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<h2 id="sec:idesummary"><a id="sec:3.9"><span class="sec-nr">3.9</span> <span class="sec-title">Summary 
of the IDE</span></a></h2>

<a id="sec:idesummary"></a>

<p>The SWI-Prolog development environment consists of a number of 
interrelated but not (yet) integrated tools. Here is a list of the most 
important features and tips.

<p>
<ul class="latex">
<li><i>Atom completion</i><br>
The console<sup class="fn">33<span class="fn-text">On Windows this is 
realised by swipl-win.exe, on Unix through the GNU readline library, 
which is included automatically when found by <b>configure</b>.</span></sup> 
completes a partial atom on the <code>TAB</code> key and shows 
alternatives on the command <code>Alt-?</code>.

<p>
<li><i>Use <a id="idx:edit1:295"></a><a class="pred" href="edit.html#edit/1">edit/1</a> 
for finding locations</i><br>
The command <a id="idx:edit1:296"></a><a class="pred" href="edit.html#edit/1">edit/1</a> 
takes the name of a file, module, predicate or other entity registered 
through extensions and starts the user's preferred editor at the right 
location.

<p>
<li><i>Select editor</i><br>
External editors are selected using the <code>EDITOR</code> environment 
variable, by setting the Prolog flag <a class="flag" href="flags.html#flag:editor">editor</a>, 
or by defining the hook prolog_edit:edit_source/1.

<p>
<li><i>Update Prolog after editing</i><br>
Using <a id="idx:make0:297"></a><a class="pred" href="consulting.html#make/0">make/0</a>, 
all files you have edited are re-loaded.

<p>
<li><i>PceEmacs</i><br>
Offers syntax highlighting and checking based on real-time parsing of 
the editor's buffer, layout support and navigation support.

<p>
<li><i>Using the graphical debugger</i><br>
The predicates <a id="idx:guitracer0:298"></a><a class="pred" href="guitracer.html#guitracer/0">guitracer/0</a> 
and <a id="idx:noguitracer0:299"></a><a class="pred" href="guitracer.html#noguitracer/0">noguitracer/0</a> 
switch between traditional text-based and window-based debugging. The 
tracer is activated using the <a id="idx:trace0:300"></a><a class="pred" href="debugger.html#trace/0">trace/0</a>, <a id="idx:spy1:301"></a><a class="pred" href="debugger.html#spy/1">spy/1</a> 
or menu items from PceEmacs or the Prolog Navigator.

<p>
<li><i>The Prolog Navigator</i><br>
Shows the file structure and structure inside the file. It allows for 
loading files, editing, setting spy points, etc.
</ul>

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swi-prolog-nox 6.6.4-2ubuntu1 / usr / lib / swi-prolog / doc / Manual / idesummary.html
