src/Pure/variable.ML
author wenzelm
Thu, 19 Jun 2008 20:48:04 +0200
changeset 27280 2a38802d3649
parent 27119 c36c88fcdd22
child 28625 d51a14105e53
permissions -rw-r--r--
added declare_typ;
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
     1
(*  Title:      Pure/variable.ML
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
     2
    ID:         $Id$
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
     3
    Author:     Makarius
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
     4
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
     5
Fixed type/term variables and polymorphic term abbreviations.
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
     6
*)
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
     7
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
     8
signature VARIABLE =
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
     9
sig
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    10
  val is_body: Proof.context -> bool
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    11
  val set_body: bool -> Proof.context -> Proof.context
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    12
  val restore_body: Proof.context -> Proof.context -> Proof.context
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    13
  val names_of: Proof.context -> Name.context
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    14
  val fixes_of: Proof.context -> (string * string) list
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    15
  val binds_of: Proof.context -> (typ * term) Vartab.table
24765
3128ccd9121f maintain maxidx (analogous to name context);
wenzelm
parents: 24719
diff changeset
    16
  val maxidx_of: Proof.context -> int
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    17
  val constraints_of: Proof.context -> typ Vartab.table * sort Vartab.table
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    18
  val is_declared: Proof.context -> string -> bool
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    19
  val is_fixed: Proof.context -> string -> bool
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    20
  val newly_fixed: Proof.context -> Proof.context -> string -> bool
21571
6096c956a11f added add_fixed;
wenzelm
parents: 21522
diff changeset
    21
  val add_fixed: Proof.context -> term -> (string * typ) list -> (string * typ) list
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    22
  val default_type: Proof.context -> string -> typ option
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    23
  val def_type: Proof.context -> bool -> indexname -> typ option
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    24
  val def_sort: Proof.context -> indexname -> sort option
27280
2a38802d3649 added declare_typ;
wenzelm
parents: 27119
diff changeset
    25
  val declare_names: term -> Proof.context -> Proof.context
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    26
  val declare_constraints: term -> Proof.context -> Proof.context
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    27
  val declare_term: term -> Proof.context -> Proof.context
27280
2a38802d3649 added declare_typ;
wenzelm
parents: 27119
diff changeset
    28
  val declare_typ: typ -> Proof.context -> Proof.context
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    29
  val declare_prf: Proofterm.proof -> Proof.context -> Proof.context
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    30
  val declare_thm: thm -> Proof.context -> Proof.context
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    31
  val thm_context: thm -> Proof.context
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    32
  val variant_frees: Proof.context -> term list -> (string * 'a) list -> (string * 'a) list
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    33
  val add_binds: (indexname * term option) list -> Proof.context -> Proof.context
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    34
  val expand_binds: Proof.context -> term -> term
25325
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
    35
  val lookup_const: Proof.context -> string -> string option
25316
17c183417f93 added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents: 25051
diff changeset
    36
  val is_const: Proof.context -> string -> bool
25325
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
    37
  val declare_const: string * string -> Proof.context -> Proof.context
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    38
  val add_fixes: string list -> Proof.context -> string list * Proof.context
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    39
  val add_fixes_direct: string list -> Proof.context -> Proof.context
21369
6cca4865e388 removed fix_frees interface;
wenzelm
parents: 21355
diff changeset
    40
  val auto_fixes: term -> Proof.context -> Proof.context
20797
c1f0bc7e7d80 renamed Variable.invent_fixes to Variable.variant_fixes;
wenzelm
parents: 20579
diff changeset
    41
  val variant_fixes: string list -> Proof.context -> string list * Proof.context
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    42
  val invent_types: sort list -> Proof.context -> (string * sort) list * Proof.context
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    43
  val export_terms: Proof.context -> Proof.context -> term list -> term list
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    44
  val exportT_terms: Proof.context -> Proof.context -> term list -> term list
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    45
  val exportT: Proof.context -> Proof.context -> thm list -> thm list
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    46
  val export_prf: Proof.context -> Proof.context -> Proofterm.proof -> Proofterm.proof
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    47
  val export: Proof.context -> Proof.context -> thm list -> thm list
21522
bd641d927437 added export_morphism;
wenzelm
parents: 21369
diff changeset
    48
  val export_morphism: Proof.context -> Proof.context -> morphism
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    49
  val importT_inst: term list -> Proof.context -> ((indexname * sort) * typ) list * Proof.context
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    50
  val import_inst: bool -> term list -> Proof.context ->
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    51
    (((indexname * sort) * typ) list * ((indexname * typ) * term) list) * Proof.context
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    52
  val importT_terms: term list -> Proof.context -> term list * Proof.context
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    53
  val import_terms: bool -> term list -> Proof.context -> term list * Proof.context
22601
948f23d4af29 renamed Variable.importT to importT_thms;
wenzelm
parents: 22568
diff changeset
    54
  val importT_thms: thm list -> Proof.context -> (ctyp list * thm list) * Proof.context
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    55
  val import_prf: bool -> Proofterm.proof -> Proof.context -> Proofterm.proof * Proof.context
22568
ed7aa5a350ef renamed Variable.import to import_thms (avoid clash with Alice keywords);
wenzelm
