<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <link rel="stylesheet" href="style.css" type="text/css"> <meta content="text/html; charset=iso-8859-1" http-equiv="Content-Type"> <link rel="Start" href="index.html"> <link rel="previous" href="Formatcil.html"> <link rel="next" href="Cillower.html"> <link rel="Up" href="index.html"> <link title="Index of types" rel=Appendix href="index_types.html"> <link title="Index of exceptions" rel=Appendix href="index_exceptions.html"> <link title="Index of values" rel=Appendix href="index_values.html"> <link title="Index of class methods" rel=Appendix href="index_methods.html"> <link title="Index of classes" rel=Appendix href="index_classes.html"> <link title="Index of class types" rel=Appendix href="index_class_types.html"> <link title="Index of modules" rel=Appendix href="index_modules.html"> <link title="Index of module types" rel=Appendix href="index_module_types.html"> <link title="Pretty" rel="Chapter" href="Pretty.html"> <link title="Errormsg" rel="Chapter" href="Errormsg.html"> <link title="Clist" rel="Chapter" href="Clist.html"> <link title="Stats" rel="Chapter" href="Stats.html"> <link title="Cil" rel="Chapter" href="Cil.html"> <link title="Formatcil" rel="Chapter" href="Formatcil.html"> <link title="Alpha" rel="Chapter" href="Alpha.html"> <link title="Cillower" rel="Chapter" href="Cillower.html"> <link title="Cfg" rel="Chapter" href="Cfg.html"> <link title="Dataflow" rel="Chapter" href="Dataflow.html"> <link title="Dominators" rel="Chapter" href="Dominators.html"><title>CIL API Documentation (version 1.3.7) : Alpha</title> </head> <body> <div class="navbar"><a href="Formatcil.html">Previous</a> <a href="index.html">Up</a> <a href="Cillower.html">Next</a> </div> <center><h1>Module <a href="type_Alpha.html">Alpha</a></h1></center> <br> <pre><span class="keyword">module</span> Alpha: <code class="code">sig</code> <a href="Alpha.html">..</a> <code class="code">end</code></pre>ALPHA conversion<br> <hr width="100%"> <pre><span class="keyword">type</span> <a name="TYPEundoAlphaElement"></a><code class="type">'a</code> undoAlphaElement </pre> <div class="info"> This is the type of the elements that are recorded by the alpha conversion functions in order to be able to undo changes to the tables they modify. Useful for implementing scoping<br> </div> <pre><span class="keyword">type</span> <a name="TYPEalphaTableData"></a><code class="type">'a</code> alphaTableData </pre> <div class="info"> This is the type of the elements of the alpha renaming table. These elements can carry some data associated with each occurrence of the name.<br> </div> <pre><span class="keyword">val</span> <a name="VALnewAlphaName"></a>newAlphaName : <code class="type">alphaTable:(string, 'a <a href="Alpha.html#TYPEalphaTableData">alphaTableData</a> ref) Hashtbl.t -><br> undolist:'a <a href="Alpha.html#TYPEundoAlphaElement">undoAlphaElement</a> list ref option -><br> lookupname:string -> data:'a -> string * 'a</code></pre><div class="info"> Create a new name based on a given name. The new name is formed from a prefix (obtained from the given name by stripping a suffix consisting of ___ followed by up to 9 digits), followed by a special separator and then by a positive integer suffix. The first argument is a table mapping name prefixes to some data that specifies what suffixes have been used and how to create the new one. This function updates the table with the new largest suffix generated. The "undolist" argument, when present, will be used by the function to record information that can be used by <a href="Alpha.html#VALundoAlphaChanges"><code class="code">Alpha.undoAlphaChanges</code></a> to undo those changes. Note that the undo information will be in reverse order in which the action occurred. Returns the new name and, if different from the lookupname, the location of the previous occurrence. This function knows about the location implicitly from the <a href="Cil.html#VALcurrentLoc"><code class="code">Cil.currentLoc</code></a>.<br> </div> <pre><span class="keyword">val</span> <a name="VALregisterAlphaName"></a>registerAlphaName : <code class="type">alphaTable:(string, 'a <a href="Alpha.html#TYPEalphaTableData">alphaTableData</a> ref) Hashtbl.t -><br> undolist:'a <a href="Alpha.html#TYPEundoAlphaElement">undoAlphaElement</a> list ref option -><br> lookupname:string -> data:'a -> unit</code></pre><div class="info"> Register a name with an alpha conversion table to ensure that when later we call newAlphaName we do not end up generating this one<br> </div> <pre><span class="keyword">val</span> <a name="VALdocAlphaTable"></a>docAlphaTable : <code class="type">unit -><br> (string, 'a <a href="Alpha.html#TYPEalphaTableData">alphaTableData</a> ref) Hashtbl.t -> <a href="Pretty.html#TYPEdoc">Pretty.doc</a></code></pre><div class="info"> Split the name in preparation for newAlphaName. The prefix returned is used to index into the hashtable. The next result value is a separator (either empty or the separator chosen to separate the original name from the index)<br> </div> <pre><span class="keyword">val</span> <a name="VALgetAlphaPrefix"></a>getAlphaPrefix : <code class="type">lookupname:string -> string</code></pre><pre><span class="keyword">val</span> <a name="VALundoAlphaChanges"></a>undoAlphaChanges : <code class="type">alphaTable:(string, 'a <a href="Alpha.html#TYPEalphaTableData">alphaTableData</a> ref) Hashtbl.t -><br> undolist:'a <a href="Alpha.html#TYPEundoAlphaElement">undoAlphaElement</a> list -> unit</code></pre><div class="info"> Undo the changes to a table<br> </div> </body></html>