Class: FFI::VariadicInvoker

Inherits:
Object show all
Defined in:
lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/ffi-1.15.5/lib/ffi/variadic.rb

Instance Method Summary collapse

Instance Method Details

#attach(mod, mname) ⇒ Object

Attach the invoker to module mod as mname



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# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/ffi-1.15.5/lib/ffi/variadic.rb', line 53

def attach(mod, mname)
  invoker = self
  params = "*args"
  call = "call"
  mod.module_eval <<-code
  @@#{mname} = invoker
  def self.#{mname}(#{params})
    @@#{mname}.#{call}(#{params})
  end
  def #{mname}(#{params})
    @@#{mname}.#{call}(#{params})
  end
  code
  invoker
end

#call(*args, &block) ⇒ Object 



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# File 'lib/rubypitaya/app-template/vendor/bundle/ruby/3.1.0/gems/ffi-1.15.5/lib/ffi/variadic.rb', line 35

def call(*args, &block)
  param_types = Array.new(@fixed)
  param_values = Array.new
  @fixed.each_with_index do |t, i|
    param_values << args[i]
  end
  i = @fixed.length
  while i < args.length
    param_types << FFI.find_type(args[i], @type_map)
    param_values << args[i + 1]
    i += 2
  end
  invoke(param_types, param_values, &block)
end