author | wenzelm |
Thu, 22 Mar 2012 15:41:49 +0100 | |
changeset 47081 | 5e70b457b704 |
parent 47066 | 8a6124d09ff5 |
child 47245 | ff1770df59b8 |
permissions | -rw-r--r-- |
18744 | 1 |
(* Title: Pure/Isar/local_theory.ML |
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Author: Makarius |
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Local theory operations, with abstract target context. |
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*) |
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type local_theory = Proof.context; |
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type generic_theory = Context.generic; |
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signature LOCAL_THEORY = |
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sig |
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type operations |
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val map_contexts: (Proof.context -> Proof.context) -> local_theory -> local_theory |
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val assert: local_theory -> local_theory |
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val level: Proof.context -> int |
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val assert_bottom: bool -> local_theory -> local_theory |
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val open_target: Name_Space.naming -> operations -> local_theory -> local_theory |
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val close_target: local_theory -> local_theory |
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val naming_of: local_theory -> Name_Space.naming |
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val full_name: local_theory -> binding -> string |
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val map_naming: (Name_Space.naming -> Name_Space.naming) -> local_theory -> local_theory |
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val conceal: local_theory -> local_theory |
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val new_group: local_theory -> local_theory |
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val reset_group: local_theory -> local_theory |
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val restore_naming: local_theory -> local_theory -> local_theory |
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val target_of: local_theory -> Proof.context |
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val raw_theory_result: (theory -> 'a * theory) -> local_theory -> 'a * local_theory |
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val raw_theory: (theory -> theory) -> local_theory -> local_theory |
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val background_theory_result: (theory -> 'a * theory) -> local_theory -> 'a * local_theory |
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val background_theory: (theory -> theory) -> local_theory -> local_theory |
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val target_result: (Proof.context -> 'a * Proof.context) -> local_theory -> 'a * local_theory |
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val target: (Proof.context -> Proof.context) -> local_theory -> local_theory |
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val propagate_ml_env: generic_theory -> generic_theory |
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val standard_morphism: local_theory -> Proof.context -> morphism |
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val target_morphism: local_theory -> morphism |
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val standard_form: local_theory -> Proof.context -> (morphism -> 'a) -> 'a |
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val operations_of: local_theory -> operations |
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val define: (binding * mixfix) * (Attrib.binding * term) -> local_theory -> |
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(term * (string * thm)) * local_theory |
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val define_internal: (binding * mixfix) * (Attrib.binding * term) -> local_theory -> |
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(term * (string * thm)) * local_theory |
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val note: Attrib.binding * thm list -> local_theory -> (string * thm list) * local_theory |
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val notes: (Attrib.binding * (thm list * Attrib.src list) list) list -> |
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local_theory -> (string * thm list) list * local_theory |
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val notes_kind: string -> (Attrib.binding * (thm list * Attrib.src list) list) list -> |
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local_theory -> (string * thm list) list * local_theory |
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val abbrev: Syntax.mode -> (binding * mixfix) * term -> local_theory -> |
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(term * term) * local_theory |
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val declaration: {syntax: bool, pervasive: bool} -> declaration -> local_theory -> local_theory |
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val pretty: local_theory -> Pretty.T list |
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val set_defsort: sort -> local_theory -> local_theory |
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val type_notation: bool -> Syntax.mode -> (typ * mixfix) list -> local_theory -> local_theory |
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val notation: bool -> Syntax.mode -> (term * mixfix) list -> local_theory -> local_theory |
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val class_alias: binding -> class -> local_theory -> local_theory |
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val type_alias: binding -> string -> local_theory -> local_theory |
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val const_alias: binding -> string -> local_theory -> local_theory |
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val init: Name_Space.naming -> operations -> Proof.context -> local_theory |
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val restore: local_theory -> local_theory |
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val exit: local_theory -> Proof.context |
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val exit_global: local_theory -> theory |
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val exit_result: (morphism -> 'a -> 'b) -> 'a * local_theory -> 'b * Proof.context |
