Table of Contents

29.1. Introduction

29.1.1. Notation

29.1.2. Package

29.2. Overview

29.2.1. Metaobjects

29.2.1.1. Classes

29.2.1.2. Slot Definitions

29.2.1.3. Generic Functions

29.2.1.4. Methods

29.2.1.5. Specializers

29.2.1.6. Method Combinations

29.2.2. Inheritance Structure of Metaobject Classes

29.2.2.1. Implementation and User Specialization

29.2.3. Processing of the User Interface Macros

29.2.3.1. Compile-file Processing of the User Interface Macros

29.2.3.2. Compile-file Processing of Specific User Interface Macros

29.2.4. Metaobject Initialization Protocol

29.3. Classes

29.3.2. Inheritance Structure of class metaobject Classes

29.3.3. Introspection: Readers for class metaobjects

29.3.3.1. Generic Function CLASS-NAME

29.3.3.2. Generic Function CLOS:CLASS-DIRECT-SUPERCLASSES

29.3.3.3. Generic Function CLOS:CLASS-DIRECT-SLOTS

29.3.3.4. Generic Function CLOS:CLASS-DIRECT-DEFAULT-INITARGS

29.3.3.5. Generic Function CLOS:CLASS-PRECEDENCE-LIST

29.3.3.6. Generic Function CLOS:CLASS-DIRECT-SUBCLASSES

29.3.3.7. Generic Function CLOS:CLASS-SLOTS

29.3.3.8. Generic Function CLOS:CLASS-DEFAULT-INITARGS

29.3.3.9. Generic Function CLOS:CLASS-FINALIZED-P

29.3.3.10. Generic Function CLOS:CLASS-PROTOTYPE

29.3.3.11. Methods

29.3.4. Class Finalization Protocol

29.3.5. Class Initialization

29.3.5.1. Initialization of class metaobjects

29.3.5.2. Reinitialization of class metaobjects

29.3.6. Customization

29.3.6.1. Generic Function (SETF CLASS-NAME)

29.3.6.2. Generic Function CLOS:ENSURE-CLASS

29.3.6.3. Generic Function CLOS:ENSURE-CLASS-USING-CLASS

29.3.6.4. Generic Function CLOS:FINALIZE-INHERITANCE

29.3.6.5. Generic Function MAKE-INSTANCE

29.3.6.6. Generic Function ALLOCATE-INSTANCE

29.3.6.7. Generic Function CLOS:VALIDATE-SUPERCLASS

29.3.6.8. Generic Function CLOS:COMPUTE-DIRECT-SLOT-DEFINITION-INITARGS

29.3.6.9. Generic Function CLOS:DIRECT-SLOT-DEFINITION-CLASS

29.3.6.10. Generic Function CLOS:COMPUTE-CLASS-PRECEDENCE-LIST

29.3.6.11. Generic Function CLOS:COMPUTE-SLOTS

29.3.6.12. Generic Function CLOS:COMPUTE-EFFECTIVE-SLOT-DEFINITION

29.3.6.13. Generic Function CLOS:COMPUTE-EFFECTIVE-SLOT-DEFINITION-INITARGS

29.3.6.14. Generic Function CLOS:EFFECTIVE-SLOT-DEFINITION-CLASS

29.3.6.15. Generic Function CLOS:COMPUTE-DEFAULT-INITARGS

29.3.7. Updating Dependencies

29.3.7.1. Generic Function CLOS:ADD-DIRECT-SUBCLASS

29.3.7.2. Generic Function CLOS:REMOVE-DIRECT-SUBCLASS

29.4. Slot Definitions

29.4.1. Inheritance Structure of slot definition metaobject Classes

29.4.2. Introspection: Readers for slot definition metaobjects

29.4.2.1. Generic Functions

29.4.2.2. Methods

29.4.2.3. Readers for direct slot definition metaobjects

29.4.2.4. Readers for effective slot definition metaobjects

29.4.3. Initialization of slot definition metaobjects

29.4.3.1. Methods

29.5. Generic Functions

29.5.1. Inheritance Structure of generic function metaobject Classes

29.5.2. Introspection: Readers for generic function metaobjects

29.5.2.1. Generic Function CLOS:GENERIC-FUNCTION-NAME

29.5.2.2. Generic Function CLOS:GENERIC-FUNCTION-METHODS

29.5.2.3. Generic Function CLOS:GENERIC-FUNCTION-LAMBDA-LIST

29.5.2.4. Generic Function CLOS:GENERIC-FUNCTION-ARGUMENT-PRECEDENCE-ORDER

29.5.2.5. Generic Function CLOS:GENERIC-FUNCTION-DECLARATIONS

29.5.2.6. Generic Function CLOS:GENERIC-FUNCTION-METHOD-CLASS

