author  wenzelm 
Mon, 30 Apr 2007 13:33:00 +0200  
changeset 22827  7dc27b37f7f7 
parent 22603  76c30440c9af 
child 22847  22da6c4bc422 
permissions  rwrr 
6185  1 
(* Title: Pure/context.ML 
2 
ID: $Id$ 

3 
Author: Markus Wenzel, TU Muenchen 

4 

16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

5 
Generic theory contexts with unique identity, arbitrarily typed data, 
22095
07875394618e
moved ML context stuff to from Context to ML_Context;
wenzelm
parents:
22085
diff
changeset

6 
development graph and history support. Generic proof contexts with 
07875394618e
moved ML context stuff to from Context to ML_Context;
wenzelm
parents:
22085
diff
changeset

7 
arbitrarily typed data. 
6185  8 
*) 
9 

10 
signature BASIC_CONTEXT = 

11 
sig 

16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

12 
type theory 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

13 
type theory_ref 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

14 
exception THEORY of string * theory list 
6185  15 
end; 
16 

17 
signature CONTEXT = 

18 
sig 

19 
include BASIC_CONTEXT 

16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

20 
(*theory context*) 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

21 
val theory_name: theory > string 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

22 
val parents_of: theory > theory list 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

23 
val ancestors_of: theory > theory list 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

24 
val is_stale: theory > bool 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

25 
val ProtoPureN: string 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

26 
val PureN: string 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

27 
val CPureN: string 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

28 
val draftN: string 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

29 
val exists_name: string > theory > bool 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

30 
val names_of: theory > string list 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

31 
val pretty_thy: theory > Pretty.T 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

32 
val string_of_thy: theory > string 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

33 
val pprint_thy: theory > pprint_args > unit 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

34 
val pretty_abbrev_thy: theory > Pretty.T 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

35 
val str_of_thy: theory > string 
16719  36 
val check_thy: theory > theory 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

37 
val eq_thy: theory * theory > bool 
22603  38 
val thy_ord: theory * theory > order 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

39 
val subthy: theory * theory > bool 
16594  40 
val joinable: theory * theory > bool 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

41 
val merge: theory * theory > theory (*exception TERM*) 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

42 
val merge_refs: theory_ref * theory_ref > theory_ref (*exception TERM*) 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

43 
val self_ref: theory > theory_ref 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

44 
val deref: theory_ref > theory 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

45 
val copy_thy: theory > theory 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

46 
val checkpoint_thy: theory > theory 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

47 
val finish_thy: theory > theory 
16533  48 
val theory_data_of: theory > string list 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

49 
val pre_pure_thy: theory 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

50 
val begin_thy: (theory > Pretty.pp) > string > theory list > theory 
16533  51 
(*proof context*) 
52 
type proof 

53 
val theory_of_proof: proof > theory 

17060
cca2f3938443
type proof: theory_ref instead of theory (make proof contexts independent entities);
wenzelm
parents:
16894
diff
changeset

54 
val transfer_proof: theory > proof > proof 
16533  55 
val init_proof: theory > proof 
56 
val proof_data_of: theory > string list 

57 
(*generic context*) 

18632  58 
datatype generic = Theory of theory  Proof of proof 
59 
val cases: (theory > 'a) > (proof > 'a) > generic > 'a 

19678  60 
val mapping: (theory > theory) > (proof > proof) > generic > generic 
21660  61 
val mapping_result: (theory > 'a * theory) > (proof > 'a * proof) > generic > 'a * generic 
18632  62 
val the_theory: generic > theory 
63 
val the_proof: generic > proof 

18731  64 
val map_theory: (theory > theory) > generic > generic 
65 
val map_proof: (proof > proof) > generic > generic 

66 
val theory_map: (generic > generic) > theory > theory 

67 
val proof_map: (generic > generic) > proof > proof 

18665  68 
val theory_of: generic > theory (*total*) 
69 
val proof_of: generic > proof (*total*) 

22095
07875394618e
moved ML context stuff to from Context to ML_Context;
wenzelm
parents:
22085
diff
changeset

70 
(*delayed setup*) 
22085
c138cfd500f7
ML context: full generic context, tuned signature;
wenzelm
parents:
21962
diff
changeset

71 
val add_setup: (theory > theory) > unit 
c138cfd500f7
ML context: full generic context, tuned signature;
wenzelm
parents:
21962
diff
changeset

72 
val setup: unit > theory > theory 
6185  73 
end; 
74 

16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

75 
signature PRIVATE_CONTEXT = 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

