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| author | Stefan Radomski <github@mintwerk.de> | 2017-05-19 08:49:52 (GMT) |
|---|---|---|
| committer | Stefan Radomski <github@mintwerk.de> | 2017-05-19 08:49:52 (GMT) |
| commit | 747781cbebe22efb4f2efb8f3269320962791914 (patch) | |
| tree | 0c6df03ea42971d04695f3f6b295fc18c9113699 /contrib/src/boost/function | |
| parent | 827bd207b54839dfa3d24c1b65afb638b9b5cd0e (diff) | |
| download | uscxml-747781cbebe22efb4f2efb8f3269320962791914.zip uscxml-747781cbebe22efb4f2efb8f3269320962791914.tar.gz uscxml-747781cbebe22efb4f2efb8f3269320962791914.tar.bz2 | |
Worked on issue 131
Update boost
Spent a mutex for UUIDgen
Diffstat (limited to 'contrib/src/boost/function')
18 files changed, 2591 insertions, 2602 deletions
diff --git a/contrib/src/boost/function/detail/function_iterate.hpp b/contrib/src/boost/function/detail/function_iterate.hpp index 5370b36..d068cb7 100644 --- a/contrib/src/boost/function/detail/function_iterate.hpp +++ b/contrib/src/boost/function/detail/function_iterate.hpp @@ -1,16 +1,16 @@ -// Boost.Function library - -// Copyright Douglas Gregor 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 -#if !defined(BOOST_PP_IS_ITERATING) -# error Boost.Function - do not include this file! -#endif - -#define BOOST_FUNCTION_NUM_ARGS BOOST_PP_ITERATION() -#include <boost/function/detail/maybe_include.hpp> -#undef BOOST_FUNCTION_NUM_ARGS - +// Boost.Function library
+
+// Copyright Douglas Gregor 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
+#if !defined(BOOST_PP_IS_ITERATING)
+# error Boost.Function - do not include this file!
+#endif
+
+#define BOOST_FUNCTION_NUM_ARGS BOOST_PP_ITERATION()
+#include <boost/function/detail/maybe_include.hpp>
+#undef BOOST_FUNCTION_NUM_ARGS
+
diff --git a/contrib/src/boost/function/detail/gen_maybe_include.pl b/contrib/src/boost/function/detail/gen_maybe_include.pl index d062920..1bfaab7 100644 --- a/contrib/src/boost/function/detail/gen_maybe_include.pl +++ b/contrib/src/boost/function/detail/gen_maybe_include.pl @@ -1,37 +1,37 @@ -#!/usr/bin/perl -w -# -# Boost.Function library -# -# Copyright (C) 2001-2003 Douglas Gregor (gregod@cs.rpi.edu) -# -# Permission to copy, use, sell and distribute this software is granted -# provided this copyright notice appears in all copies. -# Permission to modify the code and to distribute modified code is granted -# provided this copyright notice appears in all copies, and a notice -# that the code was modified is included with the copyright notice. -# -# This software is provided "as is" without express or implied warranty, -# and with no claim as to its suitability for any purpose. -# -# For more information, see http://www.boost.org -use English; - -$max_args = $ARGV[0]; - -open (OUT, ">maybe_include.hpp") or die("Cannot write to maybe_include.hpp"); -for($on_arg = 0; $on_arg <= $max_args; ++$on_arg) { - if ($on_arg == 0) { - print OUT "#if"; - } - else { - print OUT "#elif"; - } - print OUT " BOOST_FUNCTION_NUM_ARGS == $on_arg\n"; - print OUT "# ifndef BOOST_FUNCTION_$on_arg\n"; - print OUT "# define BOOST_FUNCTION_$on_arg\n"; - print OUT "# include <boost/function/function_template.hpp>\n"; - print OUT "# endif\n"; -} -print OUT "#else\n"; -print OUT "# error Cannot handle Boost.Function objects that accept more than $max_args arguments!\n"; -print OUT "#endif\n"; +#!/usr/bin/perl -w
+#
+# Boost.Function library
+#
+# Copyright (C) 2001-2003 Douglas Gregor (gregod@cs.rpi.edu)
+#
+# Permission to copy, use, sell and distribute this software is granted
+# provided this copyright notice appears in all copies.
+# Permission to modify the code and to distribute modified code is granted
+# provided this copyright notice appears in all copies, and a notice
+# that the code was modified is included with the copyright notice.
+#
+# This software is provided "as is" without express or implied warranty,
+# and with no claim as to its suitability for any purpose.
+#
+# For more information, see http://www.boost.org
+use English;
+
+$max_args = $ARGV[0];
+
+open (OUT, ">maybe_include.hpp") or die("Cannot write to maybe_include.hpp");
+for($on_arg = 0; $on_arg <= $max_args; ++$on_arg) {
+ if ($on_arg == 0) {
+ print OUT "#if";
+ }
+ else {
+ print OUT "#elif";
+ }
+ print OUT " BOOST_FUNCTION_NUM_ARGS == $on_arg\n";
+ print OUT "# ifndef BOOST_FUNCTION_$on_arg\n";
+ print OUT "# define BOOST_FUNCTION_$on_arg\n";
+ print OUT "# include <boost/function/function_template.hpp>\n";
+ print OUT "# endif\n";
+}
+print OUT "#else\n";
+print OUT "# error Cannot handle Boost.Function objects that accept more than $max_args arguments!\n";
+print OUT "#endif\n";
diff --git a/contrib/src/boost/function/detail/maybe_include.hpp b/contrib/src/boost/function/detail/maybe_include.hpp index 92f71bb..10beac8 100644 --- a/contrib/src/boost/function/detail/maybe_include.hpp +++ b/contrib/src/boost/function/detail/maybe_include.hpp @@ -1,267 +1,267 @@ -// Boost.Function library - -// Copyright Douglas Gregor 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 - -#if BOOST_FUNCTION_NUM_ARGS == 0 -# ifndef BOOST_FUNCTION_0 -# define BOOST_FUNCTION_0 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 1 -# ifndef BOOST_FUNCTION_1 -# define BOOST_FUNCTION_1 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 2 -# ifndef BOOST_FUNCTION_2 -# define BOOST_FUNCTION_2 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 3 -# ifndef BOOST_FUNCTION_3 -# define BOOST_FUNCTION_3 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 4 -# ifndef BOOST_FUNCTION_4 -# define BOOST_FUNCTION_4 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 5 -# ifndef BOOST_FUNCTION_5 -# define BOOST_FUNCTION_5 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 6 -# ifndef BOOST_FUNCTION_6 -# define BOOST_FUNCTION_6 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 7 -# ifndef BOOST_FUNCTION_7 -# define BOOST_FUNCTION_7 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 8 -# ifndef BOOST_FUNCTION_8 -# define BOOST_FUNCTION_8 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 9 -# ifndef BOOST_FUNCTION_9 -# define BOOST_FUNCTION_9 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 10 -# ifndef BOOST_FUNCTION_10 -# define BOOST_FUNCTION_10 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 11 -# ifndef BOOST_FUNCTION_11 -# define BOOST_FUNCTION_11 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 12 -# ifndef BOOST_FUNCTION_12 -# define BOOST_FUNCTION_12 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 13 -# ifndef BOOST_FUNCTION_13 -# define BOOST_FUNCTION_13 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 14 -# ifndef BOOST_FUNCTION_14 -# define BOOST_FUNCTION_14 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 15 -# ifndef BOOST_FUNCTION_15 -# define BOOST_FUNCTION_15 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 16 -# ifndef BOOST_FUNCTION_16 -# define BOOST_FUNCTION_16 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 17 -# ifndef BOOST_FUNCTION_17 -# define BOOST_FUNCTION_17 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 18 -# ifndef BOOST_FUNCTION_18 -# define BOOST_FUNCTION_18 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 19 -# ifndef BOOST_FUNCTION_19 -# define BOOST_FUNCTION_19 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 20 -# ifndef BOOST_FUNCTION_20 -# define BOOST_FUNCTION_20 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 21 -# ifndef BOOST_FUNCTION_21 -# define BOOST_FUNCTION_21 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 22 -# ifndef BOOST_FUNCTION_22 -# define BOOST_FUNCTION_22 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 23 -# ifndef BOOST_FUNCTION_23 -# define BOOST_FUNCTION_23 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 24 -# ifndef BOOST_FUNCTION_24 -# define BOOST_FUNCTION_24 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 25 -# ifndef BOOST_FUNCTION_25 -# define BOOST_FUNCTION_25 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 26 -# ifndef BOOST_FUNCTION_26 -# define BOOST_FUNCTION_26 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 27 -# ifndef BOOST_FUNCTION_27 -# define BOOST_FUNCTION_27 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 28 -# ifndef BOOST_FUNCTION_28 -# define BOOST_FUNCTION_28 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 29 -# ifndef BOOST_FUNCTION_29 -# define BOOST_FUNCTION_29 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 30 -# ifndef BOOST_FUNCTION_30 -# define BOOST_FUNCTION_30 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 31 -# ifndef BOOST_FUNCTION_31 -# define BOOST_FUNCTION_31 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 32 -# ifndef BOOST_FUNCTION_32 -# define BOOST_FUNCTION_32 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 33 -# ifndef BOOST_FUNCTION_33 -# define BOOST_FUNCTION_33 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 34 -# ifndef BOOST_FUNCTION_34 -# define BOOST_FUNCTION_34 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 35 -# ifndef BOOST_FUNCTION_35 -# define BOOST_FUNCTION_35 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 36 -# ifndef BOOST_FUNCTION_36 -# define BOOST_FUNCTION_36 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 37 -# ifndef BOOST_FUNCTION_37 -# define BOOST_FUNCTION_37 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 38 -# ifndef BOOST_FUNCTION_38 -# define BOOST_FUNCTION_38 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 39 -# ifndef BOOST_FUNCTION_39 -# define BOOST_FUNCTION_39 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 40 -# ifndef BOOST_FUNCTION_40 -# define BOOST_FUNCTION_40 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 41 -# ifndef BOOST_FUNCTION_41 -# define BOOST_FUNCTION_41 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 42 -# ifndef BOOST_FUNCTION_42 -# define BOOST_FUNCTION_42 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 43 -# ifndef BOOST_FUNCTION_43 -# define BOOST_FUNCTION_43 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 44 -# ifndef BOOST_FUNCTION_44 -# define BOOST_FUNCTION_44 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 45 -# ifndef BOOST_FUNCTION_45 -# define BOOST_FUNCTION_45 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 46 -# ifndef BOOST_FUNCTION_46 -# define BOOST_FUNCTION_46 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 47 -# ifndef BOOST_FUNCTION_47 -# define BOOST_FUNCTION_47 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 48 -# ifndef BOOST_FUNCTION_48 -# define BOOST_FUNCTION_48 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 49 -# ifndef BOOST_FUNCTION_49 -# define BOOST_FUNCTION_49 -# include <boost/function/function_template.hpp> -# endif -#elif BOOST_FUNCTION_NUM_ARGS == 50 -# ifndef BOOST_FUNCTION_50 -# define BOOST_FUNCTION_50 -# include <boost/function/function_template.hpp> -# endif -#else -# error Cannot handle Boost.Function objects that accept more than 50 arguments! -#endif +// Boost.Function library
+
+// Copyright Douglas Gregor 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
+
+#if BOOST_FUNCTION_NUM_ARGS == 0
+# ifndef BOOST_FUNCTION_0
+# define BOOST_FUNCTION_0
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 1
+# ifndef BOOST_FUNCTION_1
+# define BOOST_FUNCTION_1
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 2
+# ifndef BOOST_FUNCTION_2
+# define BOOST_FUNCTION_2
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 3
+# ifndef BOOST_FUNCTION_3
+# define BOOST_FUNCTION_3
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 4
+# ifndef BOOST_FUNCTION_4
+# define BOOST_FUNCTION_4
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 5
+# ifndef BOOST_FUNCTION_5
+# define BOOST_FUNCTION_5
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 6
+# ifndef BOOST_FUNCTION_6
+# define BOOST_FUNCTION_6
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 7
+# ifndef BOOST_FUNCTION_7
+# define BOOST_FUNCTION_7
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 8
+# ifndef BOOST_FUNCTION_8
+# define BOOST_FUNCTION_8
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 9
+# ifndef BOOST_FUNCTION_9
+# define BOOST_FUNCTION_9
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 10
+# ifndef BOOST_FUNCTION_10
+# define BOOST_FUNCTION_10
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 11
+# ifndef BOOST_FUNCTION_11
+# define BOOST_FUNCTION_11
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 12
+# ifndef BOOST_FUNCTION_12
+# define BOOST_FUNCTION_12
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 13
+# ifndef BOOST_FUNCTION_13
+# define BOOST_FUNCTION_13
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 14
+# ifndef BOOST_FUNCTION_14
+# define BOOST_FUNCTION_14
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 15
+# ifndef BOOST_FUNCTION_15
+# define BOOST_FUNCTION_15
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 16
+# ifndef BOOST_FUNCTION_16
+# define BOOST_FUNCTION_16
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 17
+# ifndef BOOST_FUNCTION_17
+# define BOOST_FUNCTION_17
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 18
+# ifndef BOOST_FUNCTION_18
+# define BOOST_FUNCTION_18
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 19
+# ifndef BOOST_FUNCTION_19
+# define BOOST_FUNCTION_19
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 20
+# ifndef BOOST_FUNCTION_20
+# define BOOST_FUNCTION_20
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 21
+# ifndef BOOST_FUNCTION_21
+# define BOOST_FUNCTION_21
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 22
+# ifndef BOOST_FUNCTION_22
+# define BOOST_FUNCTION_22
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 23
+# ifndef BOOST_FUNCTION_23
+# define BOOST_FUNCTION_23
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 24
+# ifndef BOOST_FUNCTION_24
+# define BOOST_FUNCTION_24
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 25
+# ifndef BOOST_FUNCTION_25
+# define BOOST_FUNCTION_25
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 26
+# ifndef BOOST_FUNCTION_26
+# define BOOST_FUNCTION_26
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 27
+# ifndef BOOST_FUNCTION_27
+# define BOOST_FUNCTION_27
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 28
+# ifndef BOOST_FUNCTION_28
+# define BOOST_FUNCTION_28
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 29
+# ifndef BOOST_FUNCTION_29
+# define BOOST_FUNCTION_29
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 30
+# ifndef BOOST_FUNCTION_30
+# define BOOST_FUNCTION_30
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 31
+# ifndef BOOST_FUNCTION_31
+# define BOOST_FUNCTION_31
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 32
+# ifndef BOOST_FUNCTION_32
+# define BOOST_FUNCTION_32
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 33
+# ifndef BOOST_FUNCTION_33
+# define BOOST_FUNCTION_33
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 34
+# ifndef BOOST_FUNCTION_34
+# define BOOST_FUNCTION_34
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 35
+# ifndef BOOST_FUNCTION_35
+# define BOOST_FUNCTION_35
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 36
+# ifndef BOOST_FUNCTION_36
+# define BOOST_FUNCTION_36
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 37
+# ifndef BOOST_FUNCTION_37
+# define BOOST_FUNCTION_37
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 38
+# ifndef BOOST_FUNCTION_38
+# define BOOST_FUNCTION_38
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 39
+# ifndef BOOST_FUNCTION_39
+# define BOOST_FUNCTION_39
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 40
+# ifndef BOOST_FUNCTION_40
+# define BOOST_FUNCTION_40
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 41
+# ifndef BOOST_FUNCTION_41
+# define BOOST_FUNCTION_41
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 42
+# ifndef BOOST_FUNCTION_42
+# define BOOST_FUNCTION_42
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 43
+# ifndef BOOST_FUNCTION_43
+# define BOOST_FUNCTION_43
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 44
+# ifndef BOOST_FUNCTION_44
+# define BOOST_FUNCTION_44
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 45
+# ifndef BOOST_FUNCTION_45
+# define BOOST_FUNCTION_45
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 46
+# ifndef BOOST_FUNCTION_46
+# define BOOST_FUNCTION_46
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 47
+# ifndef BOOST_FUNCTION_47
+# define BOOST_FUNCTION_47
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 48
+# ifndef BOOST_FUNCTION_48
+# define BOOST_FUNCTION_48
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 49
+# ifndef BOOST_FUNCTION_49
+# define BOOST_FUNCTION_49
+# include <boost/function/function_template.hpp>
+# endif
+#elif BOOST_FUNCTION_NUM_ARGS == 50
+# ifndef BOOST_FUNCTION_50
+# define BOOST_FUNCTION_50
+# include <boost/function/function_template.hpp>
+# endif
+#else
+# error Cannot handle Boost.Function objects that accept more than 50 arguments!
