/* Default error handlers for CPP Library.
- Copyright (C) 1986, 87, 89, 92-95, 98, 1999 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"
-#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 *,
+ const cpp_lexer_pos *));
-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, pos)
cpp_reader *pfile;
+ const cpp_lexer_pos *pos;
{
- 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
+ {
+ unsigned int line, col;
+ const struct line_map *map;
- ip = cpp_file_buffer (pfile);
+ if (pos == 0)
+ pos = cpp_get_line (pfile);
+ map = lookup_line (&pfile->line_maps, pos->line);
- /* Give up if we don't find a source file. */
- if (ip == NULL)
- return;
+ print_containing_files (&pfile->line_maps, map);
- /* Find the other, outer source files. */
- while ((ip = CPP_PREV_BUFFER (ip)), ip != CPP_NULL_BUFFER (pfile))
- {
- long line, col;
- cpp_buf_line_and_col (ip, &line, &col);
- if (ip->fname != NULL)
- {
- if (first)
- {
- first = 0;
- cpp_notice ("In file included from ");
- }
- else
- cpp_notice (",\n from ");
- }
+ line = SOURCE_LINE (map, pos->line);
+ col = pos->col;
+ if (col == 0)
+ col = 1;
- fprintf (stderr, " from %s:%ld", ip->nominal_fname, line);
- }
- if (! first)
- fprintf (stderr, ":\n");
-
- /* Record we have printed the status as of this time. */
- pfile->input_stack_listing_current = 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);
-void
-cpp_file_line_for_message (pfile, filename, line, column)
- cpp_reader *pfile ATTRIBUTE_UNUSED;
- char *filename;
- int line, column;
-{
- if (column > 0)
- fprintf (stderr, "%s:%d:%d: ", filename, line, column);
- else
- fprintf (stderr, "%s:%d: ", filename, line);
+ fputc (' ', stderr);
+ }
}
-/* IS_ERROR is 2 for "fatal" error, 1 for error, 0 for warning, -1 for notice */
+/* Set up for an error message: print the file and line, bump the error
+ counter, etc.
+ If it returns 0, this error has been suppressed. */
-void
-v_cpp_message (pfile, is_error, msgid, ap)
- cpp_reader * pfile;
- int is_error;
- const char *msgid;
- va_list ap;
+int
+_cpp_begin_message (pfile, code, pos)
+ cpp_reader *pfile;
+ enum error_type code;
+ const cpp_lexer_pos *pos;
{
- switch (is_error)
+ int is_warning = 0;
+
+ switch (code)
{
- case -1:
- break;
- case 0:
- fprintf (stderr, _("warning: "));
+ 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
+ {
+ if (CPP_OPTION (pfile, inhibit_warnings))
+ return 0;
+ is_warning = 1;
+ }
break;
- case 1:
+
+ case ERROR:
+ if (CPP_OPTION (pfile, inhibit_errors))
+ return 0;
if (pfile->errors < CPP_FATAL_LIMIT)
pfile->errors++;
break;
- case 2:
+ /* 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;
- default:
- abort ();
}
- vfprintf (stderr, _(msgid), ap);
+ print_location (pfile, pos);
+ if (is_warning)
+ fputs (_("warning: "), stderr);
- if (0 <= is_error)
- fprintf (stderr, "\n");
+ return 1;
}
+/* Exported interface. */
+
+/* For reporting internal errors. Prints "internal error: " for you,
+ otherwise identical to cpp_fatal. */
+
void
-cpp_message VPROTO ((cpp_reader *pfile, int is_error, const char *msgid, ...))
