src/selection/SelectionEvaluator.cpp

/*
 * 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.
 */

#include <stack>
#include "selection/SelectionEvaluator.hpp"
#include "primitives/Atom.hpp"
#include "primitives/DirectionalAtom.hpp"
#include "primitives/RigidBody.hpp"
#include "primitives/Molecule.hpp"

namespace oopse {


SelectionEvaluator::SelectionEvaluator(SimInfo* si) 
    : info(si), nameFinder(info), distanceFinder(info), indexFinder(info), isLoaded_(false){
    
    nStuntDouble = info->getNGlobalAtoms() + info->getNRigidBodies();
}            

bool SelectionEvaluator::loadScript(const std::string& filename, const std::string& script) {
    clearDefinitionsAndLoadPredefined();
    this->filename = filename;
    this->script = script;
    if (! compiler.compile(filename, script)) {
        error = true;
        errorMessage = compiler.getErrorMessage();
        std::cerr << "SelectionCompiler Error: " << errorMessage << std::endl;
        return false;
    }

    pc = 0;
    aatoken = compiler.getAatokenCompiled();
    linenumbers = compiler.getLineNumbers();
    lineIndices = compiler.getLineIndices();

    std::vector<std::vector<Token> >::const_iterator i;   

    isDynamic_ = false;
    for (i = aatoken.begin(); i != aatoken.end(); ++i) {
        if (containDynamicToken(*i)) {
            isDynamic_ = true;
            break;
        }
    }

    isLoaded_ = true;
    return true;
}

void SelectionEvaluator::clearState() {
    //for (int i = scriptLevelMax; --i >= 0; )
    //    stack[i].clear();
    //scriptLevel = 0;
    error = false;
    errorMessage = "";
}

bool SelectionEvaluator::loadScriptString(const std::string& script) {
    clearState();
    return loadScript("", script);
}

bool SelectionEvaluator::loadScriptFile(const std::string& filename) {
    clearState();
    return loadScriptFileInternal(filename);
}

bool SelectionEvaluator::loadScriptFileInternal(const  std::string & filename) {
  std::ifstream ifs(filename.c_str());
    if (!ifs.is_open()) {
        return false;
    }

    const int bufferSize = 65535;
    char buffer[bufferSize];
    std::string script;
    while(ifs.getline(buffer, bufferSize)) {
        script += buffer;
    }
    return loadScript(filename, script);
}

void SelectionEvaluator::instructionDispatchLoop(BitSet& bs){
    
    while ( pc < aatoken.size()) {
        statement = aatoken[pc++];
        statementLength = statement.size();
        Token token = statement[0];
        switch (token.tok) {
            case Token::define:
                define();
            break;
            case Token::select:
                select(bs);
            break;
            default:
                unrecognizedCommand(token);
            return;
        }
    }

}

  BitSet SelectionEvaluator::expression(const std::vector<Token>& code, int pcStart) {
    BitSet bs;
    std::stack<BitSet> stack;
    
    for (int pc = pcStart; pc < code.size(); ++pc) {
      Token instruction = code[pc];

      switch (instruction.tok) {
      case Token::expressionBegin:
        break;
      case Token::expressionEnd:
        break;
      case Token::all:
        bs = BitSet(nStuntDouble);
        bs.setAll();
        stack.push(bs);            
        break;
      case Token::none:
        bs = BitSet(nStuntDouble);
        stack.push(bs);            
        break;
      case Token::opOr:
        bs = stack.top();
        stack.pop();
        stack.top() |= bs;
        break;
      case Token::opAnd:
        bs = stack.top();
        stack.pop();
        stack.top() &= bs;
        break;
      case Token::opNot:
        stack.top().flip();
        break;
      case Token::within:

        withinInstruction(instruction, stack.top());
        break;
      //case Token::selected:
      //  stack.push(getSelectionSet());
      //  break;
      case Token::name:
        stack.push(nameInstruction(boost::any_cast<std::string>(instruction.value)));
        break;
      case Token::index:
        stack.push(indexInstruction(instruction.value));
        break;
      case Token::identifier:
        stack.push(lookupValue(boost::any_cast<std::string>(instruction.value)));
        break;
      case Token::opLT:
      case Token::opLE:
      case Token::opGE:
      case Token::opGT:
      case Token::opEQ:
      case Token::opNE:
        stack.push(comparatorInstruction(instruction));
        break;
      default:
        unrecognizedExpression();
      }
    }
    if (stack.size() != 1)
      evalError("atom expression compiler error - stack over/underflow");
          