76 
sig 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

77 
include CONTEXT 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

78 
structure TheoryData: 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

79 
sig 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

80 
val declare: string > Object.T > (Object.T > Object.T) > (Object.T > Object.T) > 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

81 
(Pretty.pp > Object.T * Object.T > Object.T) > serial 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

82 
val init: serial > theory > theory 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

83 
val get: serial > (Object.T > 'a) > theory > 'a 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

84 
val put: serial > ('a > Object.T) > 'a > theory > theory 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

85 
end 
16533  86 
structure ProofData: 
87 
sig 

88 
val declare: string > (theory > Object.T) > serial 

89 
val init: serial > theory > theory 

90 
val get: serial > (Object.T > 'a) > proof > 'a 

91 
val put: serial > ('a > Object.T) > 'a > proof > proof 

92 
end 

16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

93 
end; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

94 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

95 
structure Context: PRIVATE_CONTEXT = 
6185  96 
struct 
97 

16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

98 
(*** theory context ***) 
6185  99 

16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

100 
(** theory data **) 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

101 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

102 
(* data kinds and access methods *) 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

103 

19028
6c238953f66c
structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents:
18931
diff
changeset

104 
(*private copy avoids potential conflict of table exceptions*) 
6c238953f66c
structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents:
18931
diff
changeset

105 
structure Datatab = TableFun(type key = int val ord = int_ord); 
6c238953f66c
structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents:
18931
diff
changeset

106 

16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

107 
local 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

108 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

109 
type kind = 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

110 
{name: string, 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

111 
empty: Object.T, 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

112 
copy: Object.T > Object.T, 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

113 
extend: Object.T > Object.T, 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

114 
merge: Pretty.pp > Object.T * Object.T > Object.T}; 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

115 

19028
6c238953f66c
structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents:
18931
diff
changeset

116 
val kinds = ref (Datatab.empty: kind Datatab.table); 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

117 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

118 
fun invoke meth_name meth_fn k = 
19028
6c238953f66c
structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents:
18931
diff
changeset

119 
(case Datatab.lookup (! kinds) k of 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

120 
SOME kind => meth_fn kind > transform_failure (fn exn => 
17340  121 
EXCEPTION (exn, "Theory data method " ^ #name kind ^ "." ^ meth_name ^ " failed")) 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

122 
 NONE => sys_error ("Invalid theory data identifier " ^ string_of_int k)); 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

123 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

124 
in 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

125 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

126 
fun invoke_name k = invoke "name" (K o #name) k (); 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

127 
fun invoke_empty k = invoke "empty" (K o #empty) k (); 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

128 
val invoke_copy = invoke "copy" #copy; 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

129 
val invoke_extend = invoke "extend" #extend; 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

130 
fun invoke_merge pp = invoke "merge" (fn kind => #merge kind pp); 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

131 

16533  132 
fun declare_theory_data name empty copy extend merge = 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

133 
let 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

134 
val k = serial (); 
16533  135 
val kind = {name = name, empty = empty, copy = copy, extend = extend, merge = merge}; 
21962  136 
val _ = 
137 
if Datatab.exists (equal name o #name o #2) (! kinds) then 

138 
warning ("Duplicate declaration of theory data " ^ quote name) 

139 
else (); 

19028
6c238953f66c
structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents:
18931
diff
changeset

140 
val _ = change kinds (Datatab.update (k, kind)); 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

141 
in k end; 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

142 

19028
6c238953f66c
structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents:
18931
diff
changeset

143 
val copy_data = Datatab.map' invoke_copy; 
6c238953f66c
structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents:
18931
diff
changeset

144 
val extend_data = Datatab.map' invoke_extend; 
6c238953f66c
structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents:
18931
diff
changeset

145 
fun merge_data pp = Datatab.join (invoke_merge pp) o pairself extend_data; 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

146 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

147 
end; 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

148 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

149 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

150 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

151 
(** datatype theory **) 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

152 

16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

153 
datatype theory = 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

154 
Theory of 
16533  155 
(*identity*) 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

156 
{self: theory ref option, (*dynamic self reference  follows theory changes*) 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

157 
id: serial * string, (*identifier of this theory*) 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

158 
ids: string Inttab.table, (*identifiers of ancestors*) 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

159 
iids: string Inttab.table} * (*identifiers of intermediate checkpoints*) 
16533  160 
(*data*) 
19028
6c238953f66c
structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents:
18931
diff
changeset

