Exemplo n.º 1
0
class VbNetLexer(RegexLexer):
    """
    For
    `Visual Basic.NET <http://msdn2.microsoft.com/en-us/vbasic/default.aspx>`_
    source code.
    """

    name = 'VB.net'
    aliases = ['vb.net', 'vbnet']
    filenames = ['*.vb', '*.bas']
    mimetypes = ['text/x-vbnet', 'text/x-vba']  # (?)

    uni_name = '[_' + uni.combine('Ll', 'Lt', 'Lm', 'Nl') + ']' + \
               '[' + uni.combine('Ll', 'Lt', 'Lm', 'Nl', 'Nd', 'Pc',
                                 'Cf', 'Mn', 'Mc') + ']*'

    flags = re.MULTILINE | re.IGNORECASE
    tokens = {
        'root': [
            (r'^\s*<.*?>', Name.Attribute),
            (r'\s+', Text),
            (r'\n', Text),
            (r'rem\b.*?\n', Comment),
            (r"'.*?\n", Comment),
            (r'#If\s.*?\sThen|#ElseIf\s.*?\sThen|#Else|#End\s+If|#Const|'
             r'#ExternalSource.*?\n|#End\s+ExternalSource|'
             r'#Region.*?\n|#End\s+Region|#ExternalChecksum', Comment.Preproc),
            (r'[(){}!#,.:]', Punctuation),
            (r'Option\s+(Strict|Explicit|Compare)\s+'
             r'(On|Off|Binary|Text)', Keyword.Declaration),
            (words(
                ('AddHandler', 'Alias', 'ByRef', 'ByVal', 'Call', 'Case',
                 'Catch', 'CBool', 'CByte', 'CChar', 'CDate', 'CDec', 'CDbl',
                 'CInt', 'CLng', 'CObj', 'Continue', 'CSByte', 'CShort',
                 'CSng', 'CStr', 'CType', 'CUInt', 'CULng', 'CUShort',
                 'Declare', 'Default', 'Delegate', 'DirectCast', 'Do', 'Each',
                 'Else', 'ElseIf', 'EndIf', 'Erase', 'Error', 'Event', 'Exit',
                 'False', 'Finally', 'For', 'Friend', 'Get', 'Global', 'GoSub',
                 'GoTo', 'Handles', 'If', 'Implements', 'Inherits',
                 'Interface', 'Let', 'Lib', 'Loop', 'Me', 'MustInherit',
                 'MustOverride', 'MyBase', 'MyClass', 'Narrowing', 'New',
                 'Next', 'Not', 'Nothing', 'NotInheritable', 'NotOverridable',
                 'Of', 'On', 'Operator', 'Option', 'Optional', 'Overloads',
                 'Overridable', 'Overrides', 'ParamArray', 'Partial',
                 'Private', 'Protected', 'Public', 'RaiseEvent', 'ReadOnly',
                 'ReDim', 'RemoveHandler', 'Resume', 'Return', 'Select', 'Set',
                 'Shadows', 'Shared', 'Single', 'Static', 'Step', 'Stop',
                 'SyncLock', 'Then', 'Throw', 'To', 'True', 'Try', 'TryCast',
                 'Wend', 'Using', 'When', 'While', 'Widening', 'With',
                 'WithEvents', 'WriteOnly'),
                prefix='(?<!\.)',
                suffix=r'\b'), Keyword),
            (r'(?<!\.)End\b', Keyword, 'end'),
            (r'(?<!\.)(Dim|Const)\b', Keyword, 'dim'),
            (r'(?<!\.)(Function|Sub|Property)(\s+)', bygroups(Keyword, Text),
             'funcname'),
            (r'(?<!\.)(Class|Structure|Enum)(\s+)', bygroups(Keyword, Text),
             'classname'),
            (r'(?<!\.)(Module|Namespace|Imports)(\s+)',
             bygroups(Keyword, Text), 'namespace'),
            (r'(?<!\.)(Boolean|Byte|Char|Date|Decimal|Double|Integer|Long|'
             r'Object|SByte|Short|Single|String|Variant|UInteger|ULong|'
             r'UShort)\b', Keyword.Type),
            (r'(?<!\.)(AddressOf|And|AndAlso|As|GetType|In|Is|IsNot|Like|Mod|'
             r'Or|OrElse|TypeOf|Xor)\b', Operator.Word),
            (r'&=|[*]=|/=|\\=|\^=|\+=|-=|<<=|>>=|<<|>>|:=|'
             r'<=|>=|<>|[-&*/\\^+=<>\[\]]', Operator),
            ('"', String, 'string'),
            (r'_\n', Text),  # Line continuation  (must be before Name)
            (uni_name + '[%&@!#$]?', Name),
            ('#.*?#', Literal.Date),
            (r'(\d+\.\d*|\d*\.\d+)(F[+-]?[0-9]+)?', Number.Float),
            (r'\d+([SILDFR]|US|UI|UL)?', Number.Integer),
            (r'&H[0-9a-f]+([SILDFR]|US|UI|UL)?', Number.Integer),
            (r'&O[0-7]+([SILDFR]|US|UI|UL)?', Number.Integer),
        ],
        'string': [
            (r'""', String),
            (r'"C?', String, '#pop'),
            (r'[^"]+', String),
        ],
        'dim': [
            (uni_name, Name.Variable, '#pop'),
            default('#pop'),  # any other syntax
        ],
        'funcname': [
            (uni_name, Name.Function, '#pop'),
        ],
        'classname': [
            (uni_name, Name.Class, '#pop'),
        ],
        'namespace': [
            (uni_name, Name.Namespace),
            (r'\.', Name.Namespace),
            default('#pop'),
        ],
        'end': [
            (r'\s+', Text),
            (r'(Function|Sub|Property|Class|Structure|Enum|Module|Namespace)\b',
             Keyword, '#pop'),
            default('#pop'),
        ]
    }

