Parser/lexer v0.7

EaseaParse.cpp

@@ -1987,7 +1987,7 @@ nNB_MIG=(int)yyattribute(2 - 2).dValue;
 #line 1241 "C:\\repo\\src\\EaseaParse.y"
 
       if (SymbolTable.find(yyattribute(1 - 1).pSymbol->sName)==NULL){
-         fprintf(stderr,"\n%s - Error line %d: Symbol \"%s\" not found.\n",sEZ_FILE_NAME,EASEALexer.yylineno,yyattribute(1 - 1).pSymbol->sName);
+	fprintf(stderr,"\n%s - Error line %d: Symbol \"%s\" not found.\n",sEZ_FILE_NAME,EASEALexer.yylineno,yyattribute(1 - 1).pSymbol->sName);
          exit(1);
       }
       (*(YYSTYPE YYFAR*)yyvalptr).dValue = (SymbolTable.find(yyattribute(1 - 1).pSymbol->sName))->dValue;
@@ -2095,8 +2095,13 @@ double CEASEAParser::divide(double a, double b)
   }
 }
 
+void CEASEAParser::yysyntaxerror(){
+  
+  fprintf(stderr,"%s \t Error line %d\n",sEZ_FILE_NAME,EASEALexer.yylineno);
+  exit(-1);
+}
 
-#line 2100 "C:\\repo\\src\\EaseaParse.cpp"
+#line 2104 "C:\\repo\\src\\EaseaParse.cpp"
 void YYPARSENAME::yytables()
 {
 	yyattribute_size = sizeof(YYSTYPE);

EaseaParse.h

@@ -109,6 +109,7 @@ public:
   
   double assign(CSymbol* pIdentifier, double dValue);
   double divide(double dDividend, double dDivisor);
+  void yysyntaxerror();
   CSymbol* insert() const;
 
 #line 115 "C:\\repo\\src\\EaseaParse.h"

myonemax.ez

+/*_________________________________________________________
+
+    onemax.ez
+
+    EASEA implementation of the ONEMAX problem       
+
+    Pierre COLLET (Pierre.Collet@Polytechnique.Fr)
+
+    17/01/01
+__________________________________________________________*/
+
+\User classes :
+GenomeClass { bool genes[10]; }
+\end
+
+\GenomeClass::initialiser : // "initializer" is also accepted
+  for (int i=0;i<10;i++) Genome.genes[i]=tossCoin(.5)?1:0;
+\end
+
+\GenomeClass::crossover :
+  int CrossoverPosition=random(0,10);
+  bool b;
+  for(int i=0;i<CrossoverPosition+1;i++)
+      {b=child1.genes[i]; child1.genes[i]=child2.genes[i]); child2.genes[i]=b;}
+\end
+
+\GenomeClass::mutator : // Must hand back the number of mutations
+  int NbMut=0;
+  for (int i=0;i<10;i++)
+    if (tossCoin(pMutPerGene)){
+       NbMut++;
+       Genome.genes[i]=Genome.genes[i]?0:1;
+    }
+  return NbMut;
+\end
+
+\GenomeClass::evaluator : // Returns the score
+  int Score=0;         
+  for (int i=0; i<10;i++)
+    Score+=(int)Genome.genes[i];
+  return Score;
+\end
+
+\Default run parameters :        // Please let the parameters appear in this order
+  Number of generations : 15     // NB_GEN
+  Mutation probability : 1       // MUT_PROB
+  Crossover probability : 1      // XOVER_PROB
+  Population size : 30           // POP_SIZE
+  Selection operator : Tournament // RouletteWheel, Deterministic, Ranking, Random
+  Offspring population size : 12 // 40% 
+  Replacement strategy : Plus    // Comma, SteadyState, Generational
+  Discarding operator : Worst    // Best, Tournament, Parent, Random
+  Evaluator goal : Maximise      // Minimise
+  Elitism : On                   // Off
+\end