161 
{theory: Object.T Datatab.table, (*theory data record*) 
6c238953f66c
structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents:
18931
diff
changeset

162 
proof: unit Datatab.table} * (*proof data kinds*) 
16533  163 
(*ancestry*) 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

164 
{parents: theory list, (*immediate predecessors*) 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

165 
ancestors: theory list} * (*all predecessors*) 
16533  166 
(*history*) 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

167 
{name: string, (*prospective name of finished theory*) 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

168 
version: int, (*checkpoint counter*) 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

169 
intermediates: theory list}; (*intermediate checkpoints*) 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

170 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

171 
exception THEORY of string * theory list; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

172 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

173 
fun rep_theory (Theory args) = args; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

174 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

175 
val identity_of = #1 o rep_theory; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

176 
val data_of = #2 o rep_theory; 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

177 
val ancestry_of = #3 o rep_theory; 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

178 
val history_of = #4 o rep_theory; 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

179 

16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

180 
fun make_identity self id ids iids = {self = self, id = id, ids = ids, iids = iids}; 
16533  181 
fun make_data theory proof = {theory = theory, proof = proof}; 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

182 
fun make_ancestry parents ancestors = {parents = parents, ancestors = ancestors}; 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

183 
fun make_history name vers ints = {name = name, version = vers, intermediates = ints}; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

184 

18731  185 
fun map_theory_data f {theory, proof} = make_data (f theory) proof; 
186 
fun map_proof_data f {theory, proof} = make_data theory (f proof); 

16533  187 

188 
val the_self = the o #self o identity_of; 

16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

189 
val parents_of = #parents o ancestry_of; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

190 
val ancestors_of = #ancestors o ancestry_of; 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

191 
val theory_name = #name o history_of; 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

192 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

193 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

194 
(* staleness *) 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

195 

16533  196 
fun eq_id ((i: int, _), (j, _)) = (i = j); 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

197 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

198 
fun is_stale 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

199 
(Theory ({self = SOME (ref (Theory ({id = id', ...}, _, _, _))), id, ...}, _, _, _)) = 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

200 
not (eq_id (id, id')) 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

201 
 is_stale (Theory ({self = NONE, ...}, _, _, _)) = true; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

202 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

203 
fun vitalize (thy as Theory ({self = SOME r, ...}, _, _, _)) = (r := thy; thy) 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

204 
 vitalize (thy as Theory ({self = NONE, id, ids, iids}, data, ancestry, history)) = 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

205 
let 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

206 
val r = ref thy; 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

207 
val thy' = Theory (make_identity (SOME r) id ids iids, data, ancestry, history); 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

208 
in r := thy'; thy' end; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

209 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

210 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

211 
(* names *) 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

212 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

213 
val ProtoPureN = "ProtoPure"; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

214 
val PureN = "Pure"; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

215 
val CPureN = "CPure"; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

216 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

217 
val draftN = "#"; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

218 
fun draft_id (_, name) = (name = draftN); 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

219 
val is_draft = draft_id o #id o identity_of; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

220 

20821  221 
fun exists_name name (thy as Theory ({id, ids, iids, ...}, _, _, _)) = 
222 
name = theory_name thy orelse 

16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

223 
name = #2 id orelse 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

224 
Inttab.exists (equal name o #2) ids orelse 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

225 
Inttab.exists (equal name o #2) iids; 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

226 

16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

227 
fun names_of (Theory ({id, ids, iids, ...}, _, _, _)) = 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

228 
rev (#2 id :: Inttab.fold (cons o #2) iids (Inttab.fold (cons o #2) ids [])); 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

229 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

230 
fun pretty_thy thy = 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

231 
Pretty.str_list "{" "}" (names_of thy @ (if is_stale thy then ["!"] else [])); 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

232 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

233 
val string_of_thy = Pretty.string_of o pretty_thy; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

234 
val pprint_thy = Pretty.pprint o pretty_thy; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

235 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

236 
fun pretty_abbrev_thy thy = 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

237 
let 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

238 
val names = names_of thy; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

239 
val n = length names; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

240 
val abbrev = if n > 5 then "..." :: List.drop (names, n  5) else names; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

241 
in Pretty.str_list "{" "}" abbrev end; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

242 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

243 
val str_of_thy = Pretty.str_of o pretty_abbrev_thy; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

244 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

245 

16533  246 
(* consistency *) (*exception TERM*) 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

247 

16719  248 
fun check_thy thy = 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

249 
if is_stale thy then 
16719  250 
raise TERM ("Stale theory encountered:\n" ^ string_of_thy thy, []) 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