29.5.2.7. Generic Function CLOS:GENERIC-FUNCTION-METHOD-COMBINATION

29.5.2.8. Methods

29.5.3. Initialization of Generic Functions

29.5.3.1. Macro DEFGENERIC

29.5.3.2. Generic Function Invocation Protocol

29.5.3.3. Initialization of generic function metaobjects

29.5.4. Customization

29.5.4.1. Generic Function (SETF CLOS:GENERIC-FUNCTION-NAME)

29.5.4.2. Generic Function ENSURE-GENERIC-FUNCTION

29.5.4.3. Generic Function CLOS:ENSURE-GENERIC-FUNCTION-USING-CLASS

29.5.4.4. Generic Function ADD-METHOD

29.5.4.5. Generic Function REMOVE-METHOD

29.5.4.6. Generic Function CLOS:COMPUTE-APPLICABLE-METHODS

29.5.4.7. Generic Function CLOS:COMPUTE-APPLICABLE-METHODS-USING-CLASSES

29.5.4.8. Generic Function CLOS:COMPUTE-EFFECTIVE-METHOD

29.5.4.9. Function CLOS:COMPUTE-EFFECTIVE-METHOD-AS-FUNCTION

29.5.4.10. Generic Function CLOS:MAKE-METHOD-LAMBDA

29.5.4.11. Generic Function CLOS:COMPUTE-DISCRIMINATING-FUNCTION

29.6. Methods

29.6.1. Inheritance Structure of method metaobject Classes

29.6.2. Introspection: Readers for method metaobjects

29.6.2.1. Generic Function CLOS:METHOD-SPECIALIZERS

29.6.2.2. Generic Function METHOD-QUALIFIERS

29.6.2.3. Generic Function CLOS:METHOD-LAMBDA-LIST

29.6.2.4. Generic Function CLOS:METHOD-GENERIC-FUNCTION

29.6.2.5. Generic Function CLOS:METHOD-FUNCTION

29.6.2.6. Methods

29.6.3. Initialization of Methods

29.6.3.1. Macro DEFMETHOD

29.6.3.2. Initialization of method metaobjects

29.6.4. Customization

29.6.4.1. Function CLOS:EXTRACT-LAMBDA-LIST

29.6.4.2. Function CLOS:EXTRACT-SPECIALIZER-NAMES

29.7. Accessor Methods

29.7.1. Introspection

29.7.1.1. Generic Function CLOS:ACCESSOR-METHOD-SLOT-DEFINITION

29.7.2. Customization

29.7.2.1. Generic Function CLOS:READER-METHOD-CLASS

29.7.2.2. Generic Function CLOS:WRITER-METHOD-CLASS

29.8. Specializers

29.8.1. Inheritance Structure of Specializer Metaobject Classes

29.8.2. Introspection

29.8.2.1. Function CLOS:EQL-SPECIALIZER-OBJECT

29.8.3. Initialization

29.8.3.1. Function CLOS:INTERN-EQL-SPECIALIZER

29.8.4. Updating Dependencies

29.8.4.1. Generic Function CLOS:SPECIALIZER-DIRECT-METHODS

29.8.4.2. Generic Function CLOS:SPECIALIZER-DIRECT-GENERIC-FUNCTIONS

29.8.4.3. Generic Function CLOS:ADD-DIRECT-METHOD

29.8.4.4. Generic Function CLOS:REMOVE-DIRECT-METHOD

29.9. Method Combinations

29.9.1. Inheritance Structure of method combination metaobject Classes

29.9.2. Customization

29.9.2.1. Generic Function CLOS:FIND-METHOD-COMBINATION

29.10. Slot Access

29.10.1. Instance Structure Protocol

29.10.2. Funcallable Instances

29.10.3. Customization

29.10.3.1. Function CLOS:STANDARD-INSTANCE-ACCESS

29.10.3.2. Function CLOS:FUNCALLABLE-STANDARD-INSTANCE-ACCESS

29.10.3.3. Function CLOS:SET-FUNCALLABLE-INSTANCE-FUNCTION

29.10.3.4. Generic Function CLOS:SLOT-VALUE-USING-CLASS

29.10.3.5. Generic Function (SETF CLOS:SLOT-VALUE-USING-CLASS)

29.10.3.6. Generic Function CLOS:SLOT-BOUNDP-USING-CLASS

29.10.3.7. Generic Function CLOS:SLOT-MAKUNBOUND-USING-CLASS

29.11. Dependent Maintenance

29.11.1. Protocol

29.11.1.1. Generic Function CLOS:UPDATE-DEPENDENT

29.11.1.2. Generic Function CLOS:ADD-DEPENDENT

29.11.1.3. Generic Function CLOS:REMOVE-DEPENDENT

29.11.1.4. Generic Function CLOS:MAP-DEPENDENTS

29.12. Deviations from AMOP

29.12.1. Warning CLOS:CLOS-WARNING

29.12.1.1. Warning CLOS:GF-ALREADY-CALLED-WARNING

29.12.1.2. Warning CLOS:GF-REPLACING-METHOD-WARNING