src/Pure/variable.ML
author wenzelm
Thu, 20 Feb 2014 21:27:14 +0100
changeset 55635 00e900057b38
parent 55014 a93f496f6c30
child 55948 bb21b380f65d
permissions -rw-r--r--
tuned signature; tuned message;
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
    Author:     Makarius
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
     3
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
     4
Fixed type/term variables and polymorphic term abbreviations.
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
     5
*)
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
signature VARIABLE =
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
     8
sig
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
     9
  val is_body: Proof.context -> bool
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    10
  val set_body: bool -> Proof.context -> Proof.context
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    11
  val restore_body: Proof.context -> Proof.context -> Proof.context
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    12
  val names_of: Proof.context -> Name.context
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    13
  val binds_of: Proof.context -> (typ * term) Vartab.table
24765
3128ccd9121f maintain maxidx (analogous to name context);
wenzelm
parents: 24719
diff changeset
    14
  val maxidx_of: Proof.context -> int
28625
d51a14105e53 maintain sort occurrences of declared terms;
wenzelm
parents: 27280
diff changeset
    15
  val sorts_of: Proof.context -> sort list
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    16
  val constraints_of: Proof.context -> typ Vartab.table * sort Vartab.table
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    17
  val is_declared: Proof.context -> string -> bool
42494
eef1a23c9077 tuned signature -- eliminated odd comment;
wenzelm
parents: 42493
diff changeset
    18
  val check_name: binding -> string
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    19
  val default_type: Proof.context -> string -> typ option
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    20
  val def_type: Proof.context -> bool -> indexname -> typ option
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    21
  val def_sort: Proof.context -> indexname -> sort option
27280
2a38802d3649 added declare_typ;
wenzelm
parents: 27119
diff changeset
    22
  val declare_names: term -> Proof.context -> Proof.context
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    23
  val declare_constraints: term -> Proof.context -> Proof.context
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    24
  val declare_term: term -> Proof.context -> Proof.context
27280
2a38802d3649 added declare_typ;
wenzelm
parents: 27119
diff changeset
    25
  val declare_typ: typ -> Proof.context -> Proof.context
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    26
  val declare_prf: Proofterm.proof -> Proof.context -> Proof.context
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    27
  val declare_thm: thm -> Proof.context -> Proof.context
36603
d5d6111761a6 renamed Variable.thm_context to Variable.global_thm_context to emphasize that this is not the real thing;
wenzelm
parents: 33957
diff changeset
    28
  val global_thm_context: thm -> Proof.context
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    29
  val variant_frees: Proof.context -> term list -> (string * 'a) list -> (string * 'a) list
30756
1a9f93c1ed22 replaced add_binds by singleton bind_term;
wenzelm
parents: 29605
diff changeset
    30
  val bind_term: indexname * term option -> Proof.context -> Proof.context
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    31
  val expand_binds: Proof.context -> term -> term
25325
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
    32
  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
    33
  val is_const: Proof.context -> string -> bool
25325
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
    34
  val declare_const: string * string -> Proof.context -> Proof.context
55635
00e900057b38 tuned signature;
wenzelm
parents: 55014
diff changeset
    35
  val next_bound: string * typ -> Proof.context -> term * Proof.context
55014
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
    36
  val revert_bounds: Proof.context -> term -> term
42488
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
    37
  val is_fixed: Proof.context -> string -> bool
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
    38
  val newly_fixed: Proof.context -> Proof.context -> string -> bool
42493
01430341fc79 more informative markup for fixed variables (via name space entry);
wenzelm
parents: 42488
diff changeset
    39
  val fixed_ord: Proof.context -> string * string -> order
42488
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
    40
  val intern_fixed: Proof.context -> string -> string
42493
01430341fc79 more informative markup for fixed variables (via name space entry);
wenzelm
parents: 42488
diff changeset
    41
  val markup_fixed: Proof.context -> string -> Markup.T
42488
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
    42
  val lookup_fixed: Proof.context -> string -> string option
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
    43
  val revert_fixed: Proof.context -> string -> string
42482
42c7ef050bc3 more uniform Variable.add_frees/add_fixed etc.;
wenzelm
parents: 42360
diff changeset
    44
  val add_fixed_names: Proof.context -> term -> string list -> string list
42c7ef050bc3 more uniform Variable.add_frees/add_fixed etc.;
wenzelm
parents: 42360
diff changeset
    45
  val add_fixed: Proof.context -> term -> (string * typ) list -> (string * typ) list
42c7ef050bc3 more uniform Variable.add_frees/add_fixed etc.;
wenzelm
parents: 42360
diff changeset
    46
  val add_free_names: Proof.context -> term -> string list -> string list
42c7ef050bc3 more uniform Variable.add_frees/add_fixed etc.;
wenzelm
parents: 42360
diff changeset
    47
  val add_frees: Proof.context -> term -> (string * typ) list -> (string * typ) list
42488
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
    48
  val add_fixes_binding: binding list -> Proof.context -> string list * Proof.context
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    49
  val add_fixes: string list -> Proof.context -> string list * Proof.context
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    50
  val add_fixes_direct: string list -> Proof.context -> Proof.context
21369
6cca4865e388 removed fix_frees interface;
wenzelm
parents: 21355
diff changeset
    51
  val auto_fixes: term -> Proof.context -> Proof.context
20797
c1f0bc7e7d80 renamed Variable.invent_fixes to Variable.variant_fixes;
wenzelm
parents: 20579
diff changeset
    52
  val variant_fixes: string list -> Proof.context -> string list * Proof.context
42488
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
    53
  val dest_fixes: Proof.context -> (string * string) list
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    54
  val invent_types: sort list -> Proof.context -> (string * sort) list * Proof.context
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    55
  val export_terms: Proof.context -> Proof.context -> term list -> term list
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    56
  val exportT_terms: Proof.context -> Proof.context -> term list -> term list
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    57
  val exportT: Proof.context -> Proof.context -> thm list -> thm list
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    58
  val export_prf: Proof.context -> Proof.context -> Proofterm.proof -> Proofterm.proof
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    59
  val export: Proof.context -> Proof.context -> thm list -> thm list
21522
bd641d927437 added export_morphism;
wenzelm
parents: 21369
diff changeset
    60
  val export_morphism: Proof.context -> Proof.context -> morphism
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    61
  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
    62
  val import_inst: bool -> term list -> Proof.context ->
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    63
    (((indexname * sort) * typ) list * ((indexname * typ) * term) list) * Proof.context
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    64
  val importT_terms: term list -> Proof.context -> term list * Proof.context
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    65
  val import_terms: bool -> term list -> Proof.context -> term list * Proof.context
32280
4fb3f426052a Variable.importT/import: return full instantiations, tuned;
wenzelm
parents: 32199
diff changeset
    66
  val importT: thm list -> Proof.context -> ((ctyp * ctyp) list * thm list) * Proof.context
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    67
  val import_prf: bool -> Proofterm.proof -> Proof.context -> Proofterm.proof * Proof.context
31794
71af1fd6a5e4 renamed Variable.import_thms to Variable.import (back again cf. ed7aa5a350ef -- Alice is no longer supported);
wenzelm
parents: 30756
diff changeset
    68
