Uncouple', 'unlock', 'upto', 'utime',
                  'variable', 'VAttrib',
                  'wait', 'WAttrib', 'WDefault', 'WFlush', 'where',
                  'WinAssociate', 'WinButton', 'WinColorDialog', 'WindowContents',
                  'WinEditRegion', 'WinFontDialog', 'WinMenuBar', 'WinOpenDialog',
                  'WinPlayMedia', 'WinSaveDialog', 'WinScrollBar', 'WinSelectDialog',
                  'write', 'WriteImage', 'writes', 'WSection',
                  'WSync'), prefix=r'\b', suffix=r'\b'),
               Name.Function),
              include('numbers'),
              (r'<@|<<@|>@|>>@|\.>|->|===|~===|\*\*|\+\+|--|\.|~==|~=|<=|>=|==|'
               r'=|<<=|<<|>>=|>>|:=:|:=|->|<->|\+:=|\|', Operator),
              (r'"(?:[^\\"]|\\.)*"', String),
              (r"'(?:[^\\']|\\.)*'", String.Character),
              (r'[*<>+=/&!?@~\\-]', Operator),
              (r'\^', Operator),
              (r'(\w+)(\s*|[(,])', bygroups(Name, using(this))),
              (r"[\[\]]", Punctuation),
              (r"<>|=>|[()|:;,.'`{}%&?]", Punctuation),
              (r'\n+', Text),
          ],
          'numbers': [
              (r'\b([+-]?([2-9]|[12][0-9]|3[0-6])[rR][0-9a-zA-Z]+)\b', Number.Hex),
              (r'[+-]?[0-9]*\.([0-9]*)([Ee][+-]?[0-9]*)?', Number.Float),
              (r'\b([+-]?[0-9]+[KMGTPkmgtp]?)\b', Number.Integer),
          ],
          'subprogram': [
              (r'\(', Punctuation, ('#pop', 'formal_part')),
              (r';', Punctuation, '#pop'),
              (r'"[^"]+"|\w+', Name.Function),
              include('root'),
          ],
          'type_def': [
              (r'\(', Punctuation, 'formal_part'),
          ],
          'formal_part': [
              (r'\)', Punctuation, '#pop'),
              (r'\w+', Name.Variable),
              (r',', Punctuation),
              (r'(:string|:integer|:real)\b', Keyword.Reserved),
              include('root'),
          ],
      }
  
  
  class IconLexer(RegexLexer):
      """
      Lexer for Icon.
  
      .. versionadded:: 1.6
      """
      name = 'Icon'
      aliases = ['icon']
      filenames = ['*.icon', '*.ICON']
      mimetypes = []
      flags = re.MULTILINE
  