+#endif
diff --git a/contrib/src/boost/function/detail/prologue.hpp b/contrib/src/boost/function/detail/prologue.hpp index 53d0f05..ba1ce88 100644 --- a/contrib/src/boost/function/detail/prologue.hpp +++ b/contrib/src/boost/function/detail/prologue.hpp @@ -1,26 +1,26 @@ -// Boost.Function library - -// Copyright Douglas Gregor 2002-2003. 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_FUNCTION_PROLOGUE_HPP -#define BOOST_FUNCTION_PROLOGUE_HPP -# include <cassert> -# include <algorithm> -# include <boost/config/no_tr1/functional.hpp> // unary_function, binary_function -# include <boost/throw_exception.hpp> -# include <boost/config.hpp> -# include <boost/function/function_base.hpp> -# include <boost/mem_fn.hpp> -# include <boost/type_traits/is_integral.hpp> -# include <boost/preprocessor/enum.hpp> -# include <boost/preprocessor/enum_params.hpp> -# include <boost/preprocessor/cat.hpp> -# include <boost/preprocessor/repeat.hpp> -# include <boost/preprocessor/inc.hpp> -# include <boost/type_traits/is_void.hpp> -#endif // BOOST_FUNCTION_PROLOGUE_HPP +// Boost.Function library
+
+// Copyright Douglas Gregor 2002-2003. 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_FUNCTION_PROLOGUE_HPP
+#define BOOST_FUNCTION_PROLOGUE_HPP
+# include <cassert>
+# include <algorithm>
+# include <boost/config/no_tr1/functional.hpp> // unary_function, binary_function
+# include <boost/throw_exception.hpp>
+# include <boost/config.hpp>
+# include <boost/function/function_base.hpp>
+# include <boost/mem_fn.hpp>
+# include <boost/type_traits/is_integral.hpp>
+# include <boost/preprocessor/enum.hpp>
+# include <boost/preprocessor/enum_params.hpp>
+# include <boost/preprocessor/cat.hpp>
+# include <boost/preprocessor/repeat.hpp>
+# include <boost/preprocessor/inc.hpp>
+# include <boost/type_traits/is_void.hpp>
+#endif // BOOST_FUNCTION_PROLOGUE_HPP
diff --git a/contrib/src/boost/function/function0.hpp b/contrib/src/boost/function/function0.hpp index 65a02e5..e510889 100644 --- a/contrib/src/boost/function/function0.hpp +++ b/contrib/src/boost/function/function0.hpp @@ -1,12 +1,12 @@ -// Boost.Function library - -// Copyright Douglas Gregor 2002-2003. 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 - -#define BOOST_FUNCTION_NUM_ARGS 0 -#include <boost/function/detail/maybe_include.hpp> -#undef BOOST_FUNCTION_NUM_ARGS +// Boost.Function library
+
+// Copyright Douglas Gregor 2002-2003. 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
+
+#define BOOST_FUNCTION_NUM_ARGS 0
+#include <boost/function/detail/maybe_include.hpp>
+#undef BOOST_FUNCTION_NUM_ARGS
diff --git a/contrib/src/boost/function/function1.hpp b/contrib/src/boost/function/function1.hpp index 9089715..3109f50 100644 --- a/contrib/src/boost/function/function1.hpp +++ b/contrib/src/boost/function/function1.hpp @@ -1,12 +1,12 @@ -// Boost.Function library - -// Copyright Douglas Gregor 2002-2003. 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 - -#define BOOST_FUNCTION_NUM_ARGS 1 -#include <boost/function/detail/maybe_include.hpp> -#undef BOOST_FUNCTION_NUM_ARGS +// Boost.Function library
+
+// Copyright Douglas Gregor 2002-2003. 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
+
+#define BOOST_FUNCTION_NUM_ARGS 1
+#include <boost/function/detail/maybe_include.hpp>
+#undef BOOST_FUNCTION_NUM_ARGS
diff --git a/contrib/src/boost/function/function10.hpp b/contrib/src/boost/function/function10.hpp index 6562724..0818f67 100644 --- a/contrib/src/boost/function/function10.hpp +++ b/contrib/src/boost/function/function10.hpp @@ -1,12 +1,12 @@ -// Boost.Function library - -// Copyright Douglas Gregor 2002-2003. 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 - -#define BOOST_FUNCTION_NUM_ARGS 10 -#include <boost/function/detail/maybe_include.hpp> -#undef BOOST_FUNCTION_NUM_ARGS +// Boost.Function library
+
+// Copyright Douglas Gregor 2002-2003. 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
+
+#define BOOST_FUNCTION_NUM_ARGS 10
+#include <boost/function/detail/maybe_include.hpp>
+#undef BOOST_FUNCTION_NUM_ARGS
diff --git a/contrib/src/boost/function/function2.hpp b/contrib/src/boost/function/function2.hpp index dc8bf97..76e3b8c 100644 --- a/contrib/src/boost/function/function2.hpp +++ b/contrib/src/boost/function/function2.hpp @@ -1,12 +1,12 @@ -// Boost.Function library - -// Copyright Douglas Gregor 2002-2003. 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 - -#define BOOST_FUNCTION_NUM_ARGS 2 -#include <boost/function/detail/maybe_include.hpp> -#undef BOOST_FUNCTION_NUM_ARGS +// Boost.Function library
+
+// Copyright Douglas Gregor 2002-2003. 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
+
+#define BOOST_FUNCTION_NUM_ARGS 2
+#include <boost/function/detail/maybe_include.hpp>
+#undef BOOST_FUNCTION_NUM_ARGS
diff --git a/contrib/src/boost/function/function3.hpp b/contrib/src/boost/function/function3.hpp index 19d1a49..dd4f8cf 100644 --- a/contrib/src/boost/function/function3.hpp +++ b/contrib/src/boost/function/function3.hpp @@ -1,12 +1,12 @@ -// Boost.Function library - -// Copyright Douglas Gregor 2002-2003. 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 - -#define BOOST_FUNCTION_NUM_ARGS 3 -#include <boost/function/detail/maybe_include.hpp> -#undef BOOST_FUNCTION_NUM_ARGS +// Boost.Function library
+
+// Copyright Douglas Gregor 2002-2003. 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
+
+#define BOOST_FUNCTION_NUM_ARGS 3
+#include <boost/function/detail/maybe_include.hpp>
+#undef BOOST_FUNCTION_NUM_ARGS
diff --git a/contrib/src/boost/function/function4.hpp b/contrib/src/boost/function/function4.hpp index f3349e2..32357e7 100644 --- a/contrib/src/boost/function/function4.hpp +++ b/contrib/src/boost/function/function4.hpp @@ -1,12 +1,12 @@ -// Boost.Function library - -// Copyright Douglas Gregor 2002-2003. 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 - -#define BOOST_FUNCTION_NUM_ARGS 4 -#include <boost/function/detail/maybe_include.hpp> -#undef BOOST_FUNCTION_NUM_ARGS +// Boost.Function library
+
+// Copyright Douglas Gregor 2002-2003. 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
+
+#define BOOST_FUNCTION_NUM_ARGS 4
+#include <boost/function/detail/maybe_include.hpp>
+#undef BOOST_FUNCTION_NUM_ARGS
diff --git a/contrib/src/boost/function/function5.hpp b/contrib/src/boost/function/function5.hpp index a1305eb..72f1479 100644 --- a/contrib/src/boost/function/function5.hpp +++ b/contrib/src/boost/function/function5.hpp @@ -1,12 +1,12 @@ -// Boost.Function library - -// Copyright Douglas Gregor 2002-2003. 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 - -#define BOOST_FUNCTION_NUM_ARGS 5 -#include <boost/function/detail/maybe_include.hpp> -#undef BOOST_FUNCTION_NUM_ARGS +// Boost.Function library
+
+// Copyright Douglas Gregor 2002-2003. 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
+
+#define BOOST_FUNCTION_NUM_ARGS 5
+#include <boost/function/detail/maybe_include.hpp>
+#undef BOOST_FUNCTION_NUM_ARGS
diff --git a/contrib/src/boost/function/function6.hpp b/contrib/src/boost/function/function6.hpp index 1f60914..1f82528 100644 --- a/contrib/src/boost/function/function6.hpp +++ b/contrib/src/boost/function/function6.hpp @@ -1,12 +1,12 @@ -// Boost.Function library - -// Copyright Douglas Gregor 2002-2003. 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 - -#define BOOST_FUNCTION_NUM_ARGS 6 -#include <boost/function/detail/maybe_include.hpp> -#undef BOOST_FUNCTION_NUM_ARGS +// Boost.Function library
+
+// Copyright Douglas Gregor 2002-2003. 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
+
+#define BOOST_FUNCTION_NUM_ARGS 6
+#include <boost/function/detail/maybe_include.hpp>
+#undef BOOST_FUNCTION_NUM_ARGS
diff --git a/contrib/src/boost/function/function7.hpp b/contrib/src/boost/function/function7.hpp index 68542ed..bf827b3 100644 --- a/contrib/src/boost/function/function7.hpp +++ b/contrib/src/boost/function/function7.hpp @@ -1,12 +1,12 @@ -// Boost.Function library - -// Copyright Douglas Gregor 2002-2003. 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 - -#define BOOST_FUNCTION_NUM_ARGS 7 -#include <boost/function/detail/maybe_include.hpp> -#undef BOOST_FUNCTION_NUM_ARGS +// Boost.Function library
+
+// Copyright Douglas Gregor 2002-2003. 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
+
+#define BOOST_FUNCTION_NUM_ARGS 7
+#include <boost/function/detail/maybe_include.hpp>
+#undef BOOST_FUNCTION_NUM_ARGS
diff --git a/contrib/src/boost/function/function8.hpp b/contrib/src/boost/function/function8.hpp index cf2c376..4511bc4 100644 --- a/contrib/src/boost/function/function8.hpp +++ b/contrib/src/boost/function/function8.hpp @@ -1,12 +1,12 @@ -// Boost.Function library - -// Copyright Douglas Gregor 2002-2003. 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 - -#define BOOST_FUNCTION_NUM_ARGS 8 -#include <boost/function/detail/maybe_include.hpp> -#undef BOOST_FUNCTION_NUM_ARGS +// Boost.Function library
+
+// Copyright Douglas Gregor 2002-2003. 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
+
+#define BOOST_FUNCTION_NUM_ARGS 8
+#include <boost/function/detail/maybe_include.hpp>
+#undef BOOST_FUNCTION_NUM_ARGS
diff --git a/contrib/src/boost/function/function9.hpp b/contrib/src/boost/function/function9.hpp index 590e088..05725d5 100644 --- a/contrib/src/boost/function/function9.hpp +++ b/contrib/src/boost/function/function9.hpp @@ -1,12 +1,12 @@ -// Boost.Function library - -// Copyright Douglas Gregor 2002-2003. 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 - -#define BOOST_FUNCTION_NUM_ARGS 9 -#include <boost/function/detail/maybe_include.hpp> -#undef BOOST_FUNCTION_NUM_ARGS +// Boost.Function library
+
+// Copyright Douglas Gregor 2002-2003. 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
+
+#define BOOST_FUNCTION_NUM_ARGS 9
+#include <boost/function/detail/maybe_include.hpp>
+#undef BOOST_FUNCTION_NUM_ARGS
diff --git a/contrib/src/boost/function/function_base.hpp b/contrib/src/boost/function/function_base.hpp index 21a0c0d..46b3738 100644 --- a/contrib/src/boost/function/function_base.hpp +++ b/contrib/src/boost/function/function_base.hpp @@ -1,866 +1,866 @@ -// Boost.Function library - -// Copyright Douglas Gregor 2001-2006 -// Copyright Emil Dotchevski 2007 -// 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_FUNCTION_BASE_HEADER -#define BOOST_FUNCTION_BASE_HEADER - -#include <stdexcept> -#include <string> -#include <memory> -#include <new> -#include <boost/config.hpp> -#include <boost/assert.hpp> -#include <boost/integer.hpp> -#include <boost/type_index.hpp> -#include <boost/type_traits/has_trivial_copy.hpp> -#include <boost/type_traits/has_trivial_destructor.hpp> -#include <boost/type_traits/is_const.hpp> -#include <boost/type_traits/is_integral.hpp> -#include <boost/type_traits/is_volatile.hpp> -#include <boost/type_traits/composite_traits.hpp> -#include <boost/ref.hpp> -#include <boost/mpl/if.hpp> -#include <boost/detail/workaround.hpp> -#include <boost/type_traits/alignment_of.hpp> -#ifndef BOOST_NO_SFINAE -# include "boost/utility/enable_if.hpp" -#else -# include "boost/mpl/bool.hpp" -#endif -#include <boost/function_equal.hpp> -#include <boost/function/function_fwd.hpp> - -#if defined(BOOST_MSVC) -# pragma warning( push ) -# pragma warning( disable : 4793 ) // complaint about native code generation -# pragma warning( disable : 4127 ) // "conditional expression is constant" -#endif - -#if defined(__ICL) && __ICL <= 600 || defined(__MWERKS__) && __MWERKS__ < 0x2406 && !defined(BOOST_STRICT_CONFIG) -# define BOOST_FUNCTION_TARGET_FIX(x) x -#else -# define BOOST_FUNCTION_TARGET_FIX(x) -#endif // __ICL etc - -# define BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor,Type) \ - typename ::boost::enable_if_c< \ - !(::boost::is_integral<Functor>::value), \ - Type>::type - -namespace boost { - namespace detail { - namespace function { - class X; - - /** - * A buffer used to store small function objects in - * boost::function. It is a union containing function pointers, - * object pointers, and a structure that resembles a bound - * member function pointer. - */ - union function_buffer_members - { - // For pointers to function objects - typedef void* obj_ptr_t; - mutable obj_ptr_t obj_ptr; - - // For pointers to std::type_info objects - struct type_t { - // (get_functor_type_tag, check_functor_type_tag). - const boost::typeindex::type_info* type; - - // Whether the type is const-qualified. - bool const_qualified; - // Whether the type is volatile-qualified. - bool volatile_qualified; - } type; - - // For function pointers of all kinds - typedef void (*func_ptr_t)(); - mutable func_ptr_t func_ptr; - - // For bound member pointers - struct bound_memfunc_ptr_t { - void (X::*memfunc_ptr)(int); - void* obj_ptr; - } bound_memfunc_ptr; - - // For references to function objects. We explicitly keep - // track of the cv-qualifiers on the object referenced. - struct obj_ref_t { - mutable void* obj_ptr; - bool is_const_qualified; - bool is_volatile_qualified; - } obj_ref; - }; - - union function_buffer - { - // Type-specific union members - mutable function_buffer_members members; - - // To relax aliasing constraints - mutable char data[sizeof(function_buffer_members)]; - }; - - /** - * 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 to - * handle Boost.Function objects returning void. - */ - struct unusable - { - unusable() {} - template<typename T> unusable(const T&) {} - }; - - /* Determine the return type. This supports compilers that do not support - * void returns or partial specialization by silently changing the return - * type to "unusable". - */ - template<typename T> struct function_return_type { typedef T type; }; - - template<> - struct function_return_type<void> - { - typedef unusable type; - }; - - // The operation type to perform on the given functor/function pointer - enum functor_manager_operation_type { - clone_functor_tag, - move_functor_tag, - destroy_functor_tag, - check_functor_type_tag, - get_functor_type_tag - }; - - // Tags used to decide between different types of functions - struct function_ptr_tag {}; - struct function_obj_tag {}; - struct member_ptr_tag {}; - struct function_obj_ref_tag {}; - - template<typename F> - class get_function_tag - { - typedef typename mpl::if_c<(is_pointer<F>::value), - function_ptr_tag, - function_obj_tag>::type ptr_or_obj_tag; - - typedef typename mpl::if_c<(is_member_pointer<F>::value), - member_ptr_tag, - ptr_or_obj_tag>::type ptr_or_obj_or_mem_tag; - - typedef typename mpl::if_c<(is_reference_wrapper<F>::value), - function_obj_ref_tag, - ptr_or_obj_or_mem_tag>::type or_ref_tag; - - public: - typedef or_ref_tag type; - }; - - // The trivial manager does nothing but return the same pointer (if we - // are cloning) or return the null pointer (if we are deleting). - template<typename F> - struct reference_manager - { - static inline void - manage(const function_buffer& in_buffer, function_buffer& out_buffer, - functor_manager_operation_type op) - { - switch (op) { - case clone_functor_tag: - out_buffer.members.obj_ref = in_buffer.members.obj_ref; - return; - - case move_functor_tag: - out_buffer.members.obj_ref = in_buffer.members.obj_ref; - in_buffer.members.obj_ref.obj_ptr = 0; - return; - - case destroy_functor_tag: - out_buffer.members.obj_ref.obj_ptr = 0; - return; - - case check_functor_type_tag: - { - // Check whether we have the same type. We can add - // cv-qualifiers, but we can't take them away. - if (*out_buffer.members.type.type == boost::typeindex::type_id<F>() - && (!in_buffer.members.obj_ref.is_const_qualified - || out_buffer.members.type.const_qualified) - && (!in_buffer.members.obj_ref.is_volatile_qualified - || out_buffer.members.type.volatile_qualified)) - out_buffer.members.obj_ptr = in_buffer.members.obj_ref.obj_ptr; - else - out_buffer.members.obj_ptr = 0; - } - return; - - case get_functor_type_tag: - out_buffer.members.type.type = &boost::typeindex::type_id<F>().type_info(); - out_buffer.members.type.const_qualified = in_buffer.members.obj_ref.is_const_qualified; - out_buffer.members.type.volatile_qualified = in_buffer.members.obj_ref.is_volatile_qualified; - return; - } - } - }; - - /** - * Determine if boost::function can use the small-object - * optimization with the function object type F. - */ - template<typename F> - struct function_allows_small_object_optimization - { - BOOST_STATIC_CONSTANT - (bool, - value = ((sizeof(F) <= sizeof(function_buffer) && - (alignment_of<function_buffer>::value - % alignment_of<F>::value == 0)))); - }; - - template <typename F,typename A> - struct functor_wrapper: public F, public A - { - functor_wrapper( F f, A a ): - F(f), - A(a) - { - } - - functor_wrapper(const functor_wrapper& f) : - F(static_cast<const F&>(f)), - A(static_cast<const A&>(f)) - { - } - }; - - /** - * The functor_manager class contains a static function "manage" which - * can clone or destroy the given function/function object pointer. - */ - template<typename Functor> - struct functor_manager_common - { - typedef Functor functor_type; - - // Function pointers - static inline void - manage_ptr(const function_buffer& in_buffer, function_buffer& out_buffer, - functor_manager_operation_type op) - { - if (op == clone_functor_tag) - out_buffer.members.func_ptr = in_buffer.members.func_ptr; - else if (op == move_functor_tag) { - out_buffer.members.func_ptr = in_buffer.members.func_ptr; - in_buffer.members.func_ptr = 0; - } else if (op == destroy_functor_tag) - out_buffer.members.func_ptr = 0; - else if (op == check_functor_type_tag) { - if (*out_buffer.members.type.type == boost::typeindex::type_id<Functor>()) - out_buffer.members.obj_ptr = &in_buffer.members.func_ptr; - else - out_buffer.members.obj_ptr = 0; - } else /* op == get_functor_type_tag */ { - out_buffer.members.type.type = &boost::typeindex::type_id<Functor>().type_info(); - out_buffer.members.type.const_qualified = false; - out_buffer.members.type.volatile_qualified = false; - } - } - - // Function objects that fit in the small-object buffer. - static inline void - manage_small(const function_buffer& in_buffer, function_buffer& out_buffer, - functor_manager_operation_type op) - { - if (op == clone_functor_tag || op == move_functor_tag) { - const functor_type* in_functor = - reinterpret_cast<const functor_type*>(in_buffer.data); - new (reinterpret_cast<void*>(out_buffer.data)) functor_type(*in_functor); - - if (op == move_functor_tag) { - functor_type* f = reinterpret_cast<functor_type*>(in_buffer.data); - (void)f; // suppress warning about the value of f not being used (MSVC) - f->~Functor(); - } - } else if (op == destroy_functor_tag) { - // Some compilers (Borland, vc6, ...) are unhappy with ~functor_type. - functor_type* f = reinterpret_cast<functor_type*>(out_buffer.data); - (void)f; // suppress warning about the value of f not being used (MSVC) - f->~Functor(); - } else if (op == check_functor_type_tag) { - if (*out_buffer.members.type.type == boost::typeindex::type_id<Functor>()) - out_buffer.members.obj_ptr = in_buffer.data; - else - out_buffer.members.obj_ptr = 0; - } else /* op == get_functor_type_tag */ { - out_buffer.members.type.type = &boost::typeindex::type_id<Functor>().type_info(); - out_buffer.members.type.const_qualified = false; - out_buffer.members.type.volatile_qualified = false; - } - } - }; - - template<typename Functor> - struct functor_manager - { - private: - typedef Functor functor_type; - - // Function pointers - static inline void - manager(const function_buffer& in_buffer, function_buffer& out_buffer, - functor_manager_operation_type op, function_ptr_tag) - { - functor_manager_common<Functor>::manage_ptr(in_buffer,out_buffer,op); - } - - // Function objects that fit in the small-object buffer. - static inline void - manager(const function_buffer& in_buffer, function_buffer& out_buffer, - functor_manager_operation_type op, mpl::true_) - { - functor_manager_common<Functor>::manage_small(in_buffer,out_buffer,op); - } - - // Function objects that require heap allocation - static inline void - manager(const function_buffer& in_buffer, function_buffer& out_buffer, - functor_manager_operation_type op, mpl::false_) - { - if (op == clone_functor_tag) { - // Clone the functor - // GCC 2.95.3 gets the CV qualifiers wrong here, so we - // can't do the static_cast that we should do. - // jewillco: Changing this to static_cast because GCC 2.95.3 is - // obsolete. - const functor_type* f = - static_cast<const functor_type*>(in_buffer.members.obj_ptr); - functor_type* new_f = new functor_type(*f); - out_buffer.members.obj_ptr = new_f; - } else if (op == move_functor_tag) { - out_buffer.members.obj_ptr = in_buffer.members.obj_ptr; - in_buffer.members.obj_ptr = 0; - } else if (op == destroy_functor_tag) { - /* Cast from the void pointer to the functor pointer type */ - functor_type* f = - static_cast<functor_type*>(out_buffer.members.obj_ptr); - delete f; - out_buffer.members.obj_ptr = 0; - } else if (op == check_functor_type_tag) { - if (*out_buffer.members.type.type == boost::typeindex::type_id<Functor>()) - out_buffer.members.obj_ptr = in_buffer.members.obj_ptr; - else - out_buffer.members.obj_ptr = 0; - } else /* op == get_functor_type_tag */ { - out_buffer.members.type.type = &boost::typeindex::type_id<Functor>().type_info(); - out_buffer.members.type.const_qualified = false; - out_buffer.members.type.volatile_qualified = false; - } - } - - // For function objects, we determine whether the function - // object can use the small-object optimization buffer or - // whether we need to allocate it on the heap. - static inline void - manager(const function_buffer& in_buffer, function_buffer& out_buffer, - functor_manager_operation_type op, function_obj_tag) - { - manager(in_buffer, out_buffer, op, - mpl::bool_<(function_allows_small_object_optimization<functor_type>::value)>()); - } - - // For member pointers, we use the small-object optimization buffer. - static inline void - manager(const function_buffer& in_buffer, function_buffer& out_buffer, - functor_manager_operation_type op, member_ptr_tag) - { - manager(in_buffer, out_buffer, op, mpl::true_()); - } - - public: - /* Dispatch to an appropriate manager based on whether we have a - function pointer or a function object pointer. */ - static inline void - manage(const function_buffer& in_buffer, function_buffer& out_buffer, - functor_manager_operation_type op) - { - typedef