com.cloudbees.groovy.cps

Class LValueBlock

java.lang.Object

com.cloudbees.groovy.cps.LValueBlock

All Implemented Interfaces:

Block, Serializable

Direct Known Subclasses:

ArrayAccessBlock, AttributeAccessBlock, LocalVariableBlock, PropertyAccessBlock, StaticFieldBlock

public abstract class LValueBlock
extends Object
implements Block

Base class for Block that can come to the left hand side of an assignment, aka "l-value" Subtypes implement evalLValue(Env, Continuation) that computes LValue object, which provides read/write access.

Author:

Kohsuke Kawaguchi

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface com.cloudbees.groovy.cps.Block

Block.Noop

Field Summary

Fields inherited from interface com.cloudbees.groovy.cps.Block

NOOP

Constructor Summary

Constructors

Constructor and Description
LValueBlock()

Method Summary

Modifier and Type	Method and Description
Block	asLValue() Obtains an Block that's equivalent to this block except it "returns" an LValue.
Next	eval(Env e, Continuation k) Evaluates to the value.
protected abstract Next	evalLValue(Env e, Continuation k) Evaluate the block as LValue and pass it to Continuation when done.

Methods inherited from class java.lang.Object

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

Constructor Detail

LValueBlock

public LValueBlock()

Method Detail

eval

public final Next eval(Env e,
                       Continuation k)

Evaluates to the value. Getter.

Specified by:

eval in interface Block

evalLValue

protected abstract Next evalLValue(Env e,
                                   Continuation k)

Evaluate the block as LValue and pass it to Continuation when done.

LValue can then be used to set the value.

asLValue

public final Block asLValue()

Obtains an Block that's equivalent to this block except it "returns" an LValue.