onemax.ez

+/*_________________________________________________________
+
+This C:\WINDOWS\a_onemax\onemax.ez file was automatically created by GUIDE v0.1b
+
+_________________________________________________________*/
+
+\User declarations:
+#define SIZE 100      
+float pMutPerGene=0.1;
+
+inline void swap(bool& a, bool& b)
+  {bool c=a; a=b; b=c;}
+\end
+
+\User functions:
+
+\end
+
+\Initialisation function:
+
+\end
+
+\User classes:
+GenomeClass
+{
+  bool x[SIZE]; 
+}
+\end
+
+\GenomeClass::initialiser:
+  for (int i=0;i<SIZE;i++) Genome.x[i]=tossCoin(.5)?1:0;
+\end
+
+\GenomeClass::crossover:
+  int CrossoverPosition=random(0,SIZE);
+
+  for(int i=0;i<CrossoverPosition+1;i++)
+    swap(child1.x[i],child2.x[i]);
+\end
+
+\GenomeClass::mutator:
+  int NbMut=0;
+  for (int i=0;i<SIZE;i++)
+    if (tossCoin(pMutPerGene)){
+       NbMut++;
+       Genome.x[i]=Genome.x[i]?0:1;
+    }
+  return NbMut;
+\end
+
+\GenomeClass::evaluator:
+  int Score=0;         
+  for (int i=0; i<SIZE;i++)
+    Score+=(int)Genome.x[i];
+  return Score;
+\end
+
+\GenomeClass::display:
+
+\end
+
+\At each new generation:
+
+\end
+
+\Default run parameters:
+
+// Variation operators:
+  Operators are called: Sequentially
+  Mutation probability: 0.3
+  Crossover probability: 0.8
+
+// Evolution Engine:
+  Evaluator goal: Minimise
+  Number of generations: 2000
+  Evolutionary engine: Custom
+  Population size: 100
+  Elite: 10
+  Fertility: 80
+  Genitors selector: Tournament 2
+  Selected genitors: 100
+  Offspring size: 100
+  Reduce parents: Tournament 2
+  Surviving parents: 20
+  Reduce offspring: Tournament 2
+  Surviving offspring: 80
+  Final reduce: Tournament 2
+  Elitism: Strong
+
+// Island model:
+  Number of islands: 5
+  Emigration policy: Move
+  Migrants selector: Tournament 2
+  Migrants destination: Neighbours
+  Migration frequency: 0.2
+  Number of emigrants: 3
+  Immigration replacement: Tournament 2
+  Immigration policy: Add
+\end
+

