Class SVM_LINE

java.lang.Object

svm.instruction.SVM_Instruction

svm.instruction.SVM_LINE

public class SVM_LINE
extends SVM_Instruction

SVM-INSTRUCTION: LINE lineType lineNumber

Runtime Stack
   ... →
   ...

The Global variable sourceLineNumber := sourceLine;

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	sourceLine	The sourceLine number
private final int	type	The instruction type: 0, DCL, STM

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_LINE(int type, int sourceLine)	Construct a new SVM_LINE instruction

Method Summary

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

type

private final int type

The instruction type: 0, DCL, STM

sourceLine

private final int sourceLine

The sourceLine number

Constructor Details

SVM_LINE

public SVM_LINE(int type,
 int sourceLine)

Construct a new SVM_LINE instruction

Parameters:

type - the instruction type: 0, DCL, STM

sourceLine - the sourceLine number

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_LINE instruction from the given input.

Parameters:

inpt - the input stream

Returns:

the SVM_LINE instruction read

Throws:

IOException - if IOException occur