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<a name="CattleInterpreter"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="CattleInterpreter.top_of_page"></a>CattleInterpreter</span></h2>
<p>CattleInterpreter — Brainfuck interpreter</p>
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<div class="refsynopsisdiv">
<a name="CattleInterpreter.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include <cattle/cattle.h>
struct <a class="link" href="CattleInterpreter.html#CattleInterpreter-struct" title="struct CattleInterpreter">CattleInterpreter</a>;
<a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="returnvalue">CattleInterpreter</span></a> * <a class="link" href="CattleInterpreter.html#cattle-interpreter-new" title="cattle_interpreter_new ()">cattle_interpreter_new</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <a class="link" href="CattleInterpreter.html#cattle-interpreter-run" title="cattle_interpreter_run ()">cattle_interpreter_run</a> (<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);
<span class="returnvalue">void</span> <a class="link" href="CattleInterpreter.html#cattle-interpreter-feed" title="cattle_interpreter_feed ()">cattle_interpreter_feed</a> (<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>,
<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *input</code></em>);
<span class="returnvalue">void</span> <a class="link" href="CattleInterpreter.html#cattle-interpreter-set-configuration" title="cattle_interpreter_set_configuration ()">cattle_interpreter_set_configuration</a>
(<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>,
<em class="parameter"><code><a class="link" href="CattleConfiguration.html" title="CattleConfiguration"><span class="type">CattleConfiguration</span></a> *configuration</code></em>);
<a class="link" href="CattleConfiguration.html" title="CattleConfiguration"><span class="returnvalue">CattleConfiguration</span></a> * <a class="link" href="CattleInterpreter.html#cattle-interpreter-get-configuration" title="cattle_interpreter_get_configuration ()">cattle_interpreter_get_configuration</a>
(<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>);
<span class="returnvalue">void</span> <a class="link" href="CattleInterpreter.html#cattle-interpreter-set-program" title="cattle_interpreter_set_program ()">cattle_interpreter_set_program</a> (<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>,
<em class="parameter"><code><a class="link" href="CattleProgram.html" title="CattleProgram"><span class="type">CattleProgram</span></a> *program</code></em>);
<a class="link" href="CattleProgram.html" title="CattleProgram"><span class="returnvalue">CattleProgram</span></a> * <a class="link" href="CattleInterpreter.html#cattle-interpreter-get-program" title="cattle_interpreter_get_program ()">cattle_interpreter_get_program</a> (<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>);
<span class="returnvalue">void</span> <a class="link" href="CattleInterpreter.html#cattle-interpreter-set-tape" title="cattle_interpreter_set_tape ()">cattle_interpreter_set_tape</a> (<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>,
<em class="parameter"><code><a class="link" href="CattleTape.html" title="CattleTape"><span class="type">CattleTape</span></a> *tape</code></em>);
<a class="link" href="CattleTape.html" title="CattleTape"><span class="returnvalue">CattleTape</span></a> * <a class="link" href="CattleInterpreter.html#cattle-interpreter-get-tape" title="cattle_interpreter_get_tape ()">cattle_interpreter_get_tape</a> (<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> (<a class="link" href="CattleInterpreter.html#CattleInputHandler" title="CattleInputHandler ()">*CattleInputHandler</a>) (<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);
<span class="returnvalue">void</span> <a class="link" href="CattleInterpreter.html#cattle-interpreter-set-input-handler" title="cattle_interpreter_set_input_handler ()">cattle_interpreter_set_input_handler</a>
(<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>,
<em class="parameter"><code><a class="link" href="CattleInterpreter.html#CattleInputHandler" title="CattleInputHandler ()"><span class="type">CattleInputHandler</span></a> handler</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> (<a class="link" href="CattleInterpreter.html#CattleOutputHandler" title="CattleOutputHandler ()">*CattleOutputHandler</a>) (<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> output</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);
<span class="returnvalue">void</span> <a class="link" href="CattleInterpreter.html#cattle-interpreter-set-output-handler" title="cattle_interpreter_set_output_handler ()">cattle_interpreter_set_output_handler</a>
(<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>,
<em class="parameter"><code><a class="link" href="CattleInterpreter.html#CattleOutputHandler" title="CattleOutputHandler ()"><span class="type">CattleOutputHandler</span></a> handler</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> (<a class="link" href="CattleInterpreter.html#CattleDebugHandler" title="CattleDebugHandler ()">*CattleDebugHandler</a>) (<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);
<span class="returnvalue">void</span> <a class="link" href="CattleInterpreter.html#cattle-interpreter-set-debug-handler" title="cattle_interpreter_set_debug_handler ()">cattle_interpreter_set_debug_handler</a>
(<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>,
