module ArchSpec::Rules::ProtocolEvidence

# File lib/archspec/rules/protocol_rules.rb, line 251
def constants_for(graph, source)
  component = graph.components[source]
  return [] unless component

  graph.constants_for_component(source).select(&:class?).uniq(&:name)
end

# File lib/archspec/rules/protocol_rules.rb, line 258
def for(constant, methods, unresolved, scope: :instance)
  label = scope == :class ? 'class methods' : 'methods'
  evidence = "#{constant.name} #{label}: #{methods.empty? ? '(none)' : methods.to_a.sort.join(', ')}"
  return evidence if unresolved.empty?

  "#{evidence}; unresolved ancestors: #{unresolved.to_a.sort.join(', ')}"
end

# File lib/archspec/rules/protocol_rules.rb, line 245
def validate_scope!(scope, for_rule:)
  return if VALID_SCOPES.include?(scope)

  raise Error, "#{for_rule} scope: must be :instance or :class, got #{scope.inspect}"
end