Java Code Examples for org.apache.bcel.Const#INVOKEVIRTUAL
The following examples show how to use
org.apache.bcel.Const#INVOKEVIRTUAL .
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Example 1
Source File: FindUnconditionalWait.java From spotbugs with GNU Lesser General Public License v2.1 | 6 votes |
@Override public void sawOpcode(int seen) { switch (stage) { case 0: if (seen == Const.MONITORENTER) { stage = 1; } break; case 1: if (seen == Const.INVOKEVIRTUAL && "wait".equals(getNameConstantOperand())) { bugReporter.reportBug(new BugInstance(this, "UW_UNCOND_WAIT", "()V".equals(getSigConstantOperand()) ? NORMAL_PRIORITY : LOW_PRIORITY).addClassAndMethod(this) .addSourceLine(this)); stage = 2; } break; default: break; } }
Example 2
Source File: StartInConstructor.java From spotbugs with GNU Lesser General Public License v2.1 | 6 votes |
@Override public void sawOpcode(int seen) { if (seen == Const.INVOKEVIRTUAL && "start".equals(getNameConstantOperand()) && "()V".equals(getSigConstantOperand())) { try { if (Hierarchy.isSubtype(getDottedClassConstantOperand(), "java.lang.Thread")) { int priority = Priorities.NORMAL_PRIORITY; if (getPC() + 4 >= getCode().getCode().length) { priority = Priorities.LOW_PRIORITY; } BugInstance bug = new BugInstance(this, "SC_START_IN_CTOR", priority).addClassAndMethod(this) .addCalledMethod(this); Subtypes2 subtypes2 = AnalysisContext.currentAnalysisContext().getSubtypes2(); Set<ClassDescriptor> directSubtypes = subtypes2.getDirectSubtypes(getClassDescriptor()); if (!directSubtypes.isEmpty()) { for (ClassDescriptor sub : directSubtypes) { bug.addClass(sub).describe(ClassAnnotation.SUBCLASS_ROLE); } bug.setPriority(Priorities.HIGH_PRIORITY); } bugAccumulator.accumulateBug(bug, this); } } catch (ClassNotFoundException e) { bugReporter.reportMissingClass(e); } } }
Example 3
Source File: FindRunInvocations.java From spotbugs with GNU Lesser General Public License v2.1 | 6 votes |
@Override public void sawOpcode(int seen) { if (alreadySawStart) { return; } if ((seen == Const.INVOKEVIRTUAL || seen == Const.INVOKEINTERFACE) && "()V".equals(getSigConstantOperand()) && isThread(getDottedClassConstantOperand())) { if ("start".equals(getNameConstantOperand())) { alreadySawStart = true; } else { boolean isJustThread = !"java.lang.Thread".equals(getDottedClassConstantOperand()); if (amVisitingMainMethod() && getPC() == getCode().getLength() - 4 && isJustThread) { return; } else if ("run".equals(getNameConstantOperand())) { bugAccumulator.accumulateBug(new BugInstance(this, "RU_INVOKE_RUN", isJustThread ? HIGH_PRIORITY : NORMAL_PRIORITY).addClassAndMethod(this), this); } } } }
Example 4
Source File: EmptyZipFileEntry.java From spotbugs with GNU Lesser General Public License v2.1 | 6 votes |
@Override public void sawOpcode(int seen) { if (seen == Const.INVOKEVIRTUAL && "putNextEntry".equals(getNameConstantOperand())) { streamType = getClassConstantOperand(); if ("java/util/zip/ZipOutputStream".equals(streamType) || "java/util/jar/JarOutputStream".equals(streamType)) { sawPutEntry = getPC(); } else { streamType = ""; } } else { if (getPC() - sawPutEntry <= 7 && seen == Const.INVOKEVIRTUAL && "closeEntry".equals(getNameConstantOperand()) && getClassConstantOperand().equals(streamType)) { bugReporter .reportBug(new BugInstance(this, "java/util/zip/ZipOutputStream".equals(streamType) ? "AM_CREATES_EMPTY_ZIP_FILE_ENTRY" : "AM_CREATES_EMPTY_JAR_FILE_ENTRY", NORMAL_PRIORITY).addClassAndMethod(this) .addSourceLine(this)); } } }
