Added boost header

test/external/boost/signals/connection.hpp

@@ -0,0 +1,213 @@
+// Boost.Signals library
+
+// Copyright Douglas Gregor 2001-2004. Use, modification and
+// distribution is subject to the Boost Software License, Version
+// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+// For more information, see http://www.boost.org
+
+#ifndef BOOST_SIGNALS_CONNECTION_HPP
+#define BOOST_SIGNALS_CONNECTION_HPP
+
+#include <boost/signals/detail/signals_common.hpp>
+#include <boost/smart_ptr.hpp>
+#include <boost/operators.hpp>
+#include <boost/any.hpp>
+#include <list>
+#include <cassert>
+#include <utility>
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_PREFIX
+#endif
+
+namespace boost {
+  namespace BOOST_SIGNALS_NAMESPACE {
+    class trackable;
+
+    namespace detail {
+      // Represents an object that has been bound as part of a slot, and how
+      // to notify that object of a disconnect
+      struct bound_object {
+        void* obj;
+        void* data;
+        void (*disconnect)(void*, void*);
+
+        bool operator==(const bound_object& other) const
+          { return obj == other.obj && data == other.data; }
+        bool operator<(const bound_object& other) const
+          { return obj < other.obj; }
+
+        // To support intel 80 compiler, 2004/03/18 (Mark Rodgers)
+        bool operator!=(const bound_object& other) const
+        { return !(*this==other); }
+        bool operator>(const bound_object& other) const
+        { return !(*this < other); }
+      };
+
+      // Describes the connection between a signal and the objects that are
+      // bound for a specific slot. Enables notification of the signal and the
+      // slots when a disconnect is requested.
+      struct basic_connection {
+        void* signal;
+        void* signal_data;
+        void (*signal_disconnect)(void*, void*);
+        bool blocked_;
+
+        std::list<bound_object> bound_objects;
+      };
+    } // end namespace detail
+
+    // The user may freely pass around the "connection" object and terminate
+    // the connection at any time using disconnect().
+    class BOOST_SIGNALS_DECL connection :
+      private less_than_comparable1<connection>,
+      private equality_comparable1<connection>
+    {
+    public:
+      connection() : con(), controlling_connection(false) {}
+      connection(const connection&);
+      ~connection();
+
+      // Block he connection: if the connection is still active, there
+      // will be no notification
+      void block(bool should_block = true) { con->blocked_ = should_block; }
+      void unblock() { con->blocked_ = false; }
+      bool blocked() const { return !connected() || con->blocked_; }
+
+      // Disconnect the signal and slot, if they are connected
+      void disconnect() const;
+
+      // Returns true if the signal and slot are connected
+      bool connected() const { return con.get() && con->signal_disconnect; }
+
+      // Comparison of connections
+      bool operator==(const connection& other) const;
+      bool operator<(const connection& other) const;
+
+      // Connection assignment
+      connection& operator=(const connection& other) ;
+
+      // Swap connections
+      void swap(connection& other);
+
+    public: // TBD: CHANGE THIS
+      // Set whether this connection object is controlling or not
+      void set_controlling(bool control = true)
+      { controlling_connection = control; }
+
+      shared_ptr<BOOST_SIGNALS_NAMESPACE::detail::basic_connection>
+      get_connection() const
+      { return con; }
+
+    private:
+      friend class detail::signal_base_impl;
+      friend class detail::slot_base;
+      friend class trackable;
+
+      // Reset this connection to refer to a different actual connection
+      void reset(BOOST_SIGNALS_NAMESPACE::detail::basic_connection*);
+
+      // Add a bound object to this connection (not for users)
+      void add_bound_object(const BOOST_SIGNALS_NAMESPACE::detail::bound_object& b);
+
+      friend class BOOST_SIGNALS_NAMESPACE::detail::bound_objects_visitor;
+
+      // Pointer to the actual contents of the connection
+      shared_ptr<BOOST_SIGNALS_NAMESPACE::detail::basic_connection> con;
+
+      // True if the destruction of this connection object should disconnect
+      bool controlling_connection;
+    };
+
+    // Similar to connection, but will disconnect the connection when it is
+    // destroyed unless release() has been called.
+    class BOOST_SIGNALS_DECL scoped_connection : public connection {
+    public:
+      scoped_connection() : connection(), released(false) {}
+      scoped_connection(const connection&);
+      scoped_connection(const scoped_connection&);
+      ~scoped_connection();
+
+      connection release();
+
+      inline void swap(scoped_connection&);
+
+      scoped_connection& operator=(const connection&);
+      scoped_connection& operator=(const scoped_connection&);
+
+    private:
+      bool released;
+    };
+
+    namespace detail {
+      struct connection_slot_pair {
+        connection first;
+        any second;
+
+        connection_slot_pair() {}
+
+        connection_slot_pair(const connection& c, const any& a)
+          : first(c), second(a)
+        {
+        }
+
+        // Dummys to allow explicit instantiation to work
+        bool operator==(const connection_slot_pair&) const { return false; }
+        bool operator<(const connection_slot_pair&) const { return false;}
+      };
+
+      // Determines if the underlying connection is disconnected
+      struct is_disconnected {
+        typedef connection_slot_pair argument_type;
+        typedef bool result_type;
+
+        inline bool operator()(const argument_type& c) const
+        {
+          return !c.first.connected();
+        }
+      };
+
+      // Determines if the underlying connection is callable, ie if
+      // it is connected and not blocked
+      struct is_callable {
+        typedef connection_slot_pair argument_type;
+        typedef bool result_type;
+
+        inline bool operator()(const argument_type& c) const
+        {
+          return c.first.connected() && !c.first.blocked() ;
+        }
+      };
+
+      // Autodisconnects the bound object when it is destroyed unless the
+      // release method is invoked.
+      class auto_disconnect_bound_object {
+      public:
+        auto_disconnect_bound_object(const bound_object& b) :
+          binding(b), auto_disconnect(true)
+        {
+        }
+
+        ~auto_disconnect_bound_object()
+        {
+          if (auto_disconnect)
+            binding.disconnect(binding.obj, binding.data);
+        }
+
+        void release() { auto_disconnect = false; }
+
+      private:
+        bound_object binding;
+        bool auto_disconnect;
+      };
+    } // end namespace detail
+  } // end namespace BOOST_SIGNALS_NAMESPACE
+} // end namespace boost
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_SUFFIX
+#endif
+
+#endif // BOOST_SIGNALS_CONNECTION_HPP

test/external/boost/signals/detail/config.hpp

@@ -0,0 +1,54 @@
+/*
+ *
+ * Copyright (c) 1998-2002
+ * John Maddock
+ *
+ * Copyright (c) 2003-2004
+ * Douglas Gregor
+ *
+ * Distributed under the Boost Software License, Version 1.0. (See
+ * accompanying file LICENSE_1_0.txt or copy at
+ * http://www.boost.org/LICENSE_1_0.txt)
+ *
+ */
+
+#ifndef BOOST_SIGNALS_CONFIG_HPP
+#define BOOST_SIGNALS_CONFIG_HPP
+
+#include <boost/config.hpp>
+
+#ifdef BOOST_HAS_DECLSPEC
+#  if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_SIGNALS_DYN_LINK)
+#    ifdef BOOST_SIGNALS_SOURCE
+#      define BOOST_SIGNALS_DECL __declspec(dllexport)
+#    else
+#      define BOOST_SIGNALS_DECL __declspec(dllimport)
+#    endif  // BOOST_SIGNALS_SOURCE
+#  endif  // DYN_LINK
+#endif  // BOOST_HAS_DECLSPEC
+
+#ifndef BOOST_SIGNALS_DECL
+#  define BOOST_SIGNALS_DECL
+#endif
+
+// Setup autolinking
+#if !defined(BOOST_SIGNALS_SOURCE) && !defined(BOOST_ALL_NO_LIB) && !defined(BOOST_SIGNALS_NO_LIB)
+#  define BOOST_LIB_NAME boost_signals
+
+#  if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_SIGNALS_DYN_LINK)
+#    define BOOST_DYN_LINK
+#  endif
+
+#  include <boost/config/auto_link.hpp>
+#endif // autolinking on
+
+#endif // BOOST_SIGNALS_CONFIG_HPP
+
+
+
+
+
+
+
+
+