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val exit_result_global: (morphism -> 'a -> 'b) -> 'a * local_theory -> 'b * theory |
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end; |
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structure Local_Theory: LOCAL_THEORY = |
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struct |
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(** local theory data **) |
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(* type lthy *) |
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type operations = |
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{define: bool -> (binding * mixfix) * (Attrib.binding * term) -> local_theory -> |
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(term * (string * thm)) * local_theory, |
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notes: string -> |
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type Attrib.binding abbreviates Name.binding without attributes;
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(Attrib.binding * (thm list * Attrib.src list) list) list -> |
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local_theory -> (string * thm list) list * local_theory, |
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abbrev: Syntax.mode -> (binding * mixfix) * term -> local_theory -> |
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parents:
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(term * term) * local_theory, |
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declaration: {syntax: bool, pervasive: bool} -> declaration -> local_theory -> local_theory, |
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pretty: local_theory -> Pretty.T list, |
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exit: local_theory -> Proof.context}; |
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type lthy = |
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{naming: Name_Space.naming, |
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operations: operations, |
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target: Proof.context}; |
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fun make_lthy (naming, operations, target) : lthy = |
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{naming = naming, operations = operations, target = target}; |
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(* context data *) |
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structure Data = Proof_Data |
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( |
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type T = lthy list; |
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fun init _ = []; |
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); |
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fun map_contexts f = |
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(Data.map o map) (fn {naming, operations, target} => |
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make_lthy (naming, operations, |
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target |
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|> Context_Position.set_visible false |
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|> f |
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|> Context_Position.restore_visible target)) |
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#> f; |
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fun assert lthy = |
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if null (Data.get lthy) then error "Missing local theory context" else lthy; |
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val get_lthy = hd o Data.get o assert; |
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fun map_lthy f = assert #> |
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Data.map (fn {naming, operations, target} :: parents => |
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make_lthy (f (naming, operations, target)) :: parents); |
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(* nested structure *) |
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val level = length o Data.get; |
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fun assert_bottom b lthy = |
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let |
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val _ = assert lthy; |
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val b' = level lthy <= 1; |
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in |
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if b andalso not b' then error "Not at bottom of local theory nesting" |
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else if not b andalso b' then error "Already at bottom of local theory nesting" |
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else lthy |
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end; |
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fun open_target naming operations target = assert target |
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|> Data.map (cons (make_lthy (naming, operations, target))); |
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fun close_target lthy = |
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assert_bottom false lthy |> Data.map tl; |
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(* naming *) |
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val naming_of = #naming o get_lthy; |
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val full_name = Name_Space.full_name o naming_of; |
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clarified Local_Theory.init: avoid hardwired naming policy, discontinued odd/unused group argument (cf. 5ee13e0428d2);
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parents:
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fun map_naming f = map_lthy (fn (naming, operations, target) => (f naming, operations, target)); |
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val conceal = map_naming Name_Space.conceal; |
33724 | 149 |
val new_group = map_naming Name_Space.new_group; |
150 |
val reset_group = map_naming Name_Space.reset_group; |
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151 |
|
33276 | 152 |
val restore_naming = map_naming o K o naming_of; |
153 |
||
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154 |
|
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155 |
(* target *) |
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|
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val target_of = #target o get_lthy; |
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|
