Module: Furnace::AVM2::Tokens::TokenWithTraits

Included in:
ClassToken, ScriptToken
Defined in:
lib/furnace-avm2/source/declaration_tokens/token_with_traits.rb

Instance Method Summary collapse

Instance Method Details

#transform_trait(trait, options) ⇒ Object 



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# File 'lib/furnace-avm2/source/declaration_tokens/token_with_traits.rb', line 51

def transform_trait(trait, options)
  case trait.kind
  when :Method
    MethodToken.new(trait, options)
  when :Getter
    MethodToken.new(trait, options.merge(type: :getter))
  when :Setter
    MethodToken.new(trait, options.merge(type: :setter))
  when :Slot
    SlotToken.new(trait, options.merge(const: false))
  when :Const
    SlotToken.new(trait, options.merge(const: true))
  when :Class
    # nothing
  else
    CommentToken.new(trait, "%%#{trait.kind}", options)
  end
end

#transform_traits(origin, options) ⇒ Object 



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# File 'lib/furnace-avm2/source/declaration_tokens/token_with_traits.rb', line 3

def transform_traits(origin, options)
  tokens = []

  vars, methods = origin.traits.partition do |trait|
    [:Class, :Slot, :Const].include? trait.kind
  end

  if options[:environment] == :class && options[:static]
    if origin.initializer_body
      initializer_decompiler = Furnace::AVM2::Decompiler.new(
            origin.initializer_body, options.merge(global_code: true))

      begin
        properties = initializer_decompiler.decompose_static_initializer
      rescue Exception => e
        # This error will be caught when decompiling the rest of the
        # static initializer code. Ignore it here.
      end

      static_initialization = initializer_decompiler.decompile

      options = options.merge(property_values: properties)
    end
  end

  tokens += vars.map { |trait| transform_trait trait, options }

  if tokens.any?
    tokens << Furnace::Code::NewlineToken.new(origin, options)
  end

  if static_initialization && static_initialization.children.any?
    tokens << CommentToken.new(origin,
                "Method ##{origin.initializer_body.method_idx}",
              options) if options[:debug_funids]
    tokens << static_initialization
    tokens << Furnace::Code::NewlineToken.new(origin, options)
  end

  if options[:environment] == :class && !options[:static]
    tokens << ConstructorToken.new(origin, options)
  end

  tokens += methods.map { |trait| transform_trait trait, options }

  tokens
end