src/Pure/context.ML
author wenzelm
Wed, 10 Apr 2013 17:02:47 +0200
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child 52682 77146b576ac7
permissions -rw-r--r--
added ML antiquotation @{theory_context};
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(*  Title:      Pure/context.ML
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    Author:     Markus Wenzel, TU Muenchen
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Generic theory contexts with unique identity, arbitrarily typed data,
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monotonic development graph and history support.  Generic proof
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contexts with arbitrarily typed data.
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Firm naming conventions:
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   thy, thy', thy1, thy2: theory
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   ctxt, ctxt', ctxt1, ctxt2: Proof.context
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   context: Context.generic
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*)
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signature BASIC_CONTEXT =
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sig
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  type theory
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  type theory_ref
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  exception THEORY of string * theory list
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  structure Proof: sig type context end
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  structure Proof_Context:
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  sig
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    val theory_of: Proof.context -> theory
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    val init_global: theory -> Proof.context
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    val get_global: theory -> string -> Proof.context
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  end
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end;
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signature CONTEXT =
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sig
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  include BASIC_CONTEXT
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  (*theory context*)
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  val timing: bool Unsynchronized.ref
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  type pretty
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  val parents_of: theory -> theory list
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  val ancestors_of: theory -> theory list
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  val theory_name: theory -> string
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  val is_stale: theory -> bool
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  val is_draft: theory -> bool
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  val reject_draft: theory -> theory
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  val PureN: string
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  val display_names: theory -> string list
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  val pretty_thy: theory -> Pretty.T
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  val string_of_thy: theory -> string
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  val pretty_abbrev_thy: theory -> Pretty.T
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  val str_of_thy: theory -> string
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  val get_theory: theory -> string -> theory
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  val this_theory: theory -> string -> theory
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  val deref: theory_ref -> theory
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  val check_thy: theory -> theory_ref
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  val eq_thy: theory * theory -> bool
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  val subthy: theory * theory -> bool
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  val joinable: theory * theory -> bool
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  val merge: theory * theory -> theory
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  val merge_refs: theory_ref * theory_ref -> theory_ref
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  val copy_thy: theory -> theory
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  val checkpoint_thy: theory -> theory
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  val finish_thy: theory -> theory
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  val begin_thy: (theory -> pretty) -> string -> theory list -> theory
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  (*proof context*)
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  val raw_transfer: theory -> Proof.context -> Proof.context
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  (*generic context*)
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  datatype generic = Theory of theory | Proof of Proof.context
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  val cases: (theory -> 'a) -> (Proof.context -> 'a) -> generic -> 'a
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  val mapping: (theory -> theory) -> (Proof.context -> Proof.context) -> generic -> generic
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  val mapping_result: (theory -> 'a * theory) -> (Proof.context -> 'a * Proof.context) ->
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    generic -> 'a * generic
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  val the_theory: generic -> theory
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  val the_proof: generic -> Proof.context
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  val map_theory: (theory -> theory) -> generic -> generic
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  val map_proof: (Proof.context -> Proof.context) -> generic -> generic
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  val map_theory_result: (theory -> 'a * theory) -> generic -> 'a * generic
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  val map_proof_result: (Proof.context -> 'a * Proof.context) -> generic -> 'a * generic
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  val theory_map: (generic -> generic) -> theory -> theory
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  val proof_map: (generic -> generic) -> Proof.context -> Proof.context
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  val theory_of: generic -> theory  (*total*)
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  val proof_of: generic -> Proof.context  (*total*)
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  (*pretty printing context*)
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  val pretty: Proof.context -> pretty
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  val pretty_global: theory -> pretty
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  val pretty_generic: generic -> pretty
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  val pretty_context: (theory -> Proof.context) -> pretty -> Proof.context
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  (*thread data*)
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  val thread_data: unit -> generic option
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  val the_thread_data: unit -> generic
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  val set_thread_data: generic option -> unit
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  val setmp_thread_data: generic option -> ('a -> 'b) -> 'a -> 'b
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  val >> : (generic -> generic) -> unit
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  val >>> : (generic -> 'a * generic) -> 'a
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end;
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signature PRIVATE_CONTEXT =
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sig
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  include CONTEXT
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  structure Theory_Data:
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  sig
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    val declare: Position.T -> Any.T -> (Any.T -> Any.T) ->
