source: cpp/f8-to-f1/conv_f8tof1.cpp @ 101

/*
 *  conv_f8tof1.cpp
 *  L-systemToF1
 *
 *  Created by Maciej Wajcht on 08-03-21.
 *  Copyright 2008 __MyCompanyName__. All rights reserved.
 *
 */

#include "conv_f8tof1.h"
#include "conv_f8_utils.h"
#include <sstream>
#include <string>
#include <algorithm>
#include "lexglobal.h"
#include "conv_f8tof1_scanner.h"
namespace prs {
        #include "conv_f8tof1_grammar.c"
}

#if CONV_DEBUG > 0
        #include <iostream>
#endif

#define CONV_DEBUG 0 //0 - off, 1 - minimal, 2 - full

using namespace std;

Lsystem::Lsystem()
{
        for(int i=0;i<strlen(GenoConv_F8ToF1::simpleprods);i++)
        {
                string s(1,GenoConv_F8ToF1::simpleprods[i]);
                SString ss(s.c_str());
                this->primitiveProductions.insert(make_pair(s, new PrimitiveProduction(ss)));
        }
}

Lsystem::~Lsystem() {
        for (map<string, Production*>::iterator iter = this->productions.begin();
                 iter != this->productions.end(); iter++) {
                delete iter->second;
        }
        for (map<string, PrimitiveProduction*>::iterator iter = this->primitiveProductions.begin();
                 iter != this->primitiveProductions.end(); iter++) {
                delete iter->second;
        }
        for (map<string, ParamProduction*>::iterator iter = this->paramProductions.begin(); 
                 iter != this->paramProductions.end(); iter++) {
                delete iter->second;
        }
        for (vector<NeuronProduction*>::iterator iter = this->neuronProductions.begin();
                 iter != this->neuronProductions.end(); iter++) {
                delete *iter;
        }
}

PrimitiveProduction* Lsystem::getPrimitiveProduction(SString name) {
        string sname = sstringToString(name);
        if (this->primitiveProductions.find(sname) == this->primitiveProductions.end()) {
                PrimitiveProduction *pp = new PrimitiveProduction(name);
                this->primitiveProductions.insert(make_pair(sname, pp));
        }
        return this->primitiveProductions[sname];
}

ParamProduction* Lsystem::getParamProduction(SString name) {
        string sname = sstringToString(name);
        if (this->paramProductions.find(sname) == this->paramProductions.end()) {
                ParamProduction *pp = new ParamProduction(name);
                this->paramProductions.insert(make_pair(sname, pp));
        }
        return this->paramProductions[sname];
}

SString Lsystem::toString() {
        this->removeEmptySubproductionsAndProductions();
        SString result = "";
        result += SString::valueOf(this->iterations) + "\n";
        for (map<string, double>::iterator it = this->startParams.begin(); 
                 it != this->startParams.end(); it++) {
                result += stringToSString(it->first) + "=" + SString::valueOf(it->second) + "\n";
        }
        result += SString("---") + "\n";
        result += stringToSString(this->firstProductionName) + "\n";
        for (map<string, Production*>::iterator prodIter = this->productions.begin();
                 prodIter != this->productions.end(); prodIter++) {
                Production *p = prodIter->second;
                result += p->name + "(";
                for (int i = 1; i <= p->parameters.size(); i++) {
                        result += p->parameters.getParameterName(i);
                        if (i < p->parameters.size()) {
                                result += ",";
                        }
                }
                result += "):";
                for (int subprodIter = 0; subprodIter < p->subproductions.size(); subprodIter++) {
                        SubProduction *sp = &(p->subproductions[subprodIter]);
                        for (int condIter = 0; condIter < sp->conditions.size(); condIter++) {
                                Condition *c = &(sp->conditions[condIter]);
                                RelationType r = c->relation;
                                SString op = (r == r_greater) ? ">" : (r == r_greaterEqual) ? ">=" : (r == r_less) ? "<" :
                                (r == r_lessEqual) ? "<=" : (r == r_equal) ? "==" : (r == r_different) ? "!=" : "";
                                result += c->parameter + op + SString::valueOf(c->value);
                                if (condIter != sp->conditions.size() - 1) {
                                        result += ",";
                                }
                        }
                        if (sp->conditions.size() > 0) {
                                result += SString("|");
                        }
                        for (vector<ActionStrP>::iterator actionIter = sp->actions.begin();
                                 actionIter != sp->actions.end(); actionIter++) {
                                ActionStrP *a = &(*actionIter);
                                if (a->action == NULL) {
                                        continue;
                                }
                                result += a->action->getF8Representation();
                                if (!a->action->ignoreParams) {
                                        result += SString("(");
                                        for (int paramIter = 0; paramIter < a->params.size(); paramIter++) {
                                                result += convertReversePolishNotationToNatural(a->params[paramIter]);
                                                if (paramIter != a->params.size() - 1) {
                                                        result += ",";
                                                }
                                        }
                                        result += SString(")");                                 
                                }
                        }
                        if (subprodIter != p->subproductions.size() - 1) {
                                result += SString(":");
                        }
                }
                result += SString("\n");
        }       
        return result;
}

