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#ifndef EOLIAN_MONO_HELPERS_HH
#define EOLIAN_MONO_HELPERS_HH
#include "grammar/klass_def.hpp"
#include "blacklist.hh"
#include "generation_contexts.hh"
#include "name_helpers.hh"
namespace eolian_mono {
namespace helpers {
/* General helpers, not related directly with generating strings (those go in the name_helpers.hh). */
namespace attributes = efl::eolian::grammar::attributes;
inline bool need_struct_conversion(attributes::regular_type_def const* regular)
{
return regular && regular->is_struct() && !blacklist::is_struct_blacklisted(*regular);
}
inline bool need_struct_conversion(attributes::parameter_def const& param, attributes::regular_type_def const* regular)
{
if (param.direction == attributes::parameter_direction::in && param.type.has_own)
return false;
return need_struct_conversion(regular);
}
inline bool need_struct_conversion_in_return(attributes::type_def const& ret_type, attributes::parameter_direction const& direction)
{
auto regular = efl::eina::get<attributes::regular_type_def>(&ret_type.original_type);
if (!regular->is_struct())
return false;
if (regular->is_struct() && (direction == attributes::parameter_direction::out || direction == attributes::parameter_direction::unknown))
return false;
if (ret_type.has_own)
return false;
return true;
}
inline bool need_pointer_conversion(attributes::regular_type_def const* regular)
{
if (!regular)
return false;
if (regular->is_enum()
|| (regular->is_struct() && name_helpers::type_full_eolian_name(*regular) != "Eina.Binbuf")
)
return true;
std::set<std::string> const types {
"bool", "char"
, "byte" , "short" , "int" , "long" , "llong" , "int8" , "int16" , "int32" , "int64" , "ssize"
, "ubyte", "ushort", "uint", "ulong", "ullong", "uint8", "uint16", "uint32", "uint64", "size"
, "ptrdiff"
, "float", "double"
};
if (types.find(regular->base_type) != types.end())
return true;
return false;
}
// While klass_def has immediate_inherits, we need a way to get all interfaces inherited by an interface
// either directly or through another interface.
std::set<attributes::klass_name, attributes::compare_klass_name_by_name> interface_inherits(attributes::klass_def const& cls)
{
std::set<attributes::klass_name, attributes::compare_klass_name_by_name> inherits;
std::function<void(attributes::klass_name const&)> inherit_algo =
[&] (attributes::klass_name const& klass)
{
// TODO we could somehow cache klass_def instantiations
attributes::klass_def c(get_klass(klass, cls.unit), cls.unit);
for(auto&& inherit : c.immediate_inherits)
{
switch(inherit.type)
{
case attributes::class_type::mixin:
case attributes::class_type::interface_:
inherits.insert(inherit);
inherit_algo(inherit);
break;
case attributes::class_type::regular:
case attributes::class_type::abstract_:
inherit_algo(inherit);
default:
break;
}
}
};
inherit_algo(get_klass_name(cls));
return inherits;
}
// Returns the set of interfaces implemented by this type that haven't been implemented
// by a regular parent class.
template<typename Context>
std::set<attributes::klass_name, attributes::compare_klass_name_by_name> non_implemented_interfaces(attributes::klass_def const& cls, Context const& context)
{
auto options = efl::eolian::grammar::context_find_tag<options_context>(context);
std::set<attributes::klass_name, attributes::compare_klass_name_by_name> implemented_interfaces;
std::set<attributes::klass_name, attributes::compare_klass_name_by_name> interfaces;
std::function<void(attributes::klass_name const&, bool)> inherit_algo =
[&] (attributes::klass_name const& klass, bool is_implemented)
{
// TODO we could somehow cache klass_def instantiations
attributes::klass_def c(get_klass(klass, cls.unit), cls.unit);
for(auto&& inherit : c.immediate_inherits)
{
if (inherit.is_beta && !options.want_beta)
continue;
switch(inherit.type)
{
case attributes::class_type::mixin:
case attributes::class_type::interface_:
interfaces.insert(inherit);
if (is_implemented)
implemented_interfaces.insert(inherit);
inherit_algo(inherit, is_implemented);
break;
case attributes::class_type::abstract_:
case attributes::class_type::regular:
inherit_algo(inherit, true);
default:
break;
}
}
};
inherit_algo(get_klass_name(cls), false);
for (auto&& inherit : implemented_interfaces)
interfaces.erase(inherit);
return interfaces;
}
/*
* Determines whether this class has any regular ancestor or not