  val import: bool -> thm list -> Proof.context ->
32280
4fb3f426052a Variable.importT/import: return full instantiations, tuned;
wenzelm
parents: 32199
diff changeset
    69
    (((ctyp * ctyp) list * (cterm * cterm) list) * thm list) * Proof.context
21287
a713ae348e8a tuned Variable.trade;
wenzelm
parents: 20797
diff changeset
    70
  val tradeT: (Proof.context -> thm list -> thm list) -> Proof.context -> thm list -> thm list
a713ae348e8a tuned Variable.trade;
wenzelm
parents: 20797
diff changeset
    71
  val trade: (Proof.context -> thm list -> thm list) -> Proof.context -> thm list -> thm list
42495
1af81b70cf09 clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents: 42494
diff changeset
    72
  val focus: term -> Proof.context -> ((string * (string * typ)) list * term) * Proof.context
1af81b70cf09 clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents: 42494
diff changeset
    73
  val focus_cterm: cterm -> Proof.context -> ((string * cterm) list * cterm) * Proof.context
32199
82c4c570310a Variable.focus: named parameters;
wenzelm
parents: 31977
diff changeset
    74
  val focus_subgoal: int -> thm -> Proof.context -> ((string * cterm) list * cterm) * Proof.context
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
    75
  val warn_extra_tfrees: Proof.context -> Proof.context -> unit
24694
54f06f7feefa added polymorphic_types;
wenzelm
parents: 22846
diff changeset
    76
  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
    77
  val polymorphic: Proof.context -> term list -> term list
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
    78
end;
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
    79
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
    80
structure Variable: VARIABLE =
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
    81
struct
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
    82
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
    83
(** local context data **)
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
    84
42488
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
    85
type fixes = string Name_Space.table;
50201
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 49688
diff changeset
    86
val empty_fixes: fixes = Name_Space.empty_table Markup.fixedN;
42488
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
    87
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
    88
datatype data = Data of
20102
6676a17dfc88 separate names filed (covers fixes/defaults);
wenzelm
parents: 20084
diff changeset
    89
 {is_body: bool,                        (*inner body mode*)
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
    90
  names: Name.context,                  (*type/term variable names*)
25325
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
    91
  consts: string Symtab.table,          (*consts within the local scope*)
55014
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
    92
  bounds: int * ((string * typ) * string) list,  (*next index, internal name, type, external name*)
42488
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
    93
  fixes: fixes,                         (*term fixes -- global name space, intern ~> extern*)
20102
6676a17dfc88 separate names filed (covers fixes/defaults);
wenzelm
parents: 20084
diff changeset
    94
  binds: (typ * term) Vartab.table,     (*term bindings*)
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
    95
  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
    96
  maxidx: int,                          (*maximum var index*)
40124
fc77d3211f71 recovered some odd two-dimensional layout;
wenzelm
parents: 39687
diff changeset
    97
  sorts: sort Ord_List.T,               (*declared sort occurrences*)
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
    98
  constraints:
20102
6676a17dfc88 separate names filed (covers fixes/defaults);
wenzelm
parents: 20084
diff changeset
    99
    typ Vartab.table *                  (*type constraints*)
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   100
    sort Vartab.table};                 (*default sorts*)
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   101
55014
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   102
fun make_data
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   103
    (is_body, names, consts, bounds, fixes, binds, type_occs, maxidx, sorts, constraints) =
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   104
  Data {is_body = is_body, names = names, consts = consts, bounds = bounds, fixes = fixes,
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   105
    binds = binds, type_occs = type_occs, maxidx = maxidx, sorts = sorts, constraints = constraints};
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   106
33519
e31a85f92ce9 adapted Generic_Data, Proof_Data;
wenzelm
parents: 33049
diff changeset
   107
structure Data = Proof_Data
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   108
(
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   109
  type T = data;
32784
1a5dde5079ac eliminated redundant bindings;
wenzelm
parents: 32280
diff changeset
   110
  fun init _ =
55014
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   111
    make_data (false, Name.context, Symtab.empty, (0, []), empty_fixes, Vartab.empty,
42488
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   112
      Symtab.empty, ~1, [], (Vartab.empty, Vartab.empty));
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   113
);
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   114
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   115
fun map_data f =
55014
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   116
  Data.map (fn
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   117
      Data {is_body, names, consts, bounds, fixes, binds, type_occs, maxidx, sorts, constraints} =>
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   118
    make_data
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   119
      (f (is_body, names, consts, bounds, fixes, binds, type_occs, maxidx, sorts, constraints)));
25316
17c183417f93 added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents: 25051
diff changeset
   120
17c183417f93 added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents: 25051
diff changeset
   121
fun map_names f =
55014
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   122
  map_data (fn
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   123
      (is_body, names, consts, bounds, fixes, binds, type_occs, maxidx, sorts, constraints) =>
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   124
    (is_body, f names, consts, bounds, fixes, binds, type_occs, maxidx, sorts, constraints));
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   125
25325
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   126
fun map_consts f =
55014
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   127
  map_data (fn
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   128
      (is_body, names, consts, bounds, fixes, binds, type_occs, maxidx, sorts, constraints) =>
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   129
    (is_body, names, f consts, bounds, fixes, binds, type_occs, maxidx, sorts, constraints));
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   130
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   131
fun map_bounds f =
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   132
  map_data (fn
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   133
      (is_body, names, consts, bounds, fixes, binds, type_occs, maxidx, sorts, constraints) =>
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   134
    (is_body, names, consts, f bounds, fixes, binds, type_occs, maxidx, sorts, constraints));
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   135
25316
17c183417f93 added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents: 25051
diff changeset
   136
fun map_fixes f =
55014
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   137
  map_data (fn
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   138
      (is_body, names, consts, bounds, fixes, binds, type_occs, maxidx, sorts, constraints) =>
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   139
    (is_body, names, consts, bounds, f fixes, binds, type_occs, maxidx, sorts, constraints));
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   140
25316
17c183417f93 added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents: 25051
diff changeset
   141
fun map_binds f =
55014
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   142
  map_data (fn
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   143
      (is_body, names, consts, bounds, fixes, binds, type_occs, maxidx, sorts, constraints) =>
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   144
    (is_body, names, consts, bounds, fixes, f binds, type_occs, maxidx, sorts, constraints));
24765
3128ccd9121f maintain maxidx (analogous to name context);
wenzelm
parents: 24719
diff changeset
   145
25316
17c183417f93 added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents: 25051