<em class="parameter"><code><a class="link" href="CattleInterpreter.html#CattleInputHandler" title="CattleInputHandler ()"><span class="type">CattleInputHandler</span></a> handler</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="CattleInterpreter.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
<a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>
+----CattleInterpreter
</pre>
</div>
<div class="refsect1">
<a name="CattleInterpreter.properties"></a><h2>Properties</h2>
<pre class="synopsis">
"<a class="link" href="CattleInterpreter.html#CattleInterpreter--configuration" title='The "configuration" property'>configuration</a>" <a class="link" href="CattleConfiguration.html" title="CattleConfiguration"><span class="type">CattleConfiguration</span></a>* : Read / Write
"<a class="link" href="CattleInterpreter.html#CattleInterpreter--program" title='The "program" property'>program</a>" <a class="link" href="CattleProgram.html" title="CattleProgram"><span class="type">CattleProgram</span></a>* : Read / Write
"<a class="link" href="CattleInterpreter.html#CattleInterpreter--tape" title='The "tape" property'>tape</a>" <a class="link" href="CattleTape.html" title="CattleTape"><span class="type">CattleTape</span></a>* : Read / Write
</pre>
</div>
<div class="refsect1">
<a name="CattleInterpreter.description"></a><h2>Description</h2>
<p>
An instance of <a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> represents a Brainfuck interpreter,
that is, an object which is capable of executing a <a class="link" href="CattleProgram.html" title="CattleProgram"><span class="type">CattleProgram</span></a>.
</p>
<p>
<a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> handles all the aspects of execution, including
input and output. It also hides all the details to the user, who
only needs to initialize the interpreter and call
<a class="link" href="CattleInterpreter.html#cattle-interpreter-run" title="cattle_interpreter_run ()"><code class="function">cattle_interpreter_run()</code></a> to execute a Brainfuck program.
</p>
<p>
The behaviour of an interpreter can be modified by providing a
suitable <a class="link" href="CattleConfiguration.html" title="CattleConfiguration"><span class="type">CattleConfiguration</span></a> object.
</p>
<p>
Once initialized, a <a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> can run the assigned program
as many times as needed; the memory tape, however, is not
automatically cleared between executions.
</p>
</div>
<div class="refsect1">
<a name="CattleInterpreter.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="CattleInterpreter-struct"></a><h3>struct CattleInterpreter</h3>
<pre class="programlisting">struct CattleInterpreter;</pre>
<p>
Opaque data structure representing an interpreter. It should never be
accessed directly; use the methods below instead.
</p>
</div>
<hr>
<div class="refsect2">
<a name="cattle-interpreter-new"></a><h3>cattle_interpreter_new ()</h3>
<pre class="programlisting"><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="returnvalue">CattleInterpreter</span></a> * cattle_interpreter_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Create and initialize a new interpreter.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new <a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a>. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span>
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="cattle-interpreter-run"></a><h3>cattle_interpreter_run ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> cattle_interpreter_run (<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>
Make the interpreter run the loaded program.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>interpreter</code></em> :</span></p></td>
<td>a <a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>return location for a <a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a>. <span class="annotation">[<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="cattle-interpreter-feed"></a><h3>cattle_interpreter_feed ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> cattle_interpreter_feed (<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>,
<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *input</code></em>);</pre>
<p>
Feed <em class="parameter"><code>interpreter</code></em> with more input.
</p>
<p>
This method is meant to be used inside an input handler assigned to
<em class="parameter"><code>interpreter</code></em>; way is pointless, since the input is reset when
<a class="link" href="CattleInterpreter.html#cattle-interpreter-run" title="cattle_interpreter_run ()"><code class="function">cattle_interpreter_run()</code></a> is called.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>interpreter</code></em> :</span></p></td>
<td>a <a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>input</code></em> :</span></p></td>
<td>more input to be used by <em class="parameter"><code>interpreter</code></em>, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. <span class="annotation">[<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="cattle-interpreter-set-configuration"></a><h3>cattle_interpreter_set_configuration ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> cattle_interpreter_set_configuration
(<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>,
<em class="parameter"><code><a class="link" href="CattleConfiguration.html" title="CattleConfiguration"><span class="type">CattleConfiguration</span></a> *configuration</code></em>);</pre>
<p>
Set the configuration for <em class="parameter"><code>interpreter</code></em>.