typename get_function_tag<functor_type>::type tag_type; - switch (op) { - case get_functor_type_tag: - out_buffer.members.type.type = &boost::typeindex::type_id<functor_type>().type_info(); - out_buffer.members.type.const_qualified = false; - out_buffer.members.type.volatile_qualified = false; - return; - - default: - manager(in_buffer, out_buffer, op, tag_type()); - return; - } - } - }; - - template<typename Functor, typename Allocator> - struct functor_manager_a - { - private: - typedef Functor functor_type; - - // Function pointers - static inline void - manager(const function_buffer& in_buffer, function_buffer& out_buffer, - functor_manager_operation_type op, function_ptr_tag) - { - functor_manager_common<Functor>::manage_ptr(in_buffer,out_buffer,op); - } - - // Function objects that fit in the small-object buffer. - static inline void - manager(const function_buffer& in_buffer, function_buffer& out_buffer, - functor_manager_operation_type op, mpl::true_) - { - functor_manager_common<Functor>::manage_small(in_buffer,out_buffer,op); - } - - // Function objects that require heap allocation - static inline void - manager(const function_buffer& in_buffer, function_buffer& out_buffer, - functor_manager_operation_type op, mpl::false_) - { - typedef functor_wrapper<Functor,Allocator> functor_wrapper_type; - typedef typename Allocator::template rebind<functor_wrapper_type>::other - wrapper_allocator_type; - typedef typename wrapper_allocator_type::pointer wrapper_allocator_pointer_type; - - if (op == clone_functor_tag) { - // Clone the functor - // GCC 2.95.3 gets the CV qualifiers wrong here, so we - // can't do the static_cast that we should do. - const functor_wrapper_type* f = - static_cast<const functor_wrapper_type*>(in_buffer.members.obj_ptr); - wrapper_allocator_type wrapper_allocator(static_cast<Allocator const &>(*f)); - wrapper_allocator_pointer_type copy = wrapper_allocator.allocate(1); - wrapper_allocator.construct(copy, *f); - - // Get back to the original pointer type - functor_wrapper_type* new_f = static_cast<functor_wrapper_type*>(copy); - out_buffer.members.obj_ptr = new_f; - } else if (op == move_functor_tag) { - out_buffer.members.obj_ptr = in_buffer.members.obj_ptr; - in_buffer.members.obj_ptr = 0; - } else if (op == destroy_functor_tag) { - /* Cast from the void pointer to the functor_wrapper_type */ - functor_wrapper_type* victim = - static_cast<functor_wrapper_type*>(in_buffer.members.obj_ptr); - wrapper_allocator_type wrapper_allocator(static_cast<Allocator const &>(*victim)); - wrapper_allocator.destroy(victim); - wrapper_allocator.deallocate(victim,1); - out_buffer.members.obj_ptr = 0; - } else if (op == check_functor_type_tag) { - if (*out_buffer.members.type.type == boost::typeindex::type_id<Functor>()) - out_buffer.members.obj_ptr = in_buffer.members.obj_ptr; - else - out_buffer.members.obj_ptr = 0; - } else /* op == get_functor_type_tag */ { - out_buffer.members.type.type = &boost::typeindex::type_id<Functor>().type_info(); - out_buffer.members.type.const_qualified = false; - out_buffer.members.type.volatile_qualified = false; - } - } - - // For function objects, we determine whether the function - // object can use the small-object optimization buffer or - // whether we need to allocate it on the heap. - static inline void - manager(const function_buffer& in_buffer, function_buffer& out_buffer, - functor_manager_operation_type op, function_obj_tag) - { - manager(in_buffer, out_buffer, op, - mpl::bool_<(function_allows_small_object_optimization<functor_type>::value)>()); - } - - public: - /* Dispatch to an appropriate manager based on whether we have a - function pointer or a function object pointer. */ - static inline void - manage(const function_buffer& in_buffer, function_buffer& out_buffer, - functor_manager_operation_type op) - { - typedef typename get_function_tag<functor_type>::type tag_type; - switch (op) { - case get_functor_type_tag: - out_buffer.members.type.type = &boost::typeindex::type_id<functor_type>().type_info(); - out_buffer.members.type.const_qualified = false; - out_buffer.members.type.volatile_qualified = false; - return; - - default: - manager(in_buffer, out_buffer, op, tag_type()); - return; - } - } - }; - - // A type that is only used for comparisons against zero - struct useless_clear_type {}; - -#ifdef BOOST_NO_SFINAE - // These routines perform comparisons between a Boost.Function - // object and an arbitrary function object (when the last - // parameter is mpl::bool_<false>) or against zero (when the - // last parameter is mpl::bool_<true>). They are only necessary - // for compilers that don't support SFINAE. - template<typename Function, typename Functor> - bool - compare_equal(const Function& f, const Functor&, int, mpl::bool_<true>) - { return f.empty(); } - - template<typename Function, typename Functor> - bool - compare_not_equal(const Function& f, const Functor&, int, - mpl::bool_<true>) - { return !f.empty(); } - - template<typename Function, typename Functor> - bool - compare_equal(const Function& f, const Functor& g, long, - mpl::bool_<false>) - { - if (const Functor* fp = f.template target<Functor>()) - return function_equal(*fp, g); - else return false; - } - - template<typename Function, typename Functor> - bool - compare_equal(const Function& f, const reference_wrapper<Functor>& g, - int, mpl::bool_<false>) - { - if (const Functor* fp = f.template target<Functor>()) - return fp == g.get_pointer(); - else return false; - } - - template<typename Function, typename Functor> - bool - compare_not_equal(const Function& f, const Functor& g, long, - mpl::bool_<false>) - { - if (const Functor* fp = f.template target<Functor>()) - return !function_equal(*fp, g); - else return true; - } - - template<typename Function, typename Functor> - bool - compare_not_equal(const Function& f, - const reference_wrapper<Functor>& g, int, - mpl::bool_<false>) - { - if (const Functor* fp = f.template target<Functor>()) - return fp != g.get_pointer(); - else return true; - } -#endif // BOOST_NO_SFINAE - - /** - * Stores the "manager" portion of the vtable for a - * boost::function object. - */ - struct vtable_base - { - void (*manager)(const function_buffer& in_buffer, - function_buffer& out_buffer, - functor_manager_operation_type op); - }; - } // end namespace function - } // end namespace detail - -/** - * The function_base class contains the basic elements needed for the - * function1, function2, function3, etc. classes. It is common to all - * functions (and as such can be used to tell if we have one of the - * functionN objects). - */ -class function_base -{ -public: - function_base() : vtable(0) { } - - /** Determine if the function is empty (i.e., has no target). */ - bool empty() const { return !vtable; } - - /** Retrieve the type of the stored function object, or type_id<void>() - if this is empty. */ - const boost::typeindex::type_info& target_type() const - { - if (!vtable) return boost::typeindex::type_id<void>().type_info(); - - detail::function::function_buffer type; - get_vtable()->manager(functor, type, detail::function::get_functor_type_tag); - return *type.members.type.type; - } - - template<typename Functor> - Functor* target() - { - if (!vtable) return 0; - - detail::function::function_buffer type_result; - type_result.members.type.type = &boost::typeindex::type_id<Functor>().type_info(); - type_result.members.type.const_qualified = is_const<Functor>::value; - type_result.members.type.volatile_qualified = is_volatile<Functor>::value; - get_vtable()->manager(functor, type_result, - detail::function::check_functor_type_tag); - return static_cast<Functor*>(type_result.members.obj_ptr); - } - - template<typename Functor> - const Functor* target() const - { - if (!vtable) return 0; - - detail::function::function_buffer type_result; - type_result.members.type.type = &boost::typeindex::type_id<Functor>().type_info(); - type_result.members.type.const_qualified = true; - type_result.members.type.volatile_qualified = is_volatile<Functor>::value; - get_vtable()->manager(functor, type_result, - detail::function::check_functor_type_tag); - // GCC 2.95.3 gets the CV qualifiers wrong here, so we - // can't do the static_cast that we should do. - return static_cast<const Functor*>(type_result.members.obj_ptr); - } - - template<typename F> - bool contains(const F& f) const - { - if (const F* fp = this->template target<F>()) - { - return function_equal(*fp, f); - } else { - return false; - } - } - -#if defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3 - // GCC 3.3 and newer cannot copy with the global operator==, due to - // problems with instantiation of function return types before it - // has been verified that the argument types match up. - template<typename Functor> - BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor, bool) - operator==(Functor g) const - { - if (const Functor* fp = target<Functor>()) - return function_equal(*fp, g); - else return false; - } - - template<typename Functor> - BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor, bool) - operator!=(Functor g) const - { - if (const Functor* fp = target<Functor>()) - return !function_equal(*fp, g); - else return true; - } -#endif - -public: // should be protected, but GCC 2.95.3 will fail to allow access - detail::function::vtable_base* get_vtable() const { - return reinterpret_cast<detail::function::vtable_base*>( - reinterpret_cast<std::size_t>(vtable) & ~static_cast<std::size_t>(0x01)); - } - - bool has_trivial_copy_and_destroy() const { - return reinterpret_cast<std::size_t>(vtable) & 0x01; - } - - detail::function::vtable_base* vtable; - mutable detail::function::function_buffer functor; -}; - -/** - * The bad_function_call exception class is thrown when a boost::function - * object is invoked - */ -class bad_function_call : public std::runtime_error -{ -public: - bad_function_call() : std::runtime_error("call to empty boost::function") {} -}; - -#ifndef BOOST_NO_SFINAE -inline bool operator==(const function_base& f, - detail::function::useless_clear_type*) -{ - return f.empty(); -} - -inline bool operator!=(const function_base& f, - detail::function::useless_clear_type*) -{ - return !f.empty(); -} - -inline bool operator==(detail::function::useless_clear_type*, - const function_base& f) -{ - return f.empty(); -} - -inline bool operator!=(detail::function::useless_clear_type*, - const function_base& f) -{ - return !f.empty(); -} -#endif - -#ifdef BOOST_NO_SFINAE -// Comparisons between boost::function objects and arbitrary function objects -template<typename Functor> - inline bool operator==(const function_base& f, Functor g) - { - typedef mpl::bool_<(is_integral<Functor>::value)> integral; - return detail::function::compare_equal(f, g, 0, integral()); - } - -template<typename Functor> - inline bool operator==(Functor g, const function_base& f) - { - typedef mpl::bool_<(is_integral<Functor>::value)> integral; - return detail::function::compare_equal(f, g, 0, integral()); - } - -template<typename Functor> - inline bool operator!=(const function_base& f, Functor g) - { - typedef mpl::bool_<(is_integral<Functor>::value)> integral; - return detail::function::compare_not_equal(f, g, 0, integral()); - } - -template<typename Functor> - inline bool operator!=(Functor g, const function_base& f) - { - typedef mpl::bool_<(is_integral<Functor>::value)> integral; - return detail::function::compare_not_equal(f, g, 0, integral()); - } -#else - -# if !(defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3) -// Comparisons between boost::function objects and arbitrary function -// objects. GCC 3.3 and before has an obnoxious bug that prevents this -// from working. -template<typename Functor> - BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor, bool) - operator==(const function_base& f, Functor g) - { - if (const Functor* fp = f.template target<Functor>()) - return function_equal(*fp, g); - else return false; - } - -template<typename Functor> - BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor, bool) - operator==(Functor g, const function_base& f) - { - if (const Functor* fp = f.template target<Functor>()) - return function_equal(g, *fp); - else return false; - } - -template<typename Functor> - BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor, bool) - operator!=(const function_base& f, Functor g) - { - if (const Functor* fp = f.template target<Functor>()) - return !function_equal(*fp, g); - else return true; - } - -template<typename Functor> - BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor, bool) - operator!=(Functor g, const function_base& f) - { - if (const Functor* fp = f.template target<Functor>()) - return !function_equal(g, *fp); - else return true; - } -# endif - -template<typename Functor> - BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor, bool) - operator==(const function_base& f, reference_wrapper<Functor> g) - { - if (const Functor* fp = f.template target<Functor>()) - return fp == g.get_pointer(); - else return false; - } - -template<typename Functor> - BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor, bool) - operator==(reference_wrapper<Functor> g, const function_base& f) - { - if (const Functor* fp = f.template target<Functor>()) - return g.get_pointer() == fp; - else return false; - } - -template<typename Functor> - BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor, bool) - operator!=(const function_base& f, reference_wrapper<Functor> g) - { - if (const Functor* fp = f.template target<Functor>()) - return fp != g.get_pointer(); - else return true; - } - -template<typename Functor> - BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor, bool) - operator!=(reference_wrapper<Functor> g, const function_base& f) - { - if (const Functor* fp = f.template target<Functor>()) - return g.get_pointer() != fp; - else return true; - } - -#endif // Compiler supporting SFINAE - -namespace detail { - namespace function { - inline bool has_empty_target(const function_base* f) - { - return f->empty(); - } - -#if BOOST_WORKAROUND(BOOST_MSVC, <= 1310) - inline bool has_empty_target(const void*) - { - return false; - } -#else - inline bool has_empty_target(...) - { - return false; - } -#endif - } // end namespace function -} // end namespace detail -} // end namespace boost - -#undef BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL - -#if defined(BOOST_MSVC) -# pragma warning( pop ) -#endif - -#endif // BOOST_FUNCTION_BASE_HEADER +// Boost.Function library
+
+// Copyright Douglas Gregor 2001-2006
+// Copyright Emil Dotchevski 2007
+// 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_FUNCTION_BASE_HEADER
+#define BOOST_FUNCTION_BASE_HEADER
+
+#include <stdexcept>
+#include <string>
+#include <memory>
+#include <new>
+#include <boost/config.hpp>
+#include <boost/assert.hpp>
+#include <boost/integer.hpp>
+#include <boost/type_index.hpp>
+#include <boost/type_traits/has_trivial_copy.hpp>
+#include <boost/type_traits/has_trivial_destructor.hpp>
+#include <boost/type_traits/is_const.hpp>
+#include <boost/type_traits/is_integral.hpp>
+#include <boost/type_traits/is_volatile.hpp>
+#include <boost/type_traits/composite_traits.hpp>
+#include <boost/ref.hpp>
+#include <boost/mpl/if.hpp>
+#include <boost/detail/workaround.hpp>
+#include <boost/type_traits/alignment_of.hpp>
+#ifndef BOOST_NO_SFINAE
+# include "boost/utility/enable_if.hpp"
+#else
+# include "boost/mpl/bool.hpp"
+#endif
+#include <boost/function_equal.hpp>
+#include <boost/function/function_fwd.hpp>
+
+#if defined(BOOST_MSVC)
+# pragma warning( push )
+# pragma warning( disable : 4793 ) // complaint about native code generation
+# pragma warning( disable : 4127 ) // "conditional expression is constant"
+#endif
+
+#if defined(__ICL) && __ICL <= 600 || defined(__MWERKS__) && __MWERKS__ < 0x2406 && !defined(BOOST_STRICT_CONFIG)
+# define BOOST_FUNCTION_TARGET_FIX(x) x
+#else
+# define BOOST_FUNCTION_TARGET_FIX(x)
+#endif // __ICL etc
+
+# define BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor,Type) \
+ typename ::boost::enable_if_c< \
+ !(::boost::is_integral<Functor>::value), \
+ Type>::type
+
+namespace boost {
+ namespace detail {
+ namespace function {
+ class X;
+
+ /**
+ * A buffer used to store small function objects in
+ * boost::function. It is a union containing function pointers,
+ * object pointers, and a structure that resembles a bound
+ * member function pointer.
+ */
+ union function_buffer_members
+ {
+ // For pointers to function objects
+ typedef void* obj_ptr_t;
+ mutable obj_ptr_t obj_ptr;
+
+ // For pointers to std::type_info objects
+ struct type_t {
+ // (get_functor_type_tag, check_functor_type_tag).
+ const boost::typeindex::type_info* type;
+
+ // Whether the type is const-qualified.
+ bool const_qualified;
+ // Whether the type is volatile-qualified.
+ bool volatile_qualified;
+ } type;
+
+ // For function pointers of all kinds
+ typedef void (*func_ptr_t)();
+ mutable func_ptr_t func_ptr;
+
+ // For bound member pointers
+ struct bound_memfunc_ptr_t {
+ void (X::*memfunc_ptr)(int);
+ void* obj_ptr;
+ } bound_memfunc_ptr;
+
+ // For references to function objects. We explicitly keep
+ // track of the cv-qualifiers on the object referenced.
+ struct obj_ref_t {
+ mutable void* obj_ptr;
+ bool is_const_qualified;
+ bool is_volatile_qualified;
+ } obj_ref;
+ };
+
+ union function_buffer
+ {
+ // Type-specific union members
+ mutable function_buffer_members members;
+
+ // To relax aliasing constraints
+ mutable char data[sizeof(function_buffer_members)];
+ };
+
+ /**
+ * 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 to
+ * handle Boost.Function objects returning void.
+ */
+ struct unusable
+ {
+ unusable() {}
+ template<typename T> unusable(const T&) {}
+ };
+
+ /* Determine the return type. This supports compilers that do not support
+ * void returns or partial specialization by silently changing the return
+ * type to "unusable".
+ */
+ template<typename T> struct function_return_type { typedef T type; };
+
+ template<>
+ struct function_return_type<void>
+ {
+ typedef unusable type;
+ };
+
+ // The operation type to perform on the given functor/function pointer
+ enum functor_manager_operation_type {
+ clone_functor_tag,
+ move_functor_tag,
+ destroy_functor_tag,
+ check_functor_type_tag,
+ get_functor_type_tag
+ };
+
+ // Tags used to decide between different types of functions
+ struct function_ptr_tag {};
+ struct function_obj_tag {};
+ struct member_ptr_tag {};
+ struct function_obj_ref_tag {};
+
+ template<typename F>
+ class get_function_tag
+ {
+ typedef typename mpl::if_c<(is_pointer<F>::value),
+ function_ptr_tag,
+ function_obj_tag>::type ptr_or_obj_tag;
+
+ typedef typename mpl::if_c<(is_member_pointer<F>::value),
+ member_ptr_tag,
+ ptr_or_obj_tag>::type ptr_or_obj_or_mem_tag;
+
+ typedef typename mpl::if_c<(is_reference_wrapper<F>::value),
+ function_obj_ref_tag,
+ ptr_or_obj_or_mem_tag>::type or_ref_tag;
+
+ public:
+ typedef or_ref_tag type;
+ };
+
+ // The trivial manager does nothing but return the same pointer (if we
+ // are cloning) or return the null pointer (if we are deleting).
+ template<typename F>
+ struct reference_manager
+ {
+ static inline void
+ manage(const function_buffer& in_buffer, function_buffer& out_buffer,
+ functor_manager_operation_type op)
+ {
+ switch (op) {
+ case clone_functor_tag:
+ out_buffer.members.obj_ref = in_buffer.members.obj_ref;
+ return;
+
+ case move_functor_tag:
+ out_buffer.members.obj_ref = in_buffer.members.obj_ref;
+ in_buffer.members.obj_ref.obj_ptr = 0;
+ return;
+
+ case destroy_functor_tag:
+ out_buffer.members.obj_ref.obj_ptr = 0;
+ return;
+
+ case check_functor_type_tag:
+ {
+ // Check whether we have the same type. We can add
+ // cv-qualifiers, but we can't take them away.
+ if (*out_buffer.members.type.type == boost::typeindex::type_id<F>()
+ && (!in_buffer.members.obj_ref.is_const_qualified
+ || out_buffer.members.type.const_qualified)
+ && (!in_buffer.members.obj_ref.is_volatile_qualified
+ || out_buffer.members.type.volatile_qualified))
+ out_buffer.members.obj_ptr = in_buffer.members.obj_ref.obj_ptr;
+ else
+ out_buffer.members.obj_ptr = 0;
+ }
+ return;
+
+ case get_functor_type_tag:
+ out_buffer.members.type.type = &boost::typeindex::type_id<F>().type_info();
+ out_buffer.members.type.const_qualified = in_buffer.members.obj_ref.is_const_qualified;
+ out_buffer.members.type.volatile_qualified = in_buffer.members.obj_ref.is_volatile_qualified;
+ return;
+ }
+ }
+ };
+
+ /**
+ * Determine if boost::function can use the small-object
+ * optimization with the function object type F.
+ */
+ template<typename F>
+ struct function_allows_small_object_optimization
+ {
+ BOOST_STATIC_CONSTANT
+ (bool,
+ value = ((sizeof(F) <= sizeof(function_buffer) &&
+ (alignment_of<function_buffer>::value
+ % alignment_of<F>::value == 0))));
+ };
+
+ template <typename F,typename A>
+ struct functor_wrapper: public F, public A
+ {
+ functor_wrapper( F f, A a ):
+ F(f),
+ A(a)
+ {
+ }
+
+ functor_wrapper(const functor_wrapper& f) :
+ F(static_cast<const F&>(f)),
+ A(static_cast<const A&>(f))
+ {
+ }
+ };
+
+ /**
+ * The functor_manager class contains a static function "manage" which
+ * can clone or destroy the given function/function object pointer.
+ */
+ template<typename Functor>
+ struct functor_manager_common
+ {
+ typedef Functor functor_type;
+
+ // Function pointers
+ static inline void
+ manage_ptr(const function_buffer& in_buffer, function_buffer& out_buffer,
+ functor_manager_operation_type op)
+ {
+ if (op == clone_functor_tag)
+ out_buffer.members.func_ptr = in_buffer.members.func_ptr;
+ else if (op == move_functor_tag) {
+ out_buffer.members.func_ptr = in_buffer.members.func_ptr;
+ in_buffer.members.func_ptr = 0;
+ } else if (op == destroy_functor_tag)
+ out_buffer.members.func_ptr = 0;
+ else if (op == check_functor_type_tag) {
+ if (*out_buffer.members.type.type == boost::typeindex::type_id<Functor>())
+ out_buffer.members.obj_ptr = &in_buffer.members.func_ptr;
+ else
+ out_buffer.members.obj_ptr = 0;
+ } else /* op == get_functor_type_tag */ {
+ out_buffer.members.type.type = &boost::typeindex::type_id<Functor>().type_info();
+ out_buffer.members.type.const_qualified = false;
+ out_buffer.members.type.volatile_qualified = false;
+ }
+ }
+
+ // Function objects that fit in the small-object buffer.
