| /* Basic error reporting routines. |
| Copyright (C) 1999-2019 Free Software Foundation, Inc. |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify it under |
| the terms of the GNU General Public License as published by the Free |
| Software Foundation; either version 3, or (at your option) any later |
| version. |
| |
| GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GCC; see the file COPYING3. If not see |
| <http://www.gnu.org/licenses/>. */ |
| |
| /* warning, error, and fatal. These definitions are suitable for use |
| in the generator programs; the compiler has a more elaborate suite |
| of diagnostic printers, found in diagnostic.c. */ |
| |
| #ifdef HOST_GENERATOR_FILE |
| #include "config.h" |
| #define GENERATOR_FILE 1 |
| #else |
| #include "bconfig.h" |
| #endif |
| #include "system.h" |
| #include "errors.h" |
| |
| /* Set this to argv[0] at the beginning of main. */ |
| |
| const char *progname; |
| |
| /* Starts out 0, set to 1 if error is called. */ |
| |
| int have_error = 0; |
| |
| /* Print a warning message - output produced, but there may be problems. */ |
| |
| void |
| warning (const char *format, ...) |
| { |
| va_list ap; |
| |
| va_start (ap, format); |
| fprintf (stderr, "%s: warning: ", progname); |
| vfprintf (stderr, format, ap); |
| va_end (ap); |
| fputc ('\n', stderr); |
| } |
| |
| |
| /* Print an error message - we keep going but the output is unusable. */ |
| |
| void |
| error (const char *format, ...) |
| { |
| va_list ap; |
| |
| va_start (ap, format); |
| fprintf (stderr, "%s: ", progname); |
| vfprintf (stderr, format, ap); |
| va_end (ap); |
| fputc ('\n', stderr); |
| |
| have_error = 1; |
| } |
| |
| |
| /* Fatal error - terminate execution immediately. Does not return. */ |
| |
| void |
| fatal (const char *format, ...) |
| { |
| va_list ap; |
| |
| va_start (ap, format); |
| fprintf (stderr, "%s: ", progname); |
| vfprintf (stderr, format, ap); |
| va_end (ap); |
| fputc ('\n', stderr); |
| exit (FATAL_EXIT_CODE); |
| } |
| |
| /* Similar, but say we got an internal error. */ |
| |
| void |
| internal_error (const char *format, ...) |
| { |
| va_list ap; |
| |
| va_start (ap, format); |
| fprintf (stderr, "%s: Internal error: ", progname); |
| vfprintf (stderr, format, ap); |
| va_end (ap); |
| fputc ('\n', stderr); |
| exit (FATAL_EXIT_CODE); |
| } |
| |
| /* Given a partial pathname as input, return another pathname that |
| shares no directory elements with the pathname of __FILE__. This |
| is used by fancy_abort() to print `Internal compiler error in expr.c' |
| instead of `Internal compiler error in ../../GCC/gcc/expr.c'. This |
| version is meant to be used for the gen* programs and therefor need not |
| handle subdirectories. */ |
| |
| const char * |
| trim_filename (const char *name) |
| { |
| static const char this_file[] = __FILE__; |
| const char *p = name, *q = this_file; |
| |
| /* Skip any parts the two filenames have in common. */ |
| while (*p == *q && *p != 0 && *q != 0) |
| p++, q++; |
| |
| /* Now go backwards until the previous directory separator. */ |
| while (p > name && !IS_DIR_SEPARATOR (p[-1])) |
| p--; |
| |
| return p; |
| } |
| |
| /* "Fancy" abort. Reports where in the compiler someone gave up. |
| This file is used only by build programs, so we're not as polite as |
| the version in diagnostic.c. */ |
| void |
| fancy_abort (const char *file, int line, const char *func) |
| { |
| internal_error ("abort in %s, at %s:%d", func, trim_filename (file), line); |
| } |