gcc/diagnostic-core.h

   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) 1998-2019 Free Software Foundation, Inc.
   5
   6 This file is part of GCC.
   7
   8 GCC is free software; you can redistribute it and/or modify it under
   9 the terms of the GNU General Public License as published by the Free
  10 Software Foundation; either version 3, or (at your option) any later
  11 version.
  12
  13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  16 for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along 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 "bversion.h"
  26
  27 /* Constants used to discriminate diagnostics.  */
  28 typedef enum
  29 {
  30 #define DEFINE_DIAGNOSTIC_KIND(K, msgid, C) K,
  31 #include "diagnostic.def"
  32 #undef DEFINE_DIAGNOSTIC_KIND
  33   DK_LAST_DIAGNOSTIC_KIND,
  34   /* This is used for tagging pragma pops in the diagnostic
  35      classification history chain.  */
  36   DK_POP
  37 } diagnostic_t;
  38
  39 /* RAII-style class for grouping related diagnostics.  */
  40
  41 class auto_diagnostic_group
  42 {
  43  public:
  44   auto_diagnostic_group ();
  45   ~auto_diagnostic_group ();
  46 };
  47
  48 extern const char *progname;
  49
  50 extern const char *trim_filename (const char *);
  51
  52 /* If we haven't already defined a front-end-specific diagnostics
  53    style, use the generic one.  */
  54 #ifndef GCC_DIAG_STYLE
  55 #define GCC_DIAG_STYLE __gcc_tdiag__
  56 #endif
  57 /* None of these functions are suitable for ATTRIBUTE_PRINTF, because
  58    each language front end can extend them with its own set of format
  59    specifiers.  We must use custom format checks.  */
  60 #if (CHECKING_P && GCC_VERSION >= 4001) || GCC_VERSION == BUILDING_GCC_VERSION
  61 #define ATTRIBUTE_GCC_DIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m, n))) ATTRIBUTE_NONNULL(m)
  62 #else
  63 #define ATTRIBUTE_GCC_DIAG(m, n) ATTRIBUTE_NONNULL(m)
  64 #endif
  65 extern void internal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2)
  66      ATTRIBUTE_NORETURN;
  67 extern void internal_error_no_backtrace (const char *, ...)
  68      ATTRIBUTE_GCC_DIAG(1,2) ATTRIBUTE_NORETURN;
  69 /* Pass one of the OPT_W* from options.h as the first parameter.  */
  70 extern bool warning (int, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
  71 extern bool warning_n (location_t, int, unsigned HOST_WIDE_INT,
  72                        const char *, const char *, ...)
  73     ATTRIBUTE_GCC_DIAG(4,6) ATTRIBUTE_GCC_DIAG(5,6);
  74 extern bool warning_n (rich_location *, int, unsigned HOST_WIDE_INT,
  75                        const char *, const char *, ...)
  76     ATTRIBUTE_GCC_DIAG(4, 6) ATTRIBUTE_GCC_DIAG(5, 6);
  77 extern bool warning_at (location_t, int, const char *, ...)
  78     ATTRIBUTE_GCC_DIAG(3,4);
  79 extern bool warning_at (rich_location *, int, const char *, ...)
  80     ATTRIBUTE_GCC_DIAG(3,4);
  81 extern void error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
  82 extern void error_n (location_t, unsigned HOST_WIDE_INT, const char *,
  83                      const char *, ...)
  84     ATTRIBUTE_GCC_DIAG(3,5) ATTRIBUTE_GCC_DIAG(4,5);
  85 extern void error_at (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
  86 extern void error_at (rich_location *, const char *, ...)
  87   ATTRIBUTE_GCC_DIAG(2,3);
  88 extern void fatal_error (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3)
  89      ATTRIBUTE_NORETURN;
  90 /* Pass one of the OPT_W* from options.h as the second parameter.  */
  91 extern bool pedwarn (location_t, int, const char *, ...)
  92      ATTRIBUTE_GCC_DIAG(3,4);
  93 extern bool pedwarn (rich_location *, int, const char *, ...)
  94      ATTRIBUTE_GCC_DIAG(3,4);
  95 extern bool permerror (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
  96 extern bool permerror (rich_location *, const char *,
  97                                    ...) ATTRIBUTE_GCC_DIAG(2,3);
  98 extern void sorry (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
  99 extern void sorry_at (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
 100 extern void inform (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
 101 extern void inform (rich_location *, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
 102 extern void inform_n (location_t, unsigned HOST_WIDE_INT, const char *,
 103                       const char *, ...)
 104     ATTRIBUTE_GCC_DIAG(3,5) ATTRIBUTE_GCC_DIAG(4,5);
 105 extern void verbatim (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
 106 extern bool emit_diagnostic (diagnostic_t, location_t, int,
 107                              const char *, ...) ATTRIBUTE_GCC_DIAG(4,5);
 108 extern bool emit_diagnostic (diagnostic_t, rich_location *, int,
 109                              const char *, ...) ATTRIBUTE_GCC_DIAG(4,5);
 110 extern bool emit_diagnostic_valist (diagnostic_t, location_t, int, const char *,
 111                                     va_list *) ATTRIBUTE_GCC_DIAG (4,0);
 112 extern bool seen_error (void);
 113
 114 #ifdef BUFSIZ
 115   /* N.B. Unlike all the others, fnotice is just gettext+fprintf, and
 116      therefore it can have ATTRIBUTE_PRINTF.  */
 117 extern void fnotice                     (FILE *, const char *, ...)
 118      ATTRIBUTE_PRINTF_2;
 119 #endif
 120
 121 #endif /* ! GCC_DIAGNOSTIC_CORE_H */