xo-expression2: AGCObject support for DVariable

src/expression2/CMakeLists.txt

@@ -19,6 +19,7 @@ set(SELF_SRCS
     IPrintable_DConstant.cpp
 
     IExpression_DVariable.cpp
+    IGCObject_DVariable.cpp
     IPrintable_DVariable.cpp
 
     IExpression_DDefineExpr.cpp

src/expression2/DVariable.cpp

@@ -5,9 +5,11 @@
 
 #include "DVariable.hpp"
 #include "exprtype.hpp"
+#include <cstddef>
 #include <xo/indentlog/print/quoted.hpp>
 
 namespace xo {
+    using xo::mm::ACollector;
     using xo::facet::typeseq;
 
     namespace scm {
@@ -36,6 +38,35 @@ namespace xo {
             typeref_.resolve(td);
         }
 
+        size_t
+        DVariable::shallow_size() const noexcept
+        {
+            return sizeof(DVariable);
+        }
+
+        DVariable *
+        DVariable::shallow_copy(obj<AAllocator> mm) const noexcept
+        {
+            DVariable * copy = (DVariable *)mm.alloc_copy((std::byte *)this);
+
+            if (copy) {
+                *copy = *this;
+            }
+
+            return copy;
+        }
+
+        size_t
+        DVariable::forward_children(obj<ACollector>) noexcept
+        {
+            // nothing to collect.
+            //  - DUniqueString never in GC space
+            //  - TypeDescr not in GC space
+            //  - path only integers
+
+            return shallow_size();
+        }
+
         bool
         DVariable::pretty(const ppindentinfo & ppii) const
         {

src/expression2/IGCObject_DVariable.cpp

@@ -0,0 +1,39 @@
+/** @file IGCObject_DVariable.cpp
+ *
+ *  Generated automagically from ingredients:
+ *  1. code generator:
+ *       [/Users/roland/proj/xo-umbrella2/xo-facet/codegen/genfacet]
+ *     arguments:
+ *       --input [idl/IGCObject_DVariable.json5]
+ *  2. jinja2 template for abstract facet .hpp file:
+ *       [iface_facet_any.hpp.j2]
+ *  3. idl for facet methods
+ *       [idl/IGCObject_DVariable.json5]
+**/
+
+#include "detail/IGCObject_DVariable.hpp"
+
+namespace xo {
+    namespace scm {
+        auto
+        IGCObject_DVariable::shallow_size(const DVariable & self) noexcept -> size_type
+        {
+            return self.shallow_size();
+        }
+
+        auto
+        IGCObject_DVariable::shallow_copy(const DVariable & self, obj<AAllocator> mm) noexcept -> Opaque
+        {
+            return self.shallow_copy(mm);
+        }
+
+        auto
+        IGCObject_DVariable::forward_children(DVariable & self, obj<ACollector> gc) noexcept -> size_type
+        {
+            return self.forward_children(gc);
+        }
+
+    } /*namespace scm*/
+} /*namespace xo*/
+
+/* end IGCObject_DVariable.cpp */

src/expression2/expression2_register_facets.cpp

@@ -12,6 +12,7 @@
 #include <xo/expression2/detail/IPrintable_DDefineExpr.hpp>
 
 #include <xo/expression2/detail/IExpression_DVariable.hpp>
+#include <xo/expression2/detail/IGCObject_DVariable.hpp>
 #include <xo/expression2/detail/IPrintable_DVariable.hpp>
 
 #include <xo/expression2/detail/IExpression_DConstant.hpp>
@@ -58,6 +59,7 @@ namespace xo {
             FacetRegistry::register_impl<APrintable, DConstant>();
 
             FacetRegistry::register_impl<AExpression, DVariable>();
+            FacetRegistry::register_impl<AGCObject, DVariable>();
             FacetRegistry::register_impl<APrintable, DVariable>();
 
             FacetRegistry::register_impl<AExpression, DDefineExpr>();