gnu.expr
Class Symbol

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

public class Symbol

extends java.lang.Object

Utility class containing various routines to manipulate Scheme symbols. Note Scheme symbols are represented using java.lang.String objects, and there are no Symbol objects.

Method Summary

static java.lang.String	generate() Generate a new un-interned Symbol with a unique name.
static java.lang.String	gentemp() Generate a new (interned) symbol with a unique name.
static java.lang.String	intern(java.lang.String name)
static java.lang.String	make(java.lang.String name) Create or find a Symbol with a given name.
static java.lang.String	makeUninterned(java.lang.String str)
static void	print(java.lang.String name, java.io.PrintWriter ps)

Methods inherited from class java.lang.Object

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

Method Detail

makeUninterned

public static final java.lang.String makeUninterned(java.lang.String str)

generate

public static final java.lang.String generate()

Generate a new un-interned Symbol with a unique name.

Returns:

the new Symbol

gentemp

public static final java.lang.String gentemp()

Generate a new (interned) symbol with a unique name.

Returns:

the new symbol

make

public static java.lang.String make(java.lang.String name)

Create or find a Symbol with a given name.

Parameters:

name - the print-name of the desired Symbol

Returns:

a Symbol with the given name, newly created iff none such exist

intern

public static final java.lang.String intern(java.lang.String name)

print

public static void print(java.lang.String name,
                         java.io.PrintWriter ps)