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      (pretty -> Any.T * Any.T -> Any.T) -> serial
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    val get: serial -> (Any.T -> 'a) -> theory -> 'a
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    val put: serial -> ('a -> Any.T) -> 'a -> theory -> theory
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  end
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  structure Proof_Data:
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  sig
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    val declare: (theory -> Any.T) -> serial
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    val get: serial -> (Any.T -> 'a) -> Proof.context -> 'a
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    val put: serial -> ('a -> Any.T) -> 'a -> Proof.context -> Proof.context
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  end
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end;
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structure Context: PRIVATE_CONTEXT =
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struct
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(*** theory context ***)
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(** theory data **)
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(* data kinds and access methods *)
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val timing = Unsynchronized.ref false;
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(*private copy avoids potential conflict of table exceptions*)
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structure Datatab = Table(type key = int val ord = int_ord);
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datatype pretty = Pretty of Any.T;
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local
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type kind =
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 {pos: Position.T,
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  empty: Any.T,
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  extend: Any.T -> Any.T,
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  merge: pretty -> Any.T * Any.T -> Any.T};
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val kinds = Synchronized.var "Theory_Data" (Datatab.empty: kind Datatab.table);
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fun invoke name f k x =
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  (case Datatab.lookup (Synchronized.value kinds) k of
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    SOME kind =>
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      if ! timing andalso name <> "" then
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        Timing.cond_timeit true ("Theory_Data." ^ name ^ Position.here (#pos kind))
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          (fn () => f kind x)
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      else f kind x
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  | NONE => raise Fail "Invalid theory data identifier");
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in
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fun invoke_empty k = invoke "" (K o #empty) k ();
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val invoke_extend = invoke "extend" #extend;
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fun invoke_merge pp = invoke "merge" (fn kind => #merge kind pp);
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fun declare_theory_data pos empty extend merge =
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  let
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    val k = serial ();
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    val kind = {pos = pos, empty = empty, extend = extend, merge = merge};
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    val _ = Synchronized.change kinds (Datatab.update (k, kind));
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  in k end;
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val extend_data = Datatab.map invoke_extend;
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fun merge_data pp = Datatab.join (invoke_merge pp) o pairself extend_data;
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end;
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(** datatype theory **)
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datatype theory =
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  Theory of
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   (*identity*)
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   {self: theory Unsynchronized.ref option,  (*dynamic self reference -- follows theory changes*)
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    draft: bool,                  (*draft mode -- linear destructive changes*)
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    id: serial,                   (*identifier*)
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    ids: unit Inttab.table} *     (*cumulative identifiers of non-drafts -- symbolic body content*)
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   (*data*)
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   Any.T Datatab.table *       (*body content*)
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   (*ancestry*)
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   {parents: theory list,         (*immediate predecessors*)
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    ancestors: theory list} *     (*all predecessors -- canonical reverse order*)
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   (*history*)
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   {name: string,                 (*official theory name*)
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    stage: int};                  (*checkpoint counter*)
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exception THEORY of string * theory list;
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fun rep_theory (Theory args) = args;
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val identity_of = #1 o rep_theory;
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val data_of = #2 o rep_theory;
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val ancestry_of = #3 o rep_theory;
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val history_of = #4 o rep_theory;
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fun make_identity self draft id ids = {self = self, draft = draft, id = id, ids = ids};
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fun make_ancestry parents ancestors = {parents = parents, ancestors = ancestors};
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fun make_history name stage = {name = name, stage = stage};
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val the_self = the o #self o identity_of;
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val parents_of = #parents o ancestry_of;
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val ancestors_of = #ancestors o ancestry_of;
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val theory_name = #name o history_of;
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(* staleness *)
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fun eq_id (i: int, j) = i = j;
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fun is_stale
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    (Theory ({self =
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        SOME (Unsynchronized.ref (Theory ({id = id', ...}, _, _, _))), id, ...}, _, _, _)) =
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      not (eq_id (id, id'))
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  | is_stale (Theory ({self = NONE, ...}, _, _, _)) = true;
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fun vitalize (thy as Theory ({self = SOME r, ...}, _, _, _)) = (r := thy; thy)
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  | vitalize (thy as Theory ({self = NONE, draft, id, ids}, data, ancestry, history)) =
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      let
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        val r = Unsynchronized.ref thy;
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        val thy' = Theory (make_identity (SOME r) draft id ids, data, ancestry, history);
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      in r := thy'; thy' end;
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(* draft mode *)
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val is_draft = #draft o identity_of;
