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#ifndef EOLIAN_CXX_STD_INHERITANCE_GENERATOR_HH
#define EOLIAN_CXX_STD_INHERITANCE_GENERATOR_HH
#include <iosfwd>
#include <cassert>
#include <algorithm>
#include "eo_types.hh"
#include "tab.hh"
#include "parameters_generator.hh"
#include "eo_class_functions_generator.hh"
namespace efl { namespace eolian { namespace grammar {
inline std::string
_ns_as_prefix(eo_class const& cls)
{
// XXX Use eolian_cxx::find_replace() instead.
std::string s = cls.name_space;
std::string::size_type found = s.find("::");
while (found != std::string::npos)
{
s.replace(found, 2, "_");
found = s.find("::");
}
return s;
}
struct inheritance_operation
{
eo_class const& _cls;
eo_function const& _func;
functions_container_type::size_type _idx;
inheritance_operation(eo_class const& cls, eo_function const& func, functions_container_type::size_type idx)
: _cls(cls), _func(func), _idx(idx)
{}
};
inline std::ostream&
operator<<(std::ostream& out, inheritance_operation const& x)
{
assert(x._idx < x._cls.functions.size());
eo_function const& func = x._func;
out << tab(1)
<< "ops[" << x._idx << "].func = reinterpret_cast<void*>(& ::"
<< _ns_as_prefix(x._cls) << "_"
<< x._cls.name << "_" << func.name << "_wrapper<T>);" << endl
<< tab(1) << "ops[" << x._idx << "].api_func = reinterpret_cast<void*>(& ::"
<< func.impl << ");" << endl
<< tab(1) << "ops[" << x._idx << "].op = EO_OP_OVERRIDE;" << endl
<< tab(1) << "ops[" << x._idx << "].op_type = EO_OP_TYPE_REGULAR;" << endl // XXX class ops
<< tab(1) << "ops[" << x._idx << "].doc = NULL;" << endl
<< endl;
return out;
}
struct inheritance_operations_description
{
eo_class const& _cls;
inheritance_operations_description(eo_class const& cls)
: _cls(cls)
{}
};
inline std::ostream&
operator<<(std::ostream& out, inheritance_operations_description const& x)
{
std::string s;
out << "template <typename T>"
<< endl << "int initialize_operation_description(::efl::eo::detail::tag<"
<< full_name(x._cls) << ">" << endl
<< tab(11)
<< ", Eo_Op_Description* ops)" << endl
<< "{" << endl
<< tab(1) << "(void)ops;" << endl;
auto funcs = x._cls.functions;
auto part = std::stable_partition(funcs.begin(), funcs.end(), [](eo_function const& f){ return f.scope == eolian_scope::public_; });
functions_container_type::size_type op_idx = 0;
for (auto it = funcs.begin(); it != part; ++it, ++op_idx)
{
out << inheritance_operation(x._cls, *it, op_idx);
}
if (part != funcs.end())
{
out << scope_guard_head(x._cls, *part);
for (auto it = part; it != funcs.end(); ++it, ++op_idx)
out << inheritance_operation(x._cls, *it, op_idx);
out << scope_guard_tail(x._cls, *part);
}
for (std::string const& parent : x._cls.parents)
{
out << tab(1)
<< "initialize_operation_description<T>(::efl::eo::detail::tag<::"
<< parent << ">(), &ops[operation_description_class_size< "
<< full_name(x._cls) << " >::value" << s << "]);" << endl;
s += " + operation_description_class_size<::" + parent + ">::value";
}
out << tab(1) << "return 0;" << endl
<< "}" << endl;
return out;
}
struct inheritance_wrappers
{
eo_class const& _cls;
inheritance_wrappers(eo_class const& cls) : _cls(cls) {}
};
inline std::ostream&
operator<<(std::ostream& out, inheritance_wrappers const& x)
{
functions_container_type::const_iterator it,
first = x._cls.functions.begin(),
last = x._cls.functions.end();
for (it = first; it != last; ++it)
{
eo_function const& func = *it;
out << scope_guard_head(x._cls, func);
out << "template <typename T>" << endl
<< reinterpret_type(func.ret) << " "
<< _ns_as_prefix(x._cls) << "_"
<< x._cls.name << "_" << func.name
<< "_wrapper(Eo* objid EINA_UNUSED, "
<< "::efl::eo::detail::Inherit_Private_Data* self"
<< (func.params.size() ? ", " : "")
<< parameters_c_declaration(func.params)
<< ")" << endl
<< "{" << endl;
if (!function_is_void(func))
out << tab(1) << reinterpret_type(func.ret) << " _tmp_ret{};" << endl;
out << tab(1)
<< "try" << endl
<< tab(2) << "{" << endl
<< tab(3)
<< (!function_is_void(func) ? "_tmp_ret = ": "")
<< "static_cast<T*>(self->this_)->"
<< func.name << "(" << parameters_cxx_list(func.params) << ");" << endl
<< tab(2) << "}" << endl
<< tab(1) << "catch (...)" << endl
<< tab(2) << "{" << endl
<< tab(3) << "eina_error_set( ::efl::eina::unknown_error() );" << endl
<< tab(2) << "}" << endl;
if (!function_is_void(func))
out << tab(1) << "return _tmp_ret;" << endl;
out << "}" << endl;
out << scope_guard_tail(x._cls, func) << endl;
}
return out;
}
struct inheritance_base_operations_size
{
eo_class const& _cls;
functions_container_type const& _funcs;
inheritance_base_operations_size(eo_class const& cls, functions_container_type const& funcs)
: _cls(cls), _funcs(funcs)
{}
};
inline std::ostream&
