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