Merge branch 'master' of https://github.com/alovassy/titan.core
[deliverable/titan.core.git] / langviz / error.h
CommitLineData
970ed795 1///////////////////////////////////////////////////////////////////////////////
3abe9331 2// Copyright (c) 2000-2015 Ericsson Telecom AB
970ed795
EL
3// All rights reserved. This program and the accompanying materials
4// are made available under the terms of the Eclipse Public License v1.0
5// which accompanies this distribution, and is available at
6// http://www.eclipse.org/legal/epl-v10.html
7///////////////////////////////////////////////////////////////////////////////
8#ifndef _langviz_error_H
9#define _langviz_error_H
10
11#ifndef __GNUC__
12/** If a C compiler other than GCC is used the macro below will substitute all
13 * GCC-specific non-standard attributes with an empty string. */
14#ifndef __attribute__
15#define __attribute__(arg)
16#endif
17#endif
18
19#ifdef __cplusplus
20extern "C" {
21#endif
22
23/**
24 *
25 * Verbosity level (bitmask).
26 *
27 * Meaning of bits:
28 * 1: "not supported" messages
29 * 2: warning
30 * 4: notify
31 * 8: debug 0
32 * 16: debug 1
33 * 32: debug 2
34 *
35 * Debug bits define the debug level in the interval 0..7; 0 means no
36 * debug messages, 7 means very verbose.
37 */
38extern unsigned verb_level;
39
40/**
41 * The argv[0] of main, i.e. the programname.
42 */
43extern const char *argv0;
44
45/**
46 * FATAL_ERROR(const char *fmt, ...) macro prints a formatted error message
47 * to stderr and aborts execution. It calls the fatal_error function with
48 * appropriate file name and line number information
49 */
50#if defined (__GNUC__)
51/**
52 * The preprocessors of GCC versions 2.95.3 or earlier do not support the
53 * standard notation for varadic macros in C++ mode.
54 * Therefore this proprietary notation is used with GCC.
55 */
56#define FATAL_ERROR(fmt, args...) \
57 (fatal_error(__FILE__, __LINE__, fmt, ## args))
58#else
59/**
60 * This is the standard notation.
61 */
62#define FATAL_ERROR(...) \
63 (fatal_error(__FILE__, __LINE__, __VA_ARGS__))
64#endif
65
66/**
67 * fatal_error function, which is not supposed to be called directly.
68 */
69extern void fatal_error(const char *filename, int lineno, const char *fmt, ...)
70 __attribute__ ((__format__ (__printf__, 3, 4), __noreturn__));
71
72/**
73 * Prints a formatted error message to stderr.
74 */
75extern void ERROR(const char *fmt, ...)
76 __attribute__ ((__format__ (__printf__, 1, 2)));
77
78/**
79 * Prints a formatted warning message to stderr.
80 */
81extern void WARNING(const char *fmt, ...)
82 __attribute__ ((__format__ (__printf__, 1, 2)));
83
84/**
85 * Prints a formatted warning message to stderr: "Warning: Not supported: %s".
86 */
87extern void NOTSUPP(const char *fmt, ...)
88 __attribute__ ((__format__ (__printf__, 1, 2)));
89
90/**
91 * Prints a formatted notify message to stderr.
92 */
93extern void NOTIFY(const char *fmt, ...)
94 __attribute__ ((__format__ (__printf__, 1, 2)));
95
96/**
97 * Prints a formatted debug message to stderr.
98 */
99extern void DEBUG(unsigned level, const char *fmt, ...)
100 __attribute__ ((__format__ (__printf__, 2, 3)));
101
102
103#ifdef __cplusplus
104}
105#endif
106
107#endif // _langviz_error_H
This page took 0.028476 seconds and 5 git commands to generate.