src/Pure/theory.ML
author wenzelm
Mon, 06 Oct 1997 18:22:22 +0200
changeset 3776 38f8ec304b95
parent 3767 e2bb53d8dd26
child 3787 67571f49ebe3
permissions -rw-r--r--
added sort_to_ast; eliminated raise_ast;
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
1526
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
     1
(*  Title:      Pure/theory.ML
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
     2
    ID:         $Id$
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
     3
    Author:     Lawrence C Paulson and Markus Wenzel
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
     4
    Copyright   1996  University of Cambridge
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
     5
3767
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
     6
Theories.
1526
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
     7
*)
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
     8
3767
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
     9
(*this part made pervasive*)
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
    10
signature BASIC_THEORY =
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
    11
sig
1526
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    12
  type theory
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    13
  exception THEORY of string * theory list
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    14
  val rep_theory        : theory ->
1539
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
    15
    {sign: Sign.sg, oraopt: (Sign.sg * exn -> term) option,
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
    16
     new_axioms: term Symtab.table, parents: theory list}
1526
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    17
  val sign_of           : theory -> Sign.sg
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    18
  val syn_of            : theory -> Syntax.syntax
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    19
  val stamps_of_thy     : theory -> string ref list
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    20
  val parents_of        : theory -> theory list
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    21
  val subthy            : theory * theory -> bool
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    22
  val eq_thy            : theory * theory -> bool
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    23
  val proto_pure_thy    : theory
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    24
  val pure_thy          : theory
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    25
  val cpure_thy         : theory
3767
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
    26
  val cert_axm          : Sign.sg -> string * term -> string * term
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
    27
  val read_axm          : Sign.sg -> string * string -> string * term
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
    28
  val inferT_axm        : Sign.sg -> string * term -> string * term
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
    29
  val merge_theories    : theory * theory -> theory
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
    30
end
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
    31
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
    32
signature THEORY =
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
    33
sig
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
    34
  include BASIC_THEORY
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
    35
  (*theory extendsion primitives*)
1539
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
    36
  val add_classes	: (class * class list) list -> theory -> theory
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
    37
  val add_classrel	: (class * class) list -> theory -> theory
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
    38
  val add_defsort	: sort -> theory -> theory
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
    39
  val add_types		: (string * int * mixfix) list -> theory -> theory
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
    40
  val add_tyabbrs	: (string * string list * string * mixfix) list
1526
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    41
    -> theory -> theory
1539
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
    42
  val add_tyabbrs_i	: (string * string list * typ * mixfix) list
1526
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    43
    -> theory -> theory
1539
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
    44
  val add_arities	: (string * sort list * sort) list -> theory -> theory
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
    45
  val add_consts	: (string * string * mixfix) list -> theory -> theory
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
    46
  val add_consts_i	: (string * typ * mixfix) list -> theory -> theory
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
    47
  val add_syntax	: (string * string * mixfix) list -> theory -> theory
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
    48
  val add_syntax_i	: (string * typ * mixfix) list -> theory -> theory
2359
97b88cafe1e8 add_modesyntax(_i): added 'inout' argument;
wenzelm
parents: 2206
diff changeset
    49
  val add_modesyntax	: string * bool -> (string * string * mixfix) list -> theory -> theory
97b88cafe1e8 add_modesyntax(_i): added 'inout' argument;
wenzelm
parents: 2206
diff changeset
    50
  val add_modesyntax_i	: string * bool -> (string * typ * mixfix) list -> theory -> theory
1539
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
    51
  val add_trfuns	:
1526
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    52
    (string * (Syntax.ast list -> Syntax.ast)) list *
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    53
    (string * (term list -> term)) list *
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    54
    (string * (term list -> term)) list *
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    55
    (string * (Syntax.ast list -> Syntax.ast)) list -> theory -> theory
2385
73d1435aa729 added typed print translations;
wenzelm
parents: 2359
diff changeset
    56
  val add_trfunsT	:
73d1435aa729 added typed print translations;
wenzelm
parents: 2359
diff changeset
    57
    (string * (typ -> term list -> term)) list -> theory -> theory
2693
8300bba275e3 added add_tokentrfuns;
wenzelm
parents: 2385
diff changeset
    58
  val add_tokentrfuns:
8300bba275e3 added add_tokentrfuns;
wenzelm
parents: 2385
diff changeset
    59
    (string * string * (string -> string * int)) list -> theory -> theory
1526
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    60
  val add_trrules     : (string * string)Syntax.trrule list -> theory -> theory
1539
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
    61
  val add_trrules_i	: Syntax.ast Syntax.trrule list -> theory -> theory
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
    62
  val add_axioms	: (string * string) list -> theory -> theory
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
    63
  val add_axioms_i	: (string * term) list -> theory -> theory
3767
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
