diff options
Diffstat (limited to 'lib/loc.ml')
| -rw-r--r-- | lib/loc.ml | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/lib/loc.ml b/lib/loc.ml index 3051ca7b9..e02fe108d 100644 --- a/lib/loc.ml +++ b/lib/loc.ml @@ -45,33 +45,32 @@ let merge loc1 loc2 = bp = loc2.bp; ep = loc1.ep; } else loc2 -let merge_opt l1 l2 = Option.cata (fun l1 -> merge l1 l2) l2 l1 -let opt_merge l1 l2 = Option.cata (fun l2 -> merge l1 l2) l1 l2 +let merge_opt l1 l2 = match l1, l2 with + | None, None -> None + | Some l , None -> Some l + | None, Some l -> Some l + | Some l1, Some l2 -> Some (merge l1 l2) let unloc loc = (loc.bp, loc.ep) let join_loc = merge -(** Located type *) - -type 'a located = t * 'a - -let is_ghost loc = loc.ep = 0 - -let ghost = { +let internal_ghost = { fname = ""; line_nb = -1; bol_pos = 0; line_nb_last = -1; bol_pos_last = 0; bp = 0; ep = 0; } -let internal_ghost = ghost +(** Located type *) +type 'a located = t option * 'a + let to_pair x = x -let tag ?loc x = Option.default ghost loc, x +let tag ?loc x = loc, x let obj (_,x) = x -let with_loc f (loc, x) = f ~loc x +let with_loc f (loc, x) = f ?loc x let with_unloc f (_,x) = f x let map f (l,x) = (l, f x) -let map_with_loc f (loc, x) = (loc, f ~loc x) +let map_with_loc f (loc, x) = (loc, f ?loc x) let located_fold_left f x (_,a) = f x a let located_iter2 f (_,a) (_,b) = f a b |