diff changeset
   146
fun map_type_occs f =
55014
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   147
  map_data (fn
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   148
      (is_body, names, consts, bounds, fixes, binds, type_occs, maxidx, sorts, constraints) =>
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   149
    (is_body, names, consts, bounds, fixes, binds, f type_occs, maxidx, sorts, constraints));
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   150
25316
17c183417f93 added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents: 25051
diff changeset
   151
fun map_maxidx f =
55014
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   152
  map_data (fn
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   153
      (is_body, names, consts, bounds, fixes, binds, type_occs, maxidx, sorts, constraints) =>
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   154
    (is_body, names, consts, bounds, fixes, binds, type_occs, f maxidx, sorts, constraints));
28625
d51a14105e53 maintain sort occurrences of declared terms;
wenzelm
parents: 27280
diff changeset
   155
d51a14105e53 maintain sort occurrences of declared terms;
wenzelm
parents: 27280
diff changeset
   156
fun map_sorts f =
55014
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   157
  map_data (fn
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   158
      (is_body, names, consts, bounds, fixes, binds, type_occs, maxidx, sorts, constraints) =>
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   159
    (is_body, names, consts, bounds, fixes, binds, type_occs, maxidx, f sorts, constraints));
20102
6676a17dfc88 separate names filed (covers fixes/defaults);
wenzelm
parents: 20084
diff changeset
   160
25316
17c183417f93 added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents: 25051
diff changeset
   161
fun map_constraints f =
55014
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   162
  map_data (fn
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   163
      (is_body, names, consts, bounds, fixes, binds, type_occs, maxidx, sorts, constraints) =>
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   164
    (is_body, names, consts, bounds, fixes, binds, type_occs, maxidx, sorts, f constraints));
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   165
45650
wenzelm
parents: 45472
diff changeset
   166
fun rep_data ctxt = Data.get ctxt |> (fn Data rep => rep);
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   167
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   168
val is_body = #is_body o rep_data;
24765
3128ccd9121f maintain maxidx (analogous to name context);
wenzelm
parents: 24719
diff changeset
   169
28625
d51a14105e53 maintain sort occurrences of declared terms;
wenzelm
parents: 27280
diff changeset
   170
fun set_body b =
55014
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   171
  map_data (fn (_, names, consts, bounds, fixes, binds, type_occs, maxidx, sorts, constraints) =>
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   172
    (b, names, consts, bounds, fixes, binds, type_occs, maxidx, sorts, constraints));
24765
3128ccd9121f maintain maxidx (analogous to name context);
wenzelm
parents: 24719
diff changeset
   173
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   174
fun restore_body ctxt = set_body (is_body ctxt);
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   175
20102
6676a17dfc88 separate names filed (covers fixes/defaults);
wenzelm
parents: 20084
diff changeset
   176
val names_of = #names o rep_data;
6676a17dfc88 separate names filed (covers fixes/defaults);
wenzelm
parents: 20084
diff changeset
   177
val fixes_of = #fixes o rep_data;
42493
01430341fc79 more informative markup for fixed variables (via name space entry);
wenzelm
parents: 42488
diff changeset
   178
val fixes_space = #1 o fixes_of;
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   179
val binds_of = #binds o rep_data;
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   180
val type_occs_of = #type_occs o rep_data;
24765
3128ccd9121f maintain maxidx (analogous to name context);
wenzelm
parents: 24719
diff changeset
   181
val maxidx_of = #maxidx o rep_data;
28625
d51a14105e53 maintain sort occurrences of declared terms;
wenzelm
parents: 27280
diff changeset
   182
val sorts_of = #sorts o rep_data;
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   183
val constraints_of = #constraints o rep_data;
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   184
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   185
val is_declared = Name.is_declared o names_of;
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   186
47021
f35f654f297d clarified Binding.name_of vs Name_Space.base_name vs Variable.check_name (see also 9bd8d4addd6e, 3305f573294e);
wenzelm
parents: 47005
diff changeset
   187
val check_name = Name_Space.base_name o tap Binding.check;
42357
3305f573294e tuned signature, disentangled dependencies;
wenzelm
parents: 40124
diff changeset
   188
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   189
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   190
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   191
(** declarations **)
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   192
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   193
(* default sorts and types *)
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
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
   196
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   197
fun def_type ctxt pattern xi =
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   198
  let val {binds, constraints = (types, _), ...} = rep_data ctxt in
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   199
    (case Vartab.lookup types xi of
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   200
      NONE =>
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   201
        if pattern then NONE
39290
44e4d8dfd6bf load type_infer.ML later -- proper context for Type_Infer.infer_types;
wenzelm
parents: 38831
diff changeset
   202
        else Vartab.lookup binds xi |> Option.map (Type.mark_polymorphic o #1)
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   203
    | some => some)
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   204
  end;
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   205
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   206
val def_sort = Vartab.lookup o #2 o constraints_of;
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   207
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   208
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   209
(* names *)
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   210
24765
3128ccd9121f maintain maxidx (analogous to name context);
wenzelm
parents: 24719
diff changeset
   211
fun declare_type_names t =
29279
7456a64bc4f6 Term.declare_typ_names, Term.declare_term_frees;
wenzelm
parents: 28965
diff changeset
   212
  map_names (fold_types (fold_atyps Term.declare_typ_names) t) #>
24765
3128ccd9121f maintain maxidx (analogous to name context);
wenzelm
parents: 24719
diff changeset
   213
  map_maxidx (fold_types Term.maxidx_typ t);
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   214
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   215
fun declare_names t =
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   216
  declare_type_names t #>
29279
7456a64bc4f6 Term.declare_typ_names, Term.declare_term_frees;
wenzelm
parents: 28965
diff changeset
   217
  map_names (fold_aterms Term.declare_term_frees t) #>
24765
3128ccd9121f maintain maxidx (analogous to name context);
wenzelm
parents: 24719
diff changeset
   218
  map_maxidx (Term.maxidx_term t);
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   219
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   220
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   221
(* type occurrences *)
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   222
24719
21d1cdab2d8c declare_constraints: declare (fix) type variables within constraints, but not terms themselves;
wenzelm
parents: 24694
diff changeset
   223
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
   224
22671
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   225
val decl_type_occs = fold_term_types
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   226
  (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
   227
    | _ => decl_type_occsT);
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   228
24719
21d1cdab2d8c declare_constraints: declare (fix) type variables within constraints, but not terms themselves;
wenzelm
parents: 24694
diff changeset
   229
val declare_type_occsT = map_type_occs o fold_types decl_type_occsT;
22671
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   230
val declare_type_occs = map_type_occs o decl_type_occs;
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   231
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   232
