Package edu.umd.cs.findbugs.detect

Class FindRefComparison.RefComparisonTypeFrameModelingVisitor

java.lang.Object

edu.umd.cs.findbugs.ba.AbstractFrameModelingVisitor<org.apache.bcel.generic.Type,TypeFrame>

edu.umd.cs.findbugs.ba.type.TypeFrameModelingVisitor

edu.umd.cs.findbugs.detect.FindRefComparison.RefComparisonTypeFrameModelingVisitor

All Implemented Interfaces:

Debug, org.apache.bcel.generic.Visitor

Enclosing class:

FindRefComparison

private static class FindRefComparison.RefComparisonTypeFrameModelingVisitor
extends TypeFrameModelingVisitor

Field Summary

Fields

Modifier and Type	Field	Description
private RepositoryLookupFailureCallback	lookupFailureCallback
private boolean	sawStringIntern

Fields inherited from class edu.umd.cs.findbugs.ba.type.TypeFrameModelingVisitor

DEBUG, genericLocalVariables, localTypeTable, mapSignaturePattern, typeMerger

Fields inherited from class edu.umd.cs.findbugs.ba.AbstractFrameModelingVisitor

cpg

Fields inherited from interface edu.umd.cs.findbugs.ba.Debug

VERIFY_INTEGRITY

Constructor Summary

Constructors

Constructor	Description
RefComparisonTypeFrameModelingVisitor(org.apache.bcel.generic.ConstantPoolGen cpg, TypeMerger typeMerger, RepositoryLookupFailureCallback lookupFailureCallback)

Method Summary

Modifier and Type	Method	Description
private void	handleInstanceMethod(org.apache.bcel.generic.InvokeInstruction obj)
private void	handleLoad(org.apache.bcel.generic.FieldInstruction obj)
private boolean	isString(org.apache.bcel.generic.Type type)
private boolean	returnsString(org.apache.bcel.generic.InvokeInstruction inv)
boolean	sawStringIntern()
void	visitGETFIELD(org.apache.bcel.generic.GETFIELD obj)
void	visitGETSTATIC(org.apache.bcel.generic.GETSTATIC obj)
void	visitINVOKEINTERFACE(org.apache.bcel.generic.INVOKEINTERFACE obj)
void	visitINVOKESPECIAL(org.apache.bcel.generic.INVOKESPECIAL obj)
void	visitINVOKESTATIC(org.apache.bcel.generic.INVOKESTATIC obj)
void	visitINVOKEVIRTUAL(org.apache.bcel.generic.INVOKEVIRTUAL obj)
void	visitLDC(org.apache.bcel.generic.LDC obj)
void	visitLDC2_W(org.apache.bcel.generic.LDC2_W obj)

Methods inherited from class edu.umd.cs.findbugs.ba.type.TypeFrameModelingVisitor

analyzeInstruction, consumeStack, getDefaultValue, getInstanceOfType, getInstanceOfValueNumber, getType, handleLoadInstruction, handleStoreInstruction, isImpliedByGenericTypes, isInstanceOfFollowedByBranch, isStraightGenericMap, modelFieldLoad, modelNormalInstruction, pushReturnType, pushValue, setFieldStoreTypeDatabase, setLocalTypeTable, setValueNumberDataflow, startBasicBlock, visitAALOAD, visitACONST_NULL, visitANEWARRAY, visitARRAYLENGTH, visitATHROW, visitBALOAD, visitBIPUSH, visitCALOAD, visitCHECKCAST, visitD2F, visitD2I, visitD2L, visitDADD, visitDALOAD, visitDCMPG, visitDCMPL, visitDCONST, visitDDIV, visitDMUL, visitDNEG, visitDREM, visitDSUB, visitDUP, visitF2D, visitF2I, visitF2L, visitFADD, visitFALOAD, visitFCMPG, visitFCMPL, visitFCONST, visitFDIV, visitFMUL, visitFNEG, visitFREM, visitFSUB, visitI2B, visitI2C, visitI2D, visitI2F, visitI2L, visitI2S, visitIADD, visitIALOAD, visitIAND, visitICONST, visitIDIV, visitIFEQ, visitIFGT, visitIFLE, visitIFNE, visitIFNONNULL, visitIFNULL, visitIINC, visitIMUL, visitINEG, visitINSTANCEOF, visitINVOKEDYNAMIC, visitInvokeInstructionCommon, visitIOR, visitIREM, visitISHL, visitISHR, visitISUB, visitIUSHR, visitIXOR, visitJSR, visitJSR_W, visitL2D, visitL2F, visitL2I, visitLADD, visitLALOAD, visitLAND, visitLCMP, visitLCONST, visitLDIV, visitLMUL, visitLNEG, visitLOR, visitLREM, visitLSHL, visitLSHR, visitLSUB, visitLUSHR, visitLXOR, visitMULTIANEWARRAY, visitNEW, visitNEWARRAY, visitRET, visitSALOAD, visitSIPUSH

