X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/7f8ba6c7f3fa2fbd9d04ff04fc2e9cb17bbdb902..f6df83b4e80b2a53c08b5dc654e247076a3b9b03:/src/complain.h diff --git a/src/complain.h b/src/complain.h index 564645f2..2222aca2 100644 --- a/src/complain.h +++ b/src/complain.h @@ -1,10 +1,12 @@ /* Declaration for error-reporting function for Bison. - Copyright (C) 2000, 2001, 2002 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, 2009-2012 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 @@ -12,51 +14,79 @@ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, - USA. */ + along with this program. If not, see . */ #ifndef COMPLAIN_H_ # define COMPLAIN_H_ 1 # include "location.h" -# ifdef __cplusplus -extern "C" { -# endif - -/* Informative messages, but we proceed. */ - -void warn (const char *format, ...) - __attribute__ ((__format__ (__printf__, 1, 2))); - -void warn_at (location_t location, const char *format, ...) - __attribute__ ((__format__ (__printf__, 2, 3))); - -/* Something bad happen, but let's continue and die later. */ - -void complain (const char *format, ...) - __attribute__ ((__format__ (__printf__, 1, 2))); - -void complain_at (location_t location, const char *format, ...) - __attribute__ ((__format__ (__printf__, 2, 3))); - -/* Something bad happen and we die now. */ - -void fatal (const char *format, ...) - __attribute__ ((__noreturn__, __format__ (__printf__, 1, 2))); - -void fatal_at (location_t location, const char *format, ...) - __attribute__ ((__noreturn__, __format__ (__printf__, 2, 3))); - -/* This variable is set each time `warn' is called. */ -extern bool warning_issued; - -/* This variable is set each time `complain' is called. */ -extern bool complaint_issued; - -# ifdef __cplusplus -} -# endif +/* Sub-messages indent. */ +# define SUB_INDENT (4) + +/*-------------. +| --warnings. | +`-------------*/ + +typedef enum + { + Wnone = 0, /**< Issue no warnings. */ + Wmidrule_values = 1 << 0, /**< Unset or unused midrule values. */ + Wyacc = 1 << 1, /**< POSIXME. */ + Wconflicts_sr = 1 << 2, /**< S/R conflicts. */ + Wconflicts_rr = 1 << 3, /**< R/R conflicts. */ + Wdeprecated = 1 << 4, /**< Obsolete constructs. */ + Wother = 1 << 5, /**< All other warnings. */ + + 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; + +/** What warnings are issued. */ +extern warnings warnings_flag; + +/** What warnings are made errors. */ +extern warnings errors_flag; + +/** Display a "[-Wyacc]" like message on stderr. */ +void warnings_print_categories (warnings warn_flags); + +/** 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 err_status complaint_status; #endif /* !COMPLAIN_H_ */