diff options
Diffstat (limited to 'contrib/gcc/errors.c')
-rw-r--r-- | contrib/gcc/errors.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/contrib/gcc/errors.c b/contrib/gcc/errors.c new file mode 100644 index 0000000..ab5e2a8 --- /dev/null +++ b/contrib/gcc/errors.c @@ -0,0 +1,134 @@ +/* Basic error reporting routines. + Copyright (C) 1999, 2000, 2001, 2003, 2004, 2005 + 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 2, 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 COPYING. If not, write to the Free +Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301, USA. */ + +/* 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 GENERATOR_FILE +#include "bconfig.h" +#else +#include "config.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 (int opt ATTRIBUTE_UNUSED, 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 if for the gen* programs and so needn't 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); +} |