Add Ruby support contributed by Masaki Fukushima.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@518 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Lib/ruby/ruby.swg

@@ -0,0 +1,44 @@
+/* ruby.swg */
+#include "ruby.h"
+
+#define UINT2NUM(v) rb_uint2inum(v)
+#define NUM2USHRT(n) NUM2UINT(n)
+#define NUM2SHRT(n) (\
+    (SHRT_MIN <= NUM2INT(n) && NUM2INT(n) <= SHRT_MAX)\
+    ? (short)NUM2INT(n)\
+    : (rb_raise(rb_eArgError, "integer %d out of range of `short'",\
+               NUM2INT(n)), (short)0)\
+)
+
+#ifdef __cplusplus
+# define VALUEFUNC(f) ((VALUE (*)(...))f)
+# define VOIDFUNC(f) ((void (*)(...))f)
+#else
+# define VALUEFUNC(f) (f)
+# define VOIDFUNC(f) (f)
+#endif
+
+#if defined(_WIN32) || defined(__WIN32__)
+#       if defined(_MSC_VER)
+#               if defined(STATIC_LINKED)
+#                       define SWIGEXPORT(a) a
+#               else
+#                       define SWIGEXPORT(a) __declspec(dllexport) a
+#               endif
+#       else
+#               if defined(__BORLANDC__)
+#                       define SWIGEXPORT(a) a _export
+#               else
+#                       define SWIGEXPORT(a) a
+#       endif
+#endif
+#else
+#       define SWIGEXPORT(a) a
+#endif
+
+#ifdef SWIG_GLOBAL
+#define SWIGSTATICRUNTIME(a) SWIGEXPORT(a)
+#else
+#define SWIGSTATICRUNTIME(a) static a
+#endif
+