class GirFFI::Builders::CallbackBuilder

Implements the creation of a callback type. The type will be attached to the appropriate namespace module, and will be defined as a callback for FFI.

Public Instance Methods

argument_ffi_types() click to toggle source
# File lib/gir_ffi/builders/callback_builder.rb, line 39
def argument_ffi_types
  @argument_ffi_types ||= @info.argument_ffi_types
end
callback_sym() click to toggle source
# File lib/gir_ffi/builders/callback_builder.rb, line 35
def callback_sym
  @classname.to_sym
end
klass() click to toggle source
# File lib/gir_ffi/builders/callback_builder.rb, line 23
def klass
  @klass ||= get_or_define_class namespace_module, @classname, CallbackBase
end
mapping_method_definition() click to toggle source
# File lib/gir_ffi/builders/callback_builder.rb, line 27
def mapping_method_definition
  return_value_info = ReturnValueInfo.new(info.return_type,
                                          info.caller_owns,
                                          info.skip_return?)
  MappingMethodBuilder.for_callback(info.args,
                                    return_value_info).method_definition
end
return_ffi_type() click to toggle source
# File lib/gir_ffi/builders/callback_builder.rb, line 43
def return_ffi_type
  @return_ffi_type ||= @info.return_ffi_type
end
setup_callback() click to toggle source
# File lib/gir_ffi/builders/callback_builder.rb, line 17
def setup_callback
  optionally_define_constant klass, :Callback do
    lib.callback callback_sym, argument_ffi_types, return_ffi_type
  end
end
setup_class() click to toggle source
# File lib/gir_ffi/builders/callback_builder.rb, line 11
def setup_class
  setup_callback
  setup_constants
  klass.class_eval mapping_method_definition
end