1.201.3 UndefinedObject: class polymorphism

allSubclasses

Return all the classes in the system.

instSize

Answer ‘0’.

metaclassFor: classNameString

Create a Metaclass object for the given class name. The metaclass is a subclass of Class

methodDictionary

Answer ‘nil’.

removeSubclass: aClass

Ignored – necessary to support disjoint class hierarchies

subclass: classNameString

Define a subclass of the receiver with the given name. If the class is already defined, don’t modify its instance or class variables but still, if necessary, recompile everything needed.

subclass: classNameString instanceVariableNames: stringInstVarNames classVariableNames: stringOfClassVarNames poolDictionaries: stringOfPoolNames category: categoryNameString

Define a fixed subclass of the receiver with the given name, instance variables, class variables, pool dictionaries and category. If the class is already defined, if necessary, recompile everything needed.

variable: shape subclass: classNameString instanceVariableNames: stringInstVarNames classVariableNames: stringOfClassVarNames poolDictionaries: stringOfPoolNames category: categoryNameString

Define a variable subclass of the receiver with the given name, shape, instance variables, class variables, pool dictionaries and category. If the class is already defined, if necessary, recompile everything needed. The shape can be one of #byte #int8 #character #short #ushort #int #uint #int64 #uint64 #utf32 #float #double or #pointer.

variableByteSubclass: classNameString instanceVariableNames: stringInstVarNames classVariableNames: stringOfClassVarNames poolDictionaries: stringOfPoolNames category: categoryNameString

Define a byte variable subclass of the receiver with the given name, instance variables, class variables, pool dictionaries and category. If the class is already defined, if necessary, recompile everything needed.

variableSubclass: classNameString instanceVariableNames: stringInstVarNames classVariableNames: stringOfClassVarNames poolDictionaries: stringOfPoolNames category: categoryNameString

Define a variable pointer subclass of the receiver with the given name, instance variables, class variables, pool dictionaries and category. If the class is already defined, if necessary, recompile everything needed.

variableWordSubclass: classNameString instanceVariableNames: stringInstVarNames classVariableNames: stringOfClassVarNames poolDictionaries: stringOfPoolNames category: categoryNameString

Define a word variable subclass of the receiver with the given name, instance variables, class variables, pool dictionaries and category. If the class is already defined, if necessary, recompile everything needed.