parents: 21799
diff changeset
    56
  val import_thms: bool -> thm list -> Proof.context ->
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    57
    ((ctyp list * cterm list) * thm list) * Proof.context
21287
a713ae348e8a tuned Variable.trade;
wenzelm
parents: 20797
diff changeset
    58
  val tradeT: (Proof.context -> thm list -> thm list) -> Proof.context -> thm list -> thm list
a713ae348e8a tuned Variable.trade;
wenzelm
parents: 20797
diff changeset
    59
  val trade: (Proof.context -> thm list -> thm list) -> Proof.context -> thm list -> thm list
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    60
  val focus: cterm -> Proof.context -> (cterm list * cterm) * Proof.context
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    61
  val focus_subgoal: int -> thm -> Proof.context -> (cterm list * cterm) * Proof.context
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    62
  val warn_extra_tfrees: Proof.context -> Proof.context -> unit
24694
54f06f7feefa added polymorphic_types;
wenzelm
parents: 22846
diff changeset
    63
  val polymorphic_types: Proof.context -> term list -> (indexname * sort) list * term list
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    64
  val polymorphic: Proof.context -> term list -> term list
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
    65
end;
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
    66
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
    67
structure Variable: VARIABLE =
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
    68
struct
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
    69
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
    70
(** local context data **)
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
    71
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
    72
datatype data = Data of
20102
6676a17dfc88 separate names filed (covers fixes/defaults);
wenzelm
parents: 20084
diff changeset
    73
 {is_body: bool,                        (*inner body mode*)
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
    74
  names: Name.context,                  (*type/term variable names*)
25325
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
    75
  consts: string Symtab.table,          (*consts within the local scope*)
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
    76
  fixes: (string * string) list,        (*term fixes -- extern/intern*)
20102
6676a17dfc88 separate names filed (covers fixes/defaults);
wenzelm
parents: 20084
diff changeset
    77
  binds: (typ * term) Vartab.table,     (*term bindings*)
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
    78
  type_occs: string list Symtab.table,  (*type variables -- possibly within term variables*)
24765
3128ccd9121f maintain maxidx (analogous to name context);
wenzelm
parents: 24719
diff changeset
    79
  maxidx: int,                          (*maximum var index*)
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
    80
  constraints:
20102
6676a17dfc88 separate names filed (covers fixes/defaults);
wenzelm
parents: 20084
diff changeset
    81
    typ Vartab.table *                  (*type constraints*)
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
    82
    sort Vartab.table};                 (*default sorts*)
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
    83
25325
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
    84
fun make_data (is_body, names, consts, fixes, binds, type_occs, maxidx, constraints) =
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
    85
  Data {is_body = is_body, names = names, consts = consts, fixes = fixes, binds = binds,
24765
3128ccd9121f maintain maxidx (analogous to name context);
wenzelm
parents: 24719
diff changeset
    86
    type_occs = type_occs, maxidx = maxidx, constraints = constraints};
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
    87
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
    88
structure Data = ProofDataFun
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
    89
(
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
    90
  type T = data;
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
    91
  fun init thy =
25316
17c183417f93 added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents: 25051
diff changeset
    92
    make_data (false, Name.context, Symtab.empty, [], Vartab.empty, Symtab.empty,
24765
3128ccd9121f maintain maxidx (analogous to name context);
wenzelm
parents: 24719
diff changeset
    93
      ~1, (Vartab.empty, Vartab.empty));
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
    94
);
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
    95
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
    96
fun map_data f =
25325
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
    97
  Data.map (fn Data {is_body, names, consts, fixes, binds, type_occs, maxidx, constraints} =>
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
    98
    make_data (f (is_body, names, consts, fixes, binds, type_occs, maxidx, constraints)));
25316
17c183417f93 added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents: 25051
diff changeset
    99
17c183417f93 added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents: 25051
diff changeset
   100
fun map_names f =
25325
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   101
  map_data (fn (is_body, names, consts, fixes, binds, type_occs, maxidx, constraints) =>
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   102
    (is_body, f names, consts, fixes, binds, type_occs, maxidx, constraints));
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   103
25325
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   104
fun map_consts f =
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   105
  map_data (fn (is_body, names, consts, fixes, binds, type_occs, maxidx, constraints) =>
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   106
    (is_body, names, f consts, fixes, binds, type_occs, maxidx, constraints));
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   107
25316
17c183417f93 added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents: 25051
diff changeset
   108
fun map_fixes f =
25325
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   109
  map_data (fn (is_body, names, consts, fixes, binds, type_occs, maxidx, constraints) =>
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   110
    (is_body, names, consts, f fixes, binds, type_occs, maxidx, constraints));
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   111
25316
17c183417f93 added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents: 25051
diff changeset
   112
fun map_binds f =
25325
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   113
  map_data (fn (is_body, names, consts, fixes, binds, type_occs, maxidx, constraints) =>
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   114
    (is_body, names, consts, fixes, f binds, type_occs, maxidx, constraints));
24765
3128ccd9121f maintain maxidx (analogous to name context);
wenzelm
parents: 24719
diff changeset
   115
25316
17c183417f93 added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents: 25051
