From 558170582a5a6d7b7bd63e09a635bc10c31b06bb Mon Sep 17 00:00:00 2001
From: Dave Abrahams <dave@boostpro.com>
Date: Wed, 10 Apr 2002 09:41:52 +0000
Subject: [PATCH] Start using preprocessor library

[SVN r13427]
---
 include/boost/python/detail/preprocessor.hpp | 73 ++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 include/boost/python/detail/preprocessor.hpp

diff --git a/include/boost/python/detail/preprocessor.hpp b/include/boost/python/detail/preprocessor.hpp
new file mode 100644
index 00000000..58df4f40
--- /dev/null
+++ b/include/boost/python/detail/preprocessor.hpp
@@ -0,0 +1,73 @@
+// Copyright David Abrahams 2002. Permission to copy, use,
+// modify, sell and distribute this software is granted provided this
+// copyright notice appears in all copies. This software is provided
+// "as is" without express or implied warranty, and with no claim as
+// to its suitability for any purpose.
+#ifndef PREPROCESSOR_DWA200247_HPP
+# define PREPROCESSOR_DWA200247_HPP
+
+# include <boost/config.hpp>
+# include <boost/preprocessor/tuple/to_list.hpp>
+# include <boost/preprocessor/repeat_from_to_2nd.hpp>
+# include <boost/preprocessor/inc.hpp>
+# include <boost/preprocessor/empty.hpp>
+
+namespace boost { namespace python { namespace detail { 
+
+# define BOOST_PYTHON_CONST() const
+# define BOOST_PYTHON_VOLATILE() volatile
+# define BOOST_PYTHON_CONST_VOLATILE() const volatile
+
+# if !defined(__MWERKS__) || __MWERKS__ > 0x2407
+#  define BOOST_PYTHON_MEMBER_FUNCTION_CV \
+     BOOST_PP_TUPLE_TO_LIST(4, (BOOST_PP_EMPTY \
+                                 , BOOST_PYTHON_CONST \
+                                 , BOOST_PYTHON_VOLATILE \
+                                 , BOOST_PYTHON_CONST_VOLATILE))
+# else
+#  define BOOST_PYTHON_MEMBER_FUNCTION_CV \
+     BOOST_PP_TUPLE_TO_LIST(1, (BOOST_PP_EMPTY))
+# endif 
+
+#ifndef BOOST_PYTHON_DEBUGGABLE_ARITY
+# define BOOST_PYTHON_DEBUGGABLE_ARITY 10
+#endif 
+
+#ifndef BOOST_PYTHON_MAX_ARITY
+# if !defined(__EDG_VERSION__) || __EDG_VERSION__ > 245
+// Generate at least two more arguments just to test the syntax
+#  define BOOST_PYTHON_MAX_ARITY 12
+# else
+// Current EDG compilers have a really slow preprocessor which makes
+// it important not to generate new functions with it unless
+// absolutely neccessary
+#  define BOOST_PYTHON_MAX_ARITY BOOST_PYTHON_DEBUGGABLE_ARITY
+# endif 
+#endif 
+
+#ifdef BOOST_PYTHON_GENERATE_CODE
+# undef BOOST_STATIC_CONSTANT
+# define BOOST_PYTHON_ARITY_START 0
+# define BOOST_PYTHON_ARITY_FINISH BOOST_PYTHON_DEBUGGABLE_ARITY
+# define BOOST_PYTHON_MF_ARITY_START 1
+# define BOOST_PYTHON_MF_ARITY_FINISH BOOST_PP_INC(BOOST_PYTHON_DEBUGGABLE_ARITY)
+#else
+# define BOOST_PYTHON_ARITY_START BOOST_PYTHON_DEBUGGABLE_ARITY
+# define BOOST_PYTHON_ARITY_FINISH BOOST_PYTHON_MAX_ARITY
+# define BOOST_PYTHON_MF_ARITY_START BOOST_PP_INC(BOOST_PYTHON_DEBUGGABLE_ARITY)
+# define BOOST_PYTHON_MF_ARITY_FINISH BOOST_PP_INC(BOOST_PYTHON_MAX_ARITY)
+#endif 
+
+# define BOOST_PYTHON_PF(Count)         R(*)(BOOST_MPL_TEMPLATE_PARAMETERS(0,Count,A))
+# define BOOST_PYTHON_PMF(Count, cv)    R(A0::*)(BOOST_MPL_TEMPLATE_PARAMETERS(1,Count,A))cv()
+
+# define BOOST_PYTHON_REPEAT_ARITY_2ND(function,data) \
+    BOOST_PP_REPEAT_FROM_TO_2ND(BOOST_PYTHON_ARITY_START, BOOST_PYTHON_ARITY_FINISH, function, data)
+
+# define BOOST_PYTHON_REPEAT_MF_ARITY_2ND(function,data) \
+    BOOST_PP_REPEAT_FROM_TO_2ND(BOOST_PYTHON_MF_ARITY_START, BOOST_PYTHON_MF_ARITY_FINISH, function, data)
+
+
+}}} // namespace boost::python::detail
+
+#endif // PREPROCESSOR_DWA200247_HPP