251 
else thy; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

252 

16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

253 
fun check_ins id ids = 
16894  254 
if draft_id id orelse Inttab.defined ids (#1 id) then ids 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

255 
else if Inttab.exists (equal (#2 id) o #2) ids then 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

256 
raise TERM ("Different versions of theory component " ^ quote (#2 id), []) 
17412  257 
else Inttab.update id ids; 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

258 

16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

259 
fun check_insert intermediate id (ids, iids) = 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

260 
let val ids' = check_ins id ids and iids' = check_ins id iids 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

261 
in if intermediate then (ids, iids') else (ids', iids) end; 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

262 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

263 
fun check_merge 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

264 
(Theory ({id = id1, ids = ids1, iids = iids1, ...}, _, _, history1)) 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

265 
(Theory ({id = id2, ids = ids2, iids = iids2, ...}, _, _, history2)) = 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

266 
(Inttab.fold check_ins ids2 ids1, Inttab.fold check_ins iids2 iids1) 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

267 
> check_insert (#version history1 > 0) id1 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

268 
> check_insert (#version history2 > 0) id2; 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

269 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

270 

16533  271 
(* equality and inclusion *) 
272 

16719  273 
val eq_thy = eq_id o pairself (#id o identity_of o check_thy); 
22603  274 
val thy_ord = int_ord o pairself (#1 o #id o identity_of); 
16533  275 

276 
fun proper_subthy 

16719  277 
(Theory ({id = (i, _), ...}, _, _, _), Theory ({ids, iids, ...}, _, _, _)) = 
16894  278 
Inttab.defined ids i orelse Inttab.defined iids i; 
16533  279 

280 
fun subthy thys = eq_thy thys orelse proper_subthy thys; 

281 

16594  282 
fun joinable (thy1, thy2) = subthy (thy1, thy2) orelse subthy (thy2, thy1); 
283 

16533  284 

16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

285 
(* theory references *) 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

286 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

287 
(*theory_ref provides a safe way to store dynamic references to a 
16533  288 
theory in external data structures  a plain theory value would 
289 
become stale as the self reference moves on*) 

16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

290 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

291 
datatype theory_ref = TheoryRef of theory ref; 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

292 

16719  293 
val self_ref = TheoryRef o the_self o check_thy; 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

294 
fun deref (TheoryRef (ref thy)) = thy; 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

295 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

296 

16533  297 
(* trivial merge *) (*exception TERM*) 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

298 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

299 
fun merge (thy1, thy2) = 
16719  300 
if eq_thy (thy1, thy2) then thy1 
301 
else if proper_subthy (thy2, thy1) then thy1 

302 
else if proper_subthy (thy1, thy2) then thy2 

16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

303 
else (check_merge thy1 thy2; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

304 
raise TERM (cat_lines ["Attempt to perform nontrivial merge of theories:", 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

305 
str_of_thy thy1, str_of_thy thy2], [])); 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

306 

16719  307 
fun merge_refs (ref1, ref2) = 
308 
if ref1 = ref2 then ref1 

309 
else self_ref (merge (deref ref1, deref ref2)); 

16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

310 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

311 

16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

312 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

313 
(** build theories **) 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

314 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

315 
(* primitives *) 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

316 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

317 
fun create_thy name self id ids iids data ancestry history = 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

318 
let 
17756  319 
val {version, name = _, intermediates = _} = history; 
320 
val intermediate = version > 0; 

16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

321 
val (ids', iids') = check_insert intermediate id (ids, iids); 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

322 
val id' = (serial (), name); 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

323 
val _ = check_insert intermediate id' (ids', iids'); 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

324 
val identity' = make_identity self id' ids' iids'; 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

325 
in vitalize (Theory (identity', data, ancestry, history)) end; 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

326 

16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

327 
fun change_thy name f (thy as Theory ({self, id, ids, iids}, data, ancestry, history)) = 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

328 
let 
16719  329 
val _ = check_thy thy; 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

330 
val (self', data', ancestry') = 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

331 
if is_draft thy then (self, data, ancestry) (*destructive change!*) 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

332 
else if #version history > 0 
18731  333 
then (NONE, map_theory_data copy_data data, ancestry) 
334 
else (NONE, map_theory_data extend_data data, 

335 
make_ancestry [thy] (thy :: #ancestors ancestry)); 

16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

336 
val data'' = f data'; 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

337 
in create_thy name self' id ids iids data'' ancestry' history end; 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

338 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

339 
fun name_thy name = change_thy name I; 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

