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
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
(**************************************************************************)
(* *)
(* The Why platform for program certification *)
(* Copyright (C) 2002-2008 *)
(* Romain BARDOU *)
(* Jean-Franois COUCHOT *)
(* Mehdi DOGGUY *)
(* Jean-Christophe FILLITRE *)
(* Thierry HUBERT *)
(* Claude MARCH *)
(* Yannick MOY *)
(* Christine PAULIN *)
(* Yann RGIS-GIANAS *)
(* Nicolas ROUSSET *)
(* Xavier URBAIN *)
(* *)
(* This software is free software; you can redistribute it and/or *)
(* modify it under the terms of the GNU General Public *)
(* License version 2, as published by the Free Software Foundation. *)
(* *)
(* This software is distributed in the hope that it will be useful, *)
(* but WITHOUT ANY WARRANTY; without even the implied warranty of *)
(* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *)
(* *)
(* See the GNU General Public License version 2 for more details *)
(* (enclosed in the file GPL). *)
(* *)
(**************************************************************************)
(*i $Id: creport.ml,v 1.28 2008/02/05 12:10:47 marche Exp $ i*)
open Format
open Cerror
open Ctypes
exception Error of (Loc.position option) * Cerror.t
(*s Pretty-printing of types *)
let rec print_type fmt t =
print_type_node fmt t.ctype_node
and print_type_node fmt = function
| Tvoid -> fprintf fmt "void"
| Tint (s, i) -> fprintf fmt "%a %a" print_sign s print_integer i
| Tfloat f -> print_float fmt f
| Tvar x -> fprintf fmt "%s" x
| Tarray (_,ty,_) -> fprintf fmt "%a[]" print_type ty
| Tpointer (_,ty) -> fprintf fmt "%a*" print_type ty
| Tstruct (x) -> fprintf fmt "struct %s" x
| Tunion (x) -> fprintf fmt "union %s" x
| Tenum (x) -> fprintf fmt "enum %s" x
| Tfun (pl, ty) -> fprintf fmt "%a fun(...)" print_type ty
and print_sign fmt = function
| Signed -> fprintf fmt "signed"
| Unsigned -> fprintf fmt "unsigned"
and print_integer fmt = function
| Char -> fprintf fmt "char"
| Short -> fprintf fmt "short"
| Int -> fprintf fmt "int"
| Long -> fprintf fmt "long"
| LongLong -> fprintf fmt "long long"
| Bitfield _ -> fprintf fmt "int (bitfield)"
| ExactInt -> fprintf fmt "int (exact)"
and print_float fmt = function
| Float -> fprintf fmt "float"
| Double -> fprintf fmt "double"
| LongDouble -> fprintf fmt "long double"
| Real -> fprintf fmt "real"
and print_fields fmt = function
| [] -> ()
| (ty, x, _) :: fl -> fprintf fmt "%a %s; %a" print_type ty x print_fields fl
and print_enums fmt = function
| [] -> ()
| (x, _) :: el -> fprintf fmt "%s, %a" x print_enums el
let report fmt = function
| AnyMessage s ->
fprintf fmt "Error: %s" s
| ExpectedType (t1, t2) ->
fprintf fmt "Error: this term has type @[%a@]@ but is expected to have type @[%a@]" print_type t1 print_type t2
| TooManyArguments ->
fprintf fmt "Error: too many arguments"
| PartialApp ->
fprintf fmt "Error: this application is partial (Argument missing?)"
| Unsupported s ->
fprintf fmt "Error: unsupported feature (%s)" s
let offset = ref 0
let reloc (ls, le) = (!offset + ls, !offset + le)
let with_offset ofs f x =
let old_offset = !offset in
try
offset := ofs;
let r = f x in
offset := old_offset;
r
with e ->
offset := old_offset;
raise e
(***
| Stdpp.Exc_located (loc, e) ->
raise (Stdpp.Exc_located (Compat.offset ofs loc, e))
| Error (Some loc, e) ->
raise (Error (Some (offset ofs loc), e))
***)
let option_app f = function Some x -> Some (f x) | None -> None
let raise_located loc e = raise (Error (Some (loc), e))
let raise_unlocated e = raise (Error (None, e))
let raise_locop locop e = raise (Error (locop, e))
let unsupported loc s = raise (Error (Some loc, Unsupported s))
let error l =
Format.kfprintf
(fun fmt -> raise (Error(Some l, AnyMessage (flush_str_formatter()))))
str_formatter
let wtbl = Hashtbl.create 17;;
let warning loc =
Format.kfprintf
(fun fmt ->
let s = flush_str_formatter() in
let n = try Hashtbl.find wtbl s with Not_found -> 0 in
if n <= 2 then
begin
Hashtbl.add wtbl s (n+1);
Format.eprintf "@[%a warning: %s@]@." Loc.report_line (fst loc) s;
if n = 2 then Format.eprintf "(this repeated warning will not appear anymore)@.";
if Coptions.werror then exit 1
end
)
str_formatter
|
