/* 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,
+ 2001, 2002 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 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"
-#endif /* not EMACS */
-
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
#include "cpplib.h"
-#include <stdio.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)
+/* Print the logical file location (LINE, COL) in preparation for a
+ diagnostic. Outputs the #include chain if it has changed. A line
+ of zero suppresses the include stack, and outputs the program name
+ instead. */
+static void
+print_location (pfile, line, col)
cpp_reader *pfile;
+ unsigned int line, col;
{
- cpp_buffer *ip;
- int i;
- int first = 1;
+ if (!pfile->buffer || line == 0)
+ fprintf (stderr, "%s: ", progname);
+ else
+ {
+ const struct line_map *map;
+
+ map = lookup_line (&pfile->line_maps, line);
+ print_containing_files (&pfile->line_maps, map);
- /* If stack of files hasn't changed since we last printed
- this info, don't repeat it. */
- if (pfile->input_stack_listing_current)
- return;
+ line = SOURCE_LINE (map, line);
+ if (col == 0)
+ col = 1;
- ip = cpp_file_buffer (pfile);
+ 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);
- /* Give up if we don't find a source file. */
- if (ip == NULL)
- return;
+ fputc (' ', stderr);
+ }
+}
+
+/* Set up for a diagnostic: 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;
+ int code;
+ unsigned int line, column;
+{
+ int level = DL_EXTRACT (code);
- /* Find the other, outer source files. */
- while ((ip = CPP_PREV_BUFFER (ip)), ip != CPP_NULL_BUFFER (pfile))
+ switch (level)
{
- long line, col;
- cpp_buf_line_and_col (ip, &line, &col);
- if (ip->fname != NULL)
+ case DL_WARNING:
+ case DL_PEDWARN:
+ if (CPP_IN_SYSTEM_HEADER (pfile)
+ && ! CPP_OPTION (pfile, warn_system_headers))
+ return 0;
+ /* Fall through. */
+
+ case DL_WARNING_SYSHDR:
+ if (CPP_OPTION (pfile, warnings_are_errors)
+ || (level == DL_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;
+ level = DL_ERROR;
+ pfile->errors++;
}
-
- fprintf (stderr, " from %s:%d", ip->nominal_fname, line);
+ else if (CPP_OPTION (pfile, inhibit_warnings))
+ return 0;
+ break;
+
+ case DL_ERROR:
+ if (CPP_OPTION (pfile, inhibit_errors))
+ return 0;
+ /* ICEs cannot be inhibited. */
+ case DL_ICE:
+ pfile->errors++;
+ 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 (DL_WARNING_P (level))
+ fputs (_("warning: "), stderr);
+ else if (level == DL_ICE)
+ fputs (_("internal error: "), stderr);
+
+ return 1;
}
+/* 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)
+
+/* Exported interface. */
+
+/* Print an error at the location of the previously lexed token. */
void
-cpp_file_line_for_message (pfile, filename, line, column)
- cpp_reader *pfile;
- char *filename;
- int line, column;
+cpp_error VPARAMS ((cpp_reader * pfile, int level, const char *msgid, ...))
{
- if (column > 0)
- fprintf (stderr, "%s:%d:%d: ", filename, line, column);
+ unsigned int line, column;
+
+ VA_OPEN (ap, msgid);
+ VA_FIXEDARG (ap, cpp_reader *, pfile);
+ VA_FIXEDARG (ap, int, level);
+ VA_FIXEDARG (ap, const char *, msgid);
+
+ if (pfile->buffer)
+ {
+ if (CPP_OPTION (pfile, traditional))
+ {
+ if (pfile->state.in_directive)
+ line = pfile->directive_line;
+ else
+ line = pfile->line;
+ column = 0;
+ }
+ else
+ {
+ line = pfile->cur_token[-1].line;
+ column = pfile->cur_token[-1].col;
+ }
+ }
else
- fprintf (stderr, "%s:%d: ", filename, line);
-}
+ line = column = 0;
-/* IS_ERROR is 2 for "fatal" error, 1 for error, 0 for warning */
-void cpp_message (pfile, is_error, msg, arg1, arg2, arg3)
- int is_error;
- cpp_reader *pfile;
- char *msg;
- char *arg1, *arg2, *arg3;
-{
- 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++;
- fprintf (stderr, msg, arg1, arg2, arg3);
- fprintf (stderr, "\n");
-}
+ if (_cpp_begin_message (pfile, level, line, column))
+ v_message (msgid, 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. */
+ VA_CLOSE (ap);
+}
+/* Print an error at a specific location. */
void
-cpp_fatal (pfile, str, arg)
- cpp_reader *pfile;
- char *str, *arg;
+cpp_error_with_line VPARAMS ((cpp_reader *pfile, int level,
+ unsigned int line, unsigned int column,
+ const char *msgid, ...))
{
- fprintf (stderr, "%s: ", progname);
- cpp_message (pfile, 2, str, arg);
+ VA_OPEN (ap, msgid);
+ VA_FIXEDARG (ap, cpp_reader *, pfile);
+ VA_FIXEDARG (ap, int, level);
+ VA_FIXEDARG (ap, unsigned int, line);
+ VA_FIXEDARG (ap, unsigned int, column);
+ VA_FIXEDARG (ap, const char *, msgid);
+
+ if (_cpp_begin_message (pfile, level, line, column))
+ v_message (msgid, ap);
+
+ VA_CLOSE (ap);
}
-\f
+
void
-cpp_pfatal_with_name (pfile, name)
+cpp_errno (pfile, level, msgid)
cpp_reader *pfile;
- char *name;
+ int level;
+ const char *msgid;
{
- cpp_perror_with_name (pfile, name);
-#ifdef VMS
- exit (vaxc$errno);
-#else
- exit (FATAL_EXIT_CODE);
-#endif
+ if (msgid[0] == '\0')
+ msgid = _("stdout");
+
+ cpp_error (pfile, level, "%s: %s", msgid, xstrerror (errno));
}