mirror of https://github.com/morpheus65535/bazarr
228 lines
9.2 KiB
Python
228 lines
9.2 KiB
Python
"""
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pygments.lexers.sas
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~~~~~~~~~~~~~~~~~~~
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Lexer for SAS.
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:copyright: Copyright 2006-2022 by the Pygments team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import re
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from pygments.lexer import RegexLexer, include, words
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from pygments.token import Comment, Keyword, Name, Number, String, Text, \
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Other, Generic
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__all__ = ['SASLexer']
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class SASLexer(RegexLexer):
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"""
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For SAS files.
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.. versionadded:: 2.2
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"""
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# Syntax from syntax/sas.vim by James Kidd <james.kidd@covance.com>
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name = 'SAS'
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aliases = ['sas']
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filenames = ['*.SAS', '*.sas']
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mimetypes = ['text/x-sas', 'text/sas', 'application/x-sas']
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flags = re.IGNORECASE | re.MULTILINE
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builtins_macros = (
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"bquote", "nrbquote", "cmpres", "qcmpres", "compstor", "datatyp",
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"display", "do", "else", "end", "eval", "global", "goto", "if",
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"index", "input", "keydef", "label", "left", "length", "let",
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"local", "lowcase", "macro", "mend", "nrquote",
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"nrstr", "put", "qleft", "qlowcase", "qscan",
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"qsubstr", "qsysfunc", "qtrim", "quote", "qupcase", "scan",
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"str", "substr", "superq", "syscall", "sysevalf", "sysexec",
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"sysfunc", "sysget", "syslput", "sysprod", "sysrc", "sysrput",
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"then", "to", "trim", "unquote", "until", "upcase", "verify",
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"while", "window"
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)
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builtins_conditionals = (
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"do", "if", "then", "else", "end", "until", "while"
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)
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builtins_statements = (
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"abort", "array", "attrib", "by", "call", "cards", "cards4",
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"catname", "continue", "datalines", "datalines4", "delete", "delim",
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"delimiter", "display", "dm", "drop", "endsas", "error", "file",
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"filename", "footnote", "format", "goto", "in", "infile", "informat",
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"input", "keep", "label", "leave", "length", "libname", "link",
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"list", "lostcard", "merge", "missing", "modify", "options", "output",
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"out", "page", "put", "redirect", "remove", "rename", "replace",
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"retain", "return", "select", "set", "skip", "startsas", "stop",
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"title", "update", "waitsas", "where", "window", "x", "systask"
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)
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builtins_sql = (
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"add", "and", "alter", "as", "cascade", "check", "create",
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"delete", "describe", "distinct", "drop", "foreign", "from",
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"group", "having", "index", "insert", "into", "in", "key", "like",
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"message", "modify", "msgtype", "not", "null", "on", "or",
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"order", "primary", "references", "reset", "restrict", "select",
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"set", "table", "unique", "update", "validate", "view", "where"
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)
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builtins_functions = (
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"abs", "addr", "airy", "arcos", "arsin", "atan", "attrc",
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"attrn", "band", "betainv", "blshift", "bnot", "bor",
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"brshift", "bxor", "byte", "cdf", "ceil", "cexist", "cinv",
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"close", "cnonct", "collate", "compbl", "compound",
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"compress", "cos", "cosh", "css", "curobs", "cv", "daccdb",
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"daccdbsl", "daccsl", "daccsyd", "dacctab", "dairy", "date",
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"datejul", "datepart", "datetime", "day", "dclose", "depdb",
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"depdbsl", "depsl", "depsyd",
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"deptab", "dequote", "dhms", "dif", "digamma",
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"dim", "dinfo", "dnum", "dopen", "doptname", "doptnum",
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"dread", "dropnote", "dsname", "erf", "erfc", "exist", "exp",
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"fappend", "fclose", "fcol", "fdelete", "fetch", "fetchobs",
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"fexist", "fget", "fileexist", "filename", "fileref",
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"finfo", "finv", "fipname", "fipnamel", "fipstate", "floor",
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"fnonct", "fnote", "fopen", "foptname", "foptnum", "fpoint",
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"fpos", "fput", "fread", "frewind", "frlen", "fsep", "fuzz",
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"fwrite", "gaminv", "gamma", "getoption", "getvarc", "getvarn",
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"hbound", "hms", "hosthelp", "hour", "ibessel", "index",
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"indexc", "indexw", "input", "inputc", "inputn", "int",
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"intck", "intnx", "intrr", "irr", "jbessel", "juldate",
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"kurtosis", "lag", "lbound", "left", "length", "lgamma",
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"libname", "libref", "log", "log10", "log2", "logpdf", "logpmf",
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"logsdf", "lowcase", "max", "mdy", "mean", "min", "minute",
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"mod", "month", "mopen", "mort", "n", "netpv", "nmiss",
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"normal", "note", "npv", "open", "ordinal", "pathname",
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"pdf", "peek", "peekc", "pmf", "point", "poisson", "poke",
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"probbeta", "probbnml", "probchi", "probf", "probgam",
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"probhypr", "probit", "probnegb", "probnorm", "probt",
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"put", "putc", "putn", "qtr", "quote", "ranbin", "rancau",
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"ranexp", "rangam", "range", "rank", "rannor", "ranpoi",
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"rantbl", "rantri", "ranuni", "repeat", "resolve", "reverse",
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"rewind", "right", "round", "saving", "scan", "sdf", "second",
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"sign", "sin", "sinh", "skewness", "soundex", "spedis",
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"sqrt", "std", "stderr", "stfips", "stname", "stnamel",
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"substr", "sum", "symget", "sysget", "sysmsg", "sysprod",
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"sysrc", "system", "tan", "tanh", "time", "timepart", "tinv",
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"tnonct", "today", "translate", "tranwrd", "trigamma",
