/
pretype_errors.ml
90 lines (65 loc) · 2.76 KB
/
pretype_errors.ml
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
(***********************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA-Rocquencourt & LRI-CNRS-Orsay *)
(* \VV/ *************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(***********************************************************************)
(* $Id$ *)
open Names
open Sign
open Term
open Environ
open Type_errors
open Rawterm
type ml_case_error =
| MlCaseAbsurd
| MlCaseDependent
type pretype_error =
(* Old Case *)
| MlCase of ml_case_error
| CantFindCaseType of constr
(* Unification *)
| OccurCheck of int * constr
| NotClean of int * constr
(* Pretyping *)
| VarNotFound of identifier
| UnexpectedType of constr * constr
| NotProduct of constr
exception PretypeError of env * pretype_error
let raise_pretype_error (loc,ctx,te) =
Stdpp.raise_with_loc loc (PretypeError(ctx,te))
let raise_located_type_error (loc,k,ctx,te) =
Stdpp.raise_with_loc loc (TypeError(k,ctx,te))
let error_cant_find_case_type_loc loc env expr =
raise_pretype_error (loc, env, CantFindCaseType expr)
let error_ill_formed_branch_loc loc k env c i actty expty =
raise_located_type_error (loc, k, env, IllFormedBranch (c,i,actty,expty))
let error_actual_type_loc loc env c actty expty =
raise_located_type_error (loc, CCI, env, ActualType (c,actty,expty))
let error_cant_apply_not_functional_loc loc env rator randl =
raise_located_type_error
(loc,CCI,env, CantApplyNonFunctional (rator,randl))
let error_cant_apply_bad_type_loc loc env t rator randl =
raise_located_type_error (loc, CCI, env, CantApplyBadType (t,rator,randl))
let error_ill_formed_branch k env c i actty expty =
raise (TypeError (k, env, IllFormedBranch (c,i,actty,expty)))
let error_number_branches_loc loc k env c ct expn =
raise_located_type_error (loc, k, env, NumberBranches (c,ct,expn))
let error_case_not_inductive_loc loc k env c ct =
raise_located_type_error (loc, k, env, CaseNotInductive (c,ct))
(*s Implicit arguments synthesis errors *)
let error_occur_check env ev c =
raise (PretypeError (env, OccurCheck (ev,c)))
let error_not_clean env ev c =
raise (PretypeError (env, NotClean (ev,c)))
(*s Ml Case errors *)
let error_ml_case_loc loc env mes =
raise_pretype_error (loc, env, MlCase mes)
(*s Pretyping errors *)
let error_var_not_found_loc loc s =
raise_pretype_error (loc, Global.env() (*bidon*), VarNotFound s)
let error_unexpected_type_loc loc env actty expty =
raise_pretype_error (loc, env, UnexpectedType (actty, expty))
let error_not_product_loc loc env c =
raise_pretype_error (loc, env, NotProduct c)