How to use the pygments.token.Number function in Pygments

'partition', 'precondition', 'preconditionFailure', 'prefix', 'print',
                'println', 'reduce', 'reflect', 'removeAll', 'removeAtIndex', 'removeLast',
                'removeRange', 'reverse', 'sizeof', 'sizeofValue', 'sort', 'sorted',
                'splice', 'split', 'startsWith', 'stride', 'strideof', 'strideofValue',
                'suffix', 'swap', 'toDebugString', 'toString', 'transcode',
                'underestimateCount', 'unsafeAddressOf', 'unsafeBitCast', 'unsafeDowncast',
                'withExtendedLifetime', 'withUnsafeMutablePointer',
                'withUnsafeMutablePointers', 'withUnsafePointer', 'withUnsafePointers',
                'withVaList'), suffix=r'\b'),
             Name.Builtin.Pseudo),

            # Implicit Block Variables
            (r'\$\d+', Name.Variable),

            # Binary Literal
            (r'0b[01_]+', Number.Bin),
            # Octal Literal
            (r'0o[0-7_]+', Number.Oct),
            # Hexadecimal Literal
            (r'0x[0-9a-fA-F_]+', Number.Hex),
            # Decimal Literal
            (r'[0-9][0-9_]*(\.[0-9_]+[eE][+\-]?[0-9_]+|'
             r'\.[0-9_]*|[eE][+\-]?[0-9_]+)', Number.Float),
            (r'[0-9][0-9_]*', Number.Integer),
            # String Literal
            (r'"', String, 'string'),

            # Operators and Punctuation
            (r'[(){}\[\].,:;=@#`?]|->|[<&?](?=\w)|(?<=\w)[>!?]', Punctuation),
            (r'[/=\-+!*%<>&|^?~]+', Operator),

            # Identifier

include('whitespaces'),
            (r'(:)(\s*)(\w+)',
             bygroups(Operator, Text, Name.Variable)),
            (r'\|', Operator, '#pop'),
            default('#pop'),  # else pop
        ],
        'literals': [
            (r"'(''|[^'])*'", String, 'afterobject'),
            (r'\$.', String.Char, 'afterobject'),
            (r'#\(', String.Symbol, 'parenth'),
            (r'\)', Text, 'afterobject'),
            (r'(\d+r)?-?\d+(\.\d+)?(e-?\d+)?', Number, 'afterobject'),
        ],
        '_parenth_helper': [
            include('whitespaces'),
            (r'(\d+r)?-?\d+(\.\d+)?(e-?\d+)?', Number),
            (r'[-+*/\\~<>=|&#!?,@%\w:]+', String.Symbol),
            # literals
            (r"'(''|[^'])*'", String),
            (r'\$.', String.Char),
            (r'#*\(', String.Symbol, 'inner_parenth'),
        ],
        'parenth': [
            # This state is a bit tricky since
            # we can't just pop this state
            (r'\)', String.Symbol, ('root', 'afterobject')),
            include('_parenth_helper'),
        ],
        'inner_parenth': [
            (r'\)', String.Symbol, '#pop'),
            include('_parenth_helper'),
        ],

