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code_writers.h
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#pragma once
#include <functional>
#include <set>
#include <filesystem>
#include <iostream>
#include <regex>
#include <concurrent_unordered_map.h>
namespace cswinrt
{
using namespace winmd::reader;
static const struct
{
char const* csharp;
char const* dotnet;
}
type_mappings[] =
{
{"bool", "Boolean"},
{"char", "Char"},
{"sbyte", "SByte"},
{"byte", "Byte"},
{"short", "Int16"},
{"ushort", "UInt16"},
{"int", "Int32"},
{"uint", "UInt32"},
{"long", "Int64"},
{"ulong", "UInt64"},
{"float", "Float"},
{"double", "Double"},
{"string", "String"},
};
auto to_csharp_type(fundamental_type type)
{
return type_mappings[(int)type].csharp;
}
auto to_dotnet_type(fundamental_type type)
{
return type_mappings[(int)type].dotnet;
}
auto get_delegate_type_suffix(fundamental_type type)
{
if (type == fundamental_type::String)
{
return "String";
}
return type_mappings[(int)type].dotnet;
}
static uint32_t get_vmethod_index(TypeDef const& type, MethodDef const& method)
{
uint32_t const vtable_base = type.MethodList().first.index();
uint32_t const vtable_index = method.index() - vtable_base;
return vtable_index;
}
static std::string get_vmethod_name(writer& w, TypeDef const& type, MethodDef const& method)
{
return w.write_temp("%_%", method.Name(), get_vmethod_index(type, method));
}
bool is_type_blittable(type_semantics const& semantics, bool for_array = false)
{
return call(semantics,
[&](object_type)
{
return false;
},
[&](type_definition const& type)
{
switch (get_category(type))
{
case category::enum_type:
return !for_array;
case category::struct_type:
if (auto mapping = get_mapped_type(type.TypeNamespace(), type.TypeName()))
{
return !mapping->requires_marshaling;
}
for (auto&& field : type.FieldList())
{
if (!is_type_blittable(get_type_semantics(field.Signature().Type())))
{
return false;
}
}
return true;
default:
return false;
}
},
[&](generic_type_instance const& /*type*/)
{
return false;
},
[&](fundamental_type const& type)
{
return (type != fundamental_type::String) &&
(type != fundamental_type::Char) &&
(type != fundamental_type::Boolean);
},
[&](auto&&)
{
return true;
});
}
bool is_value_type(type_semantics const& semantics)
{
return call(semantics,
[&](object_type)
{
return false;
},
[&](type_definition const& type)
{
switch (get_category(type))
{
case category::enum_type:
return true;
case category::struct_type:
if (auto mapping = get_mapped_type(type.TypeNamespace(), type.TypeName()))
{
return true;
}
for (auto&& field : type.FieldList())
{
if (!is_value_type(get_type_semantics(field.Signature().Type())))
{
return false;
}
}
return true;
default:
return false;
}
},
[&](generic_type_instance const& /*type*/)
{
return false;
},
[&](fundamental_type const& type)
{
return (type != fundamental_type::String);
},
[&](auto&&)
{
return true;
});
}
void write_fundamental_type(writer& w, fundamental_type type)
{
w.write(to_csharp_type(type));
}
void write_fundamental_non_projected_type(writer& w, fundamental_type type)
{
w.write(to_dotnet_type(type));
}
void write_projection_type(writer& w, type_semantics const& semantics);
void write_projection_type_for_name_type(writer& w, type_semantics const& semantics, typedef_name_type const& nameType);
void write_generic_type_name_base(writer& w, uint32_t index)
{
write_projection_type(w, w.get_generic_arg_scope(index).first);
}
void write_generic_type_name(writer& w, uint32_t index)
{
w.write_generic_type_name_custom ?
