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java.lang.Objectgnu.jel.OP
gnu.jel.OPcall
public class OPcall
A tree node, representing a method call (field/local variable load).
Field Summary | |
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Member |
m
Holds method to be executed |
int |
nplv
local variable number (in case m=null), number of formal parameters of the method to call otherwise. |
Fields inherited from class gnu.jel.OP |
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chi, resID, resType, specialTypes, unwrapType |
Constructor Summary | |
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OPcall(int lvarn,
Class type)
Prepares access to the local variable (formal parameter) of method. |
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OPcall(Stack<OP> paramOPs,
Member m,
boolean aEval)
Prepares a new method/field call/get operation to be added to the code. |
Method Summary | |
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void |
compile(ClassFile cf)
Called to generate the code implementing this OP. |
Object |
eval()
Attempts to evaluate this function. |
Methods inherited from class gnu.jel.OP |
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isWidening, isWidening, narrow, typeID, typeIDObject, widen |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public Member m
public int nplv
Constructor Detail |
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public OPcall(Stack<OP> paramOPs, Member m, boolean aEval) throws CompilationException
paramOPs
- stack holding the operandsm
- method/field to call/get.aEval
- indicates if the method call should be attempted
at the compile time
CompilationException
public OPcall(int lvarn, Class type)
lvarn
- local variable number.type
- local variable type.Method Detail |
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public Object eval() throws Exception
eval
in class OP
Exception
- if the function can't be evaluated, or the evaluation
results in error.public void compile(ClassFile cf)
OP
compile
in class OP
cf
- class file with a new open method to write the code into.
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