author | wenzelm |
Tue, 07 Oct 1997 18:02:42 +0200 | |
changeset 3806 | f371115aed37 |
parent 3787 | 67571f49ebe3 |
child 3814 | b0dc68aa1b6a |
permissions | -rw-r--r-- |
1526 | 1 |
(* Title: Pure/theory.ML |
2 |
ID: $Id$ |
|
3 |
Author: Lawrence C Paulson and Markus Wenzel |
|
4 |
Copyright 1996 University of Cambridge |
|
5 |
||
3767
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
6 |
Theories. |
1526 | 7 |
*) |
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 | 12 |
type theory |
13 |
exception THEORY of string * theory list |
|
14 |
val rep_theory : theory -> |
|
1539 | 15 |
{sign: Sign.sg, oraopt: (Sign.sg * exn -> term) option, |
16 |
new_axioms: term Symtab.table, parents: theory list} |
|
1526 | 17 |
val sign_of : theory -> Sign.sg |
18 |
val syn_of : theory -> Syntax.syntax |
|
19 |
val stamps_of_thy : theory -> string ref list |
|
20 |
val parents_of : theory -> theory list |
|
21 |
val subthy : theory * theory -> bool |
|
22 |
val eq_thy : theory * theory -> bool |
|
23 |
val proto_pure_thy : theory |
|
24 |
val pure_thy : theory |
|
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*) |
3806 | 36 |
val add_classes : (xclass * xclass list) list -> theory -> theory |
37 |
val add_classes_i : (xclass * class list) list -> theory -> theory |
|
38 |
val add_classrel : (xclass * xclass) list -> theory -> theory |
|
3787
67571f49ebe3
new internal forms: add_classes_i, add_classrel_i, add_defsort_i, add_arities_i
wenzelm
parents:
3767
diff
changeset
|
39 |
val add_classrel_i : (class * class) list -> theory -> theory |
3806 | 40 |
val add_defsort : xsort -> theory -> theory |
3787
67571f49ebe3
new internal forms: add_classes_i, add_classrel_i, add_defsort_i, add_arities_i
wenzelm
parents:
3767
diff
changeset
|
41 |
val add_defsort_i : sort -> theory -> theory |
3806 | 42 |
val add_types : (xstring * int * mixfix) list -> theory -> theory |
43 |
val add_tyabbrs : (xstring * string list * string * mixfix) list |
|
1526 | 44 |
-> theory -> theory |
3806 | 45 |
val add_tyabbrs_i : (xstring * string list * typ * mixfix) list |
1526 | 46 |
-> theory -> theory |
3806 | 47 |
val add_arities : (xstring * xsort list * xsort) list -> theory -> theory |
3787
67571f49ebe3
new internal forms: add_classes_i, add_classrel_i, add_defsort_i, add_arities_i
wenzelm
parents:
3767
diff
changeset
|
48 |
val add_arities_i : (string * sort list * sort) list -> theory -> theory |
3806 | 49 |
val add_consts : (xstring * string * mixfix) list -> theory -> theory |
50 |
val add_consts_i : (xstring * typ * mixfix) list -> theory -> theory |
|
51 |
val add_syntax : (xstring * string * mixfix) list -> theory -> theory |
|
52 |
val add_syntax_i : (xstring * typ * mixfix) list -> theory -> theory |
|
53 |
val add_modesyntax : string * bool -> (xstring * string * mixfix) list -> theory -> theory |
|
54 |
val add_modesyntax_i : string * bool -> (xstring * typ * mixfix) list -> theory -> theory |
|
1539 | 55 |
val add_trfuns : |
1526 | 56 |
(string * (Syntax.ast list -> Syntax.ast)) list * |
57 |
(string * (term list -> term)) list * |
|
58 |
(string * (term list -> term)) list * |
|
59 |
(string * (Syntax.ast list -> Syntax.ast)) list -> theory -> theory |
|
2385 | 60 |
val add_trfunsT : |
61 |
(string * (typ -> term list -> term)) list -> theory -> theory |
|
2693 | 62 |
val add_tokentrfuns: |
63 |
(string * string * (string -> string * int)) list -> theory -> theory |
|
1526 | 64 |
val add_trrules : (string * string)Syntax.trrule list -> theory -> theory |
1539 | 65 |
val add_trrules_i : Syntax.ast Syntax.trrule list -> theory -> theory |
3806 | 66 |
val add_axioms : (xstring * string) list -> theory -> theory |
67 |
val add_axioms_i : (xstring * term) list -> theory -> theory |
|
68 |
val add_defs : (xstring * string) list -> theory -> theory |
|
69 |
val add_defs_i : (xstring * term) list -> theory -> theory |
|
3787
67571f49ebe3
new internal forms: add_classes_i, add_classrel_i, add_defsort_i, add_arities_i
wenzelm
parents:
3767
diff
changeset
|
70 |
val add_path : string -> theory -> theory |
3806 | 71 |
val add_space : string * xstring list -> theory -> theory |
3767
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
72 |
val add_name : string -> theory -> theory |
1539 | 73 |
|
74 |
val set_oracle : (Sign.sg * exn -> term) -> theory -> theory |