test/external/boost/signals/detail/gen_signal_N.pl

@@ -0,0 +1,132 @@
+#!/usr/bin/perl -w
+#
+# Boost.Signals library
+
+# Copyright Douglas Gregor 2001-2003. Use, modification and
+# distribution is subject to the Boost Software License, Version
+# 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+# http://www.boost.org/LICENSE_1_0.txt)
+
+# For more information, see http://www.boost.org
+use English;
+
+if ($#ARGV < 0) {
+  print "Usage: perl gen_signal_N <number of arguments>\n";
+  exit;
+}
+
+
+$totalNumArgs = $ARGV[0];
+for ($numArgs = 0; $numArgs <= $totalNumArgs; ++$numArgs) {
+  open OUT, ">signal$numArgs.hpp";
+  print OUT "// Boost.Signals library\n";
+  print OUT "//\n";
+  print OUT "// Copyright (C) 2001 Doug Gregor (gregod\@cs.rpi.edu)\n";
+  print OUT "//\n";
+  print OUT "// Permission to copy, use, sell and distribute this software is granted\n";
+  print OUT "// provided this copyright notice appears in all copies.\n";
+  print OUT "// Permission to modify the code and to distribute modified code is granted\n";
+  print OUT "// provided this copyright notice appears in all copies, and a notice\n";
+  print OUT "// that the code was modified is included with the copyright notice.\n";
+  print OUT "//\n";
+  print OUT "// This software is provided \"as is\" without express or implied warranty,\n";
+  print OUT "// and with no claim as to its suitability for any purpose.\n";
+  print OUT " \n";
+  print OUT "// For more information, see http://www.boost.org\n";
+  print OUT "\n";
+  print OUT "#ifndef BOOST_SIGNALS_SIGNAL" . $numArgs . "_HEADER\n";
+  print OUT "#define BOOST_SIGNALS_SIGNAL" , $numArgs . "_HEADER\n";
+  print OUT "\n";
+  print OUT "#define BOOST_SIGNALS_NUM_ARGS $numArgs\n";
+
+  $templateParms = "";
+  for ($i = 1; $i <= $numArgs; ++$i) {
+    if ($i > 1) {
+      $templateParms .= ", ";
+    }
+    $templateParms .= "typename T$i";
+  }
+  print OUT "#define BOOST_SIGNALS_TEMPLATE_PARMS $templateParms\n";
+
+  $_ = $templateParms;
+  s/typename //g;
+  $templateArgs = $_;
+  print OUT "#define BOOST_SIGNALS_TEMPLATE_ARGS $templateArgs\n";
+
+  $parms = "";
+  for ($i = 1; $i <= $numArgs; ++$i) {
+    if ($i > 1) {
+      $parms .= ", ";
+    }
+    $parms .= "T$i a$i";
+  }
+  print OUT "#define BOOST_SIGNALS_PARMS $parms\n";
+
+  $args = "";
+  for ($i = 1; $i <= $numArgs; ++$i) {
+    if ($i > 1) {
+      $args .= ", ";
+    }
+    $args .= "a$i";
+  }
+  print OUT "#define BOOST_SIGNALS_ARGS $args\n";
+
+  $boundArgs = "";
+  for ($i = 1; $i <= $numArgs; ++$i) {
+    if ($i > 1) {
+      $boundArgs .= ", ";
+    }
+    $boundArgs .= "args->a$i";
+  }
+  print OUT "#define BOOST_SIGNALS_BOUND_ARGS $boundArgs\n";
+
+  $argsAsMembers = "";
+  for ($i = 1; $i <= $numArgs; ++$i) {
+    $argsAsMembers .= "T$i a$i;";
+  }
+  print OUT "#define BOOST_SIGNALS_ARGS_AS_MEMBERS $argsAsMembers\n";
+
+  $copyParms = "";
+  for ($i = 1; $i <= $numArgs; ++$i) {
+    if ($i > 1) {
+      $copyParms .= ", ";
+    }
+    $copyParms .= "T$i ia$i";
+  }
+  print OUT "#define BOOST_SIGNALS_COPY_PARMS $copyParms\n";
+
+  $initArgs = "";
+  if ($numArgs > 0) {
+      $initArgs = ":";
+  }
+  for ($i = 1; $i <= $numArgs; ++$i) {
+    if ($i > 1) {
+      $initArgs .= ", ";
+    }
+    $initArgs .= "a$i(ia$i)";
+  }
+  print OUT "#define BOOST_SIGNALS_INIT_ARGS $initArgs\n";
+
+  $argTypes = "";
+  for ($i = 1; $i <= $numArgs; ++$i) {
+    $argTypes .= "typedef T$i arg". ($i+1) . "_type; ";
+  }
+
+  print OUT "#define BOOST_SIGNALS_ARG_TYPES $argTypes\n";
+  print OUT "\n";
+  print OUT "#include <boost/signals/signal_template.hpp>\n";
+  print OUT "\n";
+  print OUT "#undef BOOST_SIGNALS_ARG_TYPES\n";
+  print OUT "#undef BOOST_SIGNALS_INIT_ARGS\n";
+  print OUT "#undef BOOST_SIGNALS_COPY_PARMS\n";
+  print OUT "#undef BOOST_SIGNALS_ARGS_AS_MEMBERS\n";
+  print OUT "#undef BOOST_SIGNALS_BOUND_ARGS\n";
+  print OUT "#undef BOOST_SIGNALS_ARGS\n";
+  print OUT "#undef BOOST_SIGNALS_PARMS\n";
+  print OUT "#undef BOOST_SIGNALS_TEMPLATE_ARGS\n";
+  print OUT "#undef BOOST_SIGNALS_TEMPLATE_PARMS\n";
+  print OUT "#undef BOOST_SIGNALS_NUM_ARGS\n";
+  print OUT "\n";
+  print OUT "#endif // BOOST_SIGNALS_SIGNAL" . $numArgs . "_HEADER\n";
+  close OUT;
+}

test/external/boost/signals/detail/named_slot_map.hpp

@@ -0,0 +1,193 @@
+// Boost.Signals library
+
+// Copyright Douglas Gregor 2001-2004. Use, modification and
+// distribution is subject to the Boost Software License, Version
+// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+// For more information, see http://www.boost.org
+
+#ifndef BOOST_SIGNALS_NAMED_SLOT_MAP_HPP
+#define BOOST_SIGNALS_NAMED_SLOT_MAP_HPP
+
+#include <boost/signals/detail/config.hpp>
+#include <boost/signals/detail/signals_common.hpp>
+#include <boost/signals/connection.hpp>
+#include <boost/utility.hpp>
+#include <boost/shared_ptr.hpp>
+#include <boost/function/function2.hpp>
+#include <boost/iterator/iterator_facade.hpp>
+#include <map>
+#include <memory>
+#include <utility>
+
+namespace boost { namespace BOOST_SIGNALS_NAMESPACE {
+
+enum connect_position { at_back, at_front };
+
+namespace detail {
+
+class stored_group
+{
+ public:
+  enum storage_kind { sk_empty, sk_front, sk_back, sk_group };
+
+  stored_group(storage_kind p_kind = sk_empty) : kind(p_kind), group() { }
+
+  template<typename T>
+  stored_group(const T& p_group) : kind(sk_group), group(new T(p_group)) { }
+
+  bool is_front() const { return kind == sk_front; }
+  bool is_back() const { return kind == sk_back; }
+  bool empty() const { return kind == sk_empty; }
+
+  void* get() const { return group.get(); }
+
+ private:
+  storage_kind kind;
+  shared_ptr<void> group;
+};
+
+typedef function2<bool, stored_group, stored_group> compare_type;
+
+// This function object bridges from a pair of any objects that hold
+// values of type Key to the underlying function object that compares
+// values of type Key.
+template<typename Compare, typename Key>
+class group_bridge_compare {
+public:
+  typedef bool result_type;
+  typedef const stored_group& first_argument_type;
+  typedef const stored_group& second_argument_type;
+
+  group_bridge_compare(const Compare& c) : comp(c) 
+  { }
+
+  bool operator()(const stored_group& k1, const stored_group& k2) const
+  {
+    if (k1.is_front()) return !k2.is_front();
+    if (k1.is_back()) return false;
+    if (k2.is_front()) return false;
+    if (k2.is_back()) return true;
+
+    // Neither is empty, so compare their values to order them
+    return comp(*static_cast<Key*>(k1.get()), *static_cast<Key*>(k2.get()));
+  }
+
+private:
+  Compare comp;
+};
+
+class BOOST_SIGNALS_DECL named_slot_map_iterator :
+  public iterator_facade<named_slot_map_iterator,
+                         connection_slot_pair,
+                         forward_traversal_tag>
+{
+  typedef std::list<connection_slot_pair> group_list;
+  typedef group_list::iterator slot_pair_iterator;
+  typedef std::map<stored_group, group_list, compare_type> slot_container_type;
+  typedef slot_container_type::iterator group_iterator;
+  typedef slot_container_type::const_iterator const_group_iterator;
+
+  typedef iterator_facade<named_slot_map_iterator,
+                          connection_slot_pair,
+                          forward_traversal_tag> inherited;
+public:
+  named_slot_map_iterator() : slot_assigned(false) 
+  { }
+  named_slot_map_iterator(const named_slot_map_iterator& other) 
+    : group(other.group), last_group(other.last_group),
+    slot_assigned(other.slot_assigned)
+  {
+    if (slot_assigned) slot_ = other.slot_;
+  }
+  named_slot_map_iterator& operator=(const named_slot_map_iterator& other) 
+  {
+    slot_assigned = other.slot_assigned;
+    group = other.group;
+    last_group = other.last_group;
+    if (slot_assigned) slot_ = other.slot_;
+    return *this;
+  }
+  connection_slot_pair& dereference() const 
+  {
+    return *slot_;
+  }
+  void increment() 
+  {
+    ++slot_;
+    if (slot_ == group->second.end()) {
+      ++group;
+      init_next_group();
+    }
+  }
+  bool equal(const named_slot_map_iterator& other) const {
+    return (group == other.group
+        && (group == last_group
+        || slot_ == other.slot_));
+  }
+
+#if BOOST_WORKAROUND(_MSC_VER, <= 1600)
+  void decrement();
+  void advance(difference_type);
+#endif
+
+private:
+  named_slot_map_iterator(group_iterator giter, group_iterator last) :
+    group(giter), last_group(last), slot_assigned(false)
+  { init_next_group(); }
+  named_slot_map_iterator(group_iterator giter, group_iterator last,
+                          slot_pair_iterator slot) :
+    group(giter), last_group(last), slot_(slot), slot_assigned(true)
+  { }
+
+  void init_next_group()
+  {
+    while (group != last_group && group->second.empty()) ++group;
+    if (group != last_group) {
+      slot_ = group->second.begin();
+      slot_assigned = true;
+    }
+  }
+
+  group_iterator group;
+  group_iterator last_group;
+  slot_pair_iterator slot_;
+  bool slot_assigned;
+
+  friend class named_slot_map;
+};
+
+class BOOST_SIGNALS_DECL named_slot_map
+{
+public:
+  typedef named_slot_map_iterator iterator;
+
+  named_slot_map(const compare_type& compare);
+
+  void clear();
+  iterator begin();
+  iterator end();
+  iterator insert(const stored_group& name, const connection& con,
+                  const any& slot, connect_position at);
+  void disconnect(const stored_group& name);
+  void erase(iterator pos);
+  void remove_disconnected_slots();
+
+private:
+  typedef std::list<connection_slot_pair> group_list;
+  typedef std::map<stored_group, group_list, compare_type> slot_container_type;
+  typedef slot_container_type::iterator group_iterator;
+  typedef slot_container_type::const_iterator const_group_iterator;
+
+  bool empty(const_group_iterator group) const
+  {
+    return (group->second.empty() && group != groups.begin() && group != back);
+  }
+  slot_container_type groups;
+  group_iterator back;
+};
+
+} } }
+
+#endif // BOOST_SIGNALS_NAMED_SLOT_MAP_HPP