+ static inline void
+ manage_small(const function_buffer& in_buffer, function_buffer& out_buffer,
+ functor_manager_operation_type op)
+ {
+ if (op == clone_functor_tag || op == move_functor_tag) {
+ const functor_type* in_functor =
+ reinterpret_cast<const functor_type*>(in_buffer.data);
+ new (reinterpret_cast<void*>(out_buffer.data)) functor_type(*in_functor);
+
+ if (op == move_functor_tag) {
+ functor_type* f = reinterpret_cast<functor_type*>(in_buffer.data);
+ (void)f; // suppress warning about the value of f not being used (MSVC)
+ f->~Functor();
+ }
+ } else if (op == destroy_functor_tag) {
+ // Some compilers (Borland, vc6, ...) are unhappy with ~functor_type.
+ functor_type* f = reinterpret_cast<functor_type*>(out_buffer.data);
+ (void)f; // suppress warning about the value of f not being used (MSVC)
+ f->~Functor();
+ } else if (op == check_functor_type_tag) {
+ if (*out_buffer.members.type.type == boost::typeindex::type_id<Functor>())
+ out_buffer.members.obj_ptr = in_buffer.data;
+ else
+ out_buffer.members.obj_ptr = 0;
+ } else /* op == get_functor_type_tag */ {
+ out_buffer.members.type.type = &boost::typeindex::type_id<Functor>().type_info();
+ out_buffer.members.type.const_qualified = false;
+ out_buffer.members.type.volatile_qualified = false;
+ }
+ }
+ };
+
+ template<typename Functor>
+ struct functor_manager
+ {
+ private:
+ typedef Functor functor_type;
+
+ // Function pointers
+ static inline void
+ manager(const function_buffer& in_buffer, function_buffer& out_buffer,
+ functor_manager_operation_type op, function_ptr_tag)
+ {
+ functor_manager_common<Functor>::manage_ptr(in_buffer,out_buffer,op);
+ }
+
+ // Function objects that fit in the small-object buffer.
+ static inline void
+ manager(const function_buffer& in_buffer, function_buffer& out_buffer,
+ functor_manager_operation_type op, mpl::true_)
+ {
+ functor_manager_common<Functor>::manage_small(in_buffer,out_buffer,op);
+ }
+
+ // Function objects that require heap allocation
+ static inline void
+ manager(const function_buffer& in_buffer, function_buffer& out_buffer,
+ functor_manager_operation_type op, mpl::false_)
+ {
+ if (op == clone_functor_tag) {
+ // Clone the functor
+ // GCC 2.95.3 gets the CV qualifiers wrong here, so we
+ // can't do the static_cast that we should do.
+ // jewillco: Changing this to static_cast because GCC 2.95.3 is
+ // obsolete.
+ const functor_type* f =
+ static_cast<const functor_type*>(in_buffer.members.obj_ptr);
+ functor_type* new_f = new functor_type(*f);
+ out_buffer.members.obj_ptr = new_f;
+ } else if (op == move_functor_tag) {
+ out_buffer.members.obj_ptr = in_buffer.members.obj_ptr;
+ in_buffer.members.obj_ptr = 0;
+ } else if (op == destroy_functor_tag) {
+ /* Cast from the void pointer to the functor pointer type */
+ functor_type* f =
+ static_cast<functor_type*>(out_buffer.members.obj_ptr);
+ delete f;
+ out_buffer.members.obj_ptr = 0;
+ } else if (op == check_functor_type_tag) {
+ if (*out_buffer.members.type.type == boost::typeindex::type_id<Functor>())
+ out_buffer.members.obj_ptr = in_buffer.members.obj_ptr;
+ else
+ out_buffer.members.obj_ptr = 0;
+ } else /* op == get_functor_type_tag */ {
+ out_buffer.members.type.type = &boost::typeindex::type_id<Functor>().type_info();
+ out_buffer.members.type.const_qualified = false;
+ out_buffer.members.type.volatile_qualified = false;
+ }
+ }
+
+ // For function objects, we determine whether the function
+ // object can use the small-object optimization buffer or
+ // whether we need to allocate it on the heap.
+ static inline void
+ manager(const function_buffer& in_buffer, function_buffer& out_buffer,
+ functor_manager_operation_type op, function_obj_tag)
+ {
+ manager(in_buffer, out_buffer, op,
+ mpl::bool_<(function_allows_small_object_optimization<functor_type>::value)>());
+ }
+
+ // For member pointers, we use the small-object optimization buffer.
+ static inline void
+ manager(const function_buffer& in_buffer, function_buffer& out_buffer,
+ functor_manager_operation_type op, member_ptr_tag)
+ {
+ manager(in_buffer, out_buffer, op, mpl::true_());
+ }
+
+ public:
+ /* Dispatch to an appropriate manager based on whether we have a
+ function pointer or a function object pointer. */
+ static inline void
+ manage(const function_buffer& in_buffer, function_buffer& out_buffer,
+ functor_manager_operation_type op)
+ {
+ typedef typename get_function_tag<functor_type>::type tag_type;
+ switch (op) {
+ case get_functor_type_tag:
+ out_buffer.members.type.type = &boost::typeindex::type_id<functor_type>().type_info();
+ out_buffer.members.type.const_qualified = false;
+ out_buffer.members.type.volatile_qualified = false;
+ return;
+
+ default:
+ manager(in_buffer, out_buffer, op, tag_type());
+ return;
+ }
+ }
+ };
+
+ template<typename Functor, typename Allocator>
+ struct functor_manager_a
+ {
+ private:
+ typedef Functor functor_type;
+
+ // Function pointers
+ static inline void
+ manager(const function_buffer& in_buffer, function_buffer& out_buffer,
+ functor_manager_operation_type op, function_ptr_tag)
+ {
+ functor_manager_common<Functor>::manage_ptr(in_buffer,out_buffer,op);
+ }
+
+ // Function objects that fit in the small-object buffer.
+ static inline void
+ manager(const function_buffer& in_buffer, function_buffer& out_buffer,
+ functor_manager_operation_type op, mpl::true_)
+ {
+ functor_manager_common<Functor>::manage_small(in_buffer,out_buffer,op);
+ }
+
+ // Function objects that require heap allocation
+ static inline void
+ manager(const function_buffer& in_buffer, function_buffer& out_buffer,
+ functor_manager_operation_type op, mpl::false_)
+ {
+ typedef functor_wrapper<Functor,Allocator> functor_wrapper_type;
+ typedef typename Allocator::template rebind<functor_wrapper_type>::other
+ wrapper_allocator_type;
+ typedef typename wrapper_allocator_type::pointer wrapper_allocator_pointer_type;
+
+ if (op == clone_functor_tag) {
+ // Clone the functor
+ // GCC 2.95.3 gets the CV qualifiers wrong here, so we
+ // can't do the static_cast that we should do.
+ const functor_wrapper_type* f =
+ static_cast<const functor_wrapper_type*>(in_buffer.members.obj_ptr);
+ wrapper_allocator_type wrapper_allocator(static_cast<Allocator const &>(*f));
+ wrapper_allocator_pointer_type copy = wrapper_allocator.allocate(1);
+ wrapper_allocator.construct(copy, *f);
+
+ // Get back to the original pointer type
+ functor_wrapper_type* new_f = static_cast<functor_wrapper_type*>(copy);
+ out_buffer.members.obj_ptr = new_f;
+ } else if (op == move_functor_tag) {
+ out_buffer.members.obj_ptr = in_buffer.members.obj_ptr;
+ in_buffer.members.obj_ptr = 0;
+ } else if (op == destroy_functor_tag) {
+ /* Cast from the void pointer to the functor_wrapper_type */
+ functor_wrapper_type* victim =
+ static_cast<functor_wrapper_type*>(in_buffer.members.obj_ptr);
+ wrapper_allocator_type wrapper_allocator(static_cast<Allocator const &>(*victim));
+ wrapper_allocator.destroy(victim);
+ wrapper_allocator.deallocate(victim,1);
+ out_buffer.members.obj_ptr = 0;
+ } else if (op == check_functor_type_tag) {
+ if (*out_buffer.members.type.type == boost::typeindex::type_id<Functor>())
+ out_buffer.members.obj_ptr = in_buffer.members.obj_ptr;
+ else
+ out_buffer.members.obj_ptr = 0;
+ } else /* op == get_functor_type_tag */ {
+ out_buffer.members.type.type = &boost::typeindex::type_id<Functor>().type_info();
+ out_buffer.members.type.const_qualified = false;
+ out_buffer.members.type.volatile_qualified = false;
+ }
+ }
+
+ // For function objects, we determine whether the function
+ // object can use the small-object optimization buffer or
+ // whether we need to allocate it on the heap.
+ static inline void
+ manager(const function_buffer& in_buffer, function_buffer& out_buffer,
+ functor_manager_operation_type op, function_obj_tag)
+ {
+ manager(in_buffer, out_buffer, op,
+ mpl::bool_<(function_allows_small_object_optimization<functor_type>::value)>());
+ }
+
+ public:
+ /* Dispatch to an appropriate manager based on whether we have a
+ function pointer or a function object pointer. */
+ static inline void
+ manage(const function_buffer& in_buffer, function_buffer& out_buffer,
+ functor_manager_operation_type op)
+ {
+ typedef typename get_function_tag<functor_type>::type tag_type;
+ switch (op) {
+ case get_functor_type_tag:
+ out_buffer.members.type.type = &boost::typeindex::type_id<functor_type>().type_info();
+ out_buffer.members.type.const_qualified = false;
+ out_buffer.members.type.volatile_qualified = false;
+ return;
+
+ default:
+ manager(in_buffer, out_buffer, op, tag_type());
+ return;
+ }
+ }
+ };
+
+ // A type that is only used for comparisons against zero
+ struct useless_clear_type {};
+
+#ifdef BOOST_NO_SFINAE
+ // These routines perform comparisons between a Boost.Function
+ // object and an arbitrary function object (when the last
+ // parameter is mpl::bool_<false>) or against zero (when the
+ // last parameter is mpl::bool_<true>). They are only necessary
+ // for compilers that don't support SFINAE.
+ template<typename Function, typename Functor>
+ bool
+ compare_equal(const Function& f, const Functor&, int, mpl::bool_<true>)
+ { return f.empty(); }
+
+ template<typename Function, typename Functor>
+ bool
+ compare_not_equal(const Function& f, const Functor&, int,
+ mpl::bool_<true>)
+ { return !f.empty(); }
+
+ template<typename Function, typename Functor>
+ bool
+ compare_equal(const Function& f, const Functor& g, long,
+ mpl::bool_<false>)
+ {
+ if (const Functor* fp = f.template target<Functor>())
+ return function_equal(*fp, g);
+ else return false;
+ }
+
+ template<typename Function, typename Functor>
+ bool
+ compare_equal(const Function& f, const reference_wrapper<Functor>& g,
+ int, mpl::bool_<false>)
+ {
+ if (const Functor* fp = f.template target<Functor>())
+ return fp == g.get_pointer();
+ else return false;
+ }
+
+ template<typename Function, typename Functor>
+ bool
+ compare_not_equal(const Function& f, const Functor& g, long,
+ mpl::bool_<false>)
+ {
+ if (const Functor* fp = f.template target<Functor>())
+ return !function_equal(*fp, g);
+ else return true;
+ }
+
+ template<typename Function, typename Functor>
+ bool
+ compare_not_equal(const Function& f,
+ const reference_wrapper<Functor>& g, int,
+ mpl::bool_<false>)
+ {
+ if (const Functor* fp = f.template target<Functor>())
+ return fp != g.get_pointer();
+ else return true;
+ }
+#endif // BOOST_NO_SFINAE
+
+ /**
+ * Stores the "manager" portion of the vtable for a
+ * boost::function object.
+ */
+ struct vtable_base
+ {
+ void (*manager)(const function_buffer& in_buffer,
+ function_buffer& out_buffer,
+ functor_manager_operation_type op);
+ };
+ } // end namespace function
+ } // end namespace detail
+
+/**
+ * The function_base class contains the basic elements needed for the
+ * function1, function2, function3, etc. classes. It is common to all
+ * functions (and as such can be used to tell if we have one of the
+ * functionN objects).
+ */
+class function_base
+{
+public:
+ function_base() : vtable(0) { }
+
+ /** Determine if the function is empty (i.e., has no target). */
+ bool empty() const { return !vtable; }
+
+ /** Retrieve the type of the stored function object, or type_id<void>()
+ if this is empty. */
+ const boost::typeindex::type_info& target_type() const
+ {
+ if (!vtable) return boost::typeindex::type_id<void>().type_info();
+
+ detail::function::function_buffer type;
+ get_vtable()->manager(functor, type, detail::function::get_functor_type_tag);
+ return *type.members.type.type;
+ }
+
+ template<typename Functor>
+ Functor* target()
+ {
+ if (!vtable) return 0;
+
+ detail::function::function_buffer type_result;
+ type_result.members.type.type = &boost::typeindex::type_id<Functor>().type_info();
+ type_result.members.type.const_qualified = is_const<Functor>::value;
+ type_result.members.type.volatile_qualified = is_volatile<Functor>::value;
+ get_vtable()->manager(functor, type_result,
+ detail::function::check_functor_type_tag);
+ return static_cast<Functor*>(type_result.members.obj_ptr);
+ }
+
+ template<typename Functor>
+ const Functor* target() const
+ {
+ if (!vtable) return 0;
+
+ detail::function::function_buffer type_result;
+ type_result.members.type.type = &boost::typeindex::type_id<Functor>().type_info();
+ type_result.members.type.const_qualified = true;
+ type_result.members.type.volatile_qualified = is_volatile<Functor>::value;
+ get_vtable()->manager(functor, type_result,
+ detail::function::check_functor_type_tag);
+ // GCC 2.95.3 gets the CV qualifiers wrong here, so we
+ // can't do the static_cast that we should do.
+ return static_cast<const Functor*>(type_result.members.obj_ptr);
+ }
+
+ template<typename F>
+ bool contains(const F& f) const
+ {
+ if (const F* fp = this->template target<F>())
+ {
+ return function_equal(*fp, f);
+ } else {
+ return false;
+ }
+ }
+
+#if defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3
+ // GCC 3.3 and newer cannot copy with the global operator==, due to
+ // problems with instantiation of function return types before it
+ // has been verified that the argument types match up.
+ template<typename Functor>
+ BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor, bool)
+ operator==(Functor g) const
+ {
+ if (const Functor* fp = target<Functor>())
+ return function_equal(*fp, g);
+ else return false;
+ }
+
+ template<typename Functor>
+ BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor, bool)
+ operator!=(Functor g) const
+ {
+ if (const Functor* fp = target<Functor>())
+ return !function_equal(*fp, g);
+ else return true;
+ }
+#endif
+
+public: // should be protected, but GCC 2.95.3 will fail to allow access
+ detail::function::vtable_base* get_vtable() const {
+ return reinterpret_cast<detail::function::vtable_base*>(
+ reinterpret_cast<std::size_t>(vtable) & ~static_cast<std::size_t>(0x01));
+ }
+
+ bool has_trivial_copy_and_destroy() const {
+ return reinterpret_cast<std::size_t>(vtable) & 0x01;
+ }
+
+ detail::function::vtable_base* vtable;
+ mutable detail::function::function_buffer functor;
+};
+
+/**
+ * The bad_function_call exception class is thrown when a boost::function
+ * object is invoked
+ */
+class bad_function_call : public std::runtime_error
+{
+public:
+ bad_function_call() : std::runtime_error("call to empty boost::function") {}
+};
+
+#ifndef BOOST_NO_SFINAE
+inline bool operator==(const function_base& f,
+ detail::function::useless_clear_type*)
+{
+ return f.empty();
+}
+
+inline bool operator!=(const function_base& f,
+ detail::function::useless_clear_type*)
+{
+ return !f.empty();
+}
+
+inline bool operator==(detail::function::useless_clear_type*,
+ const function_base& f)
+{
+ return f.empty();
+}
+
+inline bool operator!=(detail::function::useless_clear_type*,
+ const function_base& f)
+{
+ return !f.empty();
+}
+#endif
+
+#ifdef BOOST_NO_SFINAE
+// Comparisons between boost::function objects and arbitrary function objects
+template<typename Functor>
+ inline bool operator==(const function_base& f, Functor g)
+ {
+ typedef mpl::bool_<(is_integral<Functor>::value)> integral;
+ return detail::function::compare_equal(f, g, 0, integral());
+ }
+
+template<typename Functor>
+ inline bool operator==(Functor g, const function_base& f)
+ {
+ typedef mpl::bool_<(is_integral<Functor>::value)> integral;
+ return detail::function::compare_equal(f, g, 0, integral());
+ }
+
+template<typename Functor>
+ inline bool operator!=(const function_base& f, Functor g)
+ {
+ typedef mpl::bool_<(is_integral<Functor>::value)> integral;
+ return detail::function::compare_not_equal(f, g, 0, integral());
+ }
+
+template<typename Functor>
+ inline bool operator!=(Functor g, const function_base& f)
+ {
+ typedef mpl::bool_<(is_integral<Functor>::value)> integral;
+ return detail::function::compare_not_equal(f, g, 0, integral());
+ }
+#else
+
+# if !(defined(__GNUC__) && __GNUC__ == 3 && __GNUC_MINOR__ <= 3)
+// Comparisons between boost::function objects and arbitrary function
+// objects. GCC 3.3 and before has an obnoxious bug that prevents this
+// from working.
+template<typename Functor>
+ BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor, bool)
+ operator==(const function_base& f, Functor g)
+ {
+ if (const Functor* fp = f.template target<Functor>())
+ return function_equal(*fp, g);
+ else return false;
+ }
+
+template<typename Functor>
+ BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor, bool)
+ operator==(Functor g, const function_base& f)
+ {
+ if (const Functor* fp = f.template target<Functor>())
+ return function_equal(g, *fp);
+ else return false;
+ }
+
+template<typename Functor>
+ BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor, bool)
+ operator!=(const function_base& f, Functor g)
+ {
+ if (const Functor* fp = f.template target<Functor>())
+ return !function_equal(*fp, g);
+ else return true;
+ }
+
+template<typename Functor>
+ BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor, bool)
+ operator!=(Functor g, const function_base& f)
+ {
+ if (const Functor* fp = f.template target<Functor>())
+ return !function_equal(g, *fp);
+ else return true;
+ }
+# endif
+
+template<typename Functor>
+ BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor, bool)
+ operator==(const function_base& f, reference_wrapper<Functor> g)
+ {
+ if (const Functor* fp = f.template target<Functor>())
+ return fp == g.get_pointer();
+ else return false;
+ }
+
+template<typename Functor>
+ BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor, bool)
+ operator==(reference_wrapper<Functor> g, const function_base& f)
+ {
+ if (const Functor* fp = f.template target<Functor>())
+ return g.get_pointer() == fp;
+ else return false;
+ }
+
+template<typename Functor>
+ BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor, bool)
+ operator!=(const function_base& f, reference_wrapper<Functor> g)
+ {
+ if (const Functor* fp = f.template target<Functor>())
+ return fp != g.get_pointer();
+ else return true;
+ }
+
+template<typename Functor>
+ BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor, bool)
+ operator!=(reference_wrapper<Functor> g, const function_base& f)
+ {
+ if (const Functor* fp = f.template target<Functor>())
+ return g.get_pointer() != fp;
+ else return true;
+ }
+
+#endif // Compiler supporting SFINAE
+
+namespace detail {
+ namespace function {
+ inline bool has_empty_target(const function_base* f)
+ {
+ return f->empty();
+ }
+
+#if BOOST_WORKAROUND(BOOST_MSVC, <= 1310)
+ inline bool has_empty_target(const void*)
+ {
+ return false;
+ }
+#else
+ inline bool has_empty_target(...)
