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# -*- coding: utf-8 -*-
"""
pygments.lexers.dotnet
~~~~~~~~~~~~~~~~~~~~~~
.net languages
:copyright: 2006 by Georg Brandl, Armin Ronacher.
:license: BSD, see LICENSE for more details.
"""
import re
from pygments.lexer import RegexLexer, bygroups, using, this
from pygments.token import \
Text, Comment, Operator, Keyword, Name, String, Number, Literal
__all__ = ['CSharpLexer', 'BooLexer', 'VbNetLexer']
class CSharpLexer(RegexLexer):
name = 'C#'
aliases = ['csharp', 'c#']
filenames = ['*.cs']
mimetypes = ['text/x-csharp'] # inferred
flags = re.MULTILINE | re.DOTALL
tokens = {
'root': [
# method names
(r'^([ \t]*(?:[a-zA-Z_][a-zA-Z0-9_\.]*\s+)+?)' # return arguments
r'([a-zA-Z_][a-zA-Z0-9_]*)' # method name
r'(\s*\([^;]*?\))' # signature
r'(?=(?:\s|//.*?\n|/[*].*?[*]/)+\{)', # lookahead for {
bygroups(using(this), Name.Function, using(this))),
(r'^\s*\[.*?\]', Name.Attribute),
(r'[^\S\n]+', Text),
(r'\\\n', Text), # line continuation
(r'//.*?\n', Comment),
(r'/[*](.|\n)*?[*]/', Comment),
(r'\n', Text),
(r'[~!%^&*()+=|\[\]:;,.<>/?-]', Text),
(r'[{}]', Keyword),
(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)\b.*?\n', Comment.Preproc),
(r'(abstract|case|as|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|nwe|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|void|while|'
r'get|set|new)\b', Keyword),
(r'(bool|byte|char|decimal|double|float|int|long|object|sbyte|'
r'short|string|uint|ulong|ushort)\b', Keyword.Type),
(r'(class|struct)(\s+)', bygroups(Keyword, Text), 'class'),
(r'(namespace|using)(\s+)', bygroups(Keyword, Text), 'namespace'),
('[a-zA-Z_][a-zA-Z0-9_]*', Name),
],
'class': [
(r'[a-zA-Z_][a-zA-Z0-9_]*', Name.Class, '#pop')
],
'namespace': [
(r'(?=\()', Text, '#pop'), # using (resource)
(r'[a-zA-Z_][a-zA-Z0-9_.]*', Name.Namespace, '#pop')
]
}
class BooLexer(RegexLexer):
name = 'Boo'
aliases = ['boo']
filenames = ['*.boo']
mimetypes = ['text/x-boo']
tokens = {
'root': [
(r'\s+', Text),
(r'(#|//).*$', Comment),
(r'/[*]', Comment, 'comment'),
(r'[]{}:(),.;[]', Text),
(r'\\\n', Text),
(r'\\', Text),
(r'(in|is|and|or|not)\b', Operator.Word),
(r'/(\\\\|\\/|[^/\s])/', String.Regex),
(r'@/(\\\\|\\/|[^/])*/', String.Regex),
(r'=~|!=|==|<<|>>|[-+/*%=<>&^|]', Operator),
(r'(as|abstract|callable|constructor|destructor|do|import|'
r'enum|event|final|get|interface|internal|of|override|'
r'partial|private|protected|public|return|set|static|'
r'struct|transient|virtual|yield|super|and|break|cast|'
r'continue|elif|else|ensure|except|for|given|goto|if|in|'
r'is|isa|not|or|otherwise|pass|raise|ref|try|unless|when|'
r'while|from|as)\b', Keyword),
(r'def(?=\s+\(.*?\))', Keyword),
(r'(def)(\s+)', bygroups(Keyword, Text), 'funcname'),
(r'(class)(\s+)', bygroups(Keyword, Text), 'classname'),
(r'(namespace)(\s+)', bygroups(Keyword, Text), 'namespace'),
(r'(?<!\.)(true|false|null|self|__eval__|__switch__|array|'
r'assert|checked|enumerate|filter|getter|len|lock|map|'
