beaver

Class Action

java.lang.Object

beaver.Action

public abstract class Action
extends Object

An "interface" to Java code executed when a production is reduced.

Field Summary

Fields

Modifier and Type	Field and Description
static Action	NONE
static Action	RETURN

Constructor Summary

Constructors

Constructor and Description
Action()

Method Summary

Modifier and Type	Method and Description
abstract Symbol	reduce(Symbol[] args, int offset) Am action code that is executed when the production is reduced.

Methods inherited from class java.lang.Object

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

Field Detail

NONE

public static final Action NONE

RETURN

public static final Action RETURN

Constructor Detail

Action

public Action()

Method Detail

reduce

public abstract Symbol reduce(Symbol[] args,
                              int offset)

Am action code that is executed when the production is reduced.

Parameters:

args - an array part of which is filled with this action arguments

offset - to the last element BEFORE the first argument of this action

Returns:

a symbol or a value of a LHS nonterminal