source: mainline/uspace/app/sbi/src/builtin/bi_error.c

Last change on this file was 904b1bc, checked in by Jiri Svoboda <jiri@…>, 7 years ago

Fix remaining ccheck issues.

  • Property mode set to 100644
File size: 2.6 KB
Line 
1/*
2 * Copyright (c) 2010 Jiri Svoboda
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @file Error classes (used with exception handling). */
30
31#include <assert.h>
32#include "../builtin.h"
33#include "../mytypes.h"
34#include "../symbol.h"
35
36#include "bi_error.h"
37
38/** Declare error class hierarchy.
39 *
40 * @param bi Builtin object
41 */
42void bi_error_declare(builtin_t *bi)
43{
44 /*
45 * Declare class Error and its subclasses.
46 * Here, class Error supplants a package or namespace.
47 */
48
49 builtin_code_snippet(bi,
50 "class Error is\n"
51 " -- Common ancestor of all error classes\n"
52 " class Base is\n"
53 " end\n"
54 " -- Accessing nil reference\n"
55 " class NilReference : Base is\n"
56 " end\n"
57 " -- Array index out of bounds\n"
58 " class OutOfBounds : Base is\n"
59 " end\n"
60 "end\n");
61}
62
63/** Bind error class hierarchy.
64 *
65 * @param bi Builtin object
66 */
67void bi_error_bind(builtin_t *bi)
68{
69 stree_symbol_t *sym;
70
71 /* Declare class Error and its subclasses. */
72
73 sym = builtin_find_lvl1(bi, "Error", "OutOfBounds");
74 bi->error_outofbounds = symbol_to_csi(sym);
75 assert(bi->error_outofbounds != NULL);
76
77 sym = builtin_find_lvl1(bi, "Error", "NilReference");
78 bi->error_nilreference = symbol_to_csi(sym);
79 assert(bi->error_nilreference != NULL);
80}
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