bygroups(Punctuation, Whitespace, Keyword, Whitespace, Punctuation)),
            # Punctuation
            (r"[;,\[\]()]", Punctuation),
            # Builtin
            (r'(%s)(?=\s*\()' % '|'.join(_stan_builtins.FUNCTIONS), Name.Builtin),
            (r'(~)(\s*)(%s)(?=\s*\()' % '|'.join(_stan_builtins.DISTRIBUTIONS),
                bygroups(Operator, Whitespace, Name.Builtin)),
            # Special names ending in __, like lp__
            (r'[A-Za-z]\w*__\b', Name.Builtin.Pseudo),
            (r'(%s)\b' % r'|'.join(_stan_builtins.RESERVED), Keyword.Reserved),
            # user-defined functions
            (r'[A-Za-z]\w*(?=\s*\()]', Name.Function),
            # Regular variable names
            (r'[A-Za-z]\w*\b', Name),
            # Real Literals
            (r'[0-9]+(\.[0-9]*)?([eE][+-]?[0-9]+)?', Number.Float),
            (r'\.[0-9]+([eE][+-]?[0-9]+)?', Number.Float),
            # Integer Literals
            (r'[0-9]+', Number.Integer),
            # Assignment operators
            (r'<-|(?:\+|-|\.?/|\.?\*|=)?=|~', Operator),
            # Infix, prefix and postfix operators (and = )
            (r"\+|-|\.?\*|\.?/|\\|'|\^|!=?|<=?|>=?|\|\||&&|%|\?|:", Operator),
            # Block delimiters
            (r'[{}]', Punctuation),
            # Distribution |
            (r'\|', Punctuation)
        ]
    }

    def analyse_text(text):
        if re.search(r'^\s*parameters\s*\{', text, re.M):

(r'\(\*', Comment, 'comment'),
            (words(keywords1, prefix=r'\b', suffix=r'\b'), Keyword.Namespace),
            (words(keywords2, prefix=r'\b', suffix=r'\b'), Keyword),
            (words(keywords3, prefix=r'\b', suffix=r'\b'), Keyword.Type),
            (words(keywords4, prefix=r'\b', suffix=r'\b'), Keyword),
            (words(keywords5, prefix=r'\b', suffix=r'\b'), Keyword.Pseudo),
            (words(keywords6, prefix=r'\b', suffix=r'\b'), Keyword.Reserved),
            # (r'\b([A-Z][\w\']*)(\.)', Name.Namespace, 'dotted'),
            (r'\b([A-Z][\w\']*)', Name),
            (r'(%s)' % '|'.join(keyopts[::-1]), Operator),
            (r'(%s|%s)?%s' % (infix_syms, prefix_syms, operators), Operator),
            (r'\b(%s)\b' % '|'.join(primitives), Keyword.Type),

            (r"[^\W\d][\w']*", Name),

            (r'\d[\d_]*', Number.Integer),
            (r'0[xX][\da-fA-F][\da-fA-F_]*', Number.Hex),
            (r'0[oO][0-7][0-7_]*', Number.Oct),
            (r'0[bB][01][01_]*', Number.Bin),
            (r'-?\d[\d_]*(.[\d_]*)?([eE][+\-]?\d[\d_]*)', Number.Float),

            (r"'(?:(\\[\\\"'ntbr ])|(\\[0-9]{3})|(\\x[0-9a-fA-F]{2}))'",
             String.Char),
            (r"'.'", String.Char),
            (r"'", Keyword),  # a stray quote is another syntax element

            (r'"', String.Double, 'string'),

            (r'[~?][a-z][\w\']*:', Name),
        ],
        'comment': [
            (r'[^(*)]+', Comment),

(r'[})\].]', Punctuation),
            (r'(for|in|while|do|break|return|continue|switch|case|default|if|else|loop|'
             r'require|inline|throw|try|catch|finally|new|delete|typeof|instanceof|void|'
             r'namespace|use|extends|this|fetch|isset|unset|echo|fetch|likely|unlikely|'
             r'empty)\b', Keyword, 'slashstartsregex'),
            (r'(var|let|with|function)\b', Keyword.Declaration, 'slashstartsregex'),
            (r'(abstract|boolean|bool|char|class|const|double|enum|export|extends|final|'
             r'native|goto|implements|import|int|string|interface|long|ulong|char|uchar|'
             r'float|unsigned|private|protected|public|short|static|self|throws|reverse|'
             r'transient|volatile)\b', Keyword.Reserved),
            (r'(true|false|null|undefined)\b', Keyword.Constant),
            (r'(Array|Boolean|Date|_REQUEST|_COOKIE|_SESSION|'
             r'_GET|_POST|_SERVER|this|stdClass|range|count|iterator|'
             r'window)\b', Name.Builtin),
            (r'[$a-zA-Z_][\w\\]*', Name.Other),
            (r'[0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?', Number.Float),
            (r'0x[0-9a-fA-F]+', Number.Hex),
            (r'[0-9]+', Number.Integer),
            (r'"(\\\\|\\"|[^"])*"', String.Double),
            (r"'(\\\\|\\'|[^'])*'", String.Single),
        ]
    }