vector<Action*> Lsystem::getAllActions(bool normal, bool primitives, bool params, bool neurons) {
        vector<Action*> actions;
        if (normal) {
                for (map<string, Production*>::iterator iter = this->productions.begin(); 
                         iter != this->productions.end(); iter++) {
                        actions.push_back(iter->second);
                }
        }
        if (primitives) {
                for (map<string, PrimitiveProduction*>::iterator iter = this->primitiveProductions.begin(); 
                         iter != this->primitiveProductions.end(); iter++) {
                        actions.push_back(iter->second);
                }
        }
        if (params) {
                for (map<string, ParamProduction*>::iterator iter = this->paramProductions.begin(); 
                         iter != this->paramProductions.end(); iter++) {
                        actions.push_back(iter->second);
                }
        }
        if (neurons) {
                for (vector<NeuronProduction*>::iterator iter = this->neuronProductions.begin();
                         iter != this->neuronProductions.end(); iter++) {
                        actions.push_back(*iter);
                }
        }
        return actions;
}

void Lsystem::removeEmptySubproductionsAndProductions() {
        /* po wykonaniu moga pozostac puste subprodukcje (usuwanie wywolan do usunietych wczesniej produkcji
         * ale i tak znikna one przy kolejnym wywolaniu, tak wiec ilosc smieci nie powinna byc razaca
         */
        
        //delete empty subproductions
        for (map<string, Production*>::iterator prodIter = this->productions.begin();
                 prodIter != this->productions.end(); prodIter++) {
                vector<SubProduction> *subproductions = &(prodIter->second->subproductions);
                for (vector<SubProduction>::iterator i = subproductions->begin(); i != subproductions->end(); /*nothing*/) {
                        if ((*i).actions.size() == 0) {
                                i = subproductions->erase(i);
                        } else {
                                i++;
                        }
                }
        }
        
        //find empty productions
        vector<SString> emptyProductionNames;   
        for (map<string, Production*>::iterator prodIter = this->productions.begin();
                 prodIter != this->productions.end(); prodIter++) {
                if (prodIter->second->subproductions.size() == 0 && 
                        sstringToString(prodIter->second->name) != this->firstProductionName) {
                        emptyProductionNames.push_back(prodIter->second->name);
                }
        }
        
        //delete calls to empty productions
        for (map<string, Production*>::iterator prodIter = this->productions.begin();
                 prodIter != this->productions.end(); prodIter++) {
                vector<SubProduction> *subproductions = &(prodIter->second->subproductions);
                for (vector<SubProduction>::iterator subProdIter = subproductions->begin();
                         subProdIter != subproductions->end(); subProdIter++) {
                        SubProduction *sp = &(*subProdIter);
                        for (vector<ActionStrP>::iterator actionIter = sp->actions.begin(); 
                                 actionIter != sp->actions.end(); /*nothing*/) {
                                bool deleted = false;
                                if ((*actionIter).action != NULL) {
                                        vector<SString>::iterator result = find(emptyProductionNames.begin(), emptyProductionNames.end(), 
                                                                                                                        (*actionIter).action->name);
                                        if (result != emptyProductionNames.end()) { //emptyProductionNames contains the action name
                                                actionIter = sp->actions.erase(actionIter);
                                                deleted = true;
                                        }
                                }
                                if (!deleted) {
                                        actionIter++;
                                }
                        }
                }
        }
        
