Initial work on CActor.cpp

Former-commit-id: 44b17813bd

include/static_assert.hpp

@@ -0,0 +1,33 @@
+// C++98 static assert
+
+template < bool expr >
+struct do_static_assert;
+
+template <>
+struct do_static_assert< true > {
+  static const char test;
+};
+
+struct false_type {
+  static const bool value = false;
+};
+
+struct true_type {
+  static const bool value = true;
+};
+
+template < int A, int B >
+struct _n_is_equal : false_type {};
+
+template < int A >
+struct _n_is_equal< A, A > : true_type {};
+
+template < class T, int N >
+struct check_sizeof : _n_is_equal< sizeof(T), N > {};
+
+#ifdef __MWERKS__
+#define CHECK_SIZEOF(cls, size)                                                                                                            \
+  static void cls##_check() { do_static_assert< check_sizeof< cls, size >::value >::test; }
+#else
+#define CHECK_SIZEOF(cls, size)
+#endif