-{
-#ifndef ANSI_PROTOTYPES
- cpp_reader *pfile;
- int is_error;
- const char *msgid;
-#endif
- va_list ap;
-
- VA_START (ap, msgid);
-
-#ifndef ANSI_PROTOTYPES
- pfile = va_arg (ap, cpp_reader *);
- is_error = va_arg (ap, int);
- msgid = va_arg (ap, const char *);
-#endif
-
- v_cpp_message(pfile, is_error, msgid, ap);
- va_end(ap);
+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))
+ v_message (msgid, ap);
+
+ VA_CLOSE (ap);
}
/* Same as cpp_error, except we consider the error to be "fatal",
CPP_FATAL_ERRORS. */
void
-cpp_fatal VPROTO ((cpp_reader *pfile, const char *msgid, ...))
+cpp_fatal VPARAMS ((cpp_reader *pfile, const char *msgid, ...))
{
-#ifndef ANSI_PROTOTYPES
- cpp_reader *pfile;
- const char *msgid;
-#endif
- va_list ap;
-
- VA_START (ap, msgid);
+ VA_OPEN (ap, msgid);
+ VA_FIXEDARG (ap, cpp_reader *, pfile);
+ VA_FIXEDARG (ap, const char *, msgid);
+
+ if (_cpp_begin_message (pfile, FATAL, 0))
+ v_message (msgid, ap);
+
+ VA_CLOSE (ap);
+}
+
+void
+cpp_error 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, ERROR, 0))
+ v_message (msgid, ap);
+
+ VA_CLOSE (ap);
+}
+
+void
+cpp_error_with_line VPARAMS ((cpp_reader *pfile, int line, int column,
+ const char *msgid, ...))
+{
+ cpp_lexer_pos pos;
-#ifndef ANSI_PROTOTYPES
- pfile = va_arg (ap, cpp_reader *);
- msgid = va_arg (ap, const char *);
-#endif
-
- fprintf (stderr, "%s: ", progname);
- v_cpp_message (pfile, 2, msgid, ap);
- va_end(ap);
+ 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);
+
+ pos.line = line;
+ pos.col = column;
+ if (_cpp_begin_message (pfile, ERROR, &pos))
+ v_message (msgid, ap);
+
+ VA_CLOSE (ap);
}
-\f
+
+/* Error including a message from `errno'. */
void
-cpp_pfatal_with_name (pfile, name)
+cpp_error_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
+ cpp_error (pfile, "%s: %s", name, xstrerror (errno));
}
-/* Print an error message. */
+void
+cpp_warning 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, WARNING, 0))
+ v_message (msgid, ap);
+
+ VA_CLOSE (ap);
+}
void
-cpp_notice VPROTO ((const char *msgid, ...))
-{
-#ifndef ANSI_PROTOTYPES
- const char *msgid;
-#endif
- va_list ap;
-
- VA_START (ap, msgid);
+cpp_warning_with_line VPARAMS ((cpp_reader * pfile, int line, int column,
+ const char *msgid, ...))
+{
+ cpp_lexer_pos pos;
+
+ 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);
+
+ pos.line = line;
+ pos.col = column;
+ if (_cpp_begin_message (pfile, WARNING, &pos))
+ v_message (msgid, ap);
+
+ VA_CLOSE (ap);
+}
+
+void
+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))
+ v_message (msgid, ap);
+
+ VA_CLOSE (ap);
+}
+
+void
+cpp_pedwarn_with_line VPARAMS ((cpp_reader * pfile, int line, int column,
+ const char *msgid, ...))
+{
+ cpp_lexer_pos pos;
-#ifndef ANSI_PROTOTYPES
- msgid = va_arg (ap, const char *);
-#endif
+ 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);
+
+ pos.line = line;
+ pos.col = column;
+ if (_cpp_begin_message (pfile, PEDWARN, &pos))
+ v_message (msgid, ap);
- fprintf (stderr, "%s: ", progname);
- v_cpp_message ((cpp_reader *) 0, -1, msgid, ap);
- va_end(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);
+}
+
+void
+cpp_notice_from_errno (pfile, name)
+ cpp_reader *pfile;
+ const char *name;
+{
+ if (name[0] == '\0')
+ name = "stdout";
+ cpp_notice (pfile, "%s: %s", name, xstrerror (errno));
}
-\f