diff changeset
   116
fun map_type_occs f =
25325
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   117
  map_data (fn (is_body, names, consts, fixes, binds, type_occs, maxidx, constraints) =>
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   118
    (is_body, names, consts, fixes, binds, f type_occs, maxidx, constraints));
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   119
25316
17c183417f93 added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents: 25051
diff changeset
   120
fun map_maxidx f =
25325
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   121
  map_data (fn (is_body, names, consts, fixes, binds, type_occs, maxidx, constraints) =>
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   122
    (is_body, names, consts, fixes, binds, type_occs, f maxidx, constraints));
20102
6676a17dfc88 separate names filed (covers fixes/defaults);
wenzelm
parents: 20084
diff changeset
   123
25316
17c183417f93 added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents: 25051
diff changeset
   124
fun map_constraints f =
25325
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   125
  map_data (fn (is_body, names, consts, fixes, binds, type_occs, maxidx, constraints) =>
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   126
    (is_body, names, consts, fixes, binds, type_occs, maxidx, f constraints));
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   127
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   128
fun rep_data ctxt = Data.get ctxt |> (fn Data args => args);
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   129
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   130
val is_body = #is_body o rep_data;
24765
3128ccd9121f maintain maxidx (analogous to name context);
wenzelm
parents: 24719
diff changeset
   131
25325
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   132
fun set_body b = map_data (fn (_, names, consts, fixes, binds, type_occs, maxidx, constraints) =>
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   133
  (b, names, consts, fixes, binds, type_occs, maxidx, constraints));
24765
3128ccd9121f maintain maxidx (analogous to name context);
wenzelm
parents: 24719
diff changeset
   134
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   135
fun restore_body ctxt = set_body (is_body ctxt);
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   136
20102
6676a17dfc88 separate names filed (covers fixes/defaults);
wenzelm
parents: 20084
diff changeset
   137
val names_of = #names o rep_data;
6676a17dfc88 separate names filed (covers fixes/defaults);
wenzelm
parents: 20084
diff changeset
   138
val fixes_of = #fixes o rep_data;
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   139
val binds_of = #binds o rep_data;
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   140
val type_occs_of = #type_occs o rep_data;
24765
3128ccd9121f maintain maxidx (analogous to name context);
wenzelm
parents: 24719
diff changeset
   141
val maxidx_of = #maxidx o rep_data;
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   142
val constraints_of = #constraints o rep_data;
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   143
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   144
val is_declared = Name.is_declared o names_of;
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   145
fun is_fixed ctxt x = exists (fn (_, y) => x = y) (fixes_of ctxt);
20149
54d4ea7927be added newly_fixed, focus;
wenzelm
parents: 20123
diff changeset
   146
fun newly_fixed inner outer x = is_fixed inner x andalso not (is_fixed outer x);
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   147
21571
6096c956a11f added add_fixed;
wenzelm
parents: 21522
diff changeset
   148
fun add_fixed ctxt = Term.fold_aterms
6096c956a11f added add_fixed;
wenzelm
parents: 21522
diff changeset
   149
  (fn Free (x, T) => if is_fixed ctxt x then insert (op =) (x, T) else I | _ => I);
6096c956a11f added add_fixed;
wenzelm
parents: 21522
diff changeset
   150
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   151
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   152
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   153
(** declarations **)
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   154
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   155
(* default sorts and types *)
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   156
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   157
fun default_type ctxt x = Vartab.lookup (#1 (constraints_of ctxt)) (x, ~1);
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   158
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   159
fun def_type ctxt pattern xi =
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   160
  let val {binds, constraints = (types, _), ...} = rep_data ctxt in
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   161
    (case Vartab.lookup types xi of
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   162
      NONE =>
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   163
        if pattern then NONE
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   164
        else Vartab.lookup binds xi |> Option.map (TypeInfer.polymorphicT o #1)
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   165
    | some => some)
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   166
  end;
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   167
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   168
val def_sort = Vartab.lookup o #2 o constraints_of;
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   169
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   170
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   171
(* names *)
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   172
24765
3128ccd9121f maintain maxidx (analogous to name context);
wenzelm
parents: 24719
diff changeset
   173
fun declare_type_names t =
3128ccd9121f maintain maxidx (analogous to name context);
wenzelm
parents: 24719
diff changeset
   174
  map_names (fold_types (fold_atyps (fn TFree (a, _) => Name.declare a | _ => I)) t) #>
3128ccd9121f maintain maxidx (analogous to name context);
wenzelm
parents: 24719
diff changeset
   175
  map_maxidx (fold_types Term.maxidx_typ t);
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   176
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   177
fun declare_names t =
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   178
  declare_type_names t #>
24765
3128ccd9121f maintain maxidx (analogous to name context);
wenzelm
parents: 24719
diff changeset
   179
  map_names (fold_aterms (fn Free (x, _) => Name.declare x | _ => I) t) #>
3128ccd9121f maintain maxidx (analogous to name context);
wenzelm
parents: 24719
diff changeset
   180
  map_maxidx (Term.maxidx_term t);
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   181
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   182
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   183
(* type occurrences *)
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   184
24719
21d1cdab2d8c declare_constraints: declare (fix) type variables within constraints, but not terms themselves;
wenzelm
parents: 24694
