xo-interpreter2: work towards utest w/ vsm+reader [WIP]

src/interpreter2/CMakeLists.txt

@@ -2,6 +2,7 @@
 
 set(SELF_LIB xo_interpreter2)
 set(SELF_SRCS
+    init_interpreter2.cpp
     VirtualSchematikaMachine.cpp
     #IExpression_Any.cpp
     #interpreter2_register_facets.cpp
@@ -9,7 +10,7 @@ set(SELF_SRCS
 
 xo_add_shared_library4(${SELF_LIB} ${PROJECT_NAME}Targets ${PROJECT_VERSION} 1 ${SELF_SRCS})
 # note: deps here must also appear in cmake/xo_interpreter2Config.cmake.in
-xo_dependency(${SELF_LIB} xo_expression2)
+xo_dependency(${SELF_LIB} xo_reader2)
 xo_dependency(${SELF_LIB} xo_gc)
 #xo_dependency(${SELF_LIB} reflect)
 #xo_dependency(${SELF_LIB} xo_printable2)

src/interpreter2/VirtualSchematikaMachine.cpp

@@ -6,12 +6,19 @@
 #include "VirtualSchematikaMachine.hpp"
 #include <xo/expression2/detail/IExpression_DConstant.hpp>
 #include <xo/expression2/DConstant.hpp>
+#include <xo/gc/DX1Collector.hpp>
+#include <xo/gc/detail/IAllocator_DX1Collector.hpp>
 #include <cassert>
 
 namespace xo {
+    using xo::mm::DX1Collector;
+
     namespace scm {
 
-        VirtualSchematikaMachine::VirtualSchematikaMachine()
+        VirtualSchematikaMachine::VirtualSchematikaMachine(const VsmConfig & config)
+        : config_{config},
+          mm_(box<AAllocator,DX1Collector>(new DX1Collector(config.x1_config_))),
+          reader_{config.rdr_config_, mm_.to_op()}
         {}
 
         void

src/interpreter2/init_interpreter2.cpp

@@ -0,0 +1,50 @@
+/** @file init_interpreter2.cpp
+ *
+ *  @author Roland Conybeare, Jan 2026
+ **/
+
+#include "init_interpreter2.hpp"
+
+#ifdef NOT_YET
+#include "interpreter2_register_facets.hpp"
+#include "interpreter2_register_types.hpp"
+#endif
+
+#include <xo/reader2/init_reader2.hpp>
+#ifdef NOT_YET
+#include <xo/gc/CollectorTypeRegistry.hpp>
+#endif
+
+namespace xo {
+#ifdef NOT_YET
+    using xo::scm::interpreter2_register_facets;
+    using xo::scm::interpreter2_register_types;
+    using xo::mm::CollectorTypeRegistry;
+#endif
+
+    void
+    InitSubsys<S_interpreter2_tag>::init()
+    {
+#ifdef NOT_YET
+        interpreter2_register_facets();
+
+        CollectorTypeRegistry::instance().register_types(&interpreter2_register_types);
+#endif
+    }
+
+    InitEvidence
+    InitSubsys<S_interpreter2_tag>::require()
+    {
+        InitEvidence retval;
+
+        /* direct subsystem deps for xo-interpreter2/ */
+        retval ^= InitSubsys<S_reader2_tag>::require();
+
+        /* xo-interpreter2/'s own initialization code */
+        retval ^= Subsystem::provide<S_interpreter2_tag>("interpreter2", &init);
+
+        return retval;
+    }
+} /*namespace xo*/
+
+/* end init_interpreter2.cpp */