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# JOE syntax highlight file for assembly language

# Highlights ';' comments, C-preprocessor stuff and C-like constants.

# Some assembly languages do not use C-preprocessor and use '#' for
# comments.  For them, eliminate all states up to ':idle'. and change the
# ";" line in 'idle' to '#'.

# For UNIX assembly ';' actually separates instructions, but I've only seen
# this for 'rep; movsb'.  If it bothers you eliminate the ';' line in
# ':idle'.

# This highlighter is too strict for numeric constants.  Many assembly
# languages allow '000009', which looks like a bad octal constant in C/UNIX.

=Idle
=Bad		bold red
=Preproc 	blue
=Define		bold blue
=Comment 	green
=IncLocal	cyan
=IncSystem	bold cyan
=Constant 	cyan
=Escape 	bold cyan
=Type 		bold
=Keyword 	bold
=CppKeyword	bold
=Brace
=Control

:reset Idle
	*		first		noeat
	" \t"		reset

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

:pre Preproc
	*		preproc		noeat
	" \t"		pre
	"a-z"		preident	recolor=-1 buffer

:preident Preproc
	*		preproc		noeat strings
	"define"	predef
	"include"	preinc
done
	"a-z"		preident

:preinc Preproc
	*		preinc
	" \t"		preinc_ws
	"\n"		reset
	
:preinc_ws Preproc
	*		prebad		recolor=-1
	" \t"		preinc_ws
	"\""		preinc_local	recolor=-1
	"<"		preinc_system	recolor=-1

:preinc_local IncLocal
	*		preinc_local
	"\"\n"		reset
	
:preinc_system IncSystem
	*		preinc_system
	">\n"		reset

:prebad	Bad	
	*		prebad
	"\n"		reset


:predef Preproc
	*		predef
	" \t"		predef_ws
	"\n"		reset
	
:predef_ws Preproc
	*		prebad		recolor=-1
	" \t"		predef_ws
	"a-zA-Z0-9_"	predef_ident	recolor=-1

:predef_ident Define
	*		idle		noeat
	"a-zA-Z0-9_"	predef_ident


:preproc Preproc
	*		preproc
	"\n"		reset
	"\\"		preproc_cont
	"/"		preproc_slash
	
:preproc_slash Preproc
	*		preproc		noeat
	"*"		comment		recolor=-2
	"/"		line_comment	recolor=-2
	
:preproc_cont Preproc
	*		preproc_cont
	"\n"		preproc

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

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

:brace Brace
	*	idle	noeat

:control Control
	*	idle	noeat

:slash Idle
	*		idle		noeat recolor=-2	# Not sure about this
	"*"		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

: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
	"%"		string_control	recolor=-1

:string_escape Escape
	*		string
	"x"		string_hex1
	"0-7"		string_octal2
	"\n"		string		recolor=-2

:string_hex1 Escape
	*		string		noeat
	"0-9a-fA-F"	string_hex2

:string_hex2 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

:string_control Escape
	*		string_control
	"\n"		reset
	"diouxXeEfFgGaAcspn%SC"	string

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

:char_escape	Escape
	*		char
	"x"		char_hex1
	"0-7"		char_octal2
	"\n"		char		recolor=-2

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

:char_hex2 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
	*		idle		noeat
	"a-zA-Z0-9_"	ident