    def analyse_text(text):
        if re.search(r'^\s*(#If|Module|Namespace)', text, re.MULTILINE):
            return 0.5
Exemplo n.º 2
0
class NemerleLexer(RegexLexer):
    """
    For `Nemerle <http://nemerle.org>`_ source code.

    Additional options accepted:

    `unicodelevel`
      Determines which Unicode characters this lexer allows for identifiers.
      The possible values are:

      * ``none`` -- only the ASCII letters and numbers are allowed. This
        is the fastest selection.
      * ``basic`` -- all Unicode characters from the specification except
        category ``Lo`` are allowed.
      * ``full`` -- all Unicode characters as specified in the C# specs
        are allowed.  Note that this means a considerable slowdown since the
        ``Lo`` category has more than 40,000 characters in it!

      The default value is ``basic``.

    .. versionadded:: 1.5
    """

    name = 'Nemerle'
    aliases = ['nemerle']
    filenames = ['*.n']
    mimetypes = ['text/x-nemerle']  # inferred

    flags = re.MULTILINE | re.DOTALL | re.UNICODE

    # for the range of allowed unicode characters in identifiers, see
    # http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-334.pdf

    levels = {
        'none':
        '@?[_a-zA-Z]\w*',
        'basic': ('@?[_' + uni.combine('Lu', 'Ll', 'Lt', 'Lm', 'Nl') + ']' +
                  '[' + uni.combine('Lu', 'Ll', 'Lt', 'Lm', 'Nl', 'Nd', 'Pc',
                                    'Cf', 'Mn', 'Mc') + ']*'),
        'full':
        ('@?(?:_|[^' + uni.allexcept('Lu', 'Ll', 'Lt', 'Lm', 'Lo', 'Nl') +
         '])' + '[^' + uni.allexcept('Lu', 'Ll', 'Lt', 'Lm', 'Lo', 'Nl', 'Nd',
                                     'Pc', 'Cf', 'Mn', 'Mc') + ']*'),
    }

    tokens = {}
    token_variants = True

    for levelname, cs_ident in iteritems(levels):
        tokens[levelname] = {
            'root': [
                # method names
                (
                    r'^([ \t]*(?:' + cs_ident +
                    r'(?:\[\])?\s+)+?)'  # return type
                    r'(' + cs_ident + ')'  # method name
                    r'(\s*)(\()',  # signature start
                    bygroups(using(this), Name.Function, Text, Punctuation)),
                (r'^\s*\[.*?\]', Name.Attribute),
                (r'[^\S\n]+', Text),
                (r'\\\n', Text),  # line continuation
                (r'//.*?\n', Comment.Single),
                (r'/[*].*?[*]/', Comment.Multiline),
                (r'\n', Text),
                (r'\$\s*"', String, 'splice-string'),
                (r'\$\s*<#', String, 'splice-string2'),
                (r'<#', String, 'recursive-string'),
                (r'(<\[)\s*(' + cs_ident + ':)?', Keyword),
                (r'\]\>', Keyword),