test/external/boost/signals/detail/signal_base.hpp

@@ -0,0 +1,159 @@
+// Boost.Signals library
+
+// Copyright Douglas Gregor 2001-2004. Use, modification and
+// distribution is subject to the Boost Software License, Version
+// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+// For more information, see http://www.boost.org
+
+#ifndef BOOST_SIGNALS_SIGNAL_BASE_HEADER
+#define BOOST_SIGNALS_SIGNAL_BASE_HEADER
+
+#include <boost/signals/detail/config.hpp>
+#include <boost/signals/detail/signals_common.hpp>
+#include <boost/signals/detail/named_slot_map.hpp>
+#include <boost/signals/connection.hpp>
+#include <boost/signals/trackable.hpp>
+#include <boost/signals/slot.hpp>
+#include <boost/smart_ptr.hpp>
+#include <boost/utility.hpp>
+#include <boost/function/function2.hpp>
+#include <utility>
+#include <vector>
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_PREFIX
+#endif
+
+namespace boost {
+  namespace BOOST_SIGNALS_NAMESPACE {
+    namespace detail {
+      // Must be constructed before calling the slots, because it safely
+      // manages call depth
+      class BOOST_SIGNALS_DECL call_notification {
+      public:
+        call_notification(const shared_ptr<signal_base_impl>&);
+        ~call_notification();
+
+        shared_ptr<signal_base_impl> impl;
+      };
+
+      // Implementation of base class for all signals. It handles the
+      // management of the underlying slot lists.
+      class BOOST_SIGNALS_DECL signal_base_impl {
+      public:
+        friend class call_notification;
+
+        typedef function2<bool, stored_group, stored_group> compare_type;
+
+        // Make sure that an exception does not cause the "clearing" flag to
+        // remain set
+        class temporarily_set_clearing {
+        public:
+          temporarily_set_clearing(signal_base_impl* b) : base(b)
+          {
+            base->flags.clearing = true;
+          }
+
+          ~temporarily_set_clearing()
+          {
+            base->flags.clearing = false;
+          }
+
+        private:
+          signal_base_impl* base;
+        };
+
+        friend class temporarily_set_clearing;
+
+        signal_base_impl(const compare_type&, const any&);
+        ~signal_base_impl();
+
+        // Disconnect all slots connected to this signal
+        void disconnect_all_slots();
+
+        // Are there any connected slots?
+        bool empty() const;
+
+        // The number of connected slots
+        std::size_t num_slots() const;
+
+        // Disconnect all slots in the given group
+        void disconnect(const stored_group&);
+
+        // We're being notified that a slot has disconnected
+        static void slot_disconnected(void* obj, void* data);
+
+        connection connect_slot(const any& slot,
+                                const stored_group& name,
+                                shared_ptr<slot_base::data_t> data,
+                                connect_position at);
+
+      private:
+        // Remove all of the slots that have been marked "disconnected"
+        void remove_disconnected_slots() const;
+
+      public:
+        // Our call depth when invoking slots (> 1 when we have a loop)
+        mutable int call_depth;
+
+        struct {
+          // True if some slots have disconnected, but we were not able to
+          // remove them from the list of slots because there are valid
+          // iterators into the slot list
+          mutable bool delayed_disconnect:1;
+
+          // True if we are disconnecting all disconnected slots
+          bool clearing:1;
+        } flags;
+
+        // Slots
+        mutable named_slot_map slots_;
+        any combiner_;
+
+        // Types
+        typedef named_slot_map::iterator iterator;
+      };
+
+      class BOOST_SIGNALS_DECL signal_base : public noncopyable {
+      public:
+        typedef signal_base_impl::compare_type compare_type;
+
+        friend class call_notification;
+
+        signal_base(const compare_type& comp, const any& combiner);
+        ~signal_base();
+
+      public:
+        // Disconnect all slots connected to this signal
+        void disconnect_all_slots() { impl->disconnect_all_slots(); }
+
+        // Are there any connected slots?
+        bool empty() const { return impl->empty(); }
+
+        // How many slots are connected?
+        std::size_t num_slots() const { return impl->num_slots(); }
+
+      protected:
+        connection connect_slot(const any& slot,
+                                const stored_group& name,
+                                shared_ptr<slot_base::data_t> data,
+                                connect_position at)
+        {
+          return impl->connect_slot(slot, name, data, at);
+        }
+
+        typedef named_slot_map::iterator iterator;
+
+        shared_ptr<signal_base_impl> impl;
+      };
+    } // end namespace detail
+  } // end namespace BOOST_SIGNALS_NAMESPACE
+} // end namespace boost
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_SUFFIX
+#endif
+
+#endif // BOOST_SIGNALS_SIGNAL_BASE_HEADER

test/external/boost/signals/detail/signals_common.hpp

@@ -0,0 +1,162 @@
+// Boost.Signals library
+
+// Copyright Douglas Gregor 2001-2004. Use, modification and
+// distribution is subject to the Boost Software License, Version
+// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+// For more information, see http://www.boost.org
+
+#ifndef BOOST_SIGNALS_COMMON_HEADER
+#define BOOST_SIGNALS_COMMON_HEADER
+
+#ifndef BOOST_SIGNALS_NAMESPACE
+#  define BOOST_SIGNALS_NAMESPACE signals
+#endif
+
+#include <boost/type_traits/conversion_traits.hpp>
+#include <boost/ref.hpp>
+#include <boost/signals/detail/config.hpp>
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_PREFIX
+#endif
+
+namespace boost {
+  namespace BOOST_SIGNALS_NAMESPACE {
+    namespace detail {
+      // The unusable class is a placeholder for unused function arguments
+      // It is also completely unusable except that it constructable from
+      // anything. This helps compilers without partial specialization
+      // handle slots returning void.
+      struct unusable {
+        unusable() {}
+      };
+
+      // Determine the result type of a slot call
+      template<typename R>
+      struct slot_result_type {
+        typedef R type;
+      };
+
+      template<>
+      struct slot_result_type<void> {
+        typedef unusable type;
+      };
+
+      // Determine if the given type T is a signal
+      class signal_base;
+
+      template<typename T>
+      struct is_signal {
+        BOOST_STATIC_CONSTANT(bool,
+          value = (is_convertible<T*, signal_base*>::value));
+      };
+
+      /*
+       * The IF implementation is temporary code. When a Boost metaprogramming
+       * library is introduced, Boost.Signals will use it instead.
+       */
+      namespace intimate {
+        struct SelectThen
+        {
+          template<typename Then, typename Else>
+          struct Result
+          {
+            typedef Then type;
+          };
+        };
+
+        struct SelectElse
+        {
+          template<typename Then, typename Else>
+          struct Result
+          {
+            typedef Else type;
+          };
+        };
+
+        template<bool Condition>
+        struct Selector
+        {
+          typedef SelectThen type;
+        };
+
+        template<>
+        struct Selector<false>
+        {
+          typedef SelectElse type;
+        };
+      } // end namespace intimate
+
+      template<bool Condition, typename Then, typename Else>
+      struct IF
+      {
+        typedef typename intimate::Selector<Condition>::type select;
+        typedef typename select::template Result<Then,Else>::type type;
+      };
+
+      // Determine if the incoming argument is a reference_wrapper
+#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+      template<typename T>
+      struct is_ref
+      {
+        BOOST_STATIC_CONSTANT(bool, value = false);
+      };
+
+      template<typename T>
+      struct is_ref<reference_wrapper<T> >
+      {
+        BOOST_STATIC_CONSTANT(bool, value = true);
+      };
+#else // no partial specialization
+      typedef char yes_type;
+      typedef double no_type;
+
+      no_type is_ref_tester(...);
+
+      template<typename T>
+      yes_type is_ref_tester(reference_wrapper<T>*);
+
+      template<typename T>
+      struct is_ref
+      {
+        static T* t;
+        BOOST_STATIC_CONSTANT(bool,
+          value = (sizeof(is_ref_tester(t)) == sizeof(yes_type)));
+      };
+#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+
+      // A slot can be a signal, a reference to a function object, or a
+      // function object.
+      struct signal_tag {};
+      struct reference_tag {};
+      struct value_tag {};
+
+      // Classify the given slot as a signal, a reference-to-slot, or a
+      // standard slot
+      template<typename S>
+      class get_slot_tag {
+        typedef typename IF<(is_signal<S>::value),
+                            signal_tag,
+                            value_tag>::type signal_or_value;
+
+      public:
+        typedef typename IF<(is_ref<S>::value),
+                            reference_tag,
+                            signal_or_value>::type type;
+      };
+
+      // Forward declaration needed in lots of places
+      class signal_base_impl;
+      class bound_objects_visitor;
+      class slot_base;
+    } // end namespace detail
+  } // end namespace BOOST_SIGNALS_NAMESPACE
+} // end namespace boost
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_SUFFIX
+#endif
+
+#endif // BOOST_SIGNALS_COMMON_HEADER

test/external/boost/signals/detail/slot_call_iterator.hpp

@@ -0,0 +1,95 @@
+// Boost.Signals library
+
+// Copyright Douglas Gregor 2001-2004. Use, modification and
+// distribution is subject to the Boost Software License, Version
+// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+// For more information, see http://www.boost.org
+
+#ifndef BOOST_SIGNALS_SLOT_CALL_ITERATOR
+#define BOOST_SIGNALS_SLOT_CALL_ITERATOR
+
+#include <memory>
+#include <boost/iterator/iterator_facade.hpp>
+#include <boost/smart_ptr.hpp>
+#include <boost/signals/detail/config.hpp>
+#include <boost/signals/connection.hpp>
+#include <boost/optional.hpp>
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_PREFIX
+#endif
+
+namespace boost {
+  namespace BOOST_SIGNALS_NAMESPACE {
+    namespace detail {
+
+      // Generates a slot call iterator. Essentially, this is an iterator that:
+      //   - skips over disconnected slots in the underlying list
+      //   - calls the connected slots when dereferenced
+      //   - caches the result of calling the slots
+      template<typename Function, typename Iterator>
+      class slot_call_iterator
+        : public iterator_facade<slot_call_iterator<Function, Iterator>,
+                                 typename Function::result_type,
+                                 single_pass_traversal_tag,
+                                 typename Function::result_type const&>
+      {
+        typedef iterator_facade<slot_call_iterator<Function, Iterator>,
+                                typename Function::result_type,
+                                single_pass_traversal_tag,
+                                typename Function::result_type const&>
+          inherited;
+
+        typedef typename Function::result_type result_type;
+
+        friend class iterator_core_access;
+
+      public:
+        slot_call_iterator(Iterator iter_in, Iterator end_in, Function func,
+                           optional<result_type> &c)
+          : iter(iter_in), end(end_in), f(func), cache(&c)
+        {
+          iter = std::find_if(iter, end, is_callable());
+        }
+
+        typename inherited::reference
+        dereference() const
+        {
+          if (!cache->is_initialized()) {
+            cache->reset(f(*iter));
+          }
+
+          return cache->get();
+        }
+
+        void increment()
+        {
+          iter = std::find_if(++iter, end, is_callable());
+          cache->reset();
+        }
+
+        bool equal(const slot_call_iterator& other) const
+        {
+          iter = std::find_if(iter, end, is_callable());
+          other.iter = std::find_if(other.iter, other.end,
+                                    is_callable());
+          return iter == other.iter;
+        }
+
+      private:
+        mutable Iterator iter;
+        Iterator end;
+        Function f;
+        optional<result_type>* cache;
+      };
+    } // end namespace detail
+  } // end namespace BOOST_SIGNALS_NAMESPACE
+} // end namespace boost
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_SUFFIX
+#endif
+
+#endif // BOOST_SIGNALS_SLOT_CALL_ITERATOR

