gnu.mapping
Class LocationProc

java.lang.Object
  gnu.mapping.PropertySet
      gnu.mapping.Procedure
          gnu.mapping.Procedure0or1
              gnu.mapping.LocationProc

All Implemented Interfaces:

HasSetter, Named

public class LocationProc
extends Procedure0or1
implements HasSetter

A Procedure that evaluates to the value of a Location. Calling it with one argument sets the value, for compatibility with the "parameter objects" of SRFI-39.

Constructor Summary

LocationProc(Location loc)

LocationProc(Location loc, Procedure converter)

Method Summary

java.lang.Object	apply0()
java.lang.Object	apply1(java.lang.Object value)
Location	getLocation()
Procedure	getSetter()
static LocationProc	makeNamed(Symbol name, Location loc)
void	pushConverter(Procedure converter)
void	set0(java.lang.Object value) If HasSetter, the Procedure is called in the LHS of an assignment.
java.lang.String	toString()

Methods inherited from class gnu.mapping.Procedure0or1

apply2, apply3, apply4, applyN, numArgs

Methods inherited from class gnu.mapping.Procedure

apply, apply, check0, check1, check2, check3, check4, checkArgCount, checkN, getSourceLocation, match0, match1, match2, match3, match4, matchN, maxArgs, minArgs, set1, setN, setSetter, setSourceLocation

Methods inherited from class gnu.mapping.PropertySet

getName, getProperty, getSymbol, removeProperty, setName, setProperty, setProperty, setSymbol

Methods inherited from class java.lang.Object

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

Constructor Detail

LocationProc

public LocationProc(Location loc)

LocationProc

public LocationProc(Location loc,
                    Procedure converter)

Method Detail

makeNamed

public static LocationProc makeNamed(Symbol name,
                                     Location loc)

pushConverter

public void pushConverter(Procedure converter)

apply0

public java.lang.Object apply0()
                        throws java.lang.Throwable

Specified by:

apply0 in class Procedure0or1

Throws:

java.lang.Throwable

apply1

public java.lang.Object apply1(java.lang.Object value)
                        throws java.lang.Throwable

Specified by:

apply1 in class Procedure0or1

Throws:

java.lang.Throwable

set0

public void set0(java.lang.Object value)
          throws java.lang.Throwable

Description copied from class: Procedure

If HasSetter, the Procedure is called in the LHS of an assignment.

Overrides:

set0 in class Procedure

Throws:

java.lang.Throwable

getSetter

public Procedure getSetter()

Specified by:

getSetter in interface HasSetter

Overrides:

getSetter in class Procedure

getLocation

public final Location getLocation()

toString

public java.lang.String toString()

Overrides:

toString in class Procedure