w.write_generic_type_name_custom(w, index) :
write_generic_type_name_base(w, index);
}
template<typename TAction, typename TResult = std::invoke_result_t<TAction, type_definition>>
TResult for_typedef(writer& w, type_semantics const& semantics, TAction action)
{
return call(semantics,
[&](type_definition const& type)
{
return action(type);
},
[&](generic_type_instance const& type)
{
auto guard{ w.push_generic_args(type) };
return action(type.generic_type);
},
[](auto)
{
throw_invalid("type definition expected");
#pragma warning(disable:4702)
return TResult();
});
}
void write_typedef_name(writer& w, type_definition const& type, typedef_name_type const& nameType = typedef_name_type::Projected, bool forceWriteNamespace = false)
{
bool authoredType = settings.component && settings.filter.includes(type);
auto typeNamespace = type.TypeNamespace();
auto typeName = type.TypeName();
if (nameType == typedef_name_type::NonProjected)
{
w.write("%.%", typeNamespace, typeName);
return;
}
if (auto proj = get_mapped_type(typeNamespace, typeName))
{
typeNamespace = proj->mapped_namespace;
typeName = proj->mapped_name;
}
// Exclusive interfaces for authored types only exist in the CCW impl namepsace.
// For the default interface, if the projected name is requested, use the class type.
// For other exclusive interfaces, if the projected name is requested, use the CCW type.
bool use_exclusive_to_type = false;
TypeDef exclusive_to_type;
typedef_name_type name_type_to_write = nameType;
if (authoredType && is_exclusive_to(type) && name_type_to_write == typedef_name_type::Projected)
{
auto exclusive_to_attr = get_attribute(type, "Windows.Foundation.Metadata", "ExclusiveToAttribute");
auto sig = exclusive_to_attr.Value();
auto const& fixed_args = sig.FixedArgs();
XLANG_ASSERT(fixed_args.size() == 1);
auto sys_type = std::get<ElemSig::SystemType>(std::get<ElemSig>(fixed_args[0].value).value);
exclusive_to_type = type.get_cache().find_required(sys_type.name);
try
{
if (auto default_interface = get_default_interface(exclusive_to_type))
{
for_typedef(w, get_type_semantics(default_interface), [&](auto&& interface_type)
{
use_exclusive_to_type = (type == interface_type);
});
}
}
catch (const std::invalid_argument&)
{
}
if (!use_exclusive_to_type)
{
name_type_to_write = typedef_name_type::CCW;
}
}
if (forceWriteNamespace ||
(typeNamespace != w._current_namespace) ||
(name_type_to_write == typedef_name_type::Projected && (w._in_abi_namespace || w._in_abi_impl_namespace)) ||
(name_type_to_write == typedef_name_type::ABI && !w._in_abi_namespace) ||
(name_type_to_write == typedef_name_type::CCW && authoredType && !w._in_abi_impl_namespace) ||
(name_type_to_write == typedef_name_type::CCW && !authoredType && (w._in_abi_namespace || w._in_abi_impl_namespace)))
{
w.write("global::");
if (name_type_to_write == typedef_name_type::ABI)
{
w.write("ABI.");
}
else if (authoredType && name_type_to_write == typedef_name_type::CCW)
{
w.write("ABI.Impl.");
}
w.write("%.", typeNamespace);
}
if (use_exclusive_to_type)
{
w.write("@", exclusive_to_type.TypeName());
}
else
{
w.write("@", typeName);
}
}
void write_type_params(writer& w, TypeDef const& type)
{
if (distance(type.GenericParam()) == 0)
{
return;
}
separator s{ w };
uint32_t index = 0;
w.write("<%>", bind_each([&](writer& w, GenericParam const& /*gp*/)
{ s(); write_generic_type_name(w, index++); }, type.GenericParam()));
}
void write_type_name(writer& w, type_semantics const& semantics, typedef_name_type const& nameType = typedef_name_type::Projected, bool forceWriteNamespace = false)