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   233
(* constraints *)
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   234
49685
4341e4d86872 allow position constraints to coexist with 0 or 1 sort constraints;
wenzelm
parents: 49674
diff changeset
   235
fun constrain_tvar (xi, raw_S) =
49688
wenzelm
parents: 49685
diff changeset
   236
  let val S = #2 (Term_Position.decode_positionS raw_S)
49685
4341e4d86872 allow position constraints to coexist with 0 or 1 sort constraints;
wenzelm
parents: 49674
diff changeset
   237
  in if S = dummyS then Vartab.delete_safe xi else Vartab.update (xi, S) end;
21355
5c1b1ae737e1 declare_constraints: reset constraint on dummyS;
wenzelm
parents: 21287
diff changeset
   238
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   239
fun declare_constraints t = map_constraints (fn (types, sorts) =>
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   240
  let
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   241
    val types' = fold_aterms
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   242
      (fn Free (x, T) => Vartab.update ((x, ~1), T)
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   243
        | Var v => Vartab.update v
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   244
        | _ => I) t types;
45426
wenzelm
parents: 45396
diff changeset
   245
    val sorts' = (fold_types o fold_atyps)
21355
5c1b1ae737e1 declare_constraints: reset constraint on dummyS;
wenzelm
parents: 21287
diff changeset
   246
      (fn TFree (x, S) => constrain_tvar ((x, ~1), S)
5c1b1ae737e1 declare_constraints: reset constraint on dummyS;
wenzelm
parents: 21287
diff changeset
   247
        | TVar v => constrain_tvar v
45426
wenzelm
parents: 45396
diff changeset
   248
        | _ => I) t sorts;
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   249
  in (types', sorts') end)
24719
21d1cdab2d8c declare_constraints: declare (fix) type variables within constraints, but not terms themselves;
wenzelm
parents: 24694
diff changeset
   250
  #> declare_type_occsT t
22711
0b18739c3e81 removed obsolete redeclare_skolems;
wenzelm
parents: 22691
diff changeset
   251
  #> declare_type_names t;
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   252
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   253
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   254
(* common declarations *)
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   255
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   256
fun declare_internal t =
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   257
  declare_names t #>
28625
d51a14105e53 maintain sort occurrences of declared terms;
wenzelm
parents: 27280
diff changeset
   258
  declare_type_occs t #>
d51a14105e53 maintain sort occurrences of declared terms;
wenzelm
parents: 27280
diff changeset
   259
  map_sorts (Sorts.insert_term t);
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   260
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   261
fun declare_term t =
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   262
  declare_internal t #>
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   263
  declare_constraints t;
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   264
27280
2a38802d3649 added declare_typ;
wenzelm
parents: 27119
diff changeset
   265
val declare_typ = declare_term o Logic.mk_type;
2a38802d3649 added declare_typ;
wenzelm
parents: 27119
diff changeset
   266
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   267
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
   268
22691
290454649b8c Thm.fold_terms;
wenzelm
parents: 22671
diff changeset
   269
val declare_thm = Thm.fold_terms declare_internal;
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42357
diff changeset
   270
fun global_thm_context th = declare_thm th (Proof_Context.init_global (Thm.theory_of_thm th));
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   271
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   272
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   273
(* renaming term/type frees *)
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   274
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   275
fun variant_frees ctxt ts frees =
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   276
  let
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   277
    val names = names_of (fold declare_names ts ctxt);
43326
47cf4bc789aa simplified Name.variant -- discontinued builtin fold_map;
wenzelm
parents: 42495
diff changeset
   278
    val xs = fst (fold_map Name.variant (map #1 frees) names);
20084
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   279
  in xs ~~ map snd frees end;
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   280
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   281
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   282
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   283
(** term bindings **)
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   284
30756
1a9f93c1ed22 replaced add_binds by singleton bind_term;
wenzelm
parents: 29605
diff changeset
   285
fun bind_term (xi, NONE) = map_binds (Vartab.delete_safe xi)
1a9f93c1ed22 replaced add_binds by singleton bind_term;
wenzelm
parents: 29605
diff changeset
   286
  | bind_term ((x, i), SOME t) =
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   287
      let
25051
71cd45fdf332 add_bind: close_schematic_term;
wenzelm
parents: 24848
diff changeset
   288
        val u = Term.close_schematic_term t;
71cd45fdf332 add_bind: close_schematic_term;
wenzelm
parents: 24848
diff changeset
   289
        val U = Term.fastype_of u;
71cd45fdf332 add_bind: close_schematic_term;
wenzelm
parents: 24848
diff changeset
   290
      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
   291
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   292
fun expand_binds ctxt =
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   293
  let
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   294
    val binds = binds_of ctxt;
21799
a85e3bbc76fb tuned expand_binds;
wenzelm
parents: 21683
diff changeset
   295
    val get = fn Var (xi, _) => Vartab.lookup binds xi | _ => NONE;
a85e3bbc76fb tuned expand_binds;
wenzelm
parents: 21683
diff changeset
   296
  in Envir.beta_norm o Envir.expand_term get end;
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   297
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   298
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   299
25325
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   300
(** consts **)
25316
17c183417f93 added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents: 25051
diff changeset
   301
25325
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   302
val lookup_const = Symtab.lookup o #consts o rep_data;
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   303
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
   304
25325
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   305
val declare_fixed = map_consts o Symtab.delete_safe;
0659c05cc107 refined notion of consts within the local scope;
wenzelm
parents: 25316
diff changeset
   306
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
   307
17c183417f93 added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents: 25051
diff changeset
   308
17c183417f93 added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents: 25051
diff changeset
   309
55014
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   310
(** bounds **)
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   311
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   312
fun next_bound (a, T) ctxt =
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   313
  let
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   314
    val b = Name.bound (#1 (#bounds (rep_data ctxt)));
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   315
    val ctxt' = ctxt |> map_bounds (fn (next, bounds) => (next + 1, ((b, T), a) :: bounds));
55635
00e900057b38 tuned signature;
wenzelm
parents: 55014
diff changeset
   316
  in (Free (b, T), ctxt') end;
55014
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   317
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   318
fun revert_bounds ctxt t =
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   319
  (case #2 (#bounds (rep_data ctxt)) of
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   320
    [] => t
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   321
  | bounds =>
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   322
      let
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   323
        val names = Term.declare_term_names t (names_of ctxt);
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   324
        val xs = rev (#1 (fold_map Name.variant (rev (map #2 bounds)) names));
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   325
        fun subst ((b, T), _) x' = (Free (b, T), Syntax_Trans.mark_bound_abs (x', T));
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   326
