Class CHECKCAST

All Implemented Interfaces:
Cloneable, ExceptionThrower, IndexedInstruction, LoadClass, StackConsumer, StackProducer, TypedInstruction

public class CHECKCAST extends CPInstruction implements LoadClass, ExceptionThrower, StackProducer, StackConsumer
CHECKCAST - Check whether object is of given type
Stack: ..., objectref -> ..., objectref
  • Constructor Details

    • CHECKCAST

      public CHECKCAST(int index)
      Check whether object is of given type
      Parameters:
      index - index to class in constant pool
  • Method Details

    • getExceptions

      public Class<?>[] getExceptions()
      Specified by:
      getExceptions in interface ExceptionThrower
      Returns:
      exceptions this instruction may cause
    • getLoadClassType

      public ObjectType getLoadClassType(ConstantPoolGen cpg)
      Description copied from interface: LoadClass
      Returns the ObjectType of the referenced class or interface that may be loaded and resolved.
      Specified by:
      getLoadClassType in interface LoadClass
      Returns:
      object type that may be loaded or null if a primitive is referenced
    • accept

      public void accept(Visitor v)
      Call corresponding visitor method(s). The order is: Call visitor methods of implemented interfaces first, then call methods according to the class hierarchy in descending order, i.e., the most specific visitXXX() call comes last.
      Specified by:
      accept in class Instruction
      Parameters:
      v - Visitor object