      tokens = {
          'root': [
              (r'[^\S\n]+', Text),
              (r'#.*?\n', Comment.Single),
              (r'[^\S\n]+', Text),
              (r'class|method|procedure', Keyword.Declaration, 'subprogram'),
              (r'(record)(\s+)(\w+)',
               bygroups(Keyword.Declaration, Text, Keyword.Type), 'type_def'),
              (r'(#line|\$C|\$Cend|\$define|\$else|\$endif|\$error|\$ifdef|'
               r'\$ifndef|\$include|\$line|\$undef)\b', Keyword.PreProc),
              (r'(&null|&fail)\b', Keyword.Constant),
              (r'&allocated|&ascii|&clock|&collections|&column|&col|&control|'
               r'&cset|&current|&dateline|&date|&digits|&dump|'
               r'&errno|&errornumber|&errortext|&errorvalue|&error|&errout|'
               r'&eventcode|&eventvalue|&eventsource|&e|'
               r'&features|&file|&host|&input|&interval|&lcase|&letters|'
               r'&level|&line|&ldrag|&lpress|&lrelease|'
               r'&main|&mdrag|&meta|&mpress|&mrelease|&now|&output|'
               r'&phi|&pick|&pi|&pos|&progname|'
               r'&random|&rdrag|&regions|&resize|&row|&rpress|&rrelease|'
               r'&shift|&source|&storage|&subject|'
               r'&time|&trace|&ucase|&version|'
               r'&window|&x|&y', Keyword.Reserved),
              (r'(by|of|not|to)\b', Keyword.Reserved),
              (r'(global|local|static)\b', Keyword.Reserved),
              (r'link', Keyword.Declaration),
              (words((
                  'break', 'case', 'create', 'default', 'end', 'all',
                  'do', 'else', 'every', 'fail', 'if', 'initial',
                  'invocable', 'next',
                  'repeat', 'return', 'suspend',
                  'then', 'until', 'while'), prefix=r'\b', suffix=r'\b'),
               Keyword.Reserved),
              (words((
                  'abs', 'acos', 'Active', 'Alert', 'any',
                  'args', 'array', 'asin', 'atan', 'atanh', 'Attrib',
                  'bal', 'Bg',
                  'callout', 'center', 'char', 'chdir', 'chmod', 'chown', 'chroot',
                  'Clip', 'Clone', 'close', 'cofail', 'collect',
                  'Color', 'ColorValue', 'condvar', 'copy',
                  'CopyArea', 'cos', 'Couple', 'crypt', 'cset', 'ctime',
                  'delay', 'delete', 'detab', 'display', 'DrawArc',
                  'DrawCircle', 'DrawCube', 'DrawCurve', 'DrawCylinder',
                  'DrawDisk', 'DrawImage', 'DrawLine', 'DrawPoint', 'DrawPolygon',
                  'DrawRectangle', 'DrawSegment', 'DrawSphere', 'DrawString',
                  'DrawTorus', 'dtor',
                  'entab', 'EraseArea', 'errorclear', 'Event', 'eventmask',
                  'EvGet', 'EvSend', 'exec', 'exit', 'exp', 'Eye',
                  'fcntl', 'fdup', 'fetch', 'Fg', 'fieldnames',
                  'FillArc', 'FillCircle', 'FillPolygon',
                  'FillRectangle', 'find', 'flock', 'flush', 'Font',
                  'FreeColor', 'FreeSpace', 'function',
                  'get', 'getch', 'getche', 'getenv',
                  'GetSpace', 'gettimeofday',
                  'getuid', 'globalnames', 'GotoRC', 'GotoXY', 'gtime', 'hardlink',
                  'iand', 'icom', 'IdentityMatrix', 'image', 'InPort', 'insert',
                  'Int86', 'integer', 'ioctl', 'ior', 'ishift', 'istate', 'ixor',
                  'kbhit', 'key', 'keyword', 'kill',
                  'left', 'Len', 'list', 'load', 'loadfunc', 'localnames',
                  'lock', 'log', 'Lower', 'lstat',
                  'many', 'map', 'match', 'MatrixMode', 'max', 'member',
                  'membernames', 'methodnames', 'methods', 'min', 'mkdir', 'move',
                  'MultMatrix', 'mutex',
                  'name', 'NewColor', 'Normals', 'numeric',
                  'open', 'opencl', 'oprec', 'ord', 'OutPort',
                  'PaletteChars', 'PaletteColor', 'PaletteKey', 'paramnames',
                  'parent', 'Pattern', 'Peek', 'Pending', 'pipe', 'Pixel',
                  'Poke', 'pop', 'PopMatrix', 'Pos', 'pos',
                  'proc', 'pull', 'push', 'PushMatrix', 'PushRotate', 'PushScale',
                  'PushTranslate', 'put',
                  'QueryPointer',
                  'Raise', 'read', 'ReadImage', 'readlink', 'reads', 'ready',
                  'real', 'receive', 'Refresh', 'Rem', 'remove', 'rename',
                  'repl', 'reverse', 'right', 'rmdir', 'Rotate', 'Rpos',
                  'rtod', 'runerr',
                  'save', 'Scale', 'seek', 'select', 'send', 'seq',
                  'serial', 'set', 'setenv',
                  'setuid', 'signal', 'sin', 'sort', 'sortf',
                  'spawn', 'sql', 'sqrt', 'stat', 'staticnames', 'stop',
                  'string', 'structure', 'Swi',
                  'symlink', 'sys_errstr', 'system', 'syswrite',
                  'tab', 'table', 'tan',
                  'Texcoord', 'Texture', 'TextWidth', 'Translate',
                  'trap', 'trim', 'truncate', 'trylock', 'type',
                  'umask', 'Uncouple', 'unlock', 'upto', 'utime',
                  'variable',
                  'wait', 'WAttrib', 'WDefault', 'WFlush', 'where',
                  'WinAssociate', 'WinButton', 'WinColorDialog', 'WindowContents',
                  'WinEditRegion', 'WinFontDialog', 'WinMenuBar', 'WinOpenDialog',
                  'WinPlayMedia', 'WinSaveDialog', 'WinScrollBar', 'WinSelectDialog',
                  'write', 'WriteImage', 'writes', 'WSection',
                  'WSync'), prefix=r'\b', suffix=r'\b'),
               Name.Function),
              include('numbers'),
              (r'===|~===|\*\*|\+\+|--|\.|==|~==|<=|>=|=|~=|<<=|<<|>>=|>>|'
               r':=:|:=|<->|<-|\+:=|\|\||\|', Operator),
              (r'"(?:[^\\"]|\\.)*"', String),
              (r"'(?:[^\\']|\\.)*'", String.Character),
              (r'[*<>+=/&!?@~\\-]', Operator),
              (r'(\w+)(\s*|[(,])', bygroups(Name, using(this))),
              (r"[\[\]]", Punctuation),
              (r"<>|=>|[()|:;,.'`{}%\^&?]", Punctuation),
              (r'\n+', Text),
          ],
          'numbers': [
              (r'\b([+-]?([2-9]|[12][0-9]|3[0-6])[rR][0-9a-zA-Z]+)\b', Number.Hex),
              (r'[+-]?[0-9]*\.([0-9]*)([Ee][+-]?[0-9]*)?', Number.Float),
              (r'\b([+-]?[0-9]+[KMGTPkmgtp]?)\b', Number.Integer),
          ],
          'subprogram': [
              (r'\(', Punctuation, ('#pop', 'formal_part')),
              (r';', Punctuation, '#pop'),
              (r'"[^"]+"|\w+', Name.Function),
              include('root'),
          ],
          'type_def': [
              (r'\(', Punctuation, 'formal_part'),
          ],
          'formal_part': [
              (r'\)', Punctuation, '#pop'),
              (r'\w+', Name.Variable),
              (r',', Punctuation),
              (r'(:string|:integer|:real)\b', Keyword.Reserved),
              include('root'),
          ],
      }
  