test/external/boost/signals/signal0.hpp

@@ -0,0 +1,37 @@
+// Boost.Signals library
+
+// Copyright Douglas Gregor 2001-2003. Use, modification and
+// distribution is subject to the Boost Software License, Version
+// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+// For more information, see http://www.boost.org
+
+#ifndef BOOST_SIGNALS_SIGNAL0_HEADER
+#define BOOST_SIGNALS_SIGNAL0_HEADER
+
+#define BOOST_SIGNALS_NUM_ARGS 0
+#define BOOST_SIGNALS_TEMPLATE_PARMS
+#define BOOST_SIGNALS_TEMPLATE_ARGS
+#define BOOST_SIGNALS_PARMS
+#define BOOST_SIGNALS_ARGS
+#define BOOST_SIGNALS_BOUND_ARGS
+#define BOOST_SIGNALS_ARGS_AS_MEMBERS
+#define BOOST_SIGNALS_COPY_PARMS
+#define BOOST_SIGNALS_INIT_ARGS
+#define BOOST_SIGNALS_ARG_TYPES
+
+#include <boost/signals/signal_template.hpp>
+
+#undef BOOST_SIGNALS_ARG_TYPES
+#undef BOOST_SIGNALS_INIT_ARGS
+#undef BOOST_SIGNALS_COPY_PARMS
+#undef BOOST_SIGNALS_ARGS_AS_MEMBERS
+#undef BOOST_SIGNALS_BOUND_ARGS
+#undef BOOST_SIGNALS_ARGS
+#undef BOOST_SIGNALS_PARMS
+#undef BOOST_SIGNALS_TEMPLATE_ARGS
+#undef BOOST_SIGNALS_TEMPLATE_PARMS
+#undef BOOST_SIGNALS_NUM_ARGS
+
+#endif // BOOST_SIGNALS_SIGNAL0_HEADER

test/external/boost/signals/signal1.hpp

@@ -0,0 +1,37 @@
+// Boost.Signals library
+
+// Copyright Douglas Gregor 2001-2003. Use, modification and
+// distribution is subject to the Boost Software License, Version
+// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+// For more information, see http://www.boost.org
+
+#ifndef BOOST_SIGNALS_SIGNAL1_HEADER
+#define BOOST_SIGNALS_SIGNAL1_HEADER
+
+#define BOOST_SIGNALS_NUM_ARGS 1
+#define BOOST_SIGNALS_TEMPLATE_PARMS typename T1
+#define BOOST_SIGNALS_TEMPLATE_ARGS T1
+#define BOOST_SIGNALS_PARMS T1 a1
+#define BOOST_SIGNALS_ARGS a1
+#define BOOST_SIGNALS_BOUND_ARGS args->a1
+#define BOOST_SIGNALS_ARGS_AS_MEMBERS T1 a1;
+#define BOOST_SIGNALS_COPY_PARMS T1 ia1
+#define BOOST_SIGNALS_INIT_ARGS :a1(ia1)
+#define BOOST_SIGNALS_ARG_TYPES typedef T1 arg1_type;
+
+#include <boost/signals/signal_template.hpp>
+
+#undef BOOST_SIGNALS_ARG_TYPES
+#undef BOOST_SIGNALS_INIT_ARGS
+#undef BOOST_SIGNALS_COPY_PARMS
+#undef BOOST_SIGNALS_ARGS_AS_MEMBERS
+#undef BOOST_SIGNALS_BOUND_ARGS
+#undef BOOST_SIGNALS_ARGS
+#undef BOOST_SIGNALS_PARMS
+#undef BOOST_SIGNALS_TEMPLATE_ARGS
+#undef BOOST_SIGNALS_TEMPLATE_PARMS
+#undef BOOST_SIGNALS_NUM_ARGS
+
+#endif // BOOST_SIGNALS_SIGNAL1_HEADER

test/external/boost/signals/signal10.hpp

@@ -0,0 +1,37 @@
+// Boost.Signals library
+
+// Copyright Douglas Gregor 2001-2003. Use, modification and
+// distribution is subject to the Boost Software License, Version
+// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+// For more information, see http://www.boost.org
+
+#ifndef BOOST_SIGNALS_SIGNAL10_HEADER
+#define BOOST_SIGNALS_SIGNAL10_HEADER
+
+#define BOOST_SIGNALS_NUM_ARGS 10
+#define BOOST_SIGNALS_TEMPLATE_PARMS typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9, typename T10
+#define BOOST_SIGNALS_TEMPLATE_ARGS T1, T2, T3, T4, T5, T6, T7, T8, T9, T10
+#define BOOST_SIGNALS_PARMS T1 a1, T2 a2, T3 a3, T4 a4, T5 a5, T6 a6, T7 a7, T8 a8, T9 a9, T10 a10
+#define BOOST_SIGNALS_ARGS a1, a2, a3, a4, a5, a6, a7, a8, a9, a10
+#define BOOST_SIGNALS_BOUND_ARGS args->a1, args->a2, args->a3, args->a4, args->a5, args->a6, args->a7, args->a8, args->a9, args->a10
+#define BOOST_SIGNALS_ARGS_AS_MEMBERS T1 a1;T2 a2;T3 a3;T4 a4;T5 a5;T6 a6;T7 a7;T8 a8;T9 a9;T10 a10;
+#define BOOST_SIGNALS_COPY_PARMS T1 ia1, T2 ia2, T3 ia3, T4 ia4, T5 ia5, T6 ia6, T7 ia7, T8 ia8, T9 ia9, T10 ia10
+#define BOOST_SIGNALS_INIT_ARGS :a1(ia1), a2(ia2), a3(ia3), a4(ia4), a5(ia5), a6(ia6), a7(ia7), a8(ia8), a9(ia9), a10(ia10)
+#define BOOST_SIGNALS_ARG_TYPES typedef T1 arg1_type; typedef T2 arg2_type; typedef T3 arg3_type; typedef T4 arg4_type; typedef T5 arg5_type; typedef T6 arg6_type; typedef T7 arg7_type; typedef T8 arg8_type; typedef T9 arg9_type; typedef T10 arg10_type;
+
+#include <boost/signals/signal_template.hpp>
+
+#undef BOOST_SIGNALS_ARG_TYPES
+#undef BOOST_SIGNALS_INIT_ARGS
+#undef BOOST_SIGNALS_COPY_PARMS
+#undef BOOST_SIGNALS_ARGS_AS_MEMBERS
+#undef BOOST_SIGNALS_BOUND_ARGS
+#undef BOOST_SIGNALS_ARGS
+#undef BOOST_SIGNALS_PARMS
+#undef BOOST_SIGNALS_TEMPLATE_ARGS
+#undef BOOST_SIGNALS_TEMPLATE_PARMS
+#undef BOOST_SIGNALS_NUM_ARGS
+
+#endif // BOOST_SIGNALS_SIGNAL10_HEADER

test/external/boost/signals/signal2.hpp

@@ -0,0 +1,37 @@
+// Boost.Signals library
+
+// Copyright Douglas Gregor 2001-2003. Use, modification and
+// distribution is subject to the Boost Software License, Version
+// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+// For more information, see http://www.boost.org
+
+#ifndef BOOST_SIGNALS_SIGNAL2_HEADER
+#define BOOST_SIGNALS_SIGNAL2_HEADER
+
+#define BOOST_SIGNALS_NUM_ARGS 2
+#define BOOST_SIGNALS_TEMPLATE_PARMS typename T1, typename T2
+#define BOOST_SIGNALS_TEMPLATE_ARGS T1, T2
+#define BOOST_SIGNALS_PARMS T1 a1, T2 a2
+#define BOOST_SIGNALS_ARGS a1, a2
+#define BOOST_SIGNALS_BOUND_ARGS args->a1, args->a2
+#define BOOST_SIGNALS_ARGS_AS_MEMBERS T1 a1;T2 a2;
+#define BOOST_SIGNALS_COPY_PARMS T1 ia1, T2 ia2
+#define BOOST_SIGNALS_INIT_ARGS :a1(ia1), a2(ia2)
+#define BOOST_SIGNALS_ARG_TYPES typedef T1 arg1_type; typedef T2 arg2_type;
+
+#include <boost/signals/signal_template.hpp>
+
+#undef BOOST_SIGNALS_ARG_TYPES
+#undef BOOST_SIGNALS_INIT_ARGS
+#undef BOOST_SIGNALS_COPY_PARMS
+#undef BOOST_SIGNALS_ARGS_AS_MEMBERS
+#undef BOOST_SIGNALS_BOUND_ARGS
+#undef BOOST_SIGNALS_ARGS
+#undef BOOST_SIGNALS_PARMS
+#undef BOOST_SIGNALS_TEMPLATE_ARGS
+#undef BOOST_SIGNALS_TEMPLATE_PARMS
+#undef BOOST_SIGNALS_NUM_ARGS
+
+#endif // BOOST_SIGNALS_SIGNAL2_HEADER

test/external/boost/signals/signal3.hpp

@@ -0,0 +1,37 @@
+// Boost.Signals library
+
+// Copyright Douglas Gregor 2001-2003. Use, modification and
+// distribution is subject to the Boost Software License, Version
+// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+// For more information, see http://www.boost.org
+
+#ifndef BOOST_SIGNALS_SIGNAL3_HEADER
+#define BOOST_SIGNALS_SIGNAL3_HEADER
+
+#define BOOST_SIGNALS_NUM_ARGS 3
+#define BOOST_SIGNALS_TEMPLATE_PARMS typename T1, typename T2, typename T3
+#define BOOST_SIGNALS_TEMPLATE_ARGS T1, T2, T3
+#define BOOST_SIGNALS_PARMS T1 a1, T2 a2, T3 a3
+#define BOOST_SIGNALS_ARGS a1, a2, a3
+#define BOOST_SIGNALS_BOUND_ARGS args->a1, args->a2, args->a3
+#define BOOST_SIGNALS_ARGS_AS_MEMBERS T1 a1;T2 a2;T3 a3;
+#define BOOST_SIGNALS_COPY_PARMS T1 ia1, T2 ia2, T3 ia3
+#define BOOST_SIGNALS_INIT_ARGS :a1(ia1), a2(ia2), a3(ia3)
+#define BOOST_SIGNALS_ARG_TYPES typedef T1 arg1_type; typedef T2 arg2_type; typedef T3 arg3_type;
+
+#include <boost/signals/signal_template.hpp>
+
+#undef BOOST_SIGNALS_ARG_TYPES
+#undef BOOST_SIGNALS_INIT_ARGS
+#undef BOOST_SIGNALS_COPY_PARMS
+#undef BOOST_SIGNALS_ARGS_AS_MEMBERS
+#undef BOOST_SIGNALS_BOUND_ARGS
+#undef BOOST_SIGNALS_ARGS
+#undef BOOST_SIGNALS_PARMS
+#undef BOOST_SIGNALS_TEMPLATE_ARGS
+#undef BOOST_SIGNALS_TEMPLATE_PARMS
+#undef BOOST_SIGNALS_NUM_ARGS
+
+#endif // BOOST_SIGNALS_SIGNAL3_HEADER

