/* Default error handlers for CPP Library.
- Copyright (C) 1986, 87, 89, 92 - 95, 1998 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 Paul Rubin, June 1986
Adapted to ANSI C, Richard Stallman, Jan 1987
You are forbidden to forbid anyone else to use, share and improve
what you give them. Help stamp out software-hoarding! */
-#ifndef EMACS
#include "config.h"
#include "system.h"
-#include "gansidecl.h"
-#else
-#include <stdio.h>
-#endif /* not EMACS */
-
#include "cpplib.h"
+#include "cpphash.h"
+#include "intl.h"
-/* Print the file names and line numbers of the #include
- commands which led to the current file. */
+static void print_location PARAMS ((cpp_reader *, unsigned int, unsigned int));
-void
-cpp_print_containing_files (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)
+
+static void
+print_location (pfile, line, col)
cpp_reader *pfile;
+ unsigned int line, col;
{
- cpp_buffer *ip;
- int first = 1;
+ cpp_buffer *buffer = pfile->buffer;
- /* If stack of files hasn't changed since we last printed
- this info, don't repeat it. */
- if (pfile->input_stack_listing_current)
- return;
+ if (!buffer)
+ fprintf (stderr, "%s: ", progname);
+ else
+ {
+ const struct line_map *map;
- ip = cpp_file_buffer (pfile);
+ if (line == 0)
+ {
+ line = pfile->cur_token[-1].line;
+ col = pfile->cur_token[-1].col;
+ }
+
+ map = lookup_line (&pfile->line_maps, line);
+ print_containing_files (&pfile->line_maps, map);
+
+ line = SOURCE_LINE (map, line);
+ if (col == 0)
+ col = 1;
- /* Give up if we don't find a source file. */
- if (ip == NULL)
- return;
+ 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);
- /* Find the other, outer source files. */
- while ((ip = CPP_PREV_BUFFER (ip)), ip != CPP_NULL_BUFFER (pfile))
+ fputc (' ', stderr);
+ }
+}
+
+/* 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;
+{
+ int is_warning = 0;
+
+ switch (code)
{
- long line, col;
- cpp_buf_line_and_col (ip, &line, &col);
- if (ip->fname != NULL)
+ 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 (first)
- {
- first = 0;
- fprintf (stderr, "In file included");
- }
- else
- fprintf (stderr, ",\n ");
+ if (CPP_OPTION (pfile, inhibit_errors))
+ return 0;
+ if (pfile->errors < CPP_FATAL_LIMIT)
+ pfile->errors++;
}
-
- fprintf (stderr, " from %s:%ld", ip->nominal_fname, line);
+ else
+ {
+ 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;
}
- if (! first)
- fprintf (stderr, ":\n");
- /* Record we have printed the status as of this time. */
- pfile->input_stack_listing_current = 1;
+ print_location (pfile, line, column);
+ if (is_warning)
+ fputs (_("warning: "), stderr);
+
+ return 1;
+}
+
+/* Exported interface. */
+
+/* For reporting internal errors. Prints "internal error: " for you,
+ otherwise identical to cpp_fatal. */
+
+void
+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_begin_message (pfile, ICE, 0, 0))
+ v_message (msgid, ap);
+
+ VA_CLOSE (ap);
+}
+
+/* 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. */
+
+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 (_cpp_begin_message (pfile, FATAL, 0, 0))
+ v_message (msgid, ap);
+
+ VA_CLOSE (ap);
}
void
-cpp_file_line_for_message (pfile, filename, line, column)
- cpp_reader *pfile ATTRIBUTE_UNUSED;
- char *filename;
- int line, column;
+cpp_error VPARAMS ((cpp_reader * pfile, const char *msgid, ...))
