Sha256: 658d6757bde6e963a4b72241d01bdfa426ec926055bf280083d6b558018fa269
Contents?: true
Size: 1.03 KB
Versions: 8
Compression:
Stored size: 1.03 KB
Contents
module Mutest
# Registry for mapping AST types to classes
class Registry
include Concord.new(:contents)
# Initialize object
#
# @return [undefined]
def initialize
super({})
end
# Raised when the type is an invalid type
RegistryError = Class.new(TypeError)
# Register class for AST node class
#
# @param [Symbol] type
# @param [Class] class
#
# @return [self]
def register(type, klass)
fail RegistryError, "Invalid type registration: #{type.inspect}" unless AST::Types::ALL.include?(type)
fail RegistryError, "Duplicate type registration: #{type.inspect}" if contents.key?(type)
contents[type] = klass
self
end
# Lookup class for node
#
# @param [Symbol] type
#
# @return [Class]
#
# @raise [ArgumentError]
# raises argument error when class cannot be found
def lookup(type)
contents.fetch(type) do
fail RegistryError, "No entry for: #{type.inspect}"
end
end
end # Registry
end # Mutest
Version data entries
8 entries across 8 versions & 1 rubygems