Class: GirFFI::Builders::ConstructorBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/gir_ffi/builders/constructor_builder.rb

Overview

Implements the creation of a Ruby constructor definition out of a GIR IFunctionInfo. TODO: Derive from BaseMethodBuilder

Instance Method Summary collapse

Constructor Details

#initialize(info) ⇒ ConstructorBuilder

Returns a new instance of ConstructorBuilder.



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# File 'lib/gir_ffi/builders/constructor_builder.rb', line 13

def initialize(info)
  @info = info
  return_value_builder = NullReturnValueBuilder.new
  arg_builders = ArgumentBuilderCollection.new(return_value_builder, [])
  @template = MethodTemplate.new(self, arg_builders)
end

Instance Method Details

#invocation ⇒ Object 



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# File 'lib/gir_ffi/builders/constructor_builder.rb', line 47

def invocation
  "obj.__send__ #{initializer_name.to_sym.inspect}, #{method_arguments.join(', ')}"
end

#method_arguments ⇒ Object 



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# File 'lib/gir_ffi/builders/constructor_builder.rb', line 32

def method_arguments
  ["*args", "&block"]
end

#method_definition ⇒ Object 



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# File 'lib/gir_ffi/builders/constructor_builder.rb', line 20

def method_definition
  @template.method_definition
end

#method_name ⇒ Object 



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# File 'lib/gir_ffi/builders/constructor_builder.rb', line 28

def method_name
  @info.safe_name
end

#preparation ⇒ Object 



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# File 'lib/gir_ffi/builders/constructor_builder.rb', line 36

def preparation
  if @info.safe_name == "new"
    ["obj = allocate"]
  else
    [
      "raise NoMethodError unless self == #{@info.container.full_type_name}",
      "obj = allocate"
    ]
  end
end

#result ⇒ Object 



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# File 'lib/gir_ffi/builders/constructor_builder.rb', line 51

def result
  ["obj"]
end

#singleton_method? ⇒ Boolean

Returns:



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# File 'lib/gir_ffi/builders/constructor_builder.rb', line 24

def singleton_method?
  true
end