2 ||M|| This file is part of HELM, an Hypertextual, Electronic
3 ||A|| Library of Mathematics, developed at the Computer Science
4 ||T|| Department, University of Bologna, Italy.
6 ||T|| HELM is free software; you can redistribute it and/or
7 ||A|| modify it under the terms of the GNU General Public License
8 \ / version 2 or (at your option) any later version.
9 \ / This software is distributed as is, NO WARRANTY.
10 V_______________________________________________________________ *)
14 exception UnificationFailure of string Lazy.t;;
15 exception Uncertain of string Lazy.t;;
16 exception AssertFailure of string Lazy.t;;
18 val set_refiner_typeof:
20 ?localise:(NCic.term -> Stdpp.location) ->
21 NCic.metasenv -> NCic.substitution -> NCic.context ->
22 NCic.term -> NCic.term option -> (* term, expected type *)
23 NCic.metasenv * NCic.substitution * NCic.term * NCic.term) -> unit
27 ?test_eq_only:bool -> (* default: false *)
28 NCic.metasenv -> NCic.substitution -> NCic.context ->
29 NCic.term -> NCic.term ->
30 NCic.metasenv * NCic.substitution
32 (* this should be moved elsewhere *)
33 val fix_sorts: NCic.term -> NCic.term
36 exception UnificationFailure of string Lazy.t;;
37 exception Uncertain of string Lazy.t;;
38 exception AssertFailure of string Lazy.t;;
40 (* fo_unif metasenv context t1 t2 *)
41 (* unifies [t1] and [t2] in a context [context]. *)
42 (* Only the metavariables declared in [metasenv] *)
43 (* can be used in [t1] and [t2]. *)
44 (* The returned substitution can be directly *)
45 (* withouth first unwinding it. *)
47 Cic.metasenv -> Cic.context ->
48 Cic.term -> Cic.term -> CicUniv.universe_graph ->
49 Cic.substitution * Cic.metasenv * CicUniv.universe_graph
51 (* fo_unif_subst metasenv subst context t1 t2 *)
52 (* unifies [t1] and [t2] in a context [context] *)
53 (* and with [subst] as the current substitution *)
54 (* (i.e. unifies ([subst] [t1]) and *)
55 (* ([subst] [t2]) in a context *)
56 (* ([subst] [context]) using the metasenv *)
57 (* ([subst] [metasenv]) *)
58 (* Only the metavariables declared in [metasenv] *)
59 (* can be used in [t1] and [t2]. *)
60 (* [subst] and the substitution returned are not *)
62 (*CSC: fare un tipo unione Unwinded o ToUnwind e fare gestire la
63 cosa all'apply_subst!!!*)
65 Cic.substitution -> Cic.context -> Cic.metasenv ->
66 Cic.term -> Cic.term -> CicUniv.universe_graph ->
67 Cic.substitution * Cic.metasenv * CicUniv.universe_graph