xo-expression2: refactor: layout Variable support file locn

src/expression2/CMakeLists.txt

@@ -6,7 +6,6 @@ set(SELF_SRCS
     SetupExpression2.cpp
 
     DConstant.cpp
-    DVariable.cpp
     DVarRef.cpp
     DApplyExpr.cpp
 
@@ -20,9 +19,10 @@ set(SELF_SRCS
     IGCObject_DConstant.cpp
     IPrintable_DConstant.cpp
 
-    IExpression_DVariable.cpp
-    IGCObject_DVariable.cpp
-    IPrintable_DVariable.cpp
+    DVariable.cpp
+    facet/IExpression_DVariable.cpp
+    facet/IGCObject_DVariable.cpp
+    facet/IPrintable_DVariable.cpp
 
     IExpression_DVarRef.cpp
     IGCObject_DVarRef.cpp

src/expression2/facet/IExpression_DVariable.cpp

@@ -11,7 +11,7 @@
  *       [idl/IExpression_DVariable.json5]
 **/
 
-#include "detail/IExpression_DVariable.hpp"
+#include "variable/IExpression_DVariable.hpp"
 
 namespace xo {
     namespace scm {

src/expression2/facet/IGCObject_DVariable.cpp

@@ -11,7 +11,7 @@
  *       [idl/IGCObject_DVariable.json5]
 **/
 
-#include "detail/IGCObject_DVariable.hpp"
+#include "variable/IGCObject_DVariable.hpp"
 
 namespace xo {
     namespace scm {

src/expression2/facet/IPrintable_DVariable.cpp

@@ -11,7 +11,7 @@
  *       [idl/IPrintable_DVariable.json5]
 **/
 
-#include "detail/IPrintable_DVariable.hpp"
+#include "variable/IPrintable_DVariable.hpp"
 
 namespace xo {
     namespace scm {