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<div class="title">search_simple.h</div> </div>
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<a href="search__simple_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 search_simple.h</span>
<a name="l00004"></a>00004 <span class="comment"> * </span>
<a name="l00005"></a>00005 <span class="comment"> * Author: Clark Barrett</span>
<a name="l00006"></a>00006 <span class="comment"> * </span>
<a name="l00007"></a>00007 <span class="comment"> * Created: Sat Mar 29 21:53:46 2003</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
<a name="l00021"></a>00021 <span class="preprocessor">#ifndef _cvc3__include__search_simple_h_</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#define _cvc3__include__search_simple_h_</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="search__impl__base_8h.html" title="Abstract API to the proof search engine.">search_impl_base.h</a>"</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="statistics_8h.html" title="Description: Counters and flags for collecting run-time statistics.">statistics.h</a>"</span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="keyword">namespace </span>CVC3 {
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="keyword">class </span>DecisionEngine;
<a name="l00030"></a>00030 <span class="comment"></span>
<a name="l00031"></a>00031 <span class="comment">/*!</span>
<a name="l00032"></a>00032 <span class="comment"> * \defgroup SE_Simple Simple Search Engine</span>
<a name="l00033"></a>00033 <span class="comment"> * \ingroup SE</span>
<a name="l00034"></a>00034 <span class="comment"> *</span>
<a name="l00035"></a>00035 <span class="comment"> * This module includes all the components of a very simplistic search</span>
<a name="l00036"></a>00036 <span class="comment"> * engine. It is used mainly for debugging purposes.</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"> //! Implementation of the simple search engine</span>
<a name="l00040"></a>00040 <span class="comment"></span><span class="comment"> /*! \ingroup SE_Simple */</span>
<a name="l00041"></a><a class="code" href="classCVC3_1_1SearchSimple.html">00041</a> <span class="keyword">class </span><a class="code" href="classCVC3_1_1SearchSimple.html" title="Implementation of the simple search engine.">SearchSimple</a>: <span class="keyword">public</span> <a class="code" href="classCVC3_1_1SearchImplBase.html" title="API to to a generic proof search engine (a.k.a. SAT solver)">SearchImplBase</a> {<span class="comment"></span>
<a name="l00042"></a>00042 <span class="comment"> /*! \addtogroup SE_Simple </span>
<a name="l00043"></a>00043 <span class="comment"> * @{</span>
<a name="l00044"></a>00044 <span class="comment"> */</span>
<a name="l00045"></a>00045 <span class="comment"></span>
<a name="l00046"></a>00046 <span class="comment"> //! Name</span>
<a name="l00047"></a><a class="code" href="group__SE__Simple.html#ga387b080605ddbd0b7a124ff3fe44d645">00047</a> <span class="comment"></span> std::string <a class="code" href="group__SE__Simple.html#ga387b080605ddbd0b7a124ff3fe44d645" title="Name.">d_name</a>;
<a name="l00048"></a>00048 <span class="comment"></span>
<a name="l00049"></a>00049 <span class="comment"> //! Decision Engine</span>
<a name="l00050"></a><a class="code" href="group__SE__Simple.html#ga2768cc5c1cd7cc3ddad85c58a12be346">00050</a> <span class="comment"></span> <a class="code" href="classCVC3_1_1DecisionEngine.html">DecisionEngine</a>* <a class="code" href="group__SE__Simple.html#ga2768cc5c1cd7cc3ddad85c58a12be346" title="Decision Engine.">d_decisionEngine</a>;
<a name="l00051"></a>00051 <span class="comment"></span>
<a name="l00052"></a>00052 <span class="comment"> //! Formula being checked</span>
<a name="l00053"></a><a class="code" href="group__SE__Simple.html#gac6fb434835121c59d9ddfb6292ba1748">00053</a> <span class="comment"></span> <a class="code" href="classCVC3_1_1CDO.html">CDO<Theorem></a> <a class="code" href="group__SE__Simple.html#gac6fb434835121c59d9ddfb6292ba1748" title="Formula being checked.">d_goal</a>;<span class="comment"></span>
<a name="l00054"></a>00054 <span class="comment"> //! Non-literals generated by DP's</span>
<a name="l00055"></a><a class="code" href="group__SE__Simple.html#ga5993bff58130ad6cf24be03068caafc0">00055</a> <span class="comment"></span> <a class="code" href="classCVC3_1_1CDO.html">CDO<Theorem></a> <a class="code" href="group__SE__Simple.html#ga5993bff58130ad6cf24be03068caafc0" title="Non-literals generated by DP's.">d_nonLiterals</a>;<span class="comment"></span>
<a name="l00056"></a>00056 <span class="comment"> //! Theorem which records simplification of the last query</span>
