Examples with FQMethod com.mebigfatguy.fbcontrib.utils.FQMethod used on opensource projects

Example 11 with FQMethod

use of com.mebigfatguy.fbcontrib.utils.FQMethod in project fb-contrib by mebigfatguy.

the class JPAIssues method catalogFieldOrMethod.

/**
 * parses a field or method for spring-tx or jpa annotations
 *
 * @param fm
 *            the currently parsed field or method
 */
private void catalogFieldOrMethod(FieldOrMethod fm) {
    for (AnnotationEntry entry : fm.getAnnotationEntries()) {
        String type = entry.getAnnotationType();
        switch(type) {
            case "Lorg/springframework/transaction/annotation/Transactional;":
                if (fm instanceof Method) {
                    boolean isWrite = true;
                    for (ElementValuePair pair : entry.getElementValuePairs()) {
                        if ("readOnly".equals(pair.getNameString())) {
                            isWrite = "false".equals(pair.getValue().stringifyValue());
                            break;
                        }
                    }
                    transactionalMethods.put(new FQMethod(cls.getClassName(), fm.getName(), fm.getSignature()), isWrite ? TransactionalType.WRITE : TransactionalType.READ);
                }
                break;
            case "Ljavax/persistence/Id;":
                hasId = true;
                break;
            case "Ljavax/persistence/GeneratedValue;":
                hasGeneratedValue = true;
                break;
            case "Ljavax/persistence/OneToMany;":
                for (ElementValuePair pair : entry.getElementValuePairs()) {
                    if ("fetch".equals(pair.getNameString()) && "EAGER".equals(pair.getValue().stringifyValue())) {
                        hasEagerOneToMany = true;
                        break;
                    }
                }
                break;
            case "Lorg/hibernate/annotations/Fetch;":
            case "Lorg/eclipse/persistence/annotations/JoinFetch;":
            case "Lorg/eclipse/persistence/annotations/BatchFetch;":
                hasFetch = true;
                break;
            default:
                break;
        }
    }
}

Example 12 with FQMethod

use of com.mebigfatguy.fbcontrib.utils.FQMethod in project fb-contrib by mebigfatguy.

the class LingeringGraphicsObjects method sawOpcode.

@Override
public void sawOpcode(int seen) {
    Integer sawNewGraphicsAt = null;
    try {
        stack.precomputation(this);
        switch(seen) {
            case Const.ALOAD:
            case Const.ALOAD_0:
            case Const.ALOAD_1:
            case Const.ALOAD_2:
            case Const.ALOAD_3:
                {
                    int reg = RegisterUtils.getALoadReg(this, seen);
                    sawNewGraphicsAt = graphicsRegs.get(Integer.valueOf(reg));
                }
                break;
            case Const.ASTORE:
            case Const.ASTORE_0:
            case Const.ASTORE_1:
            case Const.ASTORE_2:
            case Const.ASTORE_3:
                {
                    if (stack.getStackDepth() > 0) {
                        OpcodeStack.Item item = stack.getStackItem(0);
                        sawNewGraphicsAt = (Integer) item.getUserValue();
                        Integer reg = Integer.valueOf(RegisterUtils.getAStoreReg(this, seen));
                        if (sawNewGraphicsAt != null) {
                            graphicsRegs.put(reg, sawNewGraphicsAt);
                        } else {
                            graphicsRegs.remove(reg);
                        }
                        sawNewGraphicsAt = null;
                    }
                }
                break;
            case Const.ARETURN:
                if (stack.getStackDepth() > 0) {
                    OpcodeStack.Item item = stack.getStackItem(0);
                    graphicsRegs.remove(Integer.valueOf(item.getRegisterNumber()));
                }
                break;
            case Const.INVOKEVIRTUAL:
                String clsName = getClassConstantOperand();
                String methodName = getNameConstantOperand();
                String methodSig = getSigConstantOperand();
                FQMethod methodInfo = new FQMethod(clsName, methodName, methodSig);
                if (GRAPHICS_PRODUCERS.contains(methodInfo)) {
                    sawNewGraphicsAt = Integer.valueOf(getPC());
                } else if (GRAPHICS_DISPOSERS.contains(methodInfo) && (stack.getStackDepth() > 0)) {
                    OpcodeStack.Item item = stack.getStackItem(0);
                    graphicsRegs.remove(Integer.valueOf(item.getRegisterNumber()));
                }
                break;
            default:
                break;
        }
    } finally {
        TernaryPatcher.pre(stack, seen);
        stack.sawOpcode(this, seen);
        TernaryPatcher.post(stack, seen);
        if ((sawNewGraphicsAt != null) && (stack.getStackDepth() > 0)) {
            OpcodeStack.Item item = stack.getStackItem(0);
            item.setUserValue(sawNewGraphicsAt);
        }
    }
}

Example 13 with FQMethod

use of com.mebigfatguy.fbcontrib.utils.FQMethod in project fb-contrib by mebigfatguy.

the class ListUsageIssues method sawOpcode.

