2002-08-01 00:34:42 +01:00
|
|
|
<?xml version="1.0" encoding="iso-8859-1"?>
|
2005-12-24 18:00:21 +00:00
|
|
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
|
|
|
|
|
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
|
2001-06-06 21:07:01 +01:00
|
|
|
|
2005-12-24 18:00:21 +00:00
|
|
|
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
|
2001-06-06 21:07:01 +01:00
|
|
|
|
|
|
|
|
<head>
|
2003-12-30 13:33:51 +00:00
|
|
|
<meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
|
|
|
|
|
<title>Logtalk built-in predicate: current_event/5</title>
|
2005-12-24 18:00:21 +00:00
|
|
|
<link rel="stylesheet" href="../../screen.css" type="text/css" media="screen"/>
|
|
|
|
|
<link rel="stylesheet" href="../../print.css" type="text/css" media="print"/>
|
2001-06-06 21:07:01 +01:00
|
|
|
</head>
|
|
|
|
|
|
|
|
|
|
<body>
|
|
|
|
|
|
2005-12-24 18:00:21 +00:00
|
|
|
<div class="top-left">Logtalk reference manual</div>
|
|
|
|
|
<div class="top-right">Built-in predicate: current_event/5</div>
|
|
|
|
|
<div class="bottom-left"><span class="page"/></div>
|
|
|
|
|
<div class="bottom-right"><span class="page"/></div>
|
|
|
|
|
<div class="navtop"><a href="../../index.html">contents</a> > <a href="../index.html">reference manual</a> > <a href="../index.html#builtins">built-in predicates</a></div>
|
2003-12-30 13:33:51 +00:00
|
|
|
|
2005-12-24 18:00:21 +00:00
|
|
|
<h2 class="code">current_event/5</h2>
|
2003-12-30 13:33:51 +00:00
|
|
|
|
2001-06-06 21:07:01 +01:00
|
|
|
|
|
|
|
|
<h4>Description</h4>
|
|
|
|
|
|
2003-12-30 13:33:51 +00:00
|
|
|
<pre>current_event(Event, Object, Message, Sender, Monitor)</pre>
|
2001-06-06 21:07:01 +01:00
|
|
|
<p>
|
2005-08-08 13:13:45 +01:00
|
|
|
Enumerates, by backtracking, all defined events. The two types of events are represented by the atoms <code>before</code> and <code>after</code>.
|
2001-06-06 21:07:01 +01:00
|
|
|
</p>
|
|
|
|
|
|
|
|
|
|
<h4>Template and modes</h4>
|
|
|
|
|
|
2003-12-30 13:33:51 +00:00
|
|
|
<pre>current_event(?event, ?object_identifier, ?callable, ?object_identifier, ?object_identifier)</pre>
|
2001-06-06 21:07:01 +01:00
|
|
|
|
2001-12-05 23:57:48 +00:00
|
|
|
<h4>Errors</h4>
|
2001-06-06 21:07:01 +01:00
|
|
|
|
2005-12-24 18:00:21 +00:00
|
|
|
<dl class="errors">
|
|
|
|
|
<dt>Event is neither a variable nor a valid event identifier:</dt>
|
|
|
|
|
<dd><code>type_error(event, Event)</code></dd>
|
|
|
|
|
<dt>Object is neither a variable nor a valid object identifier:</dt>
|
|
|
|
|
<dd><code>type_error(object_identifier, Object)</code></dd>
|
|
|
|
|
<dt>Message is neither a variable nor a callable term:</dt>
|
|
|
|
|
<dd><code>type_error(callable, Message)</code></dd>
|
|
|
|
|
<dt>Sender is neither a variable nor a valid object identifier:</dt>
|
|
|
|
|
<dd><code>type_error(object_identifier, Sender)</code></dd>
|
|
|
|
|
<dt>Monitor is neither a variable nor a valid object identifier:</dt>
|
|
|
|
|
<dd><code>type_error(object_identifier, Monitor)</code></dd>
|
|
|
|
|
</dl>
|
2001-06-06 21:07:01 +01:00
|
|
|
|
|
|
|
|
<h4>Examples</h4>
|
|
|
|
|
|
2003-12-30 13:33:51 +00:00
|
|
|
<pre>| ?- current_event(Event, Object, Message, Sender, debugger).</pre>
|
2001-06-06 21:07:01 +01:00
|
|
|
|
2003-12-30 13:33:51 +00:00
|
|
|
<div class="footer">
|
2005-12-24 18:00:21 +00:00
|
|
|
<div class="navbottom"><a href="abolish_events5.html">previous</a> | <a href="../../glossary.html">glossary</a> | <a href="define_events5.html">next</a></div>
|
|
|
|
|
<div class="copyright">Copyright © <a href="mailto:pmoura@logtalk.org">Paulo Moura</a> — <a href="http://www.logtalk.org">Logtalk.org</a></div>
|
|
|
|
|
<div class="footnote">
|
|
|
|
|
<span class="validators"><a href="http://validator.w3.org/check/referer">XHTML</a> + <a href="http://jigsaw.w3.org/css-validator/check/referer">CSS</a></span>
|
|
|
|
|
<span class="date">Last updated on: November 16, 2005</span>
|
|
|
|
|
</div>
|
2003-12-30 13:33:51 +00:00
|
|
|
</div>
|
2005-12-24 18:00:21 +00:00
|
|
|
|
2003-12-30 13:33:51 +00:00
|
|
|
</body>
|
2001-06-06 21:07:01 +01:00
|
|
|
</html>
|
