Package com.ibm.wala.classLoader

Class ProgramCounter

java.lang.Object
com.ibm.wala.classLoader.ProgramCounter
Direct Known Subclasses:
CallSiteReference, NewSiteReference
public class ProgramCounter extends Object
Simple object that represents a program counter value (i.e., an instruction in the bytecode)

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final int
    NO_SOURCE_LINE_NUMBER
    A constant indicating no source line number information is available.

  • Constructor Summary

    Constructors
    Constructor
    Description
    ProgramCounter(int programCounter)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    equals(Object obj)
    A Program Counter value is enough to uniquely identify a call site reference within a method.
    int
    getProgramCounter()
    Return the program counter (index into the method's bytecode) for this call site.
    int
    hashCode()
     
    String
    toString()
     

    Methods inherited from class java.lang.Object

    clone, finalize, getClass, notify, notifyAll, wait, wait, wait

  • Field Details

    • NO_SOURCE_LINE_NUMBER

      public static final int NO_SOURCE_LINE_NUMBER
      A constant indicating no source line number information is available.
      See Also:

  • Constructor Details

    • ProgramCounter

      public ProgramCounter(int programCounter)
      Parameters:
      programCounter - Index into bytecode describing this instruction

  • Method Details

    • getProgramCounter

      public int getProgramCounter()
      Return the program counter (index into the method's bytecode) for this call site.
      Returns:
      the program counter (index into the method's bytecode) for this call site.

    • equals

      public boolean equals(Object obj)
      A Program Counter value is enough to uniquely identify a call site reference within a method.

      Note: must use these objects with extreme care; this only works if you never mix ProgramLocations from different methods in the same collection.

      Overrides:
      equals in class Object

    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object

    • toString

      public String toString()
      Overrides:
      toString in class Object