diff changeset
   185
fun decl_type_occsT T = fold_atyps (fn TFree (a, _) => Symtab.default (a, []) | _ => I) T;
21d1cdab2d8c declare_constraints: declare (fix) type variables within constraints, but not terms themselves;
wenzelm
parents: 24694
diff changeset
   186
22671
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   187
val decl_type_occs = fold_term_types
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   188
  (fn Free (x, _) => fold_atyps (fn TFree (a, _) => Symtab.insert_list (op =) (a, x) | _ => I)
24719
21d1cdab2d8c declare_constraints: declare (fix) type variables within constraints, but not terms themselves;
wenzelm
parents: 24694
diff changeset
   189
    | _ => decl_type_occsT);
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   190
24719
21d1cdab2d8c declare_constraints: declare (fix) type variables within constraints, but not terms themselves;
wenzelm
parents: 24694
diff changeset
   191
val declare_type_occsT = map_type_occs o fold_types decl_type_occsT;
22671
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   192
val declare_type_occs = map_type_occs o decl_type_occs;
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   193
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   194
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   195
(* constraints *)
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   196
21355
5c1b1ae737e1 declare_constraints: reset constraint on dummyS;
wenzelm
parents: 21287
diff changeset
   197
fun constrain_tvar (xi, S) =
5c1b1ae737e1 declare_constraints: reset constraint on dummyS;
wenzelm
parents: 21287
diff changeset
   198
  if S = dummyS then Vartab.delete_safe xi else Vartab.update (xi, S);
5c1b1ae737e1 declare_constraints: reset constraint on dummyS;
wenzelm
parents: 21287
diff changeset
   199
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   200
fun declare_constraints t = map_constraints (fn (types, sorts) =>
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   201
  let
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   202
    val types' = fold_aterms
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   203
      (fn Free (x, T) => Vartab.update ((x, ~1), T)
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   204
        | Var v => Vartab.update v
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   205
        | _ => I) t types;
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   206
    val sorts' = fold_types (fold_atyps
21355
5c1b1ae737e1 declare_constraints: reset constraint on dummyS;
wenzelm
parents: 21287
diff changeset
   207
      (fn TFree (x, S) => constrain_tvar ((x, ~1), S)
5c1b1ae737e1 declare_constraints: reset constraint on dummyS;
wenzelm
parents: 21287
diff changeset
   208
        | TVar v => constrain_tvar v
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   209
        | _ => I)) t sorts;
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   210
  in (types', sorts') end)
24719
21d1cdab2d8c declare_constraints: declare (fix) type variables within constraints, but not terms themselves;
wenzelm
parents: 24694
diff changeset
   211
  #> declare_type_occsT t
22711
0b18739c3e81 removed obsolete redeclare_skolems;
wenzelm
parents: 22691
diff changeset
   212
  #> declare_type_names t;
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   213
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   214
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   215
(* common declarations *)
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   216
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   217
fun declare_internal t =
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   218
  declare_names t #>
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   219
  declare_type_occs t;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   220
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   221
fun declare_term t =
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   222
  declare_internal t #>
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   223
  declare_constraints t;
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   224
27280
2a38802d3649 added declare_typ;
wenzelm
parents: 27119
diff changeset
   225
val declare_typ = declare_term o Logic.mk_type;
2a38802d3649 added declare_typ;
wenzelm
parents: 27119
diff changeset
   226
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   227
val declare_prf = Proofterm.fold_proof_terms declare_internal (declare_internal o Logic.mk_type);
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   228
22691
290454649b8c Thm.fold_terms;
wenzelm
parents: 22671
diff changeset
   229
val declare_thm = Thm.fold_terms declare_internal;
21522
bd641d927437 added export_morphism;
wenzelm
parents: 21369
diff changeset
   230
fun thm_context th = declare_thm th (ProofContext.init (Thm.theory_of_thm th));
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   231
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   232
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   233
(* renaming term/type frees *)
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   234
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   235
fun variant_frees ctxt ts frees =
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   236
  let
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   237
    val names = names_of (fold declare_names ts ctxt);
20084
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   238
    val xs = fst (Name.variants (map #1 frees) names);
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   239
  in xs ~~ map snd frees end;
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   240
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   241
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   242
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   243
(** term bindings **)
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   244
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   245
fun add_bind (xi, NONE) = map_binds (Vartab.delete_safe xi)
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   246
  | add_bind ((x, i), SOME t) =
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   247
      let
25051
71cd45fdf332 add_bind: close_schematic_term;
wenzelm
parents: 24848
diff changeset
   248
        val u = Term.close_schematic_term t;
71cd45fdf332 add_bind: close_schematic_term;
wenzelm
parents: 24848
diff changeset
   249
        val U = Term.fastype_of u;
71cd45fdf332 add_bind: close_schematic_term;
wenzelm
parents: 24848
diff changeset
   250
      in declare_term u #> map_binds (Vartab.update ((x, i), (U, u))) end;
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   251
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   252
val add_binds = fold add_bind;
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   253
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   254
fun expand_binds ctxt =
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   255
  let
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   256
    val binds = binds_of ctxt;
21799
a85e3bbc76fb tuned expand_binds;
wenzelm
parents: 21683
