2002-08-01 00:34:42 +01:00
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<?xml version="1.0" encoding="iso-8859-1"?>
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<?xml-stylesheet type="text/css" href="../../styles.css" ?>
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2001-06-06 21:07:01 +01:00
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2002-08-01 00:34:42 +01:00
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
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2001-06-06 21:07:01 +01:00
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<head>
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<title>object/1-4</title>
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2002-08-01 00:34:42 +01:00
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<link rel="stylesheet" href="../../styles.css" type="text/css">
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2001-06-06 21:07:01 +01:00
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</head>
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<body>
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<hr />
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<h2><code><a class="back" title="Return to index" href="../index.html#object1_4">object/1-4</a></code></h2>
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<hr />
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<h4>Description</h4>
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<blockquote>
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<p>
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<em>Stand-alone objects</em>
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</p>
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<pre>
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object(Object)
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object(Object,
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implements(Protocols))
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object(Object,
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imports(Categories))
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object(Object,
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implements(Protocols),
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imports(Categories))
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</pre>
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<p>
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<em>Prototypes</em>
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</p>
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<pre>
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object(Object,
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extends(Objects))
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object(Object,
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implements(Protocols),
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extends(Objects))
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object(Object,
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imports(Categories),
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extends(Objects))
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object(Object,
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implements(Protocols),
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imports(Categories),
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extends(Objects))
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</pre>
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<p>
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<em>Instances</em>
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</p>
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<pre>
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object(Object,
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instantiates(Classes))
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object(Object,
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implements(Protocols),
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instantiates(Classes))
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object(Object,
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imports(Categories),
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instantiates(Classes))
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object(Object,
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implements(Protocols),
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imports(Categories),
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instantiates(Classes))
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</pre>
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<p>
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<em>Classes</em>
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</p>
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<pre>
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object(Object,
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specializes(Classes))
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object(Object,
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implements(Protocols),
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specializes(Classes))
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object(Object,
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imports(Categories),
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specializes(Classes))
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object(Object,
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implements(Protocols),
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imports(Categories),
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specializes(Classes))
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</pre>
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<p>
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<em>Metaclasses</em>
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</p>
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<pre>
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object(Object,
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instantiates(Classes),
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specializes(Classes))
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object(Object,
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implements(Protocols),
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instantiates(Classes),
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specializes(Classes))
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object(Object,
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imports(Categories),
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instantiates(Classes),
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specializes(Classes))
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object(Object,
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implements(Protocols),
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imports(Categories),
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instantiates(Classes),
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specializes(Classes))
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</pre>
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<p>
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Starting object directive.
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</p>
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</blockquote>
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<h4>Template and modes</h4>
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<blockquote>
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<p>
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<em>Stand-alone objects</em>
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</p>
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<pre>
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object(+object_identifier)
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object(+object_identifier,
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implements(+implemented_protocols))
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object(+object_identifier,
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imports(+imported_categories))
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object(+object_identifier,
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implements(+implemented_protocols),
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imports(+imported_categories))
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</pre>
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<p>
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<em>Prototypes</em>
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</p>
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<pre>
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object(+object_identifier,
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extends(+extended_objects))
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object(+object_identifier,
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implements(+implemented_protocols),
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extends(+extended_objects))
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object(+object_identifier,
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imports(+imported_categories),
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extends(+extended_objects))
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object(+object_identifier,
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implements(+implemented_protocols),
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imports(+imported_categories),
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extends(+extended_objects))
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</pre>
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<p>
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<em>Instances</em>
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</p>
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<pre>
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object(+object_identifier,
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instantiates(+instantiated_objects))
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object(+object_identifier,
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implements(+implemented_protocols),
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instantiates(+instantiated_objects))
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object(+object_identifier,
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imports(+imported_categories),
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instantiates(+instantiated_objects))
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object(+object_identifier,
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implements(+implemented_protocols),
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imports(+imported_categories),
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instantiates(+instantiated_objects))
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</pre>
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<p>
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<em>Classes</em>
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</p>
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<pre>
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object(+object_identifier,
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specializes(+specialized_objects))
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object(+object_identifier,
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implements(+implemented_protocols),
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specializes(+specialized_objects))
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object(+object_identifier,
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imports(+imported_categories),
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specializes(+specialized_objects))
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object(+object_identifier,
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implements(+implemented_protocols),
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imports(+imported_categories),
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specializes(+specialized_objects))
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</pre>
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<p>
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<em>Metaclasses</em>
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</p>
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<pre>
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object(+object_identifier,
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instantiates(+instantiated_objects),
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specializes(+specialized_objects))
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object(+object_identifier,
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implements(+implemented_protocols),
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instantiates(+instantiated_objects),
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specializes(+specialized_objects))
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object(+object_identifier,
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imports(+imported_categories),
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instantiates(+instantiated_objects),
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specializes(+specialized_objects))
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object(+object_identifier,
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implements(+implemented_protocols),
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imports(+imported_categories),
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instantiates(+instantiated_objects),
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specializes(+specialized_objects))
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</pre>
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</blockquote>
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<h4>Examples</h4>
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<blockquote>
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<pre>
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:- object(list).
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:- object(list,
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implements(listp)).
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:- object(list,
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extends(compound)).
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:- object(list,
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implements(listp),
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extends(compound)).
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:- object(object,
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imports(initialization),
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instantiates(class)).
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:- object(abstract_class,
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instantiates(class),
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specializes(object)).
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:- object(agent,
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imports(private::attributes)).
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</pre>
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</blockquote>
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<hr />
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<p class="center">
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<strong><a href="initialization1.html">Previous</a> | <a href="protocol1_2.html">Next</a> | <a href="../index.html">Table of Contents</a> | <a href="../../bibliography.html">Bibliography</a> | <a href="../../glossary.html">Glossary</a></strong>
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</p>
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<p class="center">
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2002-08-01 00:34:42 +01:00
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Last updated on: July 29, 2002
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2001-06-06 21:07:01 +01:00
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</p>
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<hr />
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</body>
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</html>
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