operator<<(std::ostream& out, inheritance_base_operations_size const& x)
{
out << "template<>"
<< endl << "struct operation_description_class_size< "
<< full_name(x._cls) << " >" << endl
<< "{" << endl
<< tab(1) << "static constexpr int value = "
<< x._funcs.size();
for (std::string const& parent : x._cls.parents)
{
out << " + operation_description_class_size<::" << parent << " >::value";
}
out << ";" << endl
<< "};" << endl
<< endl;
return out;
}
struct inheritance_base_operations_size_scopes
{
eo_class const& _cls;
inheritance_base_operations_size_scopes(eo_class const& cls)
: _cls(cls)
{}
};
inline std::ostream&
operator<<(std::ostream& out, inheritance_base_operations_size_scopes const& x)
{
auto funcs = x._cls.functions;
auto part = std::stable_partition(funcs.begin(), funcs.end(), [](eo_function const& f){ return f.scope == eolian_scope::public_; });
out << "#ifdef " << name_upper(x._cls) << "_PROTECTED" << endl
<< inheritance_base_operations_size(x._cls, funcs)
<< "#else" << endl
<< inheritance_base_operations_size(x._cls, {funcs.begin(), part})
<< "#endif" << endl << endl;
return out;
}
struct inheritance_base_operations_extensions
{
eo_class const& _cls;
inheritance_base_operations_extensions(eo_class const& cls)
: _cls(cls)
{}
};
inline std::ostream&
operator<<(std::ostream& out, inheritance_base_operations_extensions const& x)
{
eo_class const& cls = x._cls;
ancestors_container_type::const_iterator it, first = cls.parents.begin();
ancestors_container_type::const_iterator last = cls.parents.end();
for (it = first; it != last; ++it)
{
out << endl
<< tab(3) << (it == first ? ": " : ", ")
<< "virtual operations< ::" << *it
<< " >::template type<T>";
}
return out << endl;
}
struct inheritance_base_operations_function
{
eo_class const& _cls;
eo_function const& _func;
inheritance_base_operations_function(eo_class const& cls, eo_function const& func)
: _cls(cls) , _func(func)
{}
};
inline std::ostream&
operator<<(std::ostream& out, inheritance_base_operations_function const& x)
{
eo_function const& func = x._func;
bool is_void = function_is_void(func);
if (parameters_count_callbacks(func.params))
out << template_parameters_declaration(func.params, 2) << tab(2);
else
out << tab(2) << "virtual ";
out << reinterpret_type(func.ret) << " "
<< func.name << "("
<< parameters_declaration(func.params) << ")" << endl
<< tab(2) << "{" << endl;
if (!is_void)
out << tab(3) << func.ret.front().native << " _tmp_ret = {};" << endl;
out << callbacks_heap_alloc("dynamic_cast<T*>(this)->_eo_ptr()", func.params, function_is_static(x._func), 3)
<< endl;
out << tab(3)
<< "eo_do_super(dynamic_cast<T*>(this)->_eo_ptr()," << endl
<< tab(5) << "dynamic_cast<T*>(this)->_eo_class()," << endl
<< tab(5) << function_call(func) << ");" << endl;
if (!is_void)
out << tab(4) << "return " << to_cxx(func.ret, "_tmp_ret") << ";" << endl;
return out << tab(2) << "}" << endl;
}
struct inheritance_base_operations
{
eo_class const& _cls;
inheritance_base_operations(eo_class const& cls) : _cls(cls) {}
};
inline std::ostream&
operator<<(std::ostream& out, inheritance_base_operations const& x)
{
out << "template<>" << endl
<< "struct operations< "
<< full_name(x._cls) << " >" << endl
<< "{" << endl
<< tab(1) << "template <typename T>" << endl
<< tab(1) << "struct type" << inheritance_base_operations_extensions(x._cls)
<< tab(1) << "{" << endl;
functions_container_type::const_iterator it,
first = x._cls.functions.begin(),
last = x._cls.functions.end();
for (it = first; it != last; ++it)
{
out << scope_guard_head(x._cls, *it);
out << inheritance_base_operations_function(x._cls, *it);
out << scope_guard_tail(x._cls, *it) << endl;
}
out << tab(1) << "};" << endl
<< "};" << endl << endl;
return out;
}
struct inheritance_eo_class_getter
{
eo_class const& _cls;
inheritance_eo_class_getter(eo_class const& cls)
: _cls(cls)
{}
};
inline std::ostream&
operator<<(std::ostream& out, inheritance_eo_class_getter const& x)
{
out << "inline Eo_Class const* get_eo_class(tag<"
<< full_name(x._cls) << ">)" << endl
<< "{" << endl
<< tab(1) << "return (" << x._cls.eo_name << ");" << endl
<< "}" << endl << endl;
return out;
}
inline void
eo_inheritance_detail_generator(std::ostream& out, eo_class const& cls)
{
if(cls.eo_name != "EO_BASE_CLASS")
out << inheritance_wrappers(cls)
<< "namespace efl { namespace eo { namespace detail {" << endl << endl
<< inheritance_base_operations(cls) << endl
<< inheritance_base_operations_size_scopes(cls)
<< inheritance_operations_description(cls)
<< inheritance_eo_class_getter(cls)
<< "} } }" << endl;
}
} } } // namespace efl { namespace eolian { namespace grammar {
#endif // EOLIAN_CXX_STD_INHERITANCE_GENERATOR_HH
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