forked from enlightenment/efl
573 lines
27 KiB
C++
573 lines
27 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_MONO_STRUCT_DEFINITION_HH
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#define EOLIAN_MONO_STRUCT_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 "name_helpers.hh"
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#include "helpers.hh"
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#include "type.hh"
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#include "using_decl.hh"
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#include "documentation.hh"
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#include "struct_fields.hh"
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#include "blacklist.hh"
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namespace eolian_mono {
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inline std::string binding_struct_name(attributes::struct_def const& struct_)
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{
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return name_helpers::typedecl_managed_name(struct_);
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}
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inline std::string struct_internal_decl_name()
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{
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return "NativeStruct";
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}
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inline std::string binding_struct_internal_name(attributes::struct_def const& struct_)
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{
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return binding_struct_name(struct_) + "." + struct_internal_decl_name();
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}
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// Conversors generation //
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struct to_internal_field_convert_generator
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{
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template <typename OutputIterator, typename Context>
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bool generate(OutputIterator sink, attributes::struct_field_def const& field, Context const& context) const
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{
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auto const& indent = current_indentation(context);
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auto field_name = name_helpers::to_field_name(field.name);
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// FIXME Replace need_struct_conversion(regular) with need_struct_conversion(type)
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auto regular = efl::eina::get<attributes::regular_type_def>(&field.type.original_type);
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auto klass = efl::eina::get<attributes::klass_name>(&field.type.original_type);
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auto complex = efl::eina::get<attributes::complex_type_def>(&field.type.original_type);
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if (klass)
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{
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if (!as_generator(
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indent << scope_tab << scope_tab << "_internal_struct." << string << " = _external_struct." << string << "?.NativeHandle ?? System.IntPtr.Zero;\n")
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.generate(sink, std::make_tuple(field_name, field_name), context))
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return false;
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}
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else if ((complex && (complex->outer.base_type == "array"
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|| complex->outer.base_type == "list"
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|| complex->outer.base_type == "iterator"
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|| complex->outer.base_type == "hash"))
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|| field.type.c_type == "Eina_Binbuf *" || field.type.c_type == "const Eina_Binbuf *")
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{
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// Always assumes pointer
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if (!as_generator(
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indent << scope_tab << scope_tab << "_internal_struct." << string << " = _external_struct." << string << ".Handle;\n")
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.generate(sink, std::make_tuple(field_name, field_name), context))
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return false;
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}
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else if (field.type.is_ptr && helpers::need_pointer_conversion(regular) && !helpers::need_struct_conversion(regular))
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{
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if (!as_generator(
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indent << scope_tab << scope_tab << "_internal_struct." << string << " = Eina.PrimitiveConversion.ManagedToPointerAlloc(_external_struct." << string << ");\n")
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.generate(sink, std::make_tuple(field_name, field_name), context))
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return false;
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}
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else if (helpers::need_struct_conversion(regular))
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{
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if (!as_generator(
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indent << scope_tab << scope_tab << "_internal_struct." << string << " = _external_struct." << string << ";\n")
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.generate(sink, std::make_tuple(field_name, field_name), context))
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return false;
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}
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else if (regular && (regular->base_type == "string" || regular->base_type == "mstring"))
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{
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if (!as_generator(
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indent << scope_tab << scope_tab << "_internal_struct." << string << " = Eina.MemoryNative.StrDup(_external_struct." << string << ");\n")
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.generate(sink, std::make_tuple(field_name, field_name), context))
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return false;