+ {
+ return false;
+ }
+#endif
+ } // end namespace function
+} // end namespace detail
+} // end namespace boost
+
+#undef BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL
+
+#if defined(BOOST_MSVC)
+# pragma warning( pop )
+#endif
+
+#endif // BOOST_FUNCTION_BASE_HEADER
diff --git a/contrib/src/boost/function/function_fwd.hpp b/contrib/src/boost/function/function_fwd.hpp index e79b504..ca5409e 100644 --- a/contrib/src/boost/function/function_fwd.hpp +++ b/contrib/src/boost/function/function_fwd.hpp @@ -1,69 +1,69 @@ -// Boost.Function library -// Copyright (C) Douglas Gregor 2008 -// -// 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_FUNCTION_FWD_HPP -#define BOOST_FUNCTION_FWD_HPP -#include <boost/config.hpp> - -#if defined(__sgi) && defined(_COMPILER_VERSION) && _COMPILER_VERSION <= 730 && !defined(BOOST_STRICT_CONFIG) -// Work around a compiler bug. -// boost::python::objects::function has to be seen by the compiler before the -// boost::function class template. -namespace boost { namespace python { namespace objects { - class function; -}}} -#endif - -#if defined(BOOST_BCB_PARTIAL_SPECIALIZATION_BUG) \ - || !(defined(BOOST_STRICT_CONFIG) || !defined(__SUNPRO_CC) || __SUNPRO_CC > 0x540) -# define BOOST_FUNCTION_NO_FUNCTION_TYPE_SYNTAX -#endif - -namespace boost { - class bad_function_call; - -#if !defined(BOOST_FUNCTION_NO_FUNCTION_TYPE_SYNTAX) - // Preferred syntax - template<typename Signature> class function; - - template<typename Signature> - inline void swap(function<Signature>& f1, function<Signature>& f2) - { - f1.swap(f2); - } -#endif // have partial specialization - - // Portable syntax - template<typename R> class function0; - template<typename R, typename T1> class function1; - template<typename R, typename T1, typename T2> class function2; - template<typename R, typename T1, typename T2, typename T3> class function3; - template<typename R, typename T1, typename T2, typename T3, typename T4> - class function4; - template<typename R, typename T1, typename T2, typename T3, typename T4, - typename T5> - class function5; - template<typename R, typename T1, typename T2, typename T3, typename T4, - typename T5, typename T6> - class function6; - template<typename R, typename T1, typename T2, typename T3, typename T4, - typename T5, typename T6, typename T7> - class function7; - template<typename R, typename T1, typename T2, typename T3, typename T4, - typename T5, typename T6, typename T7, typename T8> - class function8; - template<typename R, typename T1, typename T2, typename T3, typename T4, - typename T5, typename T6, typename T7, typename T8, typename T9> - class function9; - template<typename R, typename T1, typename T2, typename T3, typename T4, - typename T5, typename T6, typename T7, typename T8, typename T9, - typename T10> - class function10; -} - -#endif +// Boost.Function library
+// Copyright (C) Douglas Gregor 2008
+//
+// 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_FUNCTION_FWD_HPP
+#define BOOST_FUNCTION_FWD_HPP
+#include <boost/config.hpp>
+
+#if defined(__sgi) && defined(_COMPILER_VERSION) && _COMPILER_VERSION <= 730 && !defined(BOOST_STRICT_CONFIG)
+// Work around a compiler bug.
+// boost::python::objects::function has to be seen by the compiler before the
+// boost::function class template.
+namespace boost { namespace python { namespace objects {
+ class function;
+}}}
+#endif
+
+#if defined(BOOST_BCB_PARTIAL_SPECIALIZATION_BUG) \
+ || !(defined(BOOST_STRICT_CONFIG) || !defined(__SUNPRO_CC) || __SUNPRO_CC > 0x540)
+# define BOOST_FUNCTION_NO_FUNCTION_TYPE_SYNTAX
+#endif
+
+namespace boost {
+ class bad_function_call;
+
+#if !defined(BOOST_FUNCTION_NO_FUNCTION_TYPE_SYNTAX)
+ // Preferred syntax
+ template<typename Signature> class function;
+
+ template<typename Signature>
+ inline void swap(function<Signature>& f1, function<Signature>& f2)
+ {
+ f1.swap(f2);
+ }
+#endif // have partial specialization
+
+ // Portable syntax
+ template<typename R> class function0;
+ template<typename R, typename T1> class function1;
+ template<typename R, typename T1, typename T2> class function2;
+ template<typename R, typename T1, typename T2, typename T3> class function3;
+ template<typename R, typename T1, typename T2, typename T3, typename T4>
+ class function4;
+ template<typename R, typename T1, typename T2, typename T3, typename T4,
+ typename T5>
+ class function5;
+ template<typename R, typename T1, typename T2, typename T3, typename T4,
+ typename T5, typename T6>
+ class function6;
+ template<typename R, typename T1, typename T2, typename T3, typename T4,
+ typename T5, typename T6, typename T7>
+ class function7;
+ template<typename R, typename T1, typename T2, typename T3, typename T4,
+ typename T5, typename T6, typename T7, typename T8>
+ class function8;
+ template<typename R, typename T1, typename T2, typename T3, typename T4,
+ typename T5, typename T6, typename T7, typename T8, typename T9>
+ class function9;
+ template<typename R, typename T1, typename T2, typename T3, typename T4,
+ typename T5, typename T6, typename T7, typename T8, typename T9,
+ typename T10>
+ class function10;
+}
+
+#endif
diff --git a/contrib/src/boost/function/function_template.hpp b/contrib/src/boost/function/function_template.hpp index 82c81d7..d0db9a4 100644 --- a/contrib/src/boost/function/function_template.hpp +++ b/contrib/src/boost/function/function_template.hpp @@ -1,1189 +1,1178 @@ -// Boost.Function library - -// Copyright Douglas Gregor 2001-2006 -// Copyright Emil Dotchevski 2007 -// 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 - -// Note: this header is a header template and must NOT have multiple-inclusion -// protection. -#include <boost/function/detail/prologue.hpp> -#include <boost/detail/no_exceptions_support.hpp> - -#if defined(BOOST_MSVC) -# pragma warning( push ) -# pragma warning( disable : 4127 ) // "conditional expression is constant" -#endif - -#define BOOST_FUNCTION_TEMPLATE_PARMS BOOST_PP_ENUM_PARAMS(BOOST_FUNCTION_NUM_ARGS, typename T) - -#define BOOST_FUNCTION_TEMPLATE_ARGS BOOST_PP_ENUM_PARAMS(BOOST_FUNCTION_NUM_ARGS, T) - -#define BOOST_FUNCTION_PARM(J,I,D) BOOST_PP_CAT(T,I) BOOST_PP_CAT(a,I) - -#define BOOST_FUNCTION_PARMS BOOST_PP_ENUM(BOOST_FUNCTION_NUM_ARGS,BOOST_FUNCTION_PARM,BOOST_PP_EMPTY) - -#ifdef BOOST_NO_CXX11_RVALUE_REFERENCES -# define BOOST_FUNCTION_ARGS BOOST_PP_ENUM_PARAMS(BOOST_FUNCTION_NUM_ARGS, a) -#else -# include <boost/move/utility_core.hpp> -# define BOOST_FUNCTION_ARG(J,I,D) ::boost::forward< BOOST_PP_CAT(T,I) >(BOOST_PP_CAT(a,I)) -# define BOOST_FUNCTION_ARGS BOOST_PP_ENUM(BOOST_FUNCTION_NUM_ARGS,BOOST_FUNCTION_ARG,BOOST_PP_EMPTY) -#endif - -#define BOOST_FUNCTION_ARG_TYPE(J,I,D) \ - typedef BOOST_PP_CAT(T,I) BOOST_PP_CAT(BOOST_PP_CAT(arg, BOOST_PP_INC(I)),_type); - -#define BOOST_FUNCTION_ARG_TYPES BOOST_PP_REPEAT(BOOST_FUNCTION_NUM_ARGS,BOOST_FUNCTION_ARG_TYPE,BOOST_PP_EMPTY) - -// Comma if nonzero number of arguments -#if BOOST_FUNCTION_NUM_ARGS == 0 -# define BOOST_FUNCTION_COMMA -#else -# define BOOST_FUNCTION_COMMA , -#endif // BOOST_FUNCTION_NUM_ARGS > 0 - -// Class names used in this version of the code -#define BOOST_FUNCTION_FUNCTION BOOST_JOIN(function,BOOST_FUNCTION_NUM_ARGS) -#define BOOST_FUNCTION_FUNCTION_INVOKER \ - BOOST_JOIN(function_invoker,BOOST_FUNCTION_NUM_ARGS) -#define BOOST_FUNCTION_VOID_FUNCTION_INVOKER \ - BOOST_JOIN(void_function_invoker,BOOST_FUNCTION_NUM_ARGS) -#define BOOST_FUNCTION_FUNCTION_OBJ_INVOKER \ - BOOST_JOIN(function_obj_invoker,BOOST_FUNCTION_NUM_ARGS) -#define BOOST_FUNCTION_VOID_FUNCTION_OBJ_INVOKER \ - BOOST_JOIN(void_function_obj_invoker,BOOST_FUNCTION_NUM_ARGS) -#define BOOST_FUNCTION_FUNCTION_REF_INVOKER \ - BOOST_JOIN(function_ref_invoker,BOOST_FUNCTION_NUM_ARGS) -#define BOOST_FUNCTION_VOID_FUNCTION_REF_INVOKER \ - BOOST_JOIN(void_function_ref_invoker,BOOST_FUNCTION_NUM_ARGS) -#define BOOST_FUNCTION_MEMBER_INVOKER \ - BOOST_JOIN(function_mem_invoker,BOOST_FUNCTION_NUM_ARGS) -#define BOOST_FUNCTION_VOID_MEMBER_INVOKER \ - BOOST_JOIN(function_void_mem_invoker,BOOST_FUNCTION_NUM_ARGS) -#define BOOST_FUNCTION_GET_FUNCTION_INVOKER \ - BOOST_JOIN(get_function_invoker,BOOST_FUNCTION_NUM_ARGS) -#define BOOST_FUNCTION_GET_FUNCTION_OBJ_INVOKER \ - BOOST_JOIN(get_function_obj_invoker,BOOST_FUNCTION_NUM_ARGS) -#define BOOST_FUNCTION_GET_FUNCTION_REF_INVOKER \ - BOOST_JOIN(get_function_ref_invoker,BOOST_FUNCTION_NUM_ARGS) -#define BOOST_FUNCTION_GET_MEMBER_INVOKER \ - BOOST_JOIN(get_member_invoker,BOOST_FUNCTION_NUM_ARGS) -#define BOOST_FUNCTION_GET_INVOKER \ - BOOST_JOIN(get_invoker,BOOST_FUNCTION_NUM_ARGS) -#define BOOST_FUNCTION_VTABLE BOOST_JOIN(basic_vtable,BOOST_FUNCTION_NUM_ARGS) - -#ifndef BOOST_NO_VOID_RETURNS -# define BOOST_FUNCTION_VOID_RETURN_TYPE void -# define BOOST_FUNCTION_RETURN(X) X -#else -# define BOOST_FUNCTION_VOID_RETURN_TYPE boost::detail::function::unusable -# define BOOST_FUNCTION_RETURN(X) X; return BOOST_FUNCTION_VOID_RETURN_TYPE () -#endif - -namespace boost { - namespace detail { - namespace function { - template< - typename FunctionPtr, - typename R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_PARMS - > - struct BOOST_FUNCTION_FUNCTION_INVOKER - { - static R invoke(function_buffer& function_ptr BOOST_FUNCTION_COMMA - BOOST_FUNCTION_PARMS) - { - FunctionPtr f = reinterpret_cast<FunctionPtr>(function_ptr.members.func_ptr); - return f(BOOST_FUNCTION_ARGS); - } - }; - - template< - typename FunctionPtr, - typename R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_PARMS - > - struct BOOST_FUNCTION_VOID_FUNCTION_INVOKER - { - static BOOST_FUNCTION_VOID_RETURN_TYPE - invoke(function_buffer& function_ptr BOOST_FUNCTION_COMMA - BOOST_FUNCTION_PARMS) - - { - FunctionPtr f = reinterpret_cast<FunctionPtr>(function_ptr.members.func_ptr); - BOOST_FUNCTION_RETURN(f(BOOST_FUNCTION_ARGS)); - } - }; - - template< - typename FunctionObj, - typename R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_PARMS - > - struct BOOST_FUNCTION_FUNCTION_OBJ_INVOKER - { - static R invoke(function_buffer& function_obj_ptr BOOST_FUNCTION_COMMA - BOOST_FUNCTION_PARMS) - - { - FunctionObj* f; - if (function_allows_small_object_optimization<FunctionObj>::value) - f = reinterpret_cast<FunctionObj*>(function_obj_ptr.data); - else - f = reinterpret_cast<FunctionObj*>(function_obj_ptr.members.obj_ptr); - return (*f)(BOOST_FUNCTION_ARGS); - } - }; - - template< - typename FunctionObj, - typename R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_PARMS - > - struct BOOST_FUNCTION_VOID_FUNCTION_OBJ_INVOKER - { - static BOOST_FUNCTION_VOID_RETURN_TYPE - invoke(function_buffer& function_obj_ptr BOOST_FUNCTION_COMMA - BOOST_FUNCTION_PARMS) - - { - FunctionObj* f; - if (function_allows_small_object_optimization<FunctionObj>::value) - f = reinterpret_cast<FunctionObj*>(function_obj_ptr.data); - else - f = reinterpret_cast<FunctionObj*>(function_obj_ptr.members.obj_ptr); - BOOST_FUNCTION_RETURN((*f)(BOOST_FUNCTION_ARGS)); - } - }; - - template< - typename FunctionObj, - typename R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_PARMS - > - struct BOOST_FUNCTION_FUNCTION_REF_INVOKER - { - static R invoke(function_buffer& function_obj_ptr BOOST_FUNCTION_COMMA - BOOST_FUNCTION_PARMS) - - { - FunctionObj* f = - reinterpret_cast<FunctionObj*>(function_obj_ptr.members.obj_ptr); - return (*f)(BOOST_FUNCTION_ARGS); - } - }; - - template< - typename FunctionObj, - typename R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_PARMS - > - struct BOOST_FUNCTION_VOID_FUNCTION_REF_INVOKER - { - static BOOST_FUNCTION_VOID_RETURN_TYPE - invoke(function_buffer& function_obj_ptr BOOST_FUNCTION_COMMA - BOOST_FUNCTION_PARMS) - - { - FunctionObj* f = - reinterpret_cast<FunctionObj*>(function_obj_ptr.members.obj_ptr); - BOOST_FUNCTION_RETURN((*f)(BOOST_FUNCTION_ARGS)); - } - }; - -#if BOOST_FUNCTION_NUM_ARGS > 0 - /* Handle invocation of member pointers. */ - template< - typename MemberPtr, - typename R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_PARMS - > - struct BOOST_FUNCTION_MEMBER_INVOKER - { - static R invoke(function_buffer& function_obj_ptr BOOST_FUNCTION_COMMA - BOOST_FUNCTION_PARMS) - - { - MemberPtr* f = - reinterpret_cast<MemberPtr*>(function_obj_ptr.data); - return boost::mem_fn(*f)(BOOST_FUNCTION_ARGS); - } - }; - - template< - typename MemberPtr, - typename R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_PARMS - > - struct BOOST_FUNCTION_VOID_MEMBER_INVOKER - { - static BOOST_FUNCTION_VOID_RETURN_TYPE - invoke(function_buffer& function_obj_ptr BOOST_FUNCTION_COMMA - BOOST_FUNCTION_PARMS) - - { - MemberPtr* f = - reinterpret_cast<MemberPtr*>(function_obj_ptr.data); - BOOST_FUNCTION_RETURN(boost::mem_fn(*f)(BOOST_FUNCTION_ARGS)); - } - }; -#endif - - template< - typename FunctionPtr, - typename R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_PARMS - > - struct BOOST_FUNCTION_GET_FUNCTION_INVOKER - { - typedef typename mpl::if_c<(is_void<R>::value), - BOOST_FUNCTION_VOID_FUNCTION_INVOKER< - FunctionPtr, - R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_ARGS - >, - BOOST_FUNCTION_FUNCTION_INVOKER< - FunctionPtr, - R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_ARGS - > - >::type type; - }; - - template< - typename FunctionObj, - typename R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_PARMS - > - struct BOOST_FUNCTION_GET_FUNCTION_OBJ_INVOKER - { - typedef typename mpl::if_c<(is_void<R>::value), - BOOST_FUNCTION_VOID_FUNCTION_OBJ_INVOKER< - FunctionObj, - R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_ARGS - >, - BOOST_FUNCTION_FUNCTION_OBJ_INVOKER< - FunctionObj, - R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_ARGS - > - >::type type; - }; - - template< - typename FunctionObj, - typename R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_PARMS - > - struct BOOST_FUNCTION_GET_FUNCTION_REF_INVOKER - { - typedef typename mpl::if_c<(is_void<R>::value), - BOOST_FUNCTION_VOID_FUNCTION_REF_INVOKER< - FunctionObj, - R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_ARGS - >, - BOOST_FUNCTION_FUNCTION_REF_INVOKER< - FunctionObj, - R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_ARGS - > - >::type type; - }; - -#if BOOST_FUNCTION_NUM_ARGS > 0 - /* Retrieve the appropriate invoker for a member pointer. */ - template< - typename MemberPtr, - typename R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_PARMS - > - struct BOOST_FUNCTION_GET_MEMBER_INVOKER - { - typedef typename mpl::if_c<(is_void<R>::value), - BOOST_FUNCTION_VOID_MEMBER_INVOKER< - MemberPtr, - R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_ARGS - >, - BOOST_FUNCTION_MEMBER_INVOKER< - MemberPtr, - R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_ARGS - > - >::type type; - }; -#endif - - /* Given the tag returned by get_function_tag, retrieve the - actual invoker that will be used for the given function - object. - - Each specialization contains an "apply" nested class template - that accepts the function object, return type, function - argument types, and allocator. The resulting "apply" class - contains two typedefs, "invoker_type" and "manager_type", - which correspond to the invoker and manager types. */ - template<typename Tag> - struct BOOST_FUNCTION_GET_INVOKER { }; - - /* Retrieve the invoker for a function pointer. */ - template<> - struct BOOST_FUNCTION_GET_INVOKER<function_ptr_tag> - { - template<typename FunctionPtr, - typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS> - struct apply - { - typedef typename BOOST_FUNCTION_GET_FUNCTION_INVOKER< - FunctionPtr, - R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_ARGS - >::type - invoker_type; - - typedef functor_manager<FunctionPtr> manager_type; - }; - - template<typename FunctionPtr, - typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS, - typename Allocator> - struct apply_a - { - typedef typename BOOST_FUNCTION_GET_FUNCTION_INVOKER< - FunctionPtr, - R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_ARGS - >::type - invoker_type; - - typedef functor_manager<FunctionPtr> manager_type; - }; - }; - -#if BOOST_FUNCTION_NUM_ARGS > 0 - /* Retrieve the invoker for a member pointer. */ - template<> - struct BOOST_FUNCTION_GET_INVOKER<member_ptr_tag> - { - template<typename MemberPtr, - typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS> - struct apply - { - typedef typename BOOST_FUNCTION_GET_MEMBER_INVOKER< - MemberPtr, - R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_ARGS - >::type - invoker_type; - - typedef functor_manager<MemberPtr> manager_type; - }; - - template<typename MemberPtr, - typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS, - typename Allocator> - struct apply_a - { - typedef typename BOOST_FUNCTION_GET_MEMBER_INVOKER< - MemberPtr, - R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_ARGS - >::type - invoker_type; - - typedef functor_manager<MemberPtr> manager_type; - }; - }; -#endif - - /* Retrieve the invoker for a function object. */ - template<> - struct BOOST_FUNCTION_GET_INVOKER<function_obj_tag> - { - template<typename FunctionObj, - typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS> - struct apply - { - typedef typename BOOST_FUNCTION_GET_FUNCTION_OBJ_INVOKER< - FunctionObj, - R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_ARGS - >::type - invoker_type; - - typedef functor_manager<FunctionObj> manager_type; - }; - - template<typename FunctionObj, - typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS, - typename Allocator> - struct apply_a - { - typedef typename BOOST_FUNCTION_GET_FUNCTION_OBJ_INVOKER< - FunctionObj, - R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_ARGS - >::type - invoker_type; - - typedef functor_manager_a<FunctionObj, Allocator> manager_type; - }; - }; - - /* Retrieve the invoker for a reference to a function object. */ - template<> - struct BOOST_FUNCTION_GET_INVOKER<function_obj_ref_tag> - { - template<typename RefWrapper, - typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS> - struct apply - { - typedef typename BOOST_FUNCTION_GET_FUNCTION_REF_INVOKER< - typename RefWrapper::type, - R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_ARGS - >::type - invoker_type; - - typedef reference_manager<typename RefWrapper::type> manager_type; - }; - - template<typename RefWrapper, - typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS, - typename Allocator> - struct apply_a - { - typedef typename BOOST_FUNCTION_GET_FUNCTION_REF_INVOKER< - typename RefWrapper::type, - R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_ARGS - >::type - invoker_type; - - typedef reference_manager<typename RefWrapper::type> manager_type; - }; - }; - - - /** - * vtable for a specific boost::function instance. This - * structure must be an aggregate so that we can use static - * initialization in boost::function's assign_to and assign_to_a - * members. It therefore cannot have any constructors, - * destructors, base classes, etc. - */ - template<typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS> - struct BOOST_FUNCTION_VTABLE - { -#ifndef BOOST_NO_VOID_RETURNS - typedef R result_type; -#else - typedef typename function_return_type<R>::type result_type; -#endif // BOOST_NO_VOID_RETURNS - - typedef result_type (*invoker_type)(function_buffer& - BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_ARGS); - - template<typename F> - bool assign_to(F