tpl/EO.tpl

+\TEMPLATE_START//********************************************
+//                                         
+//  EASEA.cpp
+//                                         
+//  C++ file generated by AESAE-EO Millennium Edition (v0.6)
+//                                         
+//********************************************
+
+#include <stdexcept>  // runtime_error 
+#include <iostream>   // cout
+#include <strstream>  // ostrstream, istrstream
+#include <fstream>
+#include <eo>   
+#include <other/eoExternalEO.h> 
+#include <other/eoExternalOpFunctions.h> 
+
+unsigned  * pCurrentGeneration;
+unsigned  * pEZ_NB_GEN;
+double EZ_MUT_PROB, EZ_XOVER_PROB, EZ_REPL_PERC=0;
+int EZ_NB_GEN, EZ_POP_SIZE;
+unsigned long EZ_NB_EVALUATIONS=0;
+
+inline int random(int b1=0, int b2=1){
+  return rng.random(b2-b1)+b1;
+}
+inline double random(double b1=0, double b2=1){
+  return rng.uniform(b2-b1)+b1;
+}
+inline float random(float b1=0, float b2=1){
+  return rng.uniform(b2-b1)+b1;
+}
+
+\ANALYSE_PARAMETERS
+\INSERT_USER_DECLARATIONS
+\INSERT_INITIALISATION_FUNCTION \ANALYSE_USER_CLASSES
+\INSERT_USER_CLASSES
+struct EASEAGenome{
+public:
+  EASEAGenome::EASEAGenome() {
+\GENOME_CTOR  }
+  EASEAGenome(const EASEAGenome & orig) {
+\GENOME_CTOR    copy(orig);
+  }
+  virtual ~EASEAGenome() {
+\GENOME_DTOR  }
+  EASEAGenome& operator=(const EASEAGenome &);
+  virtual void copy(const EASEAGenome & c);
+
+\INSERT_GENOME};
+
+EASEAGenome& EASEAGenome::operator=(const EASEAGenome & arg) { 
+  copy(arg); 
+  return *this;
+}
+
+void EASEAGenome::copy(const EASEAGenome& genome) {
+  if(&genome != this){
+\GENOME_DTOR
+\COPY_CTOR  }
+}
+
+typedef eoExternalEO<\MINIMAXI, EASEAGenome> Chrom;
+
+istream & operator>>(istream &is, struct EASEAGenome &genome) {
+\READ
+return is;
+}
+
+ostream & operator<<(ostream &os, const struct EASEAGenome &genome) {
+\WRITE
+return os;
+}
+\INSERT_USER_FUNCTIONS
+\INSERT_INITIALISER
+
+\INSERT_CROSSOVER
+
+\INSERT_MUTATOR
+
+\INSERT_EVALUATOR
+int main_function(int argc, char **argv) {
+  // define a parser from the command-line arguments
+    eoParser parser(argc, argv);
+
+    // For each parameter, define Parameter, read it through the parser,
+    // and assign the value to the variable
+    eoValueParam<uint32> seedParam(time(0), "seed", "Random number seed", 'S');
+    parser.processParam( seedParam );
+    uint32 seed = seedParam.value();
+
+// the parameter found in the .ez file is set as a default value
+    eoValueParam<unsigned int> popSizeParam(\POP_SIZE, "POP_SIZE", "Population size",'P');
+    parser.processParam( popSizeParam, "Evolution engine" );
+    EZ_POP_SIZE = popSizeParam.value();
+
+    eoValueParam<unsigned int> maxGenParam(\NB_GEN, "NB_GEN", "Maximum number of generations",'G');
+    parser.processParam( maxGenParam, "Stopping criterion" );
+    EZ_NB_GEN = maxGenParam.value();
+    pEZ_NB_GEN = & maxGenParam.value();
+
+    eoValueParam<double> pCrossParam(\XOVER_PROB, "XOVER_PROB", "Probability of Crossover", 'C'); 
+    parser.processParam( pCrossParam, "Genetic Operators" );
+    EZ_XOVER_PROB = pCrossParam.value();
+
+    eoValueParam<double> pMutParam(\MUT_PROB, "MUT_PROB", "Probability of Mutation", 'M');
+    parser.processParam( pMutParam, "Genetic Operators" );
+    EZ_MUT_PROB = pMutParam.value();
+
+    eoValueParam<unsigned int> freqSavParam(0, "freqSav", "Save population every freqSav generations (0=final only)",'f');
+    parser.processParam( freqSavParam, "Persistence" );
+    unsigned freqSav = freqSavParam.value();
+
+    eoValueParam<unsigned int> boolGnuplotParam(1, "gnuplot", "Interactive gnuplot display (0/1)",'g');
+    parser.processParam( boolGnuplotParam, "Persistence" );
+    unsigned boolGnuplot = boolGnuplotParam.value();
+
+    string str_status = "EASEA.status";
+    eoValueParam<string> statusParam(str_status.c_str(), "status","Status file",'S');
+ 
+     parser.processParam( statusParam, "Persistence" );
+
+    if (parser.userNeedsHelp()){
+        parser.printHelp(cout);
+        exit(1);
+      }
+
+    if (statusParam.value() != ""){
+       ofstream os(statusParam.value().c_str());
+       os << parser;   // and you can use that file as parameter file
+      }
+
+   eoExternalInit<\MINIMAXI,EASEAGenome> ezInitialiser(&InitialiserFunction);
+   eoExternalMonOp<\MINIMAXI,EASEAGenome> ezMutation(&MutationFunction);
+   eoExternalQuadOp<\MINIMAXI,EASEAGenome> ezXOver(&CrossoverFunction);
+   eoExternalEvalFunc<\MINIMAXI,EASEAGenome> ezExtEval(&EvaluationFunction);
+   // ... to an object that counts the nb of actual evaluations
+   eoEvalFuncCounter<Chrom> ezEval(ezExtEval);
+
+  //reproductible random seed: if you don't change SEED above, 
+  // you'll aways get the same result, NOT a random run
+  rng.reseed(seed);
+\INSERT_INIT_FCT_CALL
+  // Initialization of the population
