src/selection/SelectionEvaluator.hpp

/*
 * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
 *
 * The University of Notre Dame grants you ("Licensee") a
 * non-exclusive, royalty free, license to use, modify and
 * redistribute this software in source and binary code form, provided
 * that the following conditions are met:
 *
 * 1. Acknowledgement of the program authors must be made in any
 *    publication of scientific results based in part on use of the
 *    program.  An acceptable form of acknowledgement is citation of
 *    the article in which the program was described (Matthew
 *    A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
 *    J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
 *    Parallel Simulation Engine for Molecular Dynamics,"
 *    J. Comput. Chem. 26, pp. 252-271 (2005))
 *
 * 2. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 3. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the
 *    distribution.
 *
 * This software is provided "AS IS," without a warranty of any
 * kind. All express or implied conditions, representations and
 * warranties, including any implied warranty of merchantability,
 * fitness for a particular purpose or non-infringement, are hereby
 * excluded.  The University of Notre Dame and its licensors shall not
 * be liable for any damages suffered by licensee as a result of
 * using, modifying or distributing the software or its
 * derivatives. In no event will the University of Notre Dame or its
 * licensors be liable for any lost revenue, profit or data, or for
 * direct, indirect, special, consequential, incidental or punitive
 * damages, however caused and regardless of the theory of liability,
 * arising out of the use of or inability to use software, even if the
 * University of Notre Dame has been advised of the possibility of
 * such damages.
 */

#ifndef SELECTION_SELECTIONEVALUATOR_HPP
#define SELECTION_SELECTIONEVALUATOR_HPP

#include <map>
#include <string>
#include <vector>

#include "brains/SimInfo.hpp"
#include "selection/Token.hpp"
#include "selection/SelectionCompiler.hpp"
#include "selection/NameFinder.hpp"
#include "selection/DistanceFinder.hpp"
#include "utils/BitSet.hpp"
#include "primitives/StuntDouble.hpp"
#include "utils/StringUtils.hpp"
namespace oopse {


//class Context {
//    public:
//        
//        void clear() {
//            linenumbers.clear();
//            lineIndices.clear();
//            aatoken.clear();
//        }
//        
//        std::string filename;
//        std::string script;
//        std::vector<int> linenumbers;
//        std::vector<int> lineIndices;
//        std::vector<std::vector<Token> > aatoken;
//        int pc;
//};


/**
 * @class SelectionEvaluator SelectionEvaluator.hpp "selection/SelectionEvaluator"
 * @brief Evalute the tokens compiled by SelectionCompiler and return a BitSet
 */
class SelectionEvaluator{
    public:

        SelectionEvaluator(SimInfo* info);


        bool loadScriptString(const std::string& script);
        bool loadScriptFile(const std::string& filename);
        
        BitSet evaluate();
        
        //BitSet evaluate(Snapshot* snapshot);

        /**
         * Tests if the result from evaluation of script is dynamic.
         */         
        bool isDynamic() {
            return isDynamic_;
        }

        bool hadRuntimeError() const{
            return error;
        }

        std::string getErrorMessage() const {
            return errorMessage;
        }


        int getLinenumber() {
            return linenumbers[pc];
        }

        std::string getLine() {
            int ichBegin = lineIndices[pc];
            int ichEnd;
            if ((ichEnd = script.find('\r', ichBegin)) == std::string::npos &&
                (ichEnd = script.find('\n', ichBegin)) == std::string::npos) {
                ichEnd = script.size();
            }            
            return script.substr(ichBegin, ichEnd);
        }
  
    private:

        void clearState();
        
        bool loadScript(const std::string& filename, const std::string& script); 

        bool loadScriptFileInternal(const std::string& filename);


        void clearDefinitionsAndLoadPredefined();
         
        void define();
        void select(BitSet& bs);
        void predefine(const std::string& script);

        void instructionDispatchLoop(BitSet& bs);

        void withinInstruction(const Token& instruction, BitSet& bs);
        
        BitSet comparatorInstruction(const Token& instruction); 
        void compareProperty(StuntDouble* sd, BitSet& bs, int property, int comparator, float comparisonValue);
        BitSet nameInstruction(const std::string& name);
        BitSet indexInstruction(const boost::any& value);
        BitSet expression(const std::vector<Token>& tokens, int pc);

