"

 COPYRIGHT (c) 1989 by Claus Gittinger

 This software is furnished under a license and may be used

 only in accordance with the terms of that license and with the

 inclusion of the above copyright notice.   This software may not

 be provided or otherwise made available to, or used by, any

 other person.  No title to or ownership of the software is

 hereby transferred.

"

Object subclass:#Variable

       instanceVariableNames:'value name used'

       classVariableNames:   ''

       poolDictionaries:''

       category:'System-Compiler-Support'

!

!Variable class methodsFor:'documentation'!

copyright

"

 COPYRIGHT (c) 1989 by Claus Gittinger

 This software is furnished under a license and may be used

 only in accordance with the terms of that license and with the

 inclusion of the above copyright notice.   This software may not

 be provided or otherwise made available to, or used by, any

 other person.  No title to or ownership of the software is

 hereby transferred.

"

!

version

!

documentation

"

    node for parse-trees, representing variables

"

! !

!Variable class methodsFor:'instance creation'!

name:name

    "return a new node for a variable named name"

    ^ (self new) name:name

! !

!Variable methodsFor:'accessing'!

value:v

    "set the value of the (simulated) variable"

    value := v

!

name:aString

    "set the name of the variable"

    name := aString

!

name

    "return the name of the variable"

    ^ name

!

value

    "return the value of the variable"

    ^ value

!

variableValue

    "return the value of the variable"

    ^ value

!

used:aBoolean

    "set/clear the flag marking that this variable has been used"

    used := aBoolean

!

used

    "return the flag marking that this variable has been used"

    ^ used

! !