</p>
<p>
The same configuration can be used for several interpreters, but
modifying it after it has been assigned to an interpreter may result
in undefined behaviour, and as such is discouraged.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>interpreter</code></em> :</span></p></td>
<td>a <a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>configuration</code></em> :</span></p></td>
<td>configuration for <em class="parameter"><code>interpreter</code></em>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="cattle-interpreter-get-configuration"></a><h3>cattle_interpreter_get_configuration ()</h3>
<pre class="programlisting"><a class="link" href="CattleConfiguration.html" title="CattleConfiguration"><span class="returnvalue">CattleConfiguration</span></a> * cattle_interpreter_get_configuration
(<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>);</pre>
<p>
Get the configuration for <em class="parameter"><code>interpreter</code></em>.
See <a class="link" href="CattleInterpreter.html#cattle-interpreter-set-configuration" title="cattle_interpreter_set_configuration ()"><code class="function">cattle_interpreter_set_configuration()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>interpreter</code></em> :</span></p></td>
<td>a <a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>configuration for <em class="parameter"><code>interpreter</code></em>. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="cattle-interpreter-set-program"></a><h3>cattle_interpreter_set_program ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> cattle_interpreter_set_program (<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>,
<em class="parameter"><code><a class="link" href="CattleProgram.html" title="CattleProgram"><span class="type">CattleProgram</span></a> *program</code></em>);</pre>
<p>
Set the program to be executed by <em class="parameter"><code>interpreter</code></em>.
</p>
<p>
A single program can be shared between multiple interpreters,
as long as care is taken not to modify it after it has been
assigned to any of them.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>interpreter</code></em> :</span></p></td>
<td>a <a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>program</code></em> :</span></p></td>
<td>a <a class="link" href="CattleProgram.html" title="CattleProgram"><span class="type">CattleProgram</span></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="cattle-interpreter-get-program"></a><h3>cattle_interpreter_get_program ()</h3>
<pre class="programlisting"><a class="link" href="CattleProgram.html" title="CattleProgram"><span class="returnvalue">CattleProgram</span></a> * cattle_interpreter_get_program (<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>);</pre>
<p>
Get the program for <em class="parameter"><code>interpreter</code></em>.
See <a class="link" href="CattleInterpreter.html#cattle-interpreter-set-program" title="cattle_interpreter_set_program ()"><code class="function">cattle_interpreter_set_program()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>interpreter</code></em> :</span></p></td>
<td>a <a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the program for <em class="parameter"><code>interpreter</code></em>. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="cattle-interpreter-set-tape"></a><h3>cattle_interpreter_set_tape ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> cattle_interpreter_set_tape (<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>,
<em class="parameter"><code><a class="link" href="CattleTape.html" title="CattleTape"><span class="type">CattleTape</span></a> *tape</code></em>);</pre>
<p>
Set the memory tape used by <em class="parameter"><code>interpreter</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>interpreter</code></em> :</span></p></td>
<td>a <a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>tape</code></em> :</span></p></td>
<td>a <a class="link" href="CattleTape.html" title="CattleTape"><span class="type">CattleTape</span></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="cattle-interpreter-get-tape"></a><h3>cattle_interpreter_get_tape ()</h3>
<pre class="programlisting"><a class="link" href="CattleTape.html" title="CattleTape"><span class="returnvalue">CattleTape</span></a> * cattle_interpreter_get_tape (<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>);</pre>
<p>
Get the memory tape used by <em class="parameter"><code>interpreter</code></em>.
See <a class="link" href="CattleInterpreter.html#cattle-interpreter-set-tape" title="cattle_interpreter_set_tape ()"><code class="function">cattle_interpreter_set_tape()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>interpreter</code></em> :</span></p></td>
<td>a <a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the memory tape for <em class="parameter"><code>interpreter</code></em>. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="CattleInputHandler"></a><h3>CattleInputHandler ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> (*CattleInputHandler) (<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>
Handler for an input operation.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>interpreter</code></em> :</span></p></td>
<td>a <a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>user data passed to the handler</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>return location for a <a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="cattle-interpreter-set-input-handler"></a><h3>cattle_interpreter_set_input_handler ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> cattle_interpreter_set_input_handler
(<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>,
<em class="parameter"><code><a class="link" href="CattleInterpreter.html#CattleInputHandler" title="CattleInputHandler ()"><span class="type">CattleInputHandler</span></a> handler</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre>
<p>
Set the input handler for <em class="parameter"><code>interpreter</code></em>.
