1995-08-09 08:06:35 -07:00
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(***********************************************************************)
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(* *)
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(* Caml Special Light *)
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(* *)
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(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
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(* *)
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(* Copyright 1995 Institut National de Recherche en Informatique et *)
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(* Automatique. Distributed only by permission. *)
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(* *)
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(***********************************************************************)
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(* $Id$ *)
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1995-05-04 03:15:53 -07:00
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type t =
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Pident of Ident.t
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| Pdot of t * string * int
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let nopos = -1
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let rec same p1 p2 =
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match (p1, p2) with
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(Pident id1, Pident id2) -> Ident.same id1 id2
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| (Pdot(p1, s1, pos1), Pdot(p2, s2, pos2)) -> s1 = s2 & same p1 p2
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| (_, _) -> false
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let rec root = function
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Pident id -> id
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| Pdot(p, s, pos) -> root p
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let isfree id p = Ident.same id (root p)
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