class PhpLexer(RegexLexer):
    """
    For `PHP `_ source code.
    For PHP embedded in HTML, use the `HtmlPhpLexer`.

    Additional options accepted:

    `startinline`

(r'/(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/'
             r'([gim]+\b|\B)', String.Regex, '#pop'),
            (r'(?=/)', Text, ('#pop', 'badregex')),
            default('#pop'),
        ],
        'badregex': [
            (r'\n', Text, '#pop'),
        ],
        'statements': [
            (r'(L|@)?"', String, 'string'),
            (r"(L|@)?'(\\.|\\[0-7]{1,3}|\\x[a-fA-F0-9]{1,2}|[^\\\'\n])'",
             String.Char),
            (r'"(\\\\|\\"|[^"])*"', String.Double),
            (r"'(\\\\|\\'|[^'])*'", String.Single),
            (r'(\d+\.\d*|\.\d+|\d+)[eE][+-]?\d+[lL]?', Number.Float),
            (r'(\d+\.\d*|\.\d+|\d+[fF])[fF]?', Number.Float),
            (r'0x[0-9a-fA-F]+[Ll]?', Number.Hex),
            (r'0[0-7]+[Ll]?', Number.Oct),
            (r'\d+[Ll]?', Number.Integer),

            (r'^(?=\s|/|

mimetypes = ['text/x-postgresql']

    flags = re.IGNORECASE
    tokens = {
        'root': [
            (r'\s+', Text),
            (r'--.*\n?', Comment.Single),
            (r'/\*', Comment.Multiline, 'multiline-comments'),
            (r'(' + '|'.join(s.replace(" ", r"\s+")
                             for s in DATATYPES + PSEUDO_TYPES) + r')\b',
             Name.Builtin),
            (words(KEYWORDS, suffix=r'\b'), Keyword),
            (r'[+*/<>=~!@#%^&|`?-]+', Operator),
            (r'::', Operator),  # cast
            (r'\$\d+', Name.Variable),
            (r'([0-9]*\.[0-9]*|[0-9]+)(e[+-]?[0-9]+)?', Number.Float),
            (r'[0-9]+', Number.Integer),
            (r"((?:E|U&)?)(')", bygroups(String.Affix, String.Single), 'string'),
            # quoted identifier
            (r'((?:U&)?)(")', bygroups(String.Affix, String.Name), 'quoted-ident'),
            (r'(?s)(\$)([^$]*)(\$)(.*?)(\$)(\2)(\$)', language_callback),
            (r'[a-z_]\w*', Name),

            # psql variable in SQL
            (r""":(['"]?)[a-z]\w*\b\1""", Name.Variable),

            (r'[;:()\[\]{},.]', Punctuation),
        ],
        'multiline-comments': [
            (r'/\*', Comment.Multiline, 'multiline-comments'),
            (r'\*/', Comment.Multiline, '#pop'),
            (r'[^/*]+', Comment.Multiline),

'void'), suffix=r'\b'), Keyword.Type),

            # Recognised attributes
            (r'[a-zA-Z_]\w*_(priority|domain|buffer)', Keyword.Reserved),
            (words(('dma_pool', 'from_access', 'to_access'), suffix=r'\b'),
                Keyword.Reserved),

            # CAmkES-level include
            (r'import\s+(<[^>]*>|"[^"]*");', Comment.Preproc),

            # C-level include
            (r'include\s+(<[^>]*>|"[^"]*");', Comment.Preproc),

            # Literals
            (r'0[xX][\da-fA-F]+', Number.Hex),
            (r'-?[\d]+', Number),
            (r'-?[\d]+\.[\d]+', Number.Float),
            (r'"[^"]*"', String),

            # Identifiers
            (r'[a-zA-Z_]\w*', Name),
        ],
    }


class RedcodeLexer(RegexLexer):
    """
    A simple Redcode lexer based on ICWS'94.
    Contributed by Adam Blinkinsop .