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}
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else if (regular && regular->base_type == "stringshare")
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{
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if (!as_generator(
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indent << scope_tab << scope_tab << "_internal_struct." << string << " = Eina.MemoryNative.AddStringshare(_external_struct." << string << ");\n")
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.generate(sink, std::make_tuple(field_name, field_name), context))
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return false;
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}
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else if (field.type.c_type == "Eina_Slice" || field.type.c_type == "const Eina_Slice"
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|| field.type.c_type == "Eina_Rw_Slice" || field.type.c_type == "const Eina_Rw_Slice")
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{
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if (!as_generator(
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"\n" <<
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indent << scope_tab << scope_tab << "_internal_struct." << field_name << ".Len = _external_struct." << field_name << ".Len;\n" <<
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indent << scope_tab << scope_tab << "_internal_struct." << field_name << ".Mem = _external_struct." << field_name << ".Mem;\n")
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.generate(sink, attributes::unused, context))
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return false;
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}
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else if (field.type.c_type == "Eina_Value" || field.type.c_type == "const Eina_Value")
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{
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if (!as_generator(
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indent << scope_tab << scope_tab << "_internal_struct." << string << " = _external_struct." << string << ".GetNative();\n"
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).generate(sink, std::make_tuple(field_name, field_name), context))
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return false;
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}
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else if (field.type.c_type == "Eina_Value *" || field.type.c_type == "const Eina_Value *")
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{
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if (!as_generator(
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indent << scope_tab << scope_tab << "_internal_struct." << string << " = _external_struct." << string << "?.NativeHandle ?? System.IntPtr.Zero;\n"
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).generate(sink, std::make_tuple(field_name, field_name), context))
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return false;
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}
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else if (!field.type.is_ptr && regular && regular->base_type == "bool")
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{
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if (!as_generator(
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indent << scope_tab << scope_tab << "_internal_struct." << string << " = _external_struct." << string << " ? (byte)1 : (byte)0;\n")
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.generate(sink, std::make_tuple(field_name, field_name), context))
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return false;
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}
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else if (!field.type.is_ptr && regular && regular->base_type == "char")
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{
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if (!as_generator(
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indent << scope_tab << scope_tab << "_internal_struct." << string << " = (byte)_external_struct." << string << ";\n")
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.generate(sink, std::make_tuple(field_name, field_name), context))
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return false;
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}
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else // primitives and enums
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{
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if (!as_generator(
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indent << scope_tab << scope_tab << "_internal_struct." << string << " = _external_struct." << string << ";\n")
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.generate(sink, std::make_tuple(field_name, field_name), context))
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return false;
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}
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return true;
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}
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} const to_internal_field_convert {};
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struct to_external_field_convert_generator
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{
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template <typename OutputIterator, typename Context>
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bool generate(OutputIterator sink, attributes::struct_field_def const& field, Context const& context) const
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{
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auto const& indent = current_indentation(context);
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auto field_name = name_helpers::to_field_name(field.name);
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auto regular = efl::eina::get<attributes::regular_type_def>(&field.type.original_type);
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auto klass = efl::eina::get<attributes::klass_name>(&field.type.original_type);
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auto complex = efl::eina::get<attributes::complex_type_def>(&field.type.original_type);
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if (klass)
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{
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auto interface_name = name_helpers::klass_full_interface_name(*klass);
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auto concrete_name = name_helpers::klass_full_concrete_name(*klass);
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if (!as_generator(
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"\n"
