Sha256: 51d0882026a641b12761723e6d83fb13fde567691c66e4355498dc39df7bff2e
Contents?: true
Size: 1.29 KB
Versions: 11
Compression:
Stored size: 1.29 KB
Contents
module Mutant
class Mutator
# Registry for mutators
class Registry
# Initialize object
#
# @return [undefined]
#
# @api private
#
def initialize
@registry = {}
end
# Raised when the type is an invalid type
RegistryError = Class.new(TypeError)
# Register mutator class for AST node class
#
# @param [Symbol] type
# @param [Class:Mutator] mutator
#
# @api private
#
# @return [self]
#
def register(type, mutator)
fail RegistryError, "Invalid type registration: #{type}" unless AST::Types::ALL.include?(type)
fail RegistryError, "Duplicate type registration: #{type}" if @registry.key?(type)
@registry[type] = mutator
self
end
# Lookup mutator class for node
#
# @param [Parser::AST::Node] node
#
# @return [Class]
#
# @raise [ArgumentError]
# raises argument error when mutator class cannot be found
#
# @api private
#
def lookup(node)
type = node.type
@registry.fetch(type) do
fail RegistryError, "No mutator to handle: #{type.inspect}"
end
end
end # Registry
REGISTRY = Registry.new
end # Mutator
end # Mutant
Version data entries
11 entries across 11 versions & 1 rubygems