</p>
<p>
The handler will be invoked every time <em class="parameter"><code>interpreter</code></em> needs to perform
an input action; if <em class="parameter"><code>handler</code></em> is <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>, the default input handler will
be used.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>interpreter</code></em> :</span></p></td>
<td>a <a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>handler</code></em> :</span></p></td>
<td>input handler, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. <span class="annotation">[<acronym title="The callback is valid until the GDestroyNotify argument is called."><span class="acronym">scope notified</span></acronym>][<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data for <em class="parameter"><code>handler</code></em>. <span class="annotation">[<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="CattleOutputHandler"></a><h3>CattleOutputHandler ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> (*CattleOutputHandler) (<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> output</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>
Handler for an output operation.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>interpreter</code></em> :</span></p></td>
<td>a <a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>output</code></em> :</span></p></td>
<td>a <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> to output</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>user data passed to the handler</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>return location for a <a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="cattle-interpreter-set-output-handler"></a><h3>cattle_interpreter_set_output_handler ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> cattle_interpreter_set_output_handler
(<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>,
<em class="parameter"><code><a class="link" href="CattleInterpreter.html#CattleOutputHandler" title="CattleOutputHandler ()"><span class="type">CattleOutputHandler</span></a> handler</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre>
<p>
Set the output handler for <em class="parameter"><code>interpreter</code></em>.
</p>
<p>
The handler will be invoked every time <em class="parameter"><code>interpreter</code></em> needs to perform
an output action; if <em class="parameter"><code>handler</code></em> is <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>, the default output handler will
be used.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>interpreter</code></em> :</span></p></td>
<td>a <a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>handler</code></em> :</span></p></td>
<td>output handler, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. <span class="annotation">[<acronym title="The callback is valid until the GDestroyNotify argument is called."><span class="acronym">scope notified</span></acronym>][<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data for <em class="parameter"><code>handler</code></em>. <span class="annotation">[<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="CattleDebugHandler"></a><h3>CattleDebugHandler ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> (*CattleDebugHandler) (<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a> **error</code></em>);</pre>
<p>
Handler for a debug operation.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>interpreter</code></em> :</span></p></td>
<td>a <a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>user data passed to the handler</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>return location for a <a href="/usr/share/gtk-doc/html/glib/glib-Error-Reporting.html#GError"><span class="type">GError</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> on success, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="cattle-interpreter-set-debug-handler"></a><h3>cattle_interpreter_set_debug_handler ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> cattle_interpreter_set_debug_handler
(<em class="parameter"><code><a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a> *interpreter</code></em>,
<em class="parameter"><code><a class="link" href="CattleInterpreter.html#CattleInputHandler" title="CattleInputHandler ()"><span class="type">CattleInputHandler</span></a> handler</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre>
<p>
Set the debug handler for <em class="parameter"><code>interpreter</code></em>.
</p>
<p>
The handler will be invoked every time <em class="parameter"><code>interpreter</code></em> needs to perform
a debug action; if <em class="parameter"><code>handler</code></em> is <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>, the default debug handler will
be used.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>interpreter</code></em> :</span></p></td>
<td>a <a class="link" href="CattleInterpreter.html" title="CattleInterpreter"><span class="type">CattleInterpreter</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>handler</code></em> :</span></p></td>
<td>debug handler, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. <span class="annotation">[<acronym title="The callback is valid until the GDestroyNotify argument is called."><span class="acronym">scope notified</span></acronym>][<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data for <em class="parameter"><code>handler</code></em>. <span class="annotation">[<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span>
</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1">
<a name="CattleInterpreter.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="CattleInterpreter--configuration"></a><h3>The <code class="literal">"configuration"</code> property</h3>
<pre class="programlisting"> "configuration" <a class="link" href="CattleConfiguration.html" title="CattleConfiguration"><span class="type">CattleConfiguration</span></a>* : Read / Write</pre>
<p>
Configuration used by the interpreter.
</p>
<p>
Changes to this property are not notified.
</p>
</div>
<hr>
<div class="refsect2">
<a name="CattleInterpreter--program"></a><h3>The <code class="literal">"program"</code> property</h3>
<pre class="programlisting"> "program" <a class="link" href="CattleProgram.html" title="CattleProgram"><span class="type">CattleProgram</span></a>* : Read / Write</pre>
<p>
Program executed by the interpreter.
</p>
<p>
Changes to this property are not notified.
</p>
</div>
<hr>
<div class="refsect2">
<a name="CattleInterpreter--tape"></a><h3>The <code class="literal">"tape"</code> property</h3>
<pre class="programlisting"> "tape" <a class="link" href="CattleTape.html" title="CattleTape"><span class="type">CattleTape</span></a>* : Read / Write</pre>
<p>
Tape used to store the data needed by the program.
</p>
<p>
Changes to this property are not notified.
</p>
</div>
</div>
</div>
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