Methods inherited from class edu.umd.cs.findbugs.ba.AbstractFrameModelingVisitor

getCPG, getFrame, getLocation, getNumWordsConsumed, getNumWordsProduced, handleNormalInstruction, modelInstruction, setFrameAndLocation, visitAASTORE, visitAllocationInstruction, visitALOAD, visitARETURN, visitArithmeticInstruction, visitArrayInstruction, visitASTORE, visitBASTORE, visitBranchInstruction, visitBREAKPOINT, visitCASTORE, visitConstantPushInstruction, visitConversionInstruction, visitConversionInstruction2, visitCPInstruction, visitDASTORE, visitDLOAD, visitDRETURN, visitDSTORE, visitDUP_X1, visitDUP_X2, visitDUP2, visitDUP2_X1, visitDUP2_X2, visitExceptionThrower, visitFASTORE, visitFieldInstruction, visitFieldOrMethod, visitFLOAD, visitFRETURN, visitFSTORE, visitGOTO, visitGOTO_W, visitGotoInstruction, visitIASTORE, visitIF_ACMPEQ, visitIF_ACMPNE, visitIF_ICMPEQ, visitIF_ICMPGE, visitIF_ICMPGT, visitIF_ICMPLE, visitIF_ICMPLT, visitIF_ICMPNE, visitIFGE, visitIfInstruction, visitIFLT, visitILOAD, visitIMPDEP1, visitIMPDEP2, visitInvokeInstruction, visitIRETURN, visitISTORE, visitJsrInstruction, visitLASTORE, visitLLOAD, visitLoadClass, visitLoadInstruction, visitLocalVariableInstruction, visitLOOKUPSWITCH, visitLRETURN, visitLSTORE, visitMONITORENTER, visitMONITOREXIT, visitNONNULL2Z, visitNOP, visitNULL2Z, visitPOP, visitPOP2, visitPopInstruction, visitPushInstruction, visitPUTFIELD, visitPUTSTATIC, visitRETURN, visitReturnInstruction, visitSASTORE, visitSelect, 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

lookupFailureCallback

private final RepositoryLookupFailureCallback lookupFailureCallback

sawStringIntern

private boolean sawStringIntern

Constructor Detail

RefComparisonTypeFrameModelingVisitor

public RefComparisonTypeFrameModelingVisitor(org.apache.bcel.generic.ConstantPoolGen cpg,
                                             TypeMerger typeMerger,
                                             RepositoryLookupFailureCallback lookupFailureCallback)

Method Detail

sawStringIntern

public boolean sawStringIntern()

visitINVOKESTATIC

public void visitINVOKESTATIC(org.apache.bcel.generic.INVOKESTATIC obj)

Specified by:

visitINVOKESTATIC in interface org.apache.bcel.generic.Visitor

Overrides:

visitINVOKESTATIC in class TypeFrameModelingVisitor

visitINVOKESPECIAL

public void visitINVOKESPECIAL(org.apache.bcel.generic.INVOKESPECIAL obj)

Specified by:

visitINVOKESPECIAL in interface org.apache.bcel.generic.Visitor

Overrides:

visitINVOKESPECIAL in class TypeFrameModelingVisitor

visitINVOKEINTERFACE

public void visitINVOKEINTERFACE(org.apache.bcel.generic.INVOKEINTERFACE obj)

Specified by:

visitINVOKEINTERFACE in interface org.apache.bcel.generic.Visitor

Overrides:

visitINVOKEINTERFACE in class TypeFrameModelingVisitor

visitINVOKEVIRTUAL

public void visitINVOKEVIRTUAL(org.apache.bcel.generic.INVOKEVIRTUAL obj)

Specified by:

visitINVOKEVIRTUAL in interface org.apache.bcel.generic.Visitor

Overrides:

visitINVOKEVIRTUAL in class TypeFrameModelingVisitor

returnsString

private boolean returnsString(org.apache.bcel.generic.InvokeInstruction inv)

handleInstanceMethod

private void handleInstanceMethod(org.apache.bcel.generic.InvokeInstruction obj)

visitLDC

public void visitLDC(org.apache.bcel.generic.LDC obj)

Specified by:

visitLDC in interface org.apache.bcel.generic.Visitor

Overrides:

visitLDC in class TypeFrameModelingVisitor

visitLDC2_W

public void visitLDC2_W(org.apache.bcel.generic.LDC2_W obj)

Specified by:

visitLDC2_W in interface org.apache.bcel.generic.Visitor

Overrides:

visitLDC2_W in class TypeFrameModelingVisitor

isString

private boolean isString(org.apache.bcel.generic.Type type)

visitGETSTATIC

public void visitGETSTATIC(org.apache.bcel.generic.GETSTATIC obj)

Specified by:

visitGETSTATIC in interface org.apache.bcel.generic.Visitor

Overrides:

visitGETSTATIC in class TypeFrameModelingVisitor

visitGETFIELD

public void visitGETFIELD(org.apache.bcel.generic.GETFIELD obj)

Specified by:

visitGETFIELD in interface org.apache.bcel.generic.Visitor

Overrides:

visitGETFIELD in class TypeFrameModelingVisitor

handleLoad

private void handleLoad(org.apache.bcel.generic.FieldInstruction obj)