test/external/boost/signals/signal4.hpp

@@ -0,0 +1,37 @@
+// Boost.Signals library
+
+// Copyright Douglas Gregor 2001-2003. Use, modification and
+// distribution is subject to the Boost Software License, Version
+// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+// For more information, see http://www.boost.org
+
+#ifndef BOOST_SIGNALS_SIGNAL4_HEADER
+#define BOOST_SIGNALS_SIGNAL4_HEADER
+
+#define BOOST_SIGNALS_NUM_ARGS 4
+#define BOOST_SIGNALS_TEMPLATE_PARMS typename T1, typename T2, typename T3, typename T4
+#define BOOST_SIGNALS_TEMPLATE_ARGS T1, T2, T3, T4
+#define BOOST_SIGNALS_PARMS T1 a1, T2 a2, T3 a3, T4 a4
+#define BOOST_SIGNALS_ARGS a1, a2, a3, a4
+#define BOOST_SIGNALS_BOUND_ARGS args->a1, args->a2, args->a3, args->a4
+#define BOOST_SIGNALS_ARGS_AS_MEMBERS T1 a1;T2 a2;T3 a3;T4 a4;
+#define BOOST_SIGNALS_COPY_PARMS T1 ia1, T2 ia2, T3 ia3, T4 ia4
+#define BOOST_SIGNALS_INIT_ARGS :a1(ia1), a2(ia2), a3(ia3), a4(ia4)
+#define BOOST_SIGNALS_ARG_TYPES typedef T1 arg1_type; typedef T2 arg2_type; typedef T3 arg3_type; typedef T4 arg4_type;
+
+#include <boost/signals/signal_template.hpp>
+
+#undef BOOST_SIGNALS_ARG_TYPES
+#undef BOOST_SIGNALS_INIT_ARGS
+#undef BOOST_SIGNALS_COPY_PARMS
+#undef BOOST_SIGNALS_ARGS_AS_MEMBERS
+#undef BOOST_SIGNALS_BOUND_ARGS
+#undef BOOST_SIGNALS_ARGS
+#undef BOOST_SIGNALS_PARMS
+#undef BOOST_SIGNALS_TEMPLATE_ARGS
+#undef BOOST_SIGNALS_TEMPLATE_PARMS
+#undef BOOST_SIGNALS_NUM_ARGS
+
+#endif // BOOST_SIGNALS_SIGNAL4_HEADER

test/external/boost/signals/signal5.hpp

@@ -0,0 +1,37 @@
+// Boost.Signals library
+
+// Copyright Douglas Gregor 2001-2003. Use, modification and
+// distribution is subject to the Boost Software License, Version
+// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+// For more information, see http://www.boost.org
+
+#ifndef BOOST_SIGNALS_SIGNAL5_HEADER
+#define BOOST_SIGNALS_SIGNAL5_HEADER
+
+#define BOOST_SIGNALS_NUM_ARGS 5
+#define BOOST_SIGNALS_TEMPLATE_PARMS typename T1, typename T2, typename T3, typename T4, typename T5
+#define BOOST_SIGNALS_TEMPLATE_ARGS T1, T2, T3, T4, T5
+#define BOOST_SIGNALS_PARMS T1 a1, T2 a2, T3 a3, T4 a4, T5 a5
+#define BOOST_SIGNALS_ARGS a1, a2, a3, a4, a5
+#define BOOST_SIGNALS_BOUND_ARGS args->a1, args->a2, args->a3, args->a4, args->a5
+#define BOOST_SIGNALS_ARGS_AS_MEMBERS T1 a1;T2 a2;T3 a3;T4 a4;T5 a5;
+#define BOOST_SIGNALS_COPY_PARMS T1 ia1, T2 ia2, T3 ia3, T4 ia4, T5 ia5
+#define BOOST_SIGNALS_INIT_ARGS :a1(ia1), a2(ia2), a3(ia3), a4(ia4), a5(ia5)
+#define BOOST_SIGNALS_ARG_TYPES typedef T1 arg1_type; typedef T2 arg2_type; typedef T3 arg3_type; typedef T4 arg4_type; typedef T5 arg5_type;
+
+#include <boost/signals/signal_template.hpp>
+
+#undef BOOST_SIGNALS_ARG_TYPES
+#undef BOOST_SIGNALS_INIT_ARGS
+#undef BOOST_SIGNALS_COPY_PARMS
+#undef BOOST_SIGNALS_ARGS_AS_MEMBERS
+#undef BOOST_SIGNALS_BOUND_ARGS
+#undef BOOST_SIGNALS_ARGS
+#undef BOOST_SIGNALS_PARMS
+#undef BOOST_SIGNALS_TEMPLATE_ARGS
+#undef BOOST_SIGNALS_TEMPLATE_PARMS
+#undef BOOST_SIGNALS_NUM_ARGS
+
+#endif // BOOST_SIGNALS_SIGNAL5_HEADER

test/external/boost/signals/signal6.hpp

@@ -0,0 +1,37 @@
+// Boost.Signals library
+
+// Copyright Douglas Gregor 2001-2003. Use, modification and
+// distribution is subject to the Boost Software License, Version
+// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+// For more information, see http://www.boost.org
+
+#ifndef BOOST_SIGNALS_SIGNAL6_HEADER
+#define BOOST_SIGNALS_SIGNAL6_HEADER
+
+#define BOOST_SIGNALS_NUM_ARGS 6
+#define BOOST_SIGNALS_TEMPLATE_PARMS typename T1, typename T2, typename T3, typename T4, typename T5, typename T6
+#define BOOST_SIGNALS_TEMPLATE_ARGS T1, T2, T3, T4, T5, T6
+#define BOOST_SIGNALS_PARMS T1 a1, T2 a2, T3 a3, T4 a4, T5 a5, T6 a6
+#define BOOST_SIGNALS_ARGS a1, a2, a3, a4, a5, a6
+#define BOOST_SIGNALS_BOUND_ARGS args->a1, args->a2, args->a3, args->a4, args->a5, args->a6
+#define BOOST_SIGNALS_ARGS_AS_MEMBERS T1 a1;T2 a2;T3 a3;T4 a4;T5 a5;T6 a6;
+#define BOOST_SIGNALS_COPY_PARMS T1 ia1, T2 ia2, T3 ia3, T4 ia4, T5 ia5, T6 ia6
+#define BOOST_SIGNALS_INIT_ARGS :a1(ia1), a2(ia2), a3(ia3), a4(ia4), a5(ia5), a6(ia6)
+#define BOOST_SIGNALS_ARG_TYPES typedef T1 arg1_type; typedef T2 arg2_type; typedef T3 arg3_type; typedef T4 arg4_type; typedef T5 arg5_type; typedef T6 arg6_type;
+
+#include <boost/signals/signal_template.hpp>
+
+#undef BOOST_SIGNALS_ARG_TYPES
+#undef BOOST_SIGNALS_INIT_ARGS
+#undef BOOST_SIGNALS_COPY_PARMS
+#undef BOOST_SIGNALS_ARGS_AS_MEMBERS
+#undef BOOST_SIGNALS_BOUND_ARGS
+#undef BOOST_SIGNALS_ARGS
+#undef BOOST_SIGNALS_PARMS
+#undef BOOST_SIGNALS_TEMPLATE_ARGS
+#undef BOOST_SIGNALS_TEMPLATE_PARMS
+#undef BOOST_SIGNALS_NUM_ARGS
+
+#endif // BOOST_SIGNALS_SIGNAL6_HEADER

test/external/boost/signals/signal7.hpp

@@ -0,0 +1,37 @@
+// Boost.Signals library
+
+// Copyright Douglas Gregor 2001-2003. Use, modification and
+// distribution is subject to the Boost Software License, Version
+// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+// For more information, see http://www.boost.org
+
+#ifndef BOOST_SIGNALS_SIGNAL7_HEADER
+#define BOOST_SIGNALS_SIGNAL7_HEADER
+
+#define BOOST_SIGNALS_NUM_ARGS 7
+#define BOOST_SIGNALS_TEMPLATE_PARMS typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7
+#define BOOST_SIGNALS_TEMPLATE_ARGS T1, T2, T3, T4, T5, T6, T7
+#define BOOST_SIGNALS_PARMS T1 a1, T2 a2, T3 a3, T4 a4, T5 a5, T6 a6, T7 a7
+#define BOOST_SIGNALS_ARGS a1, a2, a3, a4, a5, a6, a7
+#define BOOST_SIGNALS_BOUND_ARGS args->a1, args->a2, args->a3, args->a4, args->a5, args->a6, args->a7
+#define BOOST_SIGNALS_ARGS_AS_MEMBERS T1 a1;T2 a2;T3 a3;T4 a4;T5 a5;T6 a6;T7 a7;
+#define BOOST_SIGNALS_COPY_PARMS T1 ia1, T2 ia2, T3 ia3, T4 ia4, T5 ia5, T6 ia6, T7 ia7
+#define BOOST_SIGNALS_INIT_ARGS :a1(ia1), a2(ia2), a3(ia3), a4(ia4), a5(ia5), a6(ia6), a7(ia7)
+#define BOOST_SIGNALS_ARG_TYPES typedef T1 arg1_type; typedef T2 arg2_type; typedef T3 arg3_type; typedef T4 arg4_type; typedef T5 arg5_type; typedef T6 arg6_type; typedef T7 arg7_type;
+
+#include <boost/signals/signal_template.hpp>
+
+#undef BOOST_SIGNALS_ARG_TYPES
+#undef BOOST_SIGNALS_INIT_ARGS
+#undef BOOST_SIGNALS_COPY_PARMS
+#undef BOOST_SIGNALS_ARGS_AS_MEMBERS
+#undef BOOST_SIGNALS_BOUND_ARGS
+#undef BOOST_SIGNALS_ARGS
+#undef BOOST_SIGNALS_PARMS
+#undef BOOST_SIGNALS_TEMPLATE_ARGS
+#undef BOOST_SIGNALS_TEMPLATE_PARMS
+#undef BOOST_SIGNALS_NUM_ARGS
+
+#endif // BOOST_SIGNALS_SIGNAL7_HEADER

