/* Default error handlers for CPP Library.
- Copyright (C) 1986, 87, 89, 92, 93, 94, 1995 Free Software Foundation, Inc.
+ Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1998, 1999, 2000
+ Free Software Foundation, Inc.
Written by Per Bothner, 1994.
- Based on CCCP program by by Paul Rubin, June 1986
+ Based on CCCP program by Paul Rubin, June 1986
Adapted to ANSI C, Richard Stallman, Jan 1987
This program is free software; you can redistribute it and/or modify it
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
-Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
In other words, you are welcome to use, share and improve this program.
You are forbidden to forbid anyone else to use, share and improve
what you give them. Help stamp out software-hoarding! */
+#include "config.h"
+#include "system.h"
#include "cpplib.h"
-#include <stdio.h>
-
-/* This defines "errno" properly for VMS, and gives us EACCES. */
-#include <errno.h>
-#ifndef errno
-extern int errno;
-#endif
-
-#ifndef VMS
-#ifndef HAVE_STRERROR
-extern int sys_nerr;
-#if defined(bsd4_4) || defined(__NetBSD__)
-extern const char *const sys_errlist[];
-#else
-extern char *sys_errlist[];
-#endif
-#else /* HAVE_STERRROR */
-char *strerror ();
-#endif
-#else /* VMS */
-char *strerror (int,...);
-#endif
-
-/* Print the file names and line numbers of the #include
- commands which led to the current file. */
+#include "cpphash.h"
+#include "intl.h"
-void
-cpp_print_containing_files (pfile)
- cpp_reader *pfile;
-{
- cpp_buffer *ip;
- int i;
- int first = 1;
-
- /* If stack of files hasn't changed since we last printed
- this info, don't repeat it. */
- if (pfile->input_stack_listing_current)
- return;
+static void print_location PARAMS ((cpp_reader *, unsigned int, unsigned int));
- ip = cpp_file_buffer (pfile);
+/* Don't remove the blank before do, as otherwise the exgettext
+ script will mistake this as a function definition */
+#define v_message(msgid, ap) \
+ do { vfprintf (stderr, _(msgid), ap); putc ('\n', stderr); } while (0)
- /* Give up if we don't find a source file. */
- if (ip == NULL)
- return;
+static void
+print_location (pfile, line, col)
+ cpp_reader *pfile;
+ unsigned int line, col;
+{
+ cpp_buffer *buffer = pfile->buffer;
- /* Find the other, outer source files. */
- while ((ip = CPP_PREV_BUFFER (ip)), ip != CPP_NULL_BUFFER (pfile))
+ if (!buffer)
+ fprintf (stderr, "%s: ", progname);
+ else
{
- long line, col;
- cpp_buf_line_and_col (ip, &line, &col);
- if (ip->fname != NULL)
+ const struct line_map *map;
+
+ if (line == 0)
{
- if (first)
- {
- first = 0;
- fprintf (stderr, "In file included");
- }
- else
- fprintf (stderr, ",\n ");
+ line = pfile->cur_token[-1].line;
+ col = pfile->cur_token[-1].col;
}
-/* start-sanitize-mpw */
-#ifdef MPW
- fprintf (stderr, " File \"%s\"; Line %d # ", ip->nominal_fname, line);
-#else
-/* end-sanitize-mpw */
- fprintf (stderr, " from %s:%d", ip->nominal_fname, line);
-/* start-sanitize-mpw */
-#endif /* MPW */
-/* end-sanitize-mpw */
- }
- if (! first)
- fprintf (stderr, ":\n");
+ map = lookup_line (&pfile->line_maps, line);
+ print_containing_files (&pfile->line_maps, map);
+
+ line = SOURCE_LINE (map, line);
+ if (col == 0)
+ col = 1;
+
+ if (line == 0)
+ fprintf (stderr, "%s:", map->to_file);
+ else if (CPP_OPTION (pfile, show_column) == 0)
+ fprintf (stderr, "%s:%u:", map->to_file, line);
+ else
+ fprintf (stderr, "%s:%u:%u:", map->to_file, line, col);
- /* Record we have printed the status as of this time. */
