105 lines
3.8 KiB
C++
105 lines
3.8 KiB
C++
/*
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* Copyright 2019 by its authors. See AUTHORS.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef EOLIAN_CXX_CLASS_DECLARATION_HH
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#define EOLIAN_CXX_CLASS_DECLARATION_HH
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#include "grammar/generator.hpp"
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#include "grammar/klass_def.hpp"
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#include "grammar/indentation.hpp"
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#include "grammar/list.hpp"
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#include "grammar/alternative.hpp"
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#include "grammar/type.hpp"
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#include "grammar/parameter.hpp"
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#include "grammar/function_declaration.hpp"
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namespace efl { namespace eolian { namespace grammar {
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struct class_declaration_generator
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{
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bool type_traits;
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template <typename OutputIterator, typename Context>
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bool generate(OutputIterator sink, attributes::klass_def const& cls, Context const& context) const
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{
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std::vector<std::string> cpp_namespaces = attributes::cpp_namespaces(cls.namespaces);
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std::string guard_symbol;
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if(!as_generator(*(string << "_") << string << "_FWD_GUARD")
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.generate(std::back_inserter(guard_symbol)
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, std::make_tuple(cpp_namespaces, cls.cxx_name), add_upper_case_context(context)))
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return false;
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if(!as_generator( "#ifndef " << guard_symbol << "\n"
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<< "#define " << guard_symbol << "\n")
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.generate(sink, std::make_tuple(), context))
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return false;
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auto open_namespace = *("namespace " << string << " { ") << "\n";
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if(!as_generator(open_namespace).generate(sink, cpp_namespaces, add_lower_case_context(context))) return false;
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if(!as_generator
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(
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"struct " << string << ";\n"
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).generate(sink, cls.cxx_name, context)) return false;
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auto close_namespace = *(lit("} ")) << "\n";
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if(!as_generator(close_namespace).generate(sink, cpp_namespaces, context)) return false;
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// if(type_traits)
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if(!as_generator
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(
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"namespace efl { namespace eo { template<> struct is_eolian_object< "
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"::" << *(lower_case[string] << "::") << string << "> : ::std::true_type {}; } }\n"
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"namespace efl { namespace eo { template<> struct is_eolian_object< "
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"::" << *(lower_case[string] << "::") << string << "&> : ::std::true_type {}; } }\n"
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"namespace efl { namespace eo { template<> struct is_eolian_object< "
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"::" << *(lower_case[string] << "::") << string << " const> : ::std::true_type {}; } }\n"
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"namespace efl { namespace eo { template<> struct is_eolian_object< "
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"::" << *(lower_case[string] << "::") << string << " const&> : ::std::true_type {}; } }\n"
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).generate(sink, std::make_tuple
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(
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cpp_namespaces, cls.cxx_name, cpp_namespaces, cls.cxx_name
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, cpp_namespaces, cls.cxx_name, cpp_namespaces, cls.cxx_name
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), context)) return false;
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if(!as_generator("#endif\n")
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.generate(sink, std::make_tuple(), context))
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return false;
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return true;
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}
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};
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template <>
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struct is_eager_generator<class_declaration_generator> : std::true_type {};
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template <>
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struct is_generator<class_declaration_generator> : std::true_type {};
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namespace type_traits {
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template <>
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struct attributes_needed<class_declaration_generator> : std::integral_constant<int, 1> {};
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}
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class_declaration_generator const class_declaration = {true};
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class_declaration_generator const class_forward_declaration = {false};
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} } }
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#endif
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