      in Term.subst_atomic (map2 subst bounds xs) t end);
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   327
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   328
a93f496f6c30 general notion of auxiliary bounds within context;
wenzelm
parents: 54740
diff changeset
   329
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   330
(** fixes **)
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   331
42488
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   332
(* specialized name space *)
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   333
46869
26a9a4e0a631 more direct Name_Space.defined_entry;
wenzelm
parents: 46497
diff changeset
   334
val is_fixed = Name_Space.defined_entry o fixes_space;
26a9a4e0a631 more direct Name_Space.defined_entry;
wenzelm
parents: 46497
diff changeset
   335
fun newly_fixed inner outer = is_fixed inner andf (not o is_fixed outer);
42488
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   336
42493
01430341fc79 more informative markup for fixed variables (via name space entry);
wenzelm
parents: 42488
diff changeset
   337
val fixed_ord = Name_Space.entry_ord o fixes_space;
01430341fc79 more informative markup for fixed variables (via name space entry);
wenzelm
parents: 42488
diff changeset
   338
val intern_fixed = Name_Space.intern o fixes_space;
42488
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   339
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   340
fun lookup_fixed ctxt x =
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   341
  let val x' = intern_fixed ctxt x
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   342
  in if is_fixed ctxt x' then SOME x' else NONE end;
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   343
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   344
fun revert_fixed ctxt x =
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   345
  (case Symtab.lookup (#2 (fixes_of ctxt)) x of
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   346
    SOME x' => if intern_fixed ctxt x' = x then x' else x
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   347
  | NONE => x);
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   348
45472
2046f8e2ecd7 tuned markup -- prefer user-perspective;
wenzelm
parents: 45454
diff changeset
   349
fun markup_fixed ctxt x =
2046f8e2ecd7 tuned markup -- prefer user-perspective;
wenzelm
parents: 45454
diff changeset
   350
  Name_Space.markup (fixes_space ctxt) x
2046f8e2ecd7 tuned markup -- prefer user-perspective;
wenzelm
parents: 45454
diff changeset
   351
  |> Markup.name (revert_fixed ctxt x);
2046f8e2ecd7 tuned markup -- prefer user-perspective;
wenzelm
parents: 45454
diff changeset
   352
42488
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   353
fun dest_fixes ctxt =
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   354
  let val (space, tab) = fixes_of ctxt
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   355
  in sort (Name_Space.entry_ord space o pairself #2) (map swap (Symtab.dest tab)) end;
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   356
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   357
42482
42c7ef050bc3 more uniform Variable.add_frees/add_fixed etc.;
wenzelm
parents: 42360
diff changeset
   358
(* collect variables *)
42c7ef050bc3 more uniform Variable.add_frees/add_fixed etc.;
wenzelm
parents: 42360
diff changeset
   359
42c7ef050bc3 more uniform Variable.add_frees/add_fixed etc.;
wenzelm
parents: 42360
diff changeset
   360
fun add_free_names ctxt =
42c7ef050bc3 more uniform Variable.add_frees/add_fixed etc.;
wenzelm
parents: 42360
diff changeset
   361
  fold_aterms (fn Free (x, _) => not (is_fixed ctxt x) ? insert (op =) x | _ => I);
42c7ef050bc3 more uniform Variable.add_frees/add_fixed etc.;
wenzelm
parents: 42360
diff changeset
   362
42c7ef050bc3 more uniform Variable.add_frees/add_fixed etc.;
wenzelm
parents: 42360
diff changeset
   363
fun add_frees ctxt =
42c7ef050bc3 more uniform Variable.add_frees/add_fixed etc.;
wenzelm
parents: 42360
diff changeset
   364
  fold_aterms (fn Free (x, T) => not (is_fixed ctxt x) ? insert (op =) (x, T) | _ => I);
42c7ef050bc3 more uniform Variable.add_frees/add_fixed etc.;
wenzelm
parents: 42360
diff changeset
   365
42c7ef050bc3 more uniform Variable.add_frees/add_fixed etc.;
wenzelm
parents: 42360
diff changeset
   366
fun add_fixed_names ctxt =
42c7ef050bc3 more uniform Variable.add_frees/add_fixed etc.;
wenzelm
parents: 42360
diff changeset
   367
  fold_aterms (fn Free (x, _) => is_fixed ctxt x ? insert (op =) x | _ => I);
42c7ef050bc3 more uniform Variable.add_frees/add_fixed etc.;
wenzelm
parents: 42360
diff changeset
   368
42c7ef050bc3 more uniform Variable.add_frees/add_fixed etc.;
wenzelm
parents: 42360
diff changeset
   369
fun add_fixed ctxt =
42c7ef050bc3 more uniform Variable.add_frees/add_fixed etc.;
wenzelm
parents: 42360
diff changeset
   370
  fold_aterms (fn Free (x, T) => is_fixed ctxt x ? insert (op =) (x, T) | _ => I);
42c7ef050bc3 more uniform Variable.add_frees/add_fixed etc.;
wenzelm
parents: 42360
diff changeset
   371
42c7ef050bc3 more uniform Variable.add_frees/add_fixed etc.;
wenzelm
parents: 42360
diff changeset
   372
42c7ef050bc3 more uniform Variable.add_frees/add_fixed etc.;
wenzelm
parents: 42360
diff changeset
   373
(* declarations *)
42c7ef050bc3 more uniform Variable.add_frees/add_fixed etc.;
wenzelm
parents: 42360
diff changeset
   374
20084
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   375
local
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   376
42488
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   377
fun err_dups dups =
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   378
  error ("Duplicate fixed variable(s): " ^ commas (map Binding.print dups));
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   379
42488
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   380
fun new_fixed ((x, x'), pos) ctxt =
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   381
  if is_some (lookup_fixed ctxt x') then err_dups [Binding.make (x, pos)]
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   382
  else
47005
421760a1efe7 maintain generic context naming in structure Name_Space (NB: empty = default_naming, init = local_naming);
wenzelm
parents: 46869
diff changeset
   383
    let val context = Context.Proof ctxt |> Name_Space.map_naming (K Name_Space.default_naming) in
421760a1efe7 maintain generic context naming in structure Name_Space (NB: empty = default_naming, init = local_naming);
wenzelm
parents: 46869
diff changeset
   384
      ctxt
421760a1efe7 maintain generic context naming in structure Name_Space (NB: empty = default_naming, init = local_naming);
wenzelm
parents: 46869
diff changeset
   385
      |> map_fixes
421760a1efe7 maintain generic context naming in structure Name_Space (NB: empty = default_naming, init = local_naming);
wenzelm
parents: 46869
diff changeset
   386
        (Name_Space.define context true (Binding.make (x', pos), x) #> snd #>>
421760a1efe7 maintain generic context naming in structure Name_Space (NB: empty = default_naming, init = local_naming);
wenzelm
parents: 46869
diff changeset
   387
          Name_Space.alias Name_Space.default_naming (Binding.make (x, pos)) x')
421760a1efe7 maintain generic context naming in structure Name_Space (NB: empty = default_naming, init = local_naming);
wenzelm
parents: 46869
diff changeset
   388
      |> declare_fixed x
421760a1efe7 maintain generic context naming in structure Name_Space (NB: empty = default_naming, init = local_naming);
wenzelm
parents: 46869
diff changeset
   389
      |> declare_constraints (Syntax.free x')
421760a1efe7 maintain generic context naming in structure Name_Space (NB: empty = default_naming, init = local_naming);
wenzelm
parents: 46869
diff changeset
   390
  end;
42488
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   391
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   392
fun new_fixes names' xs xs' ps =
20102
6676a17dfc88 separate names filed (covers fixes/defaults);
wenzelm
parents: 20084
diff changeset
   393
  map_names (K names') #>
42488
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   394
  fold new_fixed ((xs ~~ xs') ~~ ps) #>
20084
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   395
  pair xs';
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   396
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   397
in
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   398
42488
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   399
fun add_fixes_binding bs ctxt =
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   400
  let
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   401
    val _ =
42488
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   402
      (case filter (can Name.dest_skolem o Binding.name_of) bs of
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   403
        [] => ()
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   404
      | bads => error ("Illegal internal Skolem constant(s): " ^ commas (map Binding.print bads)));