                # quasiquotation only
                (r'\$' + cs_ident, Name),
                (r'(\$)(\()', bygroups(Name,
                                       Punctuation), 'splice-string-content'),
                (r'[~!%^&*()+=|\[\]:;,.<>/?-]', Punctuation),
                (r'[{}]', Punctuation),
                (r'@"(""|[^"])*"', String),
                (r'"(\\\\|\\"|[^"\n])*["\n]', String),
                (r"'\\.'|'[^\\]'", String.Char),
                (r"0[xX][0-9a-fA-F]+[Ll]?", Number),
                (r"[0-9](\.[0-9]*)?([eE][+-][0-9]+)?[flFLdD]?", Number),
                (r'#[ \t]*(if|endif|else|elif|define|undef|'
                 r'line|error|warning|region|endregion|pragma)\b.*?\n',
                 Comment.Preproc),
                (r'\b(extern)(\s+)(alias)\b', bygroups(Keyword, Text,
                                                       Keyword)),
                (r'(abstract|and|as|base|catch|def|delegate|'
                 r'enum|event|extern|false|finally|'
                 r'fun|implements|interface|internal|'
                 r'is|macro|match|matches|module|mutable|new|'
                 r'null|out|override|params|partial|private|'
                 r'protected|public|ref|sealed|static|'
                 r'syntax|this|throw|true|try|type|typeof|'
                 r'virtual|volatile|when|where|with|'
                 r'assert|assert2|async|break|checked|continue|do|else|'
                 r'ensures|for|foreach|if|late|lock|new|nolate|'
                 r'otherwise|regexp|repeat|requires|return|surroundwith|'
                 r'unchecked|unless|using|while|yield)\b', Keyword),
                (r'(global)(::)', bygroups(Keyword, Punctuation)),
                (r'(bool|byte|char|decimal|double|float|int|long|object|sbyte|'
                 r'short|string|uint|ulong|ushort|void|array|list)\b\??',
                 Keyword.Type),
                (r'(:>?)\s*(' + cs_ident + r'\??)',
                 bygroups(Punctuation, Keyword.Type)),
                (r'(class|struct|variant|module)(\s+)',
                 bygroups(Keyword, Text), 'class'),
                (r'(namespace|using)(\s+)', bygroups(Keyword,
                                                     Text), 'namespace'),
                (cs_ident, Name),
            ],
            'class': [(cs_ident, Name.Class, '#pop')],
            'namespace': [
                (r'(?=\()', Text, '#pop'),  # using (resource)
                ('(' + cs_ident + r'|\.)+', Name.Namespace, '#pop')
            ],
            'splice-string':
            [(r'[^"$]', String), (r'\$' + cs_ident, Name),
             (r'(\$)(\()', bygroups(Name,
                                    Punctuation), 'splice-string-content'),
             (r'\\"', String), (r'"', String, '#pop')],
            'splice-string2':
            [(r'[^#<>$]', String), (r'\$' + cs_ident, Name),
             (r'(\$)(\()', bygroups(Name,
                                    Punctuation), 'splice-string-content'),
             (r'<#', String, '#push'), (r'#>', String, '#pop')],
            'recursive-string': [(r'[^#<>]', String), (r'<#', String, '#push'),
                                 (r'#>', String, '#pop')],
            'splice-string-content':
            [(r'if|match', Keyword),
             (r'[~!%^&*+=|\[\]:;,.<>/?-\\"$ ]', Punctuation), (cs_ident, Name),
             (r'\d+', Number), (r'\(', Punctuation, '#push'),
             (r'\)', Punctuation, '#pop')]
        }

    def __init__(self, **options):
        level = get_choice_opt(options, 'unicodelevel', list(self.tokens),
                               'basic')
        if level not in self._all_tokens:
            # compile the regexes now
            self._tokens = self.__class__.process_tokendef(level)
        else:
            self._tokens = self._all_tokens[level]

        RegexLexer.__init__(self, **options)
Exemplo n.º 3
0
class CSharpLexer(RegexLexer):
    """
    For `C# <http://msdn2.microsoft.com/en-us/vcsharp/default.aspx>`_
    source code.

    Additional options accepted:

    `unicodelevel`
      Determines which Unicode characters this lexer allows for identifiers.
      The possible values are:

      * ``none`` -- only the ASCII letters and numbers are allowed. This
        is the fastest selection.
      * ``basic`` -- all Unicode characters from the specification except
        category ``Lo`` are allowed.
      * ``full`` -- all Unicode characters as specified in the C# specs
        are allowed.  Note that this means a considerable slowdown since the
        ``Lo`` category has more than 40,000 characters in it!

