build: be sure to include config.h first in the generated parser

[bison.git] / src / complain.h

diff --git a/src/complain.h b/src/complain.h
index 10ea19bf7675aa1d3cda1e55a7342a0807951f9e..0d81503df7eb2244d848660a50a86982d930e0c1 100644 (file)
--- a/src/complain.h
+++ b/src/complain.h
@@ -35,6 +35,7 @@ typedef enum
     warning_yacc,           /**< POSIXME.  */
     warning_conflicts_sr,   /**< S/R conflicts.  */
     warning_conflicts_rr,   /**< R/R conflicts.  */
+    warning_empty_rule,     /**< Implicitly empty rules.  */
     warning_deprecated,     /**< Obsolete constructs.  */
     warning_precedence,     /**< Useless precedence and associativity.  */
     warning_other,          /**< All other warnings.  */
@@ -85,6 +86,7 @@ typedef enum
     Wconflicts_sr     = 1 << warning_conflicts_sr,
     Wconflicts_rr     = 1 << warning_conflicts_rr,
     Wdeprecated       = 1 << warning_deprecated,
+    Wempty_rule       = 1 << warning_empty_rule,
     Wprecedence       = 1 << warning_precedence,
     Wother            = 1 << warning_other,
 
@@ -96,9 +98,13 @@ typedef enum
     no_caret          = 1 << 14, /**< Do not display caret location.  */
 
     /**< All above warnings.  */
-    Wall              = ~complaint & ~fatal & ~silent
+    Weverything       = ~complaint & ~fatal & ~silent,
+    Wall              = Weverything & ~Wyacc
   } warnings;
 
+/** Whether the warnings of \a flags are all unset.
+    (Never enabled, never disabled). */
+bool warning_is_unset (warnings flags);
 
 /** Make a complaint, with maybe a location.  */
 void complain (location const *loc, warnings flags, char const *message, ...)
@@ -118,6 +124,10 @@ void complain_indent (location const *loc, warnings flags, unsigned *indent,
 void deprecated_directive (location const *loc,
                            char const *obsolete, char const *updated);
 
+/** Report a repeated directive for a rule.  */
+void duplicate_directive (char const *directive,
+                          location first, location second);
+
 /** 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.  */