| /*============================================================================= |
| Boost.Wave: A Standard compliant C++ preprocessor library |
| |
| http://www.boost.org/ |
| |
| Copyright (c) 2001-2010 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_DEFINED_GRAMMAR_HPP_F48287B2_DC67_40A8_B4A1_800EFBD67869_INCLUDED) |
| #define CPP_DEFINED_GRAMMAR_HPP_F48287B2_DC67_40A8_B4A1_800EFBD67869_INCLUDED |
| |
| #include <boost/wave/wave_config.hpp> |
| |
| #include <boost/assert.hpp> |
| #include <boost/spirit/include/classic_core.hpp> |
| #include <boost/spirit/include/classic_closure.hpp> |
| #include <boost/spirit/include/classic_assign_actor.hpp> |
| #include <boost/spirit/include/classic_push_back_actor.hpp> |
| |
| #include <boost/wave/token_ids.hpp> |
| #include <boost/wave/util/pattern_parser.hpp> |
| #include <boost/wave/grammars/cpp_defined_grammar_gen.hpp> |
| |
| #if !defined(spirit_append_actor) |
| #define spirit_append_actor(actor) boost::spirit::classic::push_back_a(actor) |
| #define spirit_assign_actor(actor) boost::spirit::classic::assign_a(actor) |
| #endif // !defined(spirit_append_actor) |
| |
| // this must occur after all of the includes and before any code appears |
| #ifdef BOOST_HAS_ABI_HEADERS |
| #include BOOST_ABI_PREFIX |
| #endif |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| namespace boost { |
| namespace wave { |
| namespace grammars { |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // define, whether the rule's should generate some debug output |
| #define TRACE_CPP_DEFINED_GRAMMAR \ |
| bool(BOOST_SPIRIT_DEBUG_FLAGS_CPP & BOOST_SPIRIT_DEBUG_FLAGS_DEFINED_GRAMMAR) \ |
| /**/ |
| |
| template <typename ContainerT> |
| struct defined_grammar : |
| public boost::spirit::classic::grammar<defined_grammar<ContainerT> > |
| { |
| defined_grammar(ContainerT &result_seq_) |
| : result_seq(result_seq_) |
| { |
| BOOST_SPIRIT_DEBUG_TRACE_GRAMMAR_NAME(*this, "defined_grammar", |
| TRACE_CPP_DEFINED_GRAMMAR); |
| } |
| |
| template <typename ScannerT> |
| struct definition |
| { |
| typedef boost::spirit::classic::rule<ScannerT> rule_t; |
| |
| rule_t defined_op; |
| rule_t identifier; |
| |
| definition(defined_grammar const &self) |
| { |
| using namespace boost::spirit::classic; |
| using namespace boost::wave; |
| using namespace boost::wave::util; |
| |
| defined_op // parens not required, see C++ standard 16.1.1 |
| = ch_p(T_IDENTIFIER) // token contains 'defined' |
| >> ( |
| ( ch_p(T_LEFTPAREN) |
| >> identifier |
| >> ch_p(T_RIGHTPAREN) |
| ) |
| | identifier |
| ) |
| ; |
| |
| identifier |
| = ch_p(T_IDENTIFIER) |
| [ |
| spirit_append_actor(self.result_seq) |
| ] |
| | pattern_p(KeywordTokenType, TokenTypeMask|PPTokenFlag) |
| [ |
| spirit_append_actor(self.result_seq) |
| ] |
| | pattern_p(OperatorTokenType|AltExtTokenType, |
| ExtTokenTypeMask|PPTokenFlag) |
| [ |
| spirit_append_actor(self.result_seq) |
| ] |
| | pattern_p(BoolLiteralTokenType, TokenTypeMask|PPTokenFlag) |
| [ |
| spirit_append_actor(self.result_seq) |
| ] |
| ; |
| |
| BOOST_SPIRIT_DEBUG_TRACE_RULE(defined_op, TRACE_CPP_DEFINED_GRAMMAR); |
| BOOST_SPIRIT_DEBUG_TRACE_RULE(identifier, TRACE_CPP_DEFINED_GRAMMAR); |
| } |
| |
| // start rule of this grammar |
| rule_t const& start() const |
| { return defined_op; } |
| }; |
| |
| ContainerT &result_seq; |
| }; |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| #undef TRACE_CPP_DEFINED_GRAMMAR |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // |
| // The following parse function is defined here, to allow the separation of |
| // the compilation of the defined_grammar from the function |
| // using it. |
| // |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| #if BOOST_WAVE_SEPARATE_GRAMMAR_INSTANTIATION != 0 |
| #define BOOST_WAVE_DEFINED_GRAMMAR_GEN_INLINE |
| #else |
| #define BOOST_WAVE_DEFINED_GRAMMAR_GEN_INLINE inline |
| #endif |
| |
| // The parse_operator_define function is instantiated manually twice to |
| // simplify the explicit specialization of this template. This way the user |
| // has only to specify one template parameter (the lexer type) to correctly |
| // formulate the required explicit specialization. |
| // This results in no code overhead, because otherwise the function would be |
| // generated by the compiler twice anyway. |
| |
| template <typename LexIteratorT> |
| BOOST_WAVE_DEFINED_GRAMMAR_GEN_INLINE |
| boost::spirit::classic::parse_info< |
| typename defined_grammar_gen<LexIteratorT>::iterator1_type |
| > |
| defined_grammar_gen<LexIteratorT>::parse_operator_defined ( |
| iterator1_type const &first, iterator1_type const &last, |
| token_sequence_type &found_qualified_name) |
| { |
| using namespace boost::spirit::classic; |
| using namespace boost::wave; |
| |
| defined_grammar<token_sequence_type> g(found_qualified_name); |
| return boost::spirit::classic::parse ( |
| first, last, g, ch_p(T_SPACE) | ch_p(T_CCOMMENT)); |
| } |
| |
| template <typename LexIteratorT> |
| BOOST_WAVE_DEFINED_GRAMMAR_GEN_INLINE |
| boost::spirit::classic::parse_info< |
| typename defined_grammar_gen<LexIteratorT>::iterator2_type |
| > |
| defined_grammar_gen<LexIteratorT>::parse_operator_defined ( |
| iterator2_type const &first, iterator2_type const &last, |
| token_sequence_type &found_qualified_name) |
| { |
| using namespace boost::spirit::classic; |
| using namespace boost::wave; |
| |
| defined_grammar<token_sequence_type> g(found_qualified_name); |
| return boost::spirit::classic::parse ( |
| first, last, g, ch_p(T_SPACE) | ch_p(T_CCOMMENT)); |
| } |
| |
| #undef BOOST_WAVE_DEFINED_GRAMMAR_GEN_INLINE |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| } // namespace grammars |
| } // namespace wave |
| } // namespace boost |
| |
| // the suffix header occurs after all of the code |
| #ifdef BOOST_HAS_ABI_HEADERS |
| #include BOOST_ABI_SUFFIX |
| #endif |
| |
| #endif // !defined(CPP_DEFINED_GRAMMAR_HPP_F48287B2_DC67_40A8_B4A1_800EFBD67869_INCLUDED) |