+ xo-object2

xo-object2/CMakeLists.txt

@@ -0,0 +1,32 @@
+# xo-object2/CMakeLists.txt
+
+cmake_minimum_required(VERSION 3.10)
+
+project(xo_object2 VERSION 0.1)
+
+include(GNUInstallDirs)
+include(cmake/xo-bootstrap-macros.cmake)
+
+xo_cxx_toplevel_options3()
+
+# ----------------------------------------------------------------
+# c++ settings
+
+set(PROJECT_CXX_FLAGS "")
+#set(PROJECT_CXX_FLAGS "-fconcepts-diagnostics-depth=2")  # gcc-only!
+add_definitions(${PROJECT_CXX_FLAGS})
+
+# ----------------------------------------------------------------
+
+# must complete definition of expression lib before configuring examples
+add_subdirectory(src/object2)
+#add_subdirectory(utest)
+#xo_export_cmake_config(${PROJECT_NAME} ${PROJECT_VERSION} ${PROJECT_NAME}Targets)
+
+# ----------------------------------------------------------------
+# docs targets depend on other library/utest/exec targets above,
+# --> must come after them.
+#
+#add_subdirectory(docs)
+
+# end CMakeLists.txt

xo-object2/cmake/xo-bootstrap-macros.cmake

@@ -0,0 +1,35 @@
+# ----------------------------------------------------------------
+# for example:
+#   $ PREFIX=/usr/local   # for example
+#   $ cmake -DCMAKE_MODULE_PATH=prefix -DCMAKE_INSTALL_PREFIX=$PREFIX -B .build
+#
+# will get
+#   CMAKE_MODULE_PATH
+# from xo-cmake-config --cmake-module-path
+#
+# and expect .cmake macros in
+#   CMAKE_MODULE_PATH/xo_macros/xo_cxx.cmake
+# ----------------------------------------------------------------
+
+find_program(XO_CMAKE_CONFIG_EXECUTABLE NAMES xo-cmake-config REQUIRED)
+
+if ("${XO_CMAKE_CONFIG_EXECUTABLE}" STREQUAL "XO_CMAKE_CONFIG_EXECUTABLE-NOT_FOUND")
+    message(FATAL "could not find xo-cmake-config executable")
+endif()
+
+message(STATUS "XO_CMAKE_CONFIG_EXECUTABLE=${XO_CMAKE_CONFIG_EXECUTABLE}")
+
+if (NOT XO_SUBMODULE_BUILD)
+    if (("${CMAKE_MODULE_PATH}" STREQUAL "") OR ("${CMAKE_MODULE_PATH}" STREQUAL prefix))
+        # default to typical install location for xo-project-macros
+        execute_process(COMMAND ${XO_CMAKE_CONFIG_EXECUTABLE} --cmake-module-path OUTPUT_VARIABLE CMAKE_MODULE_PATH)
+        message(STATUS "CMAKE_MODULE_PATH=${CMAKE_MODULE_PATH}")
+    endif()
+endif()
+
+# needs to have been installed somewhere on CMAKE_MODULE_PATH,
+# (e.g. from xo-cmake with the same value for CMAKE_INSTALL_PREFIX)
+#
+include(xo_macros/xo_cxx)
+
+xo_cxx_bootstrap_message()

xo-object2/cmake/xo_object2Config.cmake.in

@@ -0,0 +1,7 @@
+@PACKAGE_INIT@
+
+include(CMakeFindDependencyMacro)
+#find_dependency(indentlog)
+find_dependency(xo_alloc2)
+include("${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@Targets.cmake")
+check_required_components("@PROJECT_NAME@")

xo-object2/include/xo/object2/DFloat.hpp

@@ -0,0 +1,14 @@
+/** @file DFloat.hpp
+ *
+ *  @author Roland Conybeare, Dec 2025
+ **/
+
+#pragma once
+
+namespace xo {
+    namespace scm {
+        using DFloat = double;
+    } /*nmaespace obj*/
+} /*namespace xo*/
+
+/* end DFloat.hpp */

xo-object2/include/xo/object2/DInteger.hpp

@@ -0,0 +1,14 @@
+/** @file DInteger.hpp
+ *
+ *  @author Roland Conybeare, Dec 2025
+ **/
+
+#pragma once
+
+namespace xo {
+    namespace scm {
+        using DInteger = double;
+    } /*nmaespace obj*/
+} /*namespace xo*/
+
+/* end DInteger.hpp */

