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/* |
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* Copyright (c) 2005 The University of Notre Dame. All Rights Reserved. |
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* |
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* The University of Notre Dame grants you ("Licensee") a |
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* non-exclusive, royalty free, license to use, modify and |
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* redistribute this software in source and binary code form, provided |
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* that the following conditions are met: |
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* |
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* 1. Acknowledgement of the program authors must be made in any |
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* publication of scientific results based in part on use of the |
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* program. An acceptable form of acknowledgement is citation of |
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* the article in which the program was described (Matthew |
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* A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher |
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* J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented |
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* Parallel Simulation Engine for Molecular Dynamics," |
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* J. Comput. Chem. 26, pp. 252-271 (2005)) |
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* |
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* 2. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 3. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the |
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* distribution. |
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* |
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* This software is provided "AS IS," without a warranty of any |
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* kind. All express or implied conditions, representations and |
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* warranties, including any implied warranty of merchantability, |
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* fitness for a particular purpose or non-infringement, are hereby |
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* excluded. The University of Notre Dame and its licensors shall not |
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* be liable for any damages suffered by licensee as a result of |
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* using, modifying or distributing the software or its |
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* derivatives. In no event will the University of Notre Dame or its |
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* licensors be liable for any lost revenue, profit or data, or for |
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* direct, indirect, special, consequential, incidental or punitive |
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* damages, however caused and regardless of the theory of liability, |
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* arising out of the use of or inability to use software, even if the |
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* University of Notre Dame has been advised of the possibility of |
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* such damages. |
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*/ |
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|
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#ifndef SELECTION_SELECTIONCOMPILER_HPP |
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#define SELECTION_SELECTIONCOMPILER_HPP |
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#include <string> |
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#include <vector> |
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namespace oopse { |
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|
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|
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/** |
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* @class SelectionCompiler SelectionCompiler.hpp "selection/SelectionCompiler.hpp" |
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* @brief compile a selection script to tokens |
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* @todo document |
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* <pre> |
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|
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expression :: = clauseOr |
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|
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clauseOr ::= clauseAnd {OR clauseAnd}* |
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|
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clauseAnd ::= clauseNot {AND clauseNot}* |
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|
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clauseNot ::= NOT clauseNot | clausePrimitive |
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|
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clausePrimitive ::= clauseComparator | |
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clauseWithin | |
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clauseChemObject | |
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none | all | |
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( clauseOr ) |
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|
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clauseComparator ::= atomproperty comparatorop integer |
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|
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clauseWithin ::= WITHIN ( clauseDistance , expression ) |
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|
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clauseDistance ::= integer | decimal |
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|
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clauseChemObject::= {clauseMolecule} | {clauseStuntDouble} |
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|
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clauseMolecule ::= {clauseMolName} | {clauseMolIndex} |
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|
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clauseMolName ::= molname clauseName |
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|
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clauseName::= *|string |
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|
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clauseMolIndex ::= molindex clauseIndex |
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|
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clauseIndex ::= integer {- integer } |
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|
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clauseStuntDouble ::= {clauseStuntDoubleName} | {clauseStuntDoubleIndex} |
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|
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clauseStuntDoubleName ::= name clauseName |
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|
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clauseStuntDoubleIndex ::= index clauseIndex |
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|
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* </pre> |
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*/ |
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class SelectionCompiler{ |
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public: |
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bool compile(const std::string& filename, const std::string& script ); |
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|
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|
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std::vector<int> getLineNumbers() { |
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return lineNumbers; |
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} |
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|
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std::vector<int> getLineIndices() { |
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return lineIndices; |
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} |
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|
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std::vector<std::vector<Token> > getAatokenCompiled() { |
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return aatokenCompiled; |
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} |
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|
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std::string getErrorMessage() { |
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std::string strError = errorMessage; |
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strError += " : " + errorLine + "\n"; |
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|
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if (!filename.empty()) { |
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strError += filename; |
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} |
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|
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strError += " line#" + lineCurrent; |
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return strError; |
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} |
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|
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|
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private: |
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|
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bool internalcompile(); |
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|
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|
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bool lookingAtLeadingWhitespace(); |
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bool lookingAtComment(); |
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bool lookingAtEndOfLine(); |
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bool lookingAtEndOfStatement(); |
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bool lookingAtString(); |
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|
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|
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bool compileCommand(const std::vector<vector>&); |
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|
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bool clauseOr(); |
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bool clauseAnd(); |
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bool clauseNot(); |
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bool clausePrimitive(); |
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bool clauseWithin(); |
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bool clauseComparator(); |
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bool clauseChemObject(); |
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bool clauseMolecule(); |
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bool clauseMolName(); |
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bool clauseMolIndex(); |
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bool clauseName(); |
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bool clauseIndex(); |
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bool clauseStuntDoubleName(); |
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bool clauseStuntDoubleIndex(); |
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|
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bool compileError(const std::string& errorMessage) { |
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std::cerr << "SelectionCompiler Error: " << errorMessage << << std::endl; |
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error = true; |
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this.errorMessage = errorMessage; |
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return false; |
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} |
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|
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bool commandExpected() { |
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return compileError("command expected"); |
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} |
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|
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bool invalidExpressionToken(const std::string& ident) { |
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return compileError("invalid expression token:" + ident); |
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} |
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|
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bool unrecognizedToken() { |
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return compileError("unrecognized token"); |
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} |
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|
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bool badArgumentCount() { |
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return compileError("bad argument count"); |
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} |
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|
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bool endOfExpressionExpected() { |
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return compileError("end of expression expected"); |
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} |
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|
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bool leftParenthesisExpected() { |
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return compileError("left parenthesis expected"); |
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} |
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|
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bool rightParenthesisExpected() { |
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return compileError("right parenthesis expected"); |
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} |
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|
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bool commaExpected() { |
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return compileError("comma expected"); |
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} |
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|
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bool unrecognizedExpressionToken() { |
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return compileError("unrecognized expression token:" + valuePeek()); |
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} |
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|
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bool comparisonOperatorExpected() { |
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return compileError("comparison operator expected"); |
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} |
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|
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bool integerExpected() { |
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return compileError("integer expected"); |
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} |
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|
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|
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std::string filename; |
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std::string script; |
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|
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std::vector<int> lineNumbers; |
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std::vector<int> lineIndices; |
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std::vector<std::vector<Token> >aatokenCompiled; |
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|
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bool error; |
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std::string errorMessage; |
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std::string errorLine; |
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|
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int cchScript; |
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short lineCurrent; |
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|
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int ichToken; |
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int cchToken; |
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std::vector<Token> atokenCommand; |
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|
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int ichCurrentCommand; |
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|
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std::vector<Token> ltokenPostfix; |
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std::vector<Token> atokenInfix; |
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int itokenInfix; |
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|
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//std::vector<Token> compiledTokens_; |
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}; |
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|
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} |
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#endif |
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|