<a name="l00057"></a><a class="code" href="group__SE__Simple.html#gacb55ccfffc8ddac8c90c3f77e24867ec">00057</a> <span class="comment"></span> <a class="code" href="classCVC3_1_1CDO.html">CDO<Theorem></a> <a class="code" href="group__SE__Simple.html#gacb55ccfffc8ddac8c90c3f77e24867ec" title="Theorem which records simplification of the last query.">d_simplifiedThm</a>;
<a name="l00058"></a>00058 <span class="comment"></span>
<a name="l00059"></a>00059 <span class="comment"> //! Recursive DPLL algorithm used by checkValid</span>
<a name="l00060"></a>00060 <span class="comment"></span> <a class="code" href="namespaceCVC3.html#a060d21b3207cc3471e24f8dbcff3498b">QueryResult</a> <a class="code" href="group__SE__Simple.html#ga419ec575e6d5efc40222b50ee9448bae" title="Recursive DPLL algorithm used by checkValid.">checkValidRec</a>(<a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& thm);<span class="comment"></span>
<a name="l00061"></a>00061 <span class="comment"> //! Private helper function for checkValid and restart</span>
<a name="l00062"></a>00062 <span class="comment"></span> <a class="code" href="namespaceCVC3.html#a060d21b3207cc3471e24f8dbcff3498b">QueryResult</a> <a class="code" href="group__SE__Simple.html#ga8f4845fe98fd0da613062d118335192a" title="Private helper function for checkValid and restart.">checkValidMain</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Expr.html" title="Data structure of expressions in CVC3.">Expr</a>& e2);
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <span class="keyword">public</span>:<span class="comment"></span>
<a name="l00065"></a>00065 <span class="comment"> //! Constructor</span>
<a name="l00066"></a>00066 <span class="comment"></span> <a class="code" href="group__SE__Simple.html#gad315bc80781ed5344d2803a28587b504" title="Constructor.">SearchSimple</a>(<a class="code" href="classCVC3_1_1TheoryCore.html" title="This theory handles the built-in logical connectives plus equality. It also handles the registration ...">TheoryCore</a>* core);<span class="comment"></span>
<a name="l00067"></a>00067 <span class="comment"> //! Destructor</span>
<a name="l00068"></a>00068 <span class="comment"></span> <a class="code" href="group__SE__Simple.html#gaf145d5394c5d9a598ea05e40628e6807" title="Destructor.">~SearchSimple</a>();
<a name="l00069"></a>00069
<a name="l00070"></a>00070 <span class="comment">// Implementation of virtual SearchEngine methods</span>
<a name="l00071"></a><a class="code" href="group__SE__Simple.html#ga3785ec3f6b938d4a60efac0948587d57">00071</a> <span class="keyword">const</span> std::string& <a class="code" href="group__SE__Simple.html#ga3785ec3f6b938d4a60efac0948587d57" title="Name of this search engine.">getName</a>() { <span class="keywordflow">return</span> <a class="code" href="group__SE__Simple.html#ga387b080605ddbd0b7a124ff3fe44d645" title="Name.">d_name</a>; }
<a name="l00072"></a>00072 <a class="code" href="namespaceCVC3.html#a060d21b3207cc3471e24f8dbcff3498b">QueryResult</a> <a class="code" href="group__SE__Simple.html#ga7a84d46236fb724f3057702c1fb9e073" title="Checks the validity of a formula in the current context.">checkValidInternal</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 name="l00073"></a>00073 <a class="code" href="namespaceCVC3.html#a060d21b3207cc3471e24f8dbcff3498b">QueryResult</a> <a class="code" href="group__SE__Simple.html#ga29f819e266d4821ae874f69da080247c" title="Reruns last check with e as an additional assumption.">restartInternal</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 name="l00074"></a><a class="code" href="group__SE__Simple.html#gab6bfda32dfb4b7d9176ace21c7ca404e">00074</a> <span class="keywordtype">void</span> <a class="code" href="group__SE__Simple.html#gab6bfda32dfb4b7d9176ace21c7ca404e" title="Notify the search engine about a new literal fact.">addLiteralFact</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& thm) {}
<a name="l00075"></a>00075 <span class="keywordtype">void</span> <a class="code" href="group__SE__Simple.html#gadf91beae0add624c57c6481ab23147f8" title="Notify the search engine about a new non-literal fact.">addNonLiteralFact</a>(<span class="keyword">const</span> <a class="code" href="classCVC3_1_1Theorem.html">Theorem</a>& thm);
<a name="l00076"></a>00076 <span class="comment"></span>
<a name="l00077"></a>00077 <span class="comment"> /*! @} */</span> <span class="comment">// end addtogroup SE_Simple</span>
<a name="l00078"></a>00078 };
<a name="l00079"></a>00079
<a name="l00080"></a>00080 }
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="preprocessor">#endif</span>
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