| 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, 234107 (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 "selection/SelectionSet.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 | SelectionSet evaluate(); | 
| 77 | SelectionSet 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 | bool hasSurfaceArea() { return hasSurfaceArea_; } | 
| 109 | RealType getSurfaceArea() { | 
| 110 | if (hasSurfaceArea_) { | 
| 111 | return surfaceArea_; | 
| 112 | } else { | 
| 113 | sprintf( painCave.errMsg, | 
| 114 | "SelectionEvaluator Error: %s\n", "No Surface Area For You!"); | 
| 115 | painCave.severity = OPENMD_ERROR; | 
| 116 | painCave.isFatal = 1; | 
| 117 | simError(); | 
| 118 | return 0.0; | 
| 119 | } | 
| 120 | } | 
| 121 |  | 
| 122 |  | 
| 123 | private: | 
| 124 |  | 
| 125 | void clearState(); | 
| 126 |  | 
| 127 | bool loadScript(const std::string& filename, const std::string& script); | 
| 128 |  | 
| 129 | bool loadScriptFileInternal(const std::string& filename); | 
| 130 |  | 
| 131 | SelectionSet createSelectionSets(); | 
| 132 | void clearDefinitionsAndLoadPredefined(); | 
| 133 |  | 
| 134 | void define(); | 
| 135 | void select(SelectionSet& bs); | 
| 136 | void select(SelectionSet& bs, int frame); | 
| 137 | void predefine(const std::string& script); | 
| 138 |  | 
| 139 | void instructionDispatchLoop(SelectionSet& bs); | 
| 140 | void instructionDispatchLoop(SelectionSet& bs, int frame); | 
| 141 |  | 
| 142 | void withinInstruction(const Token& instruction, SelectionSet& bs); | 
| 143 | void withinInstruction(const Token& instruction, SelectionSet& bs, int frame); | 
| 144 | SelectionSet allInstruction(); | 
| 145 |  | 
| 146 | SelectionSet comparatorInstruction(const Token& instruction); | 
| 147 | SelectionSet comparatorInstruction(const Token& instruction, int frame); | 
| 148 | void compareProperty(StuntDouble* sd, SelectionSet& bs, int property, int comparator, float comparisonValue); | 
| 149 | void compareProperty(StuntDouble* sd, SelectionSet& bs, int property, int comparator, float comparisonValue, int frame); | 
| 150 | void compareProperty(Molecule* mol, SelectionSet& bs, int property, int comparator, float comparisonValue); | 
| 151 | void compareProperty(Molecule* mol, SelectionSet& bs, int property, int comparator, float comparisonValue, int frame); | 
| 152 | SelectionSet nameInstruction(const std::string& name); | 
| 153 | SelectionSet indexInstruction(const boost::any& value); | 
| 154 | SelectionSet expression(const std::vector<Token>& tokens, int pc); | 
| 155 | SelectionSet expression(const std::vector<Token>& tokens, int pc, int frame); | 
| 156 |  | 
| 157 | SelectionSet lookupValue(const std::string& variable); | 
| 158 |  | 
| 159 | SelectionSet hull(); | 
| 160 | SelectionSet hull(int frame); | 
| 161 |  | 
| 162 | void evalError(const std::string& message) { | 
| 163 | sprintf( painCave.errMsg, | 
| 164 | "SelectionEvaluator Error: %s\n", message.c_str()); | 
| 165 | painCave.severity = OPENMD_ERROR; | 
| 166 | painCave.isFatal = 1; | 
| 167 | simError(); | 
| 168 | } | 
| 169 |  | 
| 170 | void unrecognizedCommand(const Token& token) { | 
| 171 | evalError("unrecognized command:" + boost::any_cast<std::string>(token.value)); | 
| 172 | } | 
| 173 |  | 
| 174 | void unrecognizedExpression() { | 
| 175 | evalError("unrecognized expression"); | 
| 176 | } | 
| 177 |  | 
| 178 | void unrecognizedAtomProperty(int property){ | 
| 179 | evalError("unrecognized atom property"); | 
| 180 | } | 
| 181 |  | 
| 182 | void unrecognizedMoleculeProperty(int property){ | 
| 183 | evalError("unrecognized molecule property"); | 
| 184 | } | 
| 185 |  | 
| 186 | void unrecognizedIdentifier(const std::string& identifier) { | 
| 187 | evalError("unrecognized identifier:" + identifier); | 
| 188 | } | 
| 189 |  | 
| 190 | void invalidIndexRange(std::pair<int, int> range) { | 
| 191 | evalError("invalid index range: [" + toString(range.first) + ", " + toString(range.second) + ")"); | 
| 192 | } | 
| 193 |  | 
| 194 | void invalidIndex(int index) { | 
| 195 | evalError("invalid index : " + toString(index) ); | 
| 196 | } | 
| 197 |  | 
| 198 |  | 
| 199 | bool containDynamicToken(const std::vector<Token>& tokens); | 
| 200 |  | 
| 201 | RealType getCharge(Atom* atom); | 
| 202 | RealType getCharge(Atom* atom, int frame); | 
| 203 |  | 
| 204 | SelectionCompiler compiler; | 
| 205 |  | 
| 206 | //const static int scriptLevelMax = 10; | 
| 207 | //int scriptLevel; | 
| 208 |  | 
| 209 | //Context stack[scriptLevelMax]; | 
| 210 |  | 
| 211 | std::string filename; | 
| 212 | std::string script; | 
| 213 | std::vector<int> linenumbers; | 
| 214 | std::vector<int> lineIndices; | 
| 215 | std::vector<std::vector<Token> > aatoken; | 
| 216 | unsigned int pc; // program counter | 
| 217 |  | 
| 218 | bool error; | 
| 219 | std::string errorMessage; | 
| 220 |  | 
| 221 | std::vector<Token> statement; | 
| 222 | int statementLength; | 
| 223 |  | 
| 224 | SimInfo* info; | 
| 225 | NameFinder nameFinder; | 
| 226 | DistanceFinder distanceFinder; | 
| 227 | HullFinder hullFinder; | 
| 228 | IndexFinder indexFinder; | 
| 229 | vector<int> nObjects; | 
| 230 |  | 
| 231 | typedef std::map<std::string, boost::any > VariablesType; | 
| 232 | VariablesType variables; | 
| 233 |  | 
| 234 | bool isDynamic_; | 
| 235 | bool isLoaded_; | 
| 236 | bool hasSurfaceArea_; | 
| 237 | RealType surfaceArea_; | 
| 238 |  | 
| 239 | }; | 
| 240 |  | 
| 241 | } | 
| 242 | #endif |