    return stack.top();
  }


BitSet SelectionEvaluator::comparatorInstruction(const Token& instruction) {
    int comparator = instruction.tok;
    int property = instruction.intValue;
    float comparisonValue = boost::any_cast<float>(instruction.value);
    float propertyValue;
    BitSet bs(nStuntDouble);
    bs.clearAll();
    
    SimInfo::MoleculeIterator mi;
    Molecule* mol;
    Molecule::AtomIterator ai;
    Atom* atom;
    Molecule::RigidBodyIterator rbIter;
    RigidBody* rb;
    
    for (mol = info->beginMolecule(mi); mol != NULL; mol = info->nextMolecule(mi)) {

        for(atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
            compareProperty(atom, bs, property, comparator, comparisonValue);
        }
        
        //change the positions of atoms which belong to the rigidbodies
        for (rb = mol->beginRigidBody(rbIter); rb != NULL; rb = mol->nextRigidBody(rbIter)) {
            compareProperty(rb, bs, property, comparator, comparisonValue);
        }        
    }

    return bs;
}

void SelectionEvaluator::compareProperty(StuntDouble* sd, BitSet& bs, int property, int comparator, float comparisonValue) {
        double propertyValue;
        switch (property) {
        case Token::mass:
            propertyValue = sd->getMass();
            break;
        case Token::charge:
            return;
            //break;
        case Token::dipole:
            return;
            //break; 
        default:
            unrecognizedAtomProperty(property);
        }
        
        bool match = false;
        switch (comparator) {
            case Token::opLT:
                match = propertyValue < comparisonValue;
                break;
            case Token::opLE:
                match = propertyValue <= comparisonValue;
                break;
            case Token::opGE:
                match = propertyValue >= comparisonValue;
                break;
            case Token::opGT:
                match = propertyValue > comparisonValue;
                break;
            case Token::opEQ:
                match = propertyValue == comparisonValue;
                break;
            case Token::opNE:
                match = propertyValue != comparisonValue;
                break;
        }
        if (match)
            bs.setBitOn(sd->getGlobalIndex());

}

void SelectionEvaluator::withinInstruction(const Token& instruction, BitSet& bs){
    
    boost::any withinSpec = instruction.value;
    float distance;
    if (withinSpec.type() == typeid(float)){
        distance = boost::any_cast<float>(withinSpec);
    } else if (withinSpec.type() == typeid(int)) {
        distance = boost::any_cast<int>(withinSpec);    
    } else {
        evalError("casting error in withinInstruction");
        bs.clearAll();
    }
    
    bs = distanceFinder.find(bs, distance);            
}

void SelectionEvaluator::define() {
    assert(statement.size() >= 3);

    std::string variable = boost::any_cast<std::string>(statement[1].value);

    variables.insert(VariablesType::value_type(variable, expression(statement, 2)));
}


/** @todo */
void SelectionEvaluator::predefine(const std::string& script) {

    if (compiler.compile("#predefine", script)) {
        std::vector<std::vector<Token> > aatoken = compiler.getAatokenCompiled();
        if (aatoken.size() != 1) {
            evalError("predefinition does not have exactly 1 command:"
                + script);
            return;
        }
        std::vector<Token> statement = aatoken[0];
        if (statement.size() > 2) {
            int tok = statement[1].tok;
            if (tok == Token::identifier || (tok & Token::predefinedset) == Token::predefinedset) {
                std::string variable = boost::any_cast<std::string>(statement[1].value);
                variables.insert(VariablesType::value_type(variable, statement));

            } else {
                evalError("invalid variable name:" + script);
            }
        }else {
            evalError("bad predefinition length:" + script);
        }

        
    } else {
        evalError("predefined set compile error:" + script +
          "\ncompile error:" + compiler.getErrorMessage());
    }

