class GirFFI::Builders::CallbackReturnValueBuilder
Implements building post-processing statements for return values of callbacks.
Public Instance Methods
capture_variable_name()
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# File lib/gir_ffi/builders/callback_return_value_builder.rb, line 13 def capture_variable_name @capture_variable_name ||= new_variable if relevant? end
has_post_conversion?()
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# File lib/gir_ffi/builders/callback_return_value_builder.rb, line 41 def has_post_conversion? relevant? && needs_ruby_to_c_conversion? end
needs_ruby_to_c_conversion?()
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# File lib/gir_ffi/builders/callback_return_value_builder.rb, line 45 def needs_ruby_to_c_conversion? type_info.needs_ruby_to_c_conversion_for_callbacks? end
post_conversion()
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# File lib/gir_ffi/builders/callback_return_value_builder.rb, line 29 def post_conversion if has_post_conversion? if type_info.flattened_tag == :object ["#{post_converted_name} = #{post_convertor.conversion}.to_ptr"] else ["#{post_converted_name} = #{post_convertor.conversion}"] end else [] end end
post_converted_name()
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# File lib/gir_ffi/builders/callback_return_value_builder.rb, line 17 def post_converted_name @post_converted_name ||= if has_post_conversion? new_variable else capture_variable_name end end
relevant?()
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# File lib/gir_ffi/builders/callback_return_value_builder.rb, line 9 def relevant? !void_return_value? && !arginfo.skip? end
return_value_name()
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# File lib/gir_ffi/builders/callback_return_value_builder.rb, line 25 def return_value_name post_converted_name if has_return_value_name? end
Private Instance Methods
has_return_value_name?()
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# File lib/gir_ffi/builders/callback_return_value_builder.rb, line 67 def has_return_value_name? relevant? && !array_arg end
post_convertor()
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# File lib/gir_ffi/builders/callback_return_value_builder.rb, line 51 def post_convertor @post_convertor ||= RubyToCConvertor.new(type_info, post_convertor_argument) end
post_convertor_argument()
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# File lib/gir_ffi/builders/callback_return_value_builder.rb, line 55 def post_convertor_argument if ownership_transfer == :everything && specialized_type_tag == :object "#{capture_variable_name}.ref" else capture_variable_name end end
void_return_value?()
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# File lib/gir_ffi/builders/callback_return_value_builder.rb, line 63 def void_return_value? specialized_type_tag == :void && !type_info.pointer? end