  
  class UcodeLexer(RegexLexer):
      """
      Lexer for Icon ucode files.
  
      .. versionadded:: 2.4
      """
      name = 'ucode'
      aliases = ['ucode']
      filenames = ['*.u', '*.u1', '*.u2']
      mimetypes = []
      flags = re.MULTILINE
  
      tokens = {
          'root': [
              (r'(#.*\n)', Comment),
              (words((
                  'con', 'declend', 'end',
                  'global',
                  'impl', 'invocable',
                  'lab', 'link', 'local',
                  'record',
                  'uid', 'unions',
                  'version'),
                  prefix=r'\b', suffix=r'\b'),
               Name.Function),
              (words((
                  'colm', 'filen', 'line', 'synt'),
                  prefix=r'\b', suffix=r'\b'),
               Comment),
              (words((
                  'asgn',
                  'bang', 'bscan',
                  'cat', 'ccase', 'chfail',
                  'coact', 'cofail', 'compl',
                  'coret', 'create', 'cset',
                  'diff', 'div', 'dup',
                  'efail', 'einit', 'end', 'eqv', 'eret',
                  'error', 'escan', 'esusp',
                  'field',
                  'goto',
                  'init', 'int', 'inter',
                  'invoke',
                  'keywd',
                  'lconcat', 'lexeq', 'lexge',
                  'lexgt', 'lexle', 'lexlt', 'lexne',
                  'limit', 'llist', 'lsusp',
                  'mark', 'mark0', 'minus', 'mod', 'mult',
                  'neg', 'neqv', 'nonnull', 'noop', 'null',
                  'number', 'numeq', 'numge', 'numgt',
                  'numle', 'numlt', 'numne',
                  'pfail', 'plus', 'pnull', 'pop', 'power',
                  'pret', 'proc', 'psusp', 'push1', 'pushn1',
                  'random', 'rasgn', 'rcv', 'rcvbk', 'real',
                  'refresh', 'rswap',
                  'sdup', 'sect', 'size', 'snd', 'sndbk',
                  'str', 'subsc', 'swap',
                  'tabmat', 'tally', 'toby', 'trace',
                  'unmark',
                  'value', 'var'), prefix=r'\b', suffix=r'\b'),
               Keyword.Declaration),
              (words((
                  'any',
                  'case',
                  'endcase', 'endevery', 'endif',
                  'endifelse', 'endrepeat', 'endsuspend',
                  'enduntil', 'endwhile', 'every',
                  'if', 'ifelse',
                  'repeat',
                  'suspend',
                  'until',
                  'while'),
               prefix=r'\b', suffix=r'\b'),
               Name.Constant),
              (r'\d+(\s*|\.$|$)', Number.Integer),
              (r'[+-]?\d*\.\d+(E[-+]?\d+)?', Number.Float),
              (r'[+-]?\d+\.\d*(E[-+]?\d+)?', Number.Float),
              (r"(<>|=>|[()|:;,.'`]|[{}]|[%^]|[&?])", Punctuation),
              (r'\s+\b', Text),
              (r'[\w-]+', Text),
          ],
      }
  
      def analyse_text(text):
          """endsuspend and endrepeat are unique to this language, and
          \\self, /self doesn't seem to get used anywhere else either."""
          result = 0
  
          if 'endsuspend' in text:
              result += 0.1
  
          if 'endrepeat' in text:
              result += 0.1
  
          if ':=' in text:
              result += 0.01
  
          if 'procedure' in text and 'end' in text:
              result += 0.01
  
          # This seems quite unique to unicon -- doesn't appear in any other
          # example source we have (A quick search reveals that \SELF appears in
          # Perl/Raku code)
          if r'\self' in text and r'/self' in text:
              result += 0.5
  
          return result
  