Make 'that is equivalent to' a standalone tactic

[helm.git] / matita / components / grafite / grafiteAst.ml

diff --git a/matita/components/grafite/grafiteAst.ml b/matita/components/grafite/grafiteAst.ml
index ed757f601613cf6a0dd711860599d6454aacb8f5..7750dab2797d9d6fd8dcd38f307c3fd4b97ea841 100644 (file)
--- 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
@@ -82,17 +79,27 @@ type ntactic =
    | NBlock of loc * ntactic list
    (* Declarative langauge *)
    (* 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,
-   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
-   *)
+   | Assume of loc * string * nterm (* loc, identifier, type *)
+   | Suppose of loc * nterm * string (* loc, assumption, identifier *)
+   | By_just_we_proved of loc * just * nterm * string option (* loc, justification, conclusion, identifier *)
+   | We_need_to_prove of loc * nterm * string option (* loc, newconclusion, identifier *)
+   | 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 * 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
+   | 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