Added boost header

test/external/boost/wave/grammars/cpp_expression_grammar_gen.hpp

@@ -0,0 +1,75 @@
+/*=============================================================================
+    Boost.Wave: A Standard compliant C++ preprocessor library
+
+    http://www.boost.org/
+
+    Copyright (c) 2001-2011 Hartmut Kaiser. Distributed under the Boost
+    Software License, Version 1.0. (See accompanying file
+    LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+=============================================================================*/
+
+#if !defined(CPP_EXPRESSION_GRAMMAR_GEN_HPP_42399258_6CDC_4101_863D_5C7D95B5A6CA_INCLUDED)
+#define CPP_EXPRESSION_GRAMMAR_GEN_HPP_42399258_6CDC_4101_863D_5C7D95B5A6CA_INCLUDED
+
+#include <boost/wave/wave_config.hpp>
+#include <boost/wave/cpp_iteration_context.hpp>
+#include <boost/wave/grammars/cpp_value_error.hpp>
+
+#include <list>
+#include <boost/pool/pool_alloc.hpp>
+
+// this must occur after all of the includes and before any code appears
+#ifdef BOOST_HAS_ABI_HEADERS
+#include BOOST_ABI_PREFIX
+#endif
+
+// suppress warnings about dependent classes not being exported from the dll
+#ifdef BOOST_MSVC
+#pragma warning(push)
+#pragma warning(disable : 4251 4231 4660)
+#endif
+
+///////////////////////////////////////////////////////////////////////////////
+namespace boost {
+namespace wave {
+namespace grammars {
+
+///////////////////////////////////////////////////////////////////////////////
+//  
+//  expression_grammar_gen template class
+//
+//      This template helps separating the compilation of the 
+//      expression_grammar class from the compilation of the main 
+//      pp_iterator. This is done to safe compilation time.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+template <typename TokenT>
+struct BOOST_WAVE_DECL expression_grammar_gen {
+
+    typedef TokenT token_type;
+    typedef std::list<token_type, boost::fast_pool_allocator<token_type> >
+        token_sequence_type;
+
+    static bool evaluate(
+        typename token_sequence_type::const_iterator const &first, 
+        typename token_sequence_type::const_iterator const &last, 
+        typename token_type::position_type const &tok,
+        bool if_block_status, value_error &status);
+};
+
+///////////////////////////////////////////////////////////////////////////////
+}   //  namespace grammars
+}   //  namespace wave 
+}   //  namespace boost
+
+#ifdef BOOST_MSVC
+#pragma warning(pop)
+#endif
+
+// the suffix header occurs after all of the code
+#ifdef BOOST_HAS_ABI_HEADERS
+#include BOOST_ABI_SUFFIX
+#endif
+
+#endif // !defined(CPP_EXPRESSION_GRAMMAR_GEN_HPP_42399258_6CDC_4101_863D_5C7D95B5A6CA_INCLUDED)