source: NonGTP/Boost/boost/wave/grammars/cpp_defined_grammar_gen.hpp @ 857

Revision 857, 2.5 KB checked in by igarcia, 19 years ago (diff)
Line 
1/*=============================================================================
2    Boost.Wave: A Standard compliant C++ preprocessor library
3
4    http://www.boost.org/
5
6    Copyright (c) 2001-2005 Hartmut Kaiser. Distributed under the Boost
7    Software License, Version 1.0. (See accompanying file
8    LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
9=============================================================================*/
10
11#if !defined(CPP_DEFINED_GRAMMAR_GEN_HPP_825BE9F5_98A3_400D_A97C_AD76B3B08632_INCLUDED)
12#define CPP_DEFINED_GRAMMAR_GEN_HPP_825BE9F5_98A3_400D_A97C_AD76B3B08632_INCLUDED
13
14#include <list>
15
16#include <boost/spirit/core/parser.hpp>
17#include <boost/pool/pool_alloc.hpp>
18
19#include <boost/wave/util/unput_queue_iterator.hpp>
20
21///////////////////////////////////////////////////////////////////////////////
22namespace boost {
23namespace wave {
24namespace grammars {
25
26template <typename LexIteratorT>
27struct defined_grammar_gen
28{
29    typedef typename LexIteratorT::token_type token_type;
30    typedef std::list<token_type, boost::fast_pool_allocator<token_type> >
31        token_sequence_type;
32
33//  The parse_operator_define function is instantiated manually twice to
34//  simplify the explicit specialization of this template. This way the user
35//  has only to specify one template parameter (the lexer iterator type) to
36//  correctly formulate the required explicit specialization.
37//  This results in no code overhead, because otherwise the function would be
38//  generated by the compiler twice anyway.
39
40    typedef boost::wave::util::unput_queue_iterator<
41            typename token_sequence_type::iterator, token_type, token_sequence_type>
42        iterator1_t;
43
44    typedef boost::wave::util::unput_queue_iterator<
45            LexIteratorT, token_type, token_sequence_type>
46        iterator2_t;
47       
48//  parse the operator defined and return the found qualified name
49    static boost::spirit::parse_info<iterator1_t>
50    parse_operator_defined (iterator1_t const &first, iterator1_t const &last,
51        token_sequence_type &found_qualified_name);
52
53    static boost::spirit::parse_info<iterator2_t>
54    parse_operator_defined (iterator2_t const &first, iterator2_t const &last,
55        token_sequence_type &found_qualified_name);
56};
57
58///////////////////////////////////////////////////////////////////////////////
59}   // namespace grammars
60}   // namespace wave
61}   // namespace boost
62
63#endif // !defined(CPP_DEFINED_GRAMMAR_GEN_HPP_825BE9F5_98A3_400D_A97C_AD76B3B08632_INCLUDED)
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