- pfile->input_stack_listing_current = 1;
+ fputc (' ', stderr);
+ }
}
-void
-cpp_print_file_and_line (pfile)
+/* Set up for an error message: print the file and line, bump the error
+ counter, etc. LINE is the logical line number; zero means to print
+ at the location of the previously lexed token, which tends to be the
+ correct place by default. Returns 0 if the error has been suppressed. */
+
+int
+_cpp_begin_message (pfile, code, line, column)
cpp_reader *pfile;
+ enum error_type code;
+ unsigned int line, column;
{
- cpp_buffer *ip = cpp_file_buffer (pfile);
+ int is_warning = 0;
- if (ip != NULL)
+ switch (code)
{
- long line, col;
- cpp_buf_line_and_col (ip, &line, &col);
- if (pfile->show_column)
- fprintf (stderr, "%s:%d:%d: ", ip->nominal_fname, line, col);
+ case PEDWARN:
+ case WARNING:
+ if (CPP_IN_SYSTEM_HEADER (pfile)
+ && ! CPP_OPTION (pfile, warn_system_headers))
+ return 0;
+ case WARNING_SYSHDR:
+ if (CPP_OPTION (pfile, warnings_are_errors)
+ || (code == PEDWARN && CPP_OPTION (pfile, pedantic_errors)))
+ {
+ if (CPP_OPTION (pfile, inhibit_errors))
+ return 0;
+ if (pfile->errors < CPP_FATAL_LIMIT)
+ pfile->errors++;
+ }
else
- fprintf (stderr, "%s:%d: ", ip->nominal_fname, line);
+ {
+ if (CPP_OPTION (pfile, inhibit_warnings))
+ return 0;
+ is_warning = 1;
+ }
+ break;
+
+ case ERROR:
+ if (CPP_OPTION (pfile, inhibit_errors))
+ return 0;
+ if (pfile->errors < CPP_FATAL_LIMIT)
+ pfile->errors++;
+ break;
+ /* Fatal errors cannot be inhibited. */
+ case FATAL:
+ pfile->errors = CPP_FATAL_LIMIT;
+ break;
+ case ICE:
+ fprintf (stderr, _("internal error: "));
+ pfile->errors = CPP_FATAL_LIMIT;
+ break;
}
-}
-void
-cpp_error (pfile, msg, arg1, arg2, arg3)
- cpp_reader *pfile;
- char *msg;
- char *arg1, *arg2, *arg3;
-{
- cpp_print_containing_files (pfile);
- cpp_print_file_and_line (pfile);
- fprintf (stderr, msg, arg1, arg2, arg3);
- fprintf (stderr, "\n");
- pfile->errors++;
+ print_location (pfile, line, column);
+ if (is_warning)
+ fputs (_("warning: "), stderr);
+
+ return 1;
}
-/* Print error message but don't count it. */
+/* Exported interface. */
+
+/* For reporting internal errors. Prints "internal error: " for you,
+ otherwise identical to cpp_fatal. */
void
-cpp_warning (pfile, msg, arg1, arg2, arg3)
- cpp_reader *pfile;
- char *msg;
- char *arg1, *arg2, *arg3;
-{
- if (CPP_OPTIONS (pfile)->inhibit_warnings)
- return;
+cpp_ice VPARAMS ((cpp_reader *pfile, const char *msgid, ...))
+{
+ VA_OPEN (ap, msgid);
+ VA_FIXEDARG (ap, cpp_reader *, pfile);
+ VA_FIXEDARG (ap, const char *, msgid);
- if (CPP_OPTIONS (pfile)->warnings_are_errors)
- pfile->errors++;
+ if (_cpp_begin_message (pfile, ICE, 0, 0))
+ v_message (msgid, ap);
- cpp_print_containing_files (pfile);
- cpp_print_file_and_line (pfile);
- fprintf (stderr, "warning: ");
- fprintf (stderr, msg, arg1, arg2, arg3);
- fprintf (stderr, "\n");
+ VA_CLOSE (ap);
}
-void
-cpp_error_with_line (pfile, line, msg, arg1, arg2, arg3)
- cpp_reader *pfile;
- int line;
- char *msg;
- char *arg1, *arg2, *arg3;
-{
- int i;
- cpp_buffer *ip = cpp_file_buffer (pfile);
+/* Same as cpp_error, except we consider the error to be "fatal",
+ such as inconsistent options. I.e. there is little point in continuing.
+ (We do not exit, to support use of cpplib as a library.
+ Instead, it is the caller's responsibility to check
+ CPP_FATAL_ERRORS. */
- cpp_print_containing_files (pfile);
+void
+cpp_fatal VPARAMS ((cpp_reader *pfile, const char *msgid, ...))