*/
bool has_regular_ancestor(attributes::klass_def const& cls)
{
auto inherits = cls.inherits;
std::function<bool(attributes::klass_name const&)> is_regular =
[&] (attributes::klass_name const& klass)
{
return klass.type == attributes::class_type::regular || klass.type == attributes::class_type::abstract_;
};
return std::any_of(inherits.begin(), inherits.end(), is_regular);
}
/*
* Sugar for checking if a given class in in the inheritance tree
*/
bool inherits_from(attributes::klass_def const& cls, std::string const& name)
{
return std::any_of(cls.inherits.begin(), cls.inherits.end(),
[&](attributes::klass_name const& inherit)
{
return name_helpers::klass_full_concrete_or_interface_name(inherit) == name;
});
}
/*
* Gets all methods that this class should implement (i.e. that come from an unimplemented interface/mixin and the class itself)
*/
template<typename Context>
std::vector<attributes::function_def> get_all_implementable_methods(attributes::klass_def const& cls, Context const& context)
{
bool want_beta = efl::eolian::grammar::context_find_tag<options_context>(context).want_beta;
std::vector<attributes::function_def> ret;
auto filter_beta = [&want_beta](attributes::function_def const& func) {
if (!want_beta)
return !func.is_beta;
else
return true;
};
std::copy_if(cls.functions.begin(), cls.functions.end(), std::back_inserter(ret), filter_beta);
// Non implemented interfaces
std::set<attributes::klass_name, attributes::compare_klass_name_by_name> implemented_interfaces;
std::set<attributes::klass_name, attributes::compare_klass_name_by_name> interfaces;
std::function<void(attributes::klass_name const&, bool)> inherit_algo =
[&] (attributes::klass_name const &klass, bool is_implemented)
{
attributes::klass_def c(get_klass(klass, cls.unit), cls.unit);
for (auto&& inherit: c.immediate_inherits)
{
switch(inherit.type)
{
case attributes::class_type::mixin:
case attributes::class_type::interface_:
interfaces.insert(inherit);
if (is_implemented)
implemented_interfaces.insert(inherit);
inherit_algo(inherit, is_implemented);
break;
case attributes::class_type::abstract_:
case attributes::class_type::regular:
inherit_algo(inherit, true);
default:
break;
}
}
};
inherit_algo(attributes::get_klass_name(cls), false);
for (auto&& inherit : implemented_interfaces)
interfaces.erase(inherit);
for (auto&& inherit : interfaces)
{
attributes::klass_def klass(get_klass(inherit, cls.unit), cls.unit);
std::copy_if(klass.functions.cbegin(), klass.functions.cend(), std::back_inserter(ret), filter_beta);
}
return ret;
}
template<typename Klass>
inline bool is_managed_interface(Klass const& klass)
{
return klass.type == attributes::class_type::interface_
|| klass.type == attributes::class_type::mixin;
}
/*
* Gets all methods that this class should register (i.e. that comes from it and non-public interface methods
* that this class is the first one implementing)
*/
template<typename Context>
std::vector<attributes::function_def> get_all_registerable_methods(attributes::klass_def const& cls, Context const& context)
{
std::vector<attributes::function_def> ret;
auto implementable_methods = get_all_implementable_methods(cls, context);
std::copy_if(implementable_methods.cbegin(), implementable_methods.cend(), std::back_inserter(ret)
, [&cls](attributes::function_def const & func) {
if (cls == func.klass)
return true;
if (is_managed_interface(func.klass) && func.is_static)
return true;
if (!is_managed_interface(func.klass) || func.scope != attributes::member_scope::scope_public)
return true;
return false;
});
return ret;
}
/*
* Checks whether the given is unique going up the inheritance tree from leaf_klass
*/
inline bool is_unique_event(attributes::event_def const& evt
, attributes::klass_def const& leaf_klass)
{
auto events = leaf_klass.get_all_events();
int i = 1;
return !std::any_of(events.cbegin(), events.cend(),
[&evt, &i](const attributes::event_def &other) {
return evt.name == other.name && i++ == 2;
});
}
inline std::vector<attributes::constructor_def> reorder_constructors(std::vector<attributes::constructor_def> constructors)
{
auto is_required = [](attributes::constructor_def const& ctr) { return !ctr.is_optional; };
std::stable_partition(constructors.begin(), constructors.end(), is_required);
return constructors;
}
} // namespace helpers
} // namespace eolian_mono
#endif
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