}

void SelectionEvaluator::select(BitSet& bs){
    bs = expression(statement, 1);
}

BitSet SelectionEvaluator::lookupValue(const std::string& variable){

    BitSet bs(nStuntDouble);
    std::map<std::string, boost::any>::iterator i = variables.find(variable);
    
    if (i != variables.end()) {
        if (i->second.type() == typeid(BitSet)) {
            return boost::any_cast<BitSet>(i->second);
        } else if (i->second.type() ==  typeid(std::vector<Token>)){
            bs = expression(boost::any_cast<std::vector<Token> >(i->second), 2);
            i->second =  bs; /**@todo fixme */
            return bs;
        }
    } else {
        unrecognizedIdentifier(variable);
    }

    return bs;
}

BitSet SelectionEvaluator::nameInstruction(const std::string& name){
    
    return nameFinder.match(name);

}    

bool SelectionEvaluator::containDynamicToken(const std::vector<Token>& tokens){
    std::vector<Token>::const_iterator i;
    for (i = tokens.begin(); i != tokens.end(); ++i) {
        if (i->tok & Token::dynamic) {
            return true;
        }
    }

    return false;
}    

void SelectionEvaluator::clearDefinitionsAndLoadPredefined() {
    variables.clear();
    //load predefine
    //predefine();
}

BitSet SelectionEvaluator::evaluate() {
    BitSet bs(nStuntDouble);
    if (isLoaded_) {
        pc = 0;
        instructionDispatchLoop(bs);
    }

    return bs;
}

BitSet SelectionEvaluator::indexInstruction(const boost::any& value) {
    BitSet bs(nStuntDouble);

    if (value.type() == typeid(int)) {
        int index = boost::any_cast<int>(value);
        if (index < 0 || index >= bs.size()) {
            invalidIndex(index);
        } else {
            bs = indexFinder.find(index);
        }
    } else if (value.type() == typeid(std::pair<int, int>)) {
        std::pair<int, int> indexRange= boost::any_cast<std::pair<int, int> >(value);
        assert(indexRange.first <= indexRange.second);
        if (indexRange.first < 0 || indexRange.second >= bs.size()) {
            invalidIndexRange(indexRange);
        }else {
            bs = indexFinder.find(indexRange.first, indexRange.second);
        }
    }

