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root/OpenMD/branches/development/src/selection/SelectionEvaluator.hpp
Revision: 1831
Committed: Thu Jan 10 14:06:34 2013 UTC (12 years, 3 months ago) by gezelter
File size: 7295 byte(s)
Log Message:
Merging trunk changes 1812:1830 into development branch.

File Contents

# 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. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the
15 * distribution.
16 *
17 * This software is provided "AS IS," without a warranty of any
18 * kind. All express or implied conditions, representations and
19 * warranties, including any implied warranty of merchantability,
20 * fitness for a particular purpose or non-infringement, are hereby
21 * excluded. The University of Notre Dame and its licensors shall not
22 * be liable for any damages suffered by licensee as a result of
23 * using, modifying or distributing the software or its
24 * derivatives. In no event will the University of Notre Dame or its
25 * licensors be liable for any lost revenue, profit or data, or for
26 * direct, indirect, special, consequential, incidental or punitive
27 * damages, however caused and regardless of the theory of liability,
28 * arising out of the use of or inability to use software, even if the
29 * University of Notre Dame has been advised of the possibility of
30 * such damages.
31 *
32 * SUPPORT OPEN SCIENCE! If you use OpenMD or its source code in your
33 * research, please cite the appropriate papers when you publish your
34 * work. Good starting points are:
35 *
36 * [1] Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).
37 * [2] Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).
38 * [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).
39 * [4] Kuang & Gezelter, J. Chem. Phys. 133, 164101 (2010).
40 * [5] Vardeman, Stocker & Gezelter, J. Chem. Theory Comput. 7, 834 (2011).
41 */
42
43 #ifndef SELECTION_SELECTIONEVALUATOR_HPP
44 #define SELECTION_SELECTIONEVALUATOR_HPP
45
46 #include <map>
47 #include <string>
48 #include <vector>
49 #include <fstream>
50
51 #include "brains/SimInfo.hpp"
52 #include "selection/SelectionToken.hpp"
53 #include "selection/SelectionCompiler.hpp"
54 #include "selection/NameFinder.hpp"
55 #include "selection/DistanceFinder.hpp"
56 #include "selection/HullFinder.hpp"
57 #include "selection/IndexFinder.hpp"
58 #include "utils/OpenMDBitSet.hpp"
59 #include "primitives/StuntDouble.hpp"
60 #include "utils/StringUtils.hpp"
61 namespace OpenMD {
62
63
64 /**
65 * @class SelectionEvaluator SelectionEvaluator.hpp "selection/SelectionEvaluator"
66 * @brief Evalute the tokens compiled by SelectionCompiler and return a OpenMDBitSet
67 */
68 class SelectionEvaluator{
69 public:
70
71 SelectionEvaluator(SimInfo* info);
72
73 bool loadScriptString(const std::string& script);
74 bool loadScriptFile(const std::string& filename);
75
76 OpenMDBitSet evaluate();
77 OpenMDBitSet evaluate(int frame);
78
79 /**
80 * Tests if the result from evaluation of script is dynamic.
81 */
82 bool isDynamic() {
83 return isDynamic_;
84 }
85
86 bool hadRuntimeError() const{
87 return error;
88 }
89
90 std::string getErrorMessage() const {
91 return errorMessage;
92 }
93
94
95 int getLinenumber() {
96 return linenumbers[pc];
97 }
98
99 std::string getLine() {
100 int ichBegin = lineIndices[pc];
101 int ichEnd;
102 if ((ichEnd = script.find('\r', ichBegin)) == std::string::npos &&
103 (ichEnd = script.find('\n', ichBegin)) == std::string::npos) {
104 ichEnd = script.size();
105 }
106 return script.substr(ichBegin, ichEnd);
107 }
108
109 private:
110
111 void clearState();
112
113 bool loadScript(const std::string& filename, const std::string& script);
114
115 bool loadScriptFileInternal(const std::string& filename);
116
117
118 void clearDefinitionsAndLoadPredefined();
119
120 void define();
121 void select(OpenMDBitSet& bs);
122 void select(OpenMDBitSet& bs, int frame);
123 void predefine(const std::string& script);
124
125 void instructionDispatchLoop(OpenMDBitSet& bs);
126 void instructionDispatchLoop(OpenMDBitSet& bs, int frame);
127
128 void withinInstruction(const Token& instruction, OpenMDBitSet& bs);
129 void withinInstruction(const Token& instruction, OpenMDBitSet& bs, int frame);
130 OpenMDBitSet allInstruction();
131
132 OpenMDBitSet comparatorInstruction(const Token& instruction);
133 OpenMDBitSet comparatorInstruction(const Token& instruction, int frame);
134 void compareProperty(StuntDouble* sd, OpenMDBitSet& bs, int property, int comparator, float comparisonValue);
135 void compareProperty(StuntDouble* sd, OpenMDBitSet& bs, int property, int comparator, float comparisonValue, int frame);
136 OpenMDBitSet nameInstruction(const std::string& name);
137 OpenMDBitSet indexInstruction(const boost::any& value);
138 OpenMDBitSet expression(const std::vector<Token>& tokens, int pc);
139 OpenMDBitSet expression(const std::vector<Token>& tokens, int pc, int frame);
140
141 OpenMDBitSet lookupValue(const std::string& variable);
142
143 OpenMDBitSet hull();
144 OpenMDBitSet hull(int frame);
145
146 void evalError(const std::string& message) {
147 sprintf( painCave.errMsg,
148 "SelectionEvaluator Error: %s\n", message.c_str());
149 painCave.severity = OPENMD_ERROR;
150 painCave.isFatal = 1;
151 simError();
152 }
153
154 void unrecognizedCommand(const Token& token) {
155 evalError("unrecognized command:" + boost::any_cast<std::string>(token.value));
156 }
157
158 void unrecognizedExpression() {
159 evalError("unrecognized expression");
160 }
161
162 void unrecognizedAtomProperty(int property){
163 evalError("unrecognized atom property");
164 }
165
166 void unrecognizedIdentifier(const std::string& identifier) {
167 evalError("unrecognized identifier:" + identifier);
168 }
169
170 void invalidIndexRange(std::pair<int, int> range) {
171 evalError("invalid index range: [" + toString(range.first) + ", " + toString(range.second) + ")");
172 }
173
174 void invalidIndex(int index) {
175 evalError("invalid index : " + toString(index) );
176 }
177
178
179 bool containDynamicToken(const std::vector<Token>& tokens);
180
181 RealType getCharge(Atom* atom);
182 RealType getCharge(Atom* atom, int frame);
183
184 SelectionCompiler compiler;
185
186 //const static int scriptLevelMax = 10;
187 //int scriptLevel;
188
189 //Context stack[scriptLevelMax];
190
191 std::string filename;
192 std::string script;
193 std::vector<int> linenumbers;
194 std::vector<int> lineIndices;
195 std::vector<std::vector<Token> > aatoken;
196 unsigned int pc; // program counter
197
198 bool error;
199 std::string errorMessage;
200
201 std::vector<Token> statement;
202 int statementLength;
203
204 SimInfo* info;
205 NameFinder nameFinder;
206 DistanceFinder distanceFinder;
207 HullFinder hullFinder;
208 IndexFinder indexFinder;
209 int nStuntDouble; //nGLOBALatoms + nGLOBALrigidbodies
210
211 typedef std::map<std::string, boost::any > VariablesType;
212 VariablesType variables;
213
214 bool isDynamic_;
215 bool isLoaded_;
216
217 };
218
219 }
220 #endif

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