    64
  val add_defs		: (string * string) list -> theory -> theory
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
    65
  val add_defs_i	: (string * term) list -> theory -> theory
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
    66
  val add_name		: string -> theory -> theory
1539
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
    67
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
    68
  val set_oracle	: (Sign.sg * exn -> term) -> theory -> theory
1526
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    69
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    70
  val merge_thy_list    : bool -> theory list -> theory
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    71
end;
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    72
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    73
3767
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
    74
structure Theory: THEORY =
1526
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    75
struct
2206
a9419797e196 added add_modesyntax(_i);
wenzelm
parents: 1960
diff changeset
    76
a9419797e196 added add_modesyntax(_i);
wenzelm
parents: 1960
diff changeset
    77
(** datatype theory **)
1526
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    78
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    79
datatype theory =
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    80
  Theory of {
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    81
    sign: Sign.sg,
1539
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
    82
    oraopt: (Sign.sg * exn -> term) option,
1526
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    83
    new_axioms: term Symtab.table,
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    84
    parents: theory list};
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    85
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    86
fun rep_theory (Theory args) = args;
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    87
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    88
(*errors involving theories*)
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    89
exception THEORY of string * theory list;
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    90
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    91
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    92
val sign_of = #sign o rep_theory;
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    93
val syn_of = #syn o Sign.rep_sg o sign_of;
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    94
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    95
(*stamps associated with a theory*)
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    96
val stamps_of_thy = #stamps o Sign.rep_sg o sign_of;
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    97
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    98
(*return the immediate ancestors*)
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
    99
val parents_of = #parents o rep_theory;
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   100
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   101
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   102
(*compare theories*)
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   103
val subthy = Sign.subsig o pairself sign_of;
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   104
val eq_thy = Sign.eq_sg o pairself sign_of;
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   105
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   106
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   107
(* the Pure theories *)
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   108
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   109
val proto_pure_thy =
1539
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
   110
  Theory {sign = Sign.proto_pure, oraopt = None, 
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
   111
	  new_axioms = Symtab.null, parents = []};
1526
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   112
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   113
val pure_thy =
1539
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
   114
  Theory {sign = Sign.pure, oraopt = None, 
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
   115
	  new_axioms = Symtab.null, parents = []};
1526
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   116
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   117
val cpure_thy =
1539
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
   118
  Theory {sign = Sign.cpure, oraopt = None, 
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
   119
	  new_axioms = Symtab.null, parents = []};
1526
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   120
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   121
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   122
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   123
(** extend theory **)
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   124
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   125
fun err_dup_axms names =
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   126
  error ("Duplicate axiom name(s) " ^ commas_quote names);
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   127
1539
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
   128
fun ext_thy (thy as Theory {sign, oraopt, new_axioms, parents}) 
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
   129
            sign1 new_axms =
1526
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   130
  let
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   131
    val draft = Sign.is_draft sign;
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   132
    val new_axioms1 =
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   133
      Symtab.extend_new (if draft then new_axioms else Symtab.null, new_axms)
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   134
        handle Symtab.DUPS names => err_dup_axms names;
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   135
    val parents1 = if draft then parents else [thy];
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   136
  in
1539
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
   137
    Theory {sign = sign1, oraopt = oraopt, 
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
   138
	    new_axioms = new_axioms1, parents = parents1}
1526
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   139
  end;
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   140
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   141
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   142
(* extend signature of a theory *)
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   143
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   144
fun ext_sg extfun decls (thy as Theory {sign, ...}) =
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   145
  ext_thy thy (extfun decls sign) [];
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   146
2206
a9419797e196 added add_modesyntax(_i);
wenzelm
parents: 1960
diff changeset
   147
val add_classes      = ext_sg Sign.add_classes;
