syntax_analizer (to continue)

int exprOr(){
  if(exprAnd()){
    if(exprOr1())
      return 1;
  }
  return 0;
}

int exprOr1(){
  if(consume(OR)){
    if(exprAnd()){
      if(exprOr1())
      return 1;
    }else
      tkerr("Invalid fct after ||");
  }
  return 1;
}

int exprAnd(){
    if(exprEq()){
      if(exprAnd1())
    return 1;

    }
    return 0;
}

int exprAnd1(){
    if(consume(AND)){
    if(exprEq()){
     if(exprAnd1())
       return 1;
    }else
      tkerr("Invalid fct after ||");
    }
    return 1;
}

int exprEq(){
    if(exprRel()){
    if(exprEq1())
        return 1;
    }
    return 0;
}

int exprEq1(){
    if(consume(EQUAL) || consume(NOTEQ)){
    if(exprRel()){
        if(exprEq1())
          return 1;
    }else
       tkerr("Invalid fct after ||");
    }
    return 1;
}


int exprRel(){
  if(exprAdd()){
    if(exprRel1())
      return 1;
  }
  return 0;
}

int exprRel1(){
  if(consume(LESS) || consume(LESSEQ) || consume(GREATER) || consume(GREATEREQ)){
    if(exprAdd()){
      if(exprRel1())
      return 1;
    }else
      tkerr("Invalid fct after ||");
  }
  return 1;
}


int exprAdd(){
  if(exprMul()){
    if(exprAdd1())
      return 1;
  }
  return 0;
}

int exprAdd1(){
  if(consume(ADD) || consume(SUB)){
    if(exprMul()){
      if(exprAdd1())
      return 1;
    }else
      tkerr("Invalid fct after ||");
  }
  return 1;
}