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# JOE syntax highlight file for Verilog

# Define colors

=Idle
=Preproc bold blue
=Comment green
=Constant cyan
=Escape bold cyan
=Type bold
=Keyword bold

# Skip whitespace at start of line
:reset Idle
	*		first		noeat
	" 	"	reset

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

:pre Preproc
	*		idle		noeat
	"a-zA-Z_"	preident	recolor=-1 buffer

:preident Idle
	*		idle		noeat strings
	"ifdef"		preproc
	"else"		preproc
	"endif"		preproc
	"timescale"	preproc
	"define"	preproc
	"include"	preproc
	"resetall"	preproc
	"signed"	preproc
	"unsigned"	preproc
	"celldefine"	preproc
	"endcelldefine"	preproc
	"default_nettype"	preproc
	"unconnected_drive"	preproc
	"nounconnected_drive"	preproc
	"protect"	preproc
	"endprotect"	preproc
	"protected"	preproc
	"endprotected"	preproc
	"expand_vectornets"	preproc
	"noexpand_vectornets"	preproc
	"autoexpand_vectornets"	preproc
	"remove_gatename"	preproc
	"noremove_gatename"	preproc
	"remove_netname"	preproc
	"noremove_netname"	preproc
done
	"a-zA-Z0-9_"	preident

:preproc Preproc
	*		idle		noeat

# All following states are for when we're not in a preprocessor line

:idle Idle
	*		idle
	"\n"		reset
	"/"		slash
	"0-9"		first_digit	recolor=-1
	"."		maybe_float
	"\""		string		recolor=-1
	"'"		sized_number	recolor=-1
	"a-zA-Z_"	ident		buffer

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

:comment Comment
	*		comment
	"*"		maybe_end_comment

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

:line_comment Comment
	*		line_comment
	"\n"		reset

# Integer constants

:first_digit Constant
	*		idle	noeat
	"'"		sized_number
	"."		float
	"0-9"		first_digit

:sized_number Constant
	*		idle	noeat
	"hH"		hex_number
	"oO"		octal_number
	"bB"		binary_number
	"dD"		decimal_number

:hex_number Constant
	*		idle	noeat
	"0-9A-Fa-f_xz"	hex_number

:binary_number Constant
	*		idle	noeat
	"01_xz"		binary_number

:octal_number Constant
	*		idle	noeat
	"0-7_xz"	octal_number

:decimal_number Constant
	*		idle	noeat
	"0-9_"		decimal_number

# Floating point

: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

# Strings

:string	Constant
	*		string
	"\n"		reset
	"\""		idle
	"\\"		string_escape	recolor=-1
	"%"		string_control	recolor=-1

:string_escape Escape
	*		string
	"\n"		string		recolor=-2

:string_control Escape
	*		string_control
	"\n"		reset
	"efghdobcvstmEFGHDOBCVSTM%"	string

# Identifiers

:ident	Idle
	*		idle		noeat strings
	"always"	kw
	"assign"	kw
	"begin"		kw
	"case"		kw
	"casex"		kw
	"casez"		kw
	"default"	kw
	"defparam"	kw
	"else"		kw
	"end"		kw
	"endcase"	kw
	"endfunction"	kw
	"endmodule"	kw
	"endtask"	kw
	"for"		kw
	"function"	kw
	"if"		kw
	"module"	kw
	"parameter"	kw
	"repeat"	kw
	"task"		kw
	"while"		kw
	"forever"	kw
	"initial"	kw
	"integer"	type
	"inout"		type
	"input"		type
	"output"	type
	"reg"		type
	"real"		type
	"wire"		type
	"wor"		type
	"wand"		type
	"and"		kw
	"attribute"	kw
	"buf"		kw
	"bufif0"	kw
	"bufif1"	kw
	"cmos"		kw
	"deassign"	kw
	"disable"	kw
	"edge"		kw
	"endattribute"	kw
	"endprimitive"	kw
	"endspecify"	kw
	"endtable"	kw
	"event"		kw
	"force"		kw
	"fork"		kw
	"highz0"	kw
	"highz1"	kw
	"join"		kw
	"large"		kw
	"macromodule"	kw
	"medium"	kw
	"nand"		kw
	"negedge"	kw
	"nmos"		kw
	"nor"		kw
	"not"		kw
	"notif0"	kw
	"notif1"	kw
	"or"		kw
	"pmos"		kw
	"posedge"	kw
	"primitive"	kw
	"pull0"		kw
	"pull1"		kw
	"pulldown"	kw
	"pullup"	kw
	"rcmos"		kw
	"realtime"	kw
	"release"	kw
	"rnmos"		kw
	"rpmos"		kw
	"rtran"		kw
	"rtranif0"	kw
	"rtranif1"	kw
	"scalared"	kw
	"signed"	kw
	"small"		kw
	"specify"	kw
	"specparam"	kw
	"strength"	kw
	"strong0"	kw
	"strong1"	kw
	"supply0"	kw
	"supply1"	kw
	"table"		kw
	"time"		kw
	"tran"		kw
	"tranif0"	kw
	"tranif1"	kw
	"tri"		kw
	"tri0"		kw
	"tri1"		kw
	"triand"	kw
	"trior"		kw
	"trireg"	kw
	"unsigned"	kw
	"vectored"	kw
	"wait"		kw
	"weak0"		kw
	"weak1"		kw
	"xnor"		kw
	"xor"		kw
done
	"a-zA-Z0-9_"	ident

:type Type
	*	idle	noeat

:kw Keyword
	*	idle	noeat