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"trim", "trimn", "trunc", "uniform", "upcase", "uss", "var",
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"varfmt", "varinfmt", "varlabel", "varlen", "varname",
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"varnum", "varray", "varrayx", "vartype", "verify", "vformat",
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"vformatd", "vformatdx", "vformatn", "vformatnx", "vformatw",
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"vformatwx", "vformatx", "vinarray", "vinarrayx", "vinformat",
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"vinformatd", "vinformatdx", "vinformatn", "vinformatnx",
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"vinformatw", "vinformatwx", "vinformatx", "vlabel",
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"vlabelx", "vlength", "vlengthx", "vname", "vnamex", "vtype",
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"vtypex", "weekday", "year", "yyq", "zipfips", "zipname",
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"zipnamel", "zipstate"
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)
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tokens = {
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'root': [
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include('comments'),
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include('proc-data'),
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include('cards-datalines'),
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include('logs'),
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include('general'),
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(r'.', Text),
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],
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# SAS is multi-line regardless, but * is ended by ;
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'comments': [
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(r'^\s*\*.*?;', Comment),
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(r'/\*.*?\*/', Comment),
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(r'^\s*\*(.|\n)*?;', Comment.Multiline),
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(r'/[*](.|\n)*?[*]/', Comment.Multiline),
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],
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# Special highlight for proc, data, quit, run
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'proc-data': [
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(r'(^|;)\s*(proc \w+|data|run|quit)[\s;]',
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Keyword.Reserved),
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],
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# Special highlight cards and datalines
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'cards-datalines': [
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(r'^\s*(datalines|cards)\s*;\s*$', Keyword, 'data'),
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],
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'data': [
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(r'(.|\n)*^\s*;\s*$', Other, '#pop'),
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],
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# Special highlight for put NOTE|ERROR|WARNING (order matters)
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'logs': [
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(r'\n?^\s*%?put ', Keyword, 'log-messages'),
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],
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'log-messages': [
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(r'NOTE(:|-).*', Generic, '#pop'),
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(r'WARNING(:|-).*', Generic.Emph, '#pop'),
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(r'ERROR(:|-).*', Generic.Error, '#pop'),
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include('general'),
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],
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'general': [
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include('keywords'),
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include('vars-strings'),
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include('special'),
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include('numbers'),
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],
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# Keywords, statements, functions, macros
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'keywords': [
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(words(builtins_statements,
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prefix = r'\b',
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suffix = r'\b'),
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Keyword),
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(words(builtins_sql,
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prefix = r'\b',
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suffix = r'\b'),
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Keyword),
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(words(builtins_conditionals,
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prefix = r'\b',
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suffix = r'\b'),
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Keyword),
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(words(builtins_macros,
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prefix = r'%',
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suffix = r'\b'),
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Name.Builtin),
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(words(builtins_functions,
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prefix = r'\b',
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suffix = r'\('),
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Name.Builtin),
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],
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# Strings and user-defined variables and macros (order matters)
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'vars-strings': [
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(r'&[a-z_]\w{0,31}\.?', Name.Variable),
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(r'%[a-z_]\w{0,31}', Name.Function),
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(r'\'', String, 'string_squote'),
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(r'"', String, 'string_dquote'),
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],
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'string_squote': [
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('\'', String, '#pop'),
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(r'\\\\|\\"|\\\n', String.Escape),
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# AFAIK, macro variables are not evaluated in single quotes
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# (r'&', Name.Variable, 'validvar'),
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(r'[^$\'\\]+', String),
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(r'[$\'\\]', String),
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],
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'string_dquote': [
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(r'"', String, '#pop'),
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(r'\\\\|\\"|\\\n', String.Escape),
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(r'&', Name.Variable, 'validvar'),
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(r'[^$&"\\]+', String),
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(r'[$"\\]', String),
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],
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'validvar': [
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(r'[a-z_]\w{0,31}\.?', Name.Variable, '#pop'),
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],
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# SAS numbers and special variables
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'numbers': [
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(r'\b[+-]?([0-9]+(\.[0-9]+)?|\.[0-9]+|\.)(E[+-]?[0-9]+)?i?\b',
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Number),
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],
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'special': [
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(r'(null|missing|_all_|_automatic_|_character_|_n_|'
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r'_infile_|_name_|_null_|_numeric_|_user_|_webout_)',
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Keyword.Constant),
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],
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# 'operators': [
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# (r'(-|=|<=|>=|<|>|<>|&|!=|'
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# r'\||\*|\+|\^|/|!|~|~=)', Operator)
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# ],
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}
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