340 
val modify_thy = change_thy draftN; 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

341 
val extend_thy = modify_thy I; 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

342 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

343 
fun copy_thy (thy as Theory ({id, ids, iids, ...}, data, ancestry, history)) = 
16719  344 
(check_thy thy; 
18731  345 
create_thy draftN NONE id ids iids (map_theory_data copy_data data) ancestry history); 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

346 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

347 
val pre_pure_thy = create_thy draftN NONE (serial (), draftN) Inttab.empty Inttab.empty 
19028
6c238953f66c
structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents:
18931
diff
changeset

348 
(make_data Datatab.empty Datatab.empty) (make_ancestry [] []) (make_history ProtoPureN 0 []); 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

349 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

350 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

351 
(* named theory nodes *) 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

352 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

353 
fun merge_thys pp (thy1, thy2) = 
16533  354 
if exists_name CPureN thy1 <> exists_name CPureN thy2 then 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

355 
error "Cannot merge Pure and CPure developments" 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

356 
else 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

357 
let 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

358 
val (ids, iids) = check_merge thy1 thy2; 
16533  359 
val data1 = data_of thy1 and data2 = data_of thy2; 
360 
val data = make_data 

361 
(merge_data (pp thy1) (#theory data1, #theory data2)) 

19028
6c238953f66c
structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents:
18931
diff
changeset

362 
(Datatab.merge (K true) (#proof data1, #proof data2)); 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

363 
val ancestry = make_ancestry [] []; 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

364 
val history = make_history "" 0 []; 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

365 
in create_thy draftN NONE (serial (), draftN) ids iids data ancestry history end; 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

366 

16533  367 
fun maximal_thys thys = 
368 
thys > filter (fn thy => not (exists (fn thy' => proper_subthy (thy, thy')) thys)); 

369 

16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

370 
fun begin_thy pp name imports = 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

371 
if name = draftN then error ("Illegal theory name: " ^ quote draftN) 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

372 
else 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

373 
let 
16533  374 
val parents = 
19046
bc5c6c9b114e
removed distinct, renamed gen_distinct to distinct;
wenzelm
parents:
19028
diff
changeset

375 
maximal_thys (distinct eq_thy (map check_thy imports)); 
22603  376 
val ancestors = distinct eq_thy (parents @ maps ancestors_of parents); 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

377 
val Theory ({id, ids, iids, ...}, data, _, _) = 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

378 
(case parents of 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

379 
[] => error "No parent theories" 
16533  380 
 [thy] => extend_thy thy 
381 
 thy :: thys => Library.foldl (merge_thys pp) (thy, thys)); 

16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

382 
val ancestry = make_ancestry parents ancestors; 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

383 
val history = make_history name 0 []; 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

384 
in create_thy draftN NONE id ids iids data ancestry history end; 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

385 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

386 

16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

387 
(* undoable checkpoints *) 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

388 

16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

389 
fun checkpoint_thy thy = 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

390 
if not (is_draft thy) then thy 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

391 
else 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

392 
let 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

393 
val {name, version, intermediates} = history_of thy; 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

394 
val thy' as Theory (identity', data', ancestry', _) = 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

395 
name_thy (name ^ ":" ^ string_of_int version) thy; 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

396 
val history' = make_history name (version + 1) (thy' :: intermediates); 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

397 
in vitalize (Theory (identity', data', ancestry', history')) end; 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

398 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

399 
fun finish_thy thy = 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

400 
let 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

401 
val {name, version, intermediates} = history_of thy; 
16719  402 
val rs = map (the_self o check_thy) intermediates; 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

403 
val thy' as Theory ({self, id, ids, ...}, data', ancestry', _) = name_thy name thy; 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

404 
val identity' = make_identity self id ids Inttab.empty; 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

405 
val history' = make_history name 0 []; 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

406 
val thy'' = vitalize (Theory (identity', data', ancestry', history')); 
16533  407 
val _ = List.app (fn r => r := thy'') rs; 
408 
in thy'' end; 

16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

409 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

410 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

411 
(* theory data *) 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

412 

16533  413 
fun dest_data name_of tab = 
19028
6c238953f66c
structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents:
18931
diff
changeset

414 
map name_of (Datatab.keys tab) 
18931  415 
> map (rpair ()) > Symtab.make_list > Symtab.dest 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

416 
> map (apsnd length) 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

417 
> map (fn (name, 1) => name  (name, n) => name ^ enclose "[" "]" (string_of_int n)); 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