        //delete empty productions
        for(int i = 0; i < emptyProductionNames.size(); i++) {
                this->productions.erase(sstringToString(emptyProductionNames[i]));
        }
}

ostream& operator<<(ostream& os, const Condition& c) {
        RelationType r = c.relation;
        SString op = (r == r_greater) ? ">" : (r == r_greaterEqual) ? ">=" : (r == r_less) ? "<" :
        (r == r_lessEqual) ? "<=" : (r == r_equal) ? "==" : (r == r_different) ? "!=" : "";
        os <<  c.parameter << " " << op << " " << c.value;
        return os;
}

const double ParameterCollection::getValue(int position) {
        string name = this->parameters[position - 1];
        return this->paramValues[name];
}

const double ParameterCollection::getValue(SString name) {
        return this->paramValues[sstringToString(name)];
}

const SString ParameterCollection::getParameterName(int position) {
        return stringToSString(this->parameters[position - 1]);
}

const int ParameterCollection::getParameterPosition(SString name) {
        for (int i = 0; i < this->parameters.size(); i++) {
                string &s = this->parameters[i];
                if (s == sstringToString(name)) {
                        return i + 1;
                }
        }
        return -1;
}

void ParameterCollection::setValue(int position, double value) {
        string name = this->parameters[position - 1];
        this->paramValues[name] = value;
}

void ParameterCollection::setValue(SString name, double value) {
        this->paramValues[sstringToString(name)] = value;
}

void ParameterCollection::addParameter(SString name, int position, double value) {
        //TODO sprawdzenie czy position > 0
        string sname = sstringToString(name);
        if (position == -1) {
                this->parameters.push_back(sname);
                this->paramValues[sname] = value;
        } else {
                this->parameters.reserve(position);
                this->parameters.insert(this->parameters.begin() + (position -1), sname);
                this->paramValues[sname] = value;
        }
        //this->paramValues[name] = value;
}

const int ParameterCollection::size() {
        return this->parameters.size();
}

void ParameterCollection::removeParameter(int position) {
        string name = this->parameters[position - 1];
        vector<string>::iterator it = this->parameters.begin() + (position - 1);
        this->parameters.erase(it);
        this->paramValues.erase(name);
}

void ParameterCollection::removeParameter(SString name) {
        int idx = getParameterPosition(name);
        this->removeParameter(idx);
}

bool ParameterCollection::paramExist(SString name) {
        string sname = sstringToString(name);
        for (vector<string>::iterator it = this->parameters.begin(); it != this->parameters.end(); it++) {
                if ((*it) == sname) {
                        return true;
                }
        }
        return false;
}

PrimitiveProduction::PrimitiveProduction(const SString command) {
        this->f8command = command;
        this->ignoreParams = true;
        if (command == SString("[")) {
                this->f1command = SString("(");
                this->name = SString("_primitive production '[' => '('");
        } else if (command == SString("]")) {
                this->f1command = SString(")");
                this->name = SString("_primitive production ']' => ')'");
        } else if (command == SString("^")) {
                this->f1command = SString(",");
                this->name = SString("_primitive production '^' => ','");
        } else {
                this->f1command = command;
                this->name = SString("_primitive production '") + command + "'";
        }
}

const SString PrimitiveProduction::getF1Genotype(const vector<double> params) {
#if CONV_DEBUG > 1
        cout << "@@@@@ Prymityw: " << this->f1command << endl;
#endif
        return SString(this->f1command);
}

const list<ActionP> PrimitiveProduction::getActionList(const vector<double> param) {
        list<ActionP> l;
        ActionP ap;
        ap.action = this;
        ap.params = param;
        l.push_back(ap);
        return l;
}

const SString PrimitiveProduction::getF8Representation() {
        return this->f8command;
}

ParamProduction::ParamProduction(const SString paramName) {
        this->paramName = paramName;
        this->name = SString("_param production") + paramName;
        this->ignoreParams = true;
}

const SString ParamProduction::getF1Genotype(const vector<double> params) {
        SString s = SString::valueOf(params[0]);
#if CONV_DEBUG > 1
        cout << "@@@@@ Param value: " << this->paramName << ": " << params[0] << endl;
#endif
        return s;
        
}

const list<ActionP> ParamProduction::getActionList(const vector<double> param) {
        list<ActionP> l;
        ActionP ap;
        ap.action = this;
        ap.params = param;
        l.push_back(ap);
        return l;
        
}

const SString ParamProduction::getF8Representation() {
        return this->paramName;
}

NeuronProduction::NeuronProduction(const SString body) {
        this->body = body;
        this->name = SString("_neuron production") + body;
        this->ignoreParams = true;
}

const SString NeuronProduction::getF1Genotype(const vector<double> params) {
        return this->body;      
}

const list<ActionP> NeuronProduction::getActionList(const vector<double> param) {
        list<ActionP> l;
        ActionP ap;
        ap.action = this;
        ap.params = param;
        l.push_back(ap);
        return l;
        
