isabelle: src/Pure/context_position.ML@e65a122057ad (annotated)

28405 000dee6d5d80 Context position visibility. wenzelm parents: diff changeset	1	(* Title: Pure/context_position.ML
000dee6d5d80 Context position visibility. wenzelm parents: diff changeset	2	Author: Makarius
000dee6d5d80 Context position visibility. wenzelm parents: diff changeset	3
28409 a1feb819b0a2 renamed report to report_visible; wenzelm parents: 28405 diff changeset	4	Context position visibility flag.
28405 000dee6d5d80 Context position visibility. wenzelm parents: diff changeset	5	*)
000dee6d5d80 Context position visibility. wenzelm parents: diff changeset	6
000dee6d5d80 Context position visibility. wenzelm parents: diff changeset	7	signature CONTEXT_POSITION =
000dee6d5d80 Context position visibility. wenzelm parents: diff changeset	8	sig
000dee6d5d80 Context position visibility. wenzelm parents: diff changeset	9	val is_visible: Proof.context -> bool
000dee6d5d80 Context position visibility. wenzelm parents: diff changeset	10	val set_visible: bool -> Proof.context -> Proof.context
000dee6d5d80 Context position visibility. wenzelm parents: diff changeset	11	val restore_visible: Proof.context -> Proof.context -> Proof.context
38831 4933a3dfd745 more careful treatment of context visibility flag wrt. spurious warnings; wenzelm parents: 38481 diff changeset	12	val if_visible: Proof.context -> ('a -> unit) -> 'a -> unit
39507 839873937ddd tuned signature of (Context_)Position.report variants; wenzelm parents: 39440 diff changeset	13	val reported_text: Proof.context -> Position.T -> Markup.T -> string -> string
839873937ddd tuned signature of (Context_)Position.report variants; wenzelm parents: 39440 diff changeset	14	val report_text: Proof.context -> Position.T -> Markup.T -> string -> unit
839873937ddd tuned signature of (Context_)Position.report variants; wenzelm parents: 39440 diff changeset	15	val report: Proof.context -> Position.T -> Markup.T -> unit
28405 000dee6d5d80 Context position visibility. wenzelm parents: diff changeset	16	end;
000dee6d5d80 Context position visibility. wenzelm parents: diff changeset	17
33383 12d79ece3f7e modernized structure Context_Position; wenzelm parents: 29606 diff changeset	18	structure Context_Position: CONTEXT_POSITION =
28405 000dee6d5d80 Context position visibility. wenzelm parents: diff changeset	19	struct
000dee6d5d80 Context position visibility. wenzelm parents: diff changeset	20
39508 dfacdb01e1ec simplified some internal flags using Config.T instead of full-blown Proof_Data; wenzelm parents: 39507 diff changeset	21	val visible = Config.bool (Config.declare "Context_Position.visible" (K (Config.Bool true)));
dfacdb01e1ec simplified some internal flags using Config.T instead of full-blown Proof_Data; wenzelm parents: 39507 diff changeset	22	fun is_visible ctxt = Config.get ctxt visible;
dfacdb01e1ec simplified some internal flags using Config.T instead of full-blown Proof_Data; wenzelm parents: 39507 diff changeset	23	val set_visible = Config.put visible;
28405 000dee6d5d80 Context position visibility. wenzelm parents: diff changeset	24	val restore_visible = set_visible o is_visible;
000dee6d5d80 Context position visibility. wenzelm parents: diff changeset	25
38831 4933a3dfd745 more careful treatment of context visibility flag wrt. spurious warnings; wenzelm parents: 38481 diff changeset	26	fun if_visible ctxt f x = if is_visible ctxt then f x else ();
4933a3dfd745 more careful treatment of context visibility flag wrt. spurious warnings; wenzelm parents: 38481 diff changeset	27
39507 839873937ddd tuned signature of (Context_)Position.report variants; wenzelm parents: 39440 diff changeset	28	fun reported_text ctxt pos markup txt =
839873937ddd tuned signature of (Context_)Position.report variants; wenzelm parents: 39440 diff changeset	29	if is_visible ctxt then Position.reported_text pos markup txt else "";
38481 81ec258c4cd3 Output_Position.report_text -- markup with potential "arguments"; wenzelm parents: 38237 diff changeset	30
39507 839873937ddd tuned signature of (Context_)Position.report variants; wenzelm parents: 39440 diff changeset	31	fun report_text ctxt pos markup txt = Output.report (reported_text ctxt pos markup txt);
839873937ddd tuned signature of (Context_)Position.report variants; wenzelm parents: 39440 diff changeset	32	fun report ctxt pos markup = report_text ctxt pos markup "";
28405 000dee6d5d80 Context position visibility. wenzelm parents: diff changeset	33
000dee6d5d80 Context position visibility. wenzelm parents: diff changeset	34	end;

author	nipkow
	Tue, 21 Dec 2010 08:38:03 +0100
changeset 41341	e65a122057ad
parent 39508	dfacdb01e1ec
child 41470	890b25753bf7
permissions	-rw-r--r--