        BitSet lookupValue(const std::string& variable);
        
        void evalError(const std::string& message) {
            std::cerr << "SelectionEvaulator Error: " << message <<  std::endl; 
        }

        void unrecognizedCommand(const Token& token) {
            evalError("unrecognized command:" + boost::any_cast<std::string>(token.value));
        }        

        void unrecognizedExpression() {
            evalError("unrecognized expression");
        }

        void unrecognizedAtomProperty(int property){
            evalError("unrecognized atom property");
        }

        void unrecognizedIdentifier(const std::string& identifier) {
            evalError("unrecognized identifier:" + identifier);
        }    

        void invalidIndexRange(std::pair<int, int> range) {
            evalError("invalid index range: [" + toString(range.first) + ", " + toString(range.second) + ")");
        }

        void invalidIndex(int index) {
            evalError("invalid index : " + toString(index) );
        }

        
        bool containDynamicToken(const std::vector<Token>& tokens);
        
        SelectionCompiler compiler;

        //const static int scriptLevelMax = 10;
        //int scriptLevel;

        //Context stack[scriptLevelMax];

        std::string filename;
        std::string script;
        std::vector<int> linenumbers;
        std::vector<int> lineIndices;
        std::vector<std::vector<Token> > aatoken;
        int pc; // program counter

        bool error;
        std::string errorMessage;

        std::vector<Token> statement;
        int statementLength;

        SimInfo* info;
        NameFinder nameFinder;
        DistanceFinder distanceFinder;
        int nStuntDouble;   //natoms + nrigidbodies
        std::map<std::string, boost::any > variables;

        bool isDynamic_;
        bool isLoaded_;
        
};