|
1526 | 75 |
|
76 |
val merge_thy_list : bool -> theory list -> theory |
|
77 |
end; |
|
78 |
||
79 |
||
3767
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
80 |
structure Theory: THEORY = |
1526 | 81 |
struct |
2206 | 82 |
|
83 |
(** datatype theory **) |
|
1526 | 84 |
|
85 |
datatype theory = |
|
86 |
Theory of { |
|
87 |
sign: Sign.sg, |
|
1539 | 88 |
oraopt: (Sign.sg * exn -> term) option, |
1526 | 89 |
new_axioms: term Symtab.table, |
90 |
parents: theory list}; |
|
91 |
||
92 |
fun rep_theory (Theory args) = args; |
|
93 |
||
94 |
(*errors involving theories*) |
|
95 |
exception THEORY of string * theory list; |
|
96 |
||
97 |
||
98 |
val sign_of = #sign o rep_theory; |
|
99 |
val syn_of = #syn o Sign.rep_sg o sign_of; |
|
100 |
||
101 |
(*stamps associated with a theory*) |
|
102 |
val stamps_of_thy = #stamps o Sign.rep_sg o sign_of; |
|
103 |
||
104 |
(*return the immediate ancestors*) |
|
105 |
val parents_of = #parents o rep_theory; |
|
106 |
||
107 |
||
108 |
(*compare theories*) |
|
109 |
val subthy = Sign.subsig o pairself sign_of; |
|
110 |
val eq_thy = Sign.eq_sg o pairself sign_of; |
|
111 |
||
112 |
||
113 |
(* the Pure theories *) |
|
114 |
||
115 |
val proto_pure_thy = |
|
1539 | 116 |
Theory {sign = Sign.proto_pure, oraopt = None, |
117 |
new_axioms = Symtab.null, parents = []}; |
|
1526 | 118 |
|
119 |
val pure_thy = |
|
1539 | 120 |
Theory {sign = Sign.pure, oraopt = None, |
121 |
new_axioms = Symtab.null, parents = []}; |
|
1526 | 122 |
|
123 |
val cpure_thy = |
|
1539 | 124 |
Theory {sign = Sign.cpure, oraopt = None, |
125 |
new_axioms = Symtab.null, parents = []}; |
|
1526 | 126 |
|
127 |
||
128 |
||
129 |
(** extend theory **) |
|
130 |
||
131 |
fun err_dup_axms names = |
|
132 |
error ("Duplicate axiom name(s) " ^ commas_quote names); |
|
133 |
||
1539 | 134 |
fun ext_thy (thy as Theory {sign, oraopt, new_axioms, parents}) |
135 |
sign1 new_axms = |
|
1526 | 136 |
let |
137 |
val draft = Sign.is_draft sign; |
|
138 |
val new_axioms1 = |
|
139 |
Symtab.extend_new (if draft then new_axioms else Symtab.null, new_axms) |
|
140 |
handle Symtab.DUPS names => err_dup_axms names; |
|
141 |
val parents1 = if draft then parents else [thy]; |
|
142 |
in |
|
1539 | 143 |
Theory {sign = sign1, oraopt = oraopt, |
144 |
new_axioms = new_axioms1, parents = parents1} |
|
1526 | 145 |
end; |
146 |
||
147 |
||
148 |
(* extend signature of a theory *) |
|
149 |
||
150 |
fun ext_sg extfun decls (thy as Theory {sign, ...}) = |
|
151 |
ext_thy thy (extfun decls sign) []; |
|
152 |
||
2206 | 153 |
val add_classes = ext_sg Sign.add_classes; |
3787
67571f49ebe3
new internal forms: add_classes_i, add_classrel_i, add_defsort_i, add_arities_i
wenzelm
parents:
3767
diff
changeset
|
154 |
val add_classes_i = ext_sg Sign.add_classes_i; |
2206 | 155 |
val add_classrel = ext_sg Sign.add_classrel; |
3787
67571f49ebe3
new internal forms: add_classes_i, add_classrel_i, add_defsort_i, add_arities_i
wenzelm
parents:
3767
diff
changeset
|
156 |
val add_classrel_i = ext_sg Sign.add_classrel_i; |
2206 | 157 |
val add_defsort = ext_sg Sign.add_defsort; |
3787
67571f49ebe3
new internal forms: add_classes_i, add_classrel_i, add_defsort_i, add_arities_i
wenzelm
parents:
3767
diff
changeset
|
158 |
val add_defsort_i = ext_sg Sign.add_defsort_i; |
2206 | 159 |
val add_types = ext_sg Sign.add_types; |
160 |
val add_tyabbrs = ext_sg Sign.add_tyabbrs; |
|
161 |
val add_tyabbrs_i = ext_sg Sign.add_tyabbrs_i; |
|
162 |
val add_arities = ext_sg Sign.add_arities; |
|
3787
67571f49ebe3
new internal forms: add_classes_i, add_classrel_i, add_defsort_i, add_arities_i
wenzelm
parents:
3767
diff
changeset
|
163 |
val add_arities_i = ext_sg Sign.add_arities_i; |
2206 | 164 |
val add_consts = ext_sg Sign.add_consts; |
165 |
val add_consts_i = ext_sg Sign.add_consts_i; |
|
166 |
val add_syntax = ext_sg Sign.add_syntax; |
|
167 |
val add_syntax_i = ext_sg Sign.add_syntax_i; |
|
168 |
val add_modesyntax = curry (ext_sg Sign.add_modesyntax); |
|
169 |
val add_modesyntax_i = curry (ext_sg Sign.add_modesyntax_i); |
|
170 |
val add_trfuns = ext_sg Sign.add_trfuns; |
|
2385 | 171 |
val add_trfunsT = ext_sg Sign.add_trfunsT; |
2693 | 172 |
val add_tokentrfuns = ext_sg Sign.add_tokentrfuns; |
2206 | 173 |
