author | wenzelm |
Thu, 30 Aug 2018 13:38:52 +0200 | |
changeset 68851 | 6c9825c1e26b |
parent 67652 | 11716a084cae |
child 68865 | dd44e31ca2c6 |
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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structure Attrib = |
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struct |
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type binding = binding * Token.src list; |
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type thms = (thm list * Token.src list) list; |
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type fact = binding * thms; |
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end; |
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structure Locale = |
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struct |
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type registration = {dep: string * morphism, mixin: (morphism * bool) option, export: morphism}; |
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end; |
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signature LOCAL_THEORY = |
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sig |
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type operations |
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val assert: local_theory -> local_theory |
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val reset: local_theory -> local_theory |
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val level: Proof.context -> int |
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val assert_bottom: local_theory -> local_theory |
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val mark_brittle: local_theory -> local_theory |
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val assert_nonbrittle: local_theory -> local_theory |
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val map_contexts: (int -> Proof.context -> Proof.context) -> local_theory -> local_theory |
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val background_naming_of: local_theory -> Name_Space.naming |
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val map_background_naming: (Name_Space.naming -> Name_Space.naming) -> |
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local_theory -> local_theory |
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val restore_background_naming: local_theory -> local_theory -> local_theory |
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val full_name: local_theory -> binding -> string |
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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 standard_morphism: local_theory -> Proof.context -> morphism |
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val standard_morphism_theory: local_theory -> morphism |
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val standard_form: local_theory -> Proof.context -> (morphism -> 'a) -> 'a |
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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_of: local_theory -> Proof.context |
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val target: (Proof.context -> Proof.context) -> local_theory -> local_theory |
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val target_morphism: local_theory -> morphism |
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val propagate_ml_env: generic_theory -> generic_theory |
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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.fact list -> local_theory -> (string * thm list) list * local_theory |
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val notes_kind: string -> Attrib.fact list -> local_theory -> |
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(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 theory_registration: Locale.registration -> local_theory -> local_theory |
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val locale_dependency: Locale.registration -> local_theory -> local_theory |
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val pretty: local_theory -> Pretty.T list |
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val add_thms_dynamic: binding * (Context.generic -> thm list) -> local_theory -> local_theory |
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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 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: {background_naming: Name_Space.naming, exit: local_theory -> Proof.context} -> |
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operations -> Proof.context -> 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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val init_target: {background_naming: Name_Space.naming, after_close: local_theory -> local_theory} -> |
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operations -> local_theory -> Binding.scope * local_theory |
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val open_target: local_theory -> Binding.scope * local_theory |