+{
+ VA_OPEN (ap, msgid);
+ VA_FIXEDARG (ap, cpp_reader *, pfile);
+ VA_FIXEDARG (ap, const char *, msgid);
- if (ip != NULL)
- fprintf (stderr, "%s:%d: ", ip->nominal_fname, line);
+ if (_cpp_begin_message (pfile, FATAL, 0, 0))
+ v_message (msgid, ap);
- fprintf (stderr, msg, arg1, arg2, arg3);
- fprintf (stderr, "\n");
- pfile->errors++;
+ VA_CLOSE (ap);
}
void
-cpp_warning_with_line (pfile, line, msg, arg1, arg2, arg3)
- cpp_reader *pfile;
- int line;
- char *msg;
- char *arg1, *arg2, *arg3;
+cpp_error VPARAMS ((cpp_reader * pfile, const char *msgid, ...))
{
- int i;
- cpp_buffer *ip;
+ VA_OPEN (ap, msgid);
+ VA_FIXEDARG (ap, cpp_reader *, pfile);
+ VA_FIXEDARG (ap, const char *, msgid);
- if (CPP_OPTIONS (pfile)->inhibit_warnings)
- return;
+ if (_cpp_begin_message (pfile, ERROR, 0, 0))
+ v_message (msgid, ap);
- if (CPP_OPTIONS (pfile)->warnings_are_errors)
- pfile->errors++;
+ VA_CLOSE (ap);
+}
- cpp_print_containing_files (pfile);
+void
+cpp_error_with_line VPARAMS ((cpp_reader *pfile, int line, int column,
+ const char *msgid, ...))
+{
+ VA_OPEN (ap, msgid);
+ VA_FIXEDARG (ap, cpp_reader *, pfile);
+ VA_FIXEDARG (ap, int, line);
+ VA_FIXEDARG (ap, int, column);
+ VA_FIXEDARG (ap, const char *, msgid);
- ip = cpp_file_buffer (pfile);
+ if (_cpp_begin_message (pfile, ERROR, line, column))
+ v_message (msgid, ap);
- if (ip != NULL)
- fprintf (stderr, "%s:%d: ", ip->nominal_fname, line);
- fprintf (stderr, "warning: ");
- fprintf (stderr, msg, arg1, arg2, arg3);
- fprintf (stderr, "\n");
+ VA_CLOSE (ap);
}
-/* Print an error message and maybe count it. */
-
+/* Error including a message from `errno'. */
void
-cpp_pedwarn (pfile, msg, arg1, arg2, arg3)
+cpp_error_from_errno (pfile, name)
cpp_reader *pfile;
- char *msg;
- char *arg1, *arg2, *arg3;
+ const char *name;
{
- if (CPP_OPTIONS (pfile)->pedantic_errors)
- cpp_error (pfile, msg, arg1, arg2, arg3);
- else
- cpp_warning (pfile, msg, arg1, arg2, arg3);
+ cpp_error (pfile, "%s: %s", name, xstrerror (errno));
}
void
-cpp_pedwarn_with_line (pfile, line, msg, arg1, arg2, arg3)
- cpp_reader *pfile;
- int line;
- char *msg;
- char *arg1, *arg2, *arg3;
+cpp_warning VPARAMS ((cpp_reader * pfile, const char *msgid, ...))
{
- if (CPP_OPTIONS (pfile)->pedantic_errors)
- cpp_error_with_line (pfile, line, msg, arg1, arg2, arg3);
- else
- cpp_warning_with_line (pfile, line, msg, arg1, arg2, arg3);
-}
+ VA_OPEN (ap, msgid);
+ VA_FIXEDARG (ap, cpp_reader *, pfile);
+ VA_FIXEDARG (ap, const char *, msgid);
-/* Report a warning (or an error if pedantic_errors)
- giving specified file name and line number, not current. */
+ if (_cpp_begin_message (pfile, WARNING, 0, 0))
+ v_message (msgid, ap);
-void
-cpp_pedwarn_with_file_and_line (pfile, file, line, msg, arg1, arg2, arg3)
- cpp_reader *pfile;
- char *file;
- int line;
- char *msg;
- char *arg1, *arg2, *arg3;
-{
- if (!CPP_OPTIONS (pfile)->pedantic_errors
- && CPP_OPTIONS (pfile)->inhibit_warnings)
- return;
- if (file != NULL)
- fprintf (stderr, "%s:%d: ", file, line);
- if (CPP_OPTIONS (pfile)->pedantic_errors)
- pfile->errors++;
- else
- fprintf (stderr, "warning: ");
- fprintf (stderr, msg, arg1, arg2, arg3);
- fprintf (stderr, "\n");
+ VA_CLOSE (ap);
}
void
-fatal (str, arg)
- char *str, *arg;
+cpp_warning_with_line VPARAMS ((cpp_reader * pfile, int line, int column,
+ const char *msgid, ...))
