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<link title="Dominators" rel="Chapter" href="Dominators.html"><title>CIL API Documentation (version 1.3.5) : Cfg</title>
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<center><h1>Module <a href="type_Cfg.html">Cfg</a></h1></center>
<br>
<pre><span class="keyword">module</span> Cfg: <code class="code">sig</code> <a href="Cfg.html">..</a> <code class="code">end</code></pre>Code to compute the control-flow graph of a function or file.
This will fill in the <code class="code">preds</code> and <code class="code">succs</code> fields of <a href="Cil.html#TYPEstmt"><code class="code">Cil.stmt</code></a>
<p>
This is required for several other extensions, such as <a href="Dataflow.html"><code class="code">Dataflow</code></a>.<br>
<hr width="100%">
<pre><span class="keyword">val</span> <a name="VALcomputeFileCFG"></a>computeFileCFG : <code class="type"><a href="Cil.html#TYPEfile">Cil.file</a> -> unit</code></pre><div class="info">
Compute the CFG for an entire file, by calling cfgFun on each function.<br>
</div>
<pre><span class="keyword">val</span> <a name="VALclearFileCFG"></a>clearFileCFG : <code class="type"><a href="Cil.html#TYPEfile">Cil.file</a> -> unit</code></pre><div class="info">
clear the sid, succs, and preds fields of each statement.<br>
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<pre><span class="keyword">val</span> <a name="VALcfgFun"></a>cfgFun : <code class="type"><a href="Cil.html#TYPEfundec">Cil.fundec</a> -> int</code></pre><div class="info">
Compute a control flow graph for fd. Stmts in fd have preds and succs
filled in<br>
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<pre><span class="keyword">val</span> <a name="VALclearCFGinfo"></a>clearCFGinfo : <code class="type"><a href="Cil.html#TYPEfundec">Cil.fundec</a> -> unit</code></pre><div class="info">
clear the sid, succs, and preds fields of each statment in a function<br>
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<pre><span class="keyword">val</span> <a name="VALprintCfgChannel"></a>printCfgChannel : <code class="type">Pervasives.out_channel -> <a href="Cil.html#TYPEfundec">Cil.fundec</a> -> unit</code></pre><div class="info">
print control flow graph (in dot form) for fundec to channel<br>
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<pre><span class="keyword">val</span> <a name="VALprintCfgFilename"></a>printCfgFilename : <code class="type">string -> <a href="Cil.html#TYPEfundec">Cil.fundec</a> -> unit</code></pre><div class="info">
Print control flow graph (in dot form) for fundec to file<br>
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<pre><span class="keyword">val</span> <a name="VALstart_id"></a>start_id : <code class="type">int Pervasives.ref</code></pre><div class="info">
Next statement id that will be assigned.<br>
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<pre><span class="keyword">val</span> <a name="VALnodeList"></a>nodeList : <code class="type"><a href="Cil.html#TYPEstmt">Cil.stmt</a> list Pervasives.ref</code></pre><div class="info">
All of the nodes in a file.<br>
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<pre><span class="keyword">val</span> <a name="VALnumNodes"></a>numNodes : <code class="type">int Pervasives.ref</code></pre><div class="info">
number of nodes in the CFG<br>
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