forked from enlightenment/efl
189 lines
6.9 KiB
C++
189 lines
6.9 KiB
C++
#ifndef EOLIAN_CXX_FUNCTION_DEFINITION_HH
|
|
#define EOLIAN_CXX_FUNCTION_DEFINITION_HH
|
|
|
|
#include "grammar/generator.hpp"
|
|
#include "grammar/klass_def.hpp"
|
|
|
|
#include "grammar/string.hpp"
|
|
#include "grammar/indentation.hpp"
|
|
#include "grammar/list.hpp"
|
|
#include "grammar/alternative.hpp"
|
|
#include "grammar/type.hpp"
|
|
#include "grammar/parameter.hpp"
|
|
#include "grammar/function_declaration.hpp"
|
|
#include "grammar/converting_argument.hpp"
|
|
#include "grammar/case.hpp"
|
|
#include "grammar/keyword.hpp"
|
|
#include "grammar/attribute_conditional.hpp"
|
|
#include "grammar/attribute_reorder.hpp"
|
|
#include "grammar/type_impl.hpp"
|
|
#include "grammar/eps.hpp"
|
|
|
|
namespace efl { namespace eolian { namespace grammar {
|
|
|
|
struct function_definition_generator
|
|
{
|
|
function_definition_generator(attributes::klass_name const& name)
|
|
: _klass_name(name)
|
|
{}
|
|
|
|
template <typename OutputIterator, typename Context>
|
|
bool generate(OutputIterator sink, attributes::function_def const& f, Context const& ctx) const
|
|
{
|
|
std::string suffix;
|
|
switch(_klass_name.type)
|
|
{
|
|
case attributes::class_type::regular:
|
|
case attributes::class_type::abstract_:
|
|
suffix = "CLASS";
|
|
break;
|
|
case attributes::class_type::mixin:
|
|
suffix = "MIXIN";
|
|
break;
|
|
case attributes::class_type::interface_:
|
|
suffix = "INTERFACE";
|
|
break;
|
|
}
|
|
|
|
if(f.is_beta &&
|
|
!as_generator("#ifdef " << *(string << "_") << string << "_BETA\n")
|
|
.generate(sink, std::make_tuple(_klass_name.namespaces, _klass_name.eolian_name), add_upper_case_context(ctx)))
|
|
return false;
|
|
if(f.is_protected &&
|
|
!as_generator("#ifdef " << *(string << "_") << string << "_PROTECTED\n")
|
|
.generate(sink, std::make_tuple(_klass_name.namespaces, _klass_name.eolian_name), add_upper_case_context(ctx)))
|
|
return false;
|
|
|
|
std::string template_statement(f.template_statement());
|
|
if (!template_statement.empty() &&
|
|
!as_generator(template_statement << "\n")
|
|
.generate(sink, attributes::unused, ctx))
|
|
return false;
|
|
|
|
if(!as_generator
|
|
("inline ::efl::eolian::return_traits<" << grammar::type(true) << ">::type " << string << "::" << string << "(" << (parameter % ", ") << ") const\n{\n")
|
|
.generate(sink, std::make_tuple(f.return_type, _klass_name.eolian_name, escape_keyword(f.name), f.parameters), ctx))
|
|
return false;
|
|
|
|
std::vector<std::string> opening_statements(f.opening_statements());
|
|
if (!opening_statements.empty() &&
|
|
!as_generator(scope_tab << *(string) << "\n")
|
|
.generate(sink, std::make_tuple(opening_statements), ctx))
|
|
return false;
|
|
|
|
auto out_declaration =
|
|
attribute_conditional([] (attributes::parameter_def const& p) -> bool
|
|
{ return p.direction == attributes::parameter_direction::out; })
|
|
[
|
|
attribute_reorder<1, 2>
|
|
(scope_tab <<
|
|
(attribute_conditional([] (attributes::type_def const& p) -> bool
|
|
{ return p != attributes::void_; })
|
|
[c_type] | "void*")
|
|
<< " __out_param_" << string << " = {};\n")
|
|
]
|
|
| attribute_conditional([] (attributes::parameter_def const& p) -> bool
|
|