test/external/boost/signals/signal8.hpp

@@ -0,0 +1,37 @@
+// Boost.Signals library
+
+// Copyright Douglas Gregor 2001-2003. Use, modification and
+// distribution is subject to the Boost Software License, Version
+// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+// For more information, see http://www.boost.org
+
+#ifndef BOOST_SIGNALS_SIGNAL8_HEADER
+#define BOOST_SIGNALS_SIGNAL8_HEADER
+
+#define BOOST_SIGNALS_NUM_ARGS 8
+#define BOOST_SIGNALS_TEMPLATE_PARMS typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8
+#define BOOST_SIGNALS_TEMPLATE_ARGS T1, T2, T3, T4, T5, T6, T7, T8
+#define BOOST_SIGNALS_PARMS T1 a1, T2 a2, T3 a3, T4 a4, T5 a5, T6 a6, T7 a7, T8 a8
+#define BOOST_SIGNALS_ARGS a1, a2, a3, a4, a5, a6, a7, a8
+#define BOOST_SIGNALS_BOUND_ARGS args->a1, args->a2, args->a3, args->a4, args->a5, args->a6, args->a7, args->a8
+#define BOOST_SIGNALS_ARGS_AS_MEMBERS T1 a1;T2 a2;T3 a3;T4 a4;T5 a5;T6 a6;T7 a7;T8 a8;
+#define BOOST_SIGNALS_COPY_PARMS T1 ia1, T2 ia2, T3 ia3, T4 ia4, T5 ia5, T6 ia6, T7 ia7, T8 ia8
+#define BOOST_SIGNALS_INIT_ARGS :a1(ia1), a2(ia2), a3(ia3), a4(ia4), a5(ia5), a6(ia6), a7(ia7), a8(ia8)
+#define BOOST_SIGNALS_ARG_TYPES typedef T1 arg1_type; typedef T2 arg2_type; typedef T3 arg3_type; typedef T4 arg4_type; typedef T5 arg5_type; typedef T6 arg6_type; typedef T7 arg7_type; typedef T8 arg8_type;
+
+#include <boost/signals/signal_template.hpp>
+
+#undef BOOST_SIGNALS_ARG_TYPES
+#undef BOOST_SIGNALS_INIT_ARGS
+#undef BOOST_SIGNALS_COPY_PARMS
+#undef BOOST_SIGNALS_ARGS_AS_MEMBERS
+#undef BOOST_SIGNALS_BOUND_ARGS
+#undef BOOST_SIGNALS_ARGS
+#undef BOOST_SIGNALS_PARMS
+#undef BOOST_SIGNALS_TEMPLATE_ARGS
+#undef BOOST_SIGNALS_TEMPLATE_PARMS
+#undef BOOST_SIGNALS_NUM_ARGS
+
+#endif // BOOST_SIGNALS_SIGNAL8_HEADER

test/external/boost/signals/signal9.hpp

@@ -0,0 +1,37 @@
+// Boost.Signals library
+
+// Copyright Douglas Gregor 2001-2003. Use, modification and
+// distribution is subject to the Boost Software License, Version
+// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+// For more information, see http://www.boost.org
+
+#ifndef BOOST_SIGNALS_SIGNAL9_HEADER
+#define BOOST_SIGNALS_SIGNAL9_HEADER
+
+#define BOOST_SIGNALS_NUM_ARGS 9
+#define BOOST_SIGNALS_TEMPLATE_PARMS typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9
+#define BOOST_SIGNALS_TEMPLATE_ARGS T1, T2, T3, T4, T5, T6, T7, T8, T9
+#define BOOST_SIGNALS_PARMS T1 a1, T2 a2, T3 a3, T4 a4, T5 a5, T6 a6, T7 a7, T8 a8, T9 a9
+#define BOOST_SIGNALS_ARGS a1, a2, a3, a4, a5, a6, a7, a8, a9
+#define BOOST_SIGNALS_BOUND_ARGS args->a1, args->a2, args->a3, args->a4, args->a5, args->a6, args->a7, args->a8, args->a9
+#define BOOST_SIGNALS_ARGS_AS_MEMBERS T1 a1;T2 a2;T3 a3;T4 a4;T5 a5;T6 a6;T7 a7;T8 a8;T9 a9;
+#define BOOST_SIGNALS_COPY_PARMS T1 ia1, T2 ia2, T3 ia3, T4 ia4, T5 ia5, T6 ia6, T7 ia7, T8 ia8, T9 ia9
+#define BOOST_SIGNALS_INIT_ARGS :a1(ia1), a2(ia2), a3(ia3), a4(ia4), a5(ia5), a6(ia6), a7(ia7), a8(ia8), a9(ia9)
+#define BOOST_SIGNALS_ARG_TYPES typedef T1 arg1_type; typedef T2 arg2_type; typedef T3 arg3_type; typedef T4 arg4_type; typedef T5 arg5_type; typedef T6 arg6_type; typedef T7 arg7_type; typedef T8 arg8_type; typedef T9 arg9_type;
+
+#include <boost/signals/signal_template.hpp>
+
+#undef BOOST_SIGNALS_ARG_TYPES
+#undef BOOST_SIGNALS_INIT_ARGS
+#undef BOOST_SIGNALS_COPY_PARMS
+#undef BOOST_SIGNALS_ARGS_AS_MEMBERS
+#undef BOOST_SIGNALS_BOUND_ARGS
+#undef BOOST_SIGNALS_ARGS
+#undef BOOST_SIGNALS_PARMS
+#undef BOOST_SIGNALS_TEMPLATE_ARGS
+#undef BOOST_SIGNALS_TEMPLATE_PARMS
+#undef BOOST_SIGNALS_NUM_ARGS
+
+#endif // BOOST_SIGNALS_SIGNAL9_HEADER