{
for_typedef(w, semantics, [&](auto type)
{
write_typedef_name(w, type, nameType, forceWriteNamespace);
write_type_params(w, type);
});
}
auto write_type_name_temp(writer& w, type_semantics const& type, char const* format = "%", typedef_name_type const& nameType = typedef_name_type::Projected)
{
return w.write_temp(format, bind<write_type_name>(type, nameType, false));
}
void write_projection_type_for_name_type(writer& w, type_semantics const& semantics, typedef_name_type const& nameType)
{
call(semantics,
[&](object_type) { w.write("object"); },
[&](guid_type) { w.write("Guid"); },
[&](type_type) { w.write("Type"); },
[&](type_definition const& type) { write_typedef_name(w, type, nameType); },
[&](generic_type_index const& var) { write_generic_type_name(w, var.index); },
[&](generic_type_instance const& type)
{
auto guard{ w.push_generic_args(type) };
w.write("%<%>",
bind<write_projection_type_for_name_type>(type.generic_type, nameType),
bind_list<write_projection_type_for_name_type>(", ", type.generic_args, nameType));
},
[&](generic_type_param const& param) { w.write(param.Name()); },
[&](fundamental_type const& type)
{
if (nameType == typedef_name_type::NonProjected)
{
write_fundamental_non_projected_type(w, type);
}
else
{
write_fundamental_type(w, type);
}
});
}
void write_projection_type(writer& w, type_semantics const& semantics)
{
write_projection_type_for_name_type(w, semantics, typedef_name_type::Projected);
}
void write_projection_ccw_type(writer& w, type_semantics const& semantics)
{
write_projection_type_for_name_type(w, semantics, typedef_name_type::CCW);
}
bool is_keyword(std::string_view str)
{
static constexpr std::string_view keywords[] =
{
"abstract", "as", "base", "bool", "break", "byte",
"case", "catch", "char", "checked", "class", "const",
"continue", "decimal", "default", "delegate", "do", "double",
"else", "enum", "event", "explicit", "extern", "false",
"finally", "fixed", "float", "for", "foreach", "goto",
"if", "implicit", "in", "int", "interface", "internal",
"is", "lock", "long", "namespace", "new", "null",
"object", "operator", "out", "override", "params", "private",
"protected", "public", "readonly", "ref", "return", "sbyte",
"sealed", "short", "sizeof", "stackalloc", "static", "string",
"struct", "switch", "this", "throw", "true", "try",
"typeof", "uint", "ulong", "unchecked", "unsafe", "ushort",
"using", "virtual", "void", "volatile", "while"
};
#if 0
assert(std::is_sorted(std::begin(keywords), std::end(keywords)));
#endif
return std::binary_search(std::begin(keywords), std::end(keywords), str);
}
void write_escaped_identifier(writer& w, std::string_view identifier)
{
if (is_keyword(identifier))
{
w.write("@");
}
w.write(identifier);
}
void write_parameter_name(writer& w, method_signature::param_t const& param)
{
write_escaped_identifier(w, param.first.Name());
}
void write_parameter_name_with_modifier(writer& w, method_signature::param_t const& param)
{
switch (get_param_category(param))
{
case param_category::ref:
w.write("in ");
break;
case param_category::out:
case param_category::receive_array:
w.write("out ");
break;
default:
break;
}
write_parameter_name(w, param);
}
void write_projection_parameter_type(writer& w, method_signature::param_t const& param)
{
auto semantics = get_type_semantics(param.second->Type());
switch (get_param_category(param))
{
case param_category::in:
w.write("%", bind<write_projection_type>(semantics));
break;
case param_category::ref:
w.write("in %", bind<write_projection_type>(semantics));