418 

16533  419 
val theory_data_of = dest_data invoke_name o #theory o data_of; 
420 

16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

421 
structure TheoryData = 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

422 
struct 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

423 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

424 
val declare = declare_theory_data; 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

425 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

426 
fun get k dest thy = 
19028
6c238953f66c
structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents:
18931
diff
changeset

427 
(case Datatab.lookup (#theory (data_of thy)) k of 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

428 
SOME x => (dest x handle Match => 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

429 
error ("Failed to access theory data " ^ quote (invoke_name k))) 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

430 
 NONE => error ("Uninitialized theory data " ^ quote (invoke_name k))); 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

431 

19028
6c238953f66c
structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents:
18931
diff
changeset

432 
fun put k mk x = modify_thy (map_theory_data (Datatab.update (k, mk x))); 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

433 
fun init k = put k I (invoke_empty k); 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

434 

f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

435 
end; 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

436 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

437 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

438 

16533  439 
(*** proof context ***) 
440 

441 
(* datatype proof *) 

442 

19028
6c238953f66c
structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents:
18931
diff
changeset

443 
datatype proof = Proof of theory_ref * Object.T Datatab.table; 
17060
cca2f3938443
type proof: theory_ref instead of theory (make proof contexts independent entities);
wenzelm
parents:
16894
diff
changeset

444 

cca2f3938443
type proof: theory_ref instead of theory (make proof contexts independent entities);
wenzelm
parents:
16894
diff
changeset

445 
fun theory_of_proof (Proof (thy_ref, _)) = deref thy_ref; 
16533  446 
fun data_of_proof (Proof (_, data)) = data; 
17060
cca2f3938443
type proof: theory_ref instead of theory (make proof contexts independent entities);
wenzelm
parents:
16894
diff
changeset

447 
fun map_prf f (Proof (thy_ref, data)) = Proof (thy_ref, f data); 
cca2f3938443
type proof: theory_ref instead of theory (make proof contexts independent entities);
wenzelm
parents:
16894
diff
changeset

448 

cca2f3938443
type proof: theory_ref instead of theory (make proof contexts independent entities);
wenzelm
parents:
16894
diff
changeset

449 
fun transfer_proof thy' (prf as Proof (thy_ref, data)) = 
cca2f3938443
type proof: theory_ref instead of theory (make proof contexts independent entities);
wenzelm
parents:
16894
diff
changeset

450 
if not (subthy (deref thy_ref, thy')) then 
19815  451 
error "transfer proof context: not a super theory" 
17060
cca2f3938443
type proof: theory_ref instead of theory (make proof contexts independent entities);
wenzelm
parents:
16894
diff
changeset

452 
else Proof (self_ref thy', data); 
16533  453 

454 

455 
(* proof data kinds *) 

456 

457 
local 

458 

459 
type kind = 

460 
{name: string, 

461 
init: theory > Object.T}; 

462 

19028
6c238953f66c
structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents:
18931
diff
changeset

463 
val kinds = ref (Datatab.empty: kind Datatab.table); 
16533  464 

465 
fun invoke meth_name meth_fn k = 

19028
6c238953f66c
structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents:
18931
diff
changeset

466 
(case Datatab.lookup (! kinds) k of 
16533  467 
SOME kind => meth_fn kind > transform_failure (fn exn => 
17340  468 
EXCEPTION (exn, "Proof data method " ^ #name kind ^ "." ^ meth_name ^ " failed")) 
16533  469 
 NONE => sys_error ("Invalid proof data identifier " ^ string_of_int k)); 
470 

471 
fun invoke_name k = invoke "name" (K o #name) k (); 

472 
val invoke_init = invoke "init" #init; 

473 

474 
in 

475 

476 
val proof_data_of = dest_data invoke_name o #proof o data_of; 

477 

478 
fun init_proof thy = 

19028
6c238953f66c
structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents:
18931
diff
changeset

479 
Proof (self_ref thy, Datatab.map' (fn k => fn _ => invoke_init k thy) (#proof (data_of thy))); 
16533  480 

481 
structure ProofData = 

482 
struct 

483 

484 
fun declare name init = 

485 
let 

486 
val k = serial (); 

487 
val kind = {name = name, init = init}; 

21962  488 
val _ = 
489 
if Datatab.exists (equal name o #name o #2) (! kinds) then 

490 
warning ("Duplicate declaration of proof data " ^ quote name) 

491 
else (); 

19028
6c238953f66c
structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents:
18931
diff
changeset

