This repository has been archived on 2023-08-20. You can view files and clone it, but cannot push or open issues or pull requests.
yap-6.3/Logtalk/manuals/refman/methods/phrase2.html

79 lines
2.8 KiB
HTML
Raw Normal View History

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<meta http-equiv="content-type" content="application/xml+xhtml; charset=utf-8" />
<title>Logtalk built-in method: phrase/2</title>
<link rel="stylesheet" href="../../screen.css" type="text/css" media="screen"/>
<link rel="stylesheet" href="../../print.css" type="text/css" media="print"/>
</head>
<body>
<div class="top-left">Logtalk reference manual</div>
<div class="top-right">Built-in method: phrase/2</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> &gt; <a href="../index.html">reference manual</a> &gt; <a href="../index.html#methods">built-in methods</a></div>
<h2 class="codenp">phrase/2<span id="methods_phrase2"/></h2>
<h4>Description</h4>
<pre>phrase(NonTerminal, Input)</pre>
<p>
True if the list <code>Input</code> can be parsed using the specified non-terminal <code>NonTerminal</code>. This method also accepts grammar rule bodies in the first argument (with the limitation that cuts are only supported in local calls).
</p>
<h4>Template and modes</h4>
<pre>phrase(+callable, ?list)</pre>
<h4>Errors</h4>
<dl>
<dt>NonTerminal is a variable:</dt>
<dd><code>instantiation_error</code></dd>
<dt>NonTerminal is neither a variable nor a callable term:</dt>
<dd><code>type_error(callable, NonTerminal)</code></dd>
<dt>Input is neither a partial list nor a list:</dt>
<dd><code>type_error(list, Input)</code></dd>
<dt>The grammar rule non-terminal NonTerminal is private:</dt>
<dd><code>permission_error(access, private_non_terminal, NonTerminal)</code></dd>
<dt>The grammar rule non-terminal NonTerminal is protected:</dt>
<dd><code>permission_error(access, protected_non_terminal, NonTerminal)</code></dd>
<dt>The grammar rule non-terminal NonTerminal is not declared:</dt>
<dd><code>existence_error(non_terminal_declaration, NonTerminal)</code></dd>
</dl>
<h4>Examples</h4>
<pre>| ?- sentence::phrase(sentence, [the, girl, likes, the, boy]).
yes
| ?- calculator::phrase(expr(Value), "1+2-3*4").
Value = -9
yes</pre>
<div class="footer">
<div class="copyright">
<span>Copyright &copy; <a href="mailto:pmoura@logtalk.org">Paulo Moura</a> &mdash; <a href="http://logtalk.org">Logtalk.org</a></span><br/>
<span>Last updated on: October 26, 2006</span>
</div>
<div class="navbottom">
<span><a href="../index.html#methods">previous</a> | <a href="../../glossary.html">glossary</a> | <a href="phrase3.html">next</a></span><br/>
<span><a href="http://validator.w3.org/check/referer">XHTML</a> + <a href="http://jigsaw.w3.org/css-validator/check/referer">CSS</a></span>
</div>
</div>
</body>
</html>