author | blanchet |
Thu, 16 Dec 2010 22:45:02 +0100 | |
changeset 41220 | 4d11b0de7dd8 |
parent 39508 | dfacdb01e1ec |
child 41470 | 890b25753bf7 |
permissions | -rw-r--r-- |
28405 | 1 |
(* Title: Pure/context_position.ML |
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Author: Makarius |
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Context position visibility flag. |
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*) |
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signature CONTEXT_POSITION = |
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sig |
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val is_visible: Proof.context -> bool |
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val set_visible: bool -> Proof.context -> Proof.context |
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val restore_visible: Proof.context -> Proof.context -> Proof.context |
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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
|
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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
|
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val report: Proof.context -> Position.T -> Markup.T -> unit |
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end; |
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structure Context_Position: CONTEXT_POSITION = |
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struct |
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39508
dfacdb01e1ec
simplified some internal flags using Config.T instead of full-blown Proof_Data;
wenzelm
parents:
39507
diff
changeset
|
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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
|
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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
|
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val set_visible = Config.put visible; |
28405 | 24 |
val restore_visible = set_visible o is_visible; |
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||
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
|
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fun reported_text ctxt pos markup txt = |
839873937ddd
tuned signature of (Context_)Position.report variants;
wenzelm
parents:
39440
diff
changeset
|
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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
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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
|
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fun report ctxt pos markup = report_text ctxt pos markup ""; |
28405 | 33 |
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end; |