proguard.util

Class PartialEvaluatorUtils

java.lang.Object

proguard.util.PartialEvaluatorUtils

public class PartialEvaluatorUtils
extends java.lang.Object

Helper functions to access PartialEvaluator results more conveniently.

Method Summary

Modifier and Type	Method and Description
static java.lang.Object	getIdFromSpecificReferenceValue(ReferenceValue value) Returns the identifier of a reference value for which Value.isSpecific() is true (i.e., the reference is identified by a unique number).
static Value	getStackBefore(PartialEvaluator partialEvaluator, int offset, int index) Returns the value from the before stack at offset, counting from the top.
static Value	getStackValue(Stack stack, int indexFromTop) Returns the value from the stack, counting from the top of the stack.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getStackValue

public static Value getStackValue(Stack stack,
                                  int indexFromTop)

Returns the value from the stack, counting from the top of the stack. If the stack does not contain that many elements, returns null.

getStackBefore

public static Value getStackBefore(PartialEvaluator partialEvaluator,
                                   int offset,
                                   int index)

Returns the value from the before stack at offset, counting from the top. If the stack does not contain that many elements, returns null.

getIdFromSpecificReferenceValue

public static java.lang.Object getIdFromSpecificReferenceValue(ReferenceValue value)

Returns the identifier of a reference value for which Value.isSpecific() is true (i.e., the reference is identified by a unique number).

This helper method is needed because IdentifiedReferenceValue and IdentifiedArrayReferenceValue do not share the relevant portion of the class hierarchy, but a better solution should be implemented in the future.