edu.umd.cs.findbugs.detect
Class WrongMapIterator

java.lang.Object
  extended by edu.umd.cs.findbugs.visitclass.BetterVisitor
      extended by edu.umd.cs.findbugs.visitclass.PreorderVisitor
          extended by edu.umd.cs.findbugs.visitclass.DismantleBytecode
              extended by edu.umd.cs.findbugs.BytecodeScanningDetector
                  extended by edu.umd.cs.findbugs.detect.WrongMapIterator
All Implemented Interfaces:
Detector, Constants2, org.apache.bcel.classfile.Visitor, org.apache.bcel.Constants

public class WrongMapIterator
extends BytecodeScanningDetector
implements Constants2


Field Summary
private  BugReporter bugReporter
           
private  int iteratorRegister
           
private  int keyRegister
           
private  int keySetRegister
           
private  int loadedRegister
           
private  int mapRegister
           
private static int NEED_KEYSET_LOAD
           
private static int SAW_CHECKCAST_ON_NEXT
           
private static int SAW_ITERATOR
           
private static int SAW_ITERATOR_LOAD
           
private static int SAW_ITERATOR_STORE
           
private static int SAW_KEY_LOAD
           
private static int SAW_KEY_STORE
           
private static int SAW_KEYSET
           
private static int SAW_KEYSET_STORE
           
private static int SAW_MAP_GET
           
private static int SAW_MAP_LOAD1
           
private static int SAW_MAP_LOAD2
           
private static int SAW_NEXT
           
private static int SAW_NOTHING
           
private  int state
           
 
Fields inherited from class edu.umd.cs.findbugs.visitclass.DismantleBytecode
codeBytes, lineNumberTable, M_BR, M_CP, M_INT, M_PAD, M_R, M_UINT, R_DOUBLE, R_FLOAT, R_INT, R_LONG, R_REF, registerKind
 
