X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Ftactics%2FproofEngineHelpers.mli;h=859f1f4bac35096d0844f15c7718fef3577be179;hb=e6b28085c97ae7b9bd3f3262b105f6b84f42b047;hp=85dc61e81d7fa5e03fbc86b115f5884453c63e3b;hpb=fa2c122dc2d20e0d8b473bef9128464c3477d419;p=helm.git

diff --git a/helm/ocaml/tactics/proofEngineHelpers.mli b/helm/ocaml/tactics/proofEngineHelpers.mli
index 85dc61e81..859f1f4ba 100644
--- a/helm/ocaml/tactics/proofEngineHelpers.mli
+++ b/helm/ocaml/tactics/proofEngineHelpers.mli
@@ -48,6 +48,16 @@ val compare_metasenvs :
  * A pattern is a Cic term in which Cic.Implicit terms annotated with `Hole
  * appears *)
 
+(** create a pattern from a term and a list of subterms.
+* the pattern is granted to have a ? for every subterm that has no selected
+* subterms
+* @param equality equality function used while walking the term. Defaults to
+* physical equality (==) *)
+val pattern_of:
+ ?equality:(Cic.term -> Cic.term -> bool) -> term:Cic.term -> Cic.term list ->
+   Cic.term
+
+
 (** select metasenv conjecture pattern
 * select all subterms of [conjecture] matching [pattern].
 * It returns the set of matched terms (that can be compared using physical
@@ -61,9 +71,44 @@ val compare_metasenvs :
 * hypothesis may be empty. *)
 val select:
  metasenv:Cic.metasenv ->
+ ugraph:CicUniv.universe_graph ->
  conjecture:Cic.conjecture ->
  pattern:ProofEngineTypes.pattern ->
+  Cic.substitution * Cic.metasenv * CicUniv.universe_graph *
   [ `Decl of (Cic.context * Cic.term) list
   | `Def of (Cic.context * Cic.term) list * (Cic.context * Cic.term) list option
   ] option list *
   (Cic.context * Cic.term) list
+
+(** locate_in_term equality what where context
+* [what] must match a subterm of [where] according to [equality]
+* It returns the matched terms together with their contexts in [where]
+* [equality] defaults to physical equality
+* [context] must be the context of [where]
+*)
+val locate_in_term:
+ ?equality:(Cic.term -> Cic.term -> bool) -> Cic.term -> where:Cic.term ->
+  Cic.context -> (Cic.context * Cic.term) list
+
+(** locate_in_term equality what where context
+* [what] must match a subterm of [where] according to [equality]
+* It returns the matched terms together with their contexts in [where]
+* [equality] defaults to physical equality
+* [context] must be the context of [where]
+*)
+val locate_in_conjecture:
+ ?equality:(Cic.term -> Cic.term -> bool) -> Cic.term -> Cic.conjecture ->
+  (Cic.context * Cic.term) list
+
+(* saturate_term newmeta metasenv context ty                                  *)
+(* Given a type [ty] (a backbone), it returns its head and a new metasenv in  *)
+(* which there is new a META for each hypothesis, a list of arguments for the *)
+(* new applications and the index of the last new META introduced. The nth    *)
+(* argument in the list of arguments is just the nth new META.                *)
+val saturate_term:
+ int -> Cic.metasenv -> Cic.context -> Cic.term ->
+  Cic.term * Cic.metasenv * Cic.term list * int
+
+(* returns the index and the type of a premise in a context *)
+val lookup_type: Cic.metasenv -> Cic.context -> string -> int * Cic.term
+