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<< indent << scope_tab << scope_tab << "_external_struct." << string
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<< " = (" << concrete_name << ") Efl.Eo.Globals.CreateWrapperFor(_internal_struct." << string << ");\n"
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).generate(sink, std::make_tuple(field_name, field_name), context))
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return false;
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}
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else if (field.type.c_type == "Eina_Binbuf *" || field.type.c_type == "const Eina_Binbuf *")
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{
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if (!as_generator(
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indent << scope_tab << scope_tab << "_external_struct." << string << " = new " << type << "(_internal_struct." << string << ", false);\n")
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.generate(sink, std::make_tuple(field_name, field.type, field_name), context))
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return false;
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}
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else if (complex && (complex->outer.base_type == "array"
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|| complex->outer.base_type == "list"))
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{
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// Always assumes pointer
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if (!as_generator(
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indent << scope_tab << scope_tab << "_external_struct." << string << " = new " << type << "(_internal_struct." << string << ", false, false);\n")
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.generate(sink, std::make_tuple(field_name, field.type, field_name), context))
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return false;
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}
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else if (complex && complex->outer.base_type == "hash")
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{
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if (!as_generator(
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indent << scope_tab << scope_tab << "_external_struct." << string << " = new " << type << "(_internal_struct." << string << ", false, false, false);\n")
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.generate(sink, std::make_tuple(field_name, field.type, field_name), context))
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return false;
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}
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else if (complex && complex->outer.base_type == "iterator")
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{
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if (!as_generator(
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indent << scope_tab << scope_tab << "_external_struct." << string << " = new " << type << "(_internal_struct." << string << ", false);\n")
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.generate(sink, std::make_tuple(field_name, field.type, field_name), context))
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return false;
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}
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else if (field.type.is_ptr && helpers::need_pointer_conversion(regular) && !helpers::need_struct_conversion(regular))
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{
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if (!as_generator(
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indent << scope_tab << scope_tab << "_external_struct." << string << " = Eina.PrimitiveConversion.PointerToManaged<" << type << ">(_internal_struct." << string << ");\n")
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.generate(sink, std::make_tuple(field_name, field.type, field_name), context))
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return false;
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}
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else if (helpers::need_struct_conversion(regular))
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{
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if (!as_generator(
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indent << scope_tab << scope_tab << "_external_struct." << string << " = _internal_struct." << string << ";\n")
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.generate(sink, std::make_tuple(field_name, field_name), context))
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return false;
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}
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else if (regular && (regular->base_type == "string" || regular->base_type == "mstring" || regular->base_type == "stringshare"))
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{
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if (!as_generator(
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indent << scope_tab << scope_tab << "_external_struct." << string << " = Eina.StringConversion.NativeUtf8ToManagedString(_internal_struct." << string << ");\n")
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.generate(sink, std::make_tuple(field_name, field_name), context))
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return false;
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}
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else if (field.type.c_type == "Eina_Slice" || field.type.c_type == "const Eina_Slice"
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|| field.type.c_type == "Eina_Rw_Slice" || field.type.c_type == "const Eina_Rw_Slice")
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{
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if (!as_generator(
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"\n" <<
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indent << scope_tab << scope_tab << "_external_struct." << field_name << ".Len = _internal_struct." << field_name << ".Len;\n" <<
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indent << scope_tab << scope_tab << "_external_struct." << field_name << ".Mem = _internal_struct." << field_name << ".Mem;\n")
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.generate(sink, attributes::unused, context))
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return false;
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}
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else if (field.type.c_type == "Eina_Value" || field.type.c_type == "const Eina_Value")
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{
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if (!as_generator(