492 
val _ = change kinds (Datatab.update (k, kind)); 
16533  493 
in k end; 
494 

19028
6c238953f66c
structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents:
18931
diff
changeset

495 
fun init k = modify_thy (map_proof_data (Datatab.update (k, ()))); 
16533  496 

497 
fun get k dest prf = 

19028
6c238953f66c
structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents:
18931
diff
changeset

498 
(case Datatab.lookup (data_of_proof prf) k of 
16533  499 
SOME x => (dest x handle Match => 
500 
error ("Failed to access proof data " ^ quote (invoke_name k))) 

501 
 NONE => error ("Uninitialized proof data " ^ quote (invoke_name k))); 

502 

19028
6c238953f66c
structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents:
18931
diff
changeset

503 
fun put k mk x = map_prf (Datatab.update (k, mk x)); 
16533  504 

505 
end; 

506 

507 
end; 

508 

509 

18632  510 

16533  511 
(*** generic context ***) 
512 

18632  513 
datatype generic = Theory of theory  Proof of proof; 
514 

515 
fun cases f _ (Theory thy) = f thy 

516 
 cases _ g (Proof prf) = g prf; 

16533  517 

19678  518 
fun mapping f g = cases (Theory o f) (Proof o g); 
21660  519 
fun mapping_result f g = cases (apsnd Theory o f) (apsnd Proof o g); 
19678  520 

18731  521 
val the_theory = cases I (fn _ => raise Fail "Illtyped context: theory expected"); 
522 
val the_proof = cases (fn _ => raise Fail "Illtyped context: proof expected") I; 

16533  523 

18731  524 
fun map_theory f = Theory o f o the_theory; 
525 
fun map_proof f = Proof o f o the_proof; 

526 

527 
fun theory_map f = the_theory o f o Theory; 

528 
fun proof_map f = the_proof o f o Proof; 

18665  529 

18632  530 
val theory_of = cases I theory_of_proof; 
531 
val proof_of = cases init_proof I; 

16533  532 

22085
c138cfd500f7
ML context: full generic context, tuned signature;
wenzelm
parents:
21962
diff
changeset

533 

c138cfd500f7
ML context: full generic context, tuned signature;
wenzelm
parents:
21962
diff
changeset

534 

22095
07875394618e
moved ML context stuff to from Context to ML_Context;
wenzelm
parents:
22085
diff
changeset

535 
(** delayed theory setup **) 
22085
c138cfd500f7
ML context: full generic context, tuned signature;
wenzelm
parents:
21962
diff
changeset

536 

c138cfd500f7
ML context: full generic context, tuned signature;
wenzelm
parents:
21962
diff
changeset

537 
local 
c138cfd500f7
ML context: full generic context, tuned signature;
wenzelm
parents:
21962
diff
changeset

538 
val setup_fn = ref (I: theory > theory); 
c138cfd500f7
ML context: full generic context, tuned signature;
wenzelm
parents:
21962
diff
changeset

539 
in 
c138cfd500f7
ML context: full generic context, tuned signature;
wenzelm
parents:
21962
diff
changeset

540 
fun add_setup f = setup_fn := (! setup_fn #> f); 
c138cfd500f7
ML context: full generic context, tuned signature;
wenzelm
parents:
21962
diff
changeset

541 
fun setup () = let val f = ! setup_fn in setup_fn := I; f end; 
c138cfd500f7
ML context: full generic context, tuned signature;
wenzelm
parents:
21962
diff
changeset

542 
end; 
c138cfd500f7
ML context: full generic context, tuned signature;
wenzelm
parents:
21962
diff
changeset

543 

6185  544 
end; 
545 

546 
structure BasicContext: BASIC_CONTEXT = Context; 

547 
open BasicContext; 

16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

548 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

549 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

550 

16533  551 
(*** typesafe interfaces for data declarations ***) 
552 

553 
(** theory data **) 

16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

554 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

555 
signature THEORY_DATA_ARGS = 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

556 
sig 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

557 
val name: string 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

558 
type T 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

559 
val empty: T 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

560 
val copy: T > T 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

561 
val extend: T > T 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

562 
val merge: Pretty.pp > T * T > T 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

563 
val print: theory > T > unit 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

564 
end; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

565 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

566 
signature THEORY_DATA = 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

567 
sig 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

568 
type T 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

569 
val init: theory > theory 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

570 
val print: theory > unit 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

571 
val get: theory > T 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

572 
val put: T > theory > theory 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

573 
val map: (T > T) > theory > theory 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

