X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fcomponents%2Fgrafite%2FgrafiteAst.ml;h=c29babd55414b1fd3b1d7b75e23f3ebdb6eadf60;hb=5cfd68a5d9e73edb40e1cfe021a1426354767aa8;hp=ed757f601613cf6a0dd711860599d6454aacb8f5;hpb=433e66b381d1b89e48c05d517494fc300fd0abb5;p=helm.git

diff --git a/matita/components/grafite/grafiteAst.ml b/matita/components/grafite/grafiteAst.ml
index ed757f601..c29babd55 100644
--- a/matita/components/grafite/grafiteAst.ml
+++ b/matita/components/grafite/grafiteAst.ml
@@ -36,10 +36,7 @@ type npattern =
 
 type auto_params = nterm list option * (string*string) list
 
-(* The additional a is for abstract *)
-type 'term aauto_params = 'term list option * (string*string) list
-
-type 'term just = [`Term of 'term | `Auto of 'term aauto_params]
+type just = [`Term of nterm | `Auto of auto_params]
 
 type ntactic =
    | NApply of loc * nterm
@@ -84,15 +81,34 @@ type ntactic =
    (* Not the best idea to use a string directly, an abstract type for identifiers would be better *)
    | Assume of loc * string * nterm * nterm option (* loc, identifier, type, eqty *)
    | Suppose of loc * nterm *string * nterm option (* loc, assumption, identifier, eqass *)
-   | By_just_we_proved of loc * nterm just * nterm * string option * nterm option (* loc,
+   | By_just_we_proved of loc * just * nterm * string option * nterm option (* loc,
    justification, conclusion, identifier, eqconcl *)
    | We_need_to_prove of loc * nterm * string option * nterm option (* loc, newconclusion,
    identifier, equivnewcon *)
-   | Bydone of loc * nterm just
-   (*
-   | ExistsElim of loc * nterm just * string * nterm * nterm * string
-   | AndElim of loc * nterm just * nterm * string * nterm * string
-   *)
+   | BetaRewritingStep of loc * nterm
+   | Bydone of loc * just
+   | ExistsElim of loc * just * string * nterm * nterm * string
+   | AndElim of loc * just * nterm * string * nterm * string
+                (*
+   | RewritingStep of
+      loc * (string option * nterm) option * nterm *
+       [ `Term of nterm | `Auto of auto_params
+       | `Proof | `SolveWith of nterm ] *
+       bool (* last step*)
+                   *)
+   | RewritingStep of
+      loc * nterm * [ `Term of nterm | `Auto of auto_params | `Proof | `SolveWith of nterm ] * bool (* last step*)
+   | Obtain of
+      loc * string * nterm
+   | Conclude of
+      loc * nterm
+   | Thesisbecomes of loc * nterm * nterm option
+   | We_proceed_by_induction_on of loc * nterm * nterm
+   | We_proceed_by_cases_on of loc * nterm * nterm
+   | Byinduction of loc * nterm * string
+   | Case of loc * string * (string * nterm) list 
+    (* This is a debug tactic to print the stack to stdout, can be safely removed *)
+   | PrintStack of loc 
 
 type nmacro =
   | NCheck of loc * nterm