a9419797e196 added add_modesyntax(_i);
wenzelm
parents: 1960
diff changeset
   148
val add_classrel     = ext_sg Sign.add_classrel;
a9419797e196 added add_modesyntax(_i);
wenzelm
parents: 1960
diff changeset
   149
val add_defsort      = ext_sg Sign.add_defsort;
a9419797e196 added add_modesyntax(_i);
wenzelm
parents: 1960
diff changeset
   150
val add_types        = ext_sg Sign.add_types;
a9419797e196 added add_modesyntax(_i);
wenzelm
parents: 1960
diff changeset
   151
val add_tyabbrs      = ext_sg Sign.add_tyabbrs;
a9419797e196 added add_modesyntax(_i);
wenzelm
parents: 1960
diff changeset
   152
val add_tyabbrs_i    = ext_sg Sign.add_tyabbrs_i;
a9419797e196 added add_modesyntax(_i);
wenzelm
parents: 1960
diff changeset
   153
val add_arities      = ext_sg Sign.add_arities;
a9419797e196 added add_modesyntax(_i);
wenzelm
parents: 1960
diff changeset
   154
val add_consts       = ext_sg Sign.add_consts;
a9419797e196 added add_modesyntax(_i);
wenzelm
parents: 1960
diff changeset
   155
val add_consts_i     = ext_sg Sign.add_consts_i;
a9419797e196 added add_modesyntax(_i);
wenzelm
parents: 1960
diff changeset
   156
val add_syntax       = ext_sg Sign.add_syntax;
a9419797e196 added add_modesyntax(_i);
wenzelm
parents: 1960
diff changeset
   157
val add_syntax_i     = ext_sg Sign.add_syntax_i;
a9419797e196 added add_modesyntax(_i);
wenzelm
parents: 1960
diff changeset
   158
val add_modesyntax   = curry (ext_sg Sign.add_modesyntax);
a9419797e196 added add_modesyntax(_i);
wenzelm
parents: 1960
diff changeset
   159
val add_modesyntax_i = curry (ext_sg Sign.add_modesyntax_i);
a9419797e196 added add_modesyntax(_i);
wenzelm
parents: 1960
diff changeset
   160
val add_trfuns       = ext_sg Sign.add_trfuns;
2385
73d1435aa729 added typed print translations;
wenzelm
parents: 2359
diff changeset
   161
val add_trfunsT      = ext_sg Sign.add_trfunsT;
2693
8300bba275e3 added add_tokentrfuns;
wenzelm
parents: 2385
diff changeset
   162
val add_tokentrfuns  = ext_sg Sign.add_tokentrfuns;
2206
a9419797e196 added add_modesyntax(_i);
wenzelm
parents: 1960
diff changeset
   163
val add_trrules      = ext_sg Sign.add_trrules;
a9419797e196 added add_modesyntax(_i);
wenzelm
parents: 1960
diff changeset
   164
val add_trrules_i    = ext_sg Sign.add_trrules_i;
3767
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   165
val add_name         = ext_sg Sign.add_name;
1526
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   166
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   167
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   168
(* prepare axioms *)
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   169
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   170
fun err_in_axm name =
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   171
  error ("The error(s) above occurred in axiom " ^ quote name);
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   172
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   173
fun no_vars tm =
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   174
  if null (term_vars tm) andalso null (term_tvars tm) then tm
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   175
  else error "Illegal schematic variable(s) in term";
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   176
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   177
fun cert_axm sg (name, raw_tm) =
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   178
  let
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   179
    val (t, T, _) = Sign.certify_term sg raw_tm
2979
db6941221197 improved type check error messages;
wenzelm
parents: 2693
diff changeset
   180
      handle TYPE (msg, _, _) => error msg
1526
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   181
	   | TERM (msg, _) => error msg;
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   182
  in
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   183
    assert (T = propT) "Term not of type prop";
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   184
    (name, no_vars t)
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   185
  end
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   186
  handle ERROR => err_in_axm name;
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   187
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   188
(*Some duplication of code with read_def_cterm*)
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   189
fun read_axm sg (name, str) = 
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   190
  let val ts = Syntax.read (#syn (Sign.rep_sg sg)) propT str;
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   191
      val (_, t, _) =
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   192
          Sign.infer_types sg (K None) (K None) [] true (ts,propT);
1960
ae390b599213 Improved error handling: if there are syntax or type-checking
paulson
parents: 1539
diff changeset
   193
  in cert_axm sg (name,t) end
ae390b599213 Improved error handling: if there are syntax or type-checking
paulson
parents: 1539
diff changeset
   194
  handle ERROR => err_in_axm name;
1526
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   195
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   196
fun inferT_axm sg (name, pre_tm) =
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   197
  let val t = #2(Sign.infer_types sg (K None) (K None) [] true
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   198
                                     ([pre_tm], propT))
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   199
  in  (name, no_vars t) end
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   200
  handle ERROR => err_in_axm name;
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   201
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   202
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   203
(* extend axioms of a theory *)
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   204
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   205
fun ext_axms prep_axm axms (thy as Theory {sign, ...}) =
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   206
  let
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   207
    val sign1 = Sign.make_draft sign;
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   208
    val axioms = map (apsnd (Term.compress_term o Logic.varify) o 
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   209
		      prep_axm sign) 
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   210
	         axms;
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   211
  in
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   212
    ext_thy thy sign1 axioms
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   213
  end;
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   214
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   215
val add_axioms = ext_axms read_axm;
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   216
val add_axioms_i = ext_axms cert_axm;
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   217
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   218
3767
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   219