break;
case param_category::out:
w.write("out %", bind<write_projection_type>(semantics));
break;
case param_category::pass_array:
case param_category::fill_array:
w.write("%[]", bind<write_projection_type>(semantics));
break;
case param_category::receive_array:
w.write("out %[]", bind<write_projection_type>(semantics));
break;
}
}
void write_projected_signature(writer& w, TypeSig const& type_sig)
{
write_projection_type(w, get_type_semantics(type_sig));
if(type_sig.is_szarray()) w.write("[]");
};
void write_projection_return_type(writer& w, method_signature const& signature)
{
if (auto return_sig = signature.return_signature())
{
write_projected_signature(w, return_sig.Type());
}
else
{
w.write("void");
}
}
void write_projection_parameter(writer& w, method_signature::param_t const& param)
{
w.write("% %",
bind<write_projection_parameter_type>(param),
bind<write_parameter_name>(param));
}
void write_event_source_type_name(writer& w, type_semantics const& eventTypeSemantics)
{
auto eventTypeCode = w.write_temp("%", bind<write_type_name>(eventTypeSemantics, typedef_name_type::Projected, false));
std::string eventTypeName = "_EventSource_" + eventTypeCode;
std::regex re(R"-((\ |:|<|>|,|\.))-");
w.write("%", std::regex_replace(eventTypeName, re, "_"));
}
method_signature get_event_invoke_method(TypeDef const& eventType)
{
for (auto&& method : eventType.MethodList())
{
if (method.Name() == "Invoke")
{
return method_signature(method);
}
}
throw_invalid("Event type must have an Invoke method");
}
void write_event_invoke_params(writer& w, method_signature const& methodSig)
{
w.write("%", bind_list<write_projection_parameter>(", ", methodSig.params()));
}
void write_event_invoke_return(writer& w, method_signature const& methodSig)
{
if (methodSig.return_signature())
{
w.write("return ");
}
}
void write_event_invoke_return_default(writer& w, method_signature const& methodSig)
{
if (!methodSig.return_signature())
{
return;
}
auto&& semantics = get_type_semantics(methodSig.return_signature().Type());
w.write("default(%)", bind<write_projection_type>(semantics));
}
void write_event_out_defaults(writer& w, method_signature const& methodSig)
{
for (auto&& param : methodSig.params())
{
if (get_param_category(param) == param_category::out || get_param_category(param) == param_category::receive_array)
{
w.write("\n% = default(%);", bind<write_parameter_name>(param), bind<write_projection_type>(get_type_semantics(param.second->Type())));
}
}
}
void write_event_invoke_args(writer& w, method_signature const& methodSig)
{
w.write("%", bind_list<write_parameter_name_with_modifier>(", ", methodSig.params()));
}
void write_abi_type(writer& w, type_semantics const& semantics)
{
call(semantics,
[&](object_type) { w.write("IntPtr"); },
[&](guid_type) { w.write("Guid"); },
[&](type_type) { throw_invalid("System.Type not implemented"); },
[&](type_definition const& type)
{
switch (get_category(type))
{
case category::enum_type:
write_type_name(w, type);
break;
case category::struct_type:
write_type_name(w, type, !is_type_blittable(semantics) ? typedef_name_type::ABI : typedef_name_type::Projected);
break;
default:
w.write("IntPtr");
break;
};
},
[&](generic_type_index const& var)
{
write_generic_type_name(w, var.index);
},
[&](generic_type_instance const&)
{
w.write("IntPtr");
},
[&](generic_type_param const& param)
{
w.write(param.Name());
},
[&](fundamental_type type)
{
if (type == fundamental_type::String)
{
w.write("IntPtr");
}
else
{
if (type == fundamental_type::Boolean)
{