diff changeset
   257
    val get = fn Var (xi, _) => Vartab.lookup binds xi | _ => NONE;
a85e3bbc76fb tuned expand_binds;
wenzelm
parents: 21683
diff changeset
   258
  in Envir.beta_norm o Envir.expand_term get end;
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   259
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   260
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   261
25325
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   262
(** consts **)
25316
17c183417f93 added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents: 25051
diff changeset
   263
25325
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   264
val lookup_const = Symtab.lookup o #consts o rep_data;
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   265
val is_const = is_some oo lookup_const;
25316
17c183417f93 added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents: 25051
diff changeset
   266
25325
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   267
val declare_fixed = map_consts o Symtab.delete_safe;
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   268
val declare_const = map_consts o Symtab.update;
25316
17c183417f93 added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents: 25051
diff changeset
   269
17c183417f93 added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents: 25051
diff changeset
   270
17c183417f93 added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents: 25051
diff changeset
   271
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   272
(** fixes **)
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   273
20084
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   274
local
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   275
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   276
fun no_dups [] = ()
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   277
  | no_dups dups = error ("Duplicate fixed variable(s): " ^ commas_quote dups);
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   278
20102
6676a17dfc88 separate names filed (covers fixes/defaults);
wenzelm
parents: 20084
diff changeset
   279
fun new_fixes names' xs xs' =
6676a17dfc88 separate names filed (covers fixes/defaults);
wenzelm
parents: 20084
diff changeset
   280
  map_names (K names') #>
25316
17c183417f93 added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents: 25051
diff changeset
   281
  fold declare_fixed xs #>
20102
6676a17dfc88 separate names filed (covers fixes/defaults);
wenzelm
parents: 20084
diff changeset
   282
  map_fixes (fn fixes => (rev (xs ~~ xs') @ fixes)) #>
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   283
  fold (declare_constraints o Syntax.free) xs' #>
20084
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   284
  pair xs';
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   285
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   286
in
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   287
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   288
fun add_fixes xs ctxt =
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   289
  let
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   290
    val _ =
20084
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   291
      (case filter (can Name.dest_skolem) xs of [] => ()
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   292
      | bads => error ("Illegal internal Skolem constant(s): " ^ commas_quote bads));
20084
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   293
    val _ = no_dups (duplicates (op =) xs);
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   294
    val (ys, zs) = split_list (fixes_of ctxt);
20102
6676a17dfc88 separate names filed (covers fixes/defaults);
wenzelm
parents: 20084
diff changeset
   295
    val names = names_of ctxt;
20084
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   296
    val (xs', names') =
20149
54d4ea7927be added newly_fixed, focus;
wenzelm
parents: 20123
diff changeset
   297
      if is_body ctxt then Name.variants xs names |>> map Name.skolem
20084
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   298
      else (no_dups (xs inter_string ys); no_dups (xs inter_string zs);
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   299
        (xs, fold Name.declare xs names));
20102
6676a17dfc88 separate names filed (covers fixes/defaults);
wenzelm
parents: 20084
diff changeset
   300
  in ctxt |> new_fixes names' xs xs' end;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   301
20797
c1f0bc7e7d80 renamed Variable.invent_fixes to Variable.variant_fixes;
wenzelm
parents: 20579
diff changeset
   302
fun variant_fixes raw_xs ctxt =
20084
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   303
  let
20102
6676a17dfc88 separate names filed (covers fixes/defaults);
wenzelm
parents: 20084
diff changeset
   304
    val names = names_of ctxt;
26714
4773b832f1b1 variant_fixes: preserve internal state, mark skolem only for body mode;
wenzelm
parents: 25573
diff changeset
   305
    val xs = map (fn x => Name.clean x |> can Name.dest_internal x ? Name.internal) raw_xs;
4773b832f1b1 variant_fixes: preserve internal state, mark skolem only for body mode;
wenzelm
parents: 25573
diff changeset
   306
    val (xs', names') = Name.variants xs names |>> (is_body ctxt ? map Name.skolem);
20102
6676a17dfc88 separate names filed (covers fixes/defaults);
wenzelm
parents: 20084
diff changeset
   307
  in ctxt |> new_fixes names' xs xs' end;
20084
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   308
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   309
end;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   310
20251
6379135f21c2 added add_fixes_direct;
wenzelm
parents: 20240
diff changeset
   311
6379135f21c2 added add_fixes_direct;
wenzelm
parents: 20240
diff changeset
   312
fun add_fixes_direct xs ctxt = ctxt
6379135f21c2 added add_fixes_direct;
wenzelm
parents: 20240
diff changeset
   313
  |> set_body false
6379135f21c2 added add_fixes_direct;
wenzelm
parents: 20240
diff changeset
   314
  |> (snd o add_fixes xs)
6379135f21c2 added add_fixes_direct;
wenzelm
parents: 20240
diff changeset
   315
  |> restore_body ctxt;
6379135f21c2 added add_fixes_direct;
wenzelm
parents: 20240
diff changeset
   316
6379135f21c2 added add_fixes_direct;
wenzelm
parents: 20240
diff changeset
   317
fun fix_frees t ctxt = ctxt
6379135f21c2 added add_fixes_direct;
wenzelm
parents: 20240
diff changeset
   318
  |> add_fixes_direct
6379135f21c2 added add_fixes_direct;
wenzelm
parents: 20240
diff changeset
   319
      (rev (fold_aterms (fn Free (x, _) =>
21369
6cca4865e388 removed fix_frees interface;
wenzelm
parents: 21355
diff changeset
   320
        if is_fixed ctxt x then I else insert (op =) x | _ => I) t []));
6cca4865e388 removed fix_frees interface;
wenzelm
parents: 21355
diff changeset
   321
6cca4865e388 removed fix_frees interface;
wenzelm
parents: 21355
diff changeset
   322
fun auto_fixes t ctxt =
6cca4865e388 removed fix_frees interface;
wenzelm
parents: 21355
diff changeset
   323
  (if is_body ctxt then ctxt else fix_frees t ctxt)
20251
6379135f21c2 added add_fixes_direct;
wenzelm
parents: 20240
diff changeset
   324