val add_trrules = ext_sg Sign.add_trrules; |
174 |
val add_trrules_i = ext_sg Sign.add_trrules_i; |
|
3787
67571f49ebe3
new internal forms: add_classes_i, add_classrel_i, add_defsort_i, add_arities_i
wenzelm
parents:
3767
diff
changeset
|
175 |
val add_path = ext_sg Sign.add_path; |
67571f49ebe3
new internal forms: add_classes_i, add_classrel_i, add_defsort_i, add_arities_i
wenzelm
parents:
3767
diff
changeset
|
176 |
val add_space = ext_sg Sign.add_space; |
3767
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
177 |
val add_name = ext_sg Sign.add_name; |
1526 | 178 |
|
179 |
||
180 |
(* prepare axioms *) |
|
181 |
||
182 |
fun err_in_axm name = |
|
183 |
error ("The error(s) above occurred in axiom " ^ quote name); |
|
184 |
||
185 |
fun no_vars tm = |
|
186 |
if null (term_vars tm) andalso null (term_tvars tm) then tm |
|
187 |
else error "Illegal schematic variable(s) in term"; |
|
188 |
||
189 |
fun cert_axm sg (name, raw_tm) = |
|
190 |
let |
|
191 |
val (t, T, _) = Sign.certify_term sg raw_tm |
|
2979 | 192 |
handle TYPE (msg, _, _) => error msg |
1526 | 193 |
| TERM (msg, _) => error msg; |
194 |
in |
|
195 |
assert (T = propT) "Term not of type prop"; |
|
196 |
(name, no_vars t) |
|
197 |
end |
|
198 |
handle ERROR => err_in_axm name; |
|
199 |
||
200 |
(*Some duplication of code with read_def_cterm*) |
|
201 |
fun read_axm sg (name, str) = |
|
202 |
let val ts = Syntax.read (#syn (Sign.rep_sg sg)) propT str; |
|
203 |
val (_, t, _) = |
|
204 |
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
|
205 |
in cert_axm sg (name,t) end |
ae390b599213
Improved error handling: if there are syntax or type-checking
paulson
parents:
1539
diff
changeset
|
206 |
handle ERROR => err_in_axm name; |
1526 | 207 |
|
208 |
fun inferT_axm sg (name, pre_tm) = |
|
209 |
let val t = #2(Sign.infer_types sg (K None) (K None) [] true |
|
210 |
([pre_tm], propT)) |
|
211 |
in (name, no_vars t) end |
|
212 |
handle ERROR => err_in_axm name; |
|
213 |
||
214 |
||
215 |
(* extend axioms of a theory *) |
|
216 |
||
217 |
fun ext_axms prep_axm axms (thy as Theory {sign, ...}) = |
|
218 |
let |
|
219 |
val sign1 = Sign.make_draft sign; |
|
220 |
val axioms = map (apsnd (Term.compress_term o Logic.varify) o |
|
221 |
prep_axm sign) |
|
222 |
axms; |
|
223 |
in |
|
224 |
ext_thy thy sign1 axioms |
|
225 |
end; |
|
226 |
||
227 |
val add_axioms = ext_axms read_axm; |
|
228 |
val add_axioms_i = ext_axms cert_axm; |
|
229 |
||
230 |
||
3767
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 |
(** add constant definitions **) |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
233 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
234 |
(* all_axioms_of *) |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
235 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
236 |
(*results may contain duplicates!*) |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
237 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
238 |
fun ancestry_of thy = |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
239 |
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
|
240 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
241 |
val all_axioms_of = |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
242 |
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
|
243 |
|
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 |
(* clash_types, clash_consts *) |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
246 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
247 |
(*check if types have common instance (ignoring sorts)*) |
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 |
fun clash_types ty1 ty2 = |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
250 |
let |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
251 |
val ty1' = Type.varifyT ty1; |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
252 |
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
|
253 |
in |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
254 |
Type.raw_unify (ty1', ty2') |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
255 |
end; |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
256 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
257 |
fun clash_consts (c1, ty1) (c2, ty2) = |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