{
- fprintf (stderr, "%s: ", progname);
- fprintf (stderr, str, arg);
- fprintf (stderr, "\n");
- exit (FAILURE_EXIT_CODE);
-}
+ VA_OPEN (ap, msgid);
+ VA_FIXEDARG (ap, cpp_reader *, pfile);
+ VA_FIXEDARG (ap, int, line);
+ VA_FIXEDARG (ap, int, column);
+ VA_FIXEDARG (ap, const char *, msgid);
-\f
-/*
- * my_strerror - return the descriptive text associated with an `errno' code.
- */
+ if (_cpp_begin_message (pfile, WARNING, line, column))
+ v_message (msgid, ap);
-char *
-my_strerror (errnum)
- int errnum;
-{
- char *result;
-
-#ifndef VMS
-#ifndef HAVE_STRERROR
- result = (char *) ((errnum < sys_nerr) ? sys_errlist[errnum] : 0);
-#else
- result = strerror (errnum);
-#endif
-#else /* VMS */
- /* VAXCRTL's strerror() takes an optional second argument, which only
- matters when the first argument is EVMSERR. However, it's simplest
- just to pass it unconditionally. `vaxc$errno' is declared in
- <errno.h>, and maintained by the library in parallel with `errno'.
- We assume that caller's `errnum' either matches the last setting of
- `errno' by the library or else does not have the value `EVMSERR'. */
-
- result = strerror (errnum, vaxc$errno);
-#endif
-
- if (!result)
- result = "undocumented I/O error";
-
- return result;
+ VA_CLOSE (ap);
}
-/* Error including a message from `errno'. */
-
void
-cpp_error_from_errno (pfile, name)
- cpp_reader *pfile;
- char *name;
+cpp_pedwarn VPARAMS ((cpp_reader * pfile, const char *msgid, ...))
{
- int i;
- cpp_buffer *ip = cpp_file_buffer (pfile);
+ VA_OPEN (ap, msgid);
+ VA_FIXEDARG (ap, cpp_reader *, pfile);
+ VA_FIXEDARG (ap, const char *, msgid);
+
+ if (_cpp_begin_message (pfile, PEDWARN, 0, 0))
+ v_message (msgid, ap);
- cpp_print_containing_files (pfile);
+ VA_CLOSE (ap);
+}
- if (ip != NULL)
- fprintf (stderr, "%s:%d: ", ip->nominal_fname, ip->lineno);
+void
+cpp_pedwarn_with_line VPARAMS ((cpp_reader * pfile, int line, int column,
+ const char *msgid, ...))
+{
+ VA_OPEN (ap, msgid);
+ VA_FIXEDARG (ap, cpp_reader *, pfile);
+ VA_FIXEDARG (ap, int, line);
+ VA_FIXEDARG (ap, int, column);
+ VA_FIXEDARG (ap, const char *, msgid);
- fprintf (stderr, "%s: %s\n", name, my_strerror (errno));
+ if (_cpp_begin_message (pfile, PEDWARN, line, column))
+ v_message (msgid, ap);
- pfile->errors++;
+ VA_CLOSE (ap);
}
+/* Print an error message not associated with a file. */
void
-cpp_perror_with_name (pfile, name)
- cpp_reader *pfile;
- char *name;
+cpp_notice VPARAMS ((cpp_reader *pfile, const char *msgid, ...))
{
- fprintf (stderr, "%s: ", progname);
- fprintf (stderr, "%s: %s\n", name, my_strerror (errno));
- pfile->errors++;
+ VA_OPEN (ap, msgid);
+ VA_FIXEDARG (ap, cpp_reader *, pfile);
+ VA_FIXEDARG (ap, const char *, msgid);
+
+ if (pfile->errors < CPP_FATAL_LIMIT)
+ pfile->errors++;
+
+ v_message (msgid, ap);
+
+ VA_CLOSE (ap);
}
void
-cpp_pfatal_with_name (pfile, name)
+cpp_notice_from_errno (pfile, name)
cpp_reader *pfile;
- char *name;
+ const char *name;
{
- cpp_perror_with_name (pfile, name);
-#ifdef VMS
- exit (vaxc$errno);
-#else
- exit (FAILURE_EXIT_CODE);
-#endif
+ if (name[0] == '\0')
+ name = "stdout";
+ cpp_notice (pfile, "%s: %s", name, xstrerror (errno));
}
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