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val close_target: local_theory -> local_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 -> Attrib.fact list -> local_theory -> (string * thm list) list * local_theory, |
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abbrev: Syntax.mode -> (binding * mixfix) * term -> local_theory -> |
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(term * term) * local_theory, |
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uniform Local_Theory.declaration with explicit params;
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declaration: {syntax: bool, pervasive: bool} -> declaration -> local_theory -> local_theory, |
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theory_registration: Locale.registration -> local_theory -> local_theory, |
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locale_dependency: Locale.registration -> local_theory -> local_theory, |
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pretty: local_theory -> Pretty.T list}; |
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type lthy = |
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{background_naming: Name_Space.naming, |
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operations: operations, |
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after_close: local_theory -> local_theory, |
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exit: local_theory -> Proof.context, |
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brittle: bool, |
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target: Proof.context}; |
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108 |
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fun make_lthy (background_naming, operations, after_close, exit, brittle, target) : lthy = |
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{background_naming = background_naming, operations = operations, |
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after_close = after_close, exit = exit, brittle = brittle, 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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(* nested structure *) |
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val level = length o Data.get; (*1: main target at bottom, >= 2: nested context*) |
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fun assert lthy = |
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if level lthy = 0 then error "Missing local theory context" else lthy; |
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fun assert_bottom lthy = |
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let |
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val _ = assert lthy; |
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in |
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if level lthy > 1 then error "Not at bottom of local theory nesting" |
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else lthy |
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end; |
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fun assert_not_bottom lthy = |
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let |
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val _ = assert lthy; |
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in |
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if level lthy = 1 then error "Already at bottom of local theory nesting" |
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else lthy |
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end; |
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val bottom_of = List.last o Data.get o assert; |
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val top_of = hd o Data.get o assert; |
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fun map_top f = |
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assert #> |
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Data.map (fn {background_naming, operations, after_close, exit, brittle, target} :: parents => |
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make_lthy (f (background_naming, operations, after_close, exit, brittle, target)) :: parents); |
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fun reset lthy = #target (top_of lthy) |> Data.put (Data.get lthy); |
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155 |
fun map_contexts f lthy = |
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156 |
let val n = level lthy in |
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157 |
lthy |> (Data.map o map_index) |
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158 |
(fn (i, {background_naming, operations, after_close, exit, brittle, target}) => |
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159 |
make_lthy (background_naming, operations, after_close, exit, brittle, |
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160 |
target |
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161 |