{
- if (column > 0)
- fprintf (stderr, "%s:%d:%d: ", filename, line, column);
- else
- fprintf (stderr, "%s:%d: ", filename, line);
+ VA_OPEN (ap, msgid);
+ VA_FIXEDARG (ap, cpp_reader *, pfile);
+ VA_FIXEDARG (ap, const char *, msgid);
+
+ if (_cpp_begin_message (pfile, ERROR, 0, 0))
+ v_message (msgid, ap);
+
+ VA_CLOSE (ap);
}
-/* IS_ERROR is 2 for "fatal" error, 1 for error, 0 for warning */
+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);
+
+ if (_cpp_begin_message (pfile, ERROR, line, column))
+ v_message (msgid, ap);
+ VA_CLOSE (ap);
+}
+
+/* Error including a message from `errno'. */
void
-v_cpp_message (pfile, is_error, msg, ap)
- cpp_reader * pfile;
- int is_error;
- const char *msg;
- va_list ap;
+cpp_error_from_errno (pfile, name)
+ cpp_reader *pfile;
+ const char *name;
{
- if (!is_error)
- fprintf (stderr, "warning: ");
- else if (is_error == 2)
- pfile->errors = CPP_FATAL_LIMIT;
- else if (pfile->errors < CPP_FATAL_LIMIT)
- pfile->errors++;
- vfprintf (stderr, msg, ap);
- fprintf (stderr, "\n");
+ cpp_error (pfile, "%s: %s", name, xstrerror (errno));
}
void
-cpp_message VPROTO ((cpp_reader *pfile, int is_error, const char *msg, ...))
+cpp_warning VPARAMS ((cpp_reader * pfile, const char *msgid, ...))
{
-#ifndef __STDC__
- cpp_reader *pfile;
- int is_error;
- const char *msg;
-#endif
- va_list ap;
-
- VA_START (ap, msg);
-
-#ifndef __STDC__
- pfile = va_arg (ap, cpp_reader *);
- is_error = va_arg (ap, int);
- msg = va_arg (ap, const char *);
-#endif
-
- v_cpp_message(pfile, is_error, msg, ap);
- va_end(ap);
+ VA_OPEN (ap, msgid);
+ VA_FIXEDARG (ap, cpp_reader *, pfile);
+ VA_FIXEDARG (ap, const char *, msgid);
+
+ if (_cpp_begin_message (pfile, WARNING, 0, 0))
+ v_message (msgid, ap);
+
+ VA_CLOSE (ap);
}
-/* 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. */
+void
+cpp_warning_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);
+
+ if (_cpp_begin_message (pfile, WARNING, line, column))
+ v_message (msgid, ap);
+
+ VA_CLOSE (ap);
+}
void
-cpp_fatal VPROTO ((cpp_reader *pfile, const char *str, ...))
-{
-#ifndef __STDC__
- cpp_reader *pfile;
- const char *str;
-#endif
- va_list ap;
-
- VA_START (ap, str);
-
-#ifndef __STDC__
- pfile = va_arg (ap, cpp_reader *);
- str = va_arg (ap, const char *);
-#endif
-
- fprintf (stderr, "%s: ", progname);
- v_cpp_message (pfile, 2, str, ap);
- va_end(ap);
+cpp_pedwarn 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_begin_message (pfile, PEDWARN, 0, 0))
+ v_message (msgid, ap);
+
+ VA_CLOSE (ap);
+}
+
+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);
+
+ if (_cpp_begin_message (pfile, PEDWARN, line, column))
+ v_message (msgid, ap);
+
+ VA_CLOSE (ap);
+}
+
+/* Print an error message not associated with a file. */
+void
+cpp_notice VPARAMS ((cpp_reader *pfile, const char *msgid, ...))
+{
+ 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);
}
-\f
+
void
-cpp_pfatal_with_name (pfile, name)
+cpp_notice_from_errno (pfile, name)
cpp_reader *pfile;
const char *name;
{
- cpp_perror_with_name (pfile, name);
-#ifdef VMS
- exit (vaxc$errno);
-#else
- exit (FATAL_EXIT_CODE);
-#endif
+ if (name[0] == '\0')
+ name = "stdout";
+ cpp_notice (pfile, "%s: %s", name, xstrerror (errno));
}