Add support for custom allocators

New example: examples/cxx/hybrid/allocator.

9 files changed, 248 insertions, 15 deletions

diff --git a/libxsde/xsde/cxx/parser/validating/base64-binary.cxx b/libxsde/xsde/cxx/parser/validating/base64-binary.cxx
index 3aac6f3..f36df5a 100644
--- a/libxsde/xsde/cxx/parser/validating/base64-binary.cxx
+++ b/libxsde/xsde/cxx/parser/validating/base64-binary.cxx
@@ -5,6 +5,10 @@
 
 #include <xsde/cxx/config.hxx>
 
+#ifdef XSDE_CUSTOM_ALLOCATOR
+#  include <xsde/cxx/allocator.hxx>
+#endif
+
 #include <xsde/cxx/parser/validating/base64-binary.hxx>
 
 static unsigned char
@@ -37,8 +41,15 @@ namespace xsde
         base64_binary_pimpl::
         ~base64_binary_pimpl ()
         {
-          if (!base_)
+          if (!base_ && buf_)
+          {
+#ifndef XSDE_CUSTOM_ALLOCATOR
             delete buf_;
+#else
+            buf_->~buffer ();
+            cxx::free (buf_);
+#endif
+          }
         }
 
         void base64_binary_pimpl::
@@ -46,9 +57,14 @@ namespace xsde
         {
           base64_binary_pskel::_reset ();
 
-          if (!base_)
+          if (!base_ && buf_)
           {
+#ifndef XSDE_CUSTOM_ALLOCATOR
             delete buf_;
+#else
+            buf_->~buffer ();
+            cxx::free (buf_);
+#endif
             buf_ = 0;
           }
         }
@@ -70,7 +86,20 @@ namespace xsde
         {
           if (buf_ == 0)
           {
+#ifndef XSDE_CUSTOM_ALLOCATOR
             buf_ = new buffer ();
+#else
+            buf_ = static_cast<buffer*> (alloc (sizeof (buffer)));
+
+#ifdef XSDE_EXCEPTIONS
+            alloc_guard ag (buf_);
+            new (buf_) buffer ();
+            ag.release ();
+#else
+            if (buf_)
+              new (buf_) buffer ();
+#endif
+#endif
 
 #ifndef XSDE_EXCEPTIONS
             if (buf_ == 0)
diff --git a/libxsde/xsde/cxx/parser/validating/hex-binary.cxx b/libxsde/xsde/cxx/parser/validating/hex-binary.cxx
index 24035fa..f7e6139 100644
--- a/libxsde/xsde/cxx/parser/validating/hex-binary.cxx
+++ b/libxsde/xsde/cxx/parser/validating/hex-binary.cxx
@@ -5,6 +5,10 @@
 
 #include <xsde/cxx/config.hxx>
 
+#ifdef XSDE_CUSTOM_ALLOCATOR
+#  include <xsde/cxx/allocator.hxx>
+#endif
+
 #include <xsde/cxx/parser/validating/hex-binary.hxx>
 
 static unsigned char
@@ -33,8 +37,15 @@ namespace xsde
         hex_binary_pimpl::
         ~hex_binary_pimpl ()
         {
-          if (!base_)
+          if (!base_ && buf_)
+          {
+#ifndef XSDE_CUSTOM_ALLOCATOR
             delete buf_;
+#else
+            buf_->~buffer ();
+            cxx::free (buf_);
+#endif
+          }
         }
 
         void hex_binary_pimpl::
@@ -42,9 +53,14 @@ namespace xsde
         {
           hex_binary_pskel::_reset ();
 
-          if (!base_)
+          if (!base_ && buf_)
           {
+#ifndef XSDE_CUSTOM_ALLOCATOR
             delete buf_;
+#else
+            buf_->~buffer ();
+            cxx::free (buf_);
+#endif
             buf_ = 0;
           }
         }
@@ -66,7 +82,20 @@ namespace xsde
         {
           if (buf_ == 0)
           {
+#ifndef XSDE_CUSTOM_ALLOCATOR
             buf_ = new buffer ();
+#else
+            buf_ = static_cast<buffer*> (alloc (sizeof (buffer)));
+
+#ifdef XSDE_EXCEPTIONS
+            alloc_guard ag (buf_);
+            new (buf_) buffer ();
+            ag.release ();
+#else
+            if (buf_)
+              new (buf_) buffer ();
+#endif
+#endif
 