+  eoPop<Chrom> pop(EZ_POP_SIZE, ezInitialiser);
+
+  // and evaluate it (STL syntax)    
+  apply<Chrom>(ezEval, pop);
+
+  // Print best guy in intial population
+  cout << "Best individual in initial population:\n" << pop.best_element() << endl;
+
+  //////////////////////////////////////
+  // The variation operators
+  //////////////////////////////////////
+
+  // The operators are  encapsulated into an eoTRansform object
+  eoDynSGATransform<Chrom> transform(ezXOver, EZ_XOVER_PROB, ezMutation, EZ_MUT_PROB);
+  
+  /////////////////////////////////////
+  // selection and replacement
+  ////////////////////////////////////
+
+  eo\SELECTORSelect<Chrom> selectOne\SELECT_PRM;
+  eoSelectPerc<Chrom> select(selectOne,\REPL_PERC);
+
+  eo\REPLACEMENTReplacement<Chrom> \ELITIST_REPLACE_NAMEeplace\DISCARD_PRM; 
+\ELITISM
+
+  eoGenContinue<Chrom> continuator(EZ_NB_GEN);
+  
+  // Declare a checkpoint (from a continuator)
+  eoCheckPoint<Chrom> checkpoint(continuator);
+  
+  // Create a counter parameter
+  eoValueParam<unsigned> generationCounter(0, "Generation");
+  
+  // Create an incrementor (which is an eoUpdater). Note that the 
+  // Parameter's value is passed by reference, so every time the incrementer increments,
+  // the data in generationCounter will change.
+  eoIncrementor<unsigned> increment(generationCounter.value());
+
+  // Add it to the checkpoint, this will result in the counter being incremented every generation
+  checkpoint.add(increment);
+
+  // now some statistics on the population:
+  // Best fitness in population
+  eoBestFitnessStat<Chrom> bestStat;
+  eoAverageStat<Chrom> averageStat;
+  // Second moment stats: average and stdev
+  eoSecondMomentStats<Chrom> SecondStat;
+
+  // Add them to the checkpoint to get them called at the appropriate time
+  checkpoint.add(bestStat);
+  checkpoint.add(averageStat);
+  checkpoint.add(SecondStat);
+
+  // The Stdout monitor will print parameters to the screen ...
+  eoStdoutMonitor monitor(false);
+   
+  // when called by the checkpoint (i.e. at every generation)
+  checkpoint.add(monitor);
+
+  // the monitor will output a series of parameters: add them 
+  monitor.add(generationCounter);
+  monitor.add(ezEval);  // because now eval is an eoEvalFuncCounter!
+  monitor.add(bestStat);
+  monitor.add(SecondStat);
+
+  // A file monitor: will print parameters to ... a File, yes, you got it!
+  eoFileMonitor fileMonitor("stats.xg", " ");
+
+  // interactive output: only if user wants it - hence have to use a pointer
+  eoMonitor *gnuMonitor;
+
+  if (boolGnuplot)    // plot only if user requires
+    gnuMonitor = new   eoGnuplot1DMonitor("best_average.xg");
+  else        // but create file anyway
+    gnuMonitor = new   eoFileMonitor("best_average.xg");
+
+   
+  // the checkpoint mechanism can handle multiple monitors
+  checkpoint.add(fileMonitor);
+  checkpoint.add(*gnuMonitor);
+
+  // the fileMonitor can monitor parameters, too, but you must tell it!
+  fileMonitor.add(generationCounter);
+  fileMonitor.add(bestStat);
+  fileMonitor.add(SecondStat);
+  // the fileMonitor can monitor parameters, too, but you must tell it!
+  gnuMonitor->add(ezEval);
+  gnuMonitor->add(bestStat);
+  gnuMonitor->add(averageStat);
+
+  eoState outState;
+  // Register the algorithm into the state (so it has something to save!!)
+  outState.registerObject(parser);
+  outState.registerObject(pop);
+  outState.registerObject(rng);
+
+  // and feed the state to state savers
+  // save state every freqSav  generation
+  unsigned int freq = freqSav;
+  if (!freqSav)      // only final generation
+      freq = EZ_NB_GEN+1;    // so no save will take place before the end
+  eoCountedStateSaver stateSaver(freq, outState, "generation", true);
+  // Don't forget to add the saver to the checkpoint
+  checkpoint.add(stateSaver);
+
+  /////////////////////////////////////////
+  // the algorithm
+  ////////////////////////////////////////
+  // Easy EA requires 
+  // selection, transformation, eval, replacement, and stopping criterion
+  eoEasyEA<Chrom> gga(checkpoint, ezEval, select, transform, replace);
+
+  // Apply algo to pop
+  gga(pop);
+  
+  // print best final guy
+  cout << "\nBest individual in final population:\n" << pop.best_element() << endl;
+
+  // will have to do this more properly - cf eoFunctorStore
+  delete  gnuMonitor;
+  return 0;
+}
+
+// A main that catches the exceptions
+int main(int argc, char **argv)
+{
+#ifdef _MSC_VER
+    int flag = _CrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF);
+     flag |= _CRTDBG_LEAK_CHECK_DF;
+    _CrtSetDbgFlag(flag);
+//   _CrtSetBreakAlloc(100);
+#endif
+
+    try
+    {
+        main_function(argc, argv);
+    }
+    catch(exception& e)
+    {
+        cout << "Exception: " << e.what() << '\n';
+    }
+
+    return 1;
+}
+
+\TEMPLATE_END
+