Example 5
Source File: OverridingEqualsNotSymmetrical.java From spotbugs with GNU Lesser General Public License v2.1 | 5 votes |
private boolean callToInvoke(int seen) { if (seen == Const.INVOKEVIRTUAL || seen == Const.INVOKEINTERFACE || seen == Const.INVOKESPECIAL) { return invokesMethodWithEqualLikeName() && EQUALS_SIGNATURE.equals(getSigConstantOperand()); } if (seen == Const.INVOKESTATIC) { String sig = getSigConstantOperand(); return invokesMethodWithEqualLikeName() && sig.endsWith("Ljava/lang/Object;)Z"); } return false; }
Example 6
Source File: DismantleBytecode.java From spotbugs with GNU Lesser General Public License v2.1 | 5 votes |
public boolean isMethodCall() { switch (opcode) { default: return false; case Const.INVOKEINTERFACE: case Const.INVOKESPECIAL: case Const.INVOKEVIRTUAL: case Const.INVOKESTATIC: return true; } }
Example 7
Source File: IteratorIdioms.java From spotbugs with GNU Lesser General Public License v2.1 | 5 votes |
@Override public void sawOpcode(int seen) { if (seen == Const.NEW && "java/util/NoSuchElementException".equals(getClassConstantOperand())) { sawNoSuchElement = true; } else if (seen == Const.INVOKESPECIAL || seen == Const.INVOKEVIRTUAL || seen == Const.INVOKEINTERFACE) { sawCall = true; String name = getNameConstantOperand().toLowerCase(); if (name.indexOf("next") >= 0 || name.indexOf("previous") >= 0) { sawNoSuchElement = true; } } }
Example 8
Source File: DumbMethods.java From spotbugs with GNU Lesser General Public License v2.1 | 5 votes |
/** * Return index of stack entry that must be nonnegative. * * Return -1 if no stack entry is required to be nonnegative. */ private int stackEntryThatMustBeNonnegative(int seen) { switch (seen) { case Const.INVOKEINTERFACE: if ("java/util/List".equals(getClassConstantOperand())) { return getStackEntryOfListCallThatMustBeNonnegative(); } break; case Const.INVOKEVIRTUAL: if ("java/util/LinkedList".equals(getClassConstantOperand()) || "java/util/ArrayList".equals(getClassConstantOperand())) { return getStackEntryOfListCallThatMustBeNonnegative(); } break; case Const.IALOAD: case Const.AALOAD: case Const.SALOAD: case Const.CALOAD: case Const.BALOAD: case Const.LALOAD: case Const.DALOAD: case Const.FALOAD: return 0; case Const.IASTORE: case Const.AASTORE: case Const.SASTORE: case Const.CASTORE: case Const.BASTORE: case Const.LASTORE: case Const.DASTORE: case Const.FASTORE: return 1; } return -1; }
Example 9
Source File: DumbMethods.java From spotbugs with GNU Lesser General Public License v2.1 | 5 votes |
@Override public void sawOpcode(int seen) { if (seen == Const.INVOKEVIRTUAL && "java/util/Random".equals(getClassConstantOperand()) && (freshRandomOnTos || freshRandomOneBelowTos)) { accumulator.accumulateBug(new BugInstance(DumbMethods.this, "DMI_RANDOM_USED_ONLY_ONCE", HIGH_PRIORITY) .addClassAndMethod(DumbMethods.this).addCalledMethod(DumbMethods.this), DumbMethods.this); } freshRandomOneBelowTos = freshRandomOnTos && isRegisterLoad(); freshRandomOnTos = seen == Const.INVOKESPECIAL && "java/util/Random".equals(getClassConstantOperand()) && Const.CONSTRUCTOR_NAME.equals(getNameConstantOperand()); }
