forked from enlightenment/efl
122 lines
4.3 KiB
C++
122 lines
4.3 KiB
C++
#ifndef EOLIAN_CXX_BASE_CLASS_DEFINITION_HH
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#define EOLIAN_CXX_BASE_CLASS_DEFINITION_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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#include "grammar/namespace.hpp"
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#include "grammar/case.hpp"
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#include "grammar/address_of.hpp"
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#include "grammar/attribute_reorder.hpp"
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#include "grammar/part_declaration.hpp"
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namespace efl { namespace eolian { namespace grammar {
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struct base_class_definition_generator
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{
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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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// static_assert(std::is_same<OutputIterator, void>::value, "");
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auto open_namespace = *("namespace " << string << " { ") << "\n";
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if(!as_generator(open_namespace).generate
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(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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if(!as_generator(*(function_declaration(get_klass_name(cls))))
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.generate(sink, cls.functions, context)) return false;
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if(!as_generator(*(part_declaration << ";\n"))
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.generate(sink, cls.parts, context)) return false;
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// static Efl_Class const* _eo_class();
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std::string suffix;
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switch(cls.type)
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{
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case attributes::class_type::regular:
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case attributes::class_type::abstract_:
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suffix = "CLASS";
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break;
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case attributes::class_type::mixin:
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suffix = "MIXIN";
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break;
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case attributes::class_type::interface_:
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suffix = "INTERFACE";
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break;
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}
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if(!as_generator
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(
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scope_tab << "static Efl_Class const* _eo_class()\n"
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<< scope_tab << "{\n"
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<< scope_tab << scope_tab << "return "
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).generate(sink, attributes::unused, context)) return false;
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if(!as_generator
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(*(lower_case[string] << "_") << string << "_" << string)
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.generate(sink, std::make_tuple(cls.namespaces, cls.eolian_name, suffix), add_upper_case_context(context)))
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return false;
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if(!as_generator(";\n" << scope_tab << "}\n").generate(sink, attributes::unused, context)) return false;
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if(!as_generator(
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scope_tab << "Eo* _eo_ptr() const { return *(reinterpret_cast<Eo **>"
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<< "(const_cast<" << string << " *>(this))); }\n"
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).generate(sink, cls.cxx_name, context))
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return false;
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// operator ::ns::Class_Name() const;
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// operator ::ns::Class_Name&();
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// operator ::ns::Class_Name const&() const;
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auto class_name = *(lit("::") << lower_case[string]) << "::" << string;
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if(!as_generator
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(
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attribute_reorder<0, 1, 0, 1, 0, 1, 0, 1>
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(
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scope_tab << "operator " << class_name << "() const;\n"
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<< scope_tab << "operator " << class_name << "&();\n"
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<< scope_tab << "operator " << class_name << " const&() const;\n"
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)).generate(sink, std::make_tuple(cpp_namespaces, cls.cxx_name), context))
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return false;
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// /// @cond LOCAL
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if(!as_generator(scope_tab << "/// @cond LOCAL\n").generate(sink, attributes::unused, context)) return false;
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if(!as_generator(address_of).generate(sink, cls, context)) return false;
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// /// @endcond
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if(!as_generator(scope_tab << "/// @endcond\n").generate(sink, attributes::unused, context)) return false;
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if(!as_generator("};\n").generate(sink, attributes::unused, 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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return true;
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}
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};
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template <>
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struct is_eager_generator<base_class_definition_generator> : std::true_type {};
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template <>
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struct is_generator<base_class_definition_generator> : std::true_type {};
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namespace type_traits {
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template <>
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struct attributes_needed<base_class_definition_generator> : std::integral_constant<int, 1> {};
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}
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base_class_definition_generator const base_class_definition = {};
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} } }
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#endif
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