 #ifndef XSDE_EXCEPTIONS
             if (buf_ == 0)
diff --git a/libxsde/xsde/cxx/parser/validating/idrefs-stl.cxx b/libxsde/xsde/cxx/parser/validating/idrefs-stl.cxx
index 85129ed..3fc3175 100644
--- a/libxsde/xsde/cxx/parser/validating/idrefs-stl.cxx
+++ b/libxsde/xsde/cxx/parser/validating/idrefs-stl.cxx
@@ -7,6 +7,10 @@
 
 #include <xsde/cxx/config.hxx>
 
+#ifdef XSDE_CUSTOM_ALLOCATOR
+#  include <xsde/cxx/allocator.hxx>
+#endif
+
 #include <xsde/cxx/parser/validating/idrefs-stl.hxx>
 
 namespace xsde
@@ -20,8 +24,15 @@ namespace xsde
         idrefs_pimpl::
         ~idrefs_pimpl ()
         {
-          if (!base_)
+          if (!base_ && seq_)
+          {
+#ifndef XSDE_CUSTOM_ALLOCATOR
             delete seq_;
+#else
+            seq_->~string_sequence ();
+            cxx::free (seq_);
+#endif
+          }
         }
 
         void idrefs_pimpl::
@@ -29,9 +40,14 @@ namespace xsde
         {
           idrefs_pskel::_reset ();
 
-          if (!base_)
+          if (!base_ && seq_)
           {
+#ifndef XSDE_CUSTOM_ALLOCATOR
             delete seq_;
+#else
+            seq_->~string_sequence ();
+            cxx::free (seq_);
+#endif
             seq_ = 0;
           }
 
@@ -55,7 +71,21 @@ namespace xsde
         {
           if (seq_ == 0)
           {
+#ifndef XSDE_CUSTOM_ALLOCATOR
             seq_ = new string_sequence ();
+#else
+            seq_ = static_cast<string_sequence*> (
+              alloc (sizeof (string_sequence)));
+
+#ifdef XSDE_EXCEPTIONS
+            alloc_guard ag (seq_);
+            new (seq_) string_sequence ();
+            ag.release ();
+#else
+            if (seq_)
+              new () string_sequence ();
+#endif
+#endif
 
 #ifndef XSDE_EXCEPTIONS
             if (seq_ == 0)
diff --git a/libxsde/xsde/cxx/parser/validating/idrefs.cxx b/libxsde/xsde/cxx/parser/validating/idrefs.cxx
index 2bf35d2..851d28c 100644
--- a/libxsde/xsde/cxx/parser/validating/idrefs.cxx
+++ b/libxsde/xsde/cxx/parser/validating/idrefs.cxx
@@ -7,6 +7,10 @@
 
 #include <xsde/cxx/config.hxx>
 
+#ifdef XSDE_CUSTOM_ALLOCATOR
+#  include <xsde/cxx/allocator.hxx>
+#endif
+
 #include <xsde/cxx/parser/validating/idrefs.hxx>
 
 namespace xsde
@@ -20,8 +24,15 @@ namespace xsde
         idrefs_pimpl::
         ~idrefs_pimpl ()
         {
-          if (!base_)
+          if (!base_ && seq_)
+          {
+#ifndef XSDE_CUSTOM_ALLOCATOR
             delete seq_;
+#else
+            seq_->~string_sequence ();
+            cxx::free (seq_);
+#endif
+          }
         }
 
         void idrefs_pimpl::
@@ -29,9 +40,14 @@ namespace xsde
         {
           idrefs_pskel::_reset ();
 
-          if (!base_)
+          if (!base_ && seq_)
           {
+#ifndef XSDE_CUSTOM_ALLOCATOR
             delete seq_;
+#else
+            seq_->~string_sequence ();
+            cxx::free (seq_);
+#endif
             seq_ = 0;
           }
 
@@ -55,7 +71,21 @@ namespace xsde
         {
           if (seq_ == 0)
           {
+#ifndef XSDE_CUSTOM_ALLOCATOR
             seq_ = new string_sequence ();
+#else
+            seq_ = static_cast<string_sequence*> (
+              alloc (sizeof (string_sequence)));
+
+#ifdef XSDE_EXCEPTIONS
+            alloc_guard ag (seq_);
+            new (seq_) string_sequence ();
+            ag.release ();
+#else
+            if (seq_)
+              new () string_sequence ();
+#endif
+#endif
 
