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) 1998-2020 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 /* Forward decl. */ 49 class diagnostic_metadata; /* See diagnostic-metadata.h. */ 50 51 extern const char *progname; 52 53 extern const char *trim_filename (const char *); 54 55 /* If we haven't already defined a front-end-specific diagnostics 56 style, use the generic one. */ 57 #ifndef GCC_DIAG_STYLE 58 #define GCC_DIAG_STYLE __gcc_tdiag__ 59 #endif 60 /* None of these functions are suitable for ATTRIBUTE_PRINTF, because 61 each language front end can extend them with its own set of format 62 specifiers. We must use custom format checks. */ 63 #if (CHECKING_P && GCC_VERSION >= 4001) || GCC_VERSION == BUILDING_GCC_VERSION 64 #define ATTRIBUTE_GCC_DIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m, n))) ATTRIBUTE_NONNULL(m) 65 #else 66 #define ATTRIBUTE_GCC_DIAG(m, n) ATTRIBUTE_NONNULL(m) 67 #endif 68 extern void internal_error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2) 69 ATTRIBUTE_NORETURN; 70 extern void internal_error_no_backtrace (const char *, ...) 71 ATTRIBUTE_GCC_DIAG(1,2) ATTRIBUTE_NORETURN; 72 /* Pass one of the OPT_W* from options.h as the first parameter. */ 73 extern bool warning (int, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3); 74 extern bool warning_n (location_t, 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_n (rich_location *, int, unsigned HOST_WIDE_INT, 78 const char *, const char *, ...) 79 ATTRIBUTE_GCC_DIAG(4, 6) ATTRIBUTE_GCC_DIAG(5, 6); 80 extern bool warning_at (location_t, int, const char *, ...) 81 ATTRIBUTE_GCC_DIAG(3,4); 82 extern bool warning_at (rich_location *, int, const char *, ...) 83 ATTRIBUTE_GCC_DIAG(3,4); 84 extern bool warning_meta (rich_location *, 85 const diagnostic_metadata &, int, 86 const char *, ...) 87 ATTRIBUTE_GCC_DIAG(4,5); 88 extern void error (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2); 89 extern void error_n (location_t, unsigned HOST_WIDE_INT, const char *, 90 const char *, ...) 91 ATTRIBUTE_GCC_DIAG(3,5) ATTRIBUTE_GCC_DIAG(4,5); 92 extern void error_at (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3); 93 extern void error_at (rich_location *, const char *, ...) 94 ATTRIBUTE_GCC_DIAG(2,3); 95 extern void fatal_error (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3) 96 ATTRIBUTE_NORETURN; 97 /* Pass one of the OPT_W* from options.h as the second parameter. */ 98 extern bool pedwarn (location_t, int, const char *, ...) 99 ATTRIBUTE_GCC_DIAG(3,4); 100 extern bool pedwarn (rich_location *, int, const char *, ...) 101 ATTRIBUTE_GCC_DIAG(3,4); 102 extern bool permerror (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3); 103 extern bool permerror (rich_location *, const char *, 104 ...) ATTRIBUTE_GCC_DIAG(2,3); 105 extern void sorry (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2); 106 extern void sorry_at (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3); 107 extern void inform (location_t, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3); 108 extern void inform (rich_location *, const char *, ...) ATTRIBUTE_GCC_DIAG(2,3); 109 extern void inform_n (location_t, unsigned HOST_WIDE_INT, const char *, 110 const char *, ...) 111 ATTRIBUTE_GCC_DIAG(3,5) ATTRIBUTE_GCC_DIAG(4,5); 112 extern void verbatim (const char *, ...) ATTRIBUTE_GCC_DIAG(1,2); 113 extern bool emit_diagnostic (diagnostic_t, location_t, int, 114 const char *, ...) ATTRIBUTE_GCC_DIAG(4,5); 115 extern bool emit_diagnostic (diagnostic_t, rich_location *, int, 116 const char *, ...) ATTRIBUTE_GCC_DIAG(4,5); 117 extern bool emit_diagnostic_valist (diagnostic_t, location_t, int, const char *, 118 va_list *) ATTRIBUTE_GCC_DIAG (4,0); 119 extern bool seen_error (void); 120 121 #ifdef BUFSIZ 122 /* N.B. Unlike all the others, fnotice is just gettext+fprintf, and 123 therefore it can have ATTRIBUTE_PRINTF. */ 124 extern void fnotice (FILE *, const char *, ...) 125 ATTRIBUTE_PRINTF_2; 126 #endif 127 128 #endif /* ! GCC_DIAGNOSTIC_CORE_H */ 129