1 /* Provide a call-back mechanism for handling error output.
2 Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc.
3 Contributed by Jason Merrill (jason@cygnus.com)
5 This file is part of GNU CC.
7 GNU CC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GNU CC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU CC; see the file COPYING. If not, write to
19 the Free Software Foundation, 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
27 /* cp_printer is the type of a function which converts an argument into
28 a string for digestion by printf. The cp_printer function should deal
29 with all memory management; the functions in this file will not free
30 the char*s returned. See error.c for an example use of this code. */
32 typedef char* cp_printer PROTO((HOST_WIDE_INT, int));
33 extern cp_printer * cp_printers[256];
35 /* Whether or not we should try to be quiet for errors and warnings; this is
36 used to avoid being too talkative about problems with tentative choices
37 when we're computing the conversion costs for a method call. */
40 typedef void errorfn (); /* deliberately vague */
42 extern char* cp_file_of PROTO((tree));
43 extern int cp_line_of PROTO((tree));
45 #define STRDUP(f) (ap = (char *) alloca (strlen (f) +1), strcpy (ap, (f)), ap)
48 #define arglist a1, a2, a3, a4, a5
49 #define arglist_dcl HOST_WIDE_INT a1, a2, a3, a4, a5;
51 args[0] = a1; args[1] = a2; args[2] = a3; args[3] = a4; args[4] = a5;
52 #define ARGSLIST args[0], args[1], args[2], args[3], args[4]
55 cp_thing (errfn, atarg1, format, arglist)
65 HOST_WIDE_INT atarg = atarg1 ? a1 : 0;
66 HOST_WIDE_INT args[NARGS];
71 for (f = fmt, arg = 0; *f; ++f)
73 cp_printer * function;
78 if (*f != '%') continue;
85 /* ignore most flags */
86 while (*f == ' ' || *f == '-' || *f == '+' || *f == '#')
95 /* ignore field width */
105 /* ignore precision */
123 function = cp_printers[(int)*f];
129 if (arg >= NARGS) abort ();
131 if (maybe_here && atarg1)
134 /* Must use a temporary to avoid calling *function twice */
135 p = (*function) (args[arg], alternate);
136 args[arg] = (HOST_WIDE_INT) STRDUP(p);
140 ++arg; /* Assume valid format string */
146 char *file = cp_file_of ((tree) atarg);
147 int line = cp_line_of ((tree) atarg);
148 (*errfn) (file, line, fmt, ARGSLIST);
151 (*errfn) (fmt, ARGSLIST);
156 cp_error (format, arglist)
160 extern errorfn error;
162 cp_thing (error, 0, format, arglist);
166 cp_warning (format, arglist)
170 extern errorfn warning;
172 cp_thing (warning, 0, format, arglist);
176 cp_pedwarn (format, arglist)
181 cp_thing ((errorfn *) pedwarn, 0, format, arglist);
185 cp_compiler_error (format, arglist)
189 extern errorfn compiler_error;
191 cp_thing (compiler_error, 0, format, arglist);
195 cp_sprintf (format, arglist)
199 cp_thing ((errorfn *) sprintf, 0, format, arglist);
203 cp_error_at (format, arglist)
208 cp_thing ((errorfn *) error_with_file_and_line, 1, format, arglist);
212 cp_warning_at (format, arglist)
217 cp_thing ((errorfn *) warning_with_file_and_line, 1, format, arglist);
221 cp_pedwarn_at (format, arglist)
226 cp_thing ((errorfn *) pedwarn_with_file_and_line, 1, format, arglist);