258 |
c1 = c2 andalso clash_types ty1 ty2; |
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 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
261 |
(* clash_defns *) |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
262 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
263 |
fun clash_defn c_ty (name, tm) = |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
264 |
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
|
265 |
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
|
266 |
end handle TERM _ => None; |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
267 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
268 |
fun clash_defns c_ty axms = |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
269 |
distinct (mapfilter (clash_defn c_ty) axms); |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
270 |
|
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 |
(* dest_defn *) |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
273 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
274 |
fun dest_defn tm = |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
275 |
let |
3787
67571f49ebe3
new internal forms: add_classes_i, add_classrel_i, add_defsort_i, add_arities_i
wenzelm
parents:
3767
diff
changeset
|
276 |
fun err msg = raise TERM (msg, [tm]); |
3767
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
277 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
278 |
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
|
279 |
handle TERM _ => err "Not a meta-equality (==)"; |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
280 |
val (head, args) = strip_comb lhs; |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
281 |
val (c, ty) = dest_Const head |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
282 |
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
|
283 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
284 |
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
|
285 |
| occs_const (Abs (_, _, t)) = occs_const t |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
286 |
| 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
|
287 |
| occs_const _ = false; |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
288 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
289 |
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
|
290 |
val show_tfrees = commas_quote o map fst; |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
291 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
292 |
val lhs_dups = duplicates args; |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
293 |
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
|
294 |
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
|
295 |
in |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
296 |
if not (forall is_Free args) then |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
297 |
err "Arguments (on lhs) must be variables" |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
298 |
else if not (null lhs_dups) then |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
299 |
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
|
300 |
else if not (null rhs_extras) then |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
301 |
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
|
302 |
else if not (null rhs_extrasT) then |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
303 |
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
|
304 |
else if occs_const rhs then |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
305 |
err ("Constant to be defined occurs on rhs") |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
306 |
else (c, ty) |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
307 |
end; |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
308 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
309 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
310 |
(* check_defn *) |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
311 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
312 |
fun err_in_defn name msg = |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
313 |
(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
|
314 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
315 |
