Can a jump label be a variable?

 integer lbl; 
jump lbl;
 
@1;
<code>
return;
 
@2;
<code>
return;
 
@3;
<code>
return;
 
etc etc

 jump lbl; 
 
@1;
 
@2;
 
@3;

 if {lbl == 1} then 
...
 
if {lbl == 2} then
...
 
if {lbl == 3} then

1: Print "Hi There"
2: Pause 30
3: GOTO 1

if (str == "open")   { open ();  return;}
if (str == "close")  { close (); return;}
if (str == "lock")   { lock ();  return;}
if (str == "unlock") { unlock ();return;}
return;

open()
{
    llOwnerSay("Open");
}
close()
{
    llOwnerSay("Close");
}
test()
{
    llOwnerSay("Test");
}
blah()
{
    llOwnerSay("Blah");
}
default
{
    state_entry()
    {
        llListen(1, "", llGetOwner(), "");
        llOwnerSay((string)llGetFreeMemory());
    }
    listen(integer chan, string name, key id, string msg)
    {
        llOwnerSay((string)llGetFreeMemory());
        if(msg=="open")
        {
            open();
        } else if(msg=="close")
        {
            close();
        } else if(msg=="test")
        {
            test();
        } else if(msg=="blah")
        {
            blah();
        }
    }
}

[9:13]  Object: 15669
[9:13]  Object: 15635
[9:13]  Object: Blah
[9:13]  Object: 15622
[9:13]  Object: Test
[9:13]  Object: 15622
[9:13]  Object: Test
[9:14]  Object: 15622
[9:14]  Object: Blah
[9:14]  Object: 15622
[9:14]  Object: Close
[9:14]  Object: 15621
[9:14]  Object: Open
[9:14]  Object: 15621
[9:14]  Object: Open
[9:14]  Object: 15621
[9:14]  Object: Close

[9:15]  Object: 15674
[9:15]  Object: 15640
[9:15]  Object: Blah
[9:15]  Object: 15627
[9:15]  Object: Blah
[9:15]  Object: 15627
[9:15]  Object: Blah
[9:15]  Object: 15627
[9:15]  Object: Open
[9:16]  Object: 15627
[9:16]  Object: Close
[9:16]  Object: 15626
[9:16]  Object: Test
[9:16]  Object: 15626
[9:16]  Object: Test

@loop;
    --x;
    doSomething(x);
if (x > 0) jump loop;

@loop;
--x;
doSomething(x);
if (x > 0) jump loop;

 while ( x-- > 0 ) { doSomething(x); }

"jump" method: 6.526 seconds 
"while" method: 6.247 seconds

list lstSearch = ["ani1", "ani2", "ani3", "ani4"];
list lstAnimations = ["Dance1", "Dance2", "JumboDance", "Freakish"];

myfunction(string test)
{
  integer index = llListFindList(lstSearch, test);
  if (index >= 0)
  {
    string animation = llList2String(lstAnimation, index);
    llStartAnimation(animation);
  }
}

integer len = llStringLength(x);
if (len == 4){
  if (x == "open") { ...
}else if (len == 5) {
 if (x = "close") { ...
}

#define concat(a, b) a##b
#define COMPILERHACK(a) jump concat(in,a); jump concat(end,a); @concat(in,a);
#define COMPILERHACKEND(a) @concat(end,a)

if (a)
{}
else if(b)//throws error on this line (pretend)
{}
else if(c)
{}

if (a)
{}
else COMPILERHACK(1) if(b)//makes error go away and logic is valid.
{}
else if(c)
{}
COMPILERHACKEND(1);