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/*=============================================================================
A Standard compliant C++ preprocessor
http://www.boost.org/
Copyright (c) 2001-2005 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_PREDEF_MACROS_GEN_HPP_CADB6D2C_76A4_4988_83E1_EFFC6902B9A2_INCLUDED)
#define CPP_PREDEF_MACROS_GEN_HPP_CADB6D2C_76A4_4988_83E1_EFFC6902B9A2_INCLUDED
#include <boost/spirit/tree/parse_tree.hpp>
#include <boost/wave/wave_config.hpp>
///////////////////////////////////////////////////////////////////////////////
namespace boost {
namespace wave {
namespace grammars {
///////////////////////////////////////////////////////////////////////////////
//
// store parser_id's of all rules of the predefined_macros_grammar here
// for later access
//
///////////////////////////////////////////////////////////////////////////////
struct predefined_macros_grammar_rule_ids {
std::size_t plain_define_id; // #define
std::size_t macro_parameters_id;
std::size_t macro_definition_id;
};
///////////////////////////////////////////////////////////////////////////////
//
// predefined_macros_grammar_gen template class
//
// This template helps separating the compilation of the
// predefined_macros_grammar class from the compilation of the
// main pp_iterator. This is done to safe compilation time.
//
// This class helps parsing command line given macro definitions in a
// similar way, as macros are parsed by the cpp_grammar class.
//
///////////////////////////////////////////////////////////////////////////////
template <typename LexIteratorT>
struct predefined_macros_grammar_gen
{
typedef LexIteratorT iterator_type;
// the parser_id's of all rules of the cpp_grammar are stored here
// note: these are valid only after the first call to parse_cpp_grammar
static predefined_macros_grammar_rule_ids rule_ids;
// parse the cpp_grammar and return the resulting parse tree
static boost::spirit::tree_parse_info<iterator_type>
parse_predefined_macro (iterator_type const &first, iterator_type const &last);
};
///////////////////////////////////////////////////////////////////////////////
// definitions of the static members
template <typename LexIteratorT>
predefined_macros_grammar_rule_ids
predefined_macros_grammar_gen<LexIteratorT>::rule_ids;
///////////////////////////////////////////////////////////////////////////////
} // namespace grammars
} // namespace wave
} // namespace boost
#endif // !defined(CPP_PREDEF_MACROS_GEN_HPP_CADB6D2C_76A4_4988_83E1_EFFC6902B9A2_INCLUDED)