Object VisitUnStatementAST(unStatementAST var, object arg)
{
int numaux = ((Integer)arg).intValue(); printtab(numaux); System.out.println(c.getClass().getName()); if(c.- !=null) c.-.visit(this,new Integer(numaux+1)); else{printtab(numaux+1); Console.WriteLine(“NULL”);} return null;
}
public blockAST parseBlock()
{
listStatementsAST temp=null;
listStatementsAST result=null;
statementAST parS;
accept(sym.COR_A, "{");
Boolean ind =false;
while (currentToken.sym == sym.ID)
{
if (ind == false)
{
parS = parseStat();
temp = new unStatementAST(parS);
ind = true;
}
else
{
parS = parseStat();
temp = new unStatementAST(parS);
result = new varStatementAST(result,temp);
}
}
accept(sym.COR_C, "}");
if (ind == false)
{
return new blockSinStatementAST();
}
else
{
if (result == null) {
return new blockConStatementAST(temp);
}
else return new blockConStatementAST(result);
}
}