type = fundamental_type::UInt8;
}
if (type == fundamental_type::Char)
{
type = fundamental_type::UInt16;
}
write_fundamental_type(w, type);
}
});
}
void write_abi_parameter(writer& w, method_signature::param_t const& param)
{
auto semantics = get_type_semantics(param.second->Type());
auto param_name = w.write_temp("%", bind<write_parameter_name>(param));
switch (get_param_category(param))
{
case param_category::in:
w.write(", % %", bind<write_abi_type>(semantics), param_name);
break;
case param_category::ref:
w.write(settings.netstandard_compat ? ", in % %" : ", %* %", bind<write_abi_type>(semantics), param_name);
break;
case param_category::out:
w.write(settings.netstandard_compat ? ", out % %" : ", %* %", bind<write_abi_type>(semantics), param_name);
break;
case param_category::pass_array:
case param_category::fill_array:
w.write(", int __%Size, IntPtr %", param_name, param_name);
break;
case param_category::receive_array:
w.write(settings.netstandard_compat ? ", out int __%Size, out IntPtr %" : ", int* __%Size, IntPtr* %", param_name, param_name);
break;
}
}
void write_abi_parameter_type(writer& w, method_signature::param_t const& param)
{
auto semantics = get_type_semantics(param.second->Type());
switch (get_param_category(param))
{
case param_category::in:
w.write(", %", bind<write_abi_type>(semantics));
break;
case param_category::ref:
w.write(", in %", bind<write_abi_type>(semantics));
break;
case param_category::out:
w.write(", out %", bind<write_abi_type>(semantics));
break;
case param_category::pass_array:
case param_category::fill_array:
w.write(", int, IntPtr");
break;
case param_category::receive_array:
w.write(", out int, out IntPtr");
break;
}
}
void write_abi_parameter_type_pointer(writer& w, method_signature::param_t const& param)
{
auto semantics = get_type_semantics(param.second->Type());
switch (get_param_category(param))
{
case param_category::in:
w.write(", %", bind<write_abi_type>(semantics));
break;
case param_category::ref:
w.write(", %*", bind<write_abi_type>(semantics));
break;
case param_category::out:
w.write(", %*", bind<write_abi_type>(semantics));
break;
case param_category::pass_array:
case param_category::fill_array:
w.write(", int, IntPtr");
break;
case param_category::receive_array:
w.write(", int*, IntPtr*");
break;
}
}
void write_abi_return(writer& w, method_signature const& signature)
{
if (auto return_sig = signature.return_signature())
{
auto semantics = get_type_semantics(return_sig.Type());
auto return_param = w.write_temp("%", bind<write_escaped_identifier>(signature.return_param_name()));
if (settings.netstandard_compat)
{
return_sig.Type().is_szarray() ?
w.write(", out int __%Size, out IntPtr %", signature.return_param_name(), return_param) :
w.write(", out % %", bind<write_abi_type>(semantics), return_param);
}
else
{
return_sig.Type().is_szarray() ?
w.write(", int* __%Size, IntPtr* %", signature.return_param_name(), return_param) :
w.write(", %* %", bind<write_abi_type>(semantics), return_param);
}
}
}
void write_abi_return_type(writer& w, method_signature const& signature)
{
if (auto return_sig = signature.return_signature())
{
auto semantics = get_type_semantics(return_sig.Type());
return_sig.Type().is_szarray() ?
w.write(", out int, out IntPtr") :
w.write(", out %", bind<write_abi_type>(semantics));
}
}
void write_abi_return_type_pointer(writer& w, method_signature const& signature)
{
if (auto return_sig = signature.return_signature())
{
auto semantics = get_type_semantics(return_sig.Type());
return_sig.Type().is_szarray() ?
