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|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(* $Id: decl_kinds.ml 7944 2006-01-29 16:01:32Z herbelin $ *)
open Util
(* Informal mathematical status of declarations *)
type locality_flag = (*bool (* local = true; global = false *)*)
| Local
| Global
type boxed_flag = bool
type theorem_kind =
| Theorem
| Lemma
| Fact
| Remark
| Property
| Proposition
| Corollary
type definition_object_kind =
| Definition
| Coercion
| SubClass
| CanonicalStructure
| Example
| Fixpoint
| CoFixpoint
| Scheme
| StructureComponent
| IdentityCoercion
type strength = locality_flag (* For compatibility *)
type assumption_object_kind = Definitional | Logical | Conjectural
(* [assumption_kind]
| Local | Global
------------------------------------
Definitional | Variable | Parameter
Logical | Hypothesis | Axiom
*)
type assumption_kind = locality_flag * assumption_object_kind
type definition_kind = locality_flag * boxed_flag * definition_object_kind
(* Kinds used in proofs *)
type goal_object_kind =
| DefinitionBody of definition_object_kind
| Proof of theorem_kind
type goal_kind = locality_flag * goal_object_kind
(* Kinds used in library *)
type logical_kind =
| IsAssumption of assumption_object_kind
| IsDefinition of definition_object_kind
| IsProof of theorem_kind
(* Utils *)
let logical_kind_of_goal_kind = function
| DefinitionBody d -> IsDefinition d
| Proof s -> IsProof s
let string_of_theorem_kind = function
| Theorem -> "Theorem"
| Lemma -> "Lemma"
| Fact -> "Fact"
| Remark -> "Remark"
| Property -> "Property"
| Proposition -> "Proposition"
| Corollary -> "Corollary"
let string_of_definition_kind (l,boxed,d) =
match (l,d) with
| Local, Coercion -> "Coercion Local"
| Global, Coercion -> "Coercion"
| Local, Definition -> "Let"
| Global, Definition -> if boxed then "Boxed Definition" else "Definition"
| Local, SubClass -> "Local SubClass"
| Global, SubClass -> "SubClass"
| Global, CanonicalStructure -> "Canonical Structure"
| Global, Example -> "Example"
| Local, (CanonicalStructure|Example) ->
anomaly "Unsupported local definition kind"
| _, (StructureComponent|Scheme|CoFixpoint|Fixpoint|IdentityCoercion)
-> anomaly "Internal definition kind"
|