test/external/boost/signals/signal_template.hpp

@@ -0,0 +1,410 @@
+// Boost.Signals library
+
+// Copyright Douglas Gregor 2001-2004. Use, modification and
+// distribution is subject to the Boost Software License, Version
+// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+// For more information, see http://www.boost.org
+
+// This file intentionally does not have include guards, because it is meant
+// to be included multiple times (one for each signalN class). The
+// BOOST_SIGNALS_SIGNAL_TEMPLATE_HEADER_INCLUDED macro merely serves to
+// suppress reinclusion of the files that this header depends on.
+
+#ifndef BOOST_SIGNALS_SIGNAL_TEMPLATE_HEADER_INCLUDED
+#define BOOST_SIGNALS_SIGNAL_TEMPLATE_HEADER_INCLUDED
+#  include <boost/config.hpp>
+#  include <boost/signals/connection.hpp>
+#  include <boost/utility.hpp>
+#  include <boost/ref.hpp>
+#  include <boost/signals/slot.hpp>
+#  include <boost/last_value.hpp>
+#  include <boost/signals/detail/signal_base.hpp>
+#  include <boost/signals/detail/slot_call_iterator.hpp>
+#  include <boost/mpl/bool.hpp>
+#  include <boost/type_traits/is_convertible.hpp>
+#  include <cassert>
+#  include <functional>
+#  include <memory>
+#endif // !BOOST_SIGNALS_SIGNAL_TEMPLATE_HEADER_INCLUDED
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_PREFIX
+#endif
+
+// Include the appropriate functionN header
+#define BOOST_SIGNAL_FUNCTION_N_HEADER BOOST_JOIN(<boost/function/function,BOOST_SIGNALS_NUM_ARGS.hpp>)
+#include BOOST_SIGNAL_FUNCTION_N_HEADER
+
+// Determine if a comma should follow a listing of the arguments/parameters
+#if BOOST_SIGNALS_NUM_ARGS == 0
+#  define BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS
+#else
+#  define BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS ,
+#endif // BOOST_SIGNALS_NUM_ARGS > 0
+
+// Define class names used
+#define BOOST_SIGNALS_SIGNAL BOOST_JOIN(signal,BOOST_SIGNALS_NUM_ARGS)
+#define BOOST_SIGNALS_FUNCTION BOOST_JOIN(function,BOOST_SIGNALS_NUM_ARGS)
+#define BOOST_SIGNALS_ARGS_STRUCT BOOST_JOIN(args,BOOST_SIGNALS_NUM_ARGS)
+#define BOOST_SIGNALS_CALL_BOUND BOOST_JOIN(call_bound,BOOST_SIGNALS_NUM_ARGS)
+
+// Define commonly-used instantiations
+#define BOOST_SIGNALS_ARGS_STRUCT_INST \
+  BOOST_SIGNALS_NAMESPACE::detail::BOOST_SIGNALS_ARGS_STRUCT<BOOST_SIGNALS_TEMPLATE_ARGS>
+
+namespace boost {
+  namespace BOOST_SIGNALS_NAMESPACE {
+    namespace detail {
+      // Holds the arguments for a bound slot call in a single place
+      template<BOOST_SIGNALS_TEMPLATE_PARMS
+               BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS
+               typename Dummy = int>
+      struct BOOST_SIGNALS_ARGS_STRUCT {
+        BOOST_SIGNALS_ARGS_STRUCT(BOOST_SIGNALS_COPY_PARMS)
+          BOOST_SIGNALS_INIT_ARGS
+        {
+        }
+
+        BOOST_SIGNALS_ARGS_AS_MEMBERS
+      };
+
+      // Function object that calls the function object given to it, passing
+      // the bound arguments along to that underlying function object
+      template<typename R>
+      struct BOOST_SIGNALS_CALL_BOUND {
+        template<BOOST_SIGNALS_TEMPLATE_PARMS
+                 BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS
+                 typename F>
+        struct caller {
+          typedef BOOST_SIGNALS_ARGS_STRUCT<BOOST_SIGNALS_TEMPLATE_ARGS>*
+            args_type;
+
+          args_type args;
+
+          typedef R result_type;
+
+          caller() {}
+          caller(args_type a) : args(a) {}
+
+          template<typename Pair>
+          R operator()(const Pair& slot) const
+          {
+            F* target = const_cast<F*>(unsafe_any_cast<F>(&slot.second));
+            return (*target)(BOOST_SIGNALS_BOUND_ARGS);
+          }
+        };
+      };
+
+      template<>
+      struct BOOST_SIGNALS_CALL_BOUND<void> {
+        template<BOOST_SIGNALS_TEMPLATE_PARMS
+                 BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS
+                 typename F>
+        struct caller {
+          typedef BOOST_SIGNALS_ARGS_STRUCT<BOOST_SIGNALS_TEMPLATE_ARGS>*
+            args_type;
+
+          args_type args;
+
+          typedef unusable result_type;
+
+          caller(args_type a) : args(a) {}
+
+          template<typename Pair>
+          unusable operator()(const Pair& slot) const
+          {
+            F* target = const_cast<F*>(unsafe_any_cast<F>(&slot.second));
+            (*target)(BOOST_SIGNALS_BOUND_ARGS);
+            return unusable();
+          }
+        };
+      };
+    } // namespace detail
+  } // namespace BOOST_SIGNALS_NAMESPACE
+
+  // The actual signalN class
+  template<
+    typename R,
+    BOOST_SIGNALS_TEMPLATE_PARMS
+    BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS
+    typename Combiner = last_value<R>,
+    typename Group = int,
+    typename GroupCompare = std::less<Group>,
+    typename SlotFunction = BOOST_SIGNALS_FUNCTION<
+                              R BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS
+                              BOOST_SIGNALS_TEMPLATE_ARGS>
+  >
+  class BOOST_SIGNALS_SIGNAL :
+    public BOOST_SIGNALS_NAMESPACE::detail::signal_base, // management of slot list
+    public BOOST_SIGNALS_NAMESPACE::trackable // signals are trackable
+  {
+  public:
+    // The slot function type
+    typedef SlotFunction slot_function_type;
+
+    // Result type of a slot
+    typedef typename BOOST_SIGNALS_NAMESPACE::detail::slot_result_type<R>::type
+      slot_result_type;
+
+    // Argument types
+    BOOST_SIGNALS_ARG_TYPES
+
+#if BOOST_SIGNALS_NUM_ARGS == 1
+    typedef T1 argument_type;
+#elif BOOST_SIGNALS_NUM_ARGS == 2
+    typedef T1 first_argument_type;
+    typedef T2 second_argument_type;
+#endif
+
+  private:
+    // The real slot name comparison object type
+    typedef BOOST_SIGNALS_NAMESPACE::detail::group_bridge_compare<GroupCompare, Group>
+      real_group_compare_type;
+
+    // The function object passed to the slot call iterator that will call
+    // the underlying slot function with its arguments bound
+    typedef BOOST_SIGNALS_NAMESPACE::detail::BOOST_SIGNALS_CALL_BOUND<R>
+      outer_bound_slot_caller;
+    typedef typename outer_bound_slot_caller::template
+              caller<BOOST_SIGNALS_TEMPLATE_ARGS
+                     BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS
+                     slot_function_type>
+      call_bound_slot;
+
+  public:
+    // Combiner's result type
+    typedef typename Combiner::result_type result_type;
+
+    // Combiner type
+    typedef Combiner combiner_type;
+
+    // Slot type
+    typedef slot<slot_function_type> slot_type;
+
+    // Slot name type and comparison
+    typedef Group group_type;
+    typedef GroupCompare group_compare_type;
+
+    typedef BOOST_SIGNALS_NAMESPACE::detail::slot_call_iterator<
+              call_bound_slot, iterator> slot_call_iterator;
+
+    explicit
+    BOOST_SIGNALS_SIGNAL(const Combiner& c = Combiner(),
+                         const GroupCompare& comp = GroupCompare()) :
+      BOOST_SIGNALS_NAMESPACE::detail::signal_base(real_group_compare_type(comp),
+                                                   c)
+    {
+    }
+
+    // Connect a slot to this signal
+    BOOST_SIGNALS_NAMESPACE::connection
+    connect(const slot_type&,
+            BOOST_SIGNALS_NAMESPACE::connect_position at
+              = BOOST_SIGNALS_NAMESPACE::at_back);
+
+
+    BOOST_SIGNALS_NAMESPACE::connection
+    connect(const group_type&, const slot_type&,
+            BOOST_SIGNALS_NAMESPACE::connect_position at
+              = BOOST_SIGNALS_NAMESPACE::at_back);
+
+#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
+    // MSVC 6.0 and 7.0 don't handle the is_convertible test well
+    void disconnect(const group_type& group)
+    {
+      impl->disconnect(group);
+    }
+#else
+    template<typename T>
+    void disconnect(const T& t)
+    {
+      typedef mpl::bool_<(is_convertible<T, group_type>::value)> is_group;
+      this->do_disconnect(t, is_group());
+    }
+
+  private:
+    // Disconnect a named slot
+    void do_disconnect(const group_type& group, mpl::bool_<true>)
+    {
+      impl->disconnect(group);
+    }
+
+    template<typename Function>
+    void do_disconnect(const Function& f, mpl::bool_<false>)
+    {
+      // Notify the slot handling code that we are iterating through the slots
+      BOOST_SIGNALS_NAMESPACE::detail::call_notification notification(this->impl);
+
+      for (iterator i = impl->slots_.begin(); i != impl->slots_.end(); ++i) {
+        slot_function_type& s = *unsafe_any_cast<slot_function_type>(&i->second);
+        if (s == f) i->first.disconnect();
+      }
+    }
+#endif
+
+  public:
+
+    // Emit the signal
+    result_type operator()(BOOST_SIGNALS_PARMS);
+    result_type operator()(BOOST_SIGNALS_PARMS) const;
+
+    Combiner& combiner()
+    { return *unsafe_any_cast<Combiner>(&impl->combiner_); }
+
+    const Combiner& combiner() const
+    { return *unsafe_any_cast<const Combiner>(&impl->combiner_); }
+  };
+
+  template<
+    typename R,
+    BOOST_SIGNALS_TEMPLATE_PARMS
+    BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS
+    typename Combiner,
+    typename Group,
+    typename GroupCompare,
+    typename SlotFunction
+  >
+  BOOST_SIGNALS_NAMESPACE::connection
+  BOOST_SIGNALS_SIGNAL<
+    R, BOOST_SIGNALS_TEMPLATE_ARGS
+    BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS
+    Combiner, Group, GroupCompare, SlotFunction
+  >::connect(const slot_type& in_slot,
+             BOOST_SIGNALS_NAMESPACE::connect_position at)
+  {
+    using boost::BOOST_SIGNALS_NAMESPACE::detail::stored_group;
+
+    // If the slot has been disconnected, just return a disconnected
+    // connection
+    if (!in_slot.is_active()) {
+      return BOOST_SIGNALS_NAMESPACE::connection();
+    }
+
+    return impl->connect_slot(in_slot.get_slot_function(), stored_group(),
+                              in_slot.get_data(), at);
+  }
+
+  template<
+    typename R,
+    BOOST_SIGNALS_TEMPLATE_PARMS
+    BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS
+    typename Combiner,
+    typename Group,
+    typename GroupCompare,
+    typename SlotFunction
+  >
+  BOOST_SIGNALS_NAMESPACE::connection
+  BOOST_SIGNALS_SIGNAL<
+    R, BOOST_SIGNALS_TEMPLATE_ARGS
+    BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS
+    Combiner, Group, GroupCompare, SlotFunction
+  >::connect(const group_type& group,
+             const slot_type& in_slot,
+             BOOST_SIGNALS_NAMESPACE::connect_position at)
+  {
+    // If the slot has been disconnected, just return a disconnected
+    // connection
+    if (!in_slot.is_active()) {
+      return BOOST_SIGNALS_NAMESPACE::connection();
+    }
+
+    return impl->connect_slot(in_slot.get_slot_function(), group,
+                              in_slot.get_data(), at);
+  }
+
+  template<
+    typename R,
+    BOOST_SIGNALS_TEMPLATE_PARMS
+    BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS
+    typename Combiner,
+    typename Group,
+    typename GroupCompare,
+    typename SlotFunction
+  >
+  typename BOOST_SIGNALS_SIGNAL<
+             R, BOOST_SIGNALS_TEMPLATE_ARGS
+             BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS
+             Combiner, Group, GroupCompare, SlotFunction>::result_type
+  BOOST_SIGNALS_SIGNAL<
+    R, BOOST_SIGNALS_TEMPLATE_ARGS
+    BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS
+    Combiner, Group, GroupCompare, SlotFunction
+  >::operator()(BOOST_SIGNALS_PARMS)
+  {
+    // Notify the slot handling code that we are making a call
+    BOOST_SIGNALS_NAMESPACE::detail::call_notification notification(this->impl);
+
+    // Construct a function object that will call the underlying slots
+    // with the given arguments.
+#if BOOST_SIGNALS_NUM_ARGS == 0
+    BOOST_SIGNALS_ARGS_STRUCT_INST args;
+#else
+    BOOST_SIGNALS_ARGS_STRUCT_INST args(BOOST_SIGNALS_ARGS);
+#endif // BOOST_SIGNALS_NUM_ARGS > 0
+    call_bound_slot f(&args);
+
+    typedef typename call_bound_slot::result_type call_result_type;
+    optional<call_result_type> cache;
+    // Let the combiner call the slots via a pair of input iterators
+    return combiner()(slot_call_iterator(notification.impl->slots_.begin(),
+                                         impl->slots_.end(), f, cache),
+                      slot_call_iterator(notification.impl->slots_.end(),
+                                         impl->slots_.end(), f, cache));
+  }
+
+  template<
+    typename R,
+    BOOST_SIGNALS_TEMPLATE_PARMS
+    BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS
+    typename Combiner,
+    typename Group,
+    typename GroupCompare,
+    typename SlotFunction
+  >
+  typename BOOST_SIGNALS_SIGNAL<
+             R, BOOST_SIGNALS_TEMPLATE_ARGS
+             BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS
+             Combiner, Group, GroupCompare, SlotFunction>::result_type
+  BOOST_SIGNALS_SIGNAL<
+    R, BOOST_SIGNALS_TEMPLATE_ARGS
+    BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS
+    Combiner, Group, GroupCompare, SlotFunction
+  >::operator()(BOOST_SIGNALS_PARMS) const
+  {
+    // Notify the slot handling code that we are making a call
+    BOOST_SIGNALS_NAMESPACE::detail::call_notification notification(this->impl);
+
+    // Construct a function object that will call the underlying slots
+    // with the given arguments.
+#if BOOST_SIGNALS_NUM_ARGS == 0
+    BOOST_SIGNALS_ARGS_STRUCT_INST args;
+#else
+    BOOST_SIGNALS_ARGS_STRUCT_INST args(BOOST_SIGNALS_ARGS);
+#endif // BOOST_SIGNALS_NUM_ARGS > 0
+
+    call_bound_slot f(&args);
+
+    typedef typename call_bound_slot::result_type call_result_type;
+    optional<call_result_type> cache;
+
+    // Let the combiner call the slots via a pair of input iterators
+    return combiner()(slot_call_iterator(notification.impl->slots_.begin(),
+                                         impl->slots_.end(), f, cache),
+                      slot_call_iterator(notification.impl->slots_.end(),
+                                         impl->slots_.end(), f, cache));
+  }
+} // namespace boost
+
+#undef BOOST_SIGNAL_FUNCTION_N_HEADER
+#undef BOOST_SIGNALS_ARGS_STRUCT_INST
+#undef BOOST_SIGNALS_CALL_BOUND
+#undef BOOST_SIGNALS_ARGS_STRUCT
+#undef BOOST_SIGNALS_FUNCTION
+#undef BOOST_SIGNALS_SIGNAL
+#undef BOOST_SIGNALS_COMMA_IF_NONZERO_ARGS
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_SUFFIX
+#endif