Example 10
Source File: FindUnreleasedLock.java From spotbugs with GNU Lesser General Public License v2.1 | 5 votes |
private InvokeInstruction toInvokeInstruction(Instruction ins) { short opcode = ins.getOpcode(); if (opcode != Const.INVOKEVIRTUAL && opcode != Const.INVOKEINTERFACE) { return null; } return (InvokeInstruction) ins; }
Example 11
Source File: DumbMethods.java From spotbugs with GNU Lesser General Public License v2.1 | 5 votes |
@Override public void sawOpcode(int seen) { if (seen == Const.INVOKEVIRTUAL && "java/util/concurrent/ScheduledThreadPoolExecutor".equals(getClassConstantOperand()) && "setMaximumPoolSize".equals(getNameConstantOperand())) { accumulator.accumulateBug(new BugInstance(DumbMethods.this, "DMI_FUTILE_ATTEMPT_TO_CHANGE_MAXPOOL_SIZE_OF_SCHEDULED_THREAD_POOL_EXECUTOR", HIGH_PRIORITY) .addClassAndMethod(DumbMethods.this), DumbMethods.this); } }
Example 12
Source File: FieldSetAnalysis.java From spotbugs with GNU Lesser General Public License v2.1 | 5 votes |
private void handleInstruction(InstructionHandle handle, BasicBlock basicBlock, FieldSet fact) { Instruction ins = handle.getInstruction(); short opcode = ins.getOpcode(); XField field; switch (opcode) { case Const.GETFIELD: case Const.GETSTATIC: field = lookupField(handle, (FieldInstruction) ins); if (field != null) { sawLoad(fact, field); } break; case Const.PUTFIELD: case Const.PUTSTATIC: field = lookupField(handle, (FieldInstruction) ins); if (field != null) { sawStore(fact, field); } break; case Const.INVOKEINTERFACE: case Const.INVOKESPECIAL: case Const.INVOKESTATIC: case Const.INVOKEVIRTUAL: // Assume that the called method assigns loads and stores all // possible fields fact.setBottom(); break; default: break; } }
Example 13
Source File: BadSyntaxForRegularExpression.java From spotbugs with GNU Lesser General Public License v2.1 | 5 votes |
@Override public void sawOpcode(int seen) { if (seen == Const.INVOKESTATIC && "java/util/regex/Pattern".equals(getClassConstantOperand()) && "compile".equals(getNameConstantOperand()) && getSigConstantOperand().startsWith("(Ljava/lang/String;I)")) { sawRegExPattern(1, getIntValue(0, 0)); } else if (seen == Const.INVOKESTATIC && "java/util/regex/Pattern".equals(getClassConstantOperand()) && "compile".equals(getNameConstantOperand()) && getSigConstantOperand().startsWith("(Ljava/lang/String;)")) { sawRegExPattern(0); } else if (seen == Const.INVOKESTATIC && "java/util/regex/Pattern".equals(getClassConstantOperand()) && "matches".equals(getNameConstantOperand())) { sawRegExPattern(1); } else if (seen == Const.INVOKEVIRTUAL && "java/lang/String".equals(getClassConstantOperand()) && "replaceAll".equals(getNameConstantOperand())) { sawRegExPattern(1); singleDotPatternWouldBeSilly(1, true); } else if (seen == Const.INVOKEVIRTUAL && "java/lang/String".equals(getClassConstantOperand()) && "replaceFirst".equals(getNameConstantOperand())) { sawRegExPattern(1); singleDotPatternWouldBeSilly(1, false); } else if (seen == Const.INVOKEVIRTUAL && "java/lang/String".equals(getClassConstantOperand()) && "matches".equals(getNameConstantOperand())) { sawRegExPattern(0); singleDotPatternWouldBeSilly(0, false); } else if (seen == Const.INVOKEVIRTUAL && "java/lang/String".equals(getClassConstantOperand()) && "split".equals(getNameConstantOperand())) { sawRegExPattern(0); singleDotPatternWouldBeSilly(0, false); } }