574 
end; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

575 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

576 
functor TheoryDataFun(Data: THEORY_DATA_ARGS): THEORY_DATA = 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

577 
struct 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

578 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

579 
structure TheoryData = Context.TheoryData; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

580 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

581 
type T = Data.T; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

582 
exception Data of T; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

583 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

584 
val kind = TheoryData.declare Data.name 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

585 
(Data Data.empty) 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

586 
(fn Data x => Data (Data.copy x)) 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

587 
(fn Data x => Data (Data.extend x)) 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

588 
(fn pp => fn (Data x1, Data x2) => Data (Data.merge pp (x1, x2))); 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

589 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

590 
val init = TheoryData.init kind; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

591 
val get = TheoryData.get kind (fn Data x => x); 
16489
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

592 
val get_sg = get; 
f66ab8a4e98f
improved treatment of intermediate checkpoints: actual copy
wenzelm
parents:
16436
diff
changeset

593 
fun print thy = Data.print thy (get thy); 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

594 
val put = TheoryData.put kind Data; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

595 
fun map f thy = put (f (get thy)) thy; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

596 

7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

597 
end; 
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

598 

16533  599 

600 

601 
(** proof data **) 

602 

603 
signature PROOF_DATA_ARGS = 

604 
sig 

605 
val name: string 

606 
type T 

607 
val init: theory > T 

608 
val print: Context.proof > T > unit 

609 
end; 

610 

611 
signature PROOF_DATA = 

612 
sig 

613 
type T 

614 
val init: theory > theory 

615 
val print: Context.proof > unit 

616 
val get: Context.proof > T 

617 
val put: T > Context.proof > Context.proof 

618 
val map: (T > T) > Context.proof > Context.proof 

619 
end; 

620 

621 
functor ProofDataFun(Data: PROOF_DATA_ARGS): PROOF_DATA = 

622 
struct 

623 

624 
structure ProofData = Context.ProofData; 

625 

626 
type T = Data.T; 

627 
exception Data of T; 

628 

629 
val kind = ProofData.declare Data.name (Data o Data.init); 

630 

631 
val init = ProofData.init kind; 

632 
val get = ProofData.get kind (fn Data x => x); 

633 
fun print prf = Data.print prf (get prf); 

634 
val put = ProofData.put kind Data; 

635 
fun map f prf = put (f (get prf)) prf; 

636 

637 
end; 

638 

18632  639 

640 

641 
(** generic data **) 

642 

643 
signature GENERIC_DATA_ARGS = 

644 
sig 

645 
val name: string 

646 
type T 

647 
val empty: T 

648 
val extend: T > T 

649 
val merge: Pretty.pp > T * T > T 

650 
val print: Context.generic > T > unit 

651 
end; 

652 

653 
signature GENERIC_DATA = 

654 
sig 

655 
type T 

656 
val init: theory > theory 

657 
val get: Context.generic > T 

658 
val put: T > Context.generic > Context.generic 

659 
val map: (T > T) > Context.generic > Context.generic 

660 
val print: Context.generic > unit 

661 
end; 

662 

663 
functor GenericDataFun(Data: GENERIC_DATA_ARGS): GENERIC_DATA = 

664 
struct 

665 

666 
structure ThyData = TheoryDataFun(open Data val copy = I fun print _ _ = ()); 

667 
structure PrfData = 

668 
ProofDataFun(val name = Data.name type T = Data.T val init = ThyData.get fun print _ _ = ()); 

669 

670 
type T = Data.T; 

671 
val init = ThyData.init #> PrfData.init; 

672 

673 
fun get (Context.Theory thy) = ThyData.get thy 

674 
 get (Context.Proof prf) = PrfData.get prf; 

675 

676 
fun put x (Context.Theory thy) = Context.Theory (ThyData.put x thy) 

677 
 put x (Context.Proof prf) = Context.Proof (PrfData.put x prf); 

678 

679 
fun map f ctxt = put (f (get ctxt)) ctxt; 

680 

681 
fun print ctxt = Data.print ctxt (get ctxt); 

682 

683 
end; 

684 

16533  685 
(*hide private interface*) 
16436
7eb6b6cbd166
added type theory: generic theory contexts with unique identity,
wenzelm
parents:
15801
diff
changeset

686 
structure Context: CONTEXT = Context; 
20297  687 

21518  688 
(*fake predeclarations*) 
20297  689 
structure Proof = struct type context = Context.proof end; 
21518  690 
structure ProofContext = 
691 
struct val theory_of = Context.theory_of_proof val init = Context.init_proof end; 