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   405
    val _ =
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   406
      (case duplicates (op = o pairself Binding.name_of) bs of
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   407
        [] => ()
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   408
      | dups => err_dups dups);
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   409
42494
eef1a23c9077 tuned signature -- eliminated odd comment;
wenzelm
parents: 42493
diff changeset
   410
    val xs = map check_name bs;
20102
6676a17dfc88 separate names filed (covers fixes/defaults);
wenzelm
parents: 20084
diff changeset
   411
    val names = names_of ctxt;
20084
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   412
    val (xs', names') =
43326
47cf4bc789aa simplified Name.variant -- discontinued builtin fold_map;
wenzelm
parents: 42495
diff changeset
   413
      if is_body ctxt then fold_map Name.variant xs names |>> map Name.skolem
42488
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   414
      else (xs, fold Name.declare xs names);
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   415
  in ctxt |> new_fixes names' xs xs' (map Binding.pos_of bs) end;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   416
20797
c1f0bc7e7d80 renamed Variable.invent_fixes to Variable.variant_fixes;
wenzelm
parents: 20579
diff changeset
   417
fun variant_fixes raw_xs ctxt =
20084
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   418
  let
20102
6676a17dfc88 separate names filed (covers fixes/defaults);
wenzelm
parents: 20084
diff changeset
   419
    val names = names_of ctxt;
26714
4773b832f1b1 variant_fixes: preserve internal state, mark skolem only for body mode;
wenzelm
parents: 25573
diff changeset
   420
    val xs = map (fn x => Name.clean x |> can Name.dest_internal x ? Name.internal) raw_xs;
43326
47cf4bc789aa simplified Name.variant -- discontinued builtin fold_map;
wenzelm
parents: 42495
diff changeset
   421
    val (xs', names') = fold_map Name.variant xs names |>> (is_body ctxt ? map Name.skolem);
42488
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   422
  in ctxt |> new_fixes names' xs xs' (replicate (length xs) Position.none) end;
20084
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   423
aa320957f00c maintain Name.context for fixes/defaults;
wenzelm
parents: 20003
diff changeset
   424
end;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   425
42488
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   426
val add_fixes = add_fixes_binding o map Binding.name;
20251
6379135f21c2 added add_fixes_direct;
wenzelm
parents: 20240
diff changeset
   427
6379135f21c2 added add_fixes_direct;
wenzelm
parents: 20240
diff changeset
   428
fun add_fixes_direct xs ctxt = ctxt
6379135f21c2 added add_fixes_direct;
wenzelm
parents: 20240
diff changeset
   429
  |> set_body false
6379135f21c2 added add_fixes_direct;
wenzelm
parents: 20240
diff changeset
   430
  |> (snd o add_fixes xs)
6379135f21c2 added add_fixes_direct;
wenzelm
parents: 20240
diff changeset
   431
  |> restore_body ctxt;
6379135f21c2 added add_fixes_direct;
wenzelm
parents: 20240
diff changeset
   432
42482
42c7ef050bc3 more uniform Variable.add_frees/add_fixed etc.;
wenzelm
parents: 42360
diff changeset
   433
fun auto_fixes t ctxt = ctxt
42c7ef050bc3 more uniform Variable.add_frees/add_fixed etc.;
wenzelm
parents: 42360
diff changeset
   434
  |> not (is_body ctxt) ? add_fixes_direct (rev (add_free_names ctxt t []))
20251
6379135f21c2 added add_fixes_direct;
wenzelm
parents: 20240
diff changeset
   435
  |> declare_term t;
6379135f21c2 added add_fixes_direct;
wenzelm
parents: 20240
diff changeset
   436
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   437
fun invent_types Ss ctxt =
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   438
  let
43329
84472e198515 tuned signature: Name.invent and Name.invent_names;
wenzelm
parents: 43326
diff changeset
   439
    val tfrees = Name.invent (names_of ctxt) Name.aT (length Ss) ~~ Ss;
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   440
    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
   441
  in (tfrees, ctxt') end;
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   442
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   443
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   444
22671
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   445
(** 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
   446
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   447
fun export_inst inner outer =
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   448
  let
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   449
    val declared_outer = is_declared outer;
46869
26a9a4e0a631 more direct Name_Space.defined_entry;
wenzelm
parents: 46497
diff changeset
   450
    val still_fixed = not o newly_fixed inner outer;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   451
42488
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   452
    val gen_fixes =
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   453
      Symtab.fold (fn (y, _) => not (is_fixed outer y) ? cons y)
4638622bcaa1 reorganized fixes as specialized (global) name space;
wenzelm
parents: 42482
diff changeset
   454
        (#2 (fixes_of inner)) [];
22671
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   455
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   456
    val type_occs_inner = type_occs_of inner;
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   457
    fun gen_fixesT ts =
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   458
      Symtab.fold (fn (a, xs) =>
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   459
        if declared_outer a orelse exists still_fixed xs
22671
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   460
        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
   461
  in (gen_fixesT, gen_fixes) end;
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   462
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   463
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
   464
22671
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   465
fun exportT_terms inner outer =
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   466
  let val mk_tfrees = exportT_inst inner outer in
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   467
    fn ts => ts |> map
31977
e03059ae2d82 renamed structure TermSubst to Term_Subst;
wenzelm
parents: 31794
diff changeset
   468
      (Term_Subst.generalize (mk_tfrees ts, [])
22671
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   469
        (fold (Term.fold_types Term.maxidx_typ) ts ~1 + 1))
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   470
  end;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   471
22671
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   472
fun export_terms inner outer =
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   473
  let val (mk_tfrees, tfrees) = export_inst inner outer in
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   474
    fn ts => ts |> map
31977
e03059ae2d82 renamed structure TermSubst to Term_Subst;
wenzelm
parents: 31794
diff changeset
   475
      (Term_Subst.generalize (mk_tfrees ts, tfrees)
22671
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   476
        (fold Term.maxidx_term ts ~1 + 1))
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   477
  end;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   478
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   479
fun export_prf inner outer prf =
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   480
  let
22671
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   481
    val (mk_tfrees, frees) = export_inst (declare_prf prf inner) outer;
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   482
    val tfrees = mk_tfrees [];
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   483
    val idx = Proofterm.maxidx_proof prf ~1 + 1;
36620
e6bb250402b5 simplified/unified fundamental operations on types/terms/proofterms -- prefer Same.operation over "option" variant;
wenzelm
parents: 36610
diff changeset
   484
    val gen_term = Term_Subst.generalize_same (tfrees, frees) idx;
e6bb250402b5 simplified/unified fundamental operations on types/terms/proofterms -- prefer Same.operation over "option" variant;
wenzelm
parents: 36610
diff changeset
   485
    val gen_typ = Term_Subst.generalizeT_same tfrees idx;
e6bb250402b5 simplified/unified fundamental operations on types/terms/proofterms -- prefer Same.operation over "option" variant;
wenzelm
parents: 36610
diff changeset
   486
  in Same.commit (Proofterm.map_proof_terms_same gen_term gen_typ) prf end;
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   487
22671
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   488
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   489
fun gen_export (mk_tfrees, frees) ths =
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   490
  let
22671