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fun reject_draft thy =
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  if is_draft thy then
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    raise THEORY ("Illegal draft theory -- stable checkpoint required", [thy])
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  else thy;
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(* names *)
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val PureN = "Pure";
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val draftN = "#";
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val finished = ~1;
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fun display_names thy =
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  let
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    val draft = if is_draft thy then [draftN] else [];
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    val {stage, ...} = history_of thy;
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    val name =
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      if stage = finished then theory_name thy
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      else theory_name thy ^ ":" ^ string_of_int stage;
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    val ancestor_names = map theory_name (ancestors_of thy);
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    val stale = if is_stale thy then ["!"] else [];
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  in rev (stale @ draft @ [name] @ ancestor_names) end;
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val pretty_thy = Pretty.str_list "{" "}" o display_names;
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val string_of_thy = Pretty.string_of o pretty_thy;
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fun pretty_abbrev_thy thy =
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  let
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    val names = display_names thy;
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    val n = length names;
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    val abbrev = if n > 5 then "..." :: List.drop (names, n - 5) else names;
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  in Pretty.str_list "{" "}" abbrev end;
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val str_of_thy = Pretty.str_of o pretty_abbrev_thy;
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fun get_theory thy name =
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  if theory_name thy <> name then
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    (case find_first (fn thy' => theory_name thy' = name) (ancestors_of thy) of
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      SOME thy' => thy'
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    | NONE => error ("Unknown ancestor theory " ^ quote name))
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  else if #stage (history_of thy) = finished then thy
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  else error ("Unfinished theory " ^ quote name);
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fun this_theory thy name =
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  if theory_name thy = name then thy
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  else get_theory thy name;
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(* theory references *)
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(*theory_ref provides a safe way to store dynamic references to a
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  theory in external data structures -- a plain theory value would
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  become stale as the self reference moves on*)
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datatype theory_ref = Theory_Ref of theory Unsynchronized.ref;
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fun deref (Theory_Ref (Unsynchronized.ref thy)) = thy;
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fun check_thy thy =  (*thread-safe version*)
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  let val thy_ref = Theory_Ref (the_self thy) in
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    if is_stale thy then error ("Stale theory encountered:\n" ^ string_of_thy thy)
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    else thy_ref
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  end;
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(* build ids *)
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fun insert_id draft id ids =
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  if draft then ids
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  else Inttab.update (id, ()) ids;
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diff changeset
   293
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
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diff changeset
   294
fun merge_ids
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diff changeset
   295
    (Theory ({draft = draft1, id = id1, ids = ids1, ...}, _, _, _))
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
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diff changeset
   296
    (Theory ({draft = draft2, id = id2, ids = ids2, ...}, _, _, _)) =
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
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diff changeset
   297
  Inttab.merge (K true) (ids1, ids2)
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
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diff changeset
   298
  |> insert_id draft1 id1
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
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diff changeset
   299
  |> insert_id draft2 id2;
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
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   300
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
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diff changeset
   301
16533
f1152f75f6fc begin_thy: merge maximal imports;
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   302
(* equality and inclusion *)
f1152f75f6fc begin_thy: merge maximal imports;
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diff changeset
   303
24141
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
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   304
val eq_thy = eq_id o pairself (#id o identity_of);
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
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diff changeset
   305
29069
c7ba485581ae unified ids for ancestors and checkpoints, removed obsolete history of checkpoints;
wenzelm
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diff changeset
   306
fun proper_subthy (Theory ({id, ...}, _, _, _), Theory ({ids, ...}, _, _, _)) =
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
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diff changeset
   307
  Inttab.defined ids id;
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
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diff changeset
   308
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
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diff changeset
   309
fun subthy thys = eq_thy thys orelse proper_subthy thys;
f1152f75f6fc begin_thy: merge maximal imports;
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   310
16594
5d73fbf4eb1e added joinable;
wenzelm
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diff changeset
   311
fun joinable (thy1, thy2) = subthy (thy1, thy2) orelse subthy (thy2, thy1);
5d73fbf4eb1e added joinable;
wenzelm
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diff changeset
   312
16533
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wenzelm
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diff changeset
   313
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
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diff changeset
   314
(* consistent ancestors *)
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
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diff changeset
   315
50431
955c4aa44f60 check consistent theory names for direct imports as well -- as claimed in the comments (see also 1cc36c0ec9eb);
wenzelm
parents: 48992
diff changeset
   316
fun eq_thy_consistent (thy1, thy2) =
955c4aa44f60 check consistent theory names for direct imports as well -- as claimed in the comments (see also 1cc36c0ec9eb);
