org.jruby.runtime

Class ArgumentDescriptor

java.lang.Object

org.jruby.runtime.ArgumentDescriptor

public class ArgumentDescriptor
extends java.lang.Object

A description of a single argument in a Ruby argument list. Primarily used in Method.to_proc.

Field Summary

Fields

Modifier and Type	Field and Description
static ArgumentDescriptor[]	ANON_REST
static ArgumentDescriptor[]	EMPTY_ARRAY
RubySymbol	name The name of the argument
ArgumentType	type The type of the argument

Constructor Summary

Constructors

Constructor and Description
ArgumentDescriptor(ArgumentType type)
ArgumentDescriptor(ArgumentType type, RubySymbol name)

Method Summary

Modifier and Type	Method and Description
static ArgumentDescriptor[]	decode(Ruby runtime, java.lang.String encodedDescriptors) Translate encoded String of argument descriptors back into an ArgumentDescriptor list
static java.lang.String	encode(ArgumentDescriptor[] descriptors) Allow JIT/AOT to store argument descriptors as a single String constant.
RubyArray	toArrayForm(Ruby runtime, boolean isLambda)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

type

public final ArgumentType type

The type of the argument

name

public final RubySymbol name

The name of the argument

EMPTY_ARRAY

public static final ArgumentDescriptor[] EMPTY_ARRAY

ANON_REST

public static final ArgumentDescriptor[] ANON_REST

Constructor Detail

ArgumentDescriptor

public ArgumentDescriptor(ArgumentType type,
                          RubySymbol name)

ArgumentDescriptor

public ArgumentDescriptor(ArgumentType type)

Method Detail

toArrayForm

public final RubyArray toArrayForm(Ruby runtime,
                                   boolean isLambda)

encode

public static java.lang.String encode(ArgumentDescriptor[] descriptors)

Allow JIT/AOT to store argument descriptors as a single String constant.

Parameters:

descriptors - the list to convert into a string

Returns:

the encoded descriptors

decode

public static ArgumentDescriptor[] decode(Ruby runtime,
                                          java.lang.String encodedDescriptors)

Translate encoded String of argument descriptors back into an ArgumentDescriptor list

Parameters:

runtime - to reify ids back into symbols

encodedDescriptors - the encoded String

Returns:

an array of descriptors