w.write(", int*, IntPtr*") :
w.write(", %*", bind<write_abi_type>(semantics));
}
}
void write_abi_parameters(writer& w, method_signature const& signature)
{
w.write("IntPtr thisPtr");
for (auto&& param : signature.params())
{
write_abi_parameter(w, param);
}
write_abi_return(w, signature);
}
void write_abi_parameter_types(writer& w, method_signature const& signature)
{
w.write("IntPtr");
for (auto&& param : signature.params())
{
write_abi_parameter_type(w, param);
}
write_abi_return_type(w, signature);
}
void write_abi_parameter_types_pointer(writer& w, method_signature const& signature)
{
w.write("IntPtr");
for (auto&& param : signature.params())
{
write_abi_parameter_type_pointer(w, param);
}
write_abi_return_type_pointer(w, signature);
}
bool abi_signature_has_generic_parameters(writer& w, method_signature const& signature)
{
bool signature_has_generic_parameters{};
writer::write_generic_type_name_guard g(w, [&](writer& /*w*/, uint32_t /*index*/) {
signature_has_generic_parameters = true;
});
auto _ = w.write_temp("%", bind<write_abi_parameters>(signature));
return signature_has_generic_parameters;
}
template<typename write_params>
void write_event_params(writer& w, row_base<Event>::value_type const& evt, write_params params)
{
method_signature add_sig{ std::get<0>(get_event_methods(evt)) };
auto semantics = get_type_semantics(add_sig.params().at(0).second->Type());
if (auto td = std::get_if<type_definition>(&semantics))
{
method_signature invoke_sig{ get_delegate_invoke(*td) };
if (invoke_sig.params().size() > 0)
{
params(w, invoke_sig);
}
}
else if (auto gti = std::get_if<generic_type_instance>(&semantics))
{
auto guard{ w.push_generic_args(*gti) };
method_signature invoke_sig{ get_delegate_invoke(gti->generic_type) };
params(w, invoke_sig);
}
}
void write_event_param_types(writer& w, row_base<Event>::value_type const& evt)
{
auto write_params = [](writer& w, method_signature const& invoke_sig)
{
w.write("<%>", bind_list<write_projection_parameter_type>(", ", invoke_sig.params()));
};
write_event_params(w, evt, write_params);
}
void write_delegate_abi_call(writer& w, TypeDef const& type, std::string_view call, std::string_view name)
{
w.write("%%.%(%)",
bind<write_typedef_name>(type, typedef_name_type::ABI, false),
bind<write_type_params>(type),
call, name);
}
void write_object_marshal_from_abi(writer& w, type_semantics const& param_type, TypeDef const& type, std::string_view name, bool is_boxed = false)
{
switch (get_category(type))
{
case category::enum_type:
{
if (is_boxed)
{
w.write("(%)", bind<write_type_name>(type, typedef_name_type::Projected, false));
}
w.write("%", name);
return;
}
case category::delegate_type:
{
write_delegate_abi_call(w, type, "FromAbi", name);
return;
}
case category::struct_type:
{
if (is_type_blittable(param_type))
{
w.write("%", name);
}
else
{
w.write("%.FromAbi(%)", bind<write_type_name>(param_type, typedef_name_type::ABI, true), name);
}
return;
}
case category::interface_type:
{
w.write("MarshalInterface<%>.FromAbi(%)",
bind<write_type_name>(type, typedef_name_type::Projected, false),
name);
return;
}
case category::class_type:
{
w.write("%.FromAbi(%)",
bind<write_projection_type>(param_type),
name);
return;
}
}
}
void write_fundamental_marshal_to_abi(writer& w, fundamental_type type, std::string_view name)
{
switch (type)
{
case fundamental_type::String:
w.write("%.Handle", name);
break;
case fundamental_type::Boolean:
w.write("(byte)(% ? 1 : 0)", name);
break;
case fundamental_type::Char:
w.write("(ushort)%", name);
break;
default:
w.write("%", name);
break;
}
}
void write_fundamental_marshal_from_abi(writer& w, fundamental_type type, std::string_view name, bool is_boxed = false)
{
if (type == fundamental_type::String)
{
w.write(R"(MarshalString.FromAbi(%))", name);
}
else if (type == fundamental_type::Boolean)
{
w.write(is_boxed ? "((byte)(object)% != 0)" : "(% != 0)", name);
}
else if (type == fundamental_type::Char)
{
w.write(is_boxed ? "(char)(ushort)(object)%" : "(char)%", name);
}
else if (is_boxed)
{
w.write("(%)(object)%", bind<write_fundamental_type>(type), name);
}
else
{
w.write("%", name);
}
}
void write_class_modifiers(writer& w, TypeDef const& type)
{
if (is_static(type))
{
w.write("static ");
return;