|> Context_Position.set_visible false |
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162 |
|> f (n - i - 1) |
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163 |
|> Context_Position.restore_visible target)) |
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164 |
|> f n |
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165 |
end; |
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166 |
|
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167 |
|
51735 | 168 |
(* brittle context -- implicit for nested structures *) |
169 |
||
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170 |
fun mark_brittle lthy = |
57924 | 171 |
if level lthy = 1 then |
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172 |
map_top (fn (background_naming, operations, after_close, exit, _, target) => |
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(background_naming, operations, after_close, exit, true, target)) lthy |
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174 |
else lthy; |
51735 | 175 |
|
176 |
fun assert_nonbrittle lthy = |
|
57924 | 177 |
if #brittle (top_of lthy) then error "Brittle local theory context" |
51735 | 178 |
else lthy; |
179 |
||
180 |
||
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181 |
(* naming for background theory *) |
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182 |
|
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183 |
val background_naming_of = #background_naming o top_of; |
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184 |
|
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185 |
fun map_background_naming f = |
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186 |
map_top (fn (background_naming, operations, after_close, exit, brittle, target) => |
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187 |
(f background_naming, operations, after_close, exit, brittle, target)); |
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188 |
|
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189 |
val restore_background_naming = map_background_naming o K o background_naming_of; |
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190 |
|
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191 |
val full_name = Name_Space.full_name o background_naming_of; |
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192 |
|
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193 |
val new_group = map_background_naming Name_Space.new_group; |
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194 |
val reset_group = map_background_naming Name_Space.reset_group; |
33276 | 195 |
|
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196 |
|
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197 |
(* standard morphisms *) |
18767 | 198 |
|
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199 |
fun standard_morphism lthy ctxt = |
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200 |
Proof_Context.norm_export_morphism lthy ctxt $> |
54740 | 201 |
Morphism.binding_morphism "Local_Theory.standard_binding" |
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202 |
(Name_Space.transform_binding (Proof_Context.naming_of lthy)); |
18767 | 203 |
|
63270 | 204 |
fun standard_morphism_theory lthy = |
205 |
standard_morphism lthy (Proof_Context.init_global (Proof_Context.theory_of lthy)); |
|
206 |
||
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207 |
fun standard_form lthy ctxt x = |
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208 |
Morphism.form (Morphism.transform (standard_morphism lthy ctxt) x); |
18767 | 209 |
|
210 |
||
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211 |
(* background theory *) |
19661 | 212 |
|
20960 | 213 |
fun raw_theory_result f lthy = |
214 |
let |
|
42360 | 215 |
val (res, thy') = f (Proof_Context.theory_of lthy); |
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216 |
val lthy' = map_contexts (K (Proof_Context.transfer thy')) lthy; |
20960 | 217 |
in (res, lthy') end; |
218 |
||
219 |
fun raw_theory f = #2 o raw_theory_result (f #> pair ()); |
|
220 |
||
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|
221 |
fun background_theory_result f lthy = |
59887 | 222 |
let |
223 |
val naming = |
|
224 |
background_naming_of lthy |
|
225 |
|> Name_Space.transform_naming (Proof_Context.naming_of lthy); |
|
226 |
in |
|
227 |
lthy |> raw_theory_result (fn thy => |
|
228 |
thy |
|
229 |
|> Sign.map_naming (K naming) |
|
230 |
|> f |
|
231 |
||> Sign.restore_naming thy) |
|
232 |
end; |
|
19661 | 233 |
|
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|
234 |
fun background_theory f = #2 o background_theory_result (f #> pair ()); |
19661 | 235 |
|
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236 |
|
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237 |
(* target contexts *) |
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238 |
|
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|
239 |
val target_of = #target o bottom_of; |