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   491
    val tfrees = mk_tfrees (map Thm.full_prop_of ths);
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   492
    val maxidx = fold Thm.maxidx_thm ths ~1;
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   493
  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
   494
22671
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   495
fun exportT inner outer = gen_export (exportT_inst inner outer, []);
3c62305fbee6 tuned signature;
wenzelm
parents: 22601
diff changeset
   496
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
   497
21522
bd641d927437 added export_morphism;
wenzelm
parents: 21369
diff changeset
   498
fun export_morphism inner outer =
bd641d927437 added export_morphism;
wenzelm
parents: 21369
diff changeset
   499
  let
bd641d927437 added export_morphism;
wenzelm
parents: 21369
diff changeset
   500
    val fact = export inner outer;
bd641d927437 added export_morphism;
wenzelm
parents: 21369
diff changeset
   501
    val term = singleton (export_terms inner outer);
bd641d927437 added export_morphism;
wenzelm
parents: 21369
diff changeset
   502
    val typ = Logic.type_map term;
54740
91f54d386680 maintain morphism names for diagnostic purposes;
wenzelm
parents: 50201
diff changeset
   503
  in
91f54d386680 maintain morphism names for diagnostic purposes;
wenzelm
parents: 50201
diff changeset
   504
    Morphism.morphism "Variable.export" {binding = [], typ = [typ], term = [term], fact = [fact]}
91f54d386680 maintain morphism names for diagnostic purposes;
wenzelm
parents: 50201
diff changeset
   505
  end;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   506
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   507
24765
3128ccd9121f maintain maxidx (analogous to name context);
wenzelm
parents: 24719
diff changeset
   508
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   509
(** import -- fix schematic type/term variables **)
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   510
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   511
fun importT_inst ts ctxt =
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   512
  let
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   513
    val tvars = rev (fold Term.add_tvars ts []);
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   514
    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
   515
  in (tvars ~~ map TFree tfrees, ctxt') end;
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   516
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   517
fun import_inst is_open ts ctxt =
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   518
  let
26714
4773b832f1b1 variant_fixes: preserve internal state, mark skolem only for body mode;
wenzelm
parents: 25573
diff changeset
   519
    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
   520
    val (instT, ctxt') = importT_inst ts ctxt;
31977
e03059ae2d82 renamed structure TermSubst to Term_Subst;
wenzelm
parents: 31794
diff changeset
   521
    val vars = map (apsnd (Term_Subst.instantiateT instT)) (rev (fold Term.add_vars ts []));
20797
c1f0bc7e7d80 renamed Variable.invent_fixes to Variable.variant_fixes;
wenzelm
parents: 20579
diff changeset
   522
    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
   523
    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
   524
  in ((instT, inst), ctxt'') end;
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   525
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   526
fun importT_terms ts ctxt =
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   527
  let val (instT, ctxt') = importT_inst ts ctxt
31977
e03059ae2d82 renamed structure TermSubst to Term_Subst;
wenzelm
parents: 31794
diff changeset
   528
  in (map (Term_Subst.instantiate (instT, [])) ts, ctxt') end;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   529
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   530
fun import_terms is_open ts ctxt =
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   531
  let val (inst, ctxt') = import_inst is_open ts ctxt
31977
e03059ae2d82 renamed structure TermSubst to Term_Subst;
wenzelm
parents: 31794
diff changeset
   532
  in (map (Term_Subst.instantiate inst) ts, ctxt') end;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   533
31794
71af1fd6a5e4 renamed Variable.import_thms to Variable.import (back again cf. ed7aa5a350ef -- Alice is no longer supported);
wenzelm
parents: 30756
diff changeset
   534
fun importT ths ctxt =
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   535
  let
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42357
diff changeset
   536
    val thy = Proof_Context.theory_of ctxt;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   537
    val (instT, ctxt') = importT_inst (map Thm.full_prop_of ths) ctxt;
32280
4fb3f426052a Variable.importT/import: return full instantiations, tuned;
wenzelm
parents: 32199
diff changeset
   538
    val insts' as (instT', _) = Thm.certify_inst thy (instT, []);
4fb3f426052a Variable.importT/import: return full instantiations, tuned;
wenzelm
parents: 32199
diff changeset
   539
    val ths' = map (Thm.instantiate insts') ths;
4fb3f426052a Variable.importT/import: return full instantiations, tuned;
wenzelm
parents: 32199
diff changeset
   540
  in ((instT', ths'), ctxt') end;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   541
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   542
fun import_prf is_open prf ctxt =
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   543
  let
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   544
    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
   545
    val (insts, ctxt') = import_inst is_open ts ctxt;
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   546
  in (Proofterm.instantiate insts prf, ctxt') end;
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   547
31794
71af1fd6a5e4 renamed Variable.import_thms to Variable.import (back again cf. ed7aa5a350ef -- Alice is no longer supported);
wenzelm
parents: 30756
diff changeset
   548
fun import is_open ths ctxt =
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   549
  let
42360
da8817d01e7c modernized structure Proof_Context;
wenzelm
parents: 42357
diff changeset
   550
    val thy = Proof_Context.theory_of ctxt;
32280
4fb3f426052a Variable.importT/import: return full instantiations, tuned;
wenzelm
parents: 32199
diff changeset
   551
    val (insts, ctxt') = import_inst is_open (map Thm.full_prop_of ths) ctxt;
4fb3f426052a Variable.importT/import: return full instantiations, tuned;
wenzelm
parents: 32199
diff changeset
   552
    val insts' = Thm.certify_inst thy insts;
4fb3f426052a Variable.importT/import: return full instantiations, tuned;
wenzelm
parents: 32199
diff changeset
   553
    val ths' = map (Thm.instantiate insts') ths;
4fb3f426052a Variable.importT/import: return full instantiations, tuned;
wenzelm
parents: 32199
diff changeset
   554
  in ((insts', ths'), ctxt') end;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   555
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   556
19926
feb4d150cfd8 added declare_thm, thm_context;
wenzelm
parents: 19911
diff changeset
   557
(* import/export *)
feb4d150cfd8 added declare_thm, thm_context;
wenzelm
parents: 19911
diff changeset
   558
21287
a713ae348e8a tuned Variable.trade;
wenzelm
parents: 20797
diff changeset
   559
fun gen_trade imp exp f ctxt ths =
20220
5dc68e9ecd9a import(T): result includes fixed types/terms;
wenzelm
parents: 20198
diff changeset
   560
  let val ((_, ths'), ctxt') = imp ths ctxt
21287
a713ae348e8a tuned Variable.trade;
wenzelm
parents: 20797
diff changeset
   561
  in exp ctxt' ctxt (f ctxt' ths') end;
19926
feb4d150cfd8 added declare_thm, thm_context;
wenzelm
parents: 19911
diff changeset
   562
31794
71af1fd6a5e4 renamed Variable.import_thms to Variable.import (back again cf. ed7aa5a350ef -- Alice is no longer supported);
wenzelm
parents: 30756
diff changeset
   563
val tradeT = gen_trade importT exportT;
71af1fd6a5e4 renamed Variable.import_thms to Variable.import (back again cf. ed7aa5a350ef -- Alice is no longer supported);
wenzelm
parents: 30756
diff changeset
   564
val trade = gen_trade (import true) export;
19926
feb4d150cfd8 added declare_thm, thm_context;
wenzelm
parents: 19911
diff changeset
   565
feb4d150cfd8 added declare_thm, thm_context;
wenzelm
parents: 19911
diff changeset
   566
42495
1af81b70cf09 clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents: 42494
diff changeset
   567
(* focus on outermost parameters: !!x y z. B *)
1af81b70cf09 clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents: 42494
diff changeset
   568
1af81b70cf09 clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents: 42494
diff changeset
   569
fun focus_params t ctxt =
1af81b70cf09 clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents: 42494
diff changeset
   570
  let
1af81b70cf09 clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents: 42494
diff changeset
   571
    val (xs, Ts) =