{ return p.direction == attributes::parameter_direction::inout; })
|
|
[
|
|
attribute_reorder<1, 2, 1, 1, 2>
|
|
(scope_tab <<
|
|
(attribute_conditional([] (attributes::type_def const& p) -> bool
|
|
{ return p != attributes::void_; })
|
|
[c_type] | "void*")
|
|
<< " __out_param_" << string << " = ::efl::eolian::convert_inout<" << c_type
|
|
<< ", " << type << ">(" << string << ");\n")
|
|
]
|
|
| eps
|
|
;
|
|
if(!as_generator(*(out_declaration))
|
|
.generate(sink, f.parameters, ctx)) return false;
|
|
|
|
if(!as_generator(scope_tab).generate(sink, attributes::unused, ctx)) return false;
|
|
|
|
if(f.return_type != attributes::void_
|
|
&& !as_generator(attributes::c_type({attributes::parameter_direction::in, f.return_type, ""})
|
|
<< " __return_value = "
|
|
).generate(sink, attributes::unused, ctx)) return false;
|
|
|
|
if(!as_generator
|
|
(" ::" << string << "(this->_eo_ptr()"
|
|
<<
|
|
*(
|
|
"\n" << scope_tab << scope_tab << ", "
|
|
<<
|
|
(
|
|
attribute_conditional([] (attributes::parameter_def const& p)
|
|
{ return p.direction == attributes::parameter_direction::in; })
|
|
[converting_argument]
|
|
| ("& __out_param_" << attribute_reorder<2>(string))
|
|
)
|
|
)
|
|
<< ");\n"
|
|
).generate(sink, std::make_tuple(f.c_name, f.parameters), ctx))
|
|
return false;
|
|
|
|
auto out_assignments =
|
|
attribute_conditional([] (attributes::parameter_def const& p) -> bool
|
|
{ return p.direction != attributes::parameter_direction::in; })
|
|
[
|
|
attribute_reorder<-1, 1, 1, 2, 2>
|
|
(
|
|
scope_tab << "::efl::eolian::assign_out<" << parameter_type << ", " << c_type
|
|
<<
|
|
(
|
|
attribute_conditional([] (attributes::type_def const& typ)
|
|
{ return typ.original_type.visit(attributes::get_qualifier_visitor{}) & qualifier_info::is_own; })
|
|
[
|
|
", true"
|
|
] | eps
|
|
)
|
|
<< ">(" << string << ", __out_param_" << string << ");\n"
|
|
)
|
|
]
|
|
| eps
|
|
;
|
|
if(!as_generator(*(out_assignments))
|
|
.generate(sink, f.parameters, ctx)) return false;
|
|
|
|
if(f.return_type != attributes::void_
|
|
&& !as_generator(scope_tab << "return ::efl::eolian::convert_to_return< ::efl::eolian::return_traits<"
|
|
<< type(true) << ">::type>(__return_value);\n"
|
|
).generate(sink, f.return_type, ctx)) return false;
|
|
|
|
if(!as_generator("}\n").generate(sink, attributes::unused, ctx))
|
|
return false;
|
|
|
|
if(f.is_beta &&
|
|
!as_generator("#endif\n").generate(sink, attributes::unused, ctx))
|
|
return false;
|
|
if(f.is_protected &&
|
|
!as_generator("#endif\n").generate(sink, attributes::unused, ctx))
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
attributes::klass_name _klass_name;
|
|
};
|
|
|
|
template <>
|
|
struct is_eager_generator<function_definition_generator> : std::true_type {};
|
|
template <>
|
|
struct is_generator<function_definition_generator> : std::true_type {};
|
|
|
|
namespace type_traits {
|
|
template <>
|
|
struct attributes_needed<function_definition_generator> : std::integral_constant<int, 1> {};
|
|
}
|
|
|
|
struct function_definition_terminal
|
|
{
|
|
function_definition_generator operator()(attributes::klass_name name) const
|
|
{
|
|
return function_definition_generator{name};
|
|
}
|
|
} const function_definition = {};
|
|
|
|
} } }
|
|
|
|
#endif
|