initial implementation of `ncoercion name : type := body on name : pat to pat`

[helm.git] / helm / software / components / grafite_parser / grafiteParser.ml

diff --git a/helm/software/components/grafite_parser/grafiteParser.ml b/helm/software/components/grafite_parser/grafiteParser.ml
index d031bbad3c59620d99f6ff8e2f2267a0c40ef7ca..dfef4d237a0ea34c8883b2b23b1e734fb46b8fcd 100644 (file)
--- a/helm/software/components/grafite_parser/grafiteParser.ml
+++ b/helm/software/components/grafite_parser/grafiteParser.ml
@@ -829,6 +829,11 @@ EXTEND
          G.NUnivConstraint (loc, strict,u1,u2)
     | IDENT "unification"; IDENT "hint"; n = int; t = tactic_term ->
         G.UnificationHint (loc, t, n)
+    | IDENT "ncoercion"; name = IDENT; SYMBOL ":"; ty = term; 
+        SYMBOL <:unicode<def>>; t = term; "on"; 
+        id = [ IDENT | PIDENT ]; SYMBOL ":"; source = term;
+        "to"; target = term ->
+          G.NCoercion(loc,name,t,ty,(id,source),target)     
     | IDENT "nrecord" ; (params,name,ty,fields) = record_spec ->
         G.NObj (loc, N.Record (params,name,ty,fields))
   ]];