}
#endif
Revision:	1979
Committed:	Mon Feb 7 19:13:18 2005 UTC (19 years, 4 months ago) by tim
File size:	6939 byte(s)
Log Message:	selection library is working
#	Content
1	/*
2	* Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
3	*
4	* The University of Notre Dame grants you ("Licensee") a
5	* non-exclusive, royalty free, license to use, modify and
6	* redistribute this software in source and binary code form, provided
7	* that the following conditions are met:
8	*
9	* 1. Acknowledgement of the program authors must be made in any
10	* publication of scientific results based in part on use of the
11	* program. An acceptable form of acknowledgement is citation of
12	* the article in which the program was described (Matthew
13	* A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
14	* J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
15	* Parallel Simulation Engine for Molecular Dynamics,"
16	* J. Comput. Chem. 26, pp. 252-271 (2005))
17	*
18	* 2. Redistributions of source code must retain the above copyright
19	* notice, this list of conditions and the following disclaimer.
20	*
21	* 3. Redistributions in binary form must reproduce the above copyright
22	* notice, this list of conditions and the following disclaimer in the
23	* documentation and/or other materials provided with the
24	* distribution.
25	*
26	* This software is provided "AS IS," without a warranty of any
27	* kind. All express or implied conditions, representations and
28	* warranties, including any implied warranty of merchantability,
29	* fitness for a particular purpose or non-infringement, are hereby
30	* excluded. The University of Notre Dame and its licensors shall not
31	* be liable for any damages suffered by licensee as a result of
32	* using, modifying or distributing the software or its
33	* derivatives. In no event will the University of Notre Dame or its
34	* licensors be liable for any lost revenue, profit or data, or for
35	* direct, indirect, special, consequential, incidental or punitive
36	* damages, however caused and regardless of the theory of liability,
37	* arising out of the use of or inability to use software, even if the
38	* University of Notre Dame has been advised of the possibility of
39	* such damages.
40	*/
41
42	#ifndef SELECTION_SELECTIONEVALUATOR_HPP
43	#define SELECTION_SELECTIONEVALUATOR_HPP
44
45	#include <map>
46	#include <string>
47	#include <vector>
48
49	#include "brains/SimInfo.hpp"
50	#include "selection/Token.hpp"
51	#include "selection/SelectionCompiler.hpp"
52	#include "selection/NameFinder.hpp"
53	#include "selection/DistanceFinder.hpp"
54	#include "utils/BitSet.hpp"
55	#include "primitives/StuntDouble.hpp"
56	#include "utils/StringUtils.hpp"
57	namespace oopse {
58
59
60	//class Context {
61	// public:
62	//
63	// void clear() {
64	// linenumbers.clear();
65	// lineIndices.clear();
66	// aatoken.clear();
67	// }
68	//
69	// std::string filename;
70	// std::string script;
71	// std::vector<int> linenumbers;
72	// std::vector<int> lineIndices;
73	// std::vector<std::vector<Token> > aatoken;
74	// int pc;
75	//};
76
77
78	/**
79	* @class SelectionEvaluator SelectionEvaluator.hpp "selection/SelectionEvaluator"
80	* @brief Evalute the tokens compiled by SelectionCompiler and return a BitSet
81	*/
82	class SelectionEvaluator{
83	public:
84
85	SelectionEvaluator(SimInfo* info);
86
87
88	bool loadScriptString(const std::string& script);
89	bool loadScriptFile(const std::string& filename);
90
91	BitSet evaluate();
92
93	//BitSet evaluate(Snapshot* snapshot);
94
95	/**
96	* Tests if the result from evaluation of script is dynamic.
97	*/
98	bool isDynamic() {
99	return isDynamic_;
100	}
101
102	bool hadRuntimeError() const{
103	return error;
104	}
105
106	std::string getErrorMessage() const {
107	return errorMessage;
108	}
109
110
111	int getLinenumber() {
112	return linenumbers[pc];
113	}
114
115	std::string getLine() {
116	int ichBegin = lineIndices[pc];
117	int ichEnd;
118	if ((ichEnd = script.find('\r', ichBegin)) == std::string::npos &&
119	(ichEnd = script.find('\n', ichBegin)) == std::string::npos) {
120	ichEnd = script.size();
121	}
122	return script.substr(ichBegin, ichEnd);
123	}
124
125	private:
126
127	void clearState();
128
129	bool loadScript(const std::string& filename, const std::string& script);
130
131	bool loadScriptFileInternal(const std::string& filename);
132
133
134	void clearDefinitionsAndLoadPredefined();
135
136	void define();
137	void select(BitSet& bs);
138	void predefine(const std::string& script);
139
140	void instructionDispatchLoop(BitSet& bs);
141
142	void withinInstruction(const Token& instruction, BitSet& bs);
143
144	BitSet comparatorInstruction(const Token& instruction);
145	void compareProperty(StuntDouble* sd, BitSet& bs, int property, int comparator, float comparisonValue);
146	BitSet nameInstruction(const std::string& name);
147	BitSet indexInstruction(const boost::any& value);
148	BitSet expression(const std::vector<Token>& tokens, int pc);
149
150	BitSet lookupValue(const std::string& variable);
151
152	void evalError(const std::string& message) {
153	std::cerr << "SelectionEvaulator Error: " << message << std::endl;
154	}
155
156	void unrecognizedCommand(const Token& token) {
157	evalError("unrecognized command:" + boost::any_cast<std::string>(token.value));
158	}
159
160	void unrecognizedExpression() {
161	evalError("unrecognized expression");
162	}
163
164	void unrecognizedAtomProperty(int property){
165	evalError("unrecognized atom property");
166	}
167
168	void unrecognizedIdentifier(const std::string& identifier) {
169	evalError("unrecognized identifier:" + identifier);
170	}
171
172	void invalidIndexRange(std::pair<int, int> range) {
173	evalError("invalid index range: [" + toString(range.first) + ", " + toString(range.second) + ")");
174	}
175
176	void invalidIndex(int index) {
177	evalError("invalid index : " + toString(index) );
178	}
179
180
181	bool containDynamicToken(const std::vector<Token>& tokens);
182
183	SelectionCompiler compiler;
184
185	//const static int scriptLevelMax = 10;
186	//int scriptLevel;
187
188	//Context stack[scriptLevelMax];
189
190	std::string filename;
191	std::string script;
192	std::vector<int> linenumbers;
193	std::vector<int> lineIndices;
194	std::vector<std::vector<Token> > aatoken;
195	int pc; // program counter
196
197	bool error;
198	std::string errorMessage;
199
200	std::vector<Token> statement;
201	int statementLength;
202
203	SimInfo* info;
204	NameFinder nameFinder;
205	DistanceFinder distanceFinder;
206	int nStuntDouble; //natoms + nrigidbodies
207	std::map<std::string, boost::any > variables;
208
209	bool isDynamic_;
210	bool isLoaded_;
211
212	};
213
214	}
215	#endif