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185 lines
6.5 KiB
185 lines
6.5 KiB
/*============================================================================= |
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Boost.Wave: A Standard compliant C++ preprocessor library |
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http://www.boost.org/ |
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Copyright (c) 2001-2011 Hartmut Kaiser. Distributed under the Boost |
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Software License, Version 1.0. (See accompanying file |
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LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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=============================================================================*/ |
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#if !defined(CPP_DEFINED_GRAMMAR_HPP_F48287B2_DC67_40A8_B4A1_800EFBD67869_INCLUDED) |
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#define CPP_DEFINED_GRAMMAR_HPP_F48287B2_DC67_40A8_B4A1_800EFBD67869_INCLUDED |
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#include <boost/wave/wave_config.hpp> |
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#include <boost/assert.hpp> |
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#include <boost/spirit/include/classic_core.hpp> |
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#include <boost/spirit/include/classic_closure.hpp> |
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#include <boost/spirit/include/classic_assign_actor.hpp> |
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#include <boost/spirit/include/classic_push_back_actor.hpp> |
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#include <boost/wave/token_ids.hpp> |
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#include <boost/wave/util/pattern_parser.hpp> |
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#include <boost/wave/grammars/cpp_defined_grammar_gen.hpp> |
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#if !defined(spirit_append_actor) |
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#define spirit_append_actor(actor) boost::spirit::classic::push_back_a(actor) |
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#define spirit_assign_actor(actor) boost::spirit::classic::assign_a(actor) |
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#endif // !defined(spirit_append_actor) |
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// this must occur after all of the includes and before any code appears |
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#ifdef BOOST_HAS_ABI_HEADERS |
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#include BOOST_ABI_PREFIX |
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#endif |
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/////////////////////////////////////////////////////////////////////////////// |
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namespace boost { |
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namespace wave { |
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namespace grammars { |
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/////////////////////////////////////////////////////////////////////////////// |
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// define, whether the rule's should generate some debug output |
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#define TRACE_CPP_DEFINED_GRAMMAR \ |
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bool(BOOST_SPIRIT_DEBUG_FLAGS_CPP & BOOST_SPIRIT_DEBUG_FLAGS_DEFINED_GRAMMAR) \ |
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/**/ |
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template <typename ContainerT> |
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struct defined_grammar : |
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public boost::spirit::classic::grammar<defined_grammar<ContainerT> > |
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{ |
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defined_grammar(ContainerT &result_seq_) |
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: result_seq(result_seq_) |
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{ |
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BOOST_SPIRIT_DEBUG_TRACE_GRAMMAR_NAME(*this, "defined_grammar", |
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TRACE_CPP_DEFINED_GRAMMAR); |
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} |
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template <typename ScannerT> |
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struct definition |
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{ |
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typedef boost::spirit::classic::rule<ScannerT> rule_t; |
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rule_t defined_op; |
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rule_t identifier; |
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definition(defined_grammar const &self) |
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{ |
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using namespace boost::spirit::classic; |
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using namespace boost::wave; |
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using namespace boost::wave::util; |
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defined_op // parens not required, see C++ standard 16.1.1 |
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= ch_p(T_IDENTIFIER) // token contains 'defined' |
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>> ( |
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( ch_p(T_LEFTPAREN) |
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>> identifier |
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>> ch_p(T_RIGHTPAREN) |
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) |
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| identifier |
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) |
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; |
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identifier |
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= ch_p(T_IDENTIFIER) |
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[ |
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spirit_append_actor(self.result_seq) |
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] |
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| pattern_p(KeywordTokenType, TokenTypeMask|PPTokenFlag) |
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[ |
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spirit_append_actor(self.result_seq) |
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] |
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| pattern_p(OperatorTokenType|AltExtTokenType, |
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ExtTokenTypeMask|PPTokenFlag) |
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[ |
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spirit_append_actor(self.result_seq) |
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] |
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| pattern_p(BoolLiteralTokenType, TokenTypeMask|PPTokenFlag) |
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[ |
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spirit_append_actor(self.result_seq) |
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] |
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; |
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BOOST_SPIRIT_DEBUG_TRACE_RULE(defined_op, TRACE_CPP_DEFINED_GRAMMAR); |
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BOOST_SPIRIT_DEBUG_TRACE_RULE(identifier, TRACE_CPP_DEFINED_GRAMMAR); |
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} |
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// start rule of this grammar |
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rule_t const& start() const |
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{ return defined_op; } |
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}; |
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ContainerT &result_seq; |
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}; |
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/////////////////////////////////////////////////////////////////////////////// |
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#undef TRACE_CPP_DEFINED_GRAMMAR |
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/////////////////////////////////////////////////////////////////////////////// |
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// |
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// The following parse function is defined here, to allow the separation of |
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// the compilation of the defined_grammar from the function |
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// using it. |
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// |
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/////////////////////////////////////////////////////////////////////////////// |
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#if BOOST_WAVE_SEPARATE_GRAMMAR_INSTANTIATION != 0 |
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#define BOOST_WAVE_DEFINED_GRAMMAR_GEN_INLINE |
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#else |
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#define BOOST_WAVE_DEFINED_GRAMMAR_GEN_INLINE inline |
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#endif |
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// The parse_operator_define function is instantiated manually twice to |
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// simplify the explicit specialization of this template. This way the user |
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// has only to specify one template parameter (the lexer type) to correctly |
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// formulate the required explicit specialization. |
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// This results in no code overhead, because otherwise the function would be |
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// generated by the compiler twice anyway. |
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template <typename LexIteratorT> |
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BOOST_WAVE_DEFINED_GRAMMAR_GEN_INLINE |
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boost::spirit::classic::parse_info< |
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typename defined_grammar_gen<LexIteratorT>::iterator1_type |
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> |
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defined_grammar_gen<LexIteratorT>::parse_operator_defined ( |
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iterator1_type const &first, iterator1_type const &last, |
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token_sequence_type &found_qualified_name) |
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{ |
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using namespace boost::spirit::classic; |
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using namespace boost::wave; |
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defined_grammar<token_sequence_type> g(found_qualified_name); |
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return boost::spirit::classic::parse ( |
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first, last, g, ch_p(T_SPACE) | ch_p(T_CCOMMENT)); |
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} |
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template <typename LexIteratorT> |
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BOOST_WAVE_DEFINED_GRAMMAR_GEN_INLINE |
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boost::spirit::classic::parse_info< |
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typename defined_grammar_gen<LexIteratorT>::iterator2_type |
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> |
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defined_grammar_gen<LexIteratorT>::parse_operator_defined ( |
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iterator2_type const &first, iterator2_type const &last, |
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token_sequence_type &found_qualified_name) |
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{ |
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using namespace boost::spirit::classic; |
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using namespace boost::wave; |
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defined_grammar<token_sequence_type> g(found_qualified_name); |
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return boost::spirit::classic::parse ( |
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first, last, g, ch_p(T_SPACE) | ch_p(T_CCOMMENT)); |
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} |
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#undef BOOST_WAVE_DEFINED_GRAMMAR_GEN_INLINE |
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/////////////////////////////////////////////////////////////////////////////// |
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} // namespace grammars |
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} // namespace wave |
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} // namespace boost |
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// the suffix header occurs after all of the code |
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#ifdef BOOST_HAS_ABI_HEADERS |
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#include BOOST_ABI_SUFFIX |
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#endif |
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#endif // !defined(CPP_DEFINED_GRAMMAR_HPP_F48287B2_DC67_40A8_B4A1_800EFBD67869_INCLUDED)
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