Class SVM_RETURN

java.lang.Object

svm.instruction.SVM_Instruction

svm.instruction.SVM_RETURN

public class SVM_RETURN
extends SVM_Instruction

SVM-INSTRUCTION: RETURN rutID returAddr

Runtime Stack
	..., ??? →
	..., ???

Link to GitHub: Source File.

Author:

S-Port: Definition of S-code, Øystein Myhre Andersen

Field Summary

Fields

Modifier and Type	Field	Description
private final ObjectAddress	returAddr	The retur address
private final String	rutID	The Routine ident

Fields inherited from class SVM_Instruction

iADD, iADDREG, iAND, iASSIGN, iCALL, iCALLSYS, iCOMPARE, iCONVERT, iDECO, iDIST, iDIV, iDUP, iENTER, iEQV, iGETO, iGOTO, iIMP, iINCO, iINITO, iJUMP, iJUMPIF, iLINE, iLOAD, iLOADA, iMax, iMULT, iNEG, iNOOP, iNOT, iOR, iPOPK, iPRECALL, iPUSHC, iPUSHLEN, iPUSHR, iREM, iRESTORE, iRETURN, iSAVE, iSETO, iSHIFT, iSTORE, iSUB, iSWITCH, iXOR, opcode

Constructor Summary

Constructors

Modifier	Constructor	Description
private	SVM_RETURN(AttributeInputStream inpt)	Construct an SVM_RETURN instruction from the given input.
	SVM_RETURN(String rutID, ObjectAddress returAddr)	Construct a new SVM_RETURN instruction

Method Summary

Modifier and Type	Method	Description
void	execute()	Execute this SVM instruction
static SVM_Instruction	read(AttributeInputStream inpt)	Reads an SVM_RETURN instruction from the given input.
String	toString()
void	write(AttributeOutputStream oupt)	Write this SVM instruction to the given output.

Methods inherited from class SVM_Instruction

edOpcode, readObject

Methods inherited from class Object

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

Field Details

rutID

private final String rutID

The Routine ident

returAddr

private final ObjectAddress returAddr

The retur address

Constructor Details

SVM_RETURN

public SVM_RETURN(String rutID,
 ObjectAddress returAddr)

Construct a new SVM_RETURN instruction

Parameters:

rutID - the Routine ident

returAddr - the retur address

SVM_RETURN

private SVM_RETURN(AttributeInputStream inpt)
            throws IOException

Construct an SVM_RETURN instruction from the given input.

Parameters:

inpt - the input stream

Throws:

IOException - if IOException occur

Method Details

toString

public String toString()

Overrides:

toString in class Object

execute

public void execute()

Description copied from class: SVM_Instruction

Execute this SVM instruction

Overrides:

execute in class SVM_Instruction

write

public void write(AttributeOutputStream oupt)
           throws IOException

Description copied from class: SVM_Instruction

Write this SVM instruction to the given output.

Overrides:

write in class SVM_Instruction

Parameters:

oupt - the output stream

Throws:

IOException - if IOException occur

read

public static SVM_Instruction read(AttributeInputStream inpt)
                            throws IOException

Reads an SVM_RETURN instruction from the given input.

Parameters:

inpt - the input stream

Returns:

the SVM_RETURN instruction read

Throws:

IOException - if IOException occur