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240 |
|
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|
241 |
fun target f lthy = |
18744 | 242 |
let |
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243 |
val ctxt = target_of lthy; |
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244 |
val ctxt' = ctxt |
33383 | 245 |
|> Context_Position.set_visible false |
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|
246 |
|> f |
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247 |
|> Context_Position.restore_visible ctxt; |
42360 | 248 |
val thy' = Proof_Context.theory_of ctxt'; |
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249 |
in map_contexts (fn 0 => K ctxt' | _ => Proof_Context.transfer thy') lthy end; |
18876 | 250 |
|
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|
251 |
fun target_morphism lthy = standard_morphism lthy (target_of lthy); |
18767 | 252 |
|
37949
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|
253 |
fun propagate_ml_env (context as Context.Proof lthy) = |
47064 | 254 |
let val inherit = ML_Env.inherit context in |
255 |
lthy |
|
256 |
|> background_theory (Context.theory_map inherit) |
|
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257 |
|> map_contexts (K (Context.proof_map inherit)) |
47064 | 258 |
|> Context.Proof |
259 |
end |
|
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260 |
| propagate_ml_env context = context; |
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|
261 |
|
18767 | 262 |
|
47064 | 263 |
|
264 |
(** operations **) |
|
265 |
||
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|
266 |
val operations_of = #operations o top_of; |
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267 |
|
57938 | 268 |
fun operation f lthy = f (operations_of lthy) lthy; |
269 |
fun operation2 f x y = operation (fn ops => f ops x y); |
|
270 |
||
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|
271 |
|
47064 | 272 |
(* primitives *) |
18781 | 273 |
|
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|
274 |
val pretty = operation #pretty; |
52788 | 275 |
val abbrev = operation2 #abbrev; |
276 |
val define = operation2 #define false; |
|
277 |
val define_internal = operation2 #define true; |
|
278 |
val notes_kind = operation2 #notes; |
|
279 |
val declaration = operation2 #declaration; |
|
68851
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|
280 |
fun theory_registration registration = |
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|
281 |
assert_bottom #> operation (fn ops => #theory_registration ops registration); |
6c9825c1e26b
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|
282 |
fun locale_dependency registration = |
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|
283 |
assert_bottom #> operation (fn ops => #locale_dependency ops registration); |
18781 | 284 |
|
36451 | 285 |
|
57938 | 286 |
(* theorems *) |
36451 | 287 |
|
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eliminated slightly odd kind argument of LocalTheory.note(s);
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|
288 |
val notes = notes_kind ""; |
02b7738aef6a
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289 |
fun note (a, ths) = notes [(a, [(ths, [])])] #>> the_single; |
18781 | 290 |
|
57929
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|
291 |
fun add_thms_dynamic (binding, f) lthy = |
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292 |
lthy |
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|
293 |
|> background_theory_result (fn thy => thy |
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|
294 |
|> Global_Theory.add_thms_dynamic' (Sign.inherit_naming thy lthy) (binding, f)) |
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|
295 |
|-> (fn name => |
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|
296 |
map_contexts (fn _ => fn ctxt => |
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|
297 |
Proof_Context.transfer_facts (Proof_Context.theory_of ctxt) ctxt) #> |
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|
298 |
declaration {syntax = false, pervasive = false} (fn phi => |
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|
299 |
let val binding' = Morphism.binding phi binding in |
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|
300 |
Context.mapping |
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|
301 |
(Global_Theory.alias_fact binding' name) |
66246 | 302 |
(Proof_Context.alias_fact binding' name) |
57929
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|
303 |
end)); |
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changeset
|
304 |
|
57938 | 305 |
|
306 |
(* default sort *) |
|
307 |
||
36451 | 308 |
fun set_defsort S = |
45291
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changeset
|
309 |
declaration {syntax = true, pervasive = false} |
57cd50f98fdc
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|
310 |
(K (Context.mapping (Sign.set_defsort S) (Proof_Context.set_defsort S))); |
36451 | 311 |
|
35738
98fd035c3fe3