}

const SString NeuronProduction::getF8Representation() {
        return this->body;
}

Production::Production() {
        this->ignoreParams = false;
}

const SString Production::getF1Genotype(const vector<double> params) {
        return SString(); //return empty
}

const list<ActionP> Production::getActionList(const vector<double> params) {
        list<ActionP> l;
#if CONV_DEBUG > 1
        cout << "params.size(): " << params.size() << ", this->parameters.size(): " << this->parameters.size() << endl;
#endif
        for (int i = 0; i < params.size() && i < this->parameters.size(); i++) {
                this->parameters.setValue(i + 1, params[i]);
        }
        
        //iterate through subproductions
        for (vector<SubProduction>::iterator subProdIter = this->subproductions.begin();
                 subProdIter != this->subproductions.end(); subProdIter++) {
#if CONV_DEBUG > 1
                cout << "this->subproductions.size(): " << this->subproductions.size() << endl;
#endif
                SubProduction &sp = *subProdIter;
                bool conditionsOK = true;
                //check conditions of subproduction
                for (vector<Condition>::iterator condIter = sp.conditions.begin();
                         condIter != sp.conditions.end(); condIter++) {
                        if (conditionsOK == false) {
                                break; //because it's no use checking further
                        }
                        Condition &c = *condIter;
                        switch (c.relation) {
                                case r_greater:
                                        if (this->parameters.getValue(c.parameter) <= c.value) {
                                                conditionsOK = false;
                                        }
                                        break;
                                        case r_greaterEqual:
                                        if (this->parameters.getValue(c.parameter) < c.value) {
                                                conditionsOK = false;
                                        }
                                        break;
                                        case r_less:
                                        if (this->parameters.getValue(c.parameter) >= c.value) {
                                                conditionsOK = false;
                                        }
                                        break;
                                        case r_lessEqual:
                                        if (this->parameters.getValue(c.parameter) > c.value) {
                                                conditionsOK = false;
                                        }
                                        break;
                                        case r_equal:
                                        if (this->parameters.getValue(c.parameter) != c.value) {
                                                conditionsOK = false;
                                        }
                                        break;
                                        case r_different:
                                        if (this->parameters.getValue(c.parameter) == c.value) {
                                                conditionsOK = false;
                                        }
                                        break;
                        }       
                }
                if (conditionsOK) {
                        //iterate through each action in subproduction
                        for (int i = 0; i < sp.actions.size(); i++) {
#if CONV_DEBUG > 1
                                cout << "sp.actions.size(): " << sp.actions.size() << endl;
#endif
                                Action *action = sp.actions[i].action;
                                vector<SString> strParams = sp.actions[i].params;
                                vector<double> params;
                                //replace parameter names with values
                                for (vector<SString>::iterator paramIter = strParams.begin();
                                         paramIter != strParams.end(); paramIter++) {
                                        SString parameter;
                                        SString element;
                                        int pos = 0;
                                        while ((*paramIter).getNextToken(pos, element, ';')) {
                                                if (element[0] == 'n') {
                                                        double val = this->parameters.getValue(element);
                                                        parameter += SString::valueOf(val) + ";";
                                                } else {
                                                        parameter += element + ";";
                                                }
                                        }
                                        params.push_back(parseExpression(parameter));
                                }
                                
                                ActionP ap;
                                ap.action = action;
                                ap.params = params;
                                l.push_back(ap);
                        }
                }
        }
        
        return l;
}

const SString Production::getF8Representation() {
        return this->name;
}









const char* GenoConv_F8ToF1::simpleprods="X[]^RrLlAaCcFfMmSsIiQqWw"; //Ee skipped


#define FIELDSTRUCT GenoConv_F8ToF1

static ParamEntry GENOCONVf8param_tab[]=
{
{"Genetics: f8: Converter",1,1,},
{"f8conv_maxlen", 0, 0, "Maximal genotype length", "d 10 10000 500", FIELD(maxF1Length),"Maximal length of the resulting f1 genotype, in characters. If the f8 L-system produces longer f1 genotype, it will be considered incorrect.", },
{0,},
};

#undef FIELDSTRUCT

Param GenoConv_F8ToF1::staticpar; 


