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<h1>shlysis.hh</h1><a href="shlysis_8hh.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/************************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"> ************************************************************************</span>
<a name="l00003"></a>00003 <span class="comment"> FAUST compiler</span>
<a name="l00004"></a>00004 <span class="comment"> Copyright (C) 2003-2004 GRAME, Centre National de Creation Musicale</span>
<a name="l00005"></a>00005 <span class="comment"> ---------------------------------------------------------------------</span>
<a name="l00006"></a>00006 <span class="comment"> This program is free software; you can redistribute it and/or modify</span>
<a name="l00007"></a>00007 <span class="comment"> it under the terms of the GNU General Public License as published by</span>
<a name="l00008"></a>00008 <span class="comment"> the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00009"></a>00009 <span class="comment"> (at your option) any later version.</span>
<a name="l00010"></a>00010 <span class="comment"></span>
<a name="l00011"></a>00011 <span class="comment"> This program is distributed in the hope that it will be useful,</span>
<a name="l00012"></a>00012 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00013"></a>00013 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00014"></a>00014 <span class="comment"> GNU General Public License for more details.</span>
<a name="l00015"></a>00015 <span class="comment"></span>
<a name="l00016"></a>00016 <span class="comment"> You should have received a copy of the GNU General Public License</span>
<a name="l00017"></a>00017 <span class="comment"> along with this program; if not, write to the Free Software</span>
<a name="l00018"></a>00018 <span class="comment"> Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.</span>
<a name="l00019"></a>00019 <span class="comment"> ************************************************************************</span>
<a name="l00020"></a>00020 <span class="comment"> ************************************************************************/</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="preprocessor">#ifndef __SHLYSIS__</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span><span class="preprocessor">#define __SHLYSIS__</span>
<a name="l00026"></a>00026 <span class="preprocessor"></span><span class="comment">/*****************************************************************************</span>
<a name="l00027"></a>00027 <span class="comment">******************************************************************************</span>
<a name="l00028"></a>00028 <span class="comment"> Tree Sharing Analysis</span>
<a name="l00029"></a>00029 <span class="comment"> Y. Orlarey, (c) Grame 2002</span>
<a name="l00030"></a>00030 <span class="comment">------------------------------------------------------------------------------</span>
<a name="l00031"></a>00031 <span class="comment">The sharing analysis of tree t is the annotation of all its subtrees t' </span>
<a name="l00032"></a>00032 <span class="comment">with their number of occurences in t. As this annotation of t' depends of</span>
<a name="l00033"></a>00033 <span class="comment">a context (the tree t for which t' is a subtree) a specific property key</span>
<a name="l00034"></a>00034 <span class="comment">unique to each sharing analysis must be generated.</span>
<a name="l00035"></a>00035 <span class="comment"></span>
<a name="l00036"></a>00036 <span class="comment"> API:</span>
<a name="l00037"></a>00037 <span class="comment"> ---- </span>
<a name="l00038"></a>00038 <span class="comment"> </span>
<a name="l00039"></a>00039 <span class="comment"> shprkey(t) -> k = unique sharing property key of t</span>
<a name="l00040"></a>00040 <span class="comment"> shcount(k,t') -> n = returns the number of occurences of t' in t (where k = shprkey(t))</span>
<a name="l00041"></a>00041 <span class="comment"> shlysis(t) -> k = annotated the subtrees of t with prop (key sharing-count)</span>
<a name="l00042"></a>00042 <span class="comment"> (0 if t' is not a subtree of t)</span>
<a name="l00043"></a>00043 <span class="comment"></span>
<a name="l00044"></a>00044 <span class="comment"> History :</span>
<a name="l00045"></a>00045 <span class="comment"> ---------</span>
<a name="l00046"></a>00046 <span class="comment"> 2002-04-08 : First version</span>
<a name="l00047"></a>00047 <span class="comment"> </span>