test/external/boost/signals/slot.hpp

@@ -0,0 +1,157 @@
+// Boost.Signals library
+
+// Copyright Douglas Gregor 2001-2004. Use, modification and
+// distribution is subject to the Boost Software License, Version
+// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+// For more information, see http://www.boost.org
+
+#ifndef BOOST_SIGNALS_SLOT_HEADER
+#define BOOST_SIGNALS_SLOT_HEADER
+
+#include <boost/signals/detail/signals_common.hpp>
+#include <boost/signals/connection.hpp>
+#include <boost/signals/trackable.hpp>
+#include <boost/visit_each.hpp>
+#include <boost/shared_ptr.hpp>
+#include <cassert>
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_PREFIX
+#endif
+
+namespace boost {
+  namespace BOOST_SIGNALS_NAMESPACE {
+    namespace detail {
+      class BOOST_SIGNALS_DECL slot_base {
+        // We would have to enumerate all of the signalN classes here as
+        // friends to make this private (as it otherwise should be). We can't
+        // name all of them because we don't know how many there are.
+      public:
+        struct data_t {
+          std::vector<const trackable*> bound_objects;
+          connection watch_bound_objects;
+        };
+        shared_ptr<data_t> get_data() const { return data; }
+
+        // Get the set of bound objects
+        std::vector<const trackable*>& get_bound_objects() const
+        { return data->bound_objects; }
+
+        // Determine if this slot is still "active", i.e., all of the bound
+        // objects still exist
+        bool is_active() const 
+        { return data->watch_bound_objects.connected(); }
+
+      protected:
+        // Create a connection for this slot
+        void create_connection();
+
+        shared_ptr<data_t> data;
+
+      private:
+        static void bound_object_destructed(void*, void*) {}
+      };
+    } // end namespace detail
+
+    // Get the slot so that it can be copied
+    template<typename F>
+    reference_wrapper<const F>
+    get_invocable_slot(const F& f, BOOST_SIGNALS_NAMESPACE::detail::signal_tag)
+      { return reference_wrapper<const F>(f); }
+
+    template<typename F>
+    const F&
+    get_invocable_slot(const F& f, BOOST_SIGNALS_NAMESPACE::detail::reference_tag)
+      { return f; }
+
+    template<typename F>
+    const F&
+    get_invocable_slot(const F& f, BOOST_SIGNALS_NAMESPACE::detail::value_tag)
+      { return f; }
+
+    // Get the slot so that it can be inspected for trackable objects
+    template<typename F>
+    const F&
+    get_inspectable_slot(const F& f, BOOST_SIGNALS_NAMESPACE::detail::signal_tag)
+      { return f; }
+
+    template<typename F>
+    const F&
+    get_inspectable_slot(const reference_wrapper<F>& f, BOOST_SIGNALS_NAMESPACE::detail::reference_tag)
+      { return f.get(); }
+
+    template<typename F>
+    const F&
+    get_inspectable_slot(const F& f, BOOST_SIGNALS_NAMESPACE::detail::value_tag)
+      { return f; }
+
+    // Determines the type of the slot - is it a signal, a reference to a
+    // slot or just a normal slot.
+    template<typename F>
+    typename BOOST_SIGNALS_NAMESPACE::detail::get_slot_tag<F>::type
+    tag_type(const F&)
+    {
+      typedef typename BOOST_SIGNALS_NAMESPACE::detail::get_slot_tag<F>::type
+        the_tag_type;
+      the_tag_type tag = the_tag_type();
+      return tag;
+    }
+
+  } // end namespace BOOST_SIGNALS_NAMESPACE
+
+  template<typename SlotFunction>
+  class slot : public BOOST_SIGNALS_NAMESPACE::detail::slot_base {
+    typedef BOOST_SIGNALS_NAMESPACE::detail::slot_base inherited;
+    typedef typename inherited::data_t data_t;
+
+  public:
+    template<typename F>
+    slot(const F& f) : slot_function(BOOST_SIGNALS_NAMESPACE::get_invocable_slot(f, BOOST_SIGNALS_NAMESPACE::tag_type(f)))
+    {
+      this->data.reset(new data_t);
+
+      // Visit each of the bound objects and store them for later use
+      // An exception thrown here will allow the basic_connection to be
+      // destroyed when this goes out of scope, and no other connections
+      // have been made.
+      BOOST_SIGNALS_NAMESPACE::detail::bound_objects_visitor 
+        do_bind(this->data->bound_objects);
+      visit_each(do_bind, 
+                 BOOST_SIGNALS_NAMESPACE::get_inspectable_slot
+                   (f, BOOST_SIGNALS_NAMESPACE::tag_type(f)));
+      create_connection();
+    }
+
+#ifdef __BORLANDC__
+    template<typename F>
+    slot(F* f) : slot_function(f)
+    {
+      this->data.reset(new data_t);
+      create_connection();
+    }
+#endif // __BORLANDC__
+
+    // We would have to enumerate all of the signalN classes here as friends
+    // to make this private (as it otherwise should be). We can't name all of
+    // them because we don't know how many there are.
+  public:
+    // Get the slot function to call the actual slot
+    const SlotFunction& get_slot_function() const { return slot_function; }
+
+    void release() const { data->watch_bound_objects.set_controlling(false); }
+
+  private:
+    slot(); // no default constructor
+    slot& operator=(const slot&); // no assignment operator
+
+    SlotFunction slot_function;
+  };
+} // end namespace boost
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_SUFFIX
+#endif
+
+#endif // BOOST_SIGNALS_SLOT_HEADER

test/external/boost/signals/trackable.hpp

@@ -0,0 +1,173 @@
+// Boost.Signals library
+
+// Copyright Douglas Gregor 2001-2004. Use, modification and
+// distribution is subject to the Boost Software License, Version
+// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+// For more information, see http://www.boost.org
+
+#ifndef BOOST_SIGNALS_TRACKABLE_HPP
+#define BOOST_SIGNALS_TRACKABLE_HPP
+
+#include <boost/type_traits.hpp>
+#include <boost/signals/connection.hpp>
+#include <boost/ref.hpp>
+#include <boost/utility/addressof.hpp>
+#include <list>
+#include <vector>
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_PREFIX
+#endif
+
+namespace boost {
+
+namespace BOOST_SIGNALS_NAMESPACE {
+  // Base class for "trackable" objects that can be tracked when they are
+  // bound in slot target functions. When a trackable object is destroyed,
+  // the signal/slot connections are disconnected automatically.
+  class BOOST_SIGNALS_DECL trackable {
+  private:
+    static void signal_disconnected(void* obj, void* data);
+
+    friend class detail::signal_base_impl;
+    friend class detail::slot_base;
+    void signal_connected(connection, BOOST_SIGNALS_NAMESPACE::detail::bound_object&) const;
+
+  protected:
+    trackable() : connected_signals(), dying(false) {}
+    trackable(const trackable&) : connected_signals(), dying(false) {}
+    ~trackable();
+
+    trackable& operator=(const trackable&)
+    {
+      dying = true;
+      connected_signals.clear();
+      dying = false;
+      return *this;
+    }
+
+  private:
+    typedef std::list<connection> connection_list;
+    typedef connection_list::iterator connection_iterator;
+
+    // List of connections that this object is part of
+    mutable connection_list connected_signals;
+
+    // True when the object is being destroyed
+    mutable bool dying;
+  };
+
+  namespace detail {
+    template<bool Cond> struct truth {};
+
+    // A visitor that adds each trackable object to a vector
+    class bound_objects_visitor {
+    public:
+      bound_objects_visitor(std::vector<const trackable*>& v) :
+        bound_objects(v)
+      {
+      }
+
+      template<typename T>
+      void operator()(const T& t) const
+      {
+        decode(t, 0);
+      }
+
+    private:
+      // decode() decides between a reference wrapper and anything else
+      template<typename T>
+      void decode(const reference_wrapper<T>& t, int) const
+      {
+        add_if_trackable(t.get_pointer());
+      }
+
+      template<typename T>
+      void decode(const T& t, long) const
+      {
+        typedef truth<(is_pointer<T>::value)> is_a_pointer;
+        maybe_get_pointer(t, is_a_pointer());
+      }
+
+      // maybe_get_pointer() decides between a pointer and a non-pointer
+      template<typename T>
+      void maybe_get_pointer(const T& t, truth<true>) const
+      {
+        add_if_trackable(t);
+      }
+
+      template<typename T>
+      void maybe_get_pointer(const T& t, truth<false>) const
+      {
+        // Take the address of this object, because the object itself may be
+        // trackable
+        add_if_trackable(boost::addressof(t));
+      }
+
+      // add_if_trackable() adds trackable objects to the list of bound objects
+      inline void add_if_trackable(const trackable* b) const
+      {
+        if (b) {
+          bound_objects.push_back(b);
+        }
+      }
+
+      inline void add_if_trackable(const void*) const { }
+
+      template<typename R>
+      inline void add_if_trackable(R (*)()) const { }
+
+      template<typename R, typename T1>
+      inline void add_if_trackable(R (*)(T1)) const { }
+
+      template<typename R, typename T1, typename T2>
+      inline void add_if_trackable(R (*)(T1, T2)) const { }
+
+      template<typename R, typename T1, typename T2, typename T3>
+      inline void add_if_trackable(R (*)(T1, T2, T3)) const { }
+
+      template<typename R, typename T1, typename T2, typename T3, typename T4>
+      inline void add_if_trackable(R (*)(T1, T2, T3, T4)) const { }
+
+      template<typename R, typename T1, typename T2, typename T3, typename T4,
+               typename T5>
+      inline void add_if_trackable(R (*)(T1, T2, T3, T4, T5)) const { }
+
+      template<typename R, typename T1, typename T2, typename T3, typename T4,
+               typename T5, typename T6>
+      inline void add_if_trackable(R (*)(T1, T2, T3, T4, T5, T6)) const { }
+
+      template<typename R, typename T1, typename T2, typename T3, typename T4,
+               typename T5, typename T6, typename T7>
+      inline void add_if_trackable(R (*)(T1, T2, T3, T4, T5, T6, T7)) const { }
+
+      template<typename R, typename T1, typename T2, typename T3, typename T4,
+               typename T5, typename T6, typename T7, typename T8>
+      inline void 
+      add_if_trackable(R (*)(T1, T2, T3, T4, T5, T6, T7, T8)) const { }
+
+      template<typename R, typename T1, typename T2, typename T3, typename T4,
+               typename T5, typename T6, typename T7, typename T8, typename T9>
+      inline void
+      add_if_trackable(R (*)(T1, T2, T3, T4, T5, T6, T7, T8, T9)) const { }
+
+      template<typename R, typename T1, typename T2, typename T3, typename T4,
+               typename T5, typename T6, typename T7, typename T8, typename T9,
+               typename T10>
+      inline void
+      add_if_trackable(R (*)(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10)) const { }
+
+      std::vector<const trackable*>& bound_objects;
+    };
+  } // end namespace detail
+} // end namespace BOOST_SIGNALS_NAMESPACE
+
+} // end namespace boost
+
+#ifdef BOOST_HAS_ABI_HEADERS
+#  include BOOST_ABI_SUFFIX
+#endif
+
+#endif // BOOST_SIGNALS_TRACKABLE_HPP