f, function_buffer& functor) const - { - typedef typename get_function_tag<F>::type tag; - return assign_to(f, functor, tag()); - } - template<typename F,typename Allocator> - bool assign_to_a(F f, function_buffer& functor, Allocator a) const - { - typedef typename get_function_tag<F>::type tag; - return assign_to_a(f, functor, a, tag()); - } - - void clear(function_buffer& functor) const - { - if (base.manager) - base.manager(functor, functor, destroy_functor_tag); - } - - private: - // Function pointers - template<typename FunctionPtr> - bool - assign_to(FunctionPtr f, function_buffer& functor, function_ptr_tag) const - { - this->clear(functor); - if (f) { - // should be a reinterpret cast, but some compilers insist - // on giving cv-qualifiers to free functions - functor.members.func_ptr = reinterpret_cast<void (*)()>(f); - return true; - } else { - return false; - } - } - template<typename FunctionPtr,typename Allocator> - bool - assign_to_a(FunctionPtr f, function_buffer& functor, Allocator, function_ptr_tag) const - { - return assign_to(f,functor,function_ptr_tag()); - } - - // Member pointers -#if BOOST_FUNCTION_NUM_ARGS > 0 - template<typename MemberPtr> - bool assign_to(MemberPtr f, function_buffer& functor, member_ptr_tag) const - { - // DPG TBD: Add explicit support for member function - // objects, so we invoke through mem_fn() but we retain the - // right target_type() values. - if (f) { - this->assign_to(boost::mem_fn(f), functor); - return true; - } else { - return false; - } - } - template<typename MemberPtr,typename Allocator> - bool assign_to_a(MemberPtr f, function_buffer& functor, Allocator a, member_ptr_tag) const - { - // DPG TBD: Add explicit support for member function - // objects, so we invoke through mem_fn() but we retain the - // right target_type() values. - if (f) { - this->assign_to_a(boost::mem_fn(f), functor, a); - return true; - } else { - return false; - } - } -#endif // BOOST_FUNCTION_NUM_ARGS > 0 - - // Function objects - // Assign to a function object using the small object optimization - template<typename FunctionObj> - void - assign_functor(FunctionObj f, function_buffer& functor, mpl::true_) const - { - new (reinterpret_cast<void*>(functor.data)) FunctionObj(f); - } - template<typename FunctionObj,typename Allocator> - void - assign_functor_a(FunctionObj f, function_buffer& functor, Allocator, mpl::true_) const - { - assign_functor(f,functor,mpl::true_()); - } - - // Assign to a function object allocated on the heap. - template<typename FunctionObj> - void - assign_functor(FunctionObj f, function_buffer& functor, mpl::false_) const - { - functor.members.obj_ptr = new FunctionObj(f); - } - template<typename FunctionObj,typename Allocator> - void - assign_functor_a(FunctionObj f, function_buffer& functor, Allocator a, mpl::false_) const - { - typedef functor_wrapper<FunctionObj,Allocator> functor_wrapper_type; - typedef typename Allocator::template rebind<functor_wrapper_type>::other - wrapper_allocator_type; - typedef typename wrapper_allocator_type::pointer wrapper_allocator_pointer_type; - wrapper_allocator_type wrapper_allocator(a); - wrapper_allocator_pointer_type copy = wrapper_allocator.allocate(1); - wrapper_allocator.construct(copy, functor_wrapper_type(f,a)); - functor_wrapper_type* new_f = static_cast<functor_wrapper_type*>(copy); - functor.members.obj_ptr = new_f; - } - - template<typename FunctionObj> - bool - assign_to(FunctionObj f, function_buffer& functor, function_obj_tag) const - { - if (!boost::detail::function::has_empty_target(boost::addressof(f))) { - assign_functor(f, functor, - mpl::bool_<(function_allows_small_object_optimization<FunctionObj>::value)>()); - return true; - } else { - return false; - } - } - template<typename FunctionObj,typename Allocator> - bool - assign_to_a(FunctionObj f, function_buffer& functor, Allocator a, function_obj_tag) const - { - if (!boost::detail::function::has_empty_target(boost::addressof(f))) { - assign_functor_a(f, functor, a, - mpl::bool_<(function_allows_small_object_optimization<FunctionObj>::value)>()); - return true; - } else { - return false; - } - } - - // Reference to a function object - template<typename FunctionObj> - bool - assign_to(const reference_wrapper<FunctionObj>& f, - function_buffer& functor, function_obj_ref_tag) const - { - functor.members.obj_ref.obj_ptr = (void *)(f.get_pointer()); - functor.members.obj_ref.is_const_qualified = is_const<FunctionObj>::value; - functor.members.obj_ref.is_volatile_qualified = is_volatile<FunctionObj>::value; - return true; - } - template<typename FunctionObj,typename Allocator> - bool - assign_to_a(const reference_wrapper<FunctionObj>& f, - function_buffer& functor, Allocator, function_obj_ref_tag) const - { - return assign_to(f,functor,function_obj_ref_tag()); - } - - public: - vtable_base base; - invoker_type invoker; - }; - } // end namespace function - } // end namespace detail - - template< - typename R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_PARMS - > - class BOOST_FUNCTION_FUNCTION : public function_base - -#if BOOST_FUNCTION_NUM_ARGS == 1 - - , public std::unary_function<T0,R> - -#elif BOOST_FUNCTION_NUM_ARGS == 2 - - , public std::binary_function<T0,T1,R> - -#endif - - { - public: -#ifndef BOOST_NO_VOID_RETURNS - typedef R result_type; -#else - typedef typename boost::detail::function::function_return_type<R>::type - result_type; -#endif // BOOST_NO_VOID_RETURNS - - private: - typedef boost::detail::function::BOOST_FUNCTION_VTABLE< - R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_ARGS> - vtable_type; - - vtable_type* get_vtable() const { - return reinterpret_cast<vtable_type*>( - reinterpret_cast<std::size_t>(vtable) & ~static_cast<std::size_t>(0x01)); - } - - struct clear_type {}; - - public: - BOOST_STATIC_CONSTANT(int, args = BOOST_FUNCTION_NUM_ARGS); - - // add signature for boost::lambda - template<typename Args> - struct sig - { - typedef result_type type; - }; - -#if BOOST_FUNCTION_NUM_ARGS == 1 - typedef T0 argument_type; -#elif BOOST_FUNCTION_NUM_ARGS == 2 - typedef T0 first_argument_type; - typedef T1 second_argument_type; -#endif - - BOOST_STATIC_CONSTANT(int, arity = BOOST_FUNCTION_NUM_ARGS); - BOOST_FUNCTION_ARG_TYPES - - typedef BOOST_FUNCTION_FUNCTION self_type; - - BOOST_FUNCTION_FUNCTION() : function_base() { } - - // MSVC chokes if the following two constructors are collapsed into - // one with a default parameter. - template<typename Functor> - BOOST_FUNCTION_FUNCTION(Functor BOOST_FUNCTION_TARGET_FIX(const &) f -#ifndef BOOST_NO_SFINAE - ,typename boost::enable_if_c< - !(is_integral<Functor>::value), - int>::type = 0 -#endif // BOOST_NO_SFINAE - ) : - function_base() - { - this->assign_to(f); - } - template<typename Functor,typename Allocator> - BOOST_FUNCTION_FUNCTION(Functor BOOST_FUNCTION_TARGET_FIX(const &) f, Allocator a -#ifndef BOOST_NO_SFINAE - ,typename boost::enable_if_c< - !(is_integral<Functor>::value), - int>::type = 0 -#endif // BOOST_NO_SFINAE - ) : - function_base() - { - this->assign_to_a(f,a); - } - -#ifndef BOOST_NO_SFINAE - BOOST_FUNCTION_FUNCTION(clear_type*) : function_base() { } -#else - BOOST_FUNCTION_FUNCTION(int zero) : function_base() - { - BOOST_ASSERT(zero == 0); - } -#endif - - BOOST_FUNCTION_FUNCTION(const BOOST_FUNCTION_FUNCTION& f) : function_base() - { - this->assign_to_own(f); - } - -#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES - BOOST_FUNCTION_FUNCTION(BOOST_FUNCTION_FUNCTION&& f) : function_base() - { - this->move_assign(f); - } -#endif - - ~BOOST_FUNCTION_FUNCTION() { clear(); } - - result_type operator()(BOOST_FUNCTION_PARMS) const - { - if (this->empty()) - boost::throw_exception(bad_function_call()); - - return get_vtable()->invoker - (this->functor BOOST_FUNCTION_COMMA BOOST_FUNCTION_ARGS); - } - - // The distinction between when to use BOOST_FUNCTION_FUNCTION and - // when to use self_type is obnoxious. MSVC cannot handle self_type as - // the return type of these assignment operators, but Borland C++ cannot - // handle BOOST_FUNCTION_FUNCTION as the type of the temporary to - // construct. - template<typename Functor> -#ifndef BOOST_NO_SFINAE - typename boost::enable_if_c< - !(is_integral<Functor>::value), - BOOST_FUNCTION_FUNCTION&>::type -#else - BOOST_FUNCTION_FUNCTION& -#endif - operator=(Functor BOOST_FUNCTION_TARGET_FIX(const &) f) - { - this->clear(); - BOOST_TRY { - this->assign_to(f); - } BOOST_CATCH (...) { - vtable = 0; - BOOST_RETHROW; - } - BOOST_CATCH_END - return *this; - } - template<typename Functor,typename Allocator> - void assign(Functor BOOST_FUNCTION_TARGET_FIX(const &) f, Allocator a) - { - this->clear(); - BOOST_TRY{ - this->assign_to_a(f,a); - } BOOST_CATCH (...) { - vtable = 0; - BOOST_RETHROW; - } - BOOST_CATCH_END - } - -#ifndef BOOST_NO_SFINAE - BOOST_FUNCTION_FUNCTION& operator=(clear_type*) - { - this->clear(); - return *this; - } -#else - BOOST_FUNCTION_FUNCTION& operator=(int zero) - { - BOOST_ASSERT(zero == 0); - this->clear(); - return *this; - } -#endif - - // Assignment from another BOOST_FUNCTION_FUNCTION - BOOST_FUNCTION_FUNCTION& operator=(const BOOST_FUNCTION_FUNCTION& f) - { - if (&f == this) - return *this; - - this->clear(); - BOOST_TRY { - this->assign_to_own(f); - } BOOST_CATCH (...) { - vtable = 0; - BOOST_RETHROW; - } - BOOST_CATCH_END - return *this; - } - -#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES - // Move assignment from another BOOST_FUNCTION_FUNCTION - BOOST_FUNCTION_FUNCTION& operator=(BOOST_FUNCTION_FUNCTION&& f) - { - if (&f == this) - return *this; - - this->clear(); - BOOST_TRY { - this->move_assign(f); - } BOOST_CATCH (...) { - vtable = 0; - BOOST_RETHROW; - } - BOOST_CATCH_END - return *this; - } -#endif - - void swap(BOOST_FUNCTION_FUNCTION& other) - { - if (&other == this) - return; - - BOOST_FUNCTION_FUNCTION tmp; - tmp.move_assign(*this); - this->move_assign(other); - other.move_assign(tmp); - } - - // Clear out a target, if there is one - void clear() - { - if (vtable) { - if (!this->has_trivial_copy_and_destroy()) - get_vtable()->clear(this->functor); - vtable = 0; - } - } - -#if (defined __SUNPRO_CC) && (__SUNPRO_CC <= 0x530) && !(defined BOOST_NO_COMPILER_CONFIG) - // Sun C++ 5.3 can't handle the safe_bool idiom, so don't use it - operator bool () const { return !this->empty(); } -#else - private: - struct dummy { - void nonnull() {} - }; - - typedef void (dummy::*safe_bool)(); - - public: - operator safe_bool () const - { return (this->empty())? 0 : &dummy::nonnull; } - - bool operator!() const - { return this->empty(); } -#endif - - private: - void assign_to_own(const BOOST_FUNCTION_FUNCTION& f) - { - if (!f.empty()) { - this->vtable = f.vtable; - if (this->has_trivial_copy_and_destroy()) - this->functor = f.functor; - else - get_vtable()->base.manager(f.functor, this->functor, - boost::detail::function::clone_functor_tag); - } - } - - template<typename Functor> - void assign_to(Functor f) - { - using boost::detail::function::vtable_base; - - typedef typename boost::detail::function::get_function_tag<Functor>::type tag; - typedef boost::detail::function::BOOST_FUNCTION_GET_INVOKER<tag> get_invoker; - typedef typename get_invoker:: - template apply<Functor, R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_ARGS> - handler_type; - - typedef typename handler_type::invoker_type invoker_type; - typedef typename handler_type::manager_type manager_type; - - // Note: it is extremely important that this initialization use - // static initialization. Otherwise, we will have a race - // condition here in multi-threaded code. See - // http://thread.gmane.org/gmane.comp.lib.boost.devel/164902/. - static const vtable_type stored_vtable = - { { &manager_type::manage }, &invoker_type::invoke }; - - if (stored_vtable.assign_to(f, functor)) { - std::size_t value = reinterpret_cast<std::size_t>(&stored_vtable.base); - // coverity[pointless_expression]: suppress coverity warnings on apparant if(const). - if (boost::has_trivial_copy_constructor<Functor>::value && - boost::has_trivial_destructor<Functor>::value && - boost::detail::function::function_allows_small_object_optimization<Functor>::value) - value |= static_cast<std::size_t>(0x01); - vtable = reinterpret_cast<boost::detail::function::vtable_base *>(value); - } else - vtable = 0; - } - - template<typename Functor,typename Allocator> - void assign_to_a(Functor f,Allocator a) - { - using boost::detail::function::vtable_base; - - typedef typename boost::detail::function::get_function_tag<Functor>::type tag; - typedef boost::detail::function::BOOST_FUNCTION_GET_INVOKER<tag> get_invoker; - typedef typename get_invoker:: - template apply_a<Functor, R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_ARGS, - Allocator> - handler_type; - - typedef typename handler_type::invoker_type invoker_type; - typedef typename handler_type::manager_type manager_type; - - // Note: it is extremely important that this initialization use - // static initialization. Otherwise, we will have a race - // condition here in multi-threaded code. See - // http://thread.gmane.org/gmane.comp.lib.boost.devel/164902/. - static const vtable_type stored_vtable = - { { &manager_type::manage }, &invoker_type::invoke }; - - if (stored_vtable.assign_to_a(f, functor, a)) { - std::size_t value = reinterpret_cast<std::size_t>(&stored_vtable.base); - // coverity[pointless_expression]: suppress coverity warnings on apparant if(const). - if (boost::has_trivial_copy_constructor<Functor>::value && - boost::has_trivial_destructor<Functor>::value && - boost::detail::function::function_allows_small_object_optimization<Functor>::value) - value |= static_cast<std::size_t>(0x01); - vtable = reinterpret_cast<boost::detail::function::vtable_base *>(value); - } else - vtable = 0; - } - - // Moves the value from the specified argument to *this. If the argument - // has its function object allocated on the heap, move_assign will pass - // its buffer to *this, and set the argument's buffer pointer to NULL. - void move_assign(BOOST_FUNCTION_FUNCTION& f) - { - if (&f == this) - return; - - BOOST_TRY { - if (!f.empty()) { - this->vtable = f.vtable; - if (this->has_trivial_copy_and_destroy()) - this->functor = f.functor; - else - get_vtable()->base.manager(f.functor, this->functor, - boost::detail::function::move_functor_tag); - f.vtable = 0; - } else { - clear(); - } - } BOOST_CATCH (...) { - vtable = 0; - BOOST_RETHROW; - } - BOOST_CATCH_END - } - }; - - template<typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS> - inline void swap(BOOST_FUNCTION_FUNCTION< - R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_ARGS - >& f1, - BOOST_FUNCTION_FUNCTION< - R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_ARGS - >& f2) - { - f1.swap(f2); - } - -// Poison comparisons between boost::function objects of the same type. -template<typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS> - void operator==(const BOOST_FUNCTION_FUNCTION< - R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_ARGS>&, - const BOOST_FUNCTION_FUNCTION< - R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_ARGS>&); -template<typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS> - void operator!=(const BOOST_FUNCTION_FUNCTION< - R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_ARGS>&, - const BOOST_FUNCTION_FUNCTION< - R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_ARGS>& ); - -#if !defined(BOOST_FUNCTION_NO_FUNCTION_TYPE_SYNTAX) - -#if BOOST_FUNCTION_NUM_ARGS == 0 -#define BOOST_FUNCTION_PARTIAL_SPEC R (void) -#else -#define BOOST_FUNCTION_PARTIAL_SPEC R (BOOST_PP_ENUM_PARAMS(BOOST_FUNCTION_NUM_ARGS,T)) -#endif - -template<typename R BOOST_FUNCTION_COMMA - BOOST_FUNCTION_TEMPLATE_PARMS> -class function<BOOST_FUNCTION_PARTIAL_SPEC> - : public BOOST_FUNCTION_FUNCTION<R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_ARGS> -{ - typedef BOOST_FUNCTION_FUNCTION<R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_ARGS> base_type; - typedef function self_type; - - struct clear_type {}; - -public: - - function() : base_type() {} - - template<typename Functor> - function(Functor f -#ifndef BOOST_NO_SFINAE - ,typename boost::enable_if_c< - !(is_integral<Functor>::value), - int>::type = 0 -#endif - ) : - base_type(f) - { - } - template<typename Functor,typename Allocator> - function(Functor f, Allocator a -#ifndef BOOST_NO_SFINAE - ,typename boost::enable_if_c< - !(is_integral<Functor>::value), - int>::type = 0 -#endif - ) : - base_type(f,a) - { - } - -#ifndef BOOST_NO_SFINAE - function(clear_type*) : base_type() {} -#endif - - function(const self_type& f) : base_type(static_cast<const base_type&>(f)){} - - function(const base_type& f) : base_type(static_cast<const base_type&>(f)){} - -#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES - // Move constructors - function(self_type&& f): base_type(static_cast<base_type&&>(f)){} - function(base_type&& f): base_type(static_cast<base_type&&>(f)){} -#endif - - self_type& operator=(const self_type& f) - { - self_type(f).swap(*this); - return *this; - } - -#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES - self_type& operator=(self_type&& f) - { - self_type(static_cast<self_type&&>(f)).swap(*this); - return *this; - } -#endif - - template<typename Functor> -#ifndef BOOST_NO_SFINAE - typename boost::enable_if_c< - !(is_integral<Functor>::value), - self_type&>::type -#else - self_type& -#endif - operator=(Functor f) - { - self_type(f).swap(*this); - return *this; - } - -#ifndef BOOST_NO_SFINAE - self_type& operator=(clear_type*) - { - this->clear(); - return *this; - } -#endif - - self_type& operator=(const base_type& f) - { - self_type(f).swap(*this); - return *this; - } - -#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES - self_type& operator=(base_type&& f) - { - self_type(static_cast<base_type&&>(f)).swap(*this); - return *this; - } -#endif -}; - -#undef BOOST_FUNCTION_PARTIAL_SPEC -#endif // have partial specialization - -} // end namespace boost - -// Cleanup after ourselves... -#undef BOOST_FUNCTION_VTABLE -#undef BOOST_FUNCTION_COMMA -#undef BOOST_FUNCTION_FUNCTION -#undef BOOST_FUNCTION_FUNCTION_INVOKER -#undef BOOST_FUNCTION_VOID_FUNCTION_INVOKER -#undef BOOST_FUNCTION_FUNCTION_OBJ_INVOKER -#undef BOOST_FUNCTION_VOID_FUNCTION_OBJ_INVOKER -#undef BOOST_FUNCTION_FUNCTION_REF_INVOKER -#undef BOOST_FUNCTION_VOID_FUNCTION_REF_INVOKER -#undef BOOST_FUNCTION_MEMBER_INVOKER -#undef BOOST_FUNCTION_VOID_MEMBER_INVOKER -#undef BOOST_FUNCTION_GET_FUNCTION_INVOKER -#undef BOOST_FUNCTION_GET_FUNCTION_OBJ_INVOKER -#undef BOOST_FUNCTION_GET_FUNCTION_REF_INVOKER -#undef BOOST_FUNCTION_GET_MEM_FUNCTION_INVOKER -#undef BOOST_FUNCTION_GET_INVOKER -#undef BOOST_FUNCTION_TEMPLATE_PARMS -#undef BOOST_FUNCTION_TEMPLATE_ARGS -#undef BOOST_FUNCTION_PARMS -#undef BOOST_FUNCTION_PARM -#ifdef BOOST_FUNCTION_ARG -# undef BOOST_FUNCTION_ARG -#endif -#undef BOOST_FUNCTION_ARGS -#undef BOOST_FUNCTION_ARG_TYPE -#undef BOOST_FUNCTION_ARG_TYPES -#undef BOOST_FUNCTION_VOID_RETURN_TYPE -#undef BOOST_FUNCTION_RETURN - -#if defined(BOOST_MSVC) -# pragma warning( pop ) -#endif +// Boost.Function library
+
+// Copyright Douglas Gregor 2001-2006
+// Copyright Emil Dotchevski 2007
+// 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
+
+// Note: this header is a header template and must NOT have multiple-inclusion
+// protection.
