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) 1998-2013 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 "input.h"
  26 #include "bversion.h"
  27
  28 /* Constants used to discriminate diagnostics.  */
  29 typedef 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
  40 extern const char *progname;
  41
  42 extern 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
  57 extern void internal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2)
  58      ATTRIBUTE_NORETURN;
  59 /* Pass one of the OPT_W* from options.h as the first parameter.  */
  60 extern bool warning (int, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
  61 extern bool warning_at (location_t, int, const char *, ...)
  62     ATTRIBUTE_GCC_DIAG(3,4);
  63 extern void error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
  64 extern void error_n (location_t, int, const char *, const char *, ...)
  65     ATTRIBUTE_GCC_DIAG(3,5) ATTRIBUTE_GCC_DIAG(4,5);
  66 extern void error_at (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
  67 extern void fatal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2)
  68      ATTRIBUTE_NORETURN;
  69 /* Pass one of the OPT_W* from options.h as the second parameter.  */
  70 extern bool pedwarn (location_t, int, const char *, ...)
  71      ATTRIBUTE_GCC_DIAG(3,4);
  72 extern bool permerror (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
  73 extern void sorry (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
  74 extern void inform (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3);
  75 extern void inform_n (location_t, int, const char *, const char *, ...)
  76     ATTRIBUTE_GCC_DIAG(3,5) ATTRIBUTE_GCC_DIAG(4,5);
  77 extern void verbatim (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2);
  78 extern bool emit_diagnostic (diagnostic_t, location_t, int,
  79                              const char *, ...) ATTRIBUTE_GCC_DIAG(4,5);
  80 extern bool seen_error (void);
  81
  82 #ifdef BUFSIZ
  83   /* N.B. Unlike all the others, fnotice is just gettext+fprintf, and
  84      therefore it can have ATTRIBUTE_PRINTF.  */
  85 extern void fnotice                     (FILE *, const char *, ...)
  86      ATTRIBUTE_PRINTF_2;
  87 #endif
  88
  89 #endif /* ! GCC_DIAGNOSTIC_CORE_H */