Fields inherited from interface org.apache.bcel.Constants
AALOAD, AASTORE, ACC_ABSTRACT, ACC_FINAL, ACC_INTERFACE, ACC_NATIVE, ACC_PRIVATE, ACC_PROTECTED, ACC_PUBLIC, ACC_STATIC, ACC_STRICT, ACC_SUPER, ACC_SYNCHRONIZED, ACC_TRANSIENT, ACC_VOLATILE, ACCESS_NAMES, ACONST_NULL, ALOAD, ALOAD_0, ALOAD_1, ALOAD_2, ALOAD_3, ANEWARRAY, ANEWARRAY_QUICK, ARETURN, ARRAYLENGTH, ASTORE, ASTORE_0, ASTORE_1, ASTORE_2, ASTORE_3, ATHROW, ATTR_CODE, ATTR_CONSTANT_VALUE, ATTR_DEPRECATED, ATTR_EXCEPTIONS, ATTR_INNER_CLASSES, ATTR_LINE_NUMBER_TABLE, ATTR_LOCAL_VARIABLE_TABLE, ATTR_PMG, ATTR_SIGNATURE, ATTR_SOURCE_FILE, ATTR_STACK_MAP, ATTR_SYNTHETIC, ATTR_UNKNOWN, ATTRIBUTE_NAMES, BALOAD, BASTORE, BIPUSH, BREAKPOINT, CALOAD, CASTORE, CHECKCAST, CHECKCAST_QUICK, CLASS_TYPE_NAMES, CONSTANT_Class, CONSTANT_Double, CONSTANT_Fieldref, CONSTANT_Float, CONSTANT_Integer, CONSTANT_InterfaceMethodref, CONSTANT_Long, CONSTANT_Methodref, CONSTANT_NameAndType, CONSTANT_NAMES, CONSTANT_String, CONSTANT_Utf8, CONSTRUCTOR_NAME, CONSUME_STACK, D2F, D2I, D2L, DADD, DALOAD, DASTORE, DCMPG, DCMPL, DCONST_0, DCONST_1, DDIV, DLOAD, DLOAD_0, DLOAD_1, DLOAD_2, DLOAD_3, DMUL, DNEG, DREM, DRETURN, DSTORE, DSTORE_0, DSTORE_1, DSTORE_2, DSTORE_3, DSUB, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, F2D, F2I, F2L, FADD, FALOAD, FASTORE, FCMPG, FCMPL, FCONST_0, FCONST_1, FCONST_2, FDIV, FLOAD, FLOAD_0, FLOAD_1, FLOAD_2, FLOAD_3, FMUL, FNEG, FREM, FRETURN, FSTORE, FSTORE_0, FSTORE_1, FSTORE_2, FSTORE_3, FSUB, GETFIELD, GETFIELD_QUICK, GETFIELD_QUICK_W, GETFIELD2_QUICK, GETSTATIC, GETSTATIC_QUICK, GETSTATIC2_QUICK, GOTO, GOTO_W, I2B, I2C, I2D, I2F, I2L, I2S, IADD, IALOAD, IAND, IASTORE, ICONST_0, ICONST_1, ICONST_2, ICONST_3, ICONST_4, ICONST_5, ICONST_M1, IDIV, IF_ACMPEQ, IF_ACMPNE, IF_ICMPEQ, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ICMPLT, IF_ICMPNE, IFEQ, IFGE, IFGT, IFLE, IFLT, IFNE, IFNONNULL, IFNULL, IINC, ILLEGAL_OPCODE, ILLEGAL_TYPE, ILOAD, ILOAD_0, ILOAD_1, ILOAD_2, ILOAD_3, IMPDEP1, IMPDEP2, IMUL, INEG, INSTANCEOF, INSTANCEOF_QUICK, INT2BYTE, INT2CHAR, INT2SHORT, INTERFACES_IMPLEMENTED_BY_ARRAYS, INVOKEINTERFACE, INVOKEINTERFACE_QUICK, INVOKENONVIRTUAL, INVOKENONVIRTUAL_QUICK, INVOKESPECIAL, INVOKESTATIC, INVOKESTATIC_QUICK, INVOKESUPER_QUICK, INVOKEVIRTUAL, INVOKEVIRTUAL_QUICK, INVOKEVIRTUAL_QUICK_W, INVOKEVIRTUALOBJECT_QUICK, IOR, IREM, IRETURN, ISHL, ISHR, ISTORE, ISTORE_0, ISTORE_1, ISTORE_2, ISTORE_3, ISUB, ITEM_Bogus, ITEM_Double, ITEM_Float, ITEM_InitObject, ITEM_Integer, ITEM_Long, ITEM_NAMES, ITEM_NewObject, ITEM_Null, ITEM_Object, IUSHR, IXOR, JSR, JSR_W, KNOWN_ATTRIBUTES, L2D, L2F, L2I, LADD, LALOAD, LAND, LASTORE, LCMP, LCONST_0, LCONST_1, LDC, LDC_QUICK, LDC_W, LDC_W_QUICK, LDC2_W, LDC2_W_QUICK, LDIV, LLOAD, LLOAD_0, LLOAD_1, LLOAD_2, LLOAD_3, LMUL, LNEG, LOOKUPSWITCH, LOR, LREM, LRETURN, LSHL, LSHR, LSTORE, LSTORE_0, LSTORE_1, LSTORE_2, LSTORE_3, LSUB, LUSHR, LXOR, MAJOR, MAJOR_1_1, MAJOR_1_2, MAJOR_1_3, MAX_ACC_FLAG, MAX_BYTE, MAX_CODE_SIZE, MAX_CP_ENTRIES, MAX_SHORT, MINOR, MINOR_1_1, MINOR_1_2, MINOR_1_3, MONITORENTER, MONITOREXIT, MULTIANEWARRAY, MULTIANEWARRAY_QUICK, NEW, NEW_QUICK, NEWARRAY, NO_OF_OPERANDS, NOP, OPCODE_NAMES, POP, POP2, PRODUCE_STACK, PUSH, PUTFIELD, PUTFIELD_QUICK, PUTFIELD_QUICK_W, PUTFIELD2_QUICK, PUTSTATIC, PUTSTATIC_QUICK, PUTSTATIC2_QUICK, RESERVED, RET, RETURN, SALOAD, SASTORE, SHORT_TYPE_NAMES, SIPUSH, STATIC_INITIALIZER_NAME, SWAP, SWITCH, T_ADDRESS, T_ARRAY, T_BOOLEAN, T_BYTE, T_CHAR, T_DOUBLE, T_FLOAT, T_INT, T_LONG, T_OBJECT, T_REFERENCE, T_SHORT, T_UNKNOWN, T_VOID, TABLESWITCH, TYPE_NAMES, TYPE_OF_OPERANDS, UNDEFINED, UNPREDICTABLE, WIDE
 
Fields inherited from interface edu.umd.cs.findbugs.Detector
EXP_PRIORITY, HIGH_PRIORITY, LOW_PRIORITY, NORMAL_PRIORITY
 
Constructor Summary
WrongMapIterator(BugReporter bugReporter)
           