added Local_Theory.alias operations (independent of target);
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changeset
|
312 |
|
98fd035c3fe3
added Local_Theory.alias operations (independent of target);
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|
313 |
(* notation *) |
98fd035c3fe3
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changeset
|
314 |
|
35412
b8dead547d9e
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changeset
|
315 |
fun type_notation add mode raw_args lthy = |
50741
20e6e1a92e54
less aggressive Assumption.export_term (similar to Generic_Target.abbrev): merely expand local defs and thus allow notation for local fixes;
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parents:
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changeset
|
316 |
let |
20e6e1a92e54
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diff
changeset
|
317 |
val args = map (apfst (Logic.type_map (Assumption.export_term lthy (target_of lthy)))) raw_args; |
62844 | 318 |
val args' = map (apsnd Mixfix.reset_pos) args; |
319 |
val _ = lthy |> Context_Position.is_visible lthy ? Proof_Context.type_notation add mode args; |
|
50741
20e6e1a92e54
less aggressive Assumption.export_term (similar to Generic_Target.abbrev): merely expand local defs and thus allow notation for local fixes;
wenzelm
parents:
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diff
changeset
|
320 |
in |
45291
57cd50f98fdc
uniform Local_Theory.declaration with explicit params;
wenzelm
parents:
42360
diff
changeset
|
321 |
declaration {syntax = true, pervasive = false} |
62844 | 322 |
(Proof_Context.generic_type_notation add mode args') lthy |
45291
57cd50f98fdc
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parents:
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diff
changeset
|
323 |
end; |
35412
b8dead547d9e
more uniform treatment of syntax for types vs. consts;
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parents:
33764
diff
changeset
|
324 |
|
24949 | 325 |
fun notation add mode raw_args lthy = |
50741
20e6e1a92e54
less aggressive Assumption.export_term (similar to Generic_Target.abbrev): merely expand local defs and thus allow notation for local fixes;
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changeset
|
326 |
let |
20e6e1a92e54
less aggressive Assumption.export_term (similar to Generic_Target.abbrev): merely expand local defs and thus allow notation for local fixes;
wenzelm
parents:
50739
diff
changeset
|
327 |
val args = map (apfst (Assumption.export_term lthy (target_of lthy))) raw_args |
62844 | 328 |
val args' = map (apsnd Mixfix.reset_pos) args; |
329 |
val _ = lthy |> Context_Position.is_visible lthy ? Proof_Context.notation add mode args; |
|
50741
20e6e1a92e54
less aggressive Assumption.export_term (similar to Generic_Target.abbrev): merely expand local defs and thus allow notation for local fixes;
wenzelm
parents:
50739
diff
changeset
|
330 |
in |
45291
57cd50f98fdc
uniform Local_Theory.declaration with explicit params;
wenzelm
parents:
42360
diff
changeset
|
331 |
declaration {syntax = true, pervasive = false} |
62844 | 332 |
(Proof_Context.generic_notation add mode args') lthy |
45291
57cd50f98fdc
uniform Local_Theory.declaration with explicit params;
wenzelm
parents:
42360
diff
changeset
|
333 |
end; |
21743 | 334 |
|
21664
dd4e89123359
notation/abbreviation: more serious handling of morphisms;
wenzelm
parents:
21614
diff
changeset
|
335 |
|
35738
98fd035c3fe3
added Local_Theory.alias operations (independent of target);
wenzelm
parents:
35412
diff
changeset
|
336 |
(* name space aliases *) |
98fd035c3fe3
added Local_Theory.alias operations (independent of target);
wenzelm
parents:
35412
diff
changeset
|
337 |
|
57938 | 338 |
fun syntax_alias global_alias local_alias b name = |
45291
57cd50f98fdc
uniform Local_Theory.declaration with explicit params;
wenzelm
parents:
42360
diff
changeset
|
339 |
declaration {syntax = true, pervasive = false} (fn phi => |
35738
98fd035c3fe3
added Local_Theory.alias operations (independent of target);
wenzelm
parents:
35412
diff
changeset
|
340 |
let val b' = Morphism.binding phi b |
45298
aa35859c8741
uniform treatment of syntax declaration wrt. aux. context (NB: notation avoids duplicate mixfix internally);
wenzelm
parents:
45291
diff
changeset
|
341 |
in Context.mapping (global_alias b' name) (local_alias b' name) end); |
35738
98fd035c3fe3
added Local_Theory.alias operations (independent of target);
wenzelm
parents:
35412
diff
changeset
|
342 |
|
57938 | 343 |
val type_alias = syntax_alias Sign.type_alias Proof_Context.type_alias; |
344 |
val const_alias = syntax_alias Sign.const_alias Proof_Context.const_alias; |
|
35738
98fd035c3fe3
added Local_Theory.alias operations (independent of target);
wenzelm
parents:
35412
diff
changeset
|
345 |
|
98fd035c3fe3
added Local_Theory.alias operations (independent of target);
wenzelm
parents:
35412
diff
changeset
|
346 |
|
56055
8fe7414f00b1
slightly more rubust (and opportunistic) exit for old-fashioned theory_to_proof, which is used by global 'sublocale' with Named_Target.init but without proper exit;
