diff options
Diffstat (limited to 'kernel/declarations.mli')
| -rw-r--r-- | kernel/declarations.mli | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/kernel/declarations.mli b/kernel/declarations.mli index dc5c17a7..de966daa 100644 --- a/kernel/declarations.mli +++ b/kernel/declarations.mli @@ -1,6 +1,6 @@ (************************************************************************) (* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2015 *) +(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016 *) (* \VV/ **************************************************************) (* // * This file is distributed under the terms of the *) (* * GNU Lesser General Public License Version 2.1 *) @@ -238,17 +238,26 @@ and module_body = { mod_mp : module_path; (** absolute path of the module *) mod_expr : module_implementation; (** implementation *) mod_type : module_signature; (** expanded type *) - (** algebraic type, kept if it's relevant for extraction *) - mod_type_alg : module_expression option; - (** set of all universes constraints in the module *) - mod_constraints : Univ.ContextSet.t; - (** quotiented set of equivalent constants and inductive names *) - mod_delta : Mod_subst.delta_resolver; + mod_type_alg : module_expression option; (** algebraic type *) + mod_constraints : Univ.ContextSet.t; (** + set of all universes constraints in the module *) + mod_delta : Mod_subst.delta_resolver; (** + quotiented set of equivalent constants and inductive names *) mod_retroknowledge : Retroknowledge.action list } +(** For a module, there are five possible situations: + - [Declare Module M : T] then [mod_expr = Abstract; mod_type_alg = Some T] + - [Module M := E] then [mod_expr = Algebraic E; mod_type_alg = None] + - [Module M : T := E] then [mod_expr = Algebraic E; mod_type_alg = Some T] + - [Module M. ... End M] then [mod_expr = FullStruct; mod_type_alg = None] + - [Module M : T. ... End M] then [mod_expr = Struct; mod_type_alg = Some T] + And of course, all these situations may be functors or not. *) + (** A [module_type_body] is just a [module_body] with no implementation ([mod_expr] always [Abstract]) and also - an empty [mod_retroknowledge] *) + an empty [mod_retroknowledge]. Its [mod_type_alg] contains + the algebraic definition of this module type, or [None] + if it has been built interactively. *) and module_type_body = module_body |