From 19d53585fb72d18da8e3a23a1fe67f32752b4ef0 Mon Sep 17 00:00:00 2001
From: Roland Conybeare <rconybeare@gmail.com>
Date: Mon, 26 Jan 2026 16:51:23 -0500
Subject: [PATCH] xo-procedure2: add DSimpleRcx w/ IRuntimeContext facet

---
 xo-procedure2/CMakeLists.txt                  | 15 ++++-
 .../idl/IRuntimeContext_DSimpleRcx.json5      | 15 +++++
 .../include/xo/procedure2/DSimpleRcx.hpp      | 32 ++++++++++
 .../detail/IRuntimeContext_DSimpleRcx.hpp     | 59 +++++++++++++++++++
 xo-procedure2/src/procedure2/CMakeLists.txt   |  3 +-
 .../procedure2/IRuntimeContext_DSimpleRcx.cpp | 28 +++++++++
 6 files changed, 150 insertions(+), 2 deletions(-)
 create mode 100644 xo-procedure2/idl/IRuntimeContext_DSimpleRcx.json5
 create mode 100644 xo-procedure2/include/xo/procedure2/DSimpleRcx.hpp
 create mode 100644 xo-procedure2/include/xo/procedure2/detail/IRuntimeContext_DSimpleRcx.hpp
 create mode 100644 xo-procedure2/src/procedure2/IRuntimeContext_DSimpleRcx.cpp

diff --git a/xo-procedure2/CMakeLists.txt b/xo-procedure2/CMakeLists.txt
index be7909a5..929c48bc 100644
--- a/xo-procedure2/CMakeLists.txt
+++ b/xo-procedure2/CMakeLists.txt
@@ -43,7 +43,20 @@ xo_add_genfacet(
 # ----------------------------------------------------------------
 