      The default value is ``basic``.

      .. versionadded:: 0.8
    """

    name = 'C#'
    aliases = ['csharp', 'c#']
    filenames = ['*.cs']
    mimetypes = ['text/x-csharp']  # inferred

    flags = re.MULTILINE | re.DOTALL | re.UNICODE

    # for the range of allowed unicode characters in identifiers, see
    # http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-334.pdf

    levels = {
        'none':
        '@?[_a-zA-Z]\w*',
        'basic': ('@?[_' + uni.combine('Lu', 'Ll', 'Lt', 'Lm', 'Nl') + ']' +
                  '[' + uni.combine('Lu', 'Ll', 'Lt', 'Lm', 'Nl', 'Nd', 'Pc',
                                    'Cf', 'Mn', 'Mc') + ']*'),
        'full':
        ('@?(?:_|[^' + uni.allexcept('Lu', 'Ll', 'Lt', 'Lm', 'Lo', 'Nl') +
         '])' + '[^' + uni.allexcept('Lu', 'Ll', 'Lt', 'Lm', 'Lo', 'Nl', 'Nd',
                                     'Pc', 'Cf', 'Mn', 'Mc') + ']*'),
    }

    tokens = {}
    token_variants = True

    for levelname, cs_ident in iteritems(levels):
        tokens[levelname] = {
            'root': [
                # method names
                (
                    r'^([ \t]*(?:' + cs_ident +
                    r'(?:\[\])?\s+)+?)'  # return type
                    r'(' + cs_ident + ')'  # method name
                    r'(\s*)(\()',  # signature start
                    bygroups(using(this), Name.Function, Text, Punctuation)),
                (r'^\s*\[.*?\]', Name.Attribute),
                (r'[^\S\n]+', Text),
                (r'\\\n', Text),  # line continuation
                (r'//.*?\n', Comment.Single),
                (r'/[*].*?[*]/', Comment.Multiline),
                (r'\n', Text),
                (r'[~!%^&*()+=|\[\]:;,.<>/?-]', Punctuation),
                (r'[{}]', Punctuation),
                (r'@"(""|[^"])*"', String),
                (r'"(\\\\|\\"|[^"\n])*["\n]', String),
                (r"'\\.'|'[^\\]'", String.Char),
                (r"[0-9](\.[0-9]*)?([eE][+-][0-9]+)?"
                 r"[flFLdD]?|0[xX][0-9a-fA-F]+[Ll]?", Number),
                (r'#[ \t]*(if|endif|else|elif|define|undef|'
                 r'line|error|warning|region|endregion|pragma)\b.*?\n',
                 Comment.Preproc),
                (r'\b(extern)(\s+)(alias)\b', bygroups(Keyword, Text,
                                                       Keyword)),
                (r'(abstract|as|async|await|base|break|by|case|catch|'
                 r'checked|const|continue|default|delegate|'
                 r'do|else|enum|event|explicit|extern|false|finally|'
                 r'fixed|for|foreach|goto|if|implicit|in|interface|'
                 r'internal|is|let|lock|new|null|on|operator|'
                 r'out|override|params|private|protected|public|readonly|'
                 r'ref|return|sealed|sizeof|stackalloc|static|'
                 r'switch|this|throw|true|try|typeof|'
                 r'unchecked|unsafe|virtual|void|while|'
                 r'get|set|new|partial|yield|add|remove|value|alias|ascending|'
                 r'descending|from|group|into|orderby|select|thenby|where|'
                 r'join|equals)\b', Keyword),
                (r'(global)(::)', bygroups(Keyword, Punctuation)),
                (r'(bool|byte|char|decimal|double|dynamic|float|int|long|object|'
                 r'sbyte|short|string|uint|ulong|ushort|var)\b\??',
                 Keyword.Type),
                (r'(class|struct)(\s+)', bygroups(Keyword, Text), 'class'),
                (r'(namespace|using)(\s+)', bygroups(Keyword,
                                                     Text), 'namespace'),
                (cs_ident, Name),
            ],
            'class': [
                (cs_ident, Name.Class, '#pop'),
                default('#pop'),
            ],
            'namespace': [
                (r'(?=\()', Text, '#pop'),  # using (resource)
                ('(' + cs_ident + r'|\.)+', Name.Namespace, '#pop'),
            ]
        }

    def __init__(self, **options):
        level = get_choice_opt(options, 'unicodelevel', list(self.tokens),
                               'basic')
        if level not in self._all_tokens:
            # compile the regexes now
            self._tokens = self.__class__.process_tokendef(level)
        else:
            self._tokens = self._all_tokens[level]

