From: Akim Demaille <akim@lrde.epita.fr>
Date: Tue, 25 Sep 2012 12:14:57 +0000 (+0200)
Subject: lalr1.cc: don't leave macros define to nothing
X-Git-Tag: v2.6.90~89
X-Git-Url: https://git.saurik.com/bison.git/commitdiff_plain/88322b77b174bc1ebd85eef290e41fc001b21f07

lalr1.cc: don't leave macros define to nothing

* data/lalr1.cc (YY_SYMBOL_PRINT, YY_REDUCE_PRINT, YY_STACK_PRINT):
Define to something so that, for instance, "if (foo) YY_SYMBOL_PRINT"
is valid even when !YYDEBUG.
---

diff --git a/data/lalr1.cc b/data/lalr1.cc
index 82e68244..308290ad 100644
--- a/data/lalr1.cc
+++ b/data/lalr1.cc
@@ -335,9 +335,9 @@ do {					\
 #else /* !]b4_api_PREFIX[DEBUG */
 
 # define YYCDEBUG if (false) std::cerr
-# define YY_SYMBOL_PRINT(Title, Type, Value, Location)
-# define YY_REDUCE_PRINT(Rule)
-# define YY_STACK_PRINT()
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location) YYUSE(Type)
+# define YY_REDUCE_PRINT(Rule)        static_cast<void>(0)
+# define YY_STACK_PRINT()             static_cast<void>(0)
 
 #endif /* !]b4_api_PREFIX[DEBUG */