org.apache.bcel.generic

## Class JsrInstruction

- java.lang.Object
- - org.apache.bcel.generic.Instruction
  - - org.apache.bcel.generic.BranchInstruction
    - - org.apache.bcel.generic.JsrInstruction

- All Implemented Interfaces:
    Cloneable, InstructionTargeter, StackProducer, TypedInstruction, UnconditionalBranch
  Direct Known Subclasses:
    JSR, JSR_W

      public abstract class JsrInstruction
      extends BranchInstruction
      implements UnconditionalBranch, TypedInstruction, StackProducer

  Super class for JSR - Jump to subroutine

- - ### Field Summary

    - ### Fields inherited from class org.apache.bcel.generic.BranchInstruction

      `index, position, target`

    - ### Fields inherited from class org.apache.bcel.generic.Instruction

      `length, opcode`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `Type` | `getType(ConstantPoolGen cp)`
    `InstructionHandle` | `physicalSuccessor()` Returns an InstructionHandle to the physical successor of this JsrInstruction.

    - ### Methods inherited from class org.apache.bcel.generic.BranchInstruction

      `containsTarget, dump, getIndex, getPosition, getTarget, getTargetOffset, getTargetOffset, initFromFile, setIndex, setPosition, setTarget, toString, updatePosition, updateTarget`

    - ### Methods inherited from class org.apache.bcel.generic.Instruction

      `accept, consumeStack, copy, equals, getComparator, getLength, getName, getOpcode, hashCode, isValidByte, isValidShort, produceStack, readInstruction, setComparator, toString, toString`

    - ### Methods inherited from class java.lang.Object

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

    - ### Methods inherited from interface org.apache.bcel.generic.StackProducer

      `produceStack`

- - ### Method Detail

    - #### getType

          public Type getType(ConstantPoolGen cp)

      Specified by:
        `getType` in interface `TypedInstruction`
      Returns:
        return address type

    - #### physicalSuccessor

          public InstructionHandle physicalSuccessor()

      Returns an InstructionHandle to the physical successor of this JsrInstruction. For this method to work, this JsrInstruction object must not be shared between multiple InstructionHandle objects! Formally, there must not be InstructionHandle objects i, j where i != j and i.getInstruction() == this == j.getInstruction().
      Returns:
        an InstructionHandle to the "next" instruction that will be executed when RETurned from a subroutine.

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