1af81b70cf09 clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents: 42494
diff changeset
   572
      split_list (Term.variant_frees t (Term.strip_all_vars t));  (*as they are printed :-*)
1af81b70cf09 clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents: 42494
diff changeset
   573
    val (xs', ctxt') = variant_fixes xs ctxt;
1af81b70cf09 clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents: 42494
diff changeset
   574
    val ps = xs' ~~ Ts;
1af81b70cf09 clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents: 42494
diff changeset
   575
    val ctxt'' = ctxt' |> fold (declare_constraints o Free) ps;
1af81b70cf09 clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents: 42494
diff changeset
   576
  in ((xs, ps), ctxt'') end;
1af81b70cf09 clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents: 42494
diff changeset
   577
1af81b70cf09 clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents: 42494
diff changeset
   578
fun focus t ctxt =
1af81b70cf09 clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents: 42494
diff changeset
   579
  let
1af81b70cf09 clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents: 42494
diff changeset
   580
    val ((xs, ps), ctxt') = focus_params t ctxt;
1af81b70cf09 clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents: 42494
diff changeset
   581
    val t' = Term.subst_bounds (rev (map Free ps), Term.strip_all_body t);
1af81b70cf09 clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents: 42494
diff changeset
   582
  in (((xs ~~ ps), t'), ctxt') end;
20149
54d4ea7927be added newly_fixed, focus;
wenzelm
parents: 20123
diff changeset
   583
54d4ea7927be added newly_fixed, focus;
wenzelm
parents: 20123
diff changeset
   584
fun forall_elim_prop t prop =
46497
89ccf66aa73d renamed Thm.capply to Thm.apply, and Thm.cabs to Thm.lambda in conformance with similar operations in structure Term and Logic;
wenzelm
parents: 45666
diff changeset
   585
  Thm.beta_conversion false (Thm.apply (Thm.dest_arg prop) t)
20579
4dc799edef89 Thm.dest_arg;
wenzelm
parents: 20509
diff changeset
   586
  |> Thm.cprop_of |> Thm.dest_arg;
20149
54d4ea7927be added newly_fixed, focus;
wenzelm
parents: 20123
diff changeset
   587
42495
1af81b70cf09 clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents: 42494
diff changeset
   588
fun focus_cterm goal ctxt =
20149
54d4ea7927be added newly_fixed, focus;
wenzelm
parents: 20123
diff changeset
   589
  let
54d4ea7927be added newly_fixed, focus;
wenzelm
parents: 20123
diff changeset
   590
    val cert = Thm.cterm_of (Thm.theory_of_cterm goal);
42495
1af81b70cf09 clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents: 42494
diff changeset
   591
    val ((xs, ps), ctxt') = focus_params (Thm.term_of goal) ctxt;
1af81b70cf09 clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents: 42494
diff changeset
   592
    val ps' = map (cert o Free) ps;
20220
5dc68e9ecd9a import(T): result includes fixed types/terms;
wenzelm
parents: 20198
diff changeset
   593
    val goal' = fold forall_elim_prop ps' goal;
42495
1af81b70cf09 clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents: 42494
diff changeset
   594
  in ((xs ~~ ps', goal'), ctxt') end;
20149
54d4ea7927be added newly_fixed, focus;
wenzelm
parents: 20123
diff changeset
   595
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   596
fun focus_subgoal i st =
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   597
  let
22691
290454649b8c Thm.fold_terms;
wenzelm
parents: 22671
diff changeset
   598
    val all_vars = Thm.fold_terms Term.add_vars st [];
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   599
    val no_binds = map (fn (xi, _) => (xi, NONE)) all_vars;
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   600
  in
30756
1a9f93c1ed22 replaced add_binds by singleton bind_term;
wenzelm
parents: 29605
diff changeset
   601
    fold bind_term no_binds #>
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   602
    fold (declare_constraints o Var) all_vars #>
42495
1af81b70cf09 clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents: 42494
diff changeset
   603
    focus_cterm (Thm.cprem_of st i)
20303
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   604
  end;
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   605
e25d5a2a50bc normalized Proof.context/method type aliases;
wenzelm
parents: 20262
diff changeset
   606
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   607
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   608
(** implicit polymorphism **)
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   609
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   610
(* warn_extra_tfrees *)
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   611
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   612
fun warn_extra_tfrees ctxt1 ctxt2 =
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   613
  let
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   614
    fun occs_typ a = Term.exists_subtype (fn TFree (b, _) => a = b | _ => false);
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   615
    fun occs_free a x =
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   616
      (case def_type ctxt1 false (x, ~1) of
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   617
        SOME T => if occs_typ a T then I else cons (a, x)
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   618
      | NONE => cons (a, x));
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   619
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   620
    val occs1 = type_occs_of ctxt1;
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   621
    val occs2 = type_occs_of ctxt2;
19911
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   622
    val extras = Symtab.fold (fn (a, xs) =>
300bc6ce970d major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents: 19899
diff changeset
   623
      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
   624
    val tfrees = map #1 extras |> sort_distinct string_ord;
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   625
    val frees = map #2 extras |> sort_distinct string_ord;
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   626
  in
38831
4933a3dfd745 more careful treatment of context visibility flag wrt. spurious warnings;
wenzelm
parents: 37145
diff changeset
   627
    if null extras orelse not (Context_Position.is_visible ctxt2) then ()
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   628
    else warning ("Introduced fixed type variable(s): " ^ commas tfrees ^ " in " ^
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   629
      space_implode " or " (map quote frees))
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   630
  end;
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   631
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   632
20149
54d4ea7927be added newly_fixed, focus;
wenzelm
parents: 20123
diff changeset
   633
(* polymorphic terms *)
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   634
24694
54f06f7feefa added polymorphic_types;
wenzelm
parents: 22846
diff changeset
   635
fun polymorphic_types ctxt ts =
20003
aac2c0d29751 polymorphic: always generalize wrt. used_types;
wenzelm
parents: 19926
diff changeset
   636
  let
aac2c0d29751 polymorphic: always generalize wrt. used_types;
wenzelm
parents: 19926
diff changeset
   637
    val ctxt' = fold declare_term ts ctxt;
20162
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   638
    val occs = type_occs_of ctxt;
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   639
    val occs' = type_occs_of ctxt';
d4bcb27686f9 reorganize declarations (more efficient);
wenzelm
parents: 20149
diff changeset
   640
    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
   641
    val idx = maxidx_of ctxt' + 1;
24694
54f06f7feefa added polymorphic_types;
wenzelm
parents: 22846
diff changeset
   642
    val Ts' = (fold o fold_types o fold_atyps)
54f06f7feefa added polymorphic_types;
wenzelm
parents: 22846
diff changeset
   643
      (fn T as TFree _ =>
31977
e03059ae2d82 renamed structure TermSubst to Term_Subst;
wenzelm
parents: 31794
diff changeset
   644
          (case Term_Subst.generalizeT types idx T of TVar v => insert (op =) v | _ => I)
24694
54f06f7feefa added polymorphic_types;
wenzelm
parents: 22846
diff changeset
   645
        | _ => I) ts [];
31977
e03059ae2d82 renamed structure TermSubst to Term_Subst;
wenzelm
parents: 31794
diff changeset
   646
    val ts' = map (Term_Subst.generalize (types, []) idx) ts;
24694
54f06f7feefa added polymorphic_types;
wenzelm
parents: 22846
diff changeset
   647
  in (rev Ts', ts') end;
54f06f7feefa added polymorphic_types;
wenzelm
parents: 22846
diff changeset
   648
54f06f7feefa added polymorphic_types;
wenzelm
parents: 22846
diff changeset
   649
fun polymorphic ctxt ts = snd (polymorphic_types ctxt ts);
20003
aac2c0d29751 polymorphic: always generalize wrt. used_types;
wenzelm
parents: 19926
diff changeset
   650
19899
b7385ca02d79 Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff changeset
   651
end;