OPcondtnl (JEL API)
Date: 2016-05-09

gnu.jel

## Class OPcondtnl

- java.lang.Object
- - gnu.jel.OP
  - - gnu.jel.OPcondtnl

-     public class OPcondtnl
      extends OP

  A tree node, representing conditional.

- - ### Field Summary

    - ### Fields inherited from class gnu.jel.OP

      `chi, resID, resType, specialTypes, unwrapType`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `OPcondtnl(java.util.Stack<OP> paramOPs)` Creates conditional operator.

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `compile(ClassFile cf)` Called to generate the code implementing this OP.
    `java.lang.Object` | `eval()` Called to evaluate this node and all its sub-nodes.

    - ### Methods inherited from class gnu.jel.OP

      `isWidening, isWidening, narrow, typeID, typeIDObject, widen`

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

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

- - ### Constructor Detail

    - #### OPcondtnl

          public OPcondtnl(java.util.Stack<OP> paramOPs)
                    throws CompilationException

      Creates conditional operator.

      On entry the paramOPs should contain .

      Parameters:
        `paramOPs` - stack holding the operands
      Throws:
        `CompilationException`

  - ### Method Detail

    - #### compile

          public void compile(ClassFile cf)

      Description copied from class: `OP`
      Called to generate the code implementing this OP.
      Specified by:
        `compile` in class `OP`
      Parameters:
        `cf` - class file with a new open method to write the code into.

    - #### eval

          public java.lang.Object eval()
                                throws java.lang.Exception

      Description copied from class: `OP`
      Called to evaluate this node and all its sub-nodes.

      Upon success this node is to be replaced by the constant node holding the returned object.

      Specified by:
        `eval` in class `OP`
      Returns:
        an object to which this node evaluates
      Throws:
        `java.lang.Exception`

Copyright © 1998-2016 Konstantin L. Metlov All Rights Reserved.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the JEL manual.