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

=Idle
=Preproc 	yellow
=Comment 	green
=DocComment	bold blue
=Constant 	cyan
=Escape 	bold cyan
=Type 		bold blue
=Keyword 	blue
=Operator	blue
=Bad		bold red
=Brace		magenta
=Control

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

.subr csharp

:reset Idle
	*		first		noeat
	" \t"		reset

:first Idle
	*		idle		noeat
	"#"		pre		recolor=-1

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

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

:prebody Preproc
	*		prebody
	"\n"		reset

:preregion Preproc
	*		preregion_text
	"\n"		reset

:preregion_text Constant
	*		preregion_text
	"\n"		reset

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

:predefine_text Constant
	*		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 Idle
	*		idle		noeat
	"\i"		ident		recolor=-2
	"\""		forcedstring	recolor=-2

:forcedstring Constant
	*		forcedstring
	"\""		forcedstringquot

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

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

:comment Comment
	*		comment
	"*"		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
	"\n"		reset

:doc_comment DocComment
	*		doc_comment
	"\n"		reset

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

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

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

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

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

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

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

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

:string_escape Escape
	*		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 Escape
	*		string		noeat
	"0-9a-fA-F"	string_hex_7

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

:char_octal2 Escape
	*		char		noeat
	"0-7"		char_octal3

:char_octal3 Escape
	*		char		noeat
	"0-7"		char

:ident Idle		# http://msdn.microsoft.com/en-us/library/x53a06bb.aspx
	*		idle		noeat strings
	"abstract"	kw
	"as"		operator
	"base"		kw
	"break"		kw
	"case"		kw
	"catch"		kw
	"checked"	operator
	"class"		kw
	"const"		kw
	"continue"	kw
	"default"	kw
	"delegate"	kw
	"do"		kw
	"else"		kw
	"enum"		kw
	"event"		kw
	"explicit"	kw
	"extern"	kw
	"finally"	kw
	"fixed"		kw
	"for"		kw
	"foreach"	kw
	"goto"		kw
	"if"		kw
	"implicit"	kw
	"in"		operator
	"interface"	kw
	"internal"	kw
	"is"		kw
	"lock"		kw
	"nameof"	kw
	"namespace"	kw
	"new"		operator
	"operator"	kw
	"out"		kw
	"override"	kw
	"params"	kw
	"private"	kw
	"protected"	kw
	"public"	kw
	"readonly"	kw
	"ref"		kw
	"return"	kw
	"sealed"	kw
	"sizeof"	operator
	"stackalloc"	kw
	"static"	kw
	"struct"	kw
	"switch"	kw
	"this"		kw
	"throw"		kw
	"try"		kw
	"typeof"	operator
	"unchecked"	operator
	"unsafe"	kw
	"using"		kw
	"virtual"	kw
	"volatile"	kw
	"while"		kw
	
	# 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
	"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"		lit
	"false"		lit
	"null"		lit
done
	"\c"		ident

:type Type
	*	idle	noeat

:kw Keyword
	*	idle	noeat

:lit Constant
	*	idle	noeat

:operator Operator
	*	idle	noeat

.end
