diff options
Diffstat (limited to 'parsing/extend.ml')
| -rw-r--r-- | parsing/extend.ml | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/parsing/extend.ml b/parsing/extend.ml index 64d8cc7cd..a49ec01b0 100644 --- a/parsing/extend.ml +++ b/parsing/extend.ml @@ -245,18 +245,18 @@ let border = function | NonTerm (ProdPrimitive (ETConstr(_,BorderProd (_,a))),_) :: _ -> a | _ -> None -let clever_assoc ass = function - | [g] when g.gr_production <> [] -> - (match border g.gr_production, border (List.rev g.gr_production) with - | Some LeftA, Some RightA -> ass (* Untractable; we cheat *) - | Some LeftA, _ -> Some LeftA - | _, Some RightA -> Some RightA - | _ -> Some NonA) - | _ -> ass +let clever_assoc ass g = + if g.gr_production <> [] then + (match border g.gr_production, border (List.rev g.gr_production) with + | Some LeftA, Some RightA -> ass (* Untractable; we cheat *) + | Some LeftA, _ -> Some LeftA + | _, Some RightA -> Some RightA + | _ -> Some NonA) + else ass let gram_entry univ (nt, ass, rl) = let l = List.map (gram_rule (univ,nt)) rl in - let ass = clever_assoc ass l in + let ass = List.fold_left clever_assoc ass l in { ge_name = nt; gl_assoc = ass; gl_rules = l } |