Class: Variable

• Inheritance
• Description
• Class protocol
  • instance creation
• Instance protocol
  • accessing
  • enumerating
  • printing & storing
  • special

Inheritance:

   Object
   |
   +--Variable
      |
      +--JavaScriptVariable

Package:

stx:libcomp

Category:

System-Compiler-Support

Version:

rev: 1.25 date: 2021/01/20 10:29:40

user: cg

file: Variable.st directory: libcomp

module: stx stc-classLibrary: libcomp

Description:

node for parse-trees, representing variables
This is a helper class for the compiler.

copyright
COPYRIGHT (c) 1989 by Claus Gittinger
             All Rights Reserved

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.

Class protocol:

 name: name

return a new node for a variable named name

 type: type name: name

Instance protocol:

 classHint

 classHint: something

 name

return the name of the variable

 name: nameString

set the name of the variable

 type: typeSymbol name: nameString

self assert:nameString notNil.

 used

return the flag marking that this variable has been used

 used: aBoolean

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

 value

return the value of the variable

 value: v

set the value of the (simulated) variable

 variableValue

return the value of the variable

 nodeDo: anEnumerator

helper for parse tree walking

 printOn: aStream

(comment from inherited method)
append a user printed representation of the receiver to aStream.
The format is suitable for a human - not meant to be read back.

The default here is to output the receiver's class name.
BUT: this method is heavily redefined for objects which
can print prettier.

 domain

 domain: aDomain

 expressionForSetup

finite domain setup

 type