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author | Enrico Tassi <Enrico.Tassi@inria.fr> | 2014-02-24 20:46:32 +0100 |
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committer | Enrico Tassi <Enrico.Tassi@inria.fr> | 2014-02-26 14:53:08 +0100 |
commit | 15b6c9b6fa268a9af6dd4f05961e469545e92a6f (patch) | |
tree | 2e5aacf72993b448d1e80b0cbfbf0a09091ecb32 /kernel/opaqueproof.mli | |
parent | e6556db92d4c4fe9ba38f26b89f805095d2b2638 (diff) |
Lazyconstr -> Opaqueproof
Make this module deal only with opaque proofs.
Make discharging/substitution invariant more explicit via a third constructor.
Diffstat (limited to 'kernel/opaqueproof.mli')
-rw-r--r-- | kernel/opaqueproof.mli | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/kernel/opaqueproof.mli b/kernel/opaqueproof.mli new file mode 100644 index 000000000..957889aa9 --- /dev/null +++ b/kernel/opaqueproof.mli @@ -0,0 +1,68 @@ +(************************************************************************) +(* v * The Coq Proof Assistant / The Coq Development Team *) +(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2012 *) +(* \VV/ **************************************************************) +(* // * This file is distributed under the terms of the *) +(* * GNU Lesser General Public License Version 2.1 *) +(************************************************************************) + +open Names +open Term +open Mod_subst + +(** This module implements the handling of opaque proof terms. + Opauqe proof terms are special since: + - they can be lazily computed and substituted + - they are stoked in an optionally loaded segment of .vo files + An [opaque] proof terms holds the real data until fully discharged. + In this case it is called [direct]. + When it is [turn_indirect] the data is relocated to an opaque table + and the [opaque] is turned into an index. *) + +type proofterm = (constr * Univ.constraints) Future.computation +type opaque + +(** From a [proofterm] to some [opaque]. *) +val create : proofterm -> opaque + +(** Turn a direct [opaque] into an indirect one, also hashconses constr *) +val turn_indirect : opaque -> opaque + +(** From a [opaque] back to a [constr]. This might use the + indirect opaque accessor configured below. *) +val force_proof : opaque -> constr +val force_constraints : opaque -> Univ.constraints +val get_proof : opaque -> Term.constr Future.computation +val get_constraints : opaque -> Univ.constraints Future.computation option + +val subst_opaque : substitution -> opaque -> opaque +val iter_direct_opaque : (constr -> unit) -> opaque -> opaque + +type work_list = Id.t array Cmap.t * Id.t array Mindmap.t +type cooking_info = { modlist : work_list; abstract : Context.named_context } + +(* The type has two caveats: + 1) cook_constr is defined after + 2) we have to store the input in the [opaque] in order to be able to + discharge it when turning a .vi into a .vo *) +val discharge_direct_opaque : + cook_constr:(constr -> constr) -> cooking_info -> opaque -> opaque + +val join_opaque : opaque -> unit + +(** When stored indirectly, opaque terms are indexed by their library + dirpath and an integer index. The following two functions activate + this indirect storage, by telling how to store and retrieve terms. + Default creator always returns [None], preventing the creation of + any indirect link, and default accessor always raises an error. +*) + +val set_indirect_creator : + (cooking_info list * proofterm -> (DirPath.t * int) option) -> unit +val set_indirect_opaque_accessor : + (DirPath.t -> int -> Term.constr Future.computation) -> unit +val set_indirect_univ_accessor : + (DirPath.t -> int -> Univ.constraints Future.computation option) -> unit +val set_join_indirect_local_opaque : (DirPath.t -> int -> unit) -> unit +val set_join_indirect_local_univ : (DirPath.t -> int -> unit) -> unit +val reset_indirect_creator : unit -> unit |