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indent << scope_tab << scope_tab << "_external_struct." << string << " = new Eina.Value(_internal_struct." << string << ");\n"
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).generate(sink, std::make_tuple(field_name, field_name), context))
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return false;
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}
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else if (field.type.c_type == "Eina_Value *" || field.type.c_type == "const Eina_Value *")
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{
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if (!as_generator(
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indent << scope_tab << scope_tab << "_external_struct." << string << " = new Eina.Value(_internal_struct." << string << ", Eina.Ownership.Unmanaged);\n"
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).generate(sink, std::make_tuple(field_name, field_name), context))
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return false;
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}
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else if (!field.type.is_ptr && regular && regular->base_type == "bool")
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{
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if (!as_generator(
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indent << scope_tab << scope_tab << "_external_struct." << string << " = _internal_struct." << string << " != 0;\n"
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).generate(sink, std::make_tuple(field_name, field_name), context))
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return false;
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}
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else if (!field.type.is_ptr && regular && regular->base_type == "char")
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{
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if (!as_generator(
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indent << scope_tab << scope_tab << "_external_struct." << string << " = (char)_internal_struct." << string << ";\n"
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).generate(sink, std::make_tuple(field_name, field_name), context))
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return false;
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}
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else // primitives and enums
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{
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if (!as_generator(
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indent << scope_tab << scope_tab << "_external_struct." << string << " = _internal_struct." << string << ";\n")
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.generate(sink, std::make_tuple(field_name, field_name), context))
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return false;
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}
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return true;
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}
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} const to_external_field_convert {};
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// Internal Struct //
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struct struct_internal_definition_generator
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{
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template <typename OutputIterator, typename Context>
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bool generate(OutputIterator sink, attributes::struct_def const& struct_, Context const& context) const
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{
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auto const& indent = current_indentation(context);
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if (!as_generator
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(
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indent << "#pragma warning disable CS1591\n\n"
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<< indent << "/// <summary>Internal wrapper for struct " << string << ".</summary>\n"
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<< indent << "[StructLayout(LayoutKind.Sequential)]\n"
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<< indent << "public struct " << string << "\n"
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<< indent << "{\n"
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)
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.generate(sink, std::make_tuple<>(binding_struct_name(struct_), struct_internal_decl_name()), context))
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return false;
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// iterate struct fields
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for (auto const& field : struct_.fields)
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{
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auto field_name = name_helpers::to_field_name(field.name);
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auto klass = efl::eina::get<attributes::klass_name>(&field.type.original_type);
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auto regular = efl::eina::get<attributes::regular_type_def>(&field.type.original_type);
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if (klass
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|| (regular && (regular->base_type == "string"
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|| regular->base_type == "mstring"
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|| regular->base_type == "stringshare"
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|| regular->base_type == "any_value_ref")))
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{
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if (!as_generator(indent << scope_tab << "/// <summary>Internal wrapper for field " << field_name << "</summary>\n"
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<< indent << scope_tab << "public System.IntPtr " << field_name << ";\n")
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.generate(sink, nullptr, context))
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return false;
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}
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else if (regular && !(regular->base_qualifier & efl::eolian::grammar::attributes::qualifier_info::is_ref)
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&& regular->base_type == "bool")
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{
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if (!as_generator(indent << scope_tab << "/// <summary>Internal wrapper for field " << field_name << "</summary>\n"
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<< indent << scope_tab << "public System.Byte " << field_name << ";\n")
