author | wenzelm |
Tue, 11 Jan 2011 16:23:28 +0100 | |
changeset 41504 | f0f20a5b54df |
parent 41484 | 51310e1ccd6f |
child 42204 | b3277168c1e7 |
permissions | -rw-r--r-- |
6118 | 1 |
(* Title: Pure/General/position.ML |
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Author: Markus Wenzel, TU Muenchen |
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Source positions: counting Isabelle symbols, starting from 1. |
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*) |
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signature POSITION = |
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sig |
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eqtype T |
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val make: {line: int, column: int, offset: int, end_offset: int, props: Properties.T} -> T |
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val dest: T -> {line: int, column: int, offset: int, end_offset: int, props: Properties.T} |
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val line_of: T -> int option |
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val column_of: T -> int option |
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val offset_of: T -> int option |
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val end_offset_of: T -> int option |
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val file_of: T -> string option |
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val advance: Symbol.symbol -> T -> T |
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val distance_of: T -> T -> int |
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val none: T |
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val start: T |
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val file_name: string -> Properties.T |
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val file: string -> T |
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val line: int -> T |
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val line_file: int -> string -> T |
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val id: string -> T |
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val id_only: string -> T |
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val get_id: T -> string option |
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val put_id: string -> T -> T |
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val of_properties: Properties.T -> T |
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val properties_of: T -> Properties.T |
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val default_properties: T -> Properties.T -> Properties.T |
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39440
4c2547af5909
simplified/clarified (Context_)Position.markup/reported_text;
wenzelm
parents:
38887
diff
changeset
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val markup: T -> Markup.T -> Markup.T |
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val is_reported: T -> bool |
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tuned signature of (Context_)Position.report variants;
wenzelm
parents:
39440
diff
changeset
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val reported_text: T -> Markup.T -> string -> string |
839873937ddd
tuned signature of (Context_)Position.report variants;
wenzelm
parents:
39440
diff
changeset
|
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val report_text: T -> Markup.T -> string -> unit |
839873937ddd
tuned signature of (Context_)Position.report variants;
wenzelm
parents:
39440
diff
changeset
|
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val report: T -> Markup.T -> unit |
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val str_of: T -> string |
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type range = T * T |
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val no_range: range |
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val set_range: range -> T |
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val reset_range: T -> T |
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val range: T -> T -> range |
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val thread_data: unit -> T |
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val setmp_thread_data: T -> ('a -> 'b) -> 'a -> 'b |
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9d501e11084a
maintain position of formal entities via name space;
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parents:
32573
diff
changeset
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val default: T -> T |
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end; |
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structure Position: POSITION = |
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struct |
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(* datatype position *) |
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datatype T = Pos of (int * int * int * int) * Properties.T; |
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fun norm_props (props: Properties.T) = |
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maps (fn a => the_list (find_first (fn (b, _) => a = b) props)) Markup.position_properties'; |
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fun make {line = i, column = j, offset = k, end_offset = l, props} = |
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Pos ((i, j, k, l), norm_props props); |
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fun dest (Pos ((i, j, k, l), props)) = |
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{line = i, column = j, offset = k, end_offset = l, props = props}; |
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fun valid (i: int) = i > 0; |
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fun if_valid i i' = if valid i then i' else i; |
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(* fields *) |
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fun line_of (Pos ((i, _, _, _), _)) = if valid i then SOME i else NONE; |
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fun column_of (Pos ((_, j, _, _), _)) = if valid j then SOME j else NONE; |
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fun offset_of (Pos ((_, _, k, _), _)) = if valid k then SOME k else NONE; |
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fun end_offset_of (Pos ((_, _, _, l), _)) = if valid l then SOME l else NONE; |
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fun file_of (Pos (_, props)) = Properties.get props Markup.fileN; |
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(* advance *) |
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fun advance_count "\n" (i: int, j: int, k: int, l: int) = |
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(if_valid i (i + 1), if_valid j 1, if_valid k (k + 1), l) |
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| advance_count s (i, j, k, l) = |
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if Symbol.is_regular s then (i, if_valid j (j + 1), if_valid k (k + 1), l) |
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else (i, j, k, l); |
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fun invalid_count (i, j, k, _: int) = |
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not (valid i orelse valid j orelse valid k); |
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fun advance sym (pos as (Pos (count, props))) = |
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if invalid_count count then pos else Pos (advance_count sym count, props); |
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(* distance of adjacent positions *) |
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fun distance_of (Pos ((_, j, k, _), _)) (Pos ((_, j', k', _), _)) = |
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if valid j andalso valid j' then j' - j |
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else if valid k andalso valid k' then k' - k |
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else 0; |