    return bs;
}

}
Revision:	2099
Committed:	Wed Mar 9 18:46:16 2005 UTC (19 years, 4 months ago) by tim
File size:	12955 byte(s)
Log Message:	fix compilation issue
#	User	Rev	Content
1	tim	1961	/*
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	tim	1967	#include <stack>
43	tim	1961	#include "selection/SelectionEvaluator.hpp"
44	tim	1967	#include "primitives/Atom.hpp"
45			#include "primitives/DirectionalAtom.hpp"
46			#include "primitives/RigidBody.hpp"
47			#include "primitives/Molecule.hpp"
48
49	tim	1961	namespace oopse {
50
51
52	tim	2097	SelectionEvaluator::SelectionEvaluator(SimInfo* si)
53			: info(si), nameFinder(info), distanceFinder(info), indexFinder(info), isLoaded_(false){
54
55	tim	1979	nStuntDouble = info->getNGlobalAtoms() + info->getNRigidBodies();
56	tim	1967	}
57
58	tim	1962	bool SelectionEvaluator::loadScript(const std::string& filename, const std::string& script) {
59	tim	1972	clearDefinitionsAndLoadPredefined();
60	tim	1962	this->filename = filename;
61			this->script = script;
62			if (! compiler.compile(filename, script)) {
63			error = true;
64			errorMessage = compiler.getErrorMessage();
65	tim	1972	std::cerr << "SelectionCompiler Error: " << errorMessage << std::endl;
66	tim	1962	return false;
67			}
68
69			pc = 0;
70			aatoken = compiler.getAatokenCompiled();
71			linenumbers = compiler.getLineNumbers();
72			lineIndices = compiler.getLineIndices();
73	tim	1972
74			std::vector<std::vector<Token> >::const_iterator i;
75
76			isDynamic_ = false;
77			for (i = aatoken.begin(); i != aatoken.end(); ++i) {
78			if (containDynamicToken(*i)) {
79			isDynamic_ = true;
80			break;
81			}
82			}
83
84			isLoaded_ = true;
85	tim	1962	return true;
86	tim	1961	}
87	tim	1962
88			void SelectionEvaluator::clearState() {
89	tim	1972	//for (int i = scriptLevelMax; --i >= 0; )
90			// stack[i].clear();
91			//scriptLevel = 0;
92	tim	1962	error = false;
93	tim	1965	errorMessage = "";
94	tim	1962	}
95
96			bool SelectionEvaluator::loadScriptString(const std::string& script) {
97			clearState();
98	tim	1965	return loadScript("", script);
99	tim	1962	}
100
101			bool SelectionEvaluator::loadScriptFile(const std::string& filename) {
102			clearState();
103			return loadScriptFileInternal(filename);
104			}
105
106	tim	1967	bool SelectionEvaluator::loadScriptFileInternal(const std::string & filename) {
107	chrisfen	1985	std::ifstream ifs(filename.c_str());
108	tim	1972	if (!ifs.is_open()) {
109			return false;
110			}
111
112			const int bufferSize = 65535;
113			char buffer[bufferSize];
114			std::string script;
115			while(ifs.getline(buffer, bufferSize)) {
116			script += buffer;
117			}
118			return loadScript(filename, script);
119	tim	1966	}
120
121	tim	1972	void SelectionEvaluator::instructionDispatchLoop(BitSet& bs){
122
123	tim	1965	while ( pc < aatoken.size()) {
124	tim	1962	statement = aatoken[pc++];
125	tim	1965	statementLength = statement.size();
126	tim	1962	Token token = statement[0];
127			switch (token.tok) {
128	tim	1965	case Token::define:
129	tim	1962	define();
130			break;
131	tim	1965	case Token::select:
132	tim	1972	select(bs);
133	tim	1962	break;
134			default:
135			unrecognizedCommand(token);
136			return;
137			}
138			}
139	tim	1972
140	tim	1962	}
141
142	tim	1967	BitSet SelectionEvaluator::expression(const std::vector<Token>& code, int pcStart) {
143	tim	1962	BitSet bs;
144	tim	1967	std::stack<BitSet> stack;
145
146	tim	1972	for (int pc = pcStart; pc < code.size(); ++pc) {
147	tim	1962	Token instruction = code[pc];
148	tim	1966
149	tim	1962	switch (instruction.tok) {
150	tim	1965	case Token::expressionBegin:
151	tim	1962	break;
152	tim	1965	case Token::expressionEnd:
153	tim	1966	break;
154	tim	1965	case Token::all:
155	tim	1967	bs = BitSet(nStuntDouble);
156			bs.setAll();
157			stack.push(bs);
158	tim	1962	break;
159	tim	1965	case Token::none:
160	tim	1967	bs = BitSet(nStuntDouble);
161			stack.push(bs);
162	tim	1962	break;
163	tim	1965	case Token::opOr:
164	tim	1967	bs = stack.top();
