org.jruby.ir.instructions

Class ReceiveOptArgBase

java.lang.Object

org.jruby.ir.instructions.Instr

org.jruby.ir.instructions.ReceiveArgBase

org.jruby.ir.instructions.ReceiveOptArgBase

All Implemented Interfaces:

ResultInstr

Direct Known Subclasses:

ReceiveOptArgInstr18, ReceiveOptArgInstr19

public abstract class ReceiveOptArgBase
extends ReceiveArgBase

Assign the 'index' argument to 'dest' which can be undefined since this is an optional argument into the method/block. The specific instruction differs between Ruby language versions.

Field Summary

Fields inherited from class org.jruby.ir.instructions.ReceiveArgBase

argIndex, result

Fields inherited from class org.jruby.ir.instructions.Instr

EMPTY_OPERANDS

Constructor Summary

Constructors

Constructor and Description
ReceiveOptArgBase(Variable result, int index)

Method Summary

Methods

Modifier and Type	Method and Description
abstract java.lang.Object	receiveOptArg(IRubyObject[] args)

Methods inherited from class org.jruby.ir.instructions.ReceiveArgBase

getArgIndex, getOperands, getResult, toString, updateResult

Methods inherited from class org.jruby.ir.instructions.Instr

canBeDeleted, canRaiseException, cloneForBlockCloning, cloneForInlinedClosure, cloneForInlinedScope, cloneForInlining, getOperation, getUsedVariables, hasSideEffects, hasUnusedResult, interpret, interpretAndGetNewIPC, isDead, markDead, markUnusedResult, renameVars, simplifyAndGetResult, simplifyOperands, transfersControl, visit

Methods inherited from class java.lang.Object

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

Constructor Detail

ReceiveOptArgBase

public ReceiveOptArgBase(Variable result,
                 int index)

Method Detail

receiveOptArg

public abstract java.lang.Object receiveOptArg(IRubyObject[] args)