        RegexLexer.__init__(self, **options)
Exemplo n.º 4
0
"""
    pygments.lexers.javascript
    ~~~~~~~~~~~~~~~~~~~~~~~~~~
    Lexers for JavaScript and related languages.
    :copyright: Copyright 2006-2019 by the Pygments team, see AUTHORS.
    :license: BSD, see LICENSE for details.
"""
import re
from pygments.lexer import RegexLexer, include, bygroups, default, using, \
    this, words, combined
from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
    Number, Punctuation, Other
from pygments.util import get_bool_opt
import pygments.unistring as uni
__all__ = ['TypeScriptLexer']
JS_IDENT_START = ('(?:[$_' + uni.combine('Lu', 'Ll', 'Lt', 'Lm', 'Lo', 'Nl') +
                  ']|\\\\u[a-fA-F0-9]{4})')
JS_IDENT_PART = (
    '(?:[$' +
    uni.combine('Lu', 'Ll', 'Lt', 'Lm', 'Lo', 'Nl', 'Mn', 'Mc', 'Nd', 'Pc') +
    u'\u200c\u200d]|\\\\u[a-fA-F0-9]{4})')
JS_IDENT = JS_IDENT_START + '(?:' + JS_IDENT_PART + ')*'


class TypeScriptLexer(RegexLexer):
    """
    For `TypeScript <http://typescriptlang.org/>`_ source code.
    .. versionadded:: 1.6
    """
    name = 'TypeScript'
    aliases = ['ts', 'typescript']
Exemplo n.º 5
0
    :license: BSD, see LICENSE for details.
"""

import re

from pygments.lexer import RegexLexer, include, bygroups, default, using, this
from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
    Number, Punctuation, Other
from pygments.util import get_bool_opt, iteritems
import pygments.unistring as uni

__all__ = ['JavascriptLexer', 'KalLexer', 'LiveScriptLexer', 'DartLexer',
           'TypeScriptLexer', 'LassoLexer', 'ObjectiveJLexer',
           'CoffeeScriptLexer', 'MaskLexer']

JS_IDENT_START = ('(?:[$_' + uni.combine('Lu', 'Ll', 'Lt', 'Lm', 'Lo', 'Nl') +
                  ']|\\\\u[a-fA-F0-9]{4})')
JS_IDENT_PART = ('(?:[$' + uni.combine('Lu', 'Ll', 'Lt', 'Lm', 'Lo', 'Nl',
                                       'Mn', 'Mc', 'Nd', 'Pc') +
                 u'\u200c\u200d]|\\\\u[a-fA-F0-9]{4})')
JS_IDENT = JS_IDENT_START + '(?:' + JS_IDENT_PART + ')*'


class JavascriptLexer(RegexLexer):
    """
    For JavaScript source code.
    """

    name = 'JavaScript'
    aliases = ['js', 'javascript']
    filenames = ['*.js', ]
Exemplo n.º 6
0
    Keyword,
    Name,
    String,
    Number,
    Punctuation,
    Other,
)
from pygments.util import get_bool_opt
import pygments.unistring as uni


def setup(app):
    app.add_lexer("edh", EdhLexer)


EDH_IDENT_START = ("(?:[_" + uni.combine("Lu", "Ll", "Lt", "Lm", "Lo", "Nl") +
                   "]|\\\\u[a-fA-F0-9]{4})")
EDH_IDENT_PART = (
    "(?:[_'" +
    uni.combine("Lu", "Ll", "Lt", "Lm", "Lo", "Nl", "Mn", "Mc", "Nd", "Pc") +
    "\u200c\u200d]|\\\\u[a-fA-F0-9]{4})")
EDH_IDENT = EDH_IDENT_START + "(?:" + EDH_IDENT_PART + ")*"


class EdhLexer(RegexLexer):
    """
    For Edh source code.
    """

    name = "Edh"
    aliases = [
Exemplo n.º 7
0
#!/usr/bin/env python
# vim:fileencoding=utf-8
from __future__ import unicode_literals, division, absolute_import, print_function

__license__ = "GPL v3"
__copyright__ = "2014, Kovid Goyal <kovid at kovidgoyal.net>"

import re

from pygments.lexer import RegexLexer, default, include
from pygments.token import Comment, Punctuation, Number, Keyword, Text, String, Operator, Name
import pygments.unistring as uni

from calibre.gui2.tweak_book.editor.syntax.pygments_highlighter import create_highlighter

