Module: Puppet::Pops::Evaluator::CallableMismatchDescriber Private

Defined in:
lib/puppet/pops/evaluator/callable_mismatch_describer.rb

This module is part of a private API. You should avoid using this module if possible, as it may be removed or be changed in the future.

Class Method Summary collapse

Class Method Details

.diff_string(name, args_type, supported_signatures) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Produces a string with the difference between the given arguments and support signature(s).

Parameters:

  • name (String) —

    The name of the callable to describe

  • args_type (Puppet::Pops::Types::Tuple) —

    The tuple of argument types.

  • supported_signatures (Array<Puppet::Pops::Types::Callable>) —

    The available signatures that were available for calling.



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# File 'lib/puppet/pops/evaluator/callable_mismatch_describer.rb', line 10

def self.diff_string(name, args_type, supported_signatures)
  result = [ ]
  if supported_signatures.size == 1
    signature = supported_signatures[0]
    params_type  = signature.type.param_types
    block_type   = signature.type.block_type
    params_names = signature.parameter_names
    result << "expected:\n  #{name}(#{signature_string(signature)}) - #{arg_count_string(signature.type)}"
  else
    result << "expected one of:\n"
    result << supported_signatures.map do |signature|
      params_type = signature.type.param_types
      "  #{name}(#{signature_string(signature)}) - #{arg_count_string(signature.type)}"
    end.join("\n")
  end

  result << "\nactual:\n  #{name}(#{arg_types_string(args_type)}) - #{arg_count_string(args_type)}"

  result.join('')
end