/* Declaration for error-reporting function for Bison.
- Copyright (C) 2000, 2001, 2002, 2006 Free Software Foundation, Inc.
- 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.
+ Copyright (C) 2000-2002, 2006, 2009-2013 Free Software Foundation,
+ Inc.
+
+ 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 of the License, 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
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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
- USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef COMPLAIN_H_
# define COMPLAIN_H_ 1
# include "location.h"
-# ifdef __cplusplus
-extern "C" {
-# endif
-
-/** Informative messages, but we proceed. */
-
-void warn (char const *format, ...)
- __attribute__ ((__format__ (__printf__, 1, 2)));
-
-void warn_at (location loc, char const *format, ...)
- __attribute__ ((__format__ (__printf__, 2, 3)));
-
-/** An error, but we continue and die later. */
-
-void complain (char const *format, ...)
- __attribute__ ((__format__ (__printf__, 1, 2)));
-
-void complain_at (location loc, char const *format, ...)
- __attribute__ ((__format__ (__printf__, 2, 3)));
-
-/** A fatal error, causing immediate exit. */
-
-void fatal (char const *format, ...)
- __attribute__ ((__noreturn__, __format__ (__printf__, 1, 2)));
-
-void fatal_at (location loc, char const *format, ...)
- __attribute__ ((__noreturn__, __format__ (__printf__, 2, 3)));
+/* Sub-messages indent. */
+# define SUB_INDENT (4)
+
+/*-------------.
+| --warnings. |
+`-------------*/
+
+/** The bits assigned to each warning type. */
+typedef enum
+ {
+ warning_midrule_values, /**< Unset or unused midrule values. */
+ warning_yacc, /**< POSIXME. */
+ warning_conflicts_sr, /**< S/R conflicts. */
+ warning_conflicts_rr, /**< R/R conflicts. */
+ warning_deprecated, /**< Obsolete constructs. */
+ warning_precedence, /**< Useless precedence and associativity. */
+ warning_other, /**< All other warnings. */
+
+ warnings_size /**< The number of warnings. Must be last. */
+ } warning_bit;
+
+typedef enum
+ {
+ /**< Issue no warnings. */
+ Wnone = 0,
+
+ Wmidrule_values = 1 << warning_midrule_values,
+ Wyacc = 1 << warning_yacc,
+ Wconflicts_sr = 1 << warning_conflicts_sr,
+ Wconflicts_rr = 1 << warning_conflicts_rr,
+ Wdeprecated = 1 << warning_deprecated,
+ Wprecedence = 1 << warning_precedence,
+ Wother = 1 << warning_other,
+
+ Werror = 1 << 10, /** This bit is no longer used. */
+
+ complaint = 1 << 11, /**< All complaints. */
+ fatal = 1 << 12, /**< All fatal errors. */
+ silent = 1 << 13, /**< Do not display the warning type. */
+ no_caret = 1 << 14, /**< Do not display caret location. */
+
+ /**< All above warnings. */
+ Wall = ~complaint & ~fatal & ~silent
+ } warnings;
+
+
+/** For each warning type, its severity. */
+typedef enum
+ {
+ severity_disabled = 0,
+ severity_unset = 1,
+ severity_warning = 2,
+ severity_error = 3,
+ severity_fatal = 4
+ } severity;
+
+/** Whether -Werror was set. */
+extern bool warnings_are_errors;
+
+/** For each warning type, its severity. */
+extern severity warnings_flag[];
+
+/** Initialize this module. */
+void complain_init (void);
+
+/** Make a complaint, with maybe a location. */
+void complain (location const *loc, warnings flags, char const *message, ...)
+ __attribute__ ((__format__ (__printf__, 3, 4)));
+
+/** Likewise, but with an \a argc/argv interface. */
+void complain_args (location const *loc, warnings w, unsigned *indent,
+ int argc, char *arg[]);
+
+/** Make a complaint with location and some indentation. */
+void complain_indent (location const *loc, warnings flags, unsigned *indent,
+ char const *message, ...)
+ __attribute__ ((__format__ (__printf__, 4, 5)));
+
+
+/** Report an obsolete syntax, suggest the updated one. */
+void deprecated_directive (location const *loc,
+ char const *obsolete, char const *updated);
+
+/** Warnings treated as errors shouldn't stop the execution as regular errors
+ should (because due to their nature, it is safe to go on). Thus, there are
+ three possible execution statuses. */
+typedef enum
+ {
+ status_none,
+ status_warning_as_error,
+ status_complaint
+ } err_status;
/** Whether an error was reported. */
-extern bool complaint_issued;
-
-# ifdef __cplusplus
-}
-# endif
+extern err_status complaint_status;
#endif /* !COMPLAIN_H_ */
projects / bison.git / blobdiff