Class SVM_ENTER

java.lang.Object

svm.instruction.SVM_Instruction

svm.instruction.SVM_ENTER

public class SVM_ENTER
extends SVM_Instruction

SVM-INSTRUCTION: ENTER

Enter a Routine by pushing local variables onto the 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 int	localSize	The total size of the local variables
private final String	rutIdent	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

Constructor	Description
SVM_ENTER(String rutIdent, int localSize)	Construct a new SVM_ENTER instruction

Method Summary

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

rutIdent

private final String rutIdent

The Routine ident

localSize

private final int localSize

The total size of the local variables

Constructor Details

SVM_ENTER

public SVM_ENTER(String rutIdent,
 int localSize)

Construct a new SVM_ENTER instruction

Parameters:

rutIdent - the Routine ident

localSize - the total size of the local variables

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_ENTER read(AttributeInputStream inpt)
                      throws IOException

Reads an SVM_ENTER instruction from the given input.

Parameters:

inpt - the input stream

Returns:

the SVM_ENTER instruction read

Throws:

IOException - if IOException occur