class GirFFI::Builders::ReturnValueBuilder

Implements building post-processing statements for return values.

Public Instance Methods

capture_variable_name() click to toggle source
# File lib/gir_ffi/builders/return_value_builder.rb, line 13
def capture_variable_name
  @capture_variable_name ||= new_variable if relevant?
end
post_conversion() click to toggle source
# File lib/gir_ffi/builders/return_value_builder.rb, line 29
def post_conversion
  if has_post_conversion?
    ["#{post_converted_name} = #{post_convertor.conversion}"]
  else
    []
  end
end
post_converted_name() click to toggle source
# File lib/gir_ffi/builders/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?() click to toggle source
# File lib/gir_ffi/builders/return_value_builder.rb, line 9
def relevant?
  !void_return_value? && !arginfo.skip?
end
return_value_name() click to toggle source
# File lib/gir_ffi/builders/return_value_builder.rb, line 25
def return_value_name
  post_converted_name if has_return_value_name?
end

Private Instance Methods

has_post_conversion?() click to toggle source
# File lib/gir_ffi/builders/return_value_builder.rb, line 39
def has_post_conversion?
  closure? || type_info.needs_c_to_ruby_conversion_for_functions?
end
has_return_value_name?() click to toggle source
# File lib/gir_ffi/builders/return_value_builder.rb, line 61
def has_return_value_name?
  relevant? && !array_arg
end
length_argument_name() click to toggle source
# File lib/gir_ffi/builders/return_value_builder.rb, line 53
def length_argument_name
  length_arg && length_arg.post_converted_name
end
post_convertor() click to toggle source
# File lib/gir_ffi/builders/return_value_builder.rb, line 43
def post_convertor
  @post_convertor ||= if closure?
                        ClosureConvertor.new(capture_variable_name)
                      else
                        CToRubyConvertor.new(type_info,
                                             capture_variable_name,
                                             length_argument_name)
                      end
end
void_return_value?() click to toggle source
# File lib/gir_ffi/builders/return_value_builder.rb, line 57
def void_return_value?
  specialized_type_tag == :void && !type_info.pointer?
end