  |> declare_term t;
6379135f21c2 added add_fixes_direct;
wenzelm
parents: 20240
diff changeset
   325
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   326
fun invent_types Ss ctxt =
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   327
  let
24848
5dbbd33c3236 replaced literal 'a by Name.aT;
wenzelm
parents: 24765
diff changeset
   328
    val tfrees = Name.invents (names_of ctxt) Name.aT (length Ss) ~~ Ss;
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   329
    val ctxt' = fold (declare_constraints o Logic.mk_type o TFree) tfrees ctxt;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   330
  in (tfrees, ctxt') end;
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   331
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   332
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   333
22671
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   334
(** export -- generalize type/term variables (beware of closure sizes) **)
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   335
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   336
fun export_inst inner outer =
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   337
  let
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   338
    val declared_outer = is_declared outer;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   339
    val fixes_inner = fixes_of inner;
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   340
    val fixes_outer = fixes_of outer;
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   341
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   342
    val gen_fixes = map #2 (Library.take (length fixes_inner - length fixes_outer, fixes_inner));
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   343
    val still_fixed = not o member (op =) gen_fixes;
22671
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   344
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   345
    val type_occs_inner = type_occs_of inner;
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   346
    fun gen_fixesT ts =
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   347
      Symtab.fold (fn (a, xs) =>
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   348
        if declared_outer a orelse exists still_fixed xs
22671
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   349
        then I else cons a) (fold decl_type_occs ts type_occs_inner) [];
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   350
  in (gen_fixesT, gen_fixes) end;
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   351
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   352
fun exportT_inst inner outer = #1 (export_inst inner outer);
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   353
22671
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   354
fun exportT_terms inner outer =
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   355
  let val mk_tfrees = exportT_inst inner outer in
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   356
    fn ts => ts |> map
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   357
      (TermSubst.generalize (mk_tfrees ts, [])
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   358
        (fold (Term.fold_types Term.maxidx_typ) ts ~1 + 1))
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   359
  end;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   360
22671
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   361
fun export_terms inner outer =
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   362
  let val (mk_tfrees, tfrees) = export_inst inner outer in
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   363
    fn ts => ts |> map
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   364
      (TermSubst.generalize (mk_tfrees ts, tfrees)
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   365
        (fold Term.maxidx_term ts ~1 + 1))
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   366
  end;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   367
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   368
fun export_prf inner outer prf =
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   369
  let
22671
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   370
    val (mk_tfrees, frees) = export_inst (declare_prf prf inner) outer;
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   371
    val tfrees = mk_tfrees [];
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   372
    val idx = Proofterm.maxidx_proof prf ~1 + 1;
22671
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   373
    val gen_term = TermSubst.generalize_option (tfrees, frees) idx;
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   374
    val gen_typ = TermSubst.generalizeT_option tfrees idx;
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   375
  in Proofterm.map_proof_terms_option gen_term gen_typ prf end;
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   376
22671
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   377
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   378
fun gen_export (mk_tfrees, frees) ths =
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   379
  let
22671
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   380
    val tfrees = mk_tfrees (map Thm.full_prop_of ths);
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   381
    val maxidx = fold Thm.maxidx_thm ths ~1;
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   382
  in map (Thm.generalize (tfrees, frees) (maxidx + 1)) ths end;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   383
22671
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   384
fun exportT inner outer = gen_export (exportT_inst inner outer, []);
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   385
fun export inner outer = gen_export (export_inst inner outer);
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   386
21522
bd641d927437 added export_morphism;
wenzelm
parents: 21369
diff changeset
   387
fun export_morphism inner outer =
bd641d927437 added export_morphism;
wenzelm
parents: 21369
diff changeset
   388
  let
bd641d927437 added export_morphism;
wenzelm
parents: 21369
diff changeset
   389
    val fact = export inner outer;
bd641d927437 added export_morphism;
wenzelm
parents: 21369
diff changeset
   390
    val term = singleton (export_terms inner outer);
bd641d927437 added export_morphism;
wenzelm
parents: 21369
diff changeset
   391
    val typ = Logic.type_map term;
bd641d927437 added export_morphism;
wenzelm
parents: 21369
diff changeset
   392
  in Morphism.morphism {name = I, var = I, typ = typ, term = term, fact = fact} end;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   393
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   394
24765
3128ccd9121f maintain maxidx (analogous to name context);
wenzelm
parents: 24719
diff changeset
   395
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   396
(** import -- fix schematic type/term variables **)
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   397
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   398
fun importT_inst ts ctxt =
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   399