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diff changeset
   317
  eq_thy (thy1, thy2) orelse
955c4aa44f60 check consistent theory names for direct imports as well -- as claimed in the comments (see also 1cc36c0ec9eb);
wenzelm
parents: 48992
diff changeset
   318
    (theory_name thy1 = theory_name thy2 andalso
955c4aa44f60 check consistent theory names for direct imports as well -- as claimed in the comments (see also 1cc36c0ec9eb);
wenzelm
parents: 48992
diff changeset
   319
      raise THEORY ("Duplicate theory name", [thy1, thy2]));
955c4aa44f60 check consistent theory names for direct imports as well -- as claimed in the comments (see also 1cc36c0ec9eb);
wenzelm
parents: 48992
diff changeset
   320
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   321
fun extend_ancestors thy thys =
50431
955c4aa44f60 check consistent theory names for direct imports as well -- as claimed in the comments (see also 1cc36c0ec9eb);
wenzelm
parents: 48992
diff changeset
   322
  if member eq_thy_consistent thys thy then
33033
wenzelm
parents: 33031
diff changeset
   323
    raise THEORY ("Duplicate theory node", thy :: thys)
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   324
  else thy :: thys;
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   325
50431
955c4aa44f60 check consistent theory names for direct imports as well -- as claimed in the comments (see also 1cc36c0ec9eb);
wenzelm
parents: 48992
diff changeset
   326
val merge_ancestors = merge eq_thy_consistent;
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   327
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   328
23355
d2c033fd4514 merge/merge_refs: plain error instead of exception TERM;
wenzelm
parents: 22847
diff changeset
   329
(* trivial merge *)
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   330
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   331
fun merge (thy1, thy2) =
16719
5c5eb939f6eb check_thy: less invocations, less verbose;
wenzelm
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diff changeset
   332
  if eq_thy (thy1, thy2) then thy1
5c5eb939f6eb check_thy: less invocations, less verbose;
wenzelm
parents: 16594
diff changeset
   333
  else if proper_subthy (thy2, thy1) then thy1
5c5eb939f6eb check_thy: less invocations, less verbose;
wenzelm
parents: 16594
diff changeset
   334
  else if proper_subthy (thy1, thy2) then thy2
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   335
  else error (cat_lines ["Attempt to perform non-trivial merge of theories:",
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   336
    str_of_thy thy1, str_of_thy thy2]);
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   337
16719
5c5eb939f6eb check_thy: less invocations, less verbose;
wenzelm
parents: 16594
diff changeset
   338
fun merge_refs (ref1, ref2) =
5c5eb939f6eb check_thy: less invocations, less verbose;
wenzelm
parents: 16594
diff changeset
   339
  if ref1 = ref2 then ref1
24141
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   340
  else check_thy (merge (deref ref1, deref ref2));
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   341
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   342
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   343
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
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diff changeset
   344
(** build theories **)
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
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   345
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
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diff changeset
   346
(* primitives *)
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
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diff changeset
   347
33606
2b27020ffcb2 local mutex for theory content/identity operations;
wenzelm
parents: 33517
diff changeset
   348
local
2b27020ffcb2 local mutex for theory content/identity operations;
wenzelm
parents: 33517
diff changeset
   349
  val lock = Mutex.mutex ();
2b27020ffcb2 local mutex for theory content/identity operations;
wenzelm
parents: 33517
diff changeset
   350
in
37216
3165bc303f66 modernized some structure names, keeping a few legacy aliases;
wenzelm
parents: 36610
diff changeset
   351
  fun SYNCHRONIZED e = Simple_Thread.synchronized "theory" lock e;
33606
2b27020ffcb2 local mutex for theory content/identity operations;
wenzelm
parents: 33517
diff changeset
   352
end;
2b27020ffcb2 local mutex for theory content/identity operations;
wenzelm
parents: 33517
diff changeset
   353
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   354
fun create_thy self draft ids data ancestry history =
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   355
  let val identity = make_identity self draft (serial ()) ids;
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   356
  in vitalize (Theory (identity, data, ancestry, history)) end;
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   357
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   358
fun change_thy draft' f thy =
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   359
  let
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   360
    val Theory ({self, draft, id, ids}, data, ancestry, history) = thy;
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   361
    val (self', data', ancestry') =
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   362
      if draft then (self, data, ancestry)    (*destructive change!*)
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   363
      else if #stage history > 0
34245
25bd3ed2ac9f dropped copy operation for legacy TheoryDataFun
haftmann
parents: 33606
diff changeset
   364
      then (NONE, data, ancestry)
50431
955c4aa44f60 check consistent theory names for direct imports as well -- as claimed in the comments (see also 1cc36c0ec9eb);
wenzelm
parents: 48992
diff changeset
   365
      else (NONE, extend_data data, make_ancestry [thy] (extend_ancestors thy (ancestors_of thy)));
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   366
    val ids' = insert_id draft id ids;
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   367
    val data'' = f data';
33606
2b27020ffcb2 local mutex for theory content/identity operations;
wenzelm
parents: 33517
diff changeset
   368
    val thy' = SYNCHRONIZED (fn () =>
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   369
      (check_thy thy; create_thy self' draft' ids' data'' ancestry' history));
24369
0cb1f4d76452 tuned CRITICAL sections;
wenzelm
parents: 24184
diff changeset
   370
  in thy' end;
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   371
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   372
val name_thy = change_thy false I;
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   373
val extend_thy = change_thy true I;
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   374
val modify_thy = change_thy true;
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   375
24369
0cb1f4d76452 tuned CRITICAL sections;
wenzelm
parents: 24184
diff changeset
   376
fun copy_thy thy =
24141
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   377
  let
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   378
    val Theory ({draft, id, ids, ...}, data, ancestry, history) = thy;
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   379
    val ids' = insert_id draft id ids;
33606
2b27020ffcb2 local mutex for theory content/identity operations;
wenzelm
parents: 33517
diff changeset
   380
    val thy' = SYNCHRONIZED (fn () =>
34245
25bd3ed2ac9f dropped copy operation for legacy TheoryDataFun
haftmann
parents: 33606
diff changeset
   381
      (check_thy thy; create_thy NONE true ids' data ancestry history));
24369
0cb1f4d76452 tuned CRITICAL sections;
wenzelm
parents: 24184
diff changeset
   382
  in thy' end;
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   383
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   384
val pre_pure_thy = create_thy NONE true Inttab.empty
29069
c7ba485581ae unified ids for ancestors and checkpoints, removed obsolete history of checkpoints;
wenzelm
parents: 29001
diff changeset
   385
  Datatab.empty (make_ancestry [] []) (make_history PureN 0);
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   386
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   387
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   388
(* named theory nodes *)
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   389
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   390
fun merge_thys pp (thy1, thy2) =
26957