<a name="l00048"></a>00048 <span class="comment">******************************************************************************</span>
<a name="l00049"></a>00049 <span class="comment">*****************************************************************************/</span>
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="preprocessor">#include <string.h></span>
<a name="l00052"></a>00052 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00053"></a>00053 <span class="preprocessor">#include <stdio.h></span>
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="preprocessor">#include "<a class="code" href="list_8hh.html">list.hh</a>"</span>
<a name="l00056"></a>00056
<a name="l00057"></a>00057
<a name="l00058"></a><a class="code" href="shlysis_8hh.html#ab9939aac687344648c82a67abb6e57dc">00058</a> <span class="keyword">typedef</span> bool (*<a class="code" href="shlysis_8hh.html#ab9939aac687344648c82a67abb6e57dc">barrier</a>)(<span class="keyword">const</span> <a class="code" href="classCTree.html" title="A CTree = (Node x [CTree]) is a Node associated with a list of subtrees called branches...">Tree</a>& t);
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="comment">//------------------------------------------------------------------------------</span>
<a name="l00061"></a>00061 <span class="comment">// shprkey : Create a specific property key for the sharing count of subtrees of t</span>
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <a class="code" href="classCTree.html" title="A CTree = (Node x [CTree]) is a Node associated with a list of subtrees called branches...">Tree</a> <a class="code" href="shlysis_8cpp.html#a827cae6cc8102ab89e60ae2996fbdbf4" title="Create a specific property key for the sharing count of subtrees of t.">shprkey</a>(<a class="code" href="classCTree.html" title="A CTree = (Node x [CTree]) is a Node associated with a list of subtrees called branches...">Tree</a> t);
<a name="l00064"></a>00064
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="comment">//------------------------------------------------------------------------------</span>
<a name="l00067"></a>00067 <span class="comment">// shcount : returns the sharing count of t within the tree T of key k</span>
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="keywordtype">int</span> <a class="code" href="shlysis_8cpp.html#a501f0b3e93e8aebc9264835ee051859d" title="Return the value of sharing count or 0.">shcount</a>(<a class="code" href="classCTree.html" title="A CTree = (Node x [CTree]) is a Node associated with a list of subtrees called branches...">Tree</a> key, <a class="code" href="classCTree.html" title="A CTree = (Node x [CTree]) is a Node associated with a list of subtrees called branches...">Tree</a> t);
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <span class="preprocessor">#if 0</span>
<a name="l00072"></a>00072 <span class="preprocessor"></span>
<a name="l00073"></a>00073 <span class="comment">//------------------------------------------------------------------------------</span>
<a name="l00074"></a>00074 <span class="comment">// shlysis : create a specific property key for the sharing count of subtrees of t</span>
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <a class="code" href="classCTree.html" title="A CTree = (Node x [CTree]) is a Node associated with a list of subtrees called branches...">Tree</a> <a class="code" href="shlysis_8cpp.html#a8146485be597a95467cfba6f56ff78c6" title="Do a sharing analysis : annotates all the subtrees of t with there occurences.">shlysis</a>(<a class="code" href="classCTree.html" title="A CTree = (Node x [CTree]) is a Node associated with a list of subtrees called branches...">Tree</a> t);
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <a class="code" href="classCTree.html" title="A CTree = (Node x [CTree]) is a Node associated with a list of subtrees called branches...">Tree</a> <a class="code" href="shlysis_8cpp.html#a8146485be597a95467cfba6f56ff78c6" title="Do a sharing analysis : annotates all the subtrees of t with there occurences.">shlysis</a>(<a class="code" href="classCTree.html" title="A CTree = (Node x [CTree]) is a Node associated with a list of subtrees called branches...">Tree</a> t, <a class="code" href="shlysis_8hh.html#ab9939aac687344648c82a67abb6e57dc">barrier</a> foo);
<a name="l00079"></a>00079 <span class="preprocessor">#endif</span>
<a name="l00080"></a>00080 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
</pre></div></div>
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