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.generate(sink, nullptr, context))
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return false;
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}
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else if (regular && !(regular->base_qualifier & efl::eolian::grammar::attributes::qualifier_info::is_ref)
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&& regular->base_type == "char")
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{
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if (!as_generator(indent << scope_tab << "/// <summary>Internal wrapper for field " << field_name << "</summary>\n"
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<< indent << scope_tab << "public System.Byte " << field_name << ";\n")
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.generate(sink, nullptr, context))
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return false;
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}
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else if (!as_generator(indent << scope_tab << eolian_mono::marshall_annotation(false) << "\n"
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<< indent << scope_tab << "public " << eolian_mono::marshall_type(false) << " " << string << ";\n")
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.generate(sink, std::make_tuple(field.type, field.type, field_name), context))
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return false;
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}
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// Check whether this is an extern struct without declared fields in .eo file and generate a
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// placeholder field if positive.
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// Mono's JIT is picky when generating function pointer for delegates with empty structs, leading to
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// those 'mini-amd64.c condition fields not met' crashes.
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if (struct_.fields.size() == 0)
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{
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if (!as_generator(indent << scope_tab << "internal IntPtr field;\n").generate(sink, nullptr, context))
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return false;
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}
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auto external_name = binding_struct_name(struct_);
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auto internal_name = binding_struct_internal_name(struct_);
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// to internal
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if (!as_generator(
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indent << scope_tab << "/// <summary>Implicit conversion to the internal/marshalling representation.</summary>\n"
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<< indent << scope_tab << "public static implicit operator " << string << "(" << string << " _external_struct)\n"
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<< indent << scope_tab << "{\n"
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<< indent << scope_tab << scope_tab << "var _internal_struct = new " << string << "();\n"
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).generate(sink, std::make_tuple(internal_name, external_name, internal_name), context))
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return false;
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for (auto const& field : struct_.fields)
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{
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if (!to_internal_field_convert.generate(sink, field, context))
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return false;
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}
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if (!as_generator(indent << scope_tab << scope_tab << "return _internal_struct;\n"
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<< indent << scope_tab << "}\n\n").generate(sink, nullptr, context))
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return false;
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// to managed
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if (!as_generator(
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indent << scope_tab << "/// <summary>Implicit conversion to the managed representation.</summary>\n"
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<< indent << scope_tab << "public static implicit operator " << string << "(" << string << " _internal_struct)\n"
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<< indent << scope_tab << "{\n"
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<< indent << scope_tab << scope_tab << "var _external_struct = new " << string << "();\n"
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).generate(sink, std::make_tuple(external_name, internal_name, external_name), context))
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return false;
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for (auto const& field : struct_.fields)
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{
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if (!to_external_field_convert.generate(sink, field, context))
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return false;
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}
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if (!as_generator(indent << scope_tab << scope_tab << "return _external_struct;\n"
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<< indent << scope_tab << "}\n").generate(sink, nullptr, context))
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return false;
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// close internal class
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if(!as_generator(indent << "}\n"
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<< indent << "#pragma warning restore CS1591\n"
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).generate(sink, attributes::unused, context)) return false;
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return true;
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}
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} const struct_internal_definition {};
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// Managed Struct //
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struct struct_definition_generator
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{
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template <typename OutputIterator, typename Context>
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bool generate(OutputIterator sink, attributes::struct_def const& struct_, Context const& context) const