e3f04fdd994d eliminated theory CPure;
wenzelm
parents: 26889
diff changeset
   391
  let
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   392
    val ids = merge_ids thy1 thy2;
26957
e3f04fdd994d eliminated theory CPure;
wenzelm
parents: 26889
diff changeset
   393
    val data = merge_data (pp thy1) (data_of thy1, data_of thy2);
e3f04fdd994d eliminated theory CPure;
wenzelm
parents: 26889
diff changeset
   394
    val ancestry = make_ancestry [] [];
29069
c7ba485581ae unified ids for ancestors and checkpoints, removed obsolete history of checkpoints;
wenzelm
parents: 29001
diff changeset
   395
    val history = make_history "" 0;
33606
2b27020ffcb2 local mutex for theory content/identity operations;
wenzelm
parents: 33517
diff changeset
   396
    val thy' = SYNCHRONIZED (fn () =>
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   397
     (check_thy thy1; check_thy thy2; create_thy NONE true ids data ancestry history));
26957
e3f04fdd994d eliminated theory CPure;
wenzelm
parents: 26889
diff changeset
   398
  in thy' end;
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   399
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   400
fun maximal_thys thys =
28617
wenzelm
parents: 28375
diff changeset
   401
  thys |> filter_out (fn thy => exists (fn thy' => proper_subthy (thy, thy')) thys);
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   402
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   403
fun begin_thy pp name imports =
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   404
  if name = "" orelse name = draftN then error ("Bad theory name: " ^ quote name)
24369
0cb1f4d76452 tuned CRITICAL sections;
wenzelm
parents: 24184
diff changeset
   405
  else
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   406
    let
24141
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   407
      val parents = maximal_thys (distinct eq_thy imports);
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   408
      val ancestors =
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   409
        Library.foldl merge_ancestors ([], map ancestors_of parents)
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   410
        |> fold extend_ancestors parents;
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   411
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   412
      val Theory ({ids, ...}, data, _, _) =
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   413
        (case parents of
48638
22d65e375c01 more standard bootstrapping of Pure.thy;
wenzelm
parents: 47005
diff changeset
   414
          [] => error "Missing theory imports"
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   415
        | [thy] => extend_thy thy
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   416
        | thy :: thys => Library.foldl (merge_thys pp) (thy, thys));
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   417
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   418
      val ancestry = make_ancestry parents ancestors;
29069
c7ba485581ae unified ids for ancestors and checkpoints, removed obsolete history of checkpoints;
wenzelm
parents: 29001
diff changeset
   419
      val history = make_history name 0;
33606
2b27020ffcb2 local mutex for theory content/identity operations;
wenzelm
parents: 33517
diff changeset
   420
      val thy' = SYNCHRONIZED (fn () =>
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   421
        (map check_thy imports; create_thy NONE true ids data ancestry history));
24369
0cb1f4d76452 tuned CRITICAL sections;
wenzelm
parents: 24184
diff changeset
   422
    in thy' end;
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   423
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   424
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   425
(* history stages *)
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   426
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   427
fun history_stage f thy =
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   428
  let
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   429
    val {name, stage} = history_of thy;
29095
a75f3ed534a0 tuned comments;
wenzelm
parents: 29093
diff changeset
   430
    val _ = stage = finished andalso raise THEORY ("Theory already finished", [thy]);
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   431
    val history' = make_history name (f stage);
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   432
    val thy' as Theory (identity', data', ancestry', _) = name_thy thy;
33606
2b27020ffcb2 local mutex for theory content/identity operations;
wenzelm
parents: 33517
diff changeset
   433
    val thy'' = SYNCHRONIZED (fn () =>
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   434
      (check_thy thy'; vitalize (Theory (identity', data', ancestry', history'))));
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   435
  in thy'' end;
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   436
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   437
fun checkpoint_thy thy =
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   438
  if is_draft thy then history_stage (fn stage => stage + 1) thy
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   439
  else thy;
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   440
29095
a75f3ed534a0 tuned comments;
wenzelm
parents: 29093
diff changeset
   441
val finish_thy = history_stage (fn _ => finished);
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   442
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   443
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   444
(* theory data *)
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   445
33033
wenzelm
parents: 33031
diff changeset
   446
structure Theory_Data =
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   447
struct
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   448
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   449
val declare = declare_theory_data;
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   450
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   451
fun get k dest thy =
34253
5930c6391126 removed further remains of mutable theory data (cf. 25bd3ed2ac9f);
wenzelm
parents: 34245
diff changeset
   452
  (case Datatab.lookup (data_of thy) k of
22847
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   453
    SOME x => x
34253
5930c6391126 removed further remains of mutable theory data (cf. 25bd3ed2ac9f);
wenzelm
parents: 34245
diff changeset
   454
  | NONE => invoke_empty k) |> dest;
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   455
22847
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   456
fun put k mk x = modify_thy (Datatab.update (k, mk x));
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   457
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   458
end;
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   459
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   460
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   461
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   462
(*** proof context ***)
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   463
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   464
(* datatype Proof.context *)
17060
cca2f3938443 type proof: theory_ref instead of theory (make proof contexts independent entities);
wenzelm
parents: 16894
diff changeset
   465
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   466
structure Proof =
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   467
struct
51368
2ea5c7c2d825 tuned signature -- prefer terminology of Scala and Axiom;
wenzelm
parents: 50431
diff changeset
   468
  datatype context = Context of Any.T Datatab.table * theory_ref;
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   469
end;
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   470
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   471
fun theory_of_proof (Proof.Context (_, thy_ref)) = deref thy_ref;
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   472
fun data_of_proof (Proof.Context (data, _)) = data;
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   473
fun map_prf f (Proof.Context (data, thy_ref)) = Proof.Context (f data, thy_ref);
17060
cca2f3938443 type proof: theory_ref instead of theory (make proof contexts independent entities);
wenzelm
parents: 16894
diff changeset
   474
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   475
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   476
(* proof data kinds *)
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   477