 xo_add_genfacetimpl(
-    TARGET xo-procedure2-facetimpl-procedure2-primitive_gco_2_gco_gco
+    TARGET xo-procedure2-facetimpl-runtimecontext-simplercx
+    FACET_PKG xo_procedure2
+    FACET RuntimeContext
+    REPR DSimpleRcx
+    INPUT idl/IRuntimeContext_DSimpleRcx.json5
+    OUTPUT_HPP_DIR include/xo/procedure2
+    OUTPUT_IMPL_SUBDIR detail
+    OUTPUT_CPP_DIR src/procedure2
+    )
+
+# ----------------------------------------------------------------
+
+xo_add_genfacetimpl(
+    TARGET xo-procedure2-facetimpl-procedure-primitive_gco_2_gco_gco
     FACET_PKG xo_procedure2
     FACET Procedure
     REPR DPrimitive_gco_2_gco_gco
diff --git a/xo-procedure2/idl/IRuntimeContext_DSimpleRcx.json5 b/xo-procedure2/idl/IRuntimeContext_DSimpleRcx.json5
new file mode 100644
index 00000000..ed838629
--- /dev/null
+++ b/xo-procedure2/idl/IRuntimeContext_DSimpleRcx.json5
@@ -0,0 +1,15 @@
+{
+    mode: "implementation",
+    includes: [
+        //"<xo/procedure2/RuntimeContext.hpp>",
+        //"<xo/procedure2/detail/IRuntimeContext_Xfer.hpp>",
+    ],
+    local_types: [ ],
+    namespace1: "xo",
+    namespace2: "scm",
+    facet_idl: "idl/RuntimeContext.json5",
+    brief: "provide ARuntimeContext interface for DSimpleRcx",
+    using_doxygen: true,
+    repr: "DSimpleRcx",
+    doc: [ "implement ARuntimeContext for DSimpleRcx" ],
+}
diff --git a/xo-procedure2/include/xo/procedure2/DSimpleRcx.hpp b/xo-procedure2/include/xo/procedure2/DSimpleRcx.hpp
new file mode 100644
index 00000000..d5060bb9
--- /dev/null
+++ b/xo-procedure2/include/xo/procedure2/DSimpleRcx.hpp
@@ -0,0 +1,32 @@
+/** @file DSimpleRcx.hpp
+ *
+ *  @author Roland Conybeare, Jan 2026
+ **/
+
+#include <xo/alloc2/Allocator.hpp>
+
+namespace xo {
+    namespace scm {
+
+        /** @brief Minimal runtime context.
+         *
+         *  Minimal runtime context provides an allocator,
+         *  and nothing more.
+         **/
+        class DSimpleRcx {
+        public:
+            using AAllocator = xo::mm::AAllocator;
+
+        public:
+            DSimpleRcx(obj<AAllocator> mm) : allocator_{mm} {}
+
+            obj<AAllocator> allocator() const noexcept { return allocator_; }
+
+        private:
+            obj<AAllocator> allocator_;
+        };
+
+    } /*namespace scm*/
+} /*namespace xo*/
+
+/* end DSimpleRcx.hpp */
diff --git a/xo-procedure2/include/xo/procedure2/detail/IRuntimeContext_DSimpleRcx.hpp b/xo-procedure2/include/xo/procedure2/detail/IRuntimeContext_DSimpleRcx.hpp
new file mode 100644
index 00000000..06f14bc5
--- /dev/null
+++ b/xo-procedure2/include/xo/procedure2/detail/IRuntimeContext_DSimpleRcx.hpp
@@ -0,0 +1,59 @@
+/** @file IRuntimeContext_DSimpleRcx.hpp
+ *
+ *  Generated automagically from ingredients:
+ *  1. code generator:
+ *       [/home/roland/proj/xo-umbrella2-claude1/xo-facet/codegen/genfacet]
+ *     arguments:
+ *       --input [idl/IRuntimeContext_DSimpleRcx.json5]
+ *  2. jinja2 template for abstract facet .hpp file:
+ *       [iface_facet_repr.hpp.j2]
+ *  3. idl for facet methods
+ *       [idl/IRuntimeContext_DSimpleRcx.json5]
+ **/
+
+#pragma once
+
+#include "RuntimeContext.hpp"
+#include "DSimpleRcx.hpp"
+
+namespace xo { namespace scm { class IRuntimeContext_DSimpleRcx; } }
+
+namespace xo {
+    namespace facet {
+        template <>
+        struct FacetImplementation<xo::scm::ARuntimeContext,
+                                   xo::scm::DSimpleRcx>
+        {
+            using ImplType = xo::scm::IRuntimeContext_Xfer
+              <xo::scm::DSimpleRcx,
+               xo::scm::IRuntimeContext_DSimpleRcx>;
+        };
+    }
+}
+
+namespace xo {
+    namespace scm {
+        /** @class IRuntimeContext_DSimpleRcx
+         **/
+        class IRuntimeContext_DSimpleRcx {
+        public:
+            /** @defgroup scm-runtimecontext-dsimplercx-type-traits **/
+            ///@{
+            using AAllocator = xo::scm::ARuntimeContext::AAllocator;
+            using Copaque = xo::scm::ARuntimeContext::Copaque;
+            using Opaque = xo::scm::ARuntimeContext::Opaque;
+            ///@}
+            /** @defgroup scm-runtimecontext-dsimplercx-methods **/
+            ///@{
+            // const methods
+            /** default allocator to use for objects **/
+            static obj<AAllocator> allocator(const DSimpleRcx & self) noexcept;
+
+            // non-const methods
+            ///@}
+        };
+
+    } /*namespace scm*/
+} /*namespace xo*/
+
+/* end */
\ No newline at end of file
diff --git a/xo-procedure2/src/procedure2/CMakeLists.txt b/xo-procedure2/src/procedure2/CMakeLists.txt
index d1699eb0..8ecbc329 100644
--- a/xo-procedure2/src/procedure2/CMakeLists.txt
+++ b/xo-procedure2/src/procedure2/CMakeLists.txt
@@ -6,9 +6,10 @@ set(SELF_SRCS
     init_primitives.cpp
     procedure2_register_types.cpp
     procedure2_register_facets.cpp
-    DPrimitive.cpp
     IRuntimeContext_Any.cpp
+    IRuntimeContext_DSimpleRcx.cpp
     IProcedure_Any.cpp
+    DPrimitive.cpp
     IGCObject_DPrimitive_gco_2_gco_gco.cpp
     IProcedure_DPrimitive_gco_2_gco_gco.cpp
     # Add source files here, e.g.:
diff --git a/xo-procedure2/src/procedure2/IRuntimeContext_DSimpleRcx.cpp b/xo-procedure2/src/procedure2/IRuntimeContext_DSimpleRcx.cpp
new file mode 100644
index 00000000..4ec8378b
--- /dev/null
+++ b/xo-procedure2/src/procedure2/IRuntimeContext_DSimpleRcx.cpp
@@ -0,0 +1,28 @@
+/** @file IRuntimeContext_DSimpleRcx.cpp
+ *
+ *  Generated automagically from ingredients:
+ *  1. code generator:
+ *       [/home/roland/proj/xo-umbrella2-claude1/xo-facet/codegen/genfacet]
+ *     arguments:
+ *       --input [idl/IRuntimeContext_DSimpleRcx.json5]
+ *  2. jinja2 template for abstract facet .hpp file:
+ *       [iface_facet_any.hpp.j2]
+ *  3. idl for facet methods
+ *       [idl/IRuntimeContext_DSimpleRcx.json5]
+**/
+
+#include "detail/IRuntimeContext_DSimpleRcx.hpp"
+
+namespace xo {
+    namespace scm {
+        auto
+        IRuntimeContext_DSimpleRcx::allocator(const DSimpleRcx & self) noexcept -> obj<AAllocator>
+        {
+            return self.allocator();
+        }
+
+
+    } /*namespace scm*/
+} /*namespace xo*/
+
+/* end IRuntimeContext_DSimpleRcx.cpp */
\ No newline at end of file