Use b4_subtract where possible.

[bison.git] / data / yacc.c

diff --git a/data/yacc.c b/data/yacc.c
index 36028e27ca8c7ee5461598e96046906bdbe25d0a..872e63f1c20737bcecaa26722c1d9c274e46dac8 100644 (file)
--- a/data/yacc.c
+++ b/data/yacc.c
@@ -124,7 +124,7 @@ m4_define([b4_lhs_value],
 # Expansion of $<TYPE>NUM, where the current rule has RULE-LENGTH
 # symbols on RHS.
 m4_define([b4_rhs_value],
-[b4_symbol_value([yyvsp@{($2) - ($1)@}], [$3])])
+          [b4_symbol_value([yyvsp@{b4_subtract([$2], [$1])@}], [$3])])
 
 
 
@@ -144,7 +144,7 @@ m4_define([b4_lhs_location],
 # Expansion of @NUM, where the current rule has RULE-LENGTH symbols
 # on RHS.
 m4_define([b4_rhs_location],
-[(yylsp@{($2) - ($1)@})])
+          [(yylsp@{b4_subtract([$2], [$1])@})])