/* Default error handlers for CPP Library. 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 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 2, 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; if not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 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 "cpphash.h" #include "intl.h" static void print_containing_files PARAMS ((cpp_reader *, cpp_buffer *)); static void print_file_and_line PARAMS ((const char *, unsigned int, unsigned int)); static void v_message PARAMS ((cpp_reader *, int, const char *, unsigned int, unsigned int, const char *, va_list)); /* Print the file names and line numbers of the #include commands which led to the current file. */ static void print_containing_files (pfile, ip) cpp_reader *pfile; cpp_buffer *ip; { int first = 1; /* If stack of files hasn't changed since we last printed this info, don't repeat it. */ if (pfile->input_stack_listing_current) return; /* Find the other, outer source files. */ for (ip = CPP_PREV_BUFFER (ip); ip != NULL; ip = CPP_PREV_BUFFER (ip)) { if (first) { first = 0; /* N.B. The current line in each outer source file is one greater than the line of the #include, so we must subtract one to correct for that. */ fprintf (stderr, _("In file included from %s:%u"), ip->nominal_fname, CPP_BUF_LINE (ip) - 1); } else /* Translators note: this message is used in conjunction with "In file included from %s:%ld" and some other tricks. We want something like this: | In file included from sys/select.h:123, | from sys/types.h:234, | from userfile.c:31: | bits/select.h:45: with all the "from"s lined up. The trailing comma is at the beginning of this message, and the trailing colon is not translated. */ fprintf (stderr, _(",\n from %s:%u"), ip->nominal_fname, CPP_BUF_LINE (ip) - 1); } if (first == 0) fputs (":\n", stderr); /* Record we have printed the status as of this time. */ pfile->input_stack_listing_current = 1; } static void print_file_and_line (filename, line, column) const char *filename; unsigned int line, column; { if (filename == 0 || *filename == '\0') filename = ""; if (line == 0) fputs (_(": "), stderr); else if (column > 0) fprintf (stderr, "%s:%u:%u: ", filename, line, column); else fprintf (stderr, "%s:%u: ", filename, line); } /* IS_ERROR is 3 for ICE, 2 for merely "fatal" error, 1 for error, 0 for warning. */ static void v_message (pfile, is_error, file, line, col, msg, ap) cpp_reader *pfile; int is_error; const char *file; unsigned int line; unsigned int col; const char *msg; va_list ap; { cpp_buffer *ip = CPP_BUFFER (pfile); if (ip) { if (file == NULL) file = ip->nominal_fname; if (line == 0) line = _cpp_get_line (pfile, &col); print_containing_files (pfile, ip); print_file_and_line (file, line, CPP_OPTION (pfile, show_column) ? col : 0); } else fprintf (stderr, "%s: ", progname); switch (is_error) { case 0: if (! CPP_OPTION (pfile, warnings_are_errors)) { fprintf (stderr, _("warning: ")); break; } /* else fall through */ case 1: if (pfile->errors < CPP_FATAL_LIMIT) pfile->errors++; break; case 2: pfile->errors = CPP_FATAL_LIMIT; break; case 3: fprintf (stderr, _("internal error: ")); pfile->errors = CPP_FATAL_LIMIT; break; default: cpp_ice (pfile, "bad is_error(%d) in v_message", is_error); } vfprintf (stderr, _(msg), ap); putc ('\n', stderr); } /* 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, ...)) { #ifndef ANSI_PROTOTYPES cpp_reader *pfile; const char *msgid; #endif va_list ap; VA_START (ap, msgid); #ifndef ANSI_PROTOTYPES pfile = va_arg (ap, cpp_reader *); msgid = va_arg (ap, const char *); #endif v_message (pfile, 3, NULL, 0, 0, msgid, ap); va_end(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, ...)) { #ifndef ANSI_PROTOTYPES cpp_reader *pfile; const char *msgid; #endif va_list ap; VA_START (ap, msgid); #ifndef ANSI_PROTOTYPES pfile = va_arg (ap, cpp_reader *); msgid = va_arg (ap, const char *); #endif v_message (pfile, 2, NULL, 0, 0, msgid, ap); va_end(ap); } void cpp_error VPARAMS ((cpp_reader * pfile, const char *msgid, ...)) { #ifndef ANSI_PROTOTYPES cpp_reader *pfile; const char *msgid; #endif va_list ap; VA_START(ap, msgid); #ifndef