Initial import of the CDE 2.1.30 sources from the Open Group.

cde/programs/nsgmls/rtti.h

@@ -0,0 +1,60 @@
+/* $XConsortium: rtti.h /main/1 1996/07/29 17:09:50 cde-hp $ */
+// Copyright (c) 1994 James Clark
+// See the file COPYING for copying permission.
+
+#ifndef rtti_INCLUDED
+#define rtti_INCLUDED 1
+
+#ifdef SP_HAVE_RTTI
+
+#define DYNAMIC_CAST_PTR(T, p) dynamic_cast<T *>(p)
+#define DYNAMIC_CAST_CONST_PTR(T, p) dynamic_cast<const T *>(p)
+
+#define RTTI_CLASS
+
+#define RTTI_DEF0(T)
+#define RTTI_DEF1(T, B1)
+#define RTTI_DEF2(T, B1, B2)
+#define RTTI_DEF3(T, B1, B2, B3)
+
+#else /* not SP_HAVE_RTTI */
+
+#include "TypeId.h"
+
+#define RTTI_CLASS \
+public: \
+  virtual TypeId dynamicType() const; \
+  static inline TypeId staticType() { return TypeId(RTTI_bases_); } \
+protected: \
+  static const void *RTTI_bases_[]; \
+private:
+
+#define RTTI_DEF0(T) \
+  const void *T::RTTI_bases_[] = { 0 }; \
+  TypeId T::dynamicType() const { return staticType(); }
+
+#define RTTI_DEF1(T, B1) \
+  const void *T::RTTI_bases_[] = { B1::RTTI_bases_, 0 }; \
+  TypeId T::dynamicType() const { return staticType(); }
+
+#define RTTI_DEF2(T, B1, B2) \
+  const void *T::RTTI_bases_[] = { B1::RTTI_bases_, B2::RTTI_bases_, 0 }; \
+  TypeId T::dynamicType() const { return staticType(); }
+
+#define RTTI_DEF3(T, B1, B2, B3) \
+  const void *T::RTTI_bases_[] = { \
+    B1::RTTI_bases_, B2::RTTI_bases_, B3::RTTI_bases_, 0 }; \
+  TypeId T::dynamicType() const { return staticType(); }
+
+#define DYNAMIC_CAST_PTR(T, p) \
+((p) && (p)->dynamicType().canCast(T::staticType(), (p)->staticType()) \
+ ? (T *)(p) \
+ : 0)
+#define DYNAMIC_CAST_CONST_PTR(T, p) \
+((p) && (p)->dynamicType().canCast(T::staticType(), (p)->staticType()) \
+ ? (const T *)p \
+ : 0)
+
+#endif /* not SP_HAVE_RTTI */
+
+#endif /* not rtti_INCLUDED */