Package org.apache.bcel.util

Class BCELFactory

java.lang.Object

org.apache.bcel.generic.EmptyVisitor

org.apache.bcel.util.BCELFactory

All Implemented Interfaces:

Visitor

final class BCELFactory
extends EmptyVisitor

Factory creates il.append() statements, and sets instruction targets. A helper class for BCELifier.

See Also:

BCELifier

Field Summary

Fields

Modifier and Type	Field	Description
private java.util.List<BranchInstruction>	branches
private java.util.Map<Instruction,InstructionHandle>	branchMap
private static java.lang.String	CONSTANT_PREFIX
private ConstantPoolGen	constantPoolGen
private MethodGen	methodGen
private java.io.PrintWriter	printWriter

Constructor Summary

Constructors

Constructor	Description
BCELFactory(MethodGen mg, java.io.PrintWriter out)

Method Summary

Modifier and Type	Method	Description
private void	createConstant(java.lang.Object value)
void	start()
private void	updateBranchTargets()
private void	updateExceptionHandlers()
void	visitAllocationInstruction(AllocationInstruction i)	Visits an AllocationInstruction.
void	visitArrayInstruction(ArrayInstruction i)	Visits an ArrayInstruction.
void	visitBranchInstruction(BranchInstruction bi)	Visits a BranchInstruction.
void	visitCHECKCAST(CHECKCAST i)	Visits a CHECKCAST instruction.
void	visitConstantPushInstruction(ConstantPushInstruction i)	Visits a ConstantPushInstruction.
void	visitFieldInstruction(FieldInstruction i)	Visits a FieldInstruction.
void	visitINSTANCEOF(INSTANCEOF i)	Visits an INSTANCEOF instruction.
private boolean	visitInstruction(Instruction i)
void	visitInvokeInstruction(InvokeInstruction i)	Visits an InvokeInstruction.
void	visitLDC(LDC i)	Visits an LDC instruction.
void	visitLDC2_W(LDC2_W i)	Visits an LDC2_W instruction.
void	visitLocalVariableInstruction(LocalVariableInstruction i)	Visits a LocalVariableInstruction.
void	visitRET(RET i)	Visits a RET instruction.
void	visitReturnInstruction(ReturnInstruction i)	Visits a ReturnInstruction.

Methods inherited from class org.apache.bcel.generic.EmptyVisitor

visitAALOAD, visitAASTORE, visitACONST_NULL, visitALOAD, visitANEWARRAY, visitARETURN, visitArithmeticInstruction, visitARRAYLENGTH, visitASTORE, visitATHROW, visitBALOAD, visitBASTORE, visitBIPUSH, visitBREAKPOINT, visitCALOAD, visitCASTORE, visitConversionInstruction, visitCPInstruction, visitD2F, visitD2I, visitD2L, visitDADD, visitDALOAD, visitDASTORE, visitDCMPG, visitDCMPL, visitDCONST, visitDDIV, visitDLOAD, visitDMUL, visitDNEG, visitDREM, visitDRETURN, visitDSTORE, visitDSUB, visitDUP, visitDUP_X1, visitDUP_X2, visitDUP2, visitDUP2_X1, visitDUP2_X2, visitExceptionThrower, visitF2D, visitF2I, visitF2L, visitFADD, visitFALOAD, visitFASTORE, visitFCMPG, visitFCMPL, visitFCONST, visitFDIV, visitFieldOrMethod, visitFLOAD, visitFMUL, visitFNEG, visitFREM, visitFRETURN, visitFSTORE, visitFSUB, visitGETFIELD, visitGETSTATIC, visitGOTO, visitGOTO_W, visitGotoInstruction, visitI2B, visitI2C, visitI2D, visitI2F, visitI2L, visitI2S, visitIADD, visitIALOAD, visitIAND, visitIASTORE, visitICONST, visitIDIV, visitIF_ACMPEQ, visitIF_ACMPNE, visitIF_ICMPEQ, visitIF_ICMPGE, visitIF_ICMPGT, visitIF_ICMPLE, visitIF_ICMPLT, visitIF_ICMPNE, visitIFEQ, visitIFGE, visitIFGT, visitIfInstruction, visitIFLE, visitIFLT, visitIFNE, visitIFNONNULL, visitIFNULL, visitIINC, visitILOAD, visitIMPDEP1, visitIMPDEP2, visitIMUL, visitINEG, visitINVOKEDYNAMIC, visitINVOKEINTERFACE, visitINVOKESPECIAL, visitINVOKESTATIC, visitINVOKEVIRTUAL, visitIOR, visitIREM, visitIRETURN, visitISHL, visitISHR, visitISTORE, visitISUB, visitIUSHR, visitIXOR, visitJSR, visitJSR_W, visitJsrInstruction, visitL2D, visitL2F, visitL2I, visitLADD, visitLALOAD, visitLAND, visitLASTORE, visitLCMP, visitLCONST, visitLDIV, visitLLOAD, visitLMUL, visitLNEG, visitLoadClass, visitLoadInstruction, visitLOOKUPSWITCH, visitLOR, visitLREM, visitLRETURN, visitLSHL, visitLSHR, visitLSTORE, visitLSUB, visitLUSHR, visitLXOR, visitMONITORENTER, visitMONITOREXIT, visitMULTIANEWARRAY, visitNEW, visitNEWARRAY, visitNOP, visitPOP, visitPOP2, visitPopInstruction, visitPushInstruction, visitPUTFIELD, visitPUTSTATIC, visitRETURN, visitSALOAD, visitSASTORE, visitSelect, visitSIPUSH, visitStackConsumer, visitStackInstruction, visitStackProducer, visitStoreInstruction, visitSWAP, visitTABLESWITCH, visitTypedInstruction, visitUnconditionalBranch, visitVariableLengthInstruction