165			stack.pop();
166			stack.top() \|= bs;
167	tim	1962	break;
168	tim	1965	case Token::opAnd:
169	tim	1967	bs = stack.top();
170			stack.pop();
171			stack.top() &= bs;
172	tim	1962	break;
173	tim	1965	case Token::opNot:
174	tim	1967	stack.top().flip();
175	tim	1962	break;
176	tim	1965	case Token::within:
177	tim	1967
178			withinInstruction(instruction, stack.top());
179	tim	1962	break;
180	tim	1967	//case Token::selected:
181			// stack.push(getSelectionSet());
182			// break;
183	tim	1965	case Token::name:
184	tim	1967	stack.push(nameInstruction(boost::any_cast<std::string>(instruction.value)));
185	tim	1962	break;
186	tim	1979	case Token::index:
187			stack.push(indexInstruction(instruction.value));
188	tim	1965	break;
189			case Token::identifier:
190	tim	1967	stack.push(lookupValue(boost::any_cast<std::string>(instruction.value)));
191	tim	1965	break;
192			case Token::opLT:
193			case Token::opLE:
194			case Token::opGE:
195			case Token::opGT:
196			case Token::opEQ:
197			case Token::opNE:
198	tim	1967	stack.push(comparatorInstruction(instruction));
199	tim	1962	break;
200			default:
201			unrecognizedExpression();
202			}
203			}
204	tim	1967	if (stack.size() != 1)
205	tim	1962	evalError("atom expression compiler error - stack over/underflow");
206	tim	1967
207			return stack.top();
208	tim	1962	}
209
210
211
212	tim	1967	BitSet SelectionEvaluator::comparatorInstruction(const Token& instruction) {
213	tim	1962	int comparator = instruction.tok;
214			int property = instruction.intValue;
215	tim	1967	float comparisonValue = boost::any_cast<float>(instruction.value);
216			float propertyValue;
217			BitSet bs(nStuntDouble);
218	tim	1979	bs.clearAll();
219	tim	1967
220			SimInfo::MoleculeIterator mi;
221			Molecule* mol;
222			Molecule::AtomIterator ai;
223			Atom* atom;
224			Molecule::RigidBodyIterator rbIter;
225			RigidBody* rb;
226
227			for (mol = info->beginMolecule(mi); mol != NULL; mol = info->nextMolecule(mi)) {
228	tim	1965
229	tim	1967	for(atom = mol->beginAtom(ai); atom != NULL; atom = mol->nextAtom(ai)) {
230			compareProperty(atom, bs, property, comparator, comparisonValue);
231			}
232
233			//change the positions of atoms which belong to the rigidbodies
234			for (rb = mol->beginRigidBody(rbIter); rb != NULL; rb = mol->nextRigidBody(rbIter)) {
235			compareProperty(rb, bs, property, comparator, comparisonValue);
236			}
237	tim	1962	}
238
239	tim	1967	return bs;
240			}
241	tim	1962
242	tim	1967	void SelectionEvaluator::compareProperty(StuntDouble* sd, BitSet& bs, int property, int comparator, float comparisonValue) {
243			double propertyValue;
244			switch (property) {
245			case Token::mass:
246			propertyValue = sd->getMass();
247			break;
248			case Token::charge:
249			return;
250			//break;
251			case Token::dipole:
252			return;
253			//break;
254			default:
255			unrecognizedAtomProperty(property);
256			}
257
258			bool match = false;
259			switch (comparator) {
260			case Token::opLT:
261			match = propertyValue < comparisonValue;
262			break;
263			case Token::opLE:
264			match = propertyValue <= comparisonValue;
265			break;
266			case Token::opGE:
267			match = propertyValue >= comparisonValue;
268			break;
269			case Token::opGT:
270			match = propertyValue > comparisonValue;
271			break;
272			case Token::opEQ:
273			match = propertyValue == comparisonValue;
274			break;
275			case Token::opNE:
276			match = propertyValue != comparisonValue;
277			break;
278			}
279			if (match)
280			bs.setBitOn(sd->getGlobalIndex());
281
282			}
283
284			void SelectionEvaluator::withinInstruction(const Token& instruction, BitSet& bs){
285	tim	1979
286	tim	1965	boost::any withinSpec = instruction.value;
287	tim	1979	float distance;
288	tim	1966	if (withinSpec.type() == typeid(float)){
289	tim	1979	distance = boost::any_cast<float>(withinSpec);
290			} else if (withinSpec.type() == typeid(int)) {
291			distance = boost::any_cast<int>(withinSpec);
292			} else {
293			evalError("casting error in withinInstruction");
