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<div id="projectname">CVC3 <span id="projectnumber">2.4.1</span></div>
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<div class="title">proof.h</div> </div>
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<a href="proof_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*****************************************************************************/</span><span class="comment"></span>
<a name="l00002"></a>00002 <span class="comment">/*!</span>
<a name="l00003"></a>00003 <span class="comment"> * \file proof.h</span>
<a name="l00004"></a>00004 <span class="comment"> * </span>
<a name="l00005"></a>00005 <span class="comment"> * Author: Sergey Berezin</span>
<a name="l00006"></a>00006 <span class="comment"> * </span>
<a name="l00007"></a>00007 <span class="comment"> * Created: Dec 10 00:37:49 GMT 2002</span>
<a name="l00008"></a>00008 <span class="comment"> *</span>
<a name="l00009"></a>00009 <span class="comment"> * <hr></span>
<a name="l00010"></a>00010 <span class="comment"> *</span>
<a name="l00011"></a>00011 <span class="comment"> * License to use, copy, modify, sell and/or distribute this software</span>
<a name="l00012"></a>00012 <span class="comment"> * and its documentation for any purpose is hereby granted without</span>
<a name="l00013"></a>00013 <span class="comment"> * royalty, subject to the terms and conditions defined in the \ref</span>
<a name="l00014"></a>00014 <span class="comment"> * LICENSE file provided with this distribution.</span>
<a name="l00015"></a>00015 <span class="comment"> * </span>
<a name="l00016"></a>00016 <span class="comment"> * <hr></span>
<a name="l00017"></a>00017 <span class="comment"> * </span>
<a name="l00018"></a>00018 <span class="comment"> */</span>
<a name="l00019"></a>00019 <span class="comment">/*****************************************************************************/</span>
<a name="l00020"></a>00020 <span class="comment">// CLASS: Proof</span>
<a name="l00021"></a>00021 <span class="comment">//</span>
<a name="l00022"></a>00022 <span class="comment">// AUTHOR: Sergey Berezin, 12/03/2002</span>
<a name="l00023"></a>00023 <span class="comment">//</span>
<a name="l00024"></a>00024 <span class="comment">// Abstract:</span>
<a name="l00025"></a>00025 <span class="comment">//</span>
<a name="l00026"></a>00026 <span class="comment">// Proof is a wrapper around Expr, to prevent accidental mix-up. Only</span>
<a name="l00027"></a>00027 <span class="comment">// proof rules and adaptors are supposed to use any of its methods.</span><span class="comment"></span>
<a name="l00028"></a>00028 <span class="comment">///////////////////////////////////////////////////////////////////////////////</span>
<a name="l00029"></a>00029 <span class="comment"></span><span class="preprocessor">#ifndef _cvc3__expr_h_</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="expr_8h.html" title="Definition of the API to expression package. See class Expr for details.">expr.h</a>"</span>
<a name="l00031"></a>00031 <span class="preprocessor">#endif</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span>
<a name="l00033"></a>00033 <span class="preprocessor">#ifndef _cvc3__proof_h_</span>
<a name="l00034"></a>00034 <span class="preprocessor"></span><span class="preprocessor">#define _cvc3__proof_h_</span>
<a name="l00035"></a>00035 <span class="preprocessor"></span>
<a name="l00036"></a>00036 <span class="keyword">namespace </span>CVC3 {
<a name="l00037"></a>00037
<a name="l00038"></a><a class="code" href="classCVC3_1_1Proof.html">00038</a> <span class="keyword">class </span><a class="code" href="classCVC3_1_1Proof.html">Proof</a> {
<a name="l00039"></a>00039 <span class="keyword">private</span>:
<a name="l00040"></a><a class="code" href="classCVC3_1_1Proof.html#a3ba07405cde74a07615762b74c9876e1">00040</a> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> <a class="code" href="classCVC3_1_1Proof.html#a3ba07405cde74a07615762b74c9876e1">d_proof</a>;
<a name="l00041"></a>00041 <span class="comment">// unsigned d_insts; //by yeting, this is to store the number of instantiations. debug only</span>
<a name="l00042"></a>00042 <span class="keyword">public</span>:
<a name="l00043"></a><a class="code" href="classCVC3_1_1Proof.html#a5797879bf27b078e5ca6b9987b367ea7">00043</a> <a class="code" href="classCVC3_1_1Proof.html#a5797879bf27b078e5ca6b9987b367ea7">Proof</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> &e) : <a class="code" href="classCVC3_1_1Proof.html#a3ba07405cde74a07615762b74c9876e1">d_proof</a>(e) { } <span class="comment">// Constructor</span>