  let
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   400
    val tvars = rev (fold Term.add_tvars ts []);
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   401
    val (tfrees, ctxt') = invent_types (map #2 tvars) ctxt;
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   402
  in (tvars ~~ map TFree tfrees, ctxt') end;
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   403
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   404
fun import_inst is_open ts ctxt =
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   405
  let
26714
4773b832f1b1 variant_fixes: preserve internal state, mark skolem only for body mode;
wenzelm
parents: 25573
diff changeset
   406
    val ren = Name.clean #> (if is_open then I else Name.internal);
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   407
    val (instT, ctxt') = importT_inst ts ctxt;
20509
073a5ed7dd71 moved term subst functions to TermSubst;
wenzelm
parents: 20303
diff changeset
   408
    val vars = map (apsnd (TermSubst.instantiateT instT)) (rev (fold Term.add_vars ts []));
20797
c1f0bc7e7d80 renamed Variable.invent_fixes to Variable.variant_fixes;
wenzelm
parents: 20579
diff changeset
   409
    val (xs, ctxt'') = variant_fixes (map (ren o #1 o #1) vars) ctxt';
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   410
    val inst = vars ~~ map Free (xs ~~ map #2 vars);
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   411
  in ((instT, inst), ctxt'') end;
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   412
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   413
fun importT_terms ts ctxt =
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   414
  let val (instT, ctxt') = importT_inst ts ctxt
20509
073a5ed7dd71 moved term subst functions to TermSubst;
wenzelm
parents: 20303
diff changeset
   415
  in (map (TermSubst.instantiate (instT, [])) ts, ctxt') end;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   416
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   417
fun import_terms is_open ts ctxt =
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   418
  let val (inst, ctxt') = import_inst is_open ts ctxt
20509
073a5ed7dd71 moved term subst functions to TermSubst;
wenzelm
parents: 20303
diff changeset
   419
  in (map (TermSubst.instantiate inst) ts, ctxt') end;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   420
22601
948f23d4af29 renamed Variable.importT to importT_thms;
wenzelm
parents: 22568
diff changeset
   421
fun importT_thms ths ctxt =
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   422
  let
21522
bd641d927437 added export_morphism;
wenzelm
parents: 21369
diff changeset
   423
    val thy = ProofContext.theory_of ctxt;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   424
    val certT = Thm.ctyp_of thy;
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   425
    val (instT, ctxt') = importT_inst (map Thm.full_prop_of ths) ctxt;
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   426
    val instT' = map (fn (v, T) => (certT (TVar v), certT T)) instT;
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   427
    val ths' = map (Thm.instantiate (instT', [])) ths;
20220
5dc68e9ecd9a import(T): result includes fixed types/terms;
wenzelm
parents: 20198
diff changeset
   428
  in ((map #2 instT', ths'), ctxt') end;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   429
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   430
fun import_prf is_open prf ctxt =
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   431
  let
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   432
    val ts = rev (Proofterm.fold_proof_terms cons (cons o Logic.mk_type) prf []);
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   433
    val (insts, ctxt') = import_inst is_open ts ctxt;
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   434
  in (Proofterm.instantiate insts prf, ctxt') end;
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   435
22568
ed7aa5a350ef renamed Variable.import to import_thms (avoid clash with Alice keywords);
wenzelm
parents: 21799
diff changeset
   436
fun import_thms is_open ths ctxt =
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   437
  let
21522
bd641d927437 added export_morphism;
wenzelm
parents: 21369
diff changeset
   438
    val thy = ProofContext.theory_of ctxt;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   439
    val cert = Thm.cterm_of thy;
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   440
    val certT = Thm.ctyp_of thy;
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   441
    val ((instT, inst), ctxt') = import_inst is_open (map Thm.full_prop_of ths) ctxt;
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   442
    val instT' = map (fn (v, T) => (certT (TVar v), certT T)) instT;
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   443
    val inst' = map (fn (v, t) => (cert (Var v), cert t)) inst;
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   444
    val ths' = map (Thm.instantiate (instT', inst')) ths;
20220
5dc68e9ecd9a import(T): result includes fixed types/terms;
wenzelm
parents: 20198
diff changeset
   445
  in (((map #2 instT', map #2 inst'), ths'), ctxt') end;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   446
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   447
19926
feb4d150cfd8 added declare_thm, thm_context;
wenzelm
parents: 19911
diff changeset
   448
(* import/export *)
feb4d150cfd8 added declare_thm, thm_context;
wenzelm
parents: 19911
diff changeset
   449
21287
a713ae348e8a tuned Variable.trade;
wenzelm
parents: 20797
diff changeset
   450
fun gen_trade imp exp f ctxt ths =
20220
5dc68e9ecd9a import(T): result includes fixed types/terms;
wenzelm
parents: 20198
diff changeset
   451
  let val ((_, ths'), ctxt') = imp ths ctxt
21287
a713ae348e8a tuned Variable.trade;
wenzelm
parents: 20797
diff changeset
   452
  in exp ctxt' ctxt (f ctxt' ths') end;
19926
feb4d150cfd8 added declare_thm, thm_context;
wenzelm
parents: 19911
diff changeset
   453
22601
948f23d4af29 renamed Variable.importT to importT_thms;
wenzelm
parents: 22568
diff changeset
   454
val tradeT = gen_trade importT_thms exportT;
22568
ed7aa5a350ef renamed Variable.import to import_thms (avoid clash with Alice keywords);
wenzelm
parents: 21799
diff changeset
   455
val trade = gen_trade (import_thms true) export;
19926
feb4d150cfd8 added declare_thm, thm_context;
wenzelm
parents: 19911
diff changeset
   456
feb4d150cfd8 added declare_thm, thm_context;
wenzelm
parents: 19911
diff changeset
   457
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   458
(* focus on outermost parameters *)
20149
54d4ea7927be added newly_fixed, focus;
wenzelm
parents: 20123
diff changeset
   459
54d4ea7927be added newly_fixed, focus;
wenzelm
parents: 20123
diff changeset
   460
fun forall_elim_prop t prop =
20579
4dc799edef89 Thm.dest_arg;
wenzelm
parents: 20509
diff changeset
   461
  Thm.beta_conversion false (Thm.capply (Thm.dest_arg prop) t)
4dc799edef89 Thm.dest_arg;
wenzelm
parents: 20509
diff changeset
   462
  |> Thm.cprop_of |> Thm.dest_arg;
20149
54d4ea7927be added newly_fixed, focus;
wenzelm
parents: 20123
