Method: Fable::NativeFunctionCall#call!

Defined in:
lib/fable/native_function_call.rb

#call!(parameters) ⇒ Object 



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# File 'lib/fable/native_function_call.rb', line 102

def call!(parameters)
  if parameters.size != self.number_of_parameters
    raise StoryError, "Unexpected number of parameters"
  end

  has_list = false

  parameters.each do |parameter|
    case parameter
    when Void
      raise StoryError, "Attempting to perform operation on a void value. Did you forget to 'return' a value from a function you called here?"
    when ListValue
      has_list = true
    end
  end

  # Binary operations on lists are treated outside of the standard coercion rules
  if parameters.size == 2 && has_list
    return call_binary_list_operation(parameters)
  end

  coerced_parameters = coerce_values_to_single_type(parameters)

  return underlying_function_call(coerced_parameters)
end