text: """
      pygments.lexers.sas
      ~~~~~~~~~~~~~~~~~~~
  
      Lexer for SAS.
  
      :copyright: Copyright 2006-2022 by the Pygments team, see AUTHORS.
      :license: BSD, see LICENSE for details.
  """
  
  import re
  from pygments.lexer import RegexLexer, include, words
  from pygments.token import Comment, Keyword, Name, Number, String, Text, \
      Other, Generic
  
  __all__ = ['SASLexer']
  
  
  class SASLexer(RegexLexer):
      """
      For `SAS <http://www.sas.com/>`_ files.
  
      .. versionadded:: 2.2
      """
      # Syntax from syntax/sas.vim by James Kidd <james.kidd@covance.com>
  
      name      = 'SAS'
      aliases   = ['sas']
      filenames = ['*.SAS', '*.sas']
      mimetypes = ['text/x-sas', 'text/sas', 'application/x-sas']
      flags     = re.IGNORECASE | re.MULTILINE
  
      builtins_macros = (
          "bquote", "nrbquote", "cmpres", "qcmpres", "compstor", "datatyp",
          "display", "do", "else", "end", "eval", "global", "goto", "if",
          "index", "input", "keydef", "label", "left", "length", "let",
          "local", "lowcase", "macro", "mend", "nrquote",
          "nrstr", "put", "qleft", "qlowcase", "qscan",
          "qsubstr", "qsysfunc", "qtrim", "quote", "qupcase", "scan",
          "str", "substr", "superq", "syscall", "sysevalf", "sysexec",
          "sysfunc", "sysget", "syslput", "sysprod", "sysrc", "sysrput",
          "then", "to", "trim", "unquote", "until", "upcase", "verify",
          "while", "window"
      )
  
      builtins_conditionals = (
          "do", "if", "then", "else", "end", "until", "while"
      )
  
      builtins_statements = (
          "abort", "array", "attrib", "by", "call", "cards", "cards4",
          "catname", "continue", "datalines", "datalines4", "delete", "delim",
          "delimiter", "display", "dm", "drop", "endsas", "error", "file",
          "filename", "footnote", "format", "goto", "in", "infile", "informat",
          "input", "keep", "label", "leave", "length", "libname", "link",
          "list", "lostcard", "merge", "missing", "modify", "options", "output",
          "out", "page", "put", "redirect", "remove", "rename", "replace",
          "retain", "return", "select", "set", "skip", "startsas", "stop",
          "title", "update", "waitsas", "where", "window", "x", "systask"
      )
  
      builtins_sql = (
          "add", "and", "alter", "as", "cascade", "check", "create",
          "delete", "describe", "distinct", "drop", "foreign", "from",
          "group", "having", "index", "insert", "into", "in", "key", "like",
          "message", "modify", "msgtype", "not", "null", "on", "or",
          "order", "primary", "references", "reset", "restrict", "select",
          "set", "table", "unique", "update", "validate", "view", "where"
      )
  
      builtins_functions = (
          "abs", "addr", "airy", "arcos", "arsin", "atan", "attrc",
          "attrn", "band", "betainv", "blshift", "bnot", "bor",
          "brshift", "bxor", "byte", "cdf", "ceil", "cexist", "cinv",
          "close", "cnonct", "collate", "compbl", "compound",
          "compress", "cos", "cosh", "css", "curobs", "cv", "daccdb",
          "daccdbsl", "daccsl", "daccsyd", "dacctab", "dairy", "date",
          "datejul", "datepart", "datetime", "day", "dclose", "depdb",
          "depdbsl", "depsl", "depsyd",
          "deptab", "dequote", "dhms", "dif", "digamma",
          "dim", "dinfo", "dnum", "dopen", "doptname", "doptnum",
          "dread", "dropnote", "dsname", "erf", "erfc", "exist", "exp",
          "fappend", "fclose", "fcol", "fdelete", "fetch", "fetchobs",
          "fexist", "fget", "fileexist", "filename", "fileref",
          "finfo", "finv", "fipname", "fipnamel", "fipstate", "floor",
          "fnonct", "fnote", "fopen", "foptname", "foptnum", "fpoint",
          "fpos", "fput", "fread", "frewind", "frlen", "fsep", "fuzz",
          "fwrite", "gaminv", "gamma", "getoption", "getvarc", "getvarn",
          "hbound", "hms", "hosthelp", "hour", "ibessel", "index",
          "indexc", "indexw", "input", "inputc", "inputn", "int",
          "intck", "intnx", "intrr", "irr", "jbessel", "juldate",
          "kurtosis", "lag", "lbound", "left", "length", "lgamma",
          "libname", "libref", "log", "log10", "log2", "logpdf", "logpmf",
          "logsdf", "lowcase", "max", "mdy", "mean", "min", "minute",
          "mod", "month", "mopen", "mort", "n", "netpv", "nmiss",
          "normal", "note", "npv", "open", "ordinal", "pathname",
          "pdf", "peek", "peekc", "pmf", "point", "poisson", "poke",
          "probbeta", "probbnml", "probchi", "probf", "probgam",
          "probhypr", "probit", "probnegb", "probnorm", "probt",
          "put", "putc", "putn", "qtr", "quote", "ranbin", "rancau",
          "ranexp", "rangam", "range", "rank", "rannor", "ranpoi",
          "rantbl", "rantri", "ranuni", "repeat", "resolve", "reverse",
          "rewind", "right", "round", "saving", "scan", "sdf", "second",
          "sign", "sin", "sinh", "skewness", "soundex", "spedis",
          "sqrt", "std", "stderr", "stfips", "stname", "stnamel",
          "substr", "sum", "symget", "sysget", "sysmsg", "sysprod",
          "sysrc", "system", "tan", "tanh", "time", "timepart", "tinv",
          "tnonct", "today", "translate", "tranwrd", "trigamma",
          "trim", "trimn", "trunc", "uniform", "upcase", "uss", "var",
          "varfmt", "varinfmt", "varlabel", "varlen", "varname",
          "varnum", "varray", "varrayx", "vartype", "verify", "vformat",
          "vformatd", "vformatdx", "vformatn", "vformatnx", "vformatw",
          "vformatwx", "vformatx", "vinarray", "vinarrayx", "vinformat",
          "vinformatd", "vinformatdx", "vinformatn", "vinformatnx",
          "vinformatw", "vinformatwx", "vinformatx", "vlabel",
          "vlabelx", "vlength", "vlengthx", "vname", "vnamex", "vtype",
          "vtypex", "weekday", "year", "yyq", "zipfips", "zipname",
          "zipnamel", "zipstate"
      )
  