r'matrix|max|min|normalArrayIndexing|print|property|range|'
r'rawArrayIndexing|required|typeof|unchecked|using|'
r'yieldAll|zip)\b', Name.Builtin),
('"""(\\\\|\\"|.*?)"""', String.Double),
('"(\\\\|\\"|[^"]*?)"', String.Double),
("'(\\\\|\\'|[^']*?)'", String.Single),
('[a-zA-Z_][a-zA-Z0-9_]*', Name),
(r'(\d+\.\d*|\d*\.\d+)([fF][+-]?[0-9]+)?', Number.Float),
(r'[0-9][0-9\.]*(m|ms|d|h|s)', Number),
(r'0\d+', Number.Oct),
(r'0x[a-fA-F0-9]+', Number.Hex),
(r'\d+L', Number.Integer.Long),
(r'\d+', Number.Integer),
],
'comment': [
('/[*]', Comment.Multiline, '#push'),
('[*]/', Comment.Multiline, '#pop'),
('[^/*]', Comment.Multiline),
('[*/]', Comment.Multiline)
],
'funcname': [
('[a-zA-Z_][a-zA-Z0-9_]*', Name.Function, '#pop')
],
'classname': [
('[a-zA-Z_][a-zA-Z0-9_]*', Name.Class, '#pop')
],
'namespace': [
('[a-zA-Z_][a-zA-Z0-9_.]*', Name.Namespace, '#pop')
]
}
class VbNetLexer(RegexLexer):
name = 'VB.net'
aliases = ['vb.net', 'vbnet']
filenames = ['*.vb', '*.bas']
mimetypes = ['text/x-vbnet', 'text/x-vba'] # (?)
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|#End\s+If|#Const|'
r'#ExternalSource.*?\n|#End\s+ExternalSource|'
r'#Region.*?\n|#End\s+Region|#ExternalChecksum',
Comment.Preproc),
(r'[\(\){}!#,.:]', Text),
(r'Option\s+(Strict|Explicit|Compare)\s+'
r'(On|Off|Binary|Text)', Keyword.Declaration),
(r'(?<!\.)(AddHandler|Alias|'
r'ByRef|ByVal|Call|Case|Catch|CBool|CByte|CChar|CDate|'
r'CDec|CDbl|CInt|CLng|CObj|Const|Continue|CSByte|CShort|'
r'CSng|CStr|CType|CUInt|CULng|CUShort|Declare|'
r'Default|Delegate|Dim|DirectCast|Do|Each|Else|ElseIf|'
r'End|EndIf|Enum|Erase|Error|Event|Exit|False|Finally|For|'
r'Friend|Function|Get|Global|GoSub|GoTo|Handles|If|'
r'Implements|Imports|Inherits|Interface|'
r'Let|Lib|Loop|Me|Module|MustInherit|'
r'MustOverride|MyBase|MyClass|Namespace|Narrowing|New|Next|'
r'Not|Nothing|NotInheritable|NotOverridable|Of|On|'
r'Operator|Option|Optional|Overloads|Overridable|'
r'Overrides|ParamArray|Partial|Private|Property|Protected|'
r'Public|RaiseEvent|ReadOnly|ReDim|RemoveHandler|Resume|'
r'Return|Select|Set|Shadows|Shared|Single|'
r'Static|Step|Stop|Structure|Sub|SyncLock|Then|'
r'Throw|To|True|Try|TryCast|Wend|'
r'Using|When|While|Widening|With|WithEvents|'
r'WriteOnly)\b', Keyword),
(r'(?<!\.)(Function|Sub|Property)(\s+)',
bygroups(Keyword, Text), 'funcname'),
(r'(?<!\.)(Class|Structure|Enum)(\s+)',
bygroups(Keyword, Text), 'classname'),
(r'(?<!\.)(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'),
('[a-zA-Z_][a-zA-Z0-9_]*[%&@!#$]?', Name),
('#.*?#', Literal.Date),
(r'(\d+\.\d*|\d*\.\d+)([fF][+-]?[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),
(r'_\n', Text), # Line continuation
],
'string': [
(r'""', String),
(r'"C?', String, '#pop'),
(r'[^"]+', String),
],
'funcname': [
(r'[a-z_][a-z0-9_]*', Name.Function, '#pop')
],
'classname': [
(r'[a-z_][a-z0-9_]*', Name.Class, '#pop')
],
'namespace': [
(r'[a-z_][a-z0-9_.]*', Name.Namespace, '#pop')
],
}
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