/Users/kmartin/Documents/files/code/cpp/OScpp/COIN-OS/OS/src/OSCommonInterfaces/OSiLReader.cpp

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#include "OSiLReader.h"


//bison function
void yygetOSInstance(const char *osil, OSInstance* osinstance, OSiLParserData *parserData) throw(ErrorClass);
//lex functions
int osillex_init(void** ptr_yy_globals);
int osillex_destroy (void* scanner );
void osilset_extra (OSiLParserData* parserData , void* yyscanner );


OSiLReader::OSiLReader( ) {
        m_osinstance = new OSInstance();
        m_parserData = new OSiLParserData();
        // initialize the lexer and set yyextra
        osillex_init( &(m_parserData->scanner) );
        osilset_extra (m_parserData ,   m_parserData->scanner);
}

OSiLReader::~OSiLReader(){
        if(m_osinstance != NULL) delete m_osinstance;
        m_osinstance = NULL;
        // now delete the flex scanner that was initialized
        osillex_destroy(m_parserData->scanner );
        if( m_parserData != NULL) delete m_parserData;
        m_parserData = NULL;
} 

OSInstance* OSiLReader::readOSiL(const std::string& posil) throw(ErrorClass){   
        try{
                const char *ch = posil.c_str();
                yygetOSInstance( ch, m_osinstance, m_parserData);
                return m_osinstance;
        }
                catch(const ErrorClass& eclass){
                throw ErrorClass( eclass.errormsg);
        }
}//end readOSiL

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