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   478
local
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   479
51368
2ea5c7c2d825 tuned signature -- prefer terminology of Scala and Axiom;
wenzelm
parents: 50431
diff changeset
   480
val kinds = Synchronized.var "Proof_Data" (Datatab.empty: (theory -> Any.T) Datatab.table);
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   481
22847
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   482
fun invoke_init k =
43684
85388f5570c4 prefer Synchronized.var;
wenzelm
parents: 43610
diff changeset
   483
  (case Datatab.lookup (Synchronized.value kinds) k of
22847
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   484
    SOME init => init
37852
a902f158b4fc eliminated old-style sys_error/SYS_ERROR in favour of exception Fail -- after careful checking that there is no overlap with existing handling of that;
wenzelm
parents: 37216
diff changeset
   485
  | NONE => raise Fail "Invalid proof data identifier");
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   486
22847
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   487
fun init_data thy =
43684
85388f5570c4 prefer Synchronized.var;
wenzelm
parents: 43610
diff changeset
   488
  Datatab.map (fn k => fn _ => invoke_init k thy) (Synchronized.value kinds);
22847
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   489
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   490
fun init_new_data data thy =
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   491
  Datatab.merge (K true) (data, init_data thy);
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   492
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   493
in
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   494
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   495
fun raw_transfer thy' (Proof.Context (data, thy_ref)) =
24141
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   496
  let
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   497
    val thy = deref thy_ref;
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   498
    val _ = subthy (thy, thy') orelse error "transfer proof context: not a super theory";
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   499
    val _ = check_thy thy;
24184
19cb051154fd thread-safeness: when creating certified items, perform Theory.check_thy *last*;
wenzelm
parents: 24141
diff changeset
   500
    val data' = init_new_data data thy';
24141
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   501
    val thy_ref' = check_thy thy';
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   502
  in Proof.Context (data', thy_ref') end;
22847
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   503
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 41711
diff changeset
   504
structure Proof_Context =
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   505
struct
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   506
  val theory_of = theory_of_proof;
36610
bafd82950e24 renamed ProofContext.init to ProofContext.init_global to emphasize that this is not the real thing;
wenzelm
parents: 34259
diff changeset
   507
  fun init_global thy = Proof.Context (init_data thy, check_thy thy);
51686
532e0ac5a66d added ML antiquotation @{theory_context};
wenzelm
parents: 51368
diff changeset
   508
  fun get_global thy name = init_global (get_theory thy name);
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   509
end;
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   510
33033
wenzelm
parents: 33031
diff changeset
   511
structure Proof_Data =
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   512
struct
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   513
22847
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   514
fun declare init =
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   515
  let
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   516
    val k = serial ();
43684
85388f5570c4 prefer Synchronized.var;
wenzelm
parents: 43610
diff changeset
   517
    val _ = Synchronized.change kinds (Datatab.update (k, init));
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   518
  in k end;
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   519
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   520
fun get k dest prf =
22847
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   521
  dest (case Datatab.lookup (data_of_proof prf) k of
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   522
    SOME x => x
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 41711
diff changeset
   523
  | NONE => invoke_init k (Proof_Context.theory_of prf));   (*adhoc value*)
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   524
19028
6c238953f66c structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents: 18931
diff changeset
   525
fun put k mk x = map_prf (Datatab.update (k, mk x));
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   526
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   527
end;
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   528
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   529
end;
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   530
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   531
18632
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   532
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   533
(*** generic context ***)
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   534
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   535
datatype generic = Theory of theory | Proof of Proof.context;
18632
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   536
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   537
fun cases f _ (Theory thy) = f thy
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   538
  | cases _ g (Proof prf) = g prf;
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   539
19678
d1a15431de34 added mapping;
wenzelm
parents: 19482
diff changeset
   540
fun mapping f g = cases (Theory o f) (Proof o g);
21660
c86b761d6c06 added mapping_result;
wenzelm
parents: 21518
diff changeset
   541
fun mapping_result f g = cases (apsnd Theory o f) (apsnd Proof o g);
19678
d1a15431de34 added mapping;
wenzelm
parents: 19482
diff changeset
   542
23595
7ca68a2c8575 the_theory/proof: error instead of exception Fail;
wenzelm
parents: 23355
diff changeset
   543
val the_theory = cases I (fn _ => error "Ill-typed context: theory expected");
7ca68a2c8575 the_theory/proof: error instead of exception Fail;
wenzelm
parents: 23355
diff changeset
   544
val the_proof = cases (fn _ => error "Ill-typed context: proof expected") I;
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   545
18731
3989c3c41983 rename map_theory/proof to theory/proof_map;
wenzelm
parents: 18711
diff changeset
   546
fun map_theory f = Theory o f o the_theory;
3989c3c41983 rename map_theory/proof to theory/proof_map;
wenzelm
parents: 18711
diff changeset
   547
fun map_proof f = Proof o f o the_proof;
3989c3c41983 rename map_theory/proof to theory/proof_map;
wenzelm
parents: 18711
diff changeset
   548
26486
b65a5272b360 added map_theory_result, map_proof_result;
wenzelm
parents: 26463
diff changeset
   549
fun map_theory_result f = apsnd Theory o f o the_theory;
b65a5272b360 added map_theory_result, map_proof_result;
wenzelm
parents: 26463
diff changeset
   550
fun map_proof_result f = apsnd Proof o f o the_proof;
b65a5272b360 added map_theory_result, map_proof_result;
wenzelm
parents: 26463
diff changeset
   551
18731
3989c3c41983 rename map_theory/proof to theory/proof_map;
wenzelm
parents: 18711
diff changeset
   552
fun theory_map f = the_theory o f o Theory;
3989c3c41983 rename map_theory/proof to theory/proof_map;
wenzelm
parents: 18711
diff changeset
   553
fun proof_map f = the_proof o f o Proof;
18665
5198a2c4c00e added map_theory, map_proof;
wenzelm
parents: 18632
diff changeset
   554
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 41711
diff changeset
   555
val theory_of = cases I Proof_Context.theory_of;
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 41711
diff changeset
   556
val proof_of = cases Proof_Context.init_global I;
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   557
22085
c138cfd500f7 ML context: full generic context, tuned signature;
wenzelm
parents: 21962
diff changeset
   558
42383
0ae4ad40d7b5 simplified pretty printing context, which is only required for certain kernel operations;
wenzelm
parents: 42360
diff changeset
   559
(* pretty printing context *)
