Contents

# frozen_string_literal: true

require "gir_ffi/return_value_info"
require "gir_ffi/builders/base_type_builder"
require "gir_ffi/builders/mapping_method_builder"
require "gir_ffi/receiver_type_info"
require "gir_ffi/receiver_argument_info"
require "gir_ffi/callback_base"

module GirFFI
  module Builders
    # Implements the creation of a class representing the implementation of a
    # vfunc. This class will be able to turn a proc into an FFI::Function that
    # can serve as such an implementation in C. The class will be namespaced
    # inside class defining the vfunc.
    class VFuncBuilder < BaseTypeBuilder
      def setup_class
        setup_constants
        klass.class_eval mapping_method_definition, __FILE__, __LINE__
      end

      def klass
        @klass ||= get_or_define_class container_class, @classname, CallbackBase
      end

      def mapping_method_definition
        receiver_info = ReceiverArgumentInfo.new receiver_type_info

        MappingMethodBuilder.for_vfunc(receiver_info, info).method_definition
      end

      def receiver_type_info
        ReceiverTypeInfo.new(container_info)
      end

      def container_class
        @container_class ||= Builder.build_class(container_info)
      end

      def container_info
        @container_info ||= info.container
      end

      def argument_ffi_types
        @argument_ffi_types ||= info.argument_ffi_types
          .unshift(receiver_type_info.to_callback_ffi_type)
      end

      def return_ffi_type
        @return_ffi_type ||= info.return_ffi_type
      end
    end
  end
end

Version data entries

13 entries across 13 versions & 1 rubygems

Version	Path
gir_ffi-0.18.0	lib/gir_ffi/builders/vfunc_builder.rb
gir_ffi-0.17.0	lib/gir_ffi/builders/vfunc_builder.rb
gir_ffi-0.16.1	lib/gir_ffi/builders/vfunc_builder.rb
gir_ffi-0.16.0	lib/gir_ffi/builders/vfunc_builder.rb
gir_ffi-0.15.9	lib/gir_ffi/builders/vfunc_builder.rb
gir_ffi-0.15.8	lib/gir_ffi/builders/vfunc_builder.rb
gir_ffi-0.15.7	lib/gir_ffi/builders/vfunc_builder.rb
gir_ffi-0.15.6	lib/gir_ffi/builders/vfunc_builder.rb
gir_ffi-0.15.5	lib/gir_ffi/builders/vfunc_builder.rb
gir_ffi-0.15.4	lib/gir_ffi/builders/vfunc_builder.rb
gir_ffi-0.15.3	lib/gir_ffi/builders/vfunc_builder.rb
gir_ffi-0.15.2	lib/gir_ffi/builders/vfunc_builder.rb
gir_ffi-0.15.1	lib/gir_ffi/builders/vfunc_builder.rb