<a name="l00044"></a><a class="code" href="classCVC3_1_1Proof.html#a0fcdb8de13162e95f4f6d5c395e48400">00044</a> <a class="code" href="classCVC3_1_1Proof.html#a0fcdb8de13162e95f4f6d5c395e48400">Proof</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Proof.html">Proof</a>& p) : <a class="code" href="classCVC3_1_1Proof.html#a3ba07405cde74a07615762b74c9876e1">d_proof</a>(p.<a class="code" href="classCVC3_1_1Proof.html#a3ba07405cde74a07615762b74c9876e1">d_proof</a>) { } <span class="comment">// Copy constructor</span>
<a name="l00045"></a><a class="code" href="classCVC3_1_1Proof.html#aafd41d9f1e717d06a504cb8444e259fd">00045</a> <a class="code" href="classCVC3_1_1Proof.html#aafd41d9f1e717d06a504cb8444e259fd">Proof</a>() : <a class="code" href="classCVC3_1_1Proof.html#a3ba07405cde74a07615762b74c9876e1">d_proof</a>() { } <span class="comment">// Null proof constructor</span>
<a name="l00046"></a><a class="code" href="classCVC3_1_1Proof.html#a20cd8a5db4f7f07155464880300fb4c9">00046</a> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a> <a class="code" href="classCVC3_1_1Proof.html#a20cd8a5db4f7f07155464880300fb4c9">getExpr</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Proof.html#a3ba07405cde74a07615762b74c9876e1">d_proof</a>; } <span class="comment">// Extract the expr handle</span>
<a name="l00047"></a><a class="code" href="classCVC3_1_1Proof.html#a24acb4848153feb8b0c88eb825b92046">00047</a> <span class="keywordtype">bool</span> <a class="code" href="classCVC3_1_1Proof.html#a24acb4848153feb8b0c88eb825b92046">isNull</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classCVC3_1_1Proof.html#a3ba07405cde74a07615762b74c9876e1">d_proof</a>.<a class="code" href="group__ExprPkg.html#ga0265d1ca42fa59c95aaff3ca675b6504">isNull</a>(); }
<a name="l00048"></a>00048 <span class="comment">// Printing</span>
<a name="l00049"></a>00049 <span class="keyword">friend</span> std::ostream& <a class="code" href="classCVC3_1_1Proof.html#aaf12b06d4c04d9c15a01200e092b0f30">operator<<</a>(std::ostream& os, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Proof.html">Proof</a>& pf);
<a name="l00050"></a><a class="code" href="classCVC3_1_1Proof.html#a8c03764cdb0785b6ba92ebf84530f1aa">00050</a> std::string <a class="code" href="classCVC3_1_1Proof.html#a8c03764cdb0785b6ba92ebf84530f1aa">toString</a>()<span class="keyword"> const </span>{
<a name="l00051"></a>00051 std::ostringstream ss;
<a name="l00052"></a>00052 ss<<(*this);
<a name="l00053"></a>00053 <span class="keywordflow">return</span> ss.str();
<a name="l00054"></a>00054 }
<a name="l00055"></a>00055 }; <span class="comment">// End of class Proof</span>
<a name="l00056"></a>00056
<a name="l00057"></a><a class="code" href="namespaceCVC3.html#a9e8e945f4150e4573ddbc0c76497ab50">00057</a> <span class="keyword">inline</span> std::ostream& <a class="code" href="namespaceCVC3.html#a6b7e38d3c97da1e91e12a6c9555b8163">operator<<</a>(std::ostream& os, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Proof.html">Proof</a>& pf) {
<a name="l00058"></a>00058 <span class="keywordflow">return</span> os << <span class="stringliteral">"Proof("</span> << pf.<a class="code" href="classCVC3_1_1Proof.html#a20cd8a5db4f7f07155464880300fb4c9">getExpr</a>() << <span class="stringliteral">")"</span>;
<a name="l00059"></a>00059 }
<a name="l00060"></a>00060
<a name="l00061"></a><a class="code" href="namespaceCVC3.html#ac0d6f4a6dfe378646804f3c3b46e6d3e">00061</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="namespaceCVC3.html#a8e164436388f2d87c971d9bbde973c58">operator==</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Proof.html">Proof</a>& pf1, <span class="keyword">const</span> <a class="code" href="classCVC3_1_1Proof.html">Proof</a>& pf2) {
<a name="l00062"></a>00062 <span class="keywordflow">return</span> pf1.<a class="code" href="classCVC3_1_1Proof.html#a20cd8a5db4f7f07155464880300fb4c9">getExpr</a>() == pf2.<a class="code" href="classCVC3_1_1Proof.html#a20cd8a5db4f7f07155464880300fb4c9">getExpr</a>();
<a name="l00063"></a>00063 }
<a name="l00064"></a>00064
<a name="l00065"></a>00065 } <span class="comment">// end of namespace CVC3</span>
<a name="l00066"></a>00066 <span class="preprocessor">#endif</span>
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