DeadLocalStoreProperty.java

package edu.umd.cs.findbugs.detect;

import edu.umd.cs.findbugs.props.AbstractWarningProperty;
import edu.umd.cs.findbugs.props.PriorityAdjustment;

/**
 * Warning property for FindDeadLocalStores.
 * 
 * @author David Hovemeyer
 */
public class DeadLocalStoreProperty extends AbstractWarningProperty {
    private DeadLocalStoreProperty(String name, PriorityAdjustment priorityAdjustment) {
        super(name, priorityAdjustment);
    }

    /** A store in a JSP page */
    public static final DeadLocalStoreProperty IN_JSP_PAGE = new DeadLocalStoreProperty("IN_JSP_PAGE",
            PriorityAdjustment.FALSE_POSITIVE);

    /** A store in non Java page */
    public static final DeadLocalStoreProperty NOT_JAVA = new DeadLocalStoreProperty("IN_JSP_PAGE",
            PriorityAdjustment.AT_MOST_LOW);

    /**
     * A store that seemed to have been cloned (an inlined finally block or JSR?
     */
    public static final DeadLocalStoreProperty CLONED_STORE = new DeadLocalStoreProperty("CLONED_STORE",
            PriorityAdjustment.FALSE_POSITIVE);

    /** Store is killed by a subsequent store. */
    public static final DeadLocalStoreProperty KILLED_BY_SUBSEQUENT_STORE = new DeadLocalStoreProperty(
            "KILLED_BY_SUBSEQUENT_STORE", PriorityAdjustment.LOWER_PRIORITY);

    /** Store of database operation */
    public static final DeadLocalStoreProperty STORE_OF_DATABASE_VALUE = new DeadLocalStoreProperty("STORE_OF_DATABASE_VALUE",
            PriorityAdjustment.RAISE_PRIORITY_TO_AT_LEAST_NORMAL);

    /** Dead store is of a defense programming constant value. */
    public static final DeadLocalStoreProperty DEFENSIVE_CONSTANT_OPCODE = new DeadLocalStoreProperty(
            "DEFENSIVE_CONSTANT_OPCODE", PriorityAdjustment.A_LITTLE_BIT_LOWER_PRIORITY);

    /** Dead store is likely to be the exception object in an exception handler. */
    public static final DeadLocalStoreProperty EXCEPTION_HANDLER = new DeadLocalStoreProperty("EXCEPTION_HANDLER",
            PriorityAdjustment.FALSE_POSITIVE);

    /** The dead store is an increment. */
    public static final DeadLocalStoreProperty DEAD_INCREMENT = new DeadLocalStoreProperty("DEAD_INCREMENT",
            PriorityAdjustment.LOWER_PRIORITY);
    public static final DeadLocalStoreProperty DEAD_INCREMENT_IN_RETURN = new DeadLocalStoreProperty("DEAD_INCREMENT_IN_RETURN",
            PriorityAdjustment.NO_ADJUSTMENT);

    public static final DeadLocalStoreProperty DEAD_INCREMENT_IN_MAIN = new DeadLocalStoreProperty("DEAD_INCREMENT",
            PriorityAdjustment.AT_MOST_LOW);

    public static final DeadLocalStoreProperty METHOD_RESULT = new DeadLocalStoreProperty("METHOD_RESULT",
            PriorityAdjustment.A_LITTLE_BIT_HIGHER_PRIORITY);

    /** The dead store is an increment: the only one in the method. */
    public static final DeadLocalStoreProperty SINGLE_DEAD_INCREMENT = new DeadLocalStoreProperty("SINGLE_DEAD_INCREMENT",
            PriorityAdjustment.RAISE_PRIORITY);

    /** Dead store is of a newly allocated object. */
    public static final DeadLocalStoreProperty DEAD_OBJECT_STORE = new DeadLocalStoreProperty("DEAD_OBJECT_STORE",
            PriorityAdjustment.RAISE_PRIORITY);

    /** Method contains two stores and multiple loads of this local. */
    public static final DeadLocalStoreProperty TWO_STORES_MULTIPLE_LOADS = new DeadLocalStoreProperty(
            "TWO_STORES_MULTIPLE_LOADS", PriorityAdjustment.NO_ADJUSTMENT);

    /** There is only one store of this local. (Maybe it's final?) */
    public static final DeadLocalStoreProperty SINGLE_STORE = new DeadLocalStoreProperty("SINGLE_STORE",
            PriorityAdjustment.FALSE_POSITIVE);

    /** There is a dup immediately before the store; perhaps a ++ operation */
    public static final DeadLocalStoreProperty DUP_THEN_STORE = new DeadLocalStoreProperty("DUP_THEN_STORE",
            PriorityAdjustment.FALSE_POSITIVE);

    /** There are no loads of this local. (Maybe it's final?). */
    public static final DeadLocalStoreProperty NO_LOADS = new DeadLocalStoreProperty("NO_LOADS",
            PriorityAdjustment.A_LITTLE_BIT_LOWER_PRIORITY);

    /** Variable shadows a fields with the same name */
    public static final DeadLocalStoreProperty SHADOWS_FIELD = new DeadLocalStoreProperty("SHADOWS_FIELD",
            PriorityAdjustment.RAISE_PRIORITY);

    public static final DeadLocalStoreProperty SYNTHETIC_NAME = new DeadLocalStoreProperty("SYNTHETIC_NAME",
            PriorityAdjustment.AT_MOST_LOW);

    /** This local is a parameter which is dead on entry to the method. */
    public static final DeadLocalStoreProperty PARAM_DEAD_ON_ENTRY = new DeadLocalStoreProperty("PARAM_DEAD_ON_ENTRY",
            PriorityAdjustment.RAISE_PRIORITY_TO_HIGH);

    /** Name of the local variable. */
    public static final DeadLocalStoreProperty LOCAL_NAME = new DeadLocalStoreProperty("LOCAL_NAME",
            PriorityAdjustment.NO_ADJUSTMENT);

    /** Caching value */
    public static final DeadLocalStoreProperty CACHING_VALUE = new DeadLocalStoreProperty("CACHING_VALUE",
            PriorityAdjustment.LOWER_PRIORITY);

    /** copy value */
    public static final DeadLocalStoreProperty COPY_VALUE = new DeadLocalStoreProperty("COPY_VALUE",
            PriorityAdjustment.A_LITTLE_BIT_LOWER_PRIORITY);

    /** primitive or string */
    public static final DeadLocalStoreProperty BASE_VALUE = new DeadLocalStoreProperty("BASE_VALUE",
            PriorityAdjustment.A_LITTLE_BIT_LOWER_PRIORITY);

    /** many stores */
    public static final DeadLocalStoreProperty MANY_STORES = new DeadLocalStoreProperty("MANY_STORES",
            PriorityAdjustment.LOWER_PRIORITY);

    public static final DeadLocalStoreProperty STORE_OF_NULL = new DeadLocalStoreProperty("STORE_OF_NULL",
            PriorityAdjustment.AT_MOST_LOW);

    public static final DeadLocalStoreProperty STORE_OF_CONSTANT = new DeadLocalStoreProperty("STORE_OF_CONSTANT",
            PriorityAdjustment.LOWER_PRIORITY);

    public static final DeadLocalStoreProperty IS_PARAMETER = new DeadLocalStoreProperty("IS_PARAMETER",
            PriorityAdjustment.RAISE_PRIORITY);

}