0ae4ad40d7b5 simplified pretty printing context, which is only required for certain kernel operations;
wenzelm
parents: 42360
diff changeset
   560
0ae4ad40d7b5 simplified pretty printing context, which is only required for certain kernel operations;
wenzelm
parents: 42360
diff changeset
   561
exception PRETTY of generic;
0ae4ad40d7b5 simplified pretty printing context, which is only required for certain kernel operations;
wenzelm
parents: 42360
diff changeset
   562
47005
421760a1efe7 maintain generic context naming in structure Name_Space (NB: empty = default_naming, init = local_naming);
wenzelm
parents: 43684
diff changeset
   563
val pretty_generic = Pretty o PRETTY;
421760a1efe7 maintain generic context naming in structure Name_Space (NB: empty = default_naming, init = local_naming);
wenzelm
parents: 43684
diff changeset
   564
val pretty = pretty_generic o Proof;
421760a1efe7 maintain generic context naming in structure Name_Space (NB: empty = default_naming, init = local_naming);
wenzelm
parents: 43684
diff changeset
   565
val pretty_global = pretty_generic o Theory;
42383
0ae4ad40d7b5 simplified pretty printing context, which is only required for certain kernel operations;
wenzelm
parents: 42360
diff changeset
   566
0ae4ad40d7b5 simplified pretty printing context, which is only required for certain kernel operations;
wenzelm
parents: 42360
diff changeset
   567
fun pretty_context init (Pretty (PRETTY context)) = cases init I context;
0ae4ad40d7b5 simplified pretty printing context, which is only required for certain kernel operations;
wenzelm
parents: 42360
diff changeset
   568
0ae4ad40d7b5 simplified pretty printing context, which is only required for certain kernel operations;
wenzelm
parents: 42360
diff changeset
   569
22085
c138cfd500f7 ML context: full generic context, tuned signature;
wenzelm
parents: 21962
diff changeset
   570
26413
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   571
(** thread data **)
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   572
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   573
local val tag = Universal.tag () : generic option Universal.tag in
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   574
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   575
fun thread_data () =
28122
3d099ce624e7 Thread.getLocal/setLocal;
wenzelm
parents: 27341
diff changeset
   576
  (case Thread.getLocal tag of
26413
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   577
    SOME (SOME context) => SOME context
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   578
  | _ => NONE);
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   579
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   580
fun the_thread_data () =
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   581
  (case thread_data () of
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   582
    SOME context => context
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   583
  | _ => error "Unknown context");
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   584
28122
3d099ce624e7 Thread.getLocal/setLocal;
wenzelm
parents: 27341
diff changeset
   585
fun set_thread_data context = Thread.setLocal (tag, context);
26413
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   586
fun setmp_thread_data context = Library.setmp_thread_data tag (thread_data ()) context;
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   587
26428
5b2beca2087d eliminated theory ProtoPure;
wenzelm
parents: 26421
diff changeset
   588
end;
5b2beca2087d eliminated theory ProtoPure;
wenzelm
parents: 26421
diff changeset
   589
5b2beca2087d eliminated theory ProtoPure;
wenzelm
parents: 26421
diff changeset
   590
fun >>> f =
5b2beca2087d eliminated theory ProtoPure;
wenzelm
parents: 26421
diff changeset
   591
  let
26463
9283b4185fdf Context.>> : operate on Context.generic;
wenzelm
parents: 26435
diff changeset
   592
    val (res, context') = f (the_thread_data ());
9283b4185fdf Context.>> : operate on Context.generic;
wenzelm
parents: 26435
diff changeset
   593
    val _ = set_thread_data (SOME context');
26428
5b2beca2087d eliminated theory ProtoPure;
wenzelm
parents: 26421
diff changeset
   594
  in res end;
5b2beca2087d eliminated theory ProtoPure;
wenzelm
parents: 26421
diff changeset
   595
26421
3dfb36923a56 nonfix >>;
wenzelm
parents: 26413
diff changeset
   596
nonfix >>;
26463
9283b4185fdf Context.>> : operate on Context.generic;
wenzelm
parents: 26435
diff changeset
   597
fun >> f = >>> (fn context => ((), f context));
26413
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   598
26428
5b2beca2087d eliminated theory ProtoPure;
wenzelm
parents: 26421
diff changeset
   599
val _ = set_thread_data (SOME (Theory pre_pure_thy));
26413
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   600
6185
11bf7a8b6a02 Global theory context (used to be in Thy/context.ML);
wenzelm
parents:
diff changeset
   601
end;
11bf7a8b6a02 Global theory context (used to be in Thy/context.ML);
wenzelm
parents:
diff changeset
   602
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   603
structure Basic_Context: BASIC_CONTEXT = Context;
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   604
open Basic_Context;
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   605
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   606
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   607
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   608
(*** type-safe interfaces for data declarations ***)
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   609
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   610
(** theory data **)
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   611
34259
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   612
signature THEORY_DATA_PP_ARGS =
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   613
sig
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   614
  type T
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   615
  val empty: T
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   616
  val extend: T -> T
42383
0ae4ad40d7b5 simplified pretty printing context, which is only required for certain kernel operations;
wenzelm
parents: 42360
diff changeset
   617
  val merge: Context.pretty -> T * T -> T
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   618
end;
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   619
34259
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   620
signature THEORY_DATA_ARGS =
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   621
sig
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   622
  type T
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   623
  val empty: T
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   624
  val extend: T -> T
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   625
  val merge: T * T -> T
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   626
end;
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   627
34253
5930c6391126 removed further remains of mutable theory data (cf. 25bd3ed2ac9f);
wenzelm
parents: 34245
diff changeset
   628
signature THEORY_DATA =
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   629
sig
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   630
  type T
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   631
  val get: theory -> T
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   632
  val put: T -> theory -> theory
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   633
  val map: (T -> T) -> theory -> theory
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   634
end;
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   635
34259
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   636
functor Theory_Data_PP(Data: THEORY_DATA_PP_ARGS): THEORY_DATA =
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   637
struct
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   638
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   639
type T = Data.T;
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   640
exception Data of T;
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   641
42818
128cc195ced3 timing of Theory_Data operations, with implicit thread positions when functor is applied;
wenzelm
parents: 42383
diff changeset
   642
val kind =
128cc195ced3 timing of Theory_Data operations, with implicit thread positions when functor is applied;
wenzelm
parents: 42383
diff changeset
   643
  Context.Theory_Data.declare
128cc195ced3 timing of Theory_Data operations, with implicit thread positions when functor is applied;