+#include <boost/function/detail/prologue.hpp>
+#include <boost/detail/no_exceptions_support.hpp>
+
+#if defined(BOOST_MSVC)
+# pragma warning( push )
+# pragma warning( disable : 4127 ) // "conditional expression is constant"
+#endif
+
+#define BOOST_FUNCTION_TEMPLATE_PARMS BOOST_PP_ENUM_PARAMS(BOOST_FUNCTION_NUM_ARGS, typename T)
+
+#define BOOST_FUNCTION_TEMPLATE_ARGS BOOST_PP_ENUM_PARAMS(BOOST_FUNCTION_NUM_ARGS, T)
+
+#define BOOST_FUNCTION_PARM(J,I,D) BOOST_PP_CAT(T,I) BOOST_PP_CAT(a,I)
+
+#define BOOST_FUNCTION_PARMS BOOST_PP_ENUM(BOOST_FUNCTION_NUM_ARGS,BOOST_FUNCTION_PARM,BOOST_PP_EMPTY)
+
+#ifdef BOOST_NO_CXX11_RVALUE_REFERENCES
+# define BOOST_FUNCTION_ARGS BOOST_PP_ENUM_PARAMS(BOOST_FUNCTION_NUM_ARGS, a)
+#else
+# include <boost/move/utility_core.hpp>
+# define BOOST_FUNCTION_ARG(J,I,D) ::boost::forward< BOOST_PP_CAT(T,I) >(BOOST_PP_CAT(a,I))
+# define BOOST_FUNCTION_ARGS BOOST_PP_ENUM(BOOST_FUNCTION_NUM_ARGS,BOOST_FUNCTION_ARG,BOOST_PP_EMPTY)
+#endif
+
+#define BOOST_FUNCTION_ARG_TYPE(J,I,D) \
+ typedef BOOST_PP_CAT(T,I) BOOST_PP_CAT(BOOST_PP_CAT(arg, BOOST_PP_INC(I)),_type);
+
+#define BOOST_FUNCTION_ARG_TYPES BOOST_PP_REPEAT(BOOST_FUNCTION_NUM_ARGS,BOOST_FUNCTION_ARG_TYPE,BOOST_PP_EMPTY)
+
+// Comma if nonzero number of arguments
+#if BOOST_FUNCTION_NUM_ARGS == 0
+# define BOOST_FUNCTION_COMMA
+#else
+# define BOOST_FUNCTION_COMMA ,
+#endif // BOOST_FUNCTION_NUM_ARGS > 0
+
+// Class names used in this version of the code
+#define BOOST_FUNCTION_FUNCTION BOOST_JOIN(function,BOOST_FUNCTION_NUM_ARGS)
+#define BOOST_FUNCTION_FUNCTION_INVOKER \
+ BOOST_JOIN(function_invoker,BOOST_FUNCTION_NUM_ARGS)
+#define BOOST_FUNCTION_VOID_FUNCTION_INVOKER \
+ BOOST_JOIN(void_function_invoker,BOOST_FUNCTION_NUM_ARGS)
+#define BOOST_FUNCTION_FUNCTION_OBJ_INVOKER \
+ BOOST_JOIN(function_obj_invoker,BOOST_FUNCTION_NUM_ARGS)
+#define BOOST_FUNCTION_VOID_FUNCTION_OBJ_INVOKER \
+ BOOST_JOIN(void_function_obj_invoker,BOOST_FUNCTION_NUM_ARGS)
+#define BOOST_FUNCTION_FUNCTION_REF_INVOKER \
+ BOOST_JOIN(function_ref_invoker,BOOST_FUNCTION_NUM_ARGS)
+#define BOOST_FUNCTION_VOID_FUNCTION_REF_INVOKER \
+ BOOST_JOIN(void_function_ref_invoker,BOOST_FUNCTION_NUM_ARGS)
+#define BOOST_FUNCTION_MEMBER_INVOKER \
+ BOOST_JOIN(function_mem_invoker,BOOST_FUNCTION_NUM_ARGS)
+#define BOOST_FUNCTION_VOID_MEMBER_INVOKER \
+ BOOST_JOIN(function_void_mem_invoker,BOOST_FUNCTION_NUM_ARGS)
+#define BOOST_FUNCTION_GET_FUNCTION_INVOKER \
+ BOOST_JOIN(get_function_invoker,BOOST_FUNCTION_NUM_ARGS)
+#define BOOST_FUNCTION_GET_FUNCTION_OBJ_INVOKER \
+ BOOST_JOIN(get_function_obj_invoker,BOOST_FUNCTION_NUM_ARGS)
+#define BOOST_FUNCTION_GET_FUNCTION_REF_INVOKER \
+ BOOST_JOIN(get_function_ref_invoker,BOOST_FUNCTION_NUM_ARGS)
+#define BOOST_FUNCTION_GET_MEMBER_INVOKER \
+ BOOST_JOIN(get_member_invoker,BOOST_FUNCTION_NUM_ARGS)
+#define BOOST_FUNCTION_GET_INVOKER \
+ BOOST_JOIN(get_invoker,BOOST_FUNCTION_NUM_ARGS)
+#define BOOST_FUNCTION_VTABLE BOOST_JOIN(basic_vtable,BOOST_FUNCTION_NUM_ARGS)
+
+#ifndef BOOST_NO_VOID_RETURNS
+# define BOOST_FUNCTION_VOID_RETURN_TYPE void
+# define BOOST_FUNCTION_RETURN(X) X
+#else
+# define BOOST_FUNCTION_VOID_RETURN_TYPE boost::detail::function::unusable
+# define BOOST_FUNCTION_RETURN(X) X; return BOOST_FUNCTION_VOID_RETURN_TYPE ()
+#endif
+
+namespace boost {
+ namespace detail {
+ namespace function {
+ template<
+ typename FunctionPtr,
+ typename R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_PARMS
+ >
+ struct BOOST_FUNCTION_FUNCTION_INVOKER
+ {
+ static R invoke(function_buffer& function_ptr BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_PARMS)
+ {
+ FunctionPtr f = reinterpret_cast<FunctionPtr>(function_ptr.members.func_ptr);
+ return f(BOOST_FUNCTION_ARGS);
+ }
+ };
+
+ template<
+ typename FunctionPtr,
+ typename R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_PARMS
+ >
+ struct BOOST_FUNCTION_VOID_FUNCTION_INVOKER
+ {
+ static BOOST_FUNCTION_VOID_RETURN_TYPE
+ invoke(function_buffer& function_ptr BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_PARMS)
+
+ {
+ FunctionPtr f = reinterpret_cast<FunctionPtr>(function_ptr.members.func_ptr);
+ BOOST_FUNCTION_RETURN(f(BOOST_FUNCTION_ARGS));
+ }
+ };
+
+ template<
+ typename FunctionObj,
+ typename R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_PARMS
+ >
+ struct BOOST_FUNCTION_FUNCTION_OBJ_INVOKER
+ {
+ static R invoke(function_buffer& function_obj_ptr BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_PARMS)
+
+ {
+ FunctionObj* f;
+ if (function_allows_small_object_optimization<FunctionObj>::value)
+ f = reinterpret_cast<FunctionObj*>(function_obj_ptr.data);
+ else
+ f = reinterpret_cast<FunctionObj*>(function_obj_ptr.members.obj_ptr);
+ return (*f)(BOOST_FUNCTION_ARGS);
+ }
+ };
+
+ template<
+ typename FunctionObj,
+ typename R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_PARMS
+ >
+ struct BOOST_FUNCTION_VOID_FUNCTION_OBJ_INVOKER
+ {
+ static BOOST_FUNCTION_VOID_RETURN_TYPE
+ invoke(function_buffer& function_obj_ptr BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_PARMS)
+
+ {
+ FunctionObj* f;
+ if (function_allows_small_object_optimization<FunctionObj>::value)
+ f = reinterpret_cast<FunctionObj*>(function_obj_ptr.data);
+ else
+ f = reinterpret_cast<FunctionObj*>(function_obj_ptr.members.obj_ptr);
+ BOOST_FUNCTION_RETURN((*f)(BOOST_FUNCTION_ARGS));
+ }
+ };
+
+ template<
+ typename FunctionObj,
+ typename R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_PARMS
+ >
+ struct BOOST_FUNCTION_FUNCTION_REF_INVOKER
+ {
+ static R invoke(function_buffer& function_obj_ptr BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_PARMS)
+
+ {
+ FunctionObj* f =
+ reinterpret_cast<FunctionObj*>(function_obj_ptr.members.obj_ptr);
+ return (*f)(BOOST_FUNCTION_ARGS);
+ }
+ };
+
+ template<
+ typename FunctionObj,
+ typename R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_PARMS
+ >
+ struct BOOST_FUNCTION_VOID_FUNCTION_REF_INVOKER
+ {
+ static BOOST_FUNCTION_VOID_RETURN_TYPE
+ invoke(function_buffer& function_obj_ptr BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_PARMS)
+
+ {
+ FunctionObj* f =
+ reinterpret_cast<FunctionObj*>(function_obj_ptr.members.obj_ptr);
+ BOOST_FUNCTION_RETURN((*f)(BOOST_FUNCTION_ARGS));
+ }
+ };
+
+#if BOOST_FUNCTION_NUM_ARGS > 0
+ /* Handle invocation of member pointers. */
+ template<
+ typename MemberPtr,
+ typename R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_PARMS
+ >
+ struct BOOST_FUNCTION_MEMBER_INVOKER
+ {
+ static R invoke(function_buffer& function_obj_ptr BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_PARMS)
+
+ {
+ MemberPtr* f =
+ reinterpret_cast<MemberPtr*>(function_obj_ptr.data);
+ return boost::mem_fn(*f)(BOOST_FUNCTION_ARGS);
+ }
+ };
+
+ template<
+ typename MemberPtr,
+ typename R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_PARMS
+ >
+ struct BOOST_FUNCTION_VOID_MEMBER_INVOKER
+ {
+ static BOOST_FUNCTION_VOID_RETURN_TYPE
+ invoke(function_buffer& function_obj_ptr BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_PARMS)
+
+ {
+ MemberPtr* f =
+ reinterpret_cast<MemberPtr*>(function_obj_ptr.data);
+ BOOST_FUNCTION_RETURN(boost::mem_fn(*f)(BOOST_FUNCTION_ARGS));
+ }
+ };
+#endif
+
+ template<
+ typename FunctionPtr,
+ typename R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_PARMS
+ >
+ struct BOOST_FUNCTION_GET_FUNCTION_INVOKER
+ {
+ typedef typename mpl::if_c<(is_void<R>::value),
+ BOOST_FUNCTION_VOID_FUNCTION_INVOKER<
+ FunctionPtr,
+ R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_ARGS
+ >,
+ BOOST_FUNCTION_FUNCTION_INVOKER<
+ FunctionPtr,
+ R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_ARGS
+ >
+ >::type type;
+ };
+
+ template<
+ typename FunctionObj,
+ typename R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_PARMS
+ >
+ struct BOOST_FUNCTION_GET_FUNCTION_OBJ_INVOKER
+ {
+ typedef typename mpl::if_c<(is_void<R>::value),
+ BOOST_FUNCTION_VOID_FUNCTION_OBJ_INVOKER<
+ FunctionObj,
+ R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_ARGS
+ >,
+ BOOST_FUNCTION_FUNCTION_OBJ_INVOKER<
+ FunctionObj,
+ R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_ARGS
+ >
+ >::type type;
+ };
+
+ template<
+ typename FunctionObj,
+ typename R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_PARMS
+ >
+ struct BOOST_FUNCTION_GET_FUNCTION_REF_INVOKER
+ {
+ typedef typename mpl::if_c<(is_void<R>::value),
+ BOOST_FUNCTION_VOID_FUNCTION_REF_INVOKER<
+ FunctionObj,
+ R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_ARGS
+ >,
+ BOOST_FUNCTION_FUNCTION_REF_INVOKER<
+ FunctionObj,
+ R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_ARGS
+ >
+ >::type type;
+ };
+
+#if BOOST_FUNCTION_NUM_ARGS > 0
+ /* Retrieve the appropriate invoker for a member pointer. */
+ template<
+ typename MemberPtr,
+ typename R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_PARMS
+ >
+ struct BOOST_FUNCTION_GET_MEMBER_INVOKER
+ {
+ typedef typename mpl::if_c<(is_void<R>::value),
+ BOOST_FUNCTION_VOID_MEMBER_INVOKER<
+ MemberPtr,
+ R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_ARGS
+ >,
+ BOOST_FUNCTION_MEMBER_INVOKER<
+ MemberPtr,
+ R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_ARGS
+ >
+ >::type type;
+ };
+#endif
+
+ /* Given the tag returned by get_function_tag, retrieve the
+ actual invoker that will be used for the given function
+ object.
+
+ Each specialization contains an "apply" nested class template
+ that accepts the function object, return type, function
+ argument types, and allocator. The resulting "apply" class
+ contains two typedefs, "invoker_type" and "manager_type",
+ which correspond to the invoker and manager types. */
+ template<typename Tag>
+ struct BOOST_FUNCTION_GET_INVOKER { };
+
+ /* Retrieve the invoker for a function pointer. */
+ template<>
+ struct BOOST_FUNCTION_GET_INVOKER<function_ptr_tag>
+ {
+ template<typename FunctionPtr,
+ typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS>
+ struct apply
+ {
+ typedef typename BOOST_FUNCTION_GET_FUNCTION_INVOKER<
+ FunctionPtr,
+ R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_ARGS
+ >::type
+ invoker_type;
+
+ typedef functor_manager<FunctionPtr> manager_type;
+ };
+
+ template<typename FunctionPtr,
+ typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS,
+ typename Allocator>
+ struct apply_a
+ {
+ typedef typename BOOST_FUNCTION_GET_FUNCTION_INVOKER<
+ FunctionPtr,
+ R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_ARGS
+ >::type
+ invoker_type;
+
+ typedef functor_manager<FunctionPtr> manager_type;
+ };
+ };
+
+#if BOOST_FUNCTION_NUM_ARGS > 0
+ /* Retrieve the invoker for a member pointer. */
+ template<>
+ struct BOOST_FUNCTION_GET_INVOKER<member_ptr_tag>
+ {
+ template<typename MemberPtr,
+ typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS>
+ struct apply
+ {
+ typedef typename BOOST_FUNCTION_GET_MEMBER_INVOKER<
+ MemberPtr,
+ R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_ARGS
+ >::type
+ invoker_type;
+
+ typedef functor_manager<MemberPtr> manager_type;
+ };
+
+ template<typename MemberPtr,
+ typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS,
+ typename Allocator>
+ struct apply_a
+ {
+ typedef typename BOOST_FUNCTION_GET_MEMBER_INVOKER<
+ MemberPtr,
+ R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_ARGS
+ >::type
+ invoker_type;
+
+ typedef functor_manager<MemberPtr> manager_type;
+ };
+ };
+#endif
+
+ /* Retrieve the invoker for a function object. */
+ template<>
+ struct BOOST_FUNCTION_GET_INVOKER<function_obj_tag>
+ {
+ template<typename FunctionObj,
+ typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS>
+ struct apply
+ {
+ typedef typename BOOST_FUNCTION_GET_FUNCTION_OBJ_INVOKER<
+ FunctionObj,
+ R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_ARGS
+ >::type
+ invoker_type;
+
+ typedef functor_manager<FunctionObj> manager_type;
+ };
+
+ template<typename FunctionObj,
+ typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS,
+ typename Allocator>
+ struct apply_a
+ {
+ typedef typename BOOST_FUNCTION_GET_FUNCTION_OBJ_INVOKER<
+ FunctionObj,
+ R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_ARGS
+ >::type
+ invoker_type;
+
+ typedef functor_manager_a<FunctionObj, Allocator> manager_type;
+ };
+ };
+
+ /* Retrieve the invoker for a reference to a function object. */
+ template<>
+ struct BOOST_FUNCTION_GET_INVOKER<function_obj_ref_tag>
+ {
+ template<typename RefWrapper,
+ typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS>
+ struct apply
+ {
+ typedef typename BOOST_FUNCTION_GET_FUNCTION_REF_INVOKER<
+ typename RefWrapper::type,
+ R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_ARGS
+ >::type
+ invoker_type;
+
+ typedef reference_manager<typename RefWrapper::type> manager_type;
+ };
+
+ template<typename RefWrapper,
+ typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS,
+ typename Allocator>
+ struct apply_a
+ {
+ typedef typename BOOST_FUNCTION_GET_FUNCTION_REF_INVOKER<
+ typename RefWrapper::type,
+ R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_ARGS
+ >::type
+ invoker_type;
+
+ typedef reference_manager<typename RefWrapper::type> manager_type;
+ };
+ };
+
+
+ /**
+ * vtable for a specific boost::function instance. This
+ * structure must be an aggregate so that we can use static
+ * initialization in boost::function's assign_to and assign_to_a
+ * members. It therefore cannot have any constructors,
+ * destructors, base classes, etc.
+ */
+ template<typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS>
+ struct BOOST_FUNCTION_VTABLE
+ {
+#ifndef BOOST_NO_VOID_RETURNS
+ typedef R result_type;
+#else
+ typedef typename function_return_type<R>::type result_type;
+#endif // BOOST_NO_VOID_RETURNS
+
+ typedef result_type (*invoker_type)(function_buffer&
+ BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_ARGS);
+
+ template<typename F>
+ bool assign_to(F f, function_buffer& functor) const
+ {
+ typedef typename get_function_tag<F>::type tag;
+ return assign_to(f, functor, tag());
+ }
+ template<typename F,typename Allocator>
+ bool assign_to_a(F f, function_buffer& functor, Allocator a) const
+ {
+ typedef typename get_function_tag<F>::type tag;
+ return assign_to_a(f, functor, a, tag());
+ }
+
+ void clear(function_buffer& functor) const
+ {
+ if (base.manager)
+ base.manager(functor, functor, destroy_functor_tag);
+ }
+
+ private:
+ // Function pointers
+ template<typename FunctionPtr>
+ bool
+ assign_to(FunctionPtr f, function_buffer& functor, function_ptr_tag) const
+ {
+ this->clear(functor);
+ if (f) {
+ // should be a reinterpret cast, but some compilers insist
+ // on giving cv-qualifiers to free functions
+ functor.members.func_ptr = reinterpret_cast<void (*)()>(f);
+ return true;
+ } else {
+ return false;
+ }
+ }
+ template<typename FunctionPtr,typename Allocator>
+ bool
+ assign_to_a(FunctionPtr f, function_buffer& functor, Allocator, function_ptr_tag) const
+ {
+ return assign_to(f,functor,function_ptr_tag());
+ }
+
+ // Member pointers
+#if BOOST_FUNCTION_NUM_ARGS > 0
+ template<typename MemberPtr>
+ bool assign_to(MemberPtr f, function_buffer& functor, member_ptr_tag) const
+ {
+ // DPG TBD: Add explicit support for member function
+ // objects, so we invoke through mem_fn() but we retain the
+ // right target_type() values.
+ if (f) {
+ this->assign_to(boost::mem_fn(f), functor);
+ return true;
+ } else {
+ return false;
+ }
+ }
+ template<typename MemberPtr,typename Allocator>
+ bool assign_to_a(MemberPtr f, function_buffer& functor, Allocator a, member_ptr_tag) const
+ {
+ // DPG TBD: Add explicit support for member function
+ // objects, so we invoke through mem_fn() but we retain the
+ // right target_type() values.
+ if (f) {
+ this->assign_to_a(boost::mem_fn(f), functor, a);
+ return true;
+ } else {
+ return false;
+ }
+ }
+#endif // BOOST_FUNCTION_NUM_ARGS > 0
+
+ // Function objects
+ // Assign to a function object using the small object optimization
+ template<typename FunctionObj>
+ void
+ assign_functor(FunctionObj f, function_buffer& functor, mpl::true_) const
+ {
+ new (reinterpret_cast<void*>(functor.data)) FunctionObj(f);
+ }
+ template<typename FunctionObj,typename Allocator>
+ void
+ assign_functor_a(FunctionObj f, function_buffer& functor, Allocator, mpl::true_) const
+ {
+ assign_functor(f,functor,mpl::true_());
+ }
+
+ // Assign to a function object allocated on the heap.
