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-<link title="Dominators" rel="Chapter" href="Dominators.html"><title>CIL API Documentation (version 1.3.5) : Dataflow.ForwardsTransfer</title>
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-<center><h1>Module type <a href="type_Dataflow.ForwardsTransfer.html">Dataflow.ForwardsTransfer</a></h1></center>
-<br>
-<pre><span class="keyword">module type</span> ForwardsTransfer = <code class="code">sig</code> <a href="Dataflow.ForwardsTransfer.html">..</a> <code class="code">end</code></pre><hr width="100%">
-<pre><span class="keyword">val</span> <a name="VALname"></a>name : <code class="type">string</code></pre><div class="info">
-For debugging purposes, the name of the analysis<br>
-</div>
-<pre><span class="keyword">val</span> <a name="VALdebug"></a>debug : <code class="type">bool Pervasives.ref</code></pre><div class="info">
-Whether to turn on debugging<br>
-</div>
-<pre><span class="keyword">type</span> <a name="TYPEt"></a><code class="type"></code>t </pre>
-<div class="info">
-The type of the data we compute for each block start. May be
- imperative.<br>
-</div>
-
-<pre><span class="keyword">val</span> <a name="VALcopy"></a>copy : <code class="type"><a href="Dataflow.ForwardsTransfer.html#TYPEt">t</a> -> <a href="Dataflow.ForwardsTransfer.html#TYPEt">t</a></code></pre><div class="info">
-Make a deep copy of the data<br>
-</div>
-<pre><span class="keyword">val</span> <a name="VALstmtStartData"></a>stmtStartData : <code class="type"><a href="Dataflow.ForwardsTransfer.html#TYPEt">t</a> Inthash.t</code></pre><div class="info">
-For each statement id, the data at the start. Not found in the hash
- table means nothing is known about the state at this point. At the end
- of the analysis this means that the block is not reachable.<br>
-</div>
-<pre><span class="keyword">val</span> <a name="VALpretty"></a>pretty : <code class="type">unit -> <a href="Dataflow.ForwardsTransfer.html#TYPEt">t</a> -> <a href="Pretty.html#TYPEdoc">Pretty.doc</a></code></pre><div class="info">
-Pretty-print the state<br>
-</div>
-<pre><span class="keyword">val</span> <a name="VALcomputeFirstPredecessor"></a>computeFirstPredecessor : <code class="type"><a href="Cil.html#TYPEstmt">Cil.stmt</a> -> <a href="Dataflow.ForwardsTransfer.html#TYPEt">t</a> -> <a href="Dataflow.ForwardsTransfer.html#TYPEt">t</a></code></pre><div class="info">
-Give the first value for a predecessors, compute the value to be set
- for the block<br>
-</div>
-<pre><span class="keyword">val</span> <a name="VALcombinePredecessors"></a>combinePredecessors : <code class="type"><a href="Cil.html#TYPEstmt">Cil.stmt</a> -><br> old:<a href="Dataflow.ForwardsTransfer.html#TYPEt">t</a> -><br> <a href="Dataflow.ForwardsTransfer.html#TYPEt">t</a> -> <a href="Dataflow.ForwardsTransfer.html#TYPEt">t</a> option</code></pre><div class="info">
-Take some old data for the start of a statement, and some new data for
- the same point. Return None if the combination is identical to the old
- data. Otherwise, compute the combination, and return it.<br>
-</div>
-<pre><span class="keyword">val</span> <a name="VALdoInstr"></a>doInstr : <code class="type"><a href="Cil.html#TYPEinstr">Cil.instr</a> -><br> <a href="Dataflow.ForwardsTransfer.html#TYPEt">t</a> -> <a href="Dataflow.ForwardsTransfer.html#TYPEt">t</a> <a href="Dataflow.html#TYPEaction">Dataflow.action</a></code></pre><div class="info">
-The (forwards) transfer function for an instruction. The
- <a href="Cil.html#VALcurrentLoc"><code class="code">Cil.currentLoc</code></a> is set before calling this. The default action is to
- continue with the state unchanged.<br>
-</div>
-<pre><span class="keyword">val</span> <a name="VALdoStmt"></a>doStmt : <code class="type"><a href="Cil.html#TYPEstmt">Cil.stmt</a> -><br> <a href="Dataflow.ForwardsTransfer.html#TYPEt">t</a> -><br> <a href="Dataflow.ForwardsTransfer.html#TYPEt">t</a> <a href="Dataflow.html#TYPEstmtaction">Dataflow.stmtaction</a></code></pre><div class="info">
-The (forwards) transfer function for a statement. The <a href="Cil.html#VALcurrentLoc"><code class="code">Cil.currentLoc</code></a>
- is set before calling this. The default action is to do the instructions
- in this statement, if applicable, and continue with the successors.<br>
-</div>
-<pre><span class="keyword">val</span> <a name="VALdoGuard"></a>doGuard : <code class="type"><a href="Cil.html#TYPEexp">Cil.exp</a> -><br> <a href="Dataflow.ForwardsTransfer.html#TYPEt">t</a> -><br> <a href="Dataflow.ForwardsTransfer.html#TYPEt">t</a> <a href="Dataflow.html#TYPEguardaction">Dataflow.guardaction</a></code></pre><div class="info">
-Generate the successor to an If statement assuming the given expression
- is nonzero. Analyses that don't need guard information can return
- GDefault; this is equivalent to returning GUse of the input.
- A return value of GUnreachable indicates that this half of the branch
- will not be taken and should not be explored. This will be called
- twice per If, once for "then" and once for "else".<br>
-</div>
-<pre><span class="keyword">val</span> <a name="VALfilterStmt"></a>filterStmt : <code class="type"><a href="Cil.html#TYPEstmt">Cil.stmt</a> -> bool</code></pre><div class="info">
-Whether to put this statement in the worklist. This is called when a
- block would normally be put in the worklist.<br>
-</div>
-</body></html> \ No newline at end of file