SVM_SWITCH

java.lang.Object

svm.instruction.SVM_Instruction

svm.instruction.SVM_SWITCH

public class SVM_SWITCH extends SVM_Instruction

SVM-INSTRUCTION: SWITCH destab

Runtime Stack
   index →
   - empty

The 'index' is popped of the Runtim stack. Then Program Sequence Control PCS := destab(index)

The 'destab' is an array of Program Addresses.

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 ProgramAddress[]

DESTAB

The destination table

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_SWITCH(AttributeInputStream inpt)

Construct SVM_SWITCH instruction from the given input.

SVM_SWITCH(ProgramAddress[] DESTAB)

Construct a new SVM_STORE instruction
Method Summary

Modifier and Type

Method

Description

void

execute()

Execute this SVM instruction

static SVM_Instruction

read(AttributeInputStream inpt)

Reads an SVM_SWITCH 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
- DESTAB
  
  private final ProgramAddress[] DESTAB
  
  The destination table
Constructor Details
- SVM_SWITCH
  
  public SVM_SWITCH(ProgramAddress[] DESTAB)
  
  Construct a new SVM_STORE instruction
  
  Parameters:
  
  DESTAB - the destination table
- SVM_SWITCH
  
  private SVM_SWITCH(AttributeInputStream inpt) throws IOException
  
  Construct SVM_SWITCH 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_SWITCH instruction from the given input.
  
  Parameters:
  
  inpt - the input stream
  
  Returns:
  
  the SVM_SWITCH instruction read
  
  Throws:
  
  IOException - if IOException occur