@Override
public void sawOpcode(int seen) {
    LUIUserValue userValue = null;
    try {
        if (seen == Const.INVOKESTATIC) {
            FQMethod fqm = new FQMethod(getClassConstantOperand(), getNameConstantOperand(), getSigConstantOperand());
            if (ARRAYS_ASLIST_METHOD.equals(fqm)) {
                if (stack.getStackDepth() > 0) {
                    OpcodeStack.Item itm = stack.getStackItem(0);
                    if (Values.ONE.equals(itm.getConstant())) {
                        if (clsVersion >= Const.MAJOR_1_8) {
                            bugReporter.reportBug(new BugInstance(this, BugType.LUI_USE_SINGLETON_LIST.name(), NORMAL_PRIORITY).addClass(this).addMethod(this).addSourceLine(this));
                        }
                        userValue = LUIUserValue.ONE_ITEM_LIST;
                    }
                }
            } else if (COLLECTIONS_SINGLETONLIST_METHOD.equals(fqm)) {
                userValue = LUIUserValue.ONE_ITEM_LIST;
            }
        } else if (seen == Const.INVOKEINTERFACE) {
            FQMethod fqm = new FQMethod(getClassConstantOperand(), getNameConstantOperand(), getSigConstantOperand());
            if (ADDALL_METHODS.contains(fqm)) {
                if (stack.getStackDepth() >= 2) {
                    OpcodeStack.Item itm = stack.getStackItem(0);
                    if ((itm.getUserValue() == LUIUserValue.ONE_ITEM_LIST) && (itm.getRegisterNumber() < 0) && (itm.getXField() == null)) {
                        bugReporter.reportBug(new BugInstance(this, BugType.LUI_USE_COLLECTION_ADD.name(), NORMAL_PRIORITY).addClass(this).addMethod(this).addSourceLine(this));
                    }
                }
            } else if (LIST_STREAM_METHOD.equals(fqm)) {
                userValue = LUIUserValue.LIST_STREAM;
            } else if (STREAM_FINDFIRST_METHOD.equals(fqm)) {
                if (stack.getStackDepth() > 0) {
                    OpcodeStack.Item itm = stack.getStackItem(0);
                    if (itm.getUserValue() == LUIUserValue.LIST_STREAM) {
                        userValue = LUIUserValue.STREAM_OPTIONAL;
                    }
                }
            }
        } else if (seen == INVOKEVIRTUAL) {
            FQMethod fqm = new FQMethod(getClassConstantOperand(), getNameConstantOperand(), getSigConstantOperand());
            if (OPTIONAL_GET_METHOD.equals(fqm)) {
                if (stack.getStackDepth() > 0) {
                    OpcodeStack.Item itm = stack.getStackItem(0);
                    if (itm.getUserValue() == LUIUserValue.STREAM_OPTIONAL) {
                        bugReporter.reportBug(new BugInstance(this, BugType.LUI_USE_GET0.name(), NORMAL_PRIORITY).addClass(this).addMethod(this).addSourceLine(this));
                    }
                }
            }
        }
    } finally {
        stack.sawOpcode(this, seen);
        if ((userValue != null) && (stack.getStackDepth() > 0)) {
            OpcodeStack.Item itm = stack.getStackItem(0);
            itm.setUserValue(userValue);
        }
    }
}

Example 14 with FQMethod

use of com.mebigfatguy.fbcontrib.utils.FQMethod in project fb-contrib by mebigfatguy.

the class IOIssues method processInvokeStatic.

private void processInvokeStatic() {
    String clsName = getClassConstantOperand();
    String methodName = getNameConstantOperand();
    FQMethod m = new FQMethod(clsName, methodName, ANY_PARMS);
    if (COPY_METHODS.contains(m)) {
        String signature = getSigConstantOperand();
        int numArguments = SignatureUtils.getNumParameters(signature);
        if (stack.getStackDepth() >= numArguments) {
            for (int i = 0; i < numArguments; i++) {
                OpcodeStack.Item itm = stack.getStackItem(i);
                IOIUserValue uv = (IOIUserValue) itm.getUserValue();
                if (uv != null) {
                    switch(uv) {
                        case BUFFER:
                            bugReporter.reportBug(new BugInstance(this, BugType.IOI_DOUBLE_BUFFER_COPY.name(), NORMAL_PRIORITY).addClass(this).addMethod(this).addSourceLine(this));
                            break;
                        case READER:
                            bugReporter.reportBug(new BugInstance(this, BugType.IOI_COPY_WITH_READER.name(), NORMAL_PRIORITY).addClass(this).addMethod(this).addSourceLine(this));
                    }
                    break;
                }
            }
        }
    }
}

Example 15 with FQMethod

use of com.mebigfatguy.fbcontrib.utils.FQMethod in project fb-contrib by mebigfatguy.

the class ConflictingTimeUnits method processInvoke.

private Units processInvoke() {
    String signature = getSigConstantOperand();
    FQMethod methodCall = new FQMethod(getClassConstantOperand(), getNameConstantOperand(), signature);
    Units unit = TIME_UNIT_GENERATING_METHODS.get(methodCall);
    if (unit == Units.CALLER) {
        int offset = SignatureUtils.getNumParameters(signature);
        if (stack.getStackDepth() > offset) {
            OpcodeStack.Item item = stack.getStackItem(offset);
            unit = (Units) item.getUserValue();
        } else {
            unit = null;
        }
    }
    return unit;
}