gnu.expr
Class Target

java.lang.Object
  |
  +--gnu.expr.Target

Direct Known Subclasses:

ConditionalTarget, IgnoreTarget, StackTarget

public abstract class Target

extends java.lang.Object

This represents where a compiler can put the result of an expression.

Field Summary

static Target	Ignore A Target which means that the result is ignored.
static Target	pushObject A Target which means to push an Object on the JVM stack.
static Target	returnObject

Constructor Summary

Target()

Method Summary

abstract void	compileFromStack(Compilation comp, Type stackType)
abstract Type	getType()
static Target	pushValue(Type type) Return a Target to push a value of specified type on JCM stack.
static Target	returnValue(Type type) A Target to return a value of specified type from a method/function.

Methods inherited from class java.lang.Object

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

Field Detail

Ignore

public static final Target Ignore

A Target which means that the result is ignored.

pushObject

public static final Target pushObject

A Target which means to push an Object on the JVM stack.

returnObject

public static final Target returnObject

Constructor Detail

Target

public Target()

Method Detail

getType

public abstract Type getType()

compileFromStack

public abstract void compileFromStack(Compilation comp,
                                      Type stackType)

pushValue

public static Target pushValue(Type type)

Return a Target to push a value of specified type on JCM stack.

returnValue

public static Target returnValue(Type type)

A Target to return a value of specified type from a method/function.