      tokens = {
          'root': [
              include('comments'),
              include('proc-data'),
              include('cards-datalines'),
              include('logs'),
              include('general'),
              (r'.', Text),
          ],
          # SAS is multi-line regardless, but * is ended by ;
          'comments': [
              (r'^\s*\*.*?;', Comment),
              (r'/\*.*?\*/', Comment),
              (r'^\s*\*(.|\n)*?;', Comment.Multiline),
              (r'/[*](.|\n)*?[*]/', Comment.Multiline),
          ],
          # Special highlight for proc, data, quit, run
          'proc-data': [
              (r'(^|;)\s*(proc \w+|data|run|quit)[\s;]',
               Keyword.Reserved),
          ],
          # Special highlight cards and datalines
          'cards-datalines': [
              (r'^\s*(datalines|cards)\s*;\s*$', Keyword, 'data'),
          ],
          'data': [
              (r'(.|\n)*^\s*;\s*$', Other, '#pop'),
          ],
          # Special highlight for put NOTE|ERROR|WARNING (order matters)
          'logs': [
              (r'\n?^\s*%?put ', Keyword, 'log-messages'),
          ],
          'log-messages': [
              (r'NOTE(:|-).*', Generic, '#pop'),
              (r'WARNING(:|-).*', Generic.Emph, '#pop'),
              (r'ERROR(:|-).*', Generic.Error, '#pop'),
              include('general'),
          ],
          'general': [
              include('keywords'),
              include('vars-strings'),
              include('special'),
              include('numbers'),
          ],
          # Keywords, statements, functions, macros
          'keywords': [
              (words(builtins_statements,
                     prefix = r'\b',
                     suffix = r'\b'),
               Keyword),
              (words(builtins_sql,
                     prefix = r'\b',
                     suffix = r'\b'),
               Keyword),
              (words(builtins_conditionals,
                     prefix = r'\b',
                     suffix = r'\b'),
               Keyword),
              (words(builtins_macros,
                     prefix = r'%',
                     suffix = r'\b'),
               Name.Builtin),
              (words(builtins_functions,
                     prefix = r'\b',
                     suffix = r'\('),
               Name.Builtin),
          ],
          # Strings and user-defined variables and macros (order matters)
          'vars-strings': [
              (r'&[a-z_]\w{0,31}\.?', Name.Variable),
              (r'%[a-z_]\w{0,31}', Name.Function),
              (r'\'', String, 'string_squote'),
              (r'"', String, 'string_dquote'),
          ],
          'string_squote': [
              ('\'', String, '#pop'),
              (r'\\\\|\\"|\\\n', String.Escape),
              # AFAIK, macro variables are not evaluated in single quotes
              # (r'&', Name.Variable, 'validvar'),
              (r'[^$\'\\]+', String),
              (r'[$\'\\]', String),
          ],
          'string_dquote': [
              (r'"', String, '#pop'),
              (r'\\\\|\\"|\\\n', String.Escape),
              (r'&', Name.Variable, 'validvar'),
              (r'[^$&"\\]+', String),
              (r'[$"\\]', String),
          ],
          'validvar': [
              (r'[a-z_]\w{0,31}\.?', Name.Variable, '#pop'),
          ],
          # SAS numbers and special variables
          'numbers': [
              (r'\b[+-]?([0-9]+(\.[0-9]+)?|\.[0-9]+|\.)(E[+-]?[0-9]+)?i?\b',
               Number),
          ],
          'special': [
              (r'(null|missing|_all_|_automatic_|_character_|_n_|'
               r'_infile_|_name_|_null_|_numeric_|_user_|_webout_)',
               Keyword.Constant),
          ],
          # 'operators': [
          #     (r'(-|=|<=|>=|<|>|<>|&|!=|'
          #      r'\||\*|\+|\^|/|!|~|~=)', Operator)
          # ],
      }
  