Optimizer: refactored according to its formal description

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

diff --git a/helm/software/components/grafite/grafiteAst.ml b/helm/software/components/grafite/grafiteAst.ml
index 7a9b7b5ae05f7099244d3a7c70fa189fc5b85040..e8811830380cef794daf7f38c68348ae8a959dd8 100644 (file)
--- a/helm/software/components/grafite/grafiteAst.ml
+++ b/helm/software/components/grafite/grafiteAst.ml
@@ -32,10 +32,6 @@ type loc = Token.flocation
 type ('term, 'lazy_term, 'ident) pattern =
   'lazy_term option * ('ident * 'term) list * 'term option
 
-type ('term, 'ident) type_spec =
-   | Ident of 'ident
-   | Type of UriManager.uri * int 
-
 type 'lazy_term reduction =
   [ `Normalize
   | `Reduce
@@ -56,10 +52,11 @@ type ('term, 'lazy_term, 'reduction, 'ident) tactic =
   | Constructor of loc * int
   | Contradiction of loc
   | Cut of loc * 'ident option * 'term
-  | Decompose of loc * ('term, 'ident) type_spec list * 'ident option * 'ident list
+  | Decompose of loc * 'ident list
   | Demodulate of loc
   | Destruct of loc * 'term
-  | Elim of loc * 'term * 'term option * int option * 'ident list
+  | Elim of loc * 'term * 'term option * ('term, 'lazy_term, 'ident) pattern *
+           int option * 'ident list
   | ElimType of loc * 'term * 'term option * int option * 'ident list
   | Exact of loc * 'term
   | Exists of loc
@@ -79,7 +76,7 @@ type ('term, 'lazy_term, 'reduction, 'ident) tactic =
   | Reflexivity of loc
   | Replace of loc * ('term, 'lazy_term, 'ident) pattern * 'lazy_term
   | Rewrite of loc * direction * 'term *
-      ('term, 'lazy_term, 'ident) pattern
+      ('term, 'lazy_term, 'ident) pattern * 'ident list
   | Right of loc
   | Ring of loc
   | Split of loc
@@ -93,10 +90,11 @@ type ('term, 'lazy_term, 'reduction, 'ident) tactic =
   | We_need_to_prove of loc * 'term * 'ident option * 'term option
   | Bydone of loc * 'term option 
   | We_proceed_by_induction_on of loc * 'term * 'term
+  | We_proceed_by_cases_on of loc * 'term * 'term
   | Byinduction of loc * 'term * 'ident
   | Thesisbecomes of loc * 'term
   | Case of loc * string * (string * 'term) list 
-  | ExistsElim of loc * 'term * 'ident * 'term * 'ident * 'term
+  | ExistsElim of loc * 'term option * 'ident * 'term * 'ident * 'lazy_term
   | AndElim of loc * 'term * 'ident * 'term * 'ident * 'term
   | RewritingStep of
      loc * (string option * 'term) option * 'term  *
@@ -107,8 +105,8 @@ type search_kind = [ `Locate | `Hint | `Match | `Elim ]
 
 type print_kind = [ `Env | `Coer ]
 
-type style = Declarative
-           | Procedural
+type presentation_style = Declarative
+                        | Procedural of int option
 
 type 'term macro = 
   (* Whelp's stuff *)
@@ -120,7 +118,8 @@ type 'term macro =
   (* real macros *)
   | Check of loc * 'term 
   | Hint of loc
-  | Inline of loc * style * string * string (* URI or base-uri, name prefix *) 
+  | Inline of loc * presentation_style * string * string 
+     (* URI or base-uri, name prefix *) 
 
 (** To be increased each time the command type below changes, used for "safe"
  * marshalling *)