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jeremybenn |
/* Default error handlers for CPP Library.
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Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1998, 1999, 2000,
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2001, 2002, 2004, 2008, 2009 Free Software Foundation, Inc.
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Written by Per Bothner, 1994.
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Based on CCCP program by Paul Rubin, June 1986
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Adapted to ANSI C, Richard Stallman, Jan 1987
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 3, or (at your option) any
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later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>.
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In other words, you are welcome to use, share and improve this program.
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You are forbidden to forbid anyone else to use, share and improve
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what you give them. Help stamp out software-hoarding! */
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#include "config.h"
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#include "system.h"
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#include "cpplib.h"
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#include "internal.h"
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/* Print an error at the location of the previously lexed token. */
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bool
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cpp_error (cpp_reader * pfile, int level, const char *msgid, ...)
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{
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source_location src_loc;
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va_list ap;
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bool ret;
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va_start (ap, msgid);
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if (CPP_OPTION (pfile, traditional))
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{
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if (pfile->state.in_directive)
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src_loc = pfile->directive_line;
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else
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src_loc = pfile->line_table->highest_line;
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}
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/* We don't want to refer to a token before the beginning of the
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current run -- that is invalid. */
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else if (pfile->cur_token == pfile->cur_run->base)
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{
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if (pfile->cur_run->prev != NULL)
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src_loc = pfile->cur_run->prev->limit->src_loc;
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else
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src_loc = 0;
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}
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else
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{
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src_loc = pfile->cur_token[-1].src_loc;
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}
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if (!pfile->cb.error)
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abort ();
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ret = pfile->cb.error (pfile, level, src_loc, 0, _(msgid), &ap);
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va_end (ap);
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return ret;
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}
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/* Print an error at a specific location. */
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bool
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cpp_error_with_line (cpp_reader *pfile, int level,
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source_location src_loc, unsigned int column,
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const char *msgid, ...)
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{
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va_list ap;
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bool ret;
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va_start (ap, msgid);
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if (!pfile->cb.error)
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abort ();
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ret = pfile->cb.error (pfile, level, src_loc, column, _(msgid), &ap);
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va_end (ap);
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return ret;
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}
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bool
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cpp_errno (cpp_reader *pfile, int level, const char *msgid)
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{
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if (msgid[0] == '\0')
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msgid = _("stdout");
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return cpp_error (pfile, level, "%s: %s", msgid, xstrerror (errno));
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}
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