wenzelm
parents:
54740
diff
changeset
|
347 |
|
59890 | 348 |
(** manage targets **) |
36451 | 349 |
|
59890 | 350 |
(* outermost target *) |
20910 | 351 |
|
66335
a849ce33923d
treat exit separate from regular local theory operations
haftmann
parents:
66259
diff
changeset
|
352 |
fun init {background_naming, exit} operations target = |
52118
2a976115c7c3
mark local theory as brittle also after interpretation inside locales;
haftmann
parents:
51735
diff
changeset
|
353 |
target |> Data.map |
66335
a849ce33923d
treat exit separate from regular local theory operations
haftmann
parents:
66259
diff
changeset
|
354 |
(fn [] => [make_lthy (background_naming, operations, I, exit, false, target)] |
52788 | 355 |
| _ => error "Local theory already initialized"); |
20910 | 356 |
|
66336
13e7dc5f7c3d
exit always refers to the bottom of a nested local theory stack, after_close always to all non-bottom elements
haftmann
parents:
66335
diff
changeset
|
357 |
val exit_of = #exit o bottom_of; |
66335
a849ce33923d
treat exit separate from regular local theory operations
haftmann
parents:
66259
diff
changeset
|
358 |
|
a849ce33923d
treat exit separate from regular local theory operations
haftmann
parents:
66259
diff
changeset
|
359 |
fun exit lthy = exit_of lthy lthy; |
42360 | 360 |
val exit_global = Proof_Context.theory_of o exit; |
28395
984fcc8feb24
added exit_global, exit_result, exit_result_global;
wenzelm
parents:
28379
diff
changeset
|
361 |
|
984fcc8feb24
added exit_global, exit_result, exit_result_global;
wenzelm
parents:
28379
diff
changeset
|
362 |
fun exit_result f (x, lthy) = |
984fcc8feb24
added exit_global, exit_result, exit_result_global;
wenzelm
parents:
28379
diff
changeset
|
363 |
let |
984fcc8feb24
added exit_global, exit_result, exit_result_global;
wenzelm
parents:
28379
diff
changeset
|
364 |
val ctxt = exit lthy; |
33281
223ef9bc399a
let naming transform binding beforehand -- covering only the "conceal" flag for now;
wenzelm
parents:
33276
diff
changeset
|
365 |
val phi = standard_morphism lthy ctxt; |
28395
984fcc8feb24
added exit_global, exit_result, exit_result_global;
wenzelm
parents:
28379
diff
changeset
|
366 |
in (f phi x, ctxt) end; |
984fcc8feb24
added exit_global, exit_result, exit_result_global;
wenzelm
parents:
28379
diff
changeset
|
367 |
|
984fcc8feb24
added exit_global, exit_result, exit_result_global;
wenzelm
parents:
28379
diff
changeset
|
368 |
fun exit_result_global f (x, lthy) = |
984fcc8feb24
added exit_global, exit_result, exit_result_global;
wenzelm
parents:
28379
diff
changeset
|
369 |
let |
984fcc8feb24
added exit_global, exit_result, exit_result_global;
wenzelm
parents:
28379
diff
changeset
|
370 |
val thy = exit_global lthy; |
42360 | 371 |
val thy_ctxt = Proof_Context.init_global thy; |
33281
223ef9bc399a
let naming transform binding beforehand -- covering only the "conceal" flag for now;
wenzelm
parents:
33276
diff
changeset
|
372 |
val phi = standard_morphism lthy thy_ctxt; |
28395
984fcc8feb24
added exit_global, exit_result, exit_result_global;
wenzelm
parents:
28379
diff
changeset
|
373 |
in (f phi x, thy) end; |
20910 | 374 |
|
59890 | 375 |
|
376 |
(* nested targets *) |
|
377 |
||
66336
13e7dc5f7c3d
exit always refers to the bottom of a nested local theory stack, after_close always to all non-bottom elements
haftmann
parents:
66335
diff
changeset
|
378 |
fun init_target {background_naming, after_close} operations lthy = |
59890 | 379 |
let |
380 |
val _ = assert lthy; |
|
61111
2618e7e3b5ea
proper restore naming after close, which is important for packages that used nested targets internally, e.g. BNF datatype;
wenzelm
parents:
59890
diff
changeset
|
381 |
val after_close' = Proof_Context.restore_naming lthy #> after_close; |
59890 | 382 |
val (scope, target) = Proof_Context.new_scope lthy; |
383 |
val lthy' = |
|
384 |
target |
|
66336
13e7dc5f7c3d
exit always refers to the bottom of a nested local theory stack, after_close always to all non-bottom elements
haftmann
parents:
66335
diff
changeset
|
385 |
|> Data.map (cons (make_lthy (background_naming, operations, after_close', exit_of lthy, true, target))); |
59890 | 386 |
in (scope, lthy') end; |
387 |
||
388 |
fun open_target lthy = |
|
66336
13e7dc5f7c3d
exit always refers to the bottom of a nested local theory stack, after_close always to all non-bottom elements
haftmann
parents:
66335
diff
changeset
|
389 |
init_target {background_naming = background_naming_of lthy, after_close = I} |
13e7dc5f7c3d
exit always refers to the bottom of a nested local theory stack, after_close always to all non-bottom elements
haftmann
parents:
66335
diff
changeset
|
390 |
(operations_of lthy) lthy; |
59890 | 391 |
|
392 |
fun close_target lthy = |
|
393 |
let |
|
66259 | 394 |
val _ = assert_not_bottom lthy; |
59890 | 395 |
val ({after_close, ...} :: rest) = Data.get lthy; |
62514 | 396 |
in lthy |> Data.put rest |> reset |> after_close end; |
59890 | 397 |
|
18781 | 398 |
end; |