wenzelm
parents: 42383
diff changeset
   644
    (Position.thread_data ())
128cc195ced3 timing of Theory_Data operations, with implicit thread positions when functor is applied;
wenzelm
parents: 42383
diff changeset
   645
    (Data Data.empty)
128cc195ced3 timing of Theory_Data operations, with implicit thread positions when functor is applied;
wenzelm
parents: 42383
diff changeset
   646
    (fn Data x => Data (Data.extend x))
128cc195ced3 timing of Theory_Data operations, with implicit thread positions when functor is applied;
wenzelm
parents: 42383
diff changeset
   647
    (fn pp => fn (Data x1, Data x2) => Data (Data.merge pp (x1, x2)));
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   648
33033
wenzelm
parents: 33031
diff changeset
   649
val get = Context.Theory_Data.get kind (fn Data x => x);
wenzelm
parents: 33031
diff changeset
   650
val put = Context.Theory_Data.put kind Data;
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   651
fun map f thy = put (f (get thy)) thy;
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   652
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   653
end;
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   654
33517
d064fa48f305 modernized/simplified functor Theory_Data, Proof_Data, Generic_Data: eliminated Pretty.pp, discontinued mutable data;
wenzelm
parents: 33033
diff changeset
   655
functor Theory_Data(Data: THEORY_DATA_ARGS): THEORY_DATA =
34259
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   656
  Theory_Data_PP
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   657
  (
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   658
    type T = Data.T;
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   659
    val empty = Data.empty;
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   660
    val extend = Data.extend;
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   661
    fun merge _ = Data.merge;
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   662
  );
33517
d064fa48f305 modernized/simplified functor Theory_Data, Proof_Data, Generic_Data: eliminated Pretty.pp, discontinued mutable data;
wenzelm
parents: 33033
diff changeset
   663
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   664
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   665
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   666
(** proof data **)
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   667
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   668
signature PROOF_DATA_ARGS =
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   669
sig
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   670
  type T
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   671
  val init: theory -> T
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   672
end;
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   673
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   674
signature PROOF_DATA =
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   675
sig
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   676
  type T
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   677
  val get: Proof.context -> T
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   678
  val put: T -> Proof.context -> Proof.context
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   679
  val map: (T -> T) -> Proof.context -> Proof.context
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   680
end;
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   681
33517
d064fa48f305 modernized/simplified functor Theory_Data, Proof_Data, Generic_Data: eliminated Pretty.pp, discontinued mutable data;
wenzelm
parents: 33033
diff changeset
   682
functor Proof_Data(Data: PROOF_DATA_ARGS): PROOF_DATA =
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   683
struct
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   684
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   685
type T = Data.T;
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   686
exception Data of T;
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   687
33033
wenzelm
parents: 33031
diff changeset
   688
val kind = Context.Proof_Data.declare (Data o Data.init);
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   689
33033
wenzelm
parents: 33031
diff changeset
   690
val get = Context.Proof_Data.get kind (fn Data x => x);
wenzelm
parents: 33031
diff changeset
   691
val put = Context.Proof_Data.put kind Data;
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   692
fun map f prf = put (f (get prf)) prf;
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   693
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   694
end;
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   695
18632
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   696
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   697
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   698
(** generic data **)
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   699
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   700
signature GENERIC_DATA_ARGS =
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   701
sig
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   702
  type T
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   703
  val empty: T
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   704
  val extend: T -> T
33517
d064fa48f305 modernized/simplified functor Theory_Data, Proof_Data, Generic_Data: eliminated Pretty.pp, discontinued mutable data;
wenzelm
parents: 33033
diff changeset
   705
  val merge: T * T -> T
18632
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   706
end;
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   707
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   708
signature GENERIC_DATA =
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   709
sig
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   710
  type T
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   711
  val get: Context.generic -> T
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   712
  val put: T -> Context.generic -> Context.generic
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   713
  val map: (T -> T) -> Context.generic -> Context.generic
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   714
end;
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   715
33517
d064fa48f305 modernized/simplified functor Theory_Data, Proof_Data, Generic_Data: eliminated Pretty.pp, discontinued mutable data;
wenzelm
parents: 33033
diff changeset
   716
functor Generic_Data(Data: GENERIC_DATA_ARGS): GENERIC_DATA =
18632
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   717
struct
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   718
33517
d064fa48f305 modernized/simplified functor Theory_Data, Proof_Data, Generic_Data: eliminated Pretty.pp, discontinued mutable data;
wenzelm
parents: 33033
diff changeset
   719
structure Thy_Data = Theory_Data(Data);
d064fa48f305 modernized/simplified functor Theory_Data, Proof_Data, Generic_Data: eliminated Pretty.pp, discontinued mutable data;
wenzelm
parents: 33033
diff changeset
   720
structure Prf_Data = Proof_Data(type T = Data.T val init = Thy_Data.get);
18632
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   721
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   722
type T = Data.T;
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   723
33033
wenzelm
parents: 33031
diff changeset
   724
fun get (Context.Theory thy) = Thy_Data.get thy
wenzelm
parents: 33031
diff changeset
   725
  | get (Context.Proof prf) = Prf_Data.get prf;
18632
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   726
33033
wenzelm
parents: 33031
diff changeset
   727
fun put x (Context.Theory thy) = Context.Theory (Thy_Data.put x thy)
wenzelm
parents: 33031
diff changeset
   728
  | put x (Context.Proof prf) = Context.Proof (Prf_Data.put x prf);
18632
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   729
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   730
fun map f ctxt = put (f (get ctxt)) ctxt;
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   731
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   732
end;
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   733
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   734
(*hide private interface*)
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   735
structure Context: CONTEXT = Context;
20297
a9a917b356af fake predeclaration of type Proof.context;
wenzelm
parents: 19815
diff changeset
   736