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   220
(** add constant definitions **)
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   221
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   222
(* all_axioms_of *)
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   223
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   224
(*results may contain duplicates!*)
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   225
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   226
fun ancestry_of thy =
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   227
  thy :: List.concat (map ancestry_of (parents_of thy));
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   228
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   229
val all_axioms_of =
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   230
  List.concat o map (Symtab.dest o #new_axioms o rep_theory) o ancestry_of;
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   231
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   232
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   233
(* clash_types, clash_consts *)
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   234
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   235
(*check if types have common instance (ignoring sorts)*)
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   236
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   237
fun clash_types ty1 ty2 =
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   238
  let
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   239
    val ty1' = Type.varifyT ty1;
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   240
    val ty2' = incr_tvar (maxidx_of_typ ty1' + 1) (Type.varifyT ty2);
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   241
  in
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   242
    Type.raw_unify (ty1', ty2')
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   243
  end;
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   244
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   245
fun clash_consts (c1, ty1) (c2, ty2) =
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   246
  c1 = c2 andalso clash_types ty1 ty2;
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   247
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   248
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   249
(* clash_defns *)
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   250
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   251
fun clash_defn c_ty (name, tm) =
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   252
  let val (c, ty') = dest_Const (head_of (fst (Logic.dest_equals tm))) in
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   253
    if clash_consts c_ty (c, ty') then Some (name, ty') else None
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   254
  end handle TERM _ => None;
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   255
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   256
fun clash_defns c_ty axms =
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   257
  distinct (mapfilter (clash_defn c_ty) axms);
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   258
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   259
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   260
(* dest_defn *)
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   261
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   262
fun dest_defn tm =
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   263
  let
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   264
    fun err msg = raise_term msg [tm];
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   265
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   266
    val (lhs, rhs) = Logic.dest_equals (Logic.strip_imp_concl tm)
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   267
      handle TERM _ => err "Not a meta-equality (==)";
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   268
    val (head, args) = strip_comb lhs;
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   269
    val (c, ty) = dest_Const head
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   270
      handle TERM _ => err "Head of lhs not a constant";
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   271
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   272
    fun occs_const (Const c_ty') = (c_ty' = (c, ty))
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   273
      | occs_const (Abs (_, _, t)) = occs_const t
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   274
      | occs_const (t $ u) = occs_const t orelse occs_const u
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   275
      | occs_const _ = false;
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   276
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   277
    val show_frees = commas_quote o map (fst o dest_Free);
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   278
    val show_tfrees = commas_quote o map fst;
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   279
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   280
    val lhs_dups = duplicates args;
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   281
    val rhs_extras = gen_rems (op =) (term_frees rhs, args);
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   282
    val rhs_extrasT = gen_rems (op =) (term_tfrees rhs, typ_tfrees ty);
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   283
  in
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   284
    if not (forall is_Free args) then
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   285
      err "Arguments (on lhs) must be variables"
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   286
    else if not (null lhs_dups) then
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   287
      err ("Duplicate variables on lhs: " ^ show_frees lhs_dups)
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   288
    else if not (null rhs_extras) then
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   289
      err ("Extra variables on rhs: " ^ show_frees rhs_extras)
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   290
    else if not (null rhs_extrasT) then
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   291
      err ("Extra type variables on rhs: " ^ show_tfrees rhs_extrasT)
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   292
    else if occs_const rhs then
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   293
      err ("Constant to be defined occurs on rhs")
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   294
    else (c, ty)
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   295
  end;
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   296
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   297
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   298
(* check_defn *)
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   299
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   300
fun err_in_defn name msg =
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   301
  (writeln msg; error ("The error(s) above occurred in definition " ^ quote name));