 #ifndef XSDE_EXCEPTIONS
             if (seq_ == 0)
diff --git a/libxsde/xsde/cxx/parser/validating/inheritance-map.cxx b/libxsde/xsde/cxx/parser/validating/inheritance-map.cxx
index c3b9e41..f23e841 100644
--- a/libxsde/xsde/cxx/parser/validating/inheritance-map.cxx
+++ b/libxsde/xsde/cxx/parser/validating/inheritance-map.cxx
@@ -12,6 +12,10 @@
 #  include <stdlib.h> // exit
 #endif
 
+#ifdef XSDE_CUSTOM_ALLOCATOR
+#  include <xsde/cxx/allocator.hxx>
+#endif
+
 #include <xsde/cxx/parser/validating/inheritance-map.hxx>
 #include <xsde/cxx/parser/validating/inheritance-map-load.hxx>
 
@@ -50,7 +54,21 @@ namespace xsde
         {
           if (count == 0)
           {
+#ifndef XSDE_CUSTOM_ALLOCATOR
             map = new inheritance_map (XSDE_PARSER_IMAP_BUCKETS);
+#else
+            map = static_cast<inheritance_map*> (
+              alloc (sizeof (inheritance_map)));
+
+#ifdef XSDE_EXCEPTIONS
+            alloc_guard mg (map);
+            new (map) inheritance_map (XSDE_PARSER_IMAP_BUCKETS);
+            mg.release ();
+#else
+            if (map)
+              new (map) inheritance_map (XSDE_PARSER_IMAP_BUCKETS);
+#endif
+#endif
 
 #ifndef XSDE_EXCEPTIONS
             if (map == 0 || map->_error () != inheritance_map::error_none)
@@ -73,7 +91,14 @@ namespace xsde
         ~inheritance_map_init ()
         {
           if (--count == 0)
+          {
+#ifndef XSDE_CUSTOM_ALLOCATOR
             delete map;
+#else
+            map->~inheritance_map ();
+            cxx::free (map);
+#endif
+          }
         }
 
         // inheritance_map_entry
diff --git a/libxsde/xsde/cxx/parser/validating/nmtokens-stl.cxx b/libxsde/xsde/cxx/parser/validating/nmtokens-stl.cxx
index 8410d89..6258e26 100644
--- a/libxsde/xsde/cxx/parser/validating/nmtokens-stl.cxx
+++ b/libxsde/xsde/cxx/parser/validating/nmtokens-stl.cxx
@@ -5,6 +5,10 @@
 
 #include <xsde/cxx/config.hxx>
 
+#ifdef XSDE_CUSTOM_ALLOCATOR
+#  include <xsde/cxx/allocator.hxx>
+#endif
+
 #include <xsde/cxx/parser/validating/nmtokens-stl.hxx>
 
 namespace xsde
@@ -18,8 +22,15 @@ namespace xsde
         nmtokens_pimpl::
         ~nmtokens_pimpl ()
         {
-          if (!base_)
+          if (!base_ && seq_)
+          {
+#ifndef XSDE_CUSTOM_ALLOCATOR
             delete seq_;
+#else
+            seq_->~string_sequence ();
+            cxx::free (seq_);
+#endif
+          }
         }
 
         void nmtokens_pimpl::
@@ -27,9 +38,14 @@ namespace xsde
         {
           nmtokens_pskel::_reset ();
 
-          if (!base_)
+          if (!base_ && seq_)
           {
+#ifndef XSDE_CUSTOM_ALLOCATOR
             delete seq_;
+#else
+            seq_->~string_sequence ();
+            cxx::free (seq_);
+#endif
             seq_ = 0;
           }
 
@@ -53,7 +69,21 @@ namespace xsde
         {
           if (seq_ == 0)
           {
+#ifndef XSDE_CUSTOM_ALLOCATOR
             seq_ = new string_sequence ();
+#else
+            seq_ = static_cast<string_sequence*> (
+              alloc (sizeof (string_sequence)));
+
+#ifdef XSDE_EXCEPTIONS
+            alloc_guard ag (seq_);
+            new (seq_) string_sequence ();
+            ag.release ();
+#else
+            if (seq_)
+              new () string_sequence ();
+#endif
+#endif
 
 #ifndef XSDE_EXCEPTIONS
             if (seq_ == 0)
diff --git a/libxsde/xsde/cxx/parser/validating/nmtokens.cxx b/libxsde/xsde/cxx/parser/validating/nmtokens.cxx
index 7573f28..5d06ef1 100644
--- a/libxsde/xsde/cxx/parser/validating/nmtokens.cxx
+++ b/libxsde/xsde/cxx/parser/validating/nmtokens.cxx
@@ -5,6 +5,10 @@
 