Example 14
Source File: FindUninitializedGet.java From spotbugs with GNU Lesser General Public License v2.1 | 4 votes |
@Override public void sawOpcode(int seen) { if (!inConstructor) { return; } if (uninitializedFieldReadAndCheckedForNonnull != null) { if (seen == Const.NEW && getClassConstantOperand().endsWith("Exception")) { uninitializedFieldReadAndCheckedForNonnull.raisePriority(); } uninitializedFieldReadAndCheckedForNonnull = null; } if (seen == Const.ALOAD_0) { thisOnTOS = true; return; } if (seen == Const.PUTFIELD && getClassConstantOperand().equals(getClassName())) { initializedFields.add(FieldAnnotation.fromReferencedField(this)); } else if (thisOnTOS && seen == Const.GETFIELD && getClassConstantOperand().equals(getClassName())) { UnreadFieldsData unreadFields = AnalysisContext.currentAnalysisContext().getUnreadFieldsData(); XField xField = XFactory.createReferencedXField(this); FieldAnnotation f = FieldAnnotation.fromReferencedField(this); int nextOpcode = 0xff & codeBytes[getPC() + 3]; if (nextOpcode != Const.POP && !initializedFields.contains(f) && declaredFields.contains(f) && !containerFields.contains(f) && !unreadFields.isContainerField(xField)) { // System.out.println("Next opcode: " + // Const.getOpcodeName(nextOpcode)); LocalVariableAnnotation possibleTarget = LocalVariableAnnotation.findMatchingIgnoredParameter(getClassContext(), getMethod(), getNameConstantOperand(), xField.getSignature()); if (possibleTarget == null) { possibleTarget = LocalVariableAnnotation.findUniqueBestMatchingParameter(getClassContext(), getMethod(), getNameConstantOperand(), getSigConstantOperand()); } int priority = unreadFields.getReadFields().contains(xField) ? NORMAL_PRIORITY : LOW_PRIORITY; boolean priorityLoweredBecauseOfIfNonnullTest = false; if (possibleTarget != null) { priority--; } else { FieldSummary fieldSummary = AnalysisContext.currentAnalysisContext().getFieldSummary(); if (fieldSummary.callsOverriddenMethodsFromSuperConstructor(getClassDescriptor())) { priority++; } else if (nextOpcode == Const.IFNONNULL) { priority++; priorityLoweredBecauseOfIfNonnullTest = true; } } BugInstance bug = new BugInstance(this, "UR_UNINIT_READ", priority).addClassAndMethod(this).addField(f) .addOptionalAnnotation(possibleTarget).addSourceLine(this); pendingBugs.add(bug); if (priorityLoweredBecauseOfIfNonnullTest) { uninitializedFieldReadAndCheckedForNonnull = bug; } initializedFields.add(f); } } else if ((seen == Const.INVOKESPECIAL && !(Const.CONSTRUCTOR_NAME.equals(getNameConstantOperand()) && !getClassConstantOperand().equals( getClassName()))) || (seen == Const.INVOKESTATIC && "doPrivileged".equals(getNameConstantOperand()) && "java/security/AccessController".equals( getClassConstantOperand())) || (seen == Const.INVOKEVIRTUAL && getClassConstantOperand().equals(getClassName())) || (seen == Const.INVOKEVIRTUAL && "start".equals(getNameConstantOperand()))) { inConstructor = false; } thisOnTOS = false; }
Example 15
Source File: WrongMapIterator.java From spotbugs with GNU Lesser General Public License v2.1 | 4 votes |