ANSI_PROTOTYPES pfile = va_arg (ap, cpp_reader *); msgid = va_arg (ap, const char *); #endif if (CPP_OPTION (pfile, inhibit_errors)) return; v_message (pfile, 1, NULL, 0, 0, msgid, ap); va_end(ap); } void cpp_error_with_line VPARAMS ((cpp_reader *pfile, int line, int column, const char *msgid, ...)) { #ifndef ANSI_PROTOTYPES cpp_reader *pfile; int line; int column; const char *msgid; #endif va_list ap; VA_START (ap, msgid); #ifndef ANSI_PROTOTYPES pfile = va_arg (ap, cpp_reader *); line = va_arg (ap, int); column = va_arg (ap, int); msgid = va_arg (ap, const char *); #endif if (CPP_OPTION (pfile, inhibit_errors)) return; v_message (pfile, 1, NULL, line, column, msgid, ap); va_end(ap); } /* Error including a message from `errno'. */ void cpp_error_from_errno (pfile, name) cpp_reader *pfile; const char *name; { cpp_error (pfile, "%s: %s", name, xstrerror (errno)); } void cpp_warning VPARAMS ((cpp_reader * pfile, const char *msgid, ...)) { #ifndef ANSI_PROTOTYPES cpp_reader *pfile; const char *msgid; #endif va_list ap; VA_START (ap, msgid); #ifndef ANSI_PROTOTYPES pfile = va_arg (ap, cpp_reader *); msgid = va_arg (ap, const char *); #endif if (CPP_OPTION (pfile, inhibit_warnings)) return; v_message (pfile, 0, NULL, 0, 0, msgid, ap); va_end(ap); } void cpp_warning_with_line VPARAMS ((cpp_reader * pfile, int line, int column, const char *msgid, ...)) { #ifndef ANSI_PROTOTYPES cpp_reader *pfile; int line; int column; const char *msgid; #endif va_list ap; VA_START (ap, msgid); #ifndef ANSI_PROTOTYPES pfile = va_arg (ap, cpp_reader *); line = va_arg (ap, int); column = va_arg (ap, int); msgid = va_arg (ap, const char *); #endif if (CPP_OPTION (pfile, inhibit_warnings)) return; v_message (pfile, 0, NULL, line, column, msgid, ap); va_end(ap); } void cpp_pedwarn VPARAMS ((cpp_reader * pfile, const char *msgid, ...)) { #ifndef ANSI_PROTOTYPES cpp_reader *pfile; const char *msgid; #endif va_list ap; VA_START (ap, msgid); #ifndef ANSI_PROTOTYPES pfile = va_arg (ap, cpp_reader *); msgid = va_arg (ap, const char *); #endif if (CPP_OPTION (pfile, pedantic_errors) ? CPP_OPTION (pfile, inhibit_errors) : CPP_OPTION (pfile, inhibit_warnings)) return; v_message (pfile, CPP_OPTION (pfile, pedantic_errors), NULL, 0, 0, msgid, ap); va_end(ap); } void cpp_pedwarn_with_line VPARAMS ((cpp_reader * pfile, int line, int column, const char *msgid, ...)) { #ifndef ANSI_PROTOTYPES cpp_reader *pfile; int line; int column; const char *msgid; #endif va_list ap; VA_START (ap, msgid); #ifndef ANSI_PROTOTYPES pfile = va_arg (ap, cpp_reader *); line = va_arg (ap, int); column = va_arg (ap, int); msgid = va_arg (ap, const char *); #endif if (CPP_OPTION (pfile, pedantic_errors) ? CPP_OPTION (pfile, inhibit_errors) : CPP_OPTION (pfile, inhibit_warnings)) return; v_message (pfile, CPP_OPTION (pfile, pedantic_errors), NULL, line, column, msgid, ap); va_end(ap); } /* Report a warning (or an error if pedantic_errors) giving specified file name and line number, not current. */ void cpp_pedwarn_with_file_and_line VPARAMS ((cpp_reader *pfile, const char *file, int line, int col, const char *msgid, ...)) { #ifndef ANSI_PROTOTYPES cpp_reader *pfile; const char *file; int line; int col; const char *msgid; #endif va_list ap; VA_START (ap, msgid); #ifndef ANSI_PROTOTYPES pfile = va_arg (ap, cpp_reader *); file = va_arg (ap, const char *); line = va_arg (ap, int); col = va_arg (ap, int); msgid = va_arg (ap, const char *); #endif if (CPP_OPTION (pfile, pedantic_errors) ? CPP_OPTION (pfile, inhibit_errors) : CPP_OPTION (pfile, inhibit_warnings)) return; v_message (pfile, CPP_OPTION (pfile, pedantic_errors), file, line, col, msgid, ap); va_end(ap); } /* Print an error message not associated with a file. */ void cpp_notice VPARAMS ((cpp_reader *pfile, const char *msgid, ...)) { #ifndef ANSI_PROTOTYPES cpp_reader *pfile; const char *msgid; #endif va_list ap; VA_START (ap, msgid); #ifndef ANSI_PROTOTYPES pfile = va_arg (ap, cpp_reader *); msgid = va_arg (ap, const char *); #endif if (pfile->errors < CPP_FATAL_LIMIT) pfile->errors++; vfprintf (stderr, _(msgid), ap); putc('\n', stderr); va_end(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)); }