Methods inherited from class java.lang.Object

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

Field Detail

CONSTANT_PREFIX

private static final java.lang.String CONSTANT_PREFIX

methodGen

private final MethodGen methodGen

printWriter

private final java.io.PrintWriter printWriter

constantPoolGen

private final ConstantPoolGen constantPoolGen

branchMap

private final java.util.Map<Instruction,InstructionHandle> branchMap

branches

private final java.util.List<BranchInstruction> branches

Constructor Detail

BCELFactory

BCELFactory(MethodGen mg,
            java.io.PrintWriter out)

Method Detail

createConstant

private void createConstant(java.lang.Object value)

start

public void start()

updateBranchTargets

private void updateBranchTargets()

updateExceptionHandlers

private void updateExceptionHandlers()

visitAllocationInstruction

public void visitAllocationInstruction(AllocationInstruction i)

Description copied from interface: Visitor

Visits an AllocationInstruction.

Specified by:

visitAllocationInstruction in interface Visitor

Overrides:

visitAllocationInstruction in class EmptyVisitor

Parameters:

i - the instruction.

visitArrayInstruction

public void visitArrayInstruction(ArrayInstruction i)

Description copied from interface: Visitor

Visits an ArrayInstruction.

Specified by:

visitArrayInstruction in interface Visitor

Overrides:

visitArrayInstruction in class EmptyVisitor

Parameters:

i - the instruction.

visitBranchInstruction

public void visitBranchInstruction(BranchInstruction bi)

Description copied from interface: Visitor

Visits a BranchInstruction.

Specified by:

visitBranchInstruction in interface Visitor

Overrides:

visitBranchInstruction in class EmptyVisitor

Parameters:

bi - the instruction.

visitCHECKCAST

public void visitCHECKCAST(CHECKCAST i)

Description copied from interface: Visitor

Visits a CHECKCAST instruction.

Specified by:

visitCHECKCAST in interface Visitor

Overrides:

visitCHECKCAST in class EmptyVisitor

Parameters:

i - the instruction.

visitConstantPushInstruction

public void visitConstantPushInstruction(ConstantPushInstruction i)

Description copied from interface: Visitor

Visits a ConstantPushInstruction.

Specified by:

visitConstantPushInstruction in interface Visitor

Overrides:

visitConstantPushInstruction in class EmptyVisitor

Parameters:

i - the instruction.

visitFieldInstruction

public void visitFieldInstruction(FieldInstruction i)

Description copied from interface: Visitor

Visits a FieldInstruction.

Specified by:

visitFieldInstruction in interface Visitor

Overrides:

visitFieldInstruction in class EmptyVisitor

Parameters:

i - the instruction.

visitINSTANCEOF

public void visitINSTANCEOF(INSTANCEOF i)

Description copied from interface: Visitor

Visits an INSTANCEOF instruction.

Specified by:

visitINSTANCEOF in interface Visitor

Overrides:

visitINSTANCEOF in class EmptyVisitor

Parameters:

i - the instruction.

visitInstruction

private boolean visitInstruction(Instruction i)

visitInvokeInstruction

public void visitInvokeInstruction(InvokeInstruction i)

Description copied from interface: Visitor

Visits an InvokeInstruction.

Specified by:

visitInvokeInstruction in interface Visitor

Overrides:

visitInvokeInstruction in class EmptyVisitor

Parameters:

i - the instruction.

visitLDC

public void visitLDC(LDC i)

Description copied from interface: Visitor

Visits an LDC instruction.

Specified by:

visitLDC in interface Visitor

Overrides:

visitLDC in class EmptyVisitor

Parameters:

i - the instruction.

visitLDC2_W

public void visitLDC2_W(LDC2_W i)

Description copied from interface: Visitor

Visits an LDC2_W instruction.

Specified by:

visitLDC2_W in interface Visitor

Overrides:

visitLDC2_W in class EmptyVisitor

Parameters:

i - the instruction.

visitLocalVariableInstruction

public void visitLocalVariableInstruction(LocalVariableInstruction i)

Description copied from interface: Visitor

Visits a LocalVariableInstruction.

Specified by:

visitLocalVariableInstruction in interface Visitor

Overrides:

visitLocalVariableInstruction in class EmptyVisitor

Parameters:

i - the instruction.

visitRET

public void visitRET(RET i)

Description copied from interface: Visitor

Visits a RET instruction.

Specified by:

visitRET in interface Visitor

Overrides:

visitRET in class EmptyVisitor

Parameters:

i - the instruction.

visitReturnInstruction

public void visitReturnInstruction(ReturnInstruction i)

Description copied from interface: Visitor

Visits a ReturnInstruction.

Specified by:

visitReturnInstruction in interface Visitor

Overrides:

visitReturnInstruction in class EmptyVisitor

Parameters:

i - the instruction.