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{
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EINA_CXX_DOM_LOG_DBG(eolian_mono::domain) << "struct_definition_generator: " << struct_.cxx_name << std::endl;
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auto const& indent = current_indentation(context);
|
|
if(!as_generator(documentation).generate(sink, struct_, context))
|
|
return false;
|
|
if(!as_generator
|
|
(
|
|
indent << "[StructLayout(LayoutKind.Sequential)]\n"
|
|
<< indent << "[Efl.Eo.BindingEntity]\n"
|
|
<< indent << "public struct " << string << "\n"
|
|
<< indent << "{\n"
|
|
)
|
|
.generate(sink, binding_struct_name(struct_), context))
|
|
return false;
|
|
|
|
// iterate struct fields
|
|
for (auto const& field : struct_.fields)
|
|
{
|
|
if (!as_generator(documentation(indent.n + 1)).generate(sink, field, context))
|
|
return false;
|
|
|
|
if (!field.type.doc_summary.empty())
|
|
{
|
|
if (!as_generator(indent << scope_tab << "/// <value>" << field.type.doc_summary << "</value>\n").generate(sink, attributes::unused, context))
|
|
return false;
|
|
}
|
|
|
|
if (!as_generator(indent << scope_tab << "public " << type << " " << name_helpers::to_field_name(field.name) << ";\n").generate(sink, field.type, context))
|
|
return false;
|
|
}
|
|
|
|
auto struct_name = binding_struct_name(struct_);
|
|
|
|
// Check whether this is an extern struct without declared fields in .eo file and generate a
|
|
// placeholder field if positive.
|
|
// Mono's JIT is picky when generating function pointer for delegates with empty structs, leading to
|
|
// those 'mini-amd64.c condition fields not met' crashes.
|
|
if (struct_.fields.size() == 0)
|
|
{
|
|
if (!as_generator(indent << scope_tab << "/// <summary>Placeholder field</summary>\n"
|
|
<< indent << scope_tab << "public IntPtr field;\n").generate(sink, nullptr, context))
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
// Constructor with default parameters for easy struct initialization
|
|
if(!as_generator(
|
|
indent << scope_tab << "/// <summary>Constructor for " << string << ".\n"
|
|
).generate(sink, struct_name, context))
|
|
return false;
|
|
|
|
if (!struct_.documentation.since.empty())
|
|
if (!as_generator(indent << scope_tab << "/// <para>Since EFL " + struct_.documentation.since + ".</para>\n"
|
|
).generate(sink, attributes::unused, context))
|
|
return false;
|
|
|
|
if (!as_generator(
|
|
indent << scope_tab << "/// </summary>\n"
|
|
<< *(indent << scope_tab << field_argument_docs << "\n")
|
|
<< indent << scope_tab << "public " << string << "(\n"
|
|
<< ((indent << scope_tab << scope_tab << field_argument_default) % ",\n")
|
|
<< indent << scope_tab << ")\n"
|
|
<< indent << scope_tab << "{\n"
|
|
<< *(indent << scope_tab << scope_tab << field_argument_assignment << ";\n")
|
|
<< indent << scope_tab << "}\n\n")
|
|
.generate(sink, std::make_tuple(struct_.fields, struct_name, struct_.fields, struct_.fields), context))
|
|
return false;
|
|
}
|
|
|
|
if(!as_generator(
|
|
indent << scope_tab << "/// <summary>Implicit conversion to the managed representation from a native pointer.\n"
|
|
).generate(sink, attributes::unused, context))
|
|
return false;
|
|
|
|
if (!struct_.documentation.since.empty())
|
|
if (!as_generator(indent << scope_tab << "/// <para>Since EFL " + struct_.documentation.since + ".</para>\n"
|
|
).generate(sink, attributes::unused, context))
|
|
return false;
|
|
|
|
if (!as_generator(
|
|
indent << scope_tab << "/// </summary>\n"
|
|
<< indent << scope_tab << "/// <param name=\"ptr\">Native pointer to be converted.</param>\n"
|
|
<< indent << scope_tab << "public static implicit operator " << struct_name << "(IntPtr ptr)\n"
|
|
<< indent << scope_tab << "{\n"
|
|
<< indent << scope_tab << scope_tab << "var tmp = (" << struct_name << ".NativeStruct)Marshal.PtrToStructure(ptr, typeof(" << struct_name << ".NativeStruct));\n"
|
|
<< indent << scope_tab << scope_tab << "return tmp;\n"
|
|
<< indent << scope_tab << "}\n\n"
|
|
).generate(sink, attributes::unused, context))
|
|
return false;
|
|
|
|
if (!struct_internal_definition.generate(sink, struct_, change_indentation(indent.inc(), context)))
|
|
return false;
|
|
|
|
if(!as_generator(indent << "}\n\n").generate(sink, attributes::unused, context)) return false;
|
|
|
|
return true;
|
|
}
|
|
} const struct_definition {};
|
|
|
|
struct struct_entities_generator
|
|
{
|
|
template <typename OutputIterator, typename Context>
|
|
bool generate(OutputIterator sink, attributes::struct_def const& struct_, Context const& context) const
|
|
{
|
|
if (blacklist::is_struct_blacklisted(struct_, context))
|
|
return true;
|
|
|
|
if (!name_helpers::open_namespaces(sink, struct_.namespaces, context))
|
|
return false;
|
|
|
|
if (!struct_definition.generate(sink, struct_, context))
|
|
return false;
|
|
|
|
return name_helpers::close_namespaces(sink, struct_.namespaces, context);
|
|
|
|
}
|
|
} const struct_entities {};
|
|
|
|
}
|
|
|
|
namespace efl { namespace eolian { namespace grammar {
|
|
|
|
template <>
|
|
struct is_eager_generator< ::eolian_mono::struct_definition_generator> : std::true_type {};
|
|
template <>
|
|
struct is_generator< ::eolian_mono::struct_definition_generator> : std::true_type {};
|
|
|
|
template <>
|
|
struct is_eager_generator< ::eolian_mono::struct_internal_definition_generator> : std::true_type {};
|
|
template <>
|
|
struct is_generator< ::eolian_mono::struct_internal_definition_generator> : std::true_type {};
|
|
|
|
template <>
|
|
struct is_eager_generator< ::eolian_mono::to_internal_field_convert_generator> : std::true_type {};
|
|
template <>
|
|
struct is_generator< ::eolian_mono::to_internal_field_convert_generator> : std::true_type {};
|
|
|
|
template <>
|
|
struct is_eager_generator< ::eolian_mono::to_external_field_convert_generator> : std::true_type {};
|
|
template <>
|
|
struct is_generator< ::eolian_mono::to_external_field_convert_generator> : std::true_type {};
|
|
|
|
template <>
|
|
struct is_eager_generator< ::eolian_mono::struct_entities_generator> : std::true_type {};
|
|
template <>
|
|
struct is_generator< ::eolian_mono::struct_entities_generator> : std::true_type {};
|
|
|
|
namespace type_traits {
|
|
template <>
|
|
struct attributes_needed< ::eolian_mono::struct_definition_generator> : std::integral_constant<int, 1> {};
|
|
|
|
template <>
|
|
struct attributes_needed< ::eolian_mono::struct_internal_definition_generator> : std::integral_constant<int, 1> {};
|
|
|
|
template <>
|
|
struct attributes_needed< ::eolian_mono::to_internal_field_convert_generator> : std::integral_constant<int, 1> {};
|
|
|
|
template <>
|
|
struct attributes_needed< ::eolian_mono::to_external_field_convert_generator> : std::integral_constant<int, 1> {};
|
|
|
|
template <>
|
|
struct attributes_needed< ::eolian_mono::struct_entities_generator> : std::integral_constant<int, 1> {};
|
|
}
|
|
|
|
} } }
|
|
|
|
#endif
|