cager.jexpr
Class Operator

java.lang.Object
  cager.jexpr.Operator

public class Operator

extends java.lang.Object

A type resolver implementation for operators. For example the ">" operator always returns a boolean, while the "+" operator can return various types, depending on the types of its arguments.

Author:

Paul Cager.

See Also:

OperatorTypeInfo

Method Summary

void	dump(int level)
static Operator	getBinary(java.lang.String name)
int	getId()
java.lang.String	getName()
OperatorTypeInfo	getTypeInfo(org.apache.bcel.generic.Type t1)
OperatorTypeInfo	getTypeInfo(org.apache.bcel.generic.Type t1, org.apache.bcel.generic.Type t2)
static Operator	getUnary(java.lang.String name)

Methods inherited from class java.lang.Object

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

Method Detail

getName

public java.lang.String getName()

getId

public int getId()

getBinary

public static Operator getBinary(java.lang.String name)

getUnary

public static Operator getUnary(java.lang.String name)

getTypeInfo

public OperatorTypeInfo getTypeInfo(org.apache.bcel.generic.Type t1,
                                    org.apache.bcel.generic.Type t2)
                             throws ParseException

Throws:

ParseException

getTypeInfo

public OperatorTypeInfo getTypeInfo(org.apache.bcel.generic.Type t1)
                             throws ParseException

Throws:

ParseException

dump

public void dump(int level)