/**
* Function VisitGroupingExpr
* Param : grouping expression to check
* Return : the type of the expression inside brackets
*/
public VALTYPE VisitGroupingExpr(Expr.Grouping expr)
{
return(GetType(expr.Expression));
}
/**
* Funciton VisitGroupingExpr --> '(' <expr> ')'
* Param : grouping expression to evaluate
* Return : the evaluated expression
*/
public Value VisitGroupingExpr(Expr.Grouping expr)
{
return(Evaluate(expr.Expression));
}
/**
* Function VisitGroupingExpr
* Param : grouping expression to visit
* Return : string with the expression inside parenthesis
*/
public String VisitGroupingExpr(Expr.Grouping expr)
{
return("(" + Print(expr.Expression) + ")");
}