 
Method Summary
private  int getLoadStoreRegister(int seen, boolean doLoad)
           
 void sawOpcode(int seen)
           
 void visit(org.apache.bcel.classfile.Method obj)
           
 
Methods inherited from class edu.umd.cs.findbugs.BytecodeScanningDetector
getAnalysisContext, getClassContext, report, setAnalysisContext, visitClassContext
 
Methods inherited from class edu.umd.cs.findbugs.visitclass.DismantleBytecode
getBranchFallThrough, getBranchOffset, getBranchTarget, getClassConstantOperand, getConstantRefOperand, getDefaultSwitchOffset, getDottedClassConstantOperand, getDottedSigConstantOperand, getIntConstant, getNameConstantOperand, getPC, getRefConstantOperand, getRefFieldIsStatic, getRegisterOperand, getSigConstantOperand, getStringConstantOperand, getSwitchLabels, getSwitchOffsets, sawClass, sawDouble, sawField, sawFloat, sawIMethod, sawInt, sawLong, sawMethod, sawOffset, sawRegister, sawString, visit
 
Methods inherited from class edu.umd.cs.findbugs.visitclass.PreorderVisitor
asUnsignedByte, getClassName, getConstantPool, getDottedClassName, getDottedFieldSig, getDottedMethodSig, getDottedSuperclassName, getFieldIsStatic, getFieldName, getFieldSig, getFullyQualifiedFieldName, getFullyQualifiedMethodName, getMethod, getMethodName, getMethodSig, getPackageName, getSourceFile, getStringFromIndex, getSuperclassName, getThisClass, visitAfter, visitCode, visitConstantPool, visitingField, visitingMethod, visitInnerClasses, visitJavaClass, visitLineNumberTable, visitLocalVariableTable
 
Methods inherited from class edu.umd.cs.findbugs.visitclass.BetterVisitor
report, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visitCodeException, visitConstantClass, visitConstantDouble, visitConstantFieldref, visitConstantFloat, visitConstantInteger, visitConstantInterfaceMethodref, visitConstantLong, visitConstantMethodref, visitConstantNameAndType, visitConstantString, visitConstantUtf8, visitConstantValue, visitDeprecated, visitExceptionTable, visitField, visitInnerClass, visitLineNumber, visitLocalVariable, visitMethod, visitSignature, visitSourceFile, visitStackMap, visitStackMapEntry, visitSynthetic, visitUnknown
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

bugReporter

private BugReporter bugReporter

SAW_NOTHING

private static final int SAW_NOTHING
See Also:
Constant Field Values

SAW_MAP_LOAD1

private static final int SAW_MAP_LOAD1
See Also:
Constant Field Values

SAW_KEYSET

private static final int SAW_KEYSET
See Also:
Constant Field Values

SAW_KEYSET_STORE

private static final int SAW_KEYSET_STORE
See Also:
Constant Field Values

SAW_ITERATOR

private static final int SAW_ITERATOR
See Also:
Constant Field Values

SAW_ITERATOR_STORE

private static final int SAW_ITERATOR_STORE
See Also:
Constant Field Values

SAW_ITERATOR_LOAD

private static final int SAW_ITERATOR_LOAD
See Also:
Constant Field Values

SAW_NEXT

private static final int SAW_NEXT
See Also:
Constant Field Values

SAW_CHECKCAST_ON_NEXT

private static final int SAW_CHECKCAST_ON_NEXT
See Also:
Constant Field Values

SAW_KEY_STORE

private static final int SAW_KEY_STORE
See Also:
Constant Field Values

NEED_KEYSET_LOAD

private static final int NEED_KEYSET_LOAD
See Also:
Constant Field Values

SAW_MAP_LOAD2

private static final int SAW_MAP_LOAD2
See Also:
Constant Field Values

SAW_KEY_LOAD

private static final int SAW_KEY_LOAD
See Also:
Constant Field Values

SAW_MAP_GET

private static final int SAW_MAP_GET
See Also:
Constant Field Values

state

private int state

loadedRegister

private int loadedRegister

mapRegister

private int mapRegister

keySetRegister

private int keySetRegister

iteratorRegister

private int iteratorRegister

keyRegister

private int keyRegister
Constructor Detail

WrongMapIterator

public WrongMapIterator(BugReporter bugReporter)
Method Detail

visit

public void visit(org.apache.bcel.classfile.Method obj)
Overrides:
visit in class BetterVisitor

sawOpcode

public void sawOpcode(int seen)
Overrides:
sawOpcode in class DismantleBytecode

getLoadStoreRegister

private int getLoadStoreRegister(int seen,
                                 boolean doLoad)