}
if (type.Flags().Sealed())
{
w.write("sealed ");
}
}
void write_method(writer& w, method_signature signature, std::string_view method_name,
std::string_view return_type, std::string_view method_target,
std::string_view access_spec = ""sv, std::string_view method_spec = ""sv,
std::string_view platform_attribute = ""sv)
{
w.write(R"(
%%%% %(%) => %.%(%);
)",
platform_attribute,
access_spec,
method_spec,
return_type,
method_name,
bind_list<write_projection_parameter>(", ", signature.params()),
method_target,
method_name,
bind_list<write_parameter_name_with_modifier>(", ", signature.params())
);
}
void write_explicitly_implemented_method_for_abi(writer& w, MethodDef const& method,
std::string_view return_type, TypeDef const& method_interface, std::string_view method_target)
{
method_signature signature{ method };
w.write(R"(
% %.%(%) => %.%(%);
)",
return_type,
bind<write_type_name>(method_interface, typedef_name_type::CCW, false),
method.Name(),
bind_list<write_projection_parameter>(", ", signature.params()),
method_target,
method.Name(),
bind_list<write_parameter_name_with_modifier>(", ", signature.params())
);
}
auto method_signature_equal(writer& w, MethodDef const& first, MethodDef const& second)
{
method_signature signature_first{ first };
method_signature signature_second{ second };
if (size(signature_first.params()) != size(signature_second.params()))
{
return false;
}
auto first_method_return_type = w.write_temp("%", bind<write_projection_return_type>(signature_first));
auto second_method_return_type = w.write_temp("%", bind<write_projection_return_type>(signature_second));
if (first_method_return_type != second_method_return_type)
{
return false;
}
auto first_method_parameters = w.write_temp("%", bind_list<write_projection_parameter>(", ", signature_first.params()));
auto second_method_parameters = w.write_temp("%", bind_list<write_projection_parameter>(", ", signature_second.params()));
return first_method_parameters == second_method_parameters;
}
void write_non_projected_type(writer& w, TypeDef const& type)
{
writer::write_generic_type_name_guard g(w, [&](writer& w, uint32_t index)
{
write_projection_type_for_name_type(w, w.get_generic_arg_scope(index).first, typedef_name_type::NonProjected);
});
w.write("%", bind<write_type_name>(type, typedef_name_type::NonProjected, false));
}
auto is_implemented_as_private_method(writer& w, TypeDef const& class_type, MethodDef const& interface_method)
{
auto interface_method_name = w.write_temp(
"%.%",
bind<write_non_projected_type>(interface_method.Parent()),
interface_method.Name());
for (auto&& class_method : class_type.MethodList())
{
if (class_method.Flags().Access() == MemberAccess::Private &&
class_method.Name() == interface_method_name &&
method_signature_equal(w, class_method, interface_method))
{
return true;
}
}
return false;
}
auto is_implemented_as_private_mapped_interface(writer& w, TypeDef const& class_type, TypeDef const& interface_type)
{
// Assume as long as one member of the custom mapped interface is implemented as a private member,
// that the entire interface is implemented as an explicit implementation.
if (size(interface_type.MethodList()) != 0)
{
return is_implemented_as_private_method(w, class_type, interface_type.MethodList().first);
}
if (size(interface_type.PropertyList()) != 0)
{
auto [getter, _] = get_property_methods(interface_type.PropertyList().first);
return is_implemented_as_private_method(w, class_type, getter);
}
if (size(interface_type.EventList()) != 0)
{
auto [add, _] = get_event_methods(interface_type.EventList().first);
return is_implemented_as_private_method(w, class_type, add);
}
return false;
}
void write_class_method(writer& w, MethodDef const& method, TypeDef const& class_type,
bool is_overridable, bool is_protected, std::string_view interface_member, std::string_view platform_attribute)
{
if (method.SpecialName())
{
return;
}
auto access_spec = is_protected || is_overridable ? "protected " : "public ";
std::string method_spec = "";
// If this interface is overridable but the type is sealed, don't mark the member as virtual.
// The C# compiler errors out about declaring a virtual member in a sealed class.
if (is_overridable && !class_type.Flags().Sealed())
{