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# JOE syntax highlight file for C#
# Based on Java highlighter

=Idle
=Ident
=Preproc
=Precondit	+Preproc
=Define		+Preproc
=DefinedIdent	+Ident
=Comment
=DocComment	+Comment
=Constant
=String		+Constant
=Character	+Constant +String
=Number		+Constant
=Boolean	+Constant
=Escape
=StringEscape	+Escape
=CharacterEscape +Escape
=Type
=Structure	+Keyword
=StorageClass	+Type +Keyword
=Modifier	+StorageClass
=Keyword
=Operator	+Keyword
=Statement	+Keyword
=Loop		+Statement
=Conditional	+Statement
=Label		+DefinedIdent
=Bad
=Brace
=Control

:begin Idle
	*	begin	noeat call=.csharp()

.subr csharp

:reset Idle
	*		first		noeat
	" \t"		reset

:first Idle
	*		idle		noeat
	"#"		pre		mark

:pre Preproc
	*		pre		noeat
	"a-zA-Z"	preident	recolor=-1 buffer
	" \t"		pre
	"\n"		reset

:preident Preproc
	*		preunknown	markend recolormark strings
	"if"		precondit	markend recolormark
	"else"		precondit	markend recolormark
	"elif"		precondit	markend recolormark
	"endif"		precondit	markend recolormark
	"region"	preregion	markend recolormark
	"endregion"	preregion	markend recolormark
	"define"	predefine	markend recolormark
	"undef"		predefine	markend recolormark
	"warning"	preregion	markend recolormark
	"error"		preregion	markend recolormark
	"line"		prebody		markend recolormark
done
	"a-z"		preident

:prebody Preproc
	*		prebody
	"\n"		reset

:precondit Precondit
	*		precondit
	"\n"		reset

:preregion Preproc
	*		preregion_text
	"\n"		reset

:preregion_text Comment
	*		preregion_text
	"\n"		reset

:predefine Define
	*		predefine_text	noeat
	" \t"		predefine
	"\n"		reset

:predefine_text DefinedIdent
	*		predefine_text
	" \t"		predefine_value
	"\n"		reset

:predefine_value Idle
	*		predefine_value
	"\n"		reset

:preunknown Preproc
	*		preunknown
	"\n"		reset

:idle Idle
	*		idle
	"\n"		reset
	"/"		slash
	"0"		first_digit	recolor=-1
	"1-9"		decimal		recolor=-1
	"."		maybe_float
	"\""		string		recolor=-1
	"@"		forcedliteral	recolor=-1
	"'"		char		recolor=-1
	"\i"		ident		buffer
	"{}"		brace		recolor=-1
	",:;=()><[]*&|!~+\-%^"	control	recolor=-1

:maybe_done Control
	*	idle	noeat
	"/"	idle	noeat return recolor=-2

:brace Brace
	*	idle	noeat

:control Control
	*	idle	noeat

:forcedliteral Ident
	*		idle		noeat
	"\i"		ident		recolor=-2
	"\""		forcedstring	recolor=-2

:forcedstring String string
	*		forcedstring
	"\""		forcedstringquot

:forcedstringquot String string
	*		idle			noeat
	"\""		forcedstring			# @"This -> "" <- is a literal quote"

:slash Idle
	*		idle			noeat
	"*"		comment			recolor=-2
	"/"		maybe_line_comment	recolor=-2

:comment Comment
	*		comment
	"BFHNTX"	comment			noeat call=comment_todo.comment_todo()
	"*"		maybe_end_comment

:maybe_end_comment Comment
	*		comment
	"/"		idle
	"*"		maybe_end_comment

:maybe_line_comment Comment
	*		line_comment		noeat recolor=-1
	"/"		doc_comment		recolor=-3

:line_comment Comment
	*		line_comment
	"BFHNTX"	line_comment		noeat call=comment_todo.comment_todo()
	"\n"		reset

