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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libcpp/] [errors.c] - Rev 861
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/* Default error handlers for CPP Library. Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001, 2002, 2004, 2008, 2009, 2010 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 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; see the file COPYING3. If not see <http://www.gnu.org/licenses/>. 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 "internal.h" /* Print a diagnostic at the location of the previously lexed token. */ ATTRIBUTE_FPTR_PRINTF(4,0) static bool cpp_diagnostic (cpp_reader * pfile, int level, int reason, const char *msgid, va_list *ap) { source_location src_loc; bool ret; if (CPP_OPTION (pfile, traditional)) { if (pfile->state.in_directive) src_loc = pfile->directive_line; else src_loc = pfile->line_table->highest_line; } /* We don't want to refer to a token before the beginning of the current run -- that is invalid. */ else if (pfile->cur_token == pfile->cur_run->base) { if (pfile->cur_run->prev != NULL) src_loc = pfile->cur_run->prev->limit->src_loc; else src_loc = 0; } else { src_loc = pfile->cur_token[-1].src_loc; } if (!pfile->cb.error) abort (); ret = pfile->cb.error (pfile, level, reason, src_loc, 0, _(msgid), ap); return ret; } /* Print a warning or error, depending on the value of LEVEL. */ bool cpp_error (cpp_reader * pfile, int level, const char *msgid, ...) { va_list ap; bool ret; va_start (ap, msgid); ret = cpp_diagnostic (pfile, level, CPP_W_NONE, msgid, &ap); va_end (ap); return ret; } /* Print a warning. The warning reason may be given in REASON. */ bool cpp_warning (cpp_reader * pfile, int reason, const char *msgid, ...) { va_list ap; bool ret; va_start (ap, msgid); ret = cpp_diagnostic (pfile, CPP_DL_WARNING, reason, msgid, &ap); va_end (ap); return ret; } /* Print a pedantic warning. The warning reason may be given in REASON. */ bool cpp_pedwarning (cpp_reader * pfile, int reason, const char *msgid, ...) { va_list ap; bool ret; va_start (ap, msgid); ret = cpp_diagnostic (pfile, CPP_DL_PEDWARN, reason, msgid, &ap); va_end (ap); return ret; } /* Print a warning, including system headers. The warning reason may be given in REASON. */ bool cpp_warning_syshdr (cpp_reader * pfile, int reason, const char *msgid, ...) { va_list ap; bool ret; va_start (ap, msgid); ret = cpp_diagnostic (pfile, CPP_DL_WARNING_SYSHDR, reason, msgid, &ap); va_end (ap); return ret; } /* Print a diagnostic at a specific location. */ ATTRIBUTE_FPTR_PRINTF(6,0) static bool cpp_diagnostic_with_line (cpp_reader * pfile, int level, int reason, source_location src_loc, unsigned int column, const char *msgid, va_list *ap) { bool ret; if (!pfile->cb.error) abort (); ret = pfile->cb.error (pfile, level, reason, src_loc, column, _(msgid), ap); return ret; } /* Print a warning or error, depending on the value of LEVEL. */ bool cpp_error_with_line (cpp_reader *pfile, int level, source_location src_loc, unsigned int column, const char *msgid, ...) { va_list ap; bool ret; va_start (ap, msgid); ret = cpp_diagnostic_with_line (pfile, level, CPP_W_NONE, src_loc, column, msgid, &ap); va_end (ap); return ret; } /* Print a warning. The warning reason may be given in REASON. */ bool cpp_warning_with_line (cpp_reader *pfile, int reason, source_location src_loc, unsigned int column, const char *msgid, ...) { va_list ap; bool ret; va_start (ap, msgid); ret = cpp_diagnostic_with_line (pfile, CPP_DL_WARNING, reason, src_loc, column, msgid, &ap); va_end (ap); return ret; } /* Print a pedantic warning. The warning reason may be given in REASON. */ bool cpp_pedwarning_with_line (cpp_reader *pfile, int reason, source_location src_loc, unsigned int column, const char *msgid, ...) { va_list ap; bool ret; va_start (ap, msgid); ret = cpp_diagnostic_with_line (pfile, CPP_DL_PEDWARN, reason, src_loc, column, msgid, &ap); va_end (ap); return ret; } /* Print a warning, including system headers. The warning reason may be given in REASON. */ bool cpp_warning_with_line_syshdr (cpp_reader *pfile, int reason, source_location src_loc, unsigned int column, const char *msgid, ...) { va_list ap; bool ret; va_start (ap, msgid); ret = cpp_diagnostic_with_line (pfile, CPP_DL_WARNING_SYSHDR, reason, src_loc, column, msgid, &ap); va_end (ap); return ret; } /* Print a warning or error, depending on the value of LEVEL. Include information from errno. */ bool cpp_errno (cpp_reader *pfile, int level, const char *msgid) { if (msgid[0] == '\0') msgid = _("stdout"); return cpp_error (pfile, level, "%s: %s", msgid, xstrerror (errno)); }
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