GenoConv_F8ToF1::GenoConv_F8ToF1()
{
        name = "Generative encoding";
        in_format = '8';
        out_format = '1';
        mapsupport = 0;
        maxF1Length = 500;
        par.setParamTab(GENOCONVf8param_tab);
        par.select(this);
        par.setDefault();
}


vector<SString> GenoConv_F8ToF1::readProductionNames(const SString &in) {
        vector<SString> names;
        SString line;
        int pos = 0;
        bool afterFirstProd = false;
        //ParsingStatus status = firstLine;
        while (in.getNextToken(pos, line, '\n')) {
#if CONV_DEBUG > 1
                std::cout << "### Line: " << line << std::endl;
#endif
                if (line.startsWith("P") && line.indexOf('(', 0) == -1) {
                        afterFirstProd = true;
                        continue;
                }
                if (!afterFirstProd) {
                        continue;
                }
                int lParenIndex = line.indexOf('(', 0);
                if (line.startsWith("P") && lParenIndex != -1) {
                        SString prodName = line.substr(0, lParenIndex);
#if CONV_DEBUG > 1
                        std::cout << "###Production: " << prodName << std::endl;
#endif
                        names.push_back(prodName);
                }
        }
        return names;
}

bool GenoConv_F8ToF1::checkSyntax(const char *geno) {
        return this->parseInput(geno, NULL);
}

SString GenoConv_F8ToF1::convert(SString &in, MultiMap *mmap) {
#if CONV_DEBUG > 0
        cout << "convert() start" << endl;
#endif
        SString dst = "";
        const char* src = in;
        
        if (in.len() < 1 || !this->checkSyntax(src)) {
                return SString();
        }
        
        Lsystem *lsystem = this->createLsystem(in);
        if (lsystem == NULL) {
                return SString();
        }
        if (lsystem->firstProductionName.empty()) {
                delete lsystem;
                return SString();
        }
        
#if CONV_DEBUG > 0
        for (map<string, Production*>::iterator i1 = lsystem->productions.begin(); i1 != lsystem->productions.end(); i1++) {
                Production *p = i1->second;
                cout << "Production: " << p->name << endl;
                for (vector<SubProduction>::iterator i2 = p->subproductions.begin(); i2 != p->subproductions.end(); i2++) {
                        SubProduction sp = *i2;
                        cout << "\tConditions" << endl;
                        for (vector<Condition>::iterator i3 = sp.conditions.begin(); i3 != sp.conditions.end(); i3++) {
                                cout << "\t\t" << *i3 << endl;
                        }
                        cout << "\tAction : params" << endl;
                        for (int i = 0; i < sp.actions.size(); i++) {
                                Action *a = sp.actions[i].action;
                                vector<SString> strParams = sp.actions[i].params;
                                cout << "\t\t" << a->name << " : ";
                                for (vector<SString>::iterator i4 = strParams.begin(); i4 != strParams.end(); i4++) {
                                        cout << *i4 << ", ";
                                }
                                cout << endl;
                        }
                }
        }
#endif
#if CONV_DEBUG > 1
        cout << "&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&" << endl;
#endif
        
        //cout << "convert() 1" << endl;
        //set parameters for start production
        Production *firstProduction = lsystem->productions[lsystem->firstProductionName];
        if (firstProduction==NULL) {
                delete lsystem;
                return SString(""); //should never happen because of syntax validation
        }

        vector<double> params;
        params.assign(lsystem->startParams.size(), 0.0);
        //cout << "startParams->size: " << lsystem->startParams.size() << endl;
        for (map<string, double>::iterator iter = lsystem->startParams.begin();
                 iter != lsystem->startParams.end(); iter++)
        {
                int position = firstProduction->parameters.getParameterPosition(stringToSString(iter->first));
                //cout << "position of " << iter->first << ": " << position << endl;
                //params.insert(params.begin() + (position - 1), iter->second); //no need because the vector has required length (assign above)
                if (position>params.size()) {
                        delete lsystem;
                        return SString("");
                }
                params[position - 1] = iter->second;
        }
        
        //cout << "convert() 2" << endl;
        
        ActionP ap;
        ap.action = firstProduction;
        ap.params = params;
        
        list<ActionP> actionList;
        actionList.push_back(ap);
        
        //cout << "iterations: " << lsystem->iterations << endl;
        for (int i = 0; i < lsystem->iterations; i++) {
                //cout << "convert() 2.1" << endl;
                list<ActionP> newList;
                for (list<ActionP>::iterator iter = actionList.begin(); iter != actionList.end(); iter++) {
                        //cout << "convert() 2.1.1" << endl;
                        Action *a = (*iter).action;
                        vector<double> p = (*iter).params;
                        if (a != NULL) {
                                list<ActionP> tmpList = a->getActionList(p);
                                newList.insert(newList.end(), tmpList.begin(), tmpList.end());
                        }
                }
                actionList = newList;
        }
        