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fun map_target f = map_lthy (fn (naming, operations, target) => (naming, operations, f target)); |
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|
161 |
||
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(* substructure mappings *) |
19661 | 163 |
|
20960 | 164 |
fun raw_theory_result f lthy = |
165 |
let |
|
42360 | 166 |
val (res, thy') = f (Proof_Context.theory_of lthy); |
47064 | 167 |
val lthy' = map_contexts (Proof_Context.transfer thy') lthy; |
20960 | 168 |
in (res, lthy') end; |
169 |
||
170 |
fun raw_theory f = #2 o raw_theory_result (f #> pair ()); |
|
171 |
||
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val checkpoint = raw_theory Theory.checkpoint; |
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173 |
|
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fun background_theory_result f lthy = |
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lthy |> raw_theory_result (fn thy => |
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176 |
thy |
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177 |
|> Sign.map_naming (K (naming_of lthy)) |
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178 |
|> f |
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||> Sign.restore_naming thy |
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||> Theory.checkpoint); |
19661 | 181 |
|
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182 |
fun background_theory f = #2 o background_theory_result (f #> pair ()); |
19661 | 183 |
|
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184 |
fun target_result f lthy = |
18744 | 185 |
let |
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val target = target_of lthy; |
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val (res, ctxt') = target |
33383 | 188 |
|> Context_Position.set_visible false |
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189 |
|> f |
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||> Context_Position.restore_visible target; |
42360 | 191 |
val thy' = Proof_Context.theory_of ctxt'; |
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192 |
val lthy' = lthy |
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193 |
|> map_target (K ctxt') |
47064 | 194 |
|> map_contexts (Proof_Context.transfer thy'); |
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195 |
in (res, lthy') end; |
18876 | 196 |
|
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197 |
fun target f = #2 o target_result (f #> pair ()); |
18767 | 198 |
|
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199 |
fun propagate_ml_env (context as Context.Proof lthy) = |
47064 | 200 |
let val inherit = ML_Env.inherit context in |
201 |
lthy |
|
202 |
|> background_theory (Context.theory_map inherit) |
|
203 |
|> map_contexts (Context.proof_map inherit) |
|
204 |
|> Context.Proof |
|
205 |
end |
|
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| propagate_ml_env context = context; |
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|
207 |
|
18767 | 208 |
|
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|
209 |
(* morphisms *) |
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210 |
|
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|
211 |
fun standard_morphism lthy ctxt = |
42360 | 212 |
Proof_Context.norm_export_morphism lthy ctxt $> |
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213 |
Morphism.binding_morphism (Name_Space.transform_binding (naming_of lthy)); |
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|
214 |
|
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215 |
fun target_morphism lthy = standard_morphism lthy (target_of lthy); |
47064 | 216 |
|
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217 |
fun standard_form lthy ctxt x = |
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218 |
Morphism.form (Morphism.transform (standard_morphism lthy ctxt) x); |
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|
219 |
|
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|
220 |
|
47064 | 221 |
|
222 |
(** operations **) |
|
223 |
||
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224 |
val operations_of = #operations o get_lthy; |
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225 |
|
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|
226 |
|
47064 | 227 |
(* primitives *) |
18781 | 228 |
|
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229 |
fun operation f lthy = f (operations_of lthy) lthy; |
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|
230 |
fun operation2 f x y = operation (fn ops => f ops x y); |
18781 | 231 |
|
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232 |
val pretty = operation #pretty; |
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233 |
val abbrev = apsnd checkpoint ooo operation2 #abbrev; |
46992
eeea81b86b70
refined Local_Theory.define vs. Local_Theory.define_internal, which allows to pass alternative name to the foundational axiom -- expecially important for 'instantiation' or 'overloading', which loose name information due to Long_Name.base_name cooking etc.;
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|
234 |
val define = apsnd checkpoint oo operation2 #define false; |
eeea81b86b70
refined Local_Theory.define vs. Local_Theory.define_internal, which allows to pass alternative name to the foundational axiom -- expecially important for 'instantiation' or 'overloading', which loose name information due to Long_Name.base_name cooking etc.;
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|
235 |
val define_internal = apsnd checkpoint oo operation2 #define true; |
33670
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|
236 |
val notes_kind = apsnd checkpoint ooo operation2 #notes; |
33456
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|
237 |
val declaration = checkpoint ooo operation2 #declaration; |
18781 | 238 |
|
36451 | 239 |
|
47064 | 240 |
(* basic derived operations *) |
36451 | 241 |
|
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|
242 |
val notes = notes_kind ""; |
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|
243 |
fun note (a, ths) = notes [(a, [(ths, [])])] #>> the_single; |
18781 | 244 |
|
36451 | 245 |
fun set_defsort S = |
45291
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|
246 |
declaration {syntax = true, pervasive = false} |
57cd50f98fdc
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|
247 |
(K (Context.mapping (Sign.set_defsort S) (Proof_Context.set_defsort S))); |
36451 | 248 |
|
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|
249 |
|
98fd035c3fe3
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|
250 |
(* notation *) |
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|
251 |