:doc_comment DocComment
	*		doc_comment
	"BFHNTX"	doc_comment		noeat call=comment_todo.comment_todo()
	"\n"		reset

:first_digit Number
	*		idle	noeat
	"xX"		hex
	"."		float
	"eE"		epart
	"0-7"		octal
	"89"		bad_number	recolor=-1

:bad_number Bad
	*		idle	noeat
	"0-9"		bad_number

:octal Number
	*		idle	noeat
	"0-7"		octal
	"89"		bad_number	recolor=-1

:hex Number
	*		idle	noeat
	"0-9A-Fa-f"	hex

:decimal Number
	*		idle	noeat
	"0-9"		decimal
	"eE"		epart
	"."		float

:maybe_float Number
	*		idle	recolor=-2	noeat
	"0-9"		float		recolor=-2

:float Number
	*		idle	noeat
	"eE"		epart
	"0-9"		float

:epart Number
	*		idle	noeat
	"0-9+\-"	enum

:enum Number
	*		idle	noeat
	"0-9"		enum

:string	String string
	*		string
	"\""		idle
	"\\"		string_escape		recolor=-1
	"{"		maybe_string_control	recolor=-1
	"}"		maybe_control_end	recolor=-1

:string_escape StringEscape string
	*		string
	"xu"		string_hex_4  # Yes, \x has up to 4 numbers in C#
	"U"		string_hex_8
	"0-7"		string_octal2
	"\n"		string		recolor=-2

# Eight all-purpose (hex/unicode short/unicode long) states for hexadecimal
# escape sequences

:string_hex_8 StringEscape string
	*		string		noeat
	"0-9a-fA-F"	string_hex_7

:string_hex_7 StringEscape string
	*		string		noeat
	"0-9a-fA-F"	string_hex_6

:string_hex_6 StringEscape string
	*		string		noeat
	"0-9a-fA-F"	string_hex_5

:string_hex_5 StringEscape string
	*		string		noeat
	"0-9a-fA-F"	string_hex_4

:string_hex_4 StringEscape string
	*		string		noeat
	"0-9a-fA-F"	string_hex_3

:string_hex_3 StringEscape string
	*		string		noeat
	"0-9a-fA-F"	string_hex_2

:string_hex_2 StringEscape string
	*		string		noeat
	"0-9a-fA-F"	string_hex_1

:string_hex_1 StringEscape string
	*		string		noeat
	"0-9a-fA-F"	string

:string_octal2 StringEscape string
	*		string		noeat
	"0-7"		string_octal3

:string_octal3 StringEscape string
	*		string		noeat
	"0-7"		string

:maybe_string_control StringEscape string
	*		string 		noeat recolor=-2
	"0-9"		string_control
	"{"		string

:string_control StringEscape string
	*		string_control
	"\""		string		noeat
	"}"		string

:maybe_control_end StringEscape string
	*		string		noeat recolor=-2
	"}"		string

:char Character string
	*		char
	"\n"		reset
	"'"		idle
	"\\"		char_escape	recolor=-1

:char_escape CharacterEscape string
	*		char
	"xu"		char_hex4
	"U"		char_hex8
	"0-7"		char_octal2
	"\n"		char		recolor=-2

