/* Declaration for error-reporting function for Bison.
- Copyright (C) 2000-2002, 2006, 2009-2012 Free Software Foundation,
+ Copyright (C) 2000-2002, 2006, 2009-2013 Free Software Foundation,
Inc.
This program is free software: you can redistribute it and/or modify
# include "location.h"
+/* 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
{
- 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. */
- Wother = 1 << 4, /**< All other warnings. */
-
- Werror = 1 << 10, /**< Warnings are treated as errors. */
+ /**< 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. */
- Wall = ~Werror /**< All above warnings. */
+ 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;
-/** Display a "[-Wyacc]" like message on stderr. */
-void warnings_print_categories (warnings warn_flags);
+/** 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;
-/** Record that a warning is about to be issued, and treat it as an
- error if <tt>warnings_flag & Werror</tt>. This is exported
- only for the sake of Yacc-compatible conflict reports in conflicts.c.
- All other warnings should be implemented in complain.c and should use
- the normal warning format. */
-void set_warning_issued (void);
+/** For each warning type, its severity. */
+extern severity warnings_flag[];
-/** Make a complaint, but don't specify any location. */
-void complain (warnings flags, char const *message, ...)
- __attribute__ ((__format__ (__printf__, 2, 3)));
+/** Initialize this module. */
+void complain_init (void);
-/** Make a complaint with location. */
-void complain_at (location loc, warnings flags, char const *message, ...)
+/** 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_at_indent (location loc, warnings flags, unsigned *indent,
- char const *message, ...)
+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;
+extern err_status complaint_status;
#endif /* !COMPLAIN_H_ */
projects / bison.git / blobdiff