yacc.c: initialize yylval and yylloc.

[bison.git] / data / c.m4

diff --git a/data/c.m4 b/data/c.m4
index 561900afe8c6fd23f676506ada13b35bff8b45f3..136b46e105ecb305bdbedb3955cf3711f12e3217 100644 (file)
--- a/data/c.m4
+++ b/data/c.m4
@@ -643,3 +643,19 @@ m4_define([b4_yylloc_default_define],
     while (YYID (0))
 #endif
 ]])
+
+# b4_yyloc_default_define
+# ------------------------
+# Define yyloc_default, which can be used to initialize location
+# variables.
+m4_define([b4_yyloc_default_define],
+[[static YYLTYPE yyloc_default
+# if defined ]b4_api_PREFIX[LTYPE_IS_TRIVIAL && ]b4_api_PREFIX[LTYPE_IS_TRIVIAL
+  = { ]m4_join([, ],
+               m4_defn([b4_location_initial_line]),
+               m4_defn([b4_location_initial_column]),
+               m4_defn([b4_location_initial_line]),
+               m4_defn([b4_location_initial_column]))[ }
+# endif
+  ;]dnl
+])