@Override public void sawOpcode(int seen) { boolean loadedPreserved = false; if (isRegisterStore() && !isRegisterLoad()) { handleStore(getRegisterOperand()); } else { switch (seen) { case Const.INVOKEINTERFACE: case Const.INVOKEVIRTUAL: if (!loadedVariable.none() && "keySet".equals(getNameConstantOperand()) && "()Ljava/util/Set;".equals(getSigConstantOperand()) // Following check solves sourceforge bug 1830576 && implementsMap(getClassDescriptorOperand())) { try { LocationAndFactPair lfp = getClassContext().getTypeDataflow(getMethod()).getLocationAndFactForInstruction( getPC()); // Skip EnumMap if TypeAnalysis knows that the type is EnumMap if (lfp != null && lfp.frame.getTopValue().getSignature().equals("Ljava/util/EnumMap;")) { break; } } catch (DataflowAnalysisException | CFGBuilderException e) { // ignore } mapVariable = loadedVariable; removedFromStack(true); keySetRegister = IN_STACK; } else if ((keySetRegister == IN_STACK || loadedVariable.isRegister(keySetRegister)) && "iterator".equals(getNameConstantOperand()) && "()Ljava/util/Iterator;".equals(getSigConstantOperand())) { removedFromStack(true); iteratorRegister = IN_STACK; } else if ((iteratorRegister == IN_STACK || loadedVariable.isRegister(iteratorRegister)) && "next".equals(getNameConstantOperand()) && "()Ljava/lang/Object;".equals(getSigConstantOperand())) { removedFromStack(true); keyRegister = IN_STACK; } else if (mapAndKeyLoaded && "get".equals(getNameConstantOperand()) && "(Ljava/lang/Object;)Ljava/lang/Object;".equals(getSigConstantOperand())) { MethodAnnotation ma = MethodAnnotation.fromVisitedMethod(this); bugAccumulator.accumulateBug(mapVariable .annotate(new BugInstance(this, "WMI_WRONG_MAP_ITERATOR", NORMAL_PRIORITY).addClass(this).addMethod(ma)), this); reset(); } else if (("intValue".equals(getNameConstantOperand()) && "java/lang/Integer".equals(getClassConstantOperand())) || ("longValue".equals(getNameConstantOperand()) && "java/lang/Long".equals(getClassConstantOperand())) || ("doubleValue".equals(getNameConstantOperand()) && "java/lang/Double".equals(getClassConstantOperand())) || ("floatValue".equals(getNameConstantOperand()) && "java/lang/Float".equals(getClassConstantOperand()))) { removedFromStack(false); } else { removedFromStack(true); } break; case Const.INVOKESTATIC: if ("valueOf".equals(getNameConstantOperand()) && ("java/lang/Integer".equals(getClassConstantOperand()) || "java/lang/Long".equals(getClassConstantOperand()) || "java/lang/Double".equals(getClassConstantOperand()) || "java/lang/Float" .equals(getClassConstantOperand()))) { loadedPreserved = true; } removedFromStack(true); break; case Const.CHECKCAST: removedFromStack(false); break; default: removedFromStack(true); } } if (!loadedPreserved) { boolean mapLoaded = !loadedVariable.none() && loadedVariable.same(mapVariable); loadedVariable = loadedVariable.seen(seen); mapAndKeyLoaded = mapLoaded && loadedVariable.isRegister(keyRegister); } }
Example 16
Source File: FindNonShortCircuit.java From spotbugs with GNU Lesser General Public License v2.1 | 4 votes |