#if CONV_DEBUG > 1
        cout << "&&&&&&&&&&&&&&&&&&&&& ^ &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&" << endl;
        for (list<ActionP>::iterator it = actionList.begin(); it != actionList.end(); it++) {
                cout << (*it).action->name << "(";
                for (vector<double>::iterator it2 = (*it).params.begin(); it2 != (*it).params.end(); it2++) {
                        cout << *it2 << ", ";
                }
                cout << ")" << endl;
        }
        cout << "&&&&&&&&&&&&&&&&&&&&& ^ &&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&" << endl;
#endif  
        for (list<ActionP>::iterator iter = actionList.begin(); iter != actionList.end(); iter++) {
                Action *a = (*iter).action;
                vector<double> p = (*iter).params;
                if (a != NULL) {
                        dst += a->getF1Genotype(p);
                        if (dst.len() > maxF1Length) {
                                delete lsystem;
                                return SString(); //genotype becomes too long so we abort conversion
                        }
                }
        }
        
        delete lsystem;
        
#if CONV_DEBUG > 0
        cout << "convert() end" << endl;
#endif
        return dst;
}

//Lsystem* GenoConv_F8ToF1::createLsystem(const SString &in) {
Lsystem* GenoConv_F8ToF1::createLsystem(SString in) {
#if CONV_DEBUG > 0
        cout << "createLsystem() start" << endl;
#endif
        Lsystem *lsys = new Lsystem();

        //read production names and create objects for them
        vector<SString> names = this->readProductionNames(in);
        for (vector<SString>::iterator nameIter = names.begin(); nameIter != names.end(); nameIter++) {
                Production *production = new Production();
                production->name = *nameIter;
                //lsystem->productions.insert(make_pair(*nameIter, production));
                lsys->productions[sstringToString(*nameIter)] = production;
        }
        
#if CONV_DEBUG > 1
        cout << "lsystemprodsize " << lsys->productions.size() << endl;
        for (map<string, Production*>::iterator iii = lsys->productions.begin(); iii != lsys->productions.end(); iii++) {
                cout << "PPP '" << iii->first << "' adr " << (long) &(iii->second) << endl;
        }
#endif
        
        const char* src = in;
        bool result = this->parseInput(src, lsys);
        if (!result) {
                delete lsys;
                return NULL;
        }
        
#if CONV_DEBUG > 1
        
        cout << "@@@@@ Parsed" << endl;
        
        cout << "&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&" << endl;
#endif
        //final check
        for (map<string, Production*>::iterator prodIter = lsys->productions.begin();
                 prodIter != lsys->productions.end(); prodIter++) {
                for (vector<SubProduction>::iterator subProdIter = prodIter->second->subproductions.begin();
                         subProdIter != prodIter->second->subproductions.end(); subProdIter++) {
                        SubProduction subProduction = *subProdIter;
                        for (vector<ActionStrP>::iterator i = subProduction.actions.begin();
                                 i != subProduction.actions.end(); /*nothing*/) {
                                if ((*i).action == NULL) {
                                        i = subProduction.actions.erase(i);
                                } else {
                                        i++;
                                }
                        }
                }
        }
#if CONV_DEBUG > 0
        cout << "createLsystem() end" << endl;
#endif
        return lsys;
}

bool GenoConv_F8ToF1::parseInput(const char* src, Lsystem* lsys) {
        //initialize parser
        int yv;
        istringstream input;
        input.str(string(src));
        ostringstream output;
        yyFlexLexer scanner(&input, &output);
        bool syntaxOk = false;
        void* pParser = prs::ParseAlloc(malloc, lsys, (lsys == NULL), &syntaxOk);
        struct prs::Token t0;
        //t0.strValue = "";
        memset(t0.strArrValue, 0, 30);
        extern YYSTYPE yylval;
        
        //parse input
        // on EOF yylex will return 0
        while((yv = scanner.yylex()) != 0) {
#if CONV_DEBUG > 1
                cout << " yylex() " << yv << " yylval.strVal " << yylval.strVal << endl;
#endif
                memset(t0.strArrValue, 0, 30);
                sprintf(t0.strArrValue, yylval.strVal);
                prs::Parse (pParser, yv, t0);
        }
        prs::Parse(pParser, 0, t0);
        prs::ParseFree(pParser, free);
        
        return syntaxOk;        
}
#undef CONV_DEBUG