xo-interpreter2: scaffold repl + alloc measurement frameowkr

xo-alloc2/src/alloc2/CMakeLists.txt

@@ -17,6 +17,8 @@ set(SELF_SRCS
 #    DArenaIterator.cpp
     IAllocIterator_DArenaIterator.cpp
 
+    IResourceVisitor_Any.cpp
+
     )
 
 xo_add_shared_library4(${SELF_LIB} ${PROJECT_NAME}Targets ${PROJECT_VERSION} 1 ${SELF_SRCS})

xo-alloc2/src/alloc2/IResourceVisitor_Any.cpp

@@ -0,0 +1,41 @@
+/** @file IResourceVisitor_Any.cpp
+ *
+ **/
+
+#include "visitor/IResourceVisitor_Any.hpp"
+#include <iostream>
+
+namespace xo {
+namespace mm {
+
+using xo::facet::DVariantPlaceholder;
+using xo::facet::typeseq;
+using xo::facet::valid_facet_implementation;
+
+void
+IResourceVisitor_Any::_fatal()
+{
+    /* control here on uninitialized IAllocator_Any.
+     * Initialized instance will have specific implementation type
+     */
+    std::cerr << "fatal"
+              << ": attempt to call uninitialized"
+              << " IResourceVisitor_Any method"
+              << std::endl;
+    std::terminate();
+}
+
+typeseq
+IResourceVisitor_Any::s_typeseq = typeseq::id<DVariantPlaceholder>();
+
+bool
+IResourceVisitor_Any::_valid
+  = valid_facet_implementation<AResourceVisitor, IResourceVisitor_Any>();
+
+// nonconst methods
+
+
+} /*namespace mm*/
+} /*namespace xo*/
+
+/* end IResourceVisitor_Any.cpp */