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   302
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   303
fun check_defn sign (axms, (name, tm)) =
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   304
  let
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   305
    fun show_const (c, ty) = quote (Pretty.string_of (Pretty.block
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   306
      [Pretty.str (c ^ " ::"), Pretty.brk 1, Sign.pretty_typ sign ty]));
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   307
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   308
    fun show_defn c (dfn, ty') = show_const (c, ty') ^ " in " ^ dfn;
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   309
    fun show_defns c = cat_lines o map (show_defn c);
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   310
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   311
    val (c, ty) = dest_defn tm
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   312
      handle TERM (msg, _) => err_in_defn name msg;
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   313
    val defns = clash_defns (c, ty) axms;
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   314
  in
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   315
    if not (null defns) then
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   316
      err_in_defn name ("Definition of " ^ show_const (c, ty) ^
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   317
        "\nclashes with " ^ show_defns c defns)
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   318
    else (name, tm) :: axms
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   319
  end;
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   320
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   321
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   322
(* add_defs *)
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   323
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   324
fun ext_defns prep_axm raw_axms thy =
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   325
  let
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   326
    val axms = map (prep_axm (sign_of thy)) raw_axms;
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   327
    val all_axms = all_axioms_of thy;
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   328
  in
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   329
    foldl (check_defn (sign_of thy)) (all_axms, axms);
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   330
    add_axioms_i axms thy
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   331
  end;
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   332
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   333
val add_defs_i = ext_defns cert_axm;
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   334
val add_defs = ext_defns read_axm;
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   335
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   336
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   337
1539
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
   338
(** Set oracle of theory **)
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
   339
3767
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   340
(* FIXME support more than one oracle (!?) *)
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   341
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   342
fun set_oracle oracle
1539
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
   343
               (thy as Theory {sign, oraopt = None, new_axioms, parents}) =
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
   344
      if Sign.is_draft sign then
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
   345
	Theory {sign = sign, 
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
   346
		oraopt = Some oracle, 
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
   347
		new_axioms = new_axioms, 
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
   348
		parents = parents}
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
   349
      else raise THEORY ("Can only set oracle of a draft", [thy])
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
   350
  | set_oracle _ thy = raise THEORY ("Oracle already set", [thy]);
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
   351
1526
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   352
3767
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   353
1526
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   354
(** merge theories **)
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   355
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   356
fun merge_thy_list mk_draft thys =
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   357
  let
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   358
    fun is_union thy = forall (fn t => subthy (t, thy)) thys;
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   359
    val is_draft = Sign.is_draft o sign_of;
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   360
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   361
    fun add_sign (sg, Theory {sign, ...}) =
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   362
      Sign.merge (sg, sign) handle TERM (msg, _) => error msg;
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   363
  in
1539
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
   364
    case (find_first is_union thys, exists is_draft thys) of
1526
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   365
      (Some thy, _) => thy
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   366
    | (None, true) => raise THEORY ("Illegal merge of draft theories", thys)
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   367
    | (None, false) => Theory {
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   368
        sign =
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   369
          (if mk_draft then Sign.make_draft else I)
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   370
          (foldl add_sign (Sign.proto_pure, thys)),
1539
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
   371
	oraopt = None,
1526
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   372
        new_axioms = Symtab.null,
1539
f21c8fab7c3c Addition of oracles
paulson
parents: 1526
diff changeset
   373
        parents = thys}
1526
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   374
  end;
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   375
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   376
fun merge_theories (thy1, thy2) = merge_thy_list false [thy1, thy2];
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   377
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   378
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   379
end;
6be6ea6f8b5d New file of just the theory primitives
paulson
parents:
diff changeset
   380
3767
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   381
structure BasicTheory: BASIC_THEORY = Theory;
e2bb53d8dd26 moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents: 2979
diff changeset
   382
open BasicTheory;