public IrStmt visit(IrStmtList t)
{
IrStmtList stmts = new IrStmtList();
for (int i = 0; i < t.size(); i++)
{
IrStmt s = ((IrStmt)t.elementAt(i)).accept(this);
stmts.add(s);
}
return stmts;
}
private IrStmtList flattern(IrStmtList list)
{
IrStmtList sl = new IrStmtList();
for (int i = 0; i < list.size(); i++)
{
IrStmt s = (IrStmt)list.elementAt(i);
if (null != (s as IrStmtList))
{
sl.add(flattern((IrStmtList)s));
}
else
{
sl.add(s);
}
}
return sl;
}
// VarDeclList ---
public IrStmtList visit(AstVarDeclList n)
{
IrStmtList sl = new IrStmtList();
IrStmt s;
for (int i = 0; i < n.Count(); i++)
{
s = n[i].accept(this);
if (s != null)
sl.add(s);
}
if (sl.size() > 0)
return sl;
else
return null;
}
// Statements
public int visit(IrStmtList sl)
{
int ret = STATUS_DEFAULT;
int i = 0;
while (i < sl.size())
{
int next = ((IrStmt) sl.elementAt(i)).accept(this);
if (next == STATUS_RETURN)
{
ret = STATUS_RETURN;
break;
}
i = (next >= 0) ? next : i+1;
}
return ret;
}