From b7197929af1cca15e490703ba3632ae52a348b60 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 14 Oct 2010 12:21:35 +0200
Subject: New mapping for anyType with support for polymorphism

---
 libxsde/xsde/cxx/hybrid/any-type.cxx | 151 ++++++++++++++++++++++++++++++++++-
 1 file changed, 150 insertions(+), 1 deletion(-)

(limited to 'libxsde/xsde/cxx/hybrid/any-type.cxx')

diff --git a/libxsde/xsde/cxx/hybrid/any-type.cxx b/libxsde/xsde/cxx/hybrid/any-type.cxx
index d4f257d..544e11b 100644
--- a/libxsde/xsde/cxx/hybrid/any-type.cxx
+++ b/libxsde/xsde/cxx/hybrid/any-type.cxx
@@ -3,6 +3,12 @@
 // copyright : Copyright (c) 2005-2010 Code Synthesis Tools CC
 // license   : GNU GPL v2 + exceptions; see accompanying LICENSE file
 
+#include <xsde/cxx/config.hxx>
+
+#ifdef XSDE_CUSTOM_ALLOCATOR
+#  include <xsde/cxx/allocator.hxx>
+#endif
+
 #include <xsde/cxx/hybrid/any-type.hxx>
 
 namespace xsde
@@ -13,12 +19,155 @@ namespace xsde
     {
       // any_type
       //
-#ifdef XSDE_POLYMORPHIC
       any_type::
       ~any_type ()
       {
+#ifndef XSDE_CUSTOM_ALLOCATOR
+        delete data_;
+#else
+        if (data_ != 0)
+        {
+          data_->~data_sequence ();
+          cxx::free (data_);
+        }
+#endif
+      }
+
+#ifdef XSDE_EXCEPTIONS
+      void any_type::
+      allocate_custom_data ()
+      {
+        if (data_ != 0)
+          return;
+
+#ifndef XSDE_CUSTOM_ALLOCATOR
+        data_ = new data_sequence;
+#else
+        // Default data_sequence c-tor cannot throw so we don't need a guard.
+        //
+        data_ = static_cast<data_sequence*> (
+          cxx::alloc (sizeof (data_sequence)));
+        new (data_) data_sequence;
+#endif
       }
 
+      void any_type::
+      _copy (any_type& c) const
+      {
+        if (data_ != 0)
+        {
+          c.allocate_custom_data ();
+          data_->copy (c.custom_data ());
+        }
+      }
+
+      struct any_type_guard
+      {
+        any_type_guard (any_type* p) : p_ (p) {}
+
+        ~any_type_guard ()
+        {
+#ifndef XSDE_CUSTOM_ALLOCATOR
+          delete p_;
+#else
+          if (p_ != 0)
+          {
+            p_->~any_type ();
+            cxx::free (p_);
+          }
+#endif
+        }
+
+        void
+        release () { p_ = 0; }
+
+      private:
+        any_type* p_;
+      };
+
+      any_type* any_type::
+      _clone () const
+      {
+#ifndef XSDE_CUSTOM_ALLOCATOR
+        any_type* c = new any_type;
+#else
+        // Default any_type c-tor cannot throw so we don't need alloc_guard.
+        //
+        any_type* c = static_cast<any_type*> (cxx::alloc (sizeof (any_type)));
+        new (c) any_type;
+#endif
+        any_type_guard g (c);
+        _copy (*c);
+        g.release ();
+        return c;
+      }
+#else
+      bool any_type::
+      allocate_custom_data ()
+      {
+        if (data_ != 0)
+          return true;
+
+#ifndef XSDE_CUSTOM_ALLOCATOR
+        data_ = new data_sequence;
+#else
+        data_ = static_cast<data_sequence*> (
+          cxx::alloc (sizeof (data_sequence)));
+#endif
+        if (data_ == 0)
+          return false;
+
+#ifdef XSDE_CUSTOM_ALLOCATOR
+        new (data_) data_sequence;
+#endif
+        return true;
+      }
+
+      bool
+      _copy (any_type&) const
+      {
+        if (data_ != 0)
+        {
+          if (!c.allocate_custom_data () ||
+              !data_.copy (c.custom_data ()))
+            return false;
+        }
+
+        return true;
+      }
+
+      any_type* any_type::
+      _clone () const
+      {
+#ifndef XSDE_CUSTOM_ALLOCATOR
+        any_type* c = new any_type;
+#else
+        any_type* c = static_cast<any_type*> (cxx::alloc (sizeof (any_type)));
+#endif
+
+        if (c == 0)
+          return 0;
+
+#ifdef XSDE_CUSTOM_ALLOCATOR
+        new (c) any_type;
+#endif
+
+        if (!_copy (*c))
+        {
+#ifndef XSDE_CUSTOM_ALLOCATOR
+          delete c;
+#else
+          c->~any_type ();
+          cxx::free (c);
+#endif
+          return 0;
+        }
+
+        return c;
+      }
+#endif
+
+#ifdef XSDE_POLYMORPHIC
 #ifdef XSDE_STL
       const std::string& any_type::
       _dynamic_type () const
-- 
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