private void scanForBooleanValue(int seen) { switch (seen) { case Const.IAND: case Const.IOR: switch (prevOpcode) { case Const.ILOAD: case Const.ILOAD_0: case Const.ILOAD_1: case Const.ILOAD_2: case Const.ILOAD_3: clearAll(); break; default: break; } break; case Const.ICONST_1: stage1 = 1; switch (prevOpcode) { case Const.IFNONNULL: case Const.IFNULL: sawNullTest = true; break; case Const.IF_ICMPGT: case Const.IF_ICMPGE: case Const.IF_ICMPLT: case Const.IF_ICMPLE: sawNumericTest = true; break; } break; case Const.GOTO: if (stage1 == 1) { stage1 = 2; } else { stage1 = 0; clearAll(); } break; case Const.ICONST_0: if (stage1 == 2) { sawBooleanValue(); } stage1 = 0; break; case Const.INVOKEINTERFACE: case Const.INVOKEVIRTUAL: case Const.INVOKESPECIAL: case Const.INVOKESTATIC: String sig = getSigConstantOperand(); if (sig.endsWith(")Z")) { sawBooleanValue(); } stage1 = 0; break; default: stage1 = 0; } }
Example 17
Source File: FindNoSideEffectMethods.java From spotbugs with GNU Lesser General Public License v2.1 | 4 votes |
@Override public void sawOpcode(int seen) { if (!allowedFields.isEmpty() && seen == Const.PUTFIELD) { Item objItem = getStack().getStackItem(1); if (objItem.getRegisterNumber() == 0) { if (allowedFields.contains(getFieldDescriptorOperand())) { Item valueItem = getStack().getStackItem(0); if (!isNew(valueItem) && !valueItem.isNull()) { allowedFields.remove(getFieldDescriptorOperand()); } } } } if (status == SideEffectStatus.SIDE_EFFECT && allowedFields.isEmpty()) { // Nothing to do: skip the rest of the method throw new EarlyExitException(); } if (status == SideEffectStatus.SIDE_EFFECT) { return; } switch (seen) { case Const.ASTORE: case Const.ASTORE_0: case Const.ASTORE_1: case Const.ASTORE_2: case Const.ASTORE_3: if (finallyTargets.contains(getPC())) { finallyExceptionRegisters.add(getRegisterOperand()); } break; case Const.ATHROW: { Item exceptionItem = getStack().getStackItem(0); if (!finallyExceptionRegisters.remove(exceptionItem.getRegisterNumber())) { uselessVoidCandidate = false; try { JavaClass javaClass = exceptionItem.getJavaClass(); if (javaClass != null && ALLOWED_EXCEPTIONS.contains(javaClass.getClassName())) { break; } } catch (ClassNotFoundException e) { } status = SideEffectStatus.SIDE_EFFECT; } break; } case Const.PUTSTATIC: if (classInit) { if (getClassConstantOperand().equals(getClassName())) { break; } } status = SideEffectStatus.SIDE_EFFECT; break; case Const.INVOKEDYNAMIC: status = SideEffectStatus.SIDE_EFFECT; break; case Const.PUTFIELD: sawCall(getMethodCall(FIELD_STORE_STUB_METHOD), false); break; case Const.AASTORE: case Const.DASTORE: case Const.CASTORE: case Const.BASTORE: case Const.IASTORE: case Const.LASTORE: case Const.FASTORE: case Const.SASTORE: sawCall(getMethodCall(ARRAY_STORE_STUB_METHOD), false); break; case Const.INVOKESTATIC: if (changesOnlyNewObjects(getMethodDescriptorOperand())) { break; } sawCall(new MethodCall(getMethodDescriptorOperand(), TARGET_OTHER), false); break; case Const.INVOKESPECIAL: case Const.INVOKEINTERFACE: case Const.INVOKEVIRTUAL: { XMethod xMethodOperand = getXMethodOperand(); MethodDescriptor methodDescriptorOperand = xMethodOperand == null ? getMethodDescriptorOperand() : xMethodOperand .getMethodDescriptor(); if (changesOnlyNewObjects(getMethodDescriptorOperand())) { break; } MethodCall methodCall = getMethodCall(methodDescriptorOperand); sawCall(methodCall, false); break; } default: break; } }
Example 18
Source File: SuspiciousThreadInterrupted.java From spotbugs with GNU Lesser General Public License v2.1 | 4 votes |