|
35412
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|
252 |
fun type_notation add mode raw_args lthy = |
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|
253 |
let val args = map (apfst (Morphism.typ (target_morphism lthy))) raw_args in |
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|
254 |
declaration {syntax = true, pervasive = false} |
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|
255 |
(Proof_Context.target_type_notation add mode args) lthy |
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|
256 |
end; |
35412
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more uniform treatment of syntax for types vs. consts;
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|
257 |
|
24949 | 258 |
fun notation add mode raw_args lthy = |
45291
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|
259 |
let val args = map (apfst (Morphism.term (target_morphism lthy))) raw_args in |
57cd50f98fdc
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260 |
declaration {syntax = true, pervasive = false} |
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|
261 |
(Proof_Context.target_notation add mode args) lthy |
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|
262 |
end; |
21743 | 263 |
|
21664
dd4e89123359
notation/abbreviation: more serious handling of morphisms;
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changeset
|
264 |
|
35738
98fd035c3fe3
added Local_Theory.alias operations (independent of target);
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changeset
|
265 |
(* name space aliases *) |
98fd035c3fe3
added Local_Theory.alias operations (independent of target);
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|
266 |
|
35798
fd1bb29f8170
replaced type_syntax/term_syntax by uniform syntax_declaration;
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|
267 |
fun alias global_alias local_alias b name = |
45291
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|
268 |
declaration {syntax = true, pervasive = false} (fn phi => |
35738
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|
269 |
let val b' = Morphism.binding phi b |
45298
aa35859c8741
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|
270 |
in Context.mapping (global_alias b' name) (local_alias b' name) end); |
35738
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|
271 |
|
42360 | 272 |
val class_alias = alias Sign.class_alias Proof_Context.class_alias; |
273 |
val type_alias = alias Sign.type_alias Proof_Context.type_alias; |
|
274 |
val const_alias = alias Sign.const_alias Proof_Context.const_alias; |
|
35738
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|
275 |
|
98fd035c3fe3
added Local_Theory.alias operations (independent of target);
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|
276 |
|
36451 | 277 |
|
278 |
(** init and exit **) |
|
279 |
||
28395
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|
280 |
(* init *) |
20910 | 281 |
|
47061
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|
282 |
fun init naming operations target = |
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|
283 |
target |> Data.map |
47064 | 284 |
(fn [] => [make_lthy (naming, operations, target)] |
285 |
| _ => error "Local theory already initialized") |
|
47061
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clarified Local_Theory.init: avoid hardwired naming policy, discontinued odd/unused group argument (cf. 5ee13e0428d2);
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|
286 |
|> checkpoint; |
20910 | 287 |
|
21273 | 288 |
fun restore lthy = |
47061
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clarified Local_Theory.init: avoid hardwired naming policy, discontinued odd/unused group argument (cf. 5ee13e0428d2);
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changeset
|
289 |
let val {naming, operations, target} = get_lthy lthy |
355317493f34
clarified Local_Theory.init: avoid hardwired naming policy, discontinued odd/unused group argument (cf. 5ee13e0428d2);
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|
290 |
in init naming operations target end; |
20910 | 291 |
|
28395
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added exit_global, exit_result, exit_result_global;
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|
292 |
|
984fcc8feb24
added exit_global, exit_result, exit_result_global;
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|
293 |
(* exit *) |
984fcc8feb24
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|
294 |
|
42360 | 295 |
val exit = Proof_Context.background_theory Theory.checkpoint o operation #exit; |
296 |
val exit_global = Proof_Context.theory_of o exit; |
|
28395
984fcc8feb24
added exit_global, exit_result, exit_result_global;
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|
297 |
|
984fcc8feb24
added exit_global, exit_result, exit_result_global;
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|
298 |
fun exit_result f (x, lthy) = |
984fcc8feb24
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|
299 |
let |
984fcc8feb24
added exit_global, exit_result, exit_result_global;
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changeset
|
300 |
val ctxt = exit lthy; |
33281
223ef9bc399a
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parents:
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changeset
|
301 |
val phi = standard_morphism lthy ctxt; |
28395
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added exit_global, exit_result, exit_result_global;
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|
302 |
in (f phi x, ctxt) end; |
984fcc8feb24
added exit_global, exit_result, exit_result_global;
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changeset
|
303 |
|
984fcc8feb24
added exit_global, exit_result, exit_result_global;
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changeset
|
304 |
fun exit_result_global f (x, lthy) = |
984fcc8feb24
added exit_global, exit_result, exit_result_global;
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changeset
|
305 |
let |
984fcc8feb24
added exit_global, exit_result, exit_result_global;
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changeset
|
306 |
val thy = exit_global lthy; |
42360 | 307 |
val thy_ctxt = Proof_Context.init_global thy; |
33281
223ef9bc399a
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parents:
33276
diff
changeset
|
308 |
val phi = standard_morphism lthy thy_ctxt; |
28395
984fcc8feb24
added exit_global, exit_result, exit_result_global;
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parents:
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diff
changeset
|
309 |
in (f phi x, thy) end; |
20910 | 310 |
|
18781 | 311 |
end; |