+ template<typename FunctionObj>
+ void
+ assign_functor(FunctionObj f, function_buffer& functor, mpl::false_) const
+ {
+ functor.members.obj_ptr = new FunctionObj(f);
+ }
+ template<typename FunctionObj,typename Allocator>
+ void
+ assign_functor_a(FunctionObj f, function_buffer& functor, Allocator a, mpl::false_) const
+ {
+ typedef functor_wrapper<FunctionObj,Allocator> functor_wrapper_type;
+ typedef typename Allocator::template rebind<functor_wrapper_type>::other
+ wrapper_allocator_type;
+ typedef typename wrapper_allocator_type::pointer wrapper_allocator_pointer_type;
+ wrapper_allocator_type wrapper_allocator(a);
+ wrapper_allocator_pointer_type copy = wrapper_allocator.allocate(1);
+ wrapper_allocator.construct(copy, functor_wrapper_type(f,a));
+ functor_wrapper_type* new_f = static_cast<functor_wrapper_type*>(copy);
+ functor.members.obj_ptr = new_f;
+ }
+
+ template<typename FunctionObj>
+ bool
+ assign_to(FunctionObj f, function_buffer& functor, function_obj_tag) const
+ {
+ if (!boost::detail::function::has_empty_target(boost::addressof(f))) {
+ assign_functor(f, functor,
+ mpl::bool_<(function_allows_small_object_optimization<FunctionObj>::value)>());
+ return true;
+ } else {
+ return false;
+ }
+ }
+ template<typename FunctionObj,typename Allocator>
+ bool
+ assign_to_a(FunctionObj f, function_buffer& functor, Allocator a, function_obj_tag) const
+ {
+ if (!boost::detail::function::has_empty_target(boost::addressof(f))) {
+ assign_functor_a(f, functor, a,
+ mpl::bool_<(function_allows_small_object_optimization<FunctionObj>::value)>());
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+ // Reference to a function object
+ template<typename FunctionObj>
+ bool
+ assign_to(const reference_wrapper<FunctionObj>& f,
+ function_buffer& functor, function_obj_ref_tag) const
+ {
+ functor.members.obj_ref.obj_ptr = (void *)(f.get_pointer());
+ functor.members.obj_ref.is_const_qualified = is_const<FunctionObj>::value;
+ functor.members.obj_ref.is_volatile_qualified = is_volatile<FunctionObj>::value;
+ return true;
+ }
+ template<typename FunctionObj,typename Allocator>
+ bool
+ assign_to_a(const reference_wrapper<FunctionObj>& f,
+ function_buffer& functor, Allocator, function_obj_ref_tag) const
+ {
+ return assign_to(f,functor,function_obj_ref_tag());
+ }
+
+ public:
+ vtable_base base;
+ invoker_type invoker;
+ };
+ } // end namespace function
+ } // end namespace detail
+
+ template<
+ typename R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_PARMS
+ >
+ class BOOST_FUNCTION_FUNCTION : public function_base
+ {
+ public:
+#ifndef BOOST_NO_VOID_RETURNS
+ typedef R result_type;
+#else
+ typedef typename boost::detail::function::function_return_type<R>::type
+ result_type;
+#endif // BOOST_NO_VOID_RETURNS
+
+ private:
+ typedef boost::detail::function::BOOST_FUNCTION_VTABLE<
+ R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_ARGS>
+ vtable_type;
+
+ vtable_type* get_vtable() const {
+ return reinterpret_cast<vtable_type*>(
+ reinterpret_cast<std::size_t>(vtable) & ~static_cast<std::size_t>(0x01));
+ }
+
+ struct clear_type {};
+
+ public:
+ BOOST_STATIC_CONSTANT(int, args = BOOST_FUNCTION_NUM_ARGS);
+
+ // add signature for boost::lambda
+ template<typename Args>
+ struct sig
+ {
+ typedef result_type type;
+ };
+
+#if BOOST_FUNCTION_NUM_ARGS == 1
+ typedef T0 argument_type;
+#elif BOOST_FUNCTION_NUM_ARGS == 2
+ typedef T0 first_argument_type;
+ typedef T1 second_argument_type;
+#endif
+
+ BOOST_STATIC_CONSTANT(int, arity = BOOST_FUNCTION_NUM_ARGS);
+ BOOST_FUNCTION_ARG_TYPES
+
+ typedef BOOST_FUNCTION_FUNCTION self_type;
+
+ BOOST_FUNCTION_FUNCTION() : function_base() { }
+
+ // MSVC chokes if the following two constructors are collapsed into
+ // one with a default parameter.
+ template<typename Functor>
+ BOOST_FUNCTION_FUNCTION(Functor BOOST_FUNCTION_TARGET_FIX(const &) f
+#ifndef BOOST_NO_SFINAE
+ ,typename boost::enable_if_c<
+ !(is_integral<Functor>::value),
+ int>::type = 0
+#endif // BOOST_NO_SFINAE
+ ) :
+ function_base()
+ {
+ this->assign_to(f);
+ }
+ template<typename Functor,typename Allocator>
+ BOOST_FUNCTION_FUNCTION(Functor BOOST_FUNCTION_TARGET_FIX(const &) f, Allocator a
+#ifndef BOOST_NO_SFINAE
+ ,typename boost::enable_if_c<
+ !(is_integral<Functor>::value),
+ int>::type = 0
+#endif // BOOST_NO_SFINAE
+ ) :
+ function_base()
+ {
+ this->assign_to_a(f,a);
+ }
+
+#ifndef BOOST_NO_SFINAE
+ BOOST_FUNCTION_FUNCTION(clear_type*) : function_base() { }
+#else
+ BOOST_FUNCTION_FUNCTION(int zero) : function_base()
+ {
+ BOOST_ASSERT(zero == 0);
+ }
+#endif
+
+ BOOST_FUNCTION_FUNCTION(const BOOST_FUNCTION_FUNCTION& f) : function_base()
+ {
+ this->assign_to_own(f);
+ }
+
+#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
+ BOOST_FUNCTION_FUNCTION(BOOST_FUNCTION_FUNCTION&& f) : function_base()
+ {
+ this->move_assign(f);
+ }
+#endif
+
+ ~BOOST_FUNCTION_FUNCTION() { clear(); }
+
+ result_type operator()(BOOST_FUNCTION_PARMS) const
+ {
+ if (this->empty())
+ boost::throw_exception(bad_function_call());
+
+ return get_vtable()->invoker
+ (this->functor BOOST_FUNCTION_COMMA BOOST_FUNCTION_ARGS);
+ }
+
+ // The distinction between when to use BOOST_FUNCTION_FUNCTION and
+ // when to use self_type is obnoxious. MSVC cannot handle self_type as
+ // the return type of these assignment operators, but Borland C++ cannot
+ // handle BOOST_FUNCTION_FUNCTION as the type of the temporary to
+ // construct.
+ template<typename Functor>
+#ifndef BOOST_NO_SFINAE
+ typename boost::enable_if_c<
+ !(is_integral<Functor>::value),
+ BOOST_FUNCTION_FUNCTION&>::type
+#else
+ BOOST_FUNCTION_FUNCTION&
+#endif
+ operator=(Functor BOOST_FUNCTION_TARGET_FIX(const &) f)
+ {
+ this->clear();
+ BOOST_TRY {
+ this->assign_to(f);
+ } BOOST_CATCH (...) {
+ vtable = 0;
+ BOOST_RETHROW;
+ }
+ BOOST_CATCH_END
+ return *this;
+ }
+ template<typename Functor,typename Allocator>
+ void assign(Functor BOOST_FUNCTION_TARGET_FIX(const &) f, Allocator a)
+ {
+ this->clear();
+ BOOST_TRY{
+ this->assign_to_a(f,a);
+ } BOOST_CATCH (...) {
+ vtable = 0;
+ BOOST_RETHROW;
+ }
+ BOOST_CATCH_END
+ }
+
+#ifndef BOOST_NO_SFINAE
+ BOOST_FUNCTION_FUNCTION& operator=(clear_type*)
+ {
+ this->clear();
+ return *this;
+ }
+#else
+ BOOST_FUNCTION_FUNCTION& operator=(int zero)
+ {
+ BOOST_ASSERT(zero == 0);
+ this->clear();
+ return *this;
+ }
+#endif
+
+ // Assignment from another BOOST_FUNCTION_FUNCTION
+ BOOST_FUNCTION_FUNCTION& operator=(const BOOST_FUNCTION_FUNCTION& f)
+ {
+ if (&f == this)
+ return *this;
+
+ this->clear();
+ BOOST_TRY {
+ this->assign_to_own(f);
+ } BOOST_CATCH (...) {
+ vtable = 0;
+ BOOST_RETHROW;
+ }
+ BOOST_CATCH_END
+ return *this;
+ }
+
+#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
+ // Move assignment from another BOOST_FUNCTION_FUNCTION
+ BOOST_FUNCTION_FUNCTION& operator=(BOOST_FUNCTION_FUNCTION&& f)
+ {
+ if (&f == this)
+ return *this;
+
+ this->clear();
+ BOOST_TRY {
+ this->move_assign(f);
+ } BOOST_CATCH (...) {
+ vtable = 0;
+ BOOST_RETHROW;
+ }
+ BOOST_CATCH_END
+ return *this;
+ }
+#endif
+
+ void swap(BOOST_FUNCTION_FUNCTION& other)
+ {
+ if (&other == this)
+ return;
+
+ BOOST_FUNCTION_FUNCTION tmp;
+ tmp.move_assign(*this);
+ this->move_assign(other);
+ other.move_assign(tmp);
+ }
+
+ // Clear out a target, if there is one
+ void clear()
+ {
+ if (vtable) {
+ if (!this->has_trivial_copy_and_destroy())
+ get_vtable()->clear(this->functor);
+ vtable = 0;
+ }
+ }
+
+#if (defined __SUNPRO_CC) && (__SUNPRO_CC <= 0x530) && !(defined BOOST_NO_COMPILER_CONFIG)
+ // Sun C++ 5.3 can't handle the safe_bool idiom, so don't use it
+ operator bool () const { return !this->empty(); }
+#else
+ private:
+ struct dummy {
+ void nonnull() {}
+ };
+
+ typedef void (dummy::*safe_bool)();
+
+ public:
+ operator safe_bool () const
+ { return (this->empty())? 0 : &dummy::nonnull; }
+
+ bool operator!() const
+ { return this->empty(); }
+#endif
+
+ private:
+ void assign_to_own(const BOOST_FUNCTION_FUNCTION& f)
+ {
+ if (!f.empty()) {
+ this->vtable = f.vtable;
+ if (this->has_trivial_copy_and_destroy())
+ this->functor = f.functor;
+ else
+ get_vtable()->base.manager(f.functor, this->functor,
+ boost::detail::function::clone_functor_tag);
+ }
+ }
+
+ template<typename Functor>
+ void assign_to(Functor f)
+ {
+ using boost::detail::function::vtable_base;
+
+ typedef typename boost::detail::function::get_function_tag<Functor>::type tag;
+ typedef boost::detail::function::BOOST_FUNCTION_GET_INVOKER<tag> get_invoker;
+ typedef typename get_invoker::
+ template apply<Functor, R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_ARGS>
+ handler_type;
+
+ typedef typename handler_type::invoker_type invoker_type;
+ typedef typename handler_type::manager_type manager_type;
+
+ // Note: it is extremely important that this initialization use
+ // static initialization. Otherwise, we will have a race
+ // condition here in multi-threaded code. See
+ // http://thread.gmane.org/gmane.comp.lib.boost.devel/164902/.
+ static const vtable_type stored_vtable =
+ { { &manager_type::manage }, &invoker_type::invoke };
+
+ if (stored_vtable.assign_to(f, functor)) {
+ std::size_t value = reinterpret_cast<std::size_t>(&stored_vtable.base);
+ // coverity[pointless_expression]: suppress coverity warnings on apparant if(const).
+ if (boost::has_trivial_copy_constructor<Functor>::value &&
+ boost::has_trivial_destructor<Functor>::value &&
+ boost::detail::function::function_allows_small_object_optimization<Functor>::value)
+ value |= static_cast<std::size_t>(0x01);
+ vtable = reinterpret_cast<boost::detail::function::vtable_base *>(value);
+ } else
+ vtable = 0;
+ }
+
+ template<typename Functor,typename Allocator>
+ void assign_to_a(Functor f,Allocator a)
+ {
+ using boost::detail::function::vtable_base;
+
+ typedef typename boost::detail::function::get_function_tag<Functor>::type tag;
+ typedef boost::detail::function::BOOST_FUNCTION_GET_INVOKER<tag> get_invoker;
+ typedef typename get_invoker::
+ template apply_a<Functor, R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_ARGS,
+ Allocator>
+ handler_type;
+
+ typedef typename handler_type::invoker_type invoker_type;
+ typedef typename handler_type::manager_type manager_type;
+
+ // Note: it is extremely important that this initialization use
+ // static initialization. Otherwise, we will have a race
+ // condition here in multi-threaded code. See
+ // http://thread.gmane.org/gmane.comp.lib.boost.devel/164902/.
+ static const vtable_type stored_vtable =
+ { { &manager_type::manage }, &invoker_type::invoke };
+
+ if (stored_vtable.assign_to_a(f, functor, a)) {
+ std::size_t value = reinterpret_cast<std::size_t>(&stored_vtable.base);
+ // coverity[pointless_expression]: suppress coverity warnings on apparant if(const).
+ if (boost::has_trivial_copy_constructor<Functor>::value &&
+ boost::has_trivial_destructor<Functor>::value &&
+ boost::detail::function::function_allows_small_object_optimization<Functor>::value)
+ value |= static_cast<std::size_t>(0x01);
+ vtable = reinterpret_cast<boost::detail::function::vtable_base *>(value);
+ } else
+ vtable = 0;
+ }
+
+ // Moves the value from the specified argument to *this. If the argument
+ // has its function object allocated on the heap, move_assign will pass
+ // its buffer to *this, and set the argument's buffer pointer to NULL.
+ void move_assign(BOOST_FUNCTION_FUNCTION& f)
+ {
+ if (&f == this)
+ return;
+
+ BOOST_TRY {
+ if (!f.empty()) {
+ this->vtable = f.vtable;
+ if (this->has_trivial_copy_and_destroy())
+ this->functor = f.functor;
+ else
+ get_vtable()->base.manager(f.functor, this->functor,
+ boost::detail::function::move_functor_tag);
+ f.vtable = 0;
+ } else {
+ clear();
+ }
+ } BOOST_CATCH (...) {
+ vtable = 0;
+ BOOST_RETHROW;
+ }
+ BOOST_CATCH_END
+ }
+ };
+
+ template<typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS>
+ inline void swap(BOOST_FUNCTION_FUNCTION<
+ R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_ARGS
+ >& f1,
+ BOOST_FUNCTION_FUNCTION<
+ R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_ARGS
+ >& f2)
+ {
+ f1.swap(f2);
+ }
+
+// Poison comparisons between boost::function objects of the same type.
+template<typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS>
+ void operator==(const BOOST_FUNCTION_FUNCTION<
+ R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_ARGS>&,
+ const BOOST_FUNCTION_FUNCTION<
+ R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_ARGS>&);
+template<typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS>
+ void operator!=(const BOOST_FUNCTION_FUNCTION<
+ R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_ARGS>&,
+ const BOOST_FUNCTION_FUNCTION<
+ R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_ARGS>& );
+
+#if !defined(BOOST_FUNCTION_NO_FUNCTION_TYPE_SYNTAX)
+
+#if BOOST_FUNCTION_NUM_ARGS == 0
+#define BOOST_FUNCTION_PARTIAL_SPEC R (void)
+#else
+#define BOOST_FUNCTION_PARTIAL_SPEC R (BOOST_PP_ENUM_PARAMS(BOOST_FUNCTION_NUM_ARGS,T))
+#endif
+
+template<typename R BOOST_FUNCTION_COMMA
+ BOOST_FUNCTION_TEMPLATE_PARMS>
+class function<BOOST_FUNCTION_PARTIAL_SPEC>
+ : public BOOST_FUNCTION_FUNCTION<R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_ARGS>
+{
+ typedef BOOST_FUNCTION_FUNCTION<R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_ARGS> base_type;
+ typedef function self_type;
+
+ struct clear_type {};
+
+public:
+
+ function() : base_type() {}
+
+ template<typename Functor>
+ function(Functor f
+#ifndef BOOST_NO_SFINAE
+ ,typename boost::enable_if_c<
+ !(is_integral<Functor>::value),
+ int>::type = 0
+#endif
+ ) :
+ base_type(f)
+ {
+ }
+ template<typename Functor,typename Allocator>
+ function(Functor f, Allocator a
+#ifndef BOOST_NO_SFINAE
+ ,typename boost::enable_if_c<
+ !(is_integral<Functor>::value),
+ int>::type = 0
+#endif
+ ) :
+ base_type(f,a)
+ {
+ }
+
+#ifndef BOOST_NO_SFINAE
+ function(clear_type*) : base_type() {}
+#endif
+
+ function(const self_type& f) : base_type(static_cast<const base_type&>(f)){}
+
+ function(const base_type& f) : base_type(static_cast<const base_type&>(f)){}
+
+#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
+ // Move constructors
+ function(self_type&& f): base_type(static_cast<base_type&&>(f)){}
+ function(base_type&& f): base_type(static_cast<base_type&&>(f)){}
+#endif
+
+ self_type& operator=(const self_type& f)
+ {
+ self_type(f).swap(*this);
+ return *this;
+ }
+
+#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
+ self_type& operator=(self_type&& f)
+ {
+ self_type(static_cast<self_type&&>(f)).swap(*this);
+ return *this;
+ }
+#endif
+
+ template<typename Functor>
+#ifndef BOOST_NO_SFINAE
+ typename boost::enable_if_c<
+ !(is_integral<Functor>::value),
+ self_type&>::type
+#else
+ self_type&
+#endif
+ operator=(Functor f)
+ {
+ self_type(f).swap(*this);
+ return *this;
+ }
+
+#ifndef BOOST_NO_SFINAE
+ self_type& operator=(clear_type*)
+ {
+ this->clear();
+ return *this;
+ }
+#endif
+
+ self_type& operator=(const base_type& f)
+ {
+ self_type(f).swap(*this);
+ return *this;
+ }
+
+#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
+ self_type& operator=(base_type&& f)
+ {
+ self_type(static_cast<base_type&&>(f)).swap(*this);
+ return *this;
+ }
+#endif
+};
+
+#undef BOOST_FUNCTION_PARTIAL_SPEC
+#endif // have partial specialization
+
+} // end namespace boost
+
+// Cleanup after ourselves...
+#undef BOOST_FUNCTION_VTABLE
+#undef BOOST_FUNCTION_COMMA
+#undef BOOST_FUNCTION_FUNCTION
+#undef BOOST_FUNCTION_FUNCTION_INVOKER
+#undef BOOST_FUNCTION_VOID_FUNCTION_INVOKER
+#undef BOOST_FUNCTION_FUNCTION_OBJ_INVOKER
+#undef BOOST_FUNCTION_VOID_FUNCTION_OBJ_INVOKER
+#undef BOOST_FUNCTION_FUNCTION_REF_INVOKER
+#undef BOOST_FUNCTION_VOID_FUNCTION_REF_INVOKER
+#undef BOOST_FUNCTION_MEMBER_INVOKER
+#undef BOOST_FUNCTION_VOID_MEMBER_INVOKER
+#undef BOOST_FUNCTION_GET_FUNCTION_INVOKER
+#undef BOOST_FUNCTION_GET_FUNCTION_OBJ_INVOKER
+#undef BOOST_FUNCTION_GET_FUNCTION_REF_INVOKER
+#undef BOOST_FUNCTION_GET_MEM_FUNCTION_INVOKER
+#undef BOOST_FUNCTION_GET_INVOKER
+#undef BOOST_FUNCTION_TEMPLATE_PARMS
+#undef BOOST_FUNCTION_TEMPLATE_ARGS
+#undef BOOST_FUNCTION_PARMS
+#undef BOOST_FUNCTION_PARM
+#ifdef BOOST_FUNCTION_ARG
+# undef BOOST_FUNCTION_ARG
+#endif
+#undef BOOST_FUNCTION_ARGS
+#undef BOOST_FUNCTION_ARG_TYPE
+#undef BOOST_FUNCTION_ARG_TYPES
+#undef BOOST_FUNCTION_VOID_RETURN_TYPE
+#undef BOOST_FUNCTION_RETURN
+
+#if defined(BOOST_MSVC)
+# pragma warning( pop )
+#endif
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