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(* make position *) |
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val none = Pos ((0, 0, 0, 0), []); |
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val start = Pos ((1, 1, 1, 0), []); |
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fun file_name "" = [] |
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| file_name name = [(Markup.fileN, name)]; |
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fun file name = Pos ((1, 1, 1, 0), file_name name); |
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fun line_file i name = Pos ((i, 0, 0, 0), file_name name); |
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fun line i = line_file i ""; |
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fun id id = Pos ((0, 0, 1, 0), [(Markup.idN, id)]); |
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fun id_only id = Pos ((0, 0, 0, 0), [(Markup.idN, id)]); |
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fun get_id (Pos (_, props)) = Properties.get props Markup.idN; |
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fun put_id id (Pos (count, props)) = Pos (count, Properties.put (Markup.idN, id) props); |
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(* markup properties *) |
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fun of_properties props = |
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let |
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fun get name = |
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(case Properties.get props name of |
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NONE => 0 |
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| SOME s => the_default 0 (Int.fromString s)); |
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in |
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make {line = get Markup.lineN, column = get Markup.columnN, |
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offset = get Markup.offsetN, end_offset = get Markup.end_offsetN, props = props} |
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end; |
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fun value k i = if valid i then [(k, string_of_int i)] else []; |
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fun properties_of (Pos ((i, j, k, l), props)) = |
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value Markup.lineN i @ value Markup.columnN j @ |
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value Markup.offsetN k @ value Markup.end_offsetN l @ props; |
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fun default_properties default props = |
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if exists (member (op =) Markup.position_properties o #1) props then props |
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else properties_of default @ props; |
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||
39440
4c2547af5909
simplified/clarified (Context_)Position.markup/reported_text;
wenzelm
parents:
38887
diff
changeset
|
147 |
val markup = Markup.properties o properties_of; |
4c2547af5909
simplified/clarified (Context_)Position.markup/reported_text;
wenzelm
parents:
38887
diff
changeset
|
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4c2547af5909
simplified/clarified (Context_)Position.markup/reported_text;
wenzelm
parents:
38887
diff
changeset
|
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4c2547af5909
simplified/clarified (Context_)Position.markup/reported_text;
wenzelm
parents:
38887
diff
changeset
|
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(* reports *) |
38887
1261481ef5e5
Command.State: add reported positions to markup tree, according main message position or Markup.binding/entity/report occurrences in body;
wenzelm
parents:
38236
diff
changeset
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fun is_reported pos = is_some (offset_of pos) andalso is_some (get_id pos); |
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added report_text -- status messages with text body;
wenzelm
parents:
29307
diff
changeset
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fun reported_text pos m txt = if is_reported pos then Markup.markup (markup pos m) txt else ""; |
39507
839873937ddd
tuned signature of (Context_)Position.report variants;
wenzelm
parents:
39440
diff
changeset
|
155 |
fun report_text pos markup txt = Output.report (reported_text pos markup txt); |
839873937ddd
tuned signature of (Context_)Position.report variants;
wenzelm
parents:
39440
diff
changeset
|
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fun report pos markup = report_text pos markup ""; |
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(* str_of *) |
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fun str_of pos = |
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let |
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val props = properties_of pos; |
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val s = |
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(case (line_of pos, file_of pos) of |
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(SOME i, NONE) => "(line " ^ string_of_int i ^ ")" |
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| (SOME i, SOME name) => "(line " ^ string_of_int i ^ " of " ^ quote name ^ ")" |
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| _ => ""); |
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in |
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if null props then "" |
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else (if s = "" then "" else " ") ^ Markup.markup (Markup.properties props Markup.position) s |
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end; |
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(* range *) |
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type range = T * T; |
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val no_range = (none, none); |
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fun set_range (Pos ((i, j, k, _), props), Pos ((_, _, k', _), _)) = Pos ((i, j, k, k'), props); |
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fun reset_range (Pos ((i, j, k, _), props)) = Pos ((i, j, k, 0), props); |
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fun range pos pos' = (set_range (pos, pos'), pos'); |
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(* thread data *) |
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local val tag = Universal.tag () : T Universal.tag in |
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fun thread_data () = the_default none (Thread.getLocal tag); |
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f8e24980af05
more robust Position.setmp_thread_data, independently of Output.debugging (essentially reverts f9ec18f7c0f6, which was motivated by clean exception_trace, but without transaction positions the Isabelle_Process protocol breaks down);
wenzelm
parents:
33097
diff
changeset
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fun setmp_thread_data pos = Library.setmp_thread_data tag (thread_data ()) pos; |
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end; |
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|
33097
9d501e11084a
maintain position of formal entities via name space;
wenzelm
parents:
32573
diff
changeset
|
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fun default pos = |
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maintain position of formal entities via name space;
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parents:
32573
diff
changeset
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if pos = none then thread_data () |
9d501e11084a
maintain position of formal entities via name space;
wenzelm
parents:
32573
diff
changeset
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else pos; |
9d501e11084a
maintain position of formal entities via name space;
wenzelm
parents:
32573
diff
changeset
|
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end; |