diff changeset
   463
54d4ea7927be added newly_fixed, focus;
wenzelm
parents: 20123
diff changeset
   464
fun focus goal ctxt =
54d4ea7927be added newly_fixed, focus;
wenzelm
parents: 20123
diff changeset
   465
  let
54d4ea7927be added newly_fixed, focus;
wenzelm
parents: 20123
diff changeset
   466
    val cert = Thm.cterm_of (Thm.theory_of_cterm goal);
54d4ea7927be added newly_fixed, focus;
wenzelm
parents: 20123
diff changeset
   467
    val t = Thm.term_of goal;
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   468
    val ps = Term.variant_frees t (Term.strip_all_vars t);   (*as they are printed :-*)
20149
54d4ea7927be added newly_fixed, focus;
wenzelm
parents: 20123
diff changeset
   469
    val (xs, Ts) = split_list ps;
20797
c1f0bc7e7d80 renamed Variable.invent_fixes to Variable.variant_fixes;
wenzelm
parents: 20579
diff changeset
   470
    val (xs', ctxt') = variant_fixes xs ctxt;
20220
5dc68e9ecd9a import(T): result includes fixed types/terms;
wenzelm
parents: 20198
diff changeset
   471
    val ps' = ListPair.map (cert o Free) (xs', Ts);
5dc68e9ecd9a import(T): result includes fixed types/terms;
wenzelm
parents: 20198
diff changeset
   472
    val goal' = fold forall_elim_prop ps' goal;
27119
c36c88fcdd22 focus: actually declare constraints for local parameters;
wenzelm
parents: 26714
diff changeset
   473
    val ctxt'' = ctxt' |> fold (declare_constraints o Thm.term_of) ps';
c36c88fcdd22 focus: actually declare constraints for local parameters;
wenzelm
parents: 26714
diff changeset
   474
  in ((ps', goal'), ctxt'') end;
20149
54d4ea7927be added newly_fixed, focus;
wenzelm
parents: 20123
diff changeset
   475
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   476
fun focus_subgoal i st =
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   477
  let
22691
290454649b8c Thm.fold_terms;
wenzelm
parents: 22671
diff changeset
   478
    val all_vars = Thm.fold_terms Term.add_vars st [];
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   479
    val no_binds = map (fn (xi, _) => (xi, NONE)) all_vars;
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   480
  in
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   481
    add_binds no_binds #>
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   482
    fold (declare_constraints o Var) all_vars #>
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   483
    focus (Thm.cprem_of st i)
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   484
  end;
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   485
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   486
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   487
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   488
(** implicit polymorphism **)
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   489
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   490
(* warn_extra_tfrees *)
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   491
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   492
fun warn_extra_tfrees ctxt1 ctxt2 =
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   493
  let
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   494
    fun occs_typ a = Term.exists_subtype (fn TFree (b, _) => a = b | _ => false);
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   495
    fun occs_free a x =
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   496
      (case def_type ctxt1 false (x, ~1) of
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   497
        SOME T => if occs_typ a T then I else cons (a, x)
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   498
      | NONE => cons (a, x));
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   499
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   500
    val occs1 = type_occs_of ctxt1;
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   501
    val occs2 = type_occs_of ctxt2;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   502
    val extras = Symtab.fold (fn (a, xs) =>
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   503
      if Symtab.defined occs1 a then I else fold (occs_free a) xs) occs2 [];
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   504
    val tfrees = map #1 extras |> sort_distinct string_ord;
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   505
    val frees = map #2 extras |> sort_distinct string_ord;
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   506
  in
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   507
    if null extras then ()
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   508
    else warning ("Introduced fixed type variable(s): " ^ commas tfrees ^ " in " ^
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   509
      space_implode " or " (map quote frees))
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   510
  end;
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   511
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   512
20149
54d4ea7927be added newly_fixed, focus;
wenzelm
parents: 20123
diff changeset
   513
(* polymorphic terms *)
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   514
24694
54f06f7feefa added polymorphic_types;
wenzelm
parents: 22846
diff changeset
   515
fun polymorphic_types ctxt ts =
20003
aac2c0d29751 polymorphic: always generalize wrt. used_types;
wenzelm
parents: 19926
diff changeset
   516
  let
aac2c0d29751 polymorphic: always generalize wrt. used_types;
wenzelm
parents: 19926
diff changeset
   517
    val ctxt' = fold declare_term ts ctxt;
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   518
    val occs = type_occs_of ctxt;
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   519
    val occs' = type_occs_of ctxt';
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   520
    val types = Symtab.fold (fn (a, _) => if Symtab.defined occs a then I else cons a) occs' [];
24765
3128ccd9121f maintain maxidx (analogous to name context);
wenzelm
parents: 24719
diff changeset
   521
    val idx = maxidx_of ctxt' + 1;
24694
54f06f7feefa added polymorphic_types;
wenzelm
parents: 22846
diff changeset
   522
    val Ts' = (fold o fold_types o fold_atyps)
54f06f7feefa added polymorphic_types;
wenzelm
parents: 22846
diff changeset
   523
      (fn T as TFree _ =>
54f06f7feefa added polymorphic_types;
wenzelm
parents: 22846
diff changeset
   524
          (case TermSubst.generalizeT types idx T of TVar v => insert (op =) v | _ => I)
54f06f7feefa added polymorphic_types;
wenzelm
parents: 22846
diff changeset
   525
        | _ => I) ts [];
54f06f7feefa added polymorphic_types;
wenzelm
parents: 22846
diff changeset
   526
    val ts' = map (TermSubst.generalize (types, []) idx) ts;
54f06f7feefa added polymorphic_types;
wenzelm
parents: 22846
diff changeset
   527
  in (rev Ts', ts') end;
54f06f7feefa added polymorphic_types;
wenzelm
parents: 22846
diff changeset
   528
54f06f7feefa added polymorphic_types;
wenzelm
parents: 22846
diff changeset
   529
fun polymorphic ctxt ts = snd (polymorphic_types ctxt ts);
20003
aac2c0d29751 polymorphic: always generalize wrt. used_types;
wenzelm
parents: 19926
diff changeset
   530
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   531
end;