 #include <xsde/cxx/config.hxx>
 
+#ifdef XSDE_CUSTOM_ALLOCATOR
+#  include <xsde/cxx/allocator.hxx>
+#endif
+
 #include <xsde/cxx/parser/validating/nmtokens.hxx>
 
 namespace xsde
@@ -18,8 +22,15 @@ namespace xsde
         nmtokens_pimpl::
         ~nmtokens_pimpl ()
         {
-          if (!base_)
+          if (!base_ && seq_)
+          {
+#ifndef XSDE_CUSTOM_ALLOCATOR
             delete seq_;
+#else
+            seq_->~string_sequence ();
+            cxx::free (seq_);
+#endif
+          }
         }
 
         void nmtokens_pimpl::
@@ -27,9 +38,14 @@ namespace xsde
         {
           nmtokens_pskel::_reset ();
 
-          if (!base_)
+          if (!base_ && seq_)
           {
+#ifndef XSDE_CUSTOM_ALLOCATOR
             delete seq_;
+#else
+            seq_->~string_sequence ();
+            cxx::free (seq_);
+#endif
             seq_ = 0;
           }
 
@@ -53,7 +69,21 @@ namespace xsde
         {
           if (seq_ == 0)
           {
+#ifndef XSDE_CUSTOM_ALLOCATOR
             seq_ = new string_sequence ();
+#else
+            seq_ = static_cast<string_sequence*> (
+              alloc (sizeof (string_sequence)));
+
+#ifdef XSDE_EXCEPTIONS
+            alloc_guard ag (seq_);
+            new (seq_) string_sequence ();
+            ag.release ();
+#else
+            if (seq_)
+              new () string_sequence ();
+#endif
+#endif
 
 #ifndef XSDE_EXCEPTIONS
             if (seq_ == 0)
diff --git a/libxsde/xsde/cxx/parser/validating/qname.cxx b/libxsde/xsde/cxx/parser/validating/qname.cxx
index b98c8e9..5709824 100644
--- a/libxsde/xsde/cxx/parser/validating/qname.cxx
+++ b/libxsde/xsde/cxx/parser/validating/qname.cxx
@@ -5,6 +5,10 @@
 
 #include <xsde/cxx/config.hxx>
 
+#ifdef XSDE_CUSTOM_ALLOCATOR
+#  include <xsde/cxx/allocator.hxx>
+#endif
+
 #include <xsde/cxx/xml/ncname.hxx>
 
 #include <xsde/cxx/parser/validating/qname.hxx>
@@ -20,8 +24,15 @@ namespace xsde
         qname_pimpl::
         ~qname_pimpl ()
         {
-          if (!base_)
+          if (!base_ && qn_)
+          {
+#ifndef XSDE_CUSTOM_ALLOCATOR
             delete qn_;
+#else
+            qn_->~qname ();
+            cxx::free (qn_);
+#endif
+          }
         }
 
         void qname_pimpl::
@@ -29,9 +40,14 @@ namespace xsde
         {
           qname_pskel::_reset ();
 
-          if (!base_)
+          if (!base_ && qn_)
           {
+#ifndef XSDE_CUSTOM_ALLOCATOR
             delete qn_;
+#else
+            qn_->~qname ();
+            cxx::free (qn_);
+#endif
             qn_ = 0;
           }
         }
@@ -53,7 +69,20 @@ namespace xsde
         {
           if (qn_ == 0)
           {
+#ifndef XSDE_CUSTOM_ALLOCATOR
             qn_ = new qname ();
+#else
+            qn_ = static_cast<qname*> (alloc (sizeof (qname)));
+
+#ifdef XSDE_EXCEPTIONS
+            alloc_guard ag (qn_);
+            new (qn_) qname ();
+            ag.release ();
+#else
+            if (qn_)
+              new (qn_) qname ();
+#endif
+#endif
 
 #ifndef XSDE_EXCEPTIONS
             if (qn_ == 0)
diff --git a/libxsde/xsde/cxx/parser/validating/xml-schema-pskel.hxx b/libxsde/xsde/cxx/parser/validating/xml-schema-pskel.hxx
index a978c6d..4b6b126 100644
--- a/libxsde/xsde/cxx/parser/validating/xml-schema-pskel.hxx
+++ b/libxsde/xsde/cxx/parser/validating/xml-schema-pskel.hxx
@@ -655,7 +655,8 @@ namespace xsde
 
         //
         // String-based types. If STL is disabled you are getting a C
-        // string that you have to delete with delete[].
+        // string that you have to delete with delete[] (or custom 
+        // deallocator if enabled).
         //
 
         struct string_facets