xo-object2/include/xo/object2/IGCObject_DFloat.hpp

@@ -0,0 +1,30 @@
+/** @file IGCObject_DFloat.hpp
+ *
+ *  @author Roland Conybeare, Dec 2025
+ **/
+
+#pragma once
+
+#include "xo/alloc2/AAllocator.hpp"
+#include "xo/alloc2/AGCObject.hpp"
+#include "xo/alloc2/IGCObject_Xfer.hpp"
+#include "DFloat.hpp"
+
+namespace xo {
+    namespace scm {
+        /* changes here coordinate with:
+         *  IGCObject_Xfer
+         */
+        struct IGCObject_DFloat {
+        public:
+            using AAllocator = xo::mm::AAllocator;
+            using size_type = std::size_t;
+
+            static size_type shallow_size(const DFloat & d) noexcept;
+            static DFloat * shallow_copy(const DFloat & d, obj<AAllocator> mm) noexcept;
+            static size_type forward_children(DFloat & d) noexcept;
+        };
+    } /*namespace scm*/
+} /*namespace xo*/
+
+/* end IGCObject_DFloat.hpp */

xo-object2/include/xo/object2/IGCObject_DInteger.hpp

@@ -0,0 +1,30 @@
+/** @file IGCObject_DInteger.hpp
+ *
+ *  @author Roland Conybeare, Dec 2025
+ **/
+
+#pragma once
+
+#include "xo/alloc2/AAllocator.hpp"
+#include "xo/alloc2/AGCObject.hpp"
+#include "xo/alloc2/IGCObject_Xfer.hpp"
+#include "DInteger.hpp"
+
+namespace xo {
+    namespace scm {
+        /* changes here coordinate with:
+         *  IGCObject_Xfer
+         */
+        struct IGCObject_DInteger {
+        public:
+            using AAllocator = xo::mm::AAllocator;
+            using size_type = std::size_t;
+
+            static size_type shallow_size(const DInteger & d) noexcept;
+            static DInteger * shallow_copy(const DInteger & d, obj<AAllocator> mm) noexcept;
+            static size_type forward_children(DInteger & d) noexcept;
+        };
+    } /*namespace scm*/
+} /*namespace xo*/
+
+/* end IGCObject_DInteger.hpp */

xo-object2/src/object2/CMakeLists.txt

@@ -0,0 +1,12 @@
+# object2/CMakeLists.txt
+
+set(SELF_LIB xo_object2)
+set(SELF_SRCS
+    IGCObject_DFloat.cpp
+    IGCObject_DInteger.cpp
+    )
+
+xo_add_shared_library4(${SELF_LIB} ${PROJECT_NAME}Targets ${PROJECT_VERSION} 1 ${SELF_SRCS})
+# note: deps here must also appear in cmake/xo_alloc2Config.cmake.in
+xo_dependency(${SELF_LIB} xo_alloc2)
+#xo_dependency(${SELF_LIB} indentlog)

xo-object2/src/object2/IGCObject_DFloat.cpp

@@ -0,0 +1,44 @@
+/** @file IGCObject_DFloat.cpp
+ *
+ *  @author Roland Conybeare, Dec 2025
+ **/
+
+#include "IGCObject_DFloat.hpp"
+#include "AAllocator.hpp"
+#include "xo/facet/obj.hpp"
+#include <cstddef>
+
+namespace xo {
+    using xo::mm::AAllocator;
+    using xo::facet::obj;
+    using std::size_t;
+
+    namespace scm {
+        size_t
+        IGCObject_DFloat::shallow_size(const DFloat &) noexcept
+        {
+            return sizeof(DFloat);
+        }
+
+        DFloat *
+        IGCObject_DFloat::shallow_copy(const DFloat & src,
+                                       obj<AAllocator> mm) noexcept
+        {
+            DFloat * copy = (DFloat *)mm.alloc(sizeof(DFloat));
+
+            if (copy)
+                *copy = src;
+
+            return copy;
+        }
+
+        size_t
+        IGCObject_DFloat::forward_children(DFloat &) noexcept
+        {
+            return sizeof(DFloat);
+        }
+
+    } /*namespace scm*/
+} /*namespace xo*/
+
+/* end IGCObject_DFloat.cpp */

xo-object2/src/object2/IGCObject_DInteger.cpp

@@ -0,0 +1,44 @@
+/** @file IGCObject_DInteger.cpp
+ *
+ *  @author Roland Conybeare, Dec 2025
+ **/
+
+#include "IGCObject_DInteger.hpp"
+#include "AAllocator.hpp"
+#include "xo/facet/obj.hpp"
+#include <cstddef>
+
+namespace xo {
+    using xo::mm::AAllocator;
+    using xo::facet::obj;
+    using std::size_t;
+
+    namespace scm {
+        size_t
+        IGCObject_DInteger::shallow_size(const DInteger &) noexcept
+        {
+            return sizeof(DInteger);
+        }
+
+        DInteger *
+        IGCObject_DInteger::shallow_copy(const DInteger & src,
+                                       obj<AAllocator> mm) noexcept
+        {
+            DInteger * copy = (DInteger *)mm.alloc(sizeof(DInteger));
+
+            if (copy)
+                *copy = src;
+
+            return copy;
+        }
+
+        size_t
+        IGCObject_DInteger::forward_children(DInteger &) noexcept
+        {
+            return sizeof(DInteger);
+        }
+
+    } /*namespace scm*/
+} /*namespace xo*/
+
+/* end IGCObject_DInteger.cpp */