JS_IDENT_START = "(?:[$_" + uni.combine("Lu", "Ll", "Lt", "Lm", "Lo", "Nl") + "]|\\\\u[a-fA-F0-9]{4})"
JS_IDENT_PART = (
    "(?:[$"
    + uni.combine("Lu", "Ll", "Lt", "Lm", "Lo", "Nl", "Mn", "Mc", "Nd", "Pc")
    + "\u200c\u200d]|\\\\u[a-fA-F0-9]{4})"
)
JS_IDENT = JS_IDENT_START + "(?:" + JS_IDENT_PART + ")*"


class JavascriptLexer(RegexLexer):

    """
    For JavaScript source code. This is based on the pygments JS highlighter,
    bu that does not handle multi-line comments in streaming mode, so we had to
    modify it.
    """
Exemplo n.º 8
0
class CSharp6Lexer(RegexLexer):
    name = 'C#6'
    aliases = ['csharp6', 'c#6']
    filenames = ['*.cs']
    mimetypes = ['text/x-csharp']

    flags = re.MULTILINE | re.DOTALL | re.UNICODE

    cs_ident = ('@?[_' + uni.combine('Lu', 'Ll', 'Lt', 'Lm', 'Nl') + ']' +
                  '[' + uni.combine('Lu', 'Ll', 'Lt', 'Lm', 'Nl', 'Nd', 'Pc',
                                    'Cf', 'Mn', 'Mc') + ']*')

    tokens = {
        'root': [
            # method names
            (r'^([ \t]*(?:' + cs_ident + r'(?:\[\])?\s+)+?)'  # return type
                r'(' + cs_ident + ')'                            # method name
                r'(\s*)(\()',                               # signature start
                bygroups(using(this), Name.Function, Text, Punctuation)),
            (r'^\s*\[.*?\]', Name.Attribute),
            (r'[^\S\n]+', Text),
            (r'\\\n', Text),  # line continuation
            (r'//.*?\n', Comment.Single),
            (r'/[*].*?[*]/', Comment.Multiline),
            (r'\n', Text),
            (r'[~!%^&*()+=|\[\]:;,.<>/?-]', Punctuation),
            (r'[{}]', Punctuation),
            (r'@\$?"(""|[^"])*"', String),
            (r'"\$?(\\\\|\\"|[^"\n])*["\n]', String),
            (r"'\\.'|'[^\\]'", String.Char),
            (r"[0-9](\.[0-9]*)?([eE][+-][0-9]+)?"
                r"[flFLdD]?|0[xX][0-9a-fA-F]+[Ll]?", Number),
            (r'#[ \t]*(if|endif|else|elif|define|undef|'
                r'line|error|warning|region|endregion|pragma)\b.*?\n',
                Comment.Preproc),
            (r'\b(extern)(\s+)(alias)\b', bygroups(Keyword, Text,
                Keyword)),
            (r'(abstract|as|async|await|base|break|case|catch|'
                r'checked|const|continue|default|delegate|'
                r'do|else|enum|event|explicit|extern|false|finally|'
                r'fixed|for|foreach|goto|if|implicit|in|interface|'
                r'internal|is|lock|new|null|operator|'
                r'out|override|params|private|protected|public|readonly|'
                r'ref|return|sealed|sizeof|stackalloc|static|'
                r'switch|this|throw|true|try|typeof|'
                r'unchecked|unsafe|virtual|var|void|while|'
                r'get|set|new|partial|yield|add|remove|value|alias|ascending|'
                r'descending|from|group|into|orderby|select|where|'
                r'join|equals)\b', Keyword),
            (r'(global)(::)', bygroups(Keyword, Punctuation)),
            (r'(bool|byte|char|decimal|double|dynamic|float|int|long|object|'
                r'sbyte|short|string|uint|ulong|ushort|var)\b\??', Keyword.Type),
            (r'(class|struct)(\s+)', bygroups(Keyword, Text), 'class'),
            (r'(namespace|using)(\s+)', bygroups(Keyword, Text), 'namespace'),
            (cs_ident, Name),
        ],
        'class': [
            (cs_ident, Name.Class, '#pop'),
            default('#pop'),
        ],
        'namespace': [
            (r'(?=\()', Text, '#pop'),  # using (resource)
            ('(' + cs_ident + r'|\.)+', Name.Namespace, '#pop'),
        ]
    }