Class SVM_POPK

java.lang.Object

svm.instruction.SVM_Instruction

svm.instruction.SVM_POPK

public class SVM_POPK
extends SVM_Instruction

SVM-INSTRUCTION: POPK n

Runtime Stack
	..., value1, value2, ... , value'n →
	...,

The 'n' values on the top of the Runtime stack is popped off and forgotten.

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 int	n	The number of stack items to pop

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
	SVM_POPK(int n)	Construct a new SVM_POPK instruction
private	SVM_POPK(AttributeInputStream inpt)	Construct an SVM_POPK instruction from the given input.

Method Summary

Modifier and Type	Method	Description
void	execute()	Execute this SVM instruction
static SVM_Instruction	read(AttributeInputStream inpt)	Reads an SVM_POPK 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

n

private final int n

The number of stack items to pop

Constructor Details

SVM_POPK

public SVM_POPK(int n)

Construct a new SVM_POPK instruction

Parameters:

n - the number of stack items to pop

SVM_POPK

private SVM_POPK(AttributeInputStream inpt)
          throws IOException

Construct an SVM_POPK instruction from the given input.

Parameters:

inpt - the input stream

Throws:

IOException - if IOException occur

Method Details

execute

public void execute()

Description copied from class: SVM_Instruction

Execute this SVM instruction

Overrides:

execute in class SVM_Instruction

toString

public String toString()

Overrides:

toString in class Object

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_POPK instruction from the given input.

Parameters:

inpt - the input stream

Returns:

the SVM_POPK instruction read

Throws:

IOException - if IOException occur