:char_hex8 CharacterEscape string
	*		char		noeat
	"0-9a-fA-F"	char_hex7

:char_hex7 CharacterEscape string
	*		char		noeat
	"0-9a-fA-F"	char_hex6

:char_hex6 CharacterEscape string
	*		char		noeat
	"0-9a-fA-F"	char_hex5

:char_hex5 CharacterEscape string
	*		char		noeat
	"0-9a-fA-F"	char_hex4

:char_hex4 CharacterEscape string
	*		char		noeat
	"0-9a-fA-F"	char_hex3

:char_hex3 CharacterEscape string
	*		char		noeat
	"0-9a-fA-F"	char_hex2

:char_hex2 CharacterEscape string
	*		char		noeat
	"0-9a-fA-F"	char_hex1

:char_hex1 CharacterEscape string
	*		char		noeat
	"0-9a-fA-F"	char

:char_octal2 CharacterEscape string
	*		char		noeat
	"0-7"		char_octal3

:char_octal3 CharacterEscape string
	*		char		noeat
	"0-7"		char

:ident Ident		# http://msdn.microsoft.com/en-us/library/x53a06bb.aspx
	*		idle		noeat strings
	"abstract"	modifier
	"as"		operator
	"base"		kw
	"break"		loop
	"case"		label
	"catch"		stmt
	"checked"	operator
	"class"		struct
	"const"		storage
	"continue"	loop
	"default"	label
	"delegate"	kw
	"do"		loop
	"else"		cond
	"enum"		struct
	"event"		kw
	"explicit"	kw
	"extern"	modifier
	"finally"	stmt
	"fixed"		kw
	"for"		loop
	"foreach"	loop
	"goto"		loop
	"if"		cond
	"implicit"	kw
	"in"		operator
	"interface"	struct
	"internal"	modifier
	"is"		operator
	"lock"		stmt
	"nameof"	kw
	"namespace"	struct
	"new"		operator
	"operator"	kw
	"out"		storage
	"override"	storage
	"params"	kw
	"private"	modifier
	"protected"	modifier
	"public"	modifier
	"readonly"	modifier
	"ref"		storage
	"return"	stmt
	"sealed"	modifier
	"sizeof"	operator
	"stackalloc"	storage
	"static"	modifier
	"struct"	struct
	"switch"	cond
	"this"		kw
	"throw"		stmt
	"try"		stmt
	"typeof"	operator
	"unchecked"	operator
	"unsafe"	kw
	"using"		stmt
	"virtual"	modifier
	"volatile"	modifier
	"while"		loop
	
	# Types
	
	"bool"		type
	"Boolean"	type
	"byte"		type
	"Byte"		type
	"char"		type
	"Character"	type
	"decimal"	type
	"double"	type
	"Double"	type
	"float"		type
	"Float"		type
	"int"		type
	"Integer"	type
	"int16"		type
	"Int16"		type
	"int32"		type
	"Int32"		type
	"int64"		type
	"Int64"		type
	"IntPtr"	type
	"long"		type
	"object"	type
	"Object"	type
	"sbyte"		type
	"short"		type
	"string"	type
	"String"	type
	"uint"		type
	"uint16"	type
	"uint32"	type
	"uint64"	type
	"ulong"		type
	"ushort"	type
	"void"		type
	
	
	# These are "contextual" keywords.  Should try to do a better and
	# and find the context (most are LINQ), but it may not be possible
	# in all cases:
	
	"add"		kw
	"alias"		kw
	"ascending"	kw
	"async"		kw
	"await"		kw
	"descending"	kw
	"dynamic"	type
	"from"		kw
	"get"		kw
	"global"	kw
	"group"		kw
	"into"		kw
	"join"		kw
	"let"		kw
	"orderby"	kw
	"partial"	kw
	"remove"	kw
	"select"	kw
	"set"		kw
	"value"		kw
	"var"		type
	"where"		kw
	"yield"		kw
	
	# Literals
	
	"true"		bool
	"false"		bool
	"null"		lit
done
	"\c"		ident

:type Type
	*	idle	noeat

:kw Keyword
	*	idle	noeat

:stmt Statement
	*	idle	noeat

:cond Conditional
	*	idle	noeat

:loop Loop
	*	idle	noeat

:struct Structure
	*	idle	noeat

:storage StorageClass
	*	idle	noeat

:modifier Modifier
	*	idle	noeat

:bool Boolean
	*	idle	noeat

:lit Constant
	*	idle	noeat

:operator Operator
	*	idle	noeat

.end
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