X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/b56484a5d3f983b163287f5bf0a77b80529200cf..0fe9720964da510a2b359af390a3053aace65f9f:/src/flex-scanner.h

diff --git a/src/flex-scanner.h b/src/flex-scanner.h
index 028082ec..9c111aa2 100644
--- a/src/flex-scanner.h
+++ b/src/flex-scanner.h
@@ -21,20 +21,14 @@
 # error "FLEX_PREFIX not defined"
 #endif
 
-/* Whether this version of Flex is (strictly) greater than
-   Major.Minor.Subminor.  */
-#ifdef YY_FLEX_SUBMINOR_VERSION
-# define FLEX_VERSION               \
-  (YY_FLEX_MAJOR_VERSION) * 1000000 \
-+ (YY_FLEX_MINOR_VERSION) * 1000    \
-+ (YY_FLEX_SUBMINOR_VERSION)
-#else
-# define FLEX_VERSION               \
-  (YY_FLEX_MAJOR_VERSION) * 1000000 \
-+ (YY_FLEX_MINOR_VERSION) * 1000
-#endif
+/* Flex full version as a number.  */
+#define FLEX_VERSION                    \
+  ((YY_FLEX_MAJOR_VERSION) * 1000000    \
+   + (YY_FLEX_MINOR_VERSION) * 1000     \
+   + (YY_FLEX_SUBMINOR_VERSION))
+
 /* Pacify "gcc -Wmissing-prototypes" when flex 2.5.31 is used.  */
-# if FLEX_VERSION <= 2005031
+#if FLEX_VERSION <= 2005031
 int   FLEX_PREFIX (get_lineno) (void);
 FILE *FLEX_PREFIX (get_in) (void);
 FILE *FLEX_PREFIX (get_out) (void);
@@ -82,16 +76,13 @@ int   FLEX_PREFIX (lex_destroy) (void);
 
 static struct obstack obstack_for_string;
 
-# define STRING_GROW   \
+# define STRING_GROW                                    \
   obstack_grow (&obstack_for_string, yytext, yyleng)
 
-# define STRING_FINISH					\
-  do {							\
-    obstack_1grow (&obstack_for_string, '\0');		\
-    last_string = obstack_finish (&obstack_for_string);	\
-  } while (0)
+# define STRING_FINISH                                  \
+  (last_string = obstack_finish0 (&obstack_for_string))
 
-# define STRING_FREE \
+# define STRING_FREE                                    \
   obstack_free (&obstack_for_string, last_string)
 
 #endif