@Override public void sawOpcode(int seen) { if (state == SEEN_POSSIBLE_THREAD) { if (seen == Const.POP) { state = SEEN_UNKNOWNCONTEXT_POP; return; } else { state = SEEN_NOTHING; } } switch (state) { case SEEN_NOTHING: if ((seen == Const.INVOKESTATIC) && "java/lang/Thread".equals(getClassConstantOperand()) && "currentThread".equals(getNameConstantOperand()) && "()Ljava/lang/Thread;".equals(getSigConstantOperand())) { state = SEEN_CURRENTTHREAD; } else if ((seen == Const.INVOKESTATIC || seen == Const.INVOKEINTERFACE || seen == Const.INVOKEVIRTUAL || seen == Const.INVOKESPECIAL) && getSigConstantOperand().endsWith("Ljava/lang/Thread;")) { state = SEEN_POSSIBLE_THREAD; } else if (seen == Const.ALOAD) { if (localsWithCurrentThreadValue.get(getRegisterOperand())) { state = SEEN_CURRENTTHREAD; } else { state = SEEN_POSSIBLE_THREAD; } } else if ((seen >= Const.ALOAD_0) && (seen <= Const.ALOAD_3)) { if (localsWithCurrentThreadValue.get(seen - Const.ALOAD_0)) { state = SEEN_CURRENTTHREAD; } else { state = SEEN_POSSIBLE_THREAD; } } else if ((seen == Const.GETFIELD || seen == Const.GETSTATIC) && "Ljava/lang/Thread;".equals(getSigConstantOperand())) { state = SEEN_POSSIBLE_THREAD; } break; case SEEN_CURRENTTHREAD: if (seen == Const.POP) { state = SEEN_POP_AFTER_CURRENTTHREAD; } else if (seen == Const.ASTORE) { localsWithCurrentThreadValue.set(getRegisterOperand()); state = SEEN_NOTHING; } else if ((seen >= Const.ASTORE_0) && (seen <= Const.ASTORE_3)) { localsWithCurrentThreadValue.set(seen - Const.ASTORE_0); state = SEEN_NOTHING; } else { state = SEEN_NOTHING; } break; default: if ((seen == Const.INVOKESTATIC) && "java/lang/Thread".equals(getClassConstantOperand()) && "interrupted".equals(getNameConstantOperand()) && "()Z".equals(getSigConstantOperand())) { if (state == SEEN_POP_AFTER_CURRENTTHREAD) { bugReporter.reportBug(new BugInstance(this, "STI_INTERRUPTED_ON_CURRENTTHREAD", LOW_PRIORITY) .addClassAndMethod(this).addSourceLine(this)); } else if (state == SEEN_UNKNOWNCONTEXT_POP) { bugReporter.reportBug(new BugInstance(this, "STI_INTERRUPTED_ON_UNKNOWNTHREAD", NORMAL_PRIORITY) .addClassAndMethod(this).addSourceLine(this)); } } state = SEEN_NOTHING; break; } }
Example 19
Source File: InefficientToArray.java From spotbugs with GNU Lesser General Public License v2.1 | 4 votes |
@Override public void sawOpcode(int seen) { if (DEBUG) { System.out.println("State: " + state + " Opcode: " + Const.getOpcodeName(seen)); } switch (state) { case SEEN_NOTHING: if (seen == Const.ICONST_0) { state = SEEN_ICONST_0; } break; case SEEN_ICONST_0: if (seen == Const.ANEWARRAY) { state = SEEN_ANEWARRAY; } else { state = SEEN_NOTHING; } break; case SEEN_ANEWARRAY: if (((seen == Const.INVOKEVIRTUAL) || (seen == Const.INVOKEINTERFACE)) && ("toArray".equals(getNameConstantOperand())) && ("([Ljava/lang/Object;)[Ljava/lang/Object;".equals(getSigConstantOperand()))) { try { String clsName = getDottedClassConstantOperand(); JavaClass cls = Repository.lookupClass(clsName); if (cls.implementationOf(collectionClass)) { bugAccumulator.accumulateBug( new BugInstance(this, "ITA_INEFFICIENT_TO_ARRAY", LOW_PRIORITY).addClassAndMethod(this), this); } } catch (ClassNotFoundException cnfe) { bugReporter.reportMissingClass(cnfe); } } state = SEEN_NOTHING; break; default: state = SEEN_NOTHING; break; } }
Example 20
Source File: INVOKEVIRTUAL.java From commons-bcel with Apache License 2.0 | 4 votes |
public INVOKEVIRTUAL(final int index) { super(Const.INVOKEVIRTUAL, index); }