294			bs.clearAll();
295	tim	1962	}
296	tim	1966
297	tim	1979	bs = distanceFinder.find(bs, distance);
298	tim	1962	}
299
300	tim	1967	void SelectionEvaluator::define() {
301	tim	1966	assert(statement.size() >= 3);
302
303			std::string variable = boost::any_cast<std::string>(statement[1].value);
304	tim	1967
305	tim	2035	variables.insert(VariablesType::value_type(variable, expression(statement, 2)));
306	tim	1962	}
307
308	tim	1967
309	tim	1966	/** @todo */
310			void SelectionEvaluator::predefine(const std::string& script) {
311	tim	1962
312	tim	1966	if (compiler.compile("#predefine", script)) {
313			std::vector<std::vector<Token> > aatoken = compiler.getAatokenCompiled();
314			if (aatoken.size() != 1) {
315			evalError("predefinition does not have exactly 1 command:"
316			+ script);
317			return;
318			}
319			std::vector<Token> statement = aatoken[0];
320			if (statement.size() > 2) {
321			int tok = statement[1].tok;
322			if (tok == Token::identifier \|\| (tok & Token::predefinedset) == Token::predefinedset) {
323	tim	1967	std::string variable = boost::any_cast<std::string>(statement[1].value);
324	tim	2034	variables.insert(VariablesType::value_type(variable, statement));
325	tim	1966
326			} else {
327			evalError("invalid variable name:" + script);
328			}
329			}else {
330			evalError("bad predefinition length:" + script);
331			}
332
333
334			} else {
335			evalError("predefined set compile error:" + script +
336			"\ncompile error:" + compiler.getErrorMessage());
337			}
338
339			}
340
341	tim	1972	void SelectionEvaluator::select(BitSet& bs){
342			bs = expression(statement, 1);
343	tim	1966	}
344
345			BitSet SelectionEvaluator::lookupValue(const std::string& variable){
346
347	tim	1979	BitSet bs(nStuntDouble);
348	tim	1966	std::map<std::string, boost::any>::iterator i = variables.find(variable);
349	tim	1979
350	tim	1966	if (i != variables.end()) {
351			if (i->second.type() == typeid(BitSet)) {
352			return boost::any_cast<BitSet>(i->second);
353			} else if (i->second.type() == typeid(std::vector<Token>)){
354	tim	1979	bs = expression(boost::any_cast<std::vector<Token> >(i->second), 2);
355	tim	1966	i->second = bs; /*@todo fixme /
356			return bs;
357			}
358	tim	1967	} else {
359			unrecognizedIdentifier(variable);
360	tim	1966	}
361	tim	1979
362			return bs;
363	tim	1966	}
364
365	tim	1967	BitSet SelectionEvaluator::nameInstruction(const std::string& name){
366
367	tim	1979	return nameFinder.match(name);
368	tim	1972
369	tim	1967	}
370
371	tim	1972	bool SelectionEvaluator::containDynamicToken(const std::vector<Token>& tokens){
372			std::vector<Token>::const_iterator i;
373			for (i = tokens.begin(); i != tokens.end(); ++i) {
374			if (i->tok & Token::dynamic) {
375			return true;
376			}
377			}
378	tim	1967
379	tim	1972	return false;
380			}
381
382			void SelectionEvaluator::clearDefinitionsAndLoadPredefined() {
383			variables.clear();
384			//load predefine
385			//predefine();
386	tim	1966	}
387	tim	1972
388			BitSet SelectionEvaluator::evaluate() {
389			BitSet bs(nStuntDouble);
390			if (isLoaded_) {
391	tim	1982	pc = 0;
392	tim	1972	instructionDispatchLoop(bs);
393			}
394
395			return bs;
396			}
397	tim	1979
398			BitSet SelectionEvaluator::indexInstruction(const boost::any& value) {
399			BitSet bs(nStuntDouble);
400
401			if (value.type() == typeid(int)) {
402			int index = boost::any_cast<int>(value);
403			if (index < 0 \|\| index >= bs.size()) {
404			invalidIndex(index);
405			} else {
406	tim	2099	bs = indexFinder.find(index);
407	tim	1979	}
408			} else if (value.type() == typeid(std::pair<int, int>)) {
409			std::pair<int, int> indexRange= boost::any_cast<std::pair<int, int> >(value);
410			assert(indexRange.first <= indexRange.second);
411			if (indexRange.first < 0 \|\| indexRange.second >= bs.size()) {
412			invalidIndexRange(indexRange);
413			}else {
414	tim	2099	bs = indexFinder.find(indexRange.first, indexRange.second);
415	tim	1979	}
416			}
417
418			return bs;
419			}
420
421	tim	1972	}