public Void VisitVarActualParameter(VarActualParameter ast, FormalParameter arg)
{
var actualType = ast.Vname.Visit(this);
if (!ast.Vname.IsVariable)
{
ReportError("actual parameter is not a variable", ast.Vname);
}
else if (arg is VarFormalParameter)
{
var parameter = (VarFormalParameter)arg;
CheckAndReportError(actualType.Equals(parameter.Type),
"wrong type for var actual parameter", ast.Vname);
}
else
{
ReportError("var actual parameter not expected here", ast.Vname);
}
return(null);
}
public int VisitVarActualParameter(VarActualParameter ast, Frame frame)
{
EncodeFetchAddress(ast.Vname, frame);
return(Machine.AddressSize);
}