    .. versionadded:: 0.8
    """

.. versionadded:: 1.6
    """
    name = 'dg'
    aliases = ['dg']
    filenames = ['*.dg']
    mimetypes = ['text/x-dg']

    tokens = {
        'root': [
            (r'\s+', Text),
            (r'#.*?$', Comment.Single),

            (r'(?i)0b[01]+', Number.Bin),
            (r'(?i)0o[0-7]+', Number.Oct),
            (r'(?i)0x[0-9a-f]+', Number.Hex),
            (r'(?i)[+-]?[0-9]+\.[0-9]+(e[+-]?[0-9]+)?j?', Number.Float),
            (r'(?i)[+-]?[0-9]+e[+-]?\d+j?', Number.Float),
            (r'(?i)[+-]?[0-9]+j?', Number.Integer),

            (r"(?i)(br|r?b?)'''", String, combined('stringescape', 'tsqs', 'string')),
            (r'(?i)(br|r?b?)"""', String, combined('stringescape', 'tdqs', 'string')),
            (r"(?i)(br|r?b?)'", String, combined('stringescape', 'sqs', 'string')),
            (r'(?i)(br|r?b?)"', String, combined('stringescape', 'dqs', 'string')),

            (r"`\w+'*`", Operator),
            (r'\b(and|in|is|or|where)\b', Operator.Word),
            (r'[!$%&*+\-./:<-@\\^|~;,]+', Operator),

            (words((
                'bool', 'bytearray', 'bytes', 'classmethod', 'complex', 'dict', 'dict\'',
                'float', 'frozenset', 'int', 'list', 'list\'', 'memoryview', 'object',

r'switch|import|include|as|is)\b',
             Keyword),
            (r'(class|public|final|internal|native|override|private|protected|'
             r'static|import|extends|implements|interface|intrinsic|return|super|'
             r'dynamic|function|const|get|namespace|package|set)\b',
             Keyword.Declaration),
            (r'(true|false|null|NaN|Infinity|-Infinity|undefined|void)\b',
             Keyword.Constant),
            (r'(decodeURI|decodeURIComponent|encodeURI|escape|eval|isFinite|isNaN|'
             r'isXMLName|clearInterval|fscommand|getTimer|getURL|getVersion|'
             r'isFinite|parseFloat|parseInt|setInterval|trace|updateAfterEvent|'
             r'unescape)\b', Name.Function),
            (identifier, Name),
            (r'[0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?', Number.Float),
            (r'0x[0-9a-f]+', Number.Hex),
            (r'[0-9]+', Number.Integer),
            (r'"(\\\\|\\[^\\]|[^"\\])*"', String.Double),
            (r"'(\\\\|\\[^\\]|[^'\\])*'", String.Single),
            (r'[~^*!%&<>|+=:;,/?\\{}\[\]().-]+', Operator),
        ],
        'funcparams': [
            (r'\s+', Text),
            (r'(\s*)(\.\.\.)?(' + identifier + r')(\s*)(:)(\s*)(' +
             typeidentifier + r'|\*)(\s*)',
             bygroups(Text, Punctuation, Name, Text, Operator, Text,
                      Keyword.Type, Text), 'defval'),
            (r'\)', Operator, 'type')
        ],
        'type': [
            (r'(\s*)(:)(\s*)(' + typeidentifier + r'|\*)',
             bygroups(Text, Operator, Text, Keyword.Type), '#pop:2'),
            (r'\s+', Text, '#pop:2'),