1/* Declarations of core diagnostic functionality for code that does
2   not need to deal with diagnostic contexts or diagnostic info
3   structures.
4   Copyright (C) 1998-2015 Free Software Foundation, Inc.
5
6This file is part of GCC.
7
8GCC is free software; you can redistribute it and/or modify it under
9the terms of the GNU General Public License as published by the Free
10Software Foundation; either version 3, or (at your option) any later
11version.
12
13GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14WARRANTY; without even the implied warranty of MERCHANTABILITY or
15FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
16for more details.
17
18You should have received a copy of the GNU General Public License
19along with GCC; see the file COPYING3.  If not see
20<http://www.gnu.org/licenses/>.  */
21
22#ifndef GCC_DIAGNOSTIC_CORE_H
23#define GCC_DIAGNOSTIC_CORE_H
24
25#include "input.h"
26#include "bversion.h"
27
28/* Constants used to discriminate diagnostics.  */
29typedef enum
30{
31#define DEFINE_DIAGNOSTIC_KIND(K, msgid, C) K,
32#include "diagnostic.def"
33#undef DEFINE_DIAGNOSTIC_KIND
34  DK_LAST_DIAGNOSTIC_KIND,
35  /* This is used for tagging pragma pops in the diagnostic
36     classification history chain.  */
37  DK_POP
38} diagnostic_t;
39
40extern const char *progname;
41
42extern const char *trim_filename (const char *);
43
44/* If we haven't already defined a front-end-specific diagnostics
45   style, use the generic one.  */
46#ifndef GCC_DIAG_STYLE
47#define GCC_DIAG_STYLE __gcc_tdiag__
48#endif
49/* None of these functions are suitable for ATTRIBUTE_PRINTF, because
50   each language front end can extend them with its own set of format
51   specifiers.  We must use custom format checks.  */
52#if (ENABLE_CHECKING && GCC_VERSION >= 4001) || GCC_VERSION == BUILDING_GCC_VERSION
53#define ATTRIBUTE_GCC_DIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m, n))) ATTRIBUTE_NONNULL(m)
54#else
55#define ATTRIBUTE_GCC_DIAG(m, n) ATTRIBUTE_NONNULL(m)
56#endif
57extern void internal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2)
58     ATTRIBUTE_NORETURN;
59extern void internal_error_no_backtrace (const char *, ...)
60     ATTRIBUTE_GCC_DIAG(1,2) ATTRIBUTE_NORETURN;
61/* Pass one of the OPT_W* from options.h as the first parameter.  */
62extern bool warning (int, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
63extern bool warning_n (location_t, int, int, const char *, const char *, ...)
64    ATTRIBUTE_GCC_DIAG(4,6) ATTRIBUTE_GCC_DIAG(5,6);
65extern bool warning_at (location_t, int, const char *, ...)
66    ATTRIBUTE_GCC_DIAG(3,4);
67extern void error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
68extern void error_n (location_t, int, const char *, const char *, ...)
69    ATTRIBUTE_GCC_DIAG(3,5) ATTRIBUTE_GCC_DIAG(4,5);
70extern void error_at (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
71extern void fatal_error (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3)
72     ATTRIBUTE_NORETURN;
73/* Pass one of the OPT_W* from options.h as the second parameter.  */
74extern bool pedwarn (location_t, int, const char *, ...)
75     ATTRIBUTE_GCC_DIAG(3,4);
76extern bool permerror (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
77extern void sorry (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
78extern void inform (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
79extern void inform_n (location_t, int, const char *, const char *, ...)
80    ATTRIBUTE_GCC_DIAG(3,5) ATTRIBUTE_GCC_DIAG(4,5);
81extern void verbatim (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
82extern bool emit_diagnostic (diagnostic_t, location_t, int,
83			     const char *, ...) ATTRIBUTE_GCC_DIAG(4,5);
84extern bool seen_error (void);
85
86#ifdef BUFSIZ
87  /* N.B. Unlike all the others, fnotice is just gettext+fprintf, and
88     therefore it can have ATTRIBUTE_PRINTF.  */
89extern void fnotice			(FILE *, const char *, ...)
90     ATTRIBUTE_PRINTF_2;
91#endif
92
93#endif /* ! GCC_DIAGNOSTIC_CORE_H */
94