yacc.c in lrama-0.5.10

- old
+ new

@@ -67,15 +67,17 @@
 /* Pull parsers.  */
 #define YYPULL 1
 
 
 <%# b4_user_pre_prologue -%>
+<%- if output.aux.prologue -%>
 /* First part of user prologue.  */
 #line <%= output.aux.prologue_first_lineno %> "<%= output.grammar_file_path %>"
 
 <%= output.aux.prologue %>
 #line [@oline@] [@ofile@]
+<%- end -%>
 
 <%# b4_cast_define -%>
 # ifndef YY_CAST
 #  ifdef __cplusplus
 #   define YY_CAST(Type, Val) static_cast<Type> (Val)
@@ -1481,10 +1483,11 @@
 YYLTYPE yylloc = yyloc_default;
 
 <%# b4_declare_parser_state_variables -%>
     /* Number of syntax errors so far.  */
     int yynerrs = 0;
+    YY_USE (yynerrs); /* Silence compiler warning.  */
 
     yy_state_fast_t yystate = 0;
     /* Number of tokens to shift before error messages enabled.  */
     int yyerrstatus = 0;
 
@@ -2041,9 +2044,11 @@
     YYSTACK_FREE (yymsg);
   return yyresult;
 }
 
 <%# b4_percent_code_get([[epilogue]]) -%>
+<%- if output.aux.epilogue -%>
 #line <%= output.aux.epilogue_first_lineno - 1 %> "<%= output.grammar_file_path %>"
 
 <%= output.aux.epilogue -%>
+<%- end -%>
 