Package gnu.jel
Class OPload
- java.lang.Object
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- gnu.jel.OP
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- gnu.jel.OPload
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public class OPload extends OP
A tree node, representing loading of a constant.
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Field Summary
Fields Modifier and Type Field Description java.lang.Object
what
Holds an object to be loaded-
Fields inherited from class gnu.jel.OP
chi, resID, resType, specialTypes, unwrapType
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method 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
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Constructor Detail
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OPload
public OPload(java.lang.Object what)
Creates an OP, loading a constant.- Parameters:
what
- is a constant wrapped into a reflection object. E.g java.lang.Integer(1) to load 1 of primitive type int.
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OPload
public OPload(OP instead, java.lang.Object what)
Creates an OP, loading a constant to be put instead of another OP.For private JEL usage in constants folding.
- Parameters:
instead
- an OP, which will be raplaced by this OPload.what
- is a constant wrapped into a reflection object. E.g java.lang.Integer(1) to load 1 of primitive type int.
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Method Detail
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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.
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