# JOE syntax highlight file for Terraform (or "HashiCorp configuration language")

=Idle
=Comment	green
=CommentLabel	bold green
=Constant	cyan
=Escape		bold cyan
=Bad		bold red

=Keyword	fg_310 # brown
=Interpolate	magenta
=InterpolateVar	bold magenta

:idle Idle
	*		idle
	"#"		line_comment	recolor=-1
	"/"		maybe_comment
	"0-9"		number		recolor=-1
	"\""		string		recolor=-1
	"a-zA-Z_"	ident		buffer

:line_comment Comment
	*		line_comment
	"\n"		idle

:maybe_comment Idle
	*		idle		noeat
	"*"		comment		recolor=-2

:comment Comment
	*		comment
	# might be TODO label
	"BFHNTX"	comment		noeat call=.comment_todo()
	"*"		maybe_end_comment

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

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

:string Constant
	*		string
	"$"		maybe_interpolate
	"\""		idle

:maybe_interpolate Constant
	*		idle		noeat
	"{"		interpolate	recolor=-2

:interpolate Interpolate
	*		interpolate
	"\""		interpolate_string	recolor=-1
	"0-9"		interpolate_number	recolor=-1
	"*"		interpolate_star	recolor=-1
	"a-zA-Z"	interpolate_ident	buffer
	"}"		string

:interpolate_string Constant
	*		interpolate_string
	"\""		interpolate

:interpolate_number Constant
	*		interpolate	noeat
	"0-9"		interpolate_number

:interpolate_star Constant
	*		interpolate	noeat

:interpolate_ident Interpolate
	*		interpolate	noeat strings
	"count"		var
	"data"		var
	"element"	func
	"module"	var
	"path"		var
	"self"		var
#	"terraform"	var
	"var"		var
done
	"a-zA-Z"	interpolate_ident

:var InterpolateVar
	*		interpolate	noeat

:func InterpolateVar
	*		interpolate	noeat

:ident Idle
	*		idle		noeat strings
	"false"		bool
	"module"	kw
	"resource"	kw
	"true"		bool
done
	"a-zA-Z_"	ident

:kw Keyword
	*		idle		noeat
	
:bool Constant
	*		idle		noeat

.subr comment_todo
# initial state
:comment_todo_init Comment
	*		comment_todo_guess	buffer

# highlight common TODO labels
:comment_todo_guess Comment
	*		comment_todo_unknown	noeat strings
	"BUG"		comment_todo
	"FIXME"		comment_todo
	"HACK"		comment_todo
	"NOTE"		comment_todo
	"TODO"		comment_todo
	"XXX"		comment_todo
done
	"A-Z"		comment_todo_guess

:comment_todo_unknown Comment
	*		NULL		noeat return

:comment_todo CommentLabel
	*		NULL		noeat return
.end