fun check_defn sign (axms, (name, tm)) = |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
316 |
let |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
317 |
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
|
318 |
[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
|
319 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
320 |
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
|
321 |
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
|
322 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
323 |
val (c, ty) = dest_defn tm |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
324 |
handle TERM (msg, _) => err_in_defn name msg; |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
325 |
val defns = clash_defns (c, ty) axms; |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
326 |
in |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
327 |
if not (null defns) then |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
328 |
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
|
329 |
"\nclashes with " ^ show_defns c defns) |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
330 |
else (name, tm) :: axms |
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 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
334 |
(* add_defs *) |
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 |
fun ext_defns prep_axm raw_axms thy = |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
337 |
let |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
338 |
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
|
339 |
val all_axms = all_axioms_of thy; |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
340 |
in |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
341 |
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
|
342 |
add_axioms_i axms thy |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
343 |
end; |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
344 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
345 |
val add_defs_i = ext_defns cert_axm; |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
346 |
val add_defs = ext_defns read_axm; |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
347 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
348 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
349 |
|
1539 | 350 |
(** Set oracle of theory **) |
351 |
||
3767
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
352 |
(* FIXME support more than one oracle (!?) *) |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
353 |
|
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
354 |
fun set_oracle oracle |
1539 | 355 |
(thy as Theory {sign, oraopt = None, new_axioms, parents}) = |
356 |
if Sign.is_draft sign then |
|
357 |
Theory {sign = sign, |
|
358 |
oraopt = Some oracle, |
|
359 |
new_axioms = new_axioms, |
|
360 |
parents = parents} |
|
361 |
else raise THEORY ("Can only set oracle of a draft", [thy]) |
|
362 |
| set_oracle _ thy = raise THEORY ("Oracle already set", [thy]); |
|
363 |
||
1526 | 364 |
|
3767
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
365 |
|
1526 | 366 |
(** merge theories **) |
367 |
||
368 |
fun merge_thy_list mk_draft thys = |
|
369 |
let |
|
370 |
fun is_union thy = forall (fn t => subthy (t, thy)) thys; |
|
371 |
val is_draft = Sign.is_draft o sign_of; |
|
372 |
||
373 |
fun add_sign (sg, Theory {sign, ...}) = |
|
374 |
Sign.merge (sg, sign) handle TERM (msg, _) => error msg; |
|
375 |
in |
|
1539 | 376 |
case (find_first is_union thys, exists is_draft thys) of |
1526 | 377 |
(Some thy, _) => thy |
378 |
| (None, true) => raise THEORY ("Illegal merge of draft theories", thys) |
|
379 |
| (None, false) => Theory { |
|
380 |
sign = |
|
381 |
(if mk_draft then Sign.make_draft else I) |
|
382 |
(foldl add_sign (Sign.proto_pure, thys)), |
|
1539 | 383 |
oraopt = None, |
1526 | 384 |
new_axioms = Symtab.null, |
1539 | 385 |
parents = thys} |
1526 | 386 |
end; |
387 |
||
388 |
fun merge_theories (thy1, thy2) = merge_thy_list false [thy1, thy2]; |
|
389 |
||
390 |
||
391 |
end; |
|
392 |
||
3767
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
393 |
structure BasicTheory: BASIC_THEORY = Theory; |
e2bb53d8dd26
moved theory stuff (add_defs etc.) here from drule.ML;
wenzelm
parents:
2979
diff
changeset
|
394 |
open BasicTheory; |