On Fri, 06 Oct 2006 14:54:38 -0700, Dometz wrote:
> Unfortunately, I do have to care about bicyclist with brain damages.
> Since I am going to wrap IDL functions, I need to still return the same
> kind of error message as when the IDL function is called directly. I
> wish I wouldnt have to deal with invalid code but I have to.
> All I am trying to do is to make the wrapper functions as transparent
> to the user as possible. I dont care about avoiding errors if the user
> enters invalid arguments or not the right number of arguments. I just
> want to provide the user with the same error messages than he would
> have gotten if he didnt use the wrapper functions.
Languages like lisp allow you to "advise" functions to add this type of
functionality. I think Dometz wants a single magic super-duper
routine, which can take any number of arguments/keyword parameters, log
them, then pass them transparently on to the "real" routine. This is a
tall order. You can't concatenate all arguments into an array: what if
one is a float, and one is a string? If you really, really, really want
to go this route, you might try something like the one below (and a
similar wrap_function), limited to 25 arguments maximum.
JD
pro wrap_procedure,routine,v1,v2,v3,v4,v5,v6,v7,v8,v9,v10, $
v11,v12,v13,v14,v15,v16,v17,v18,v19,v20, $
v21,v22,v23,v24,v25,_REF_EXTRA=e
on_error,2
log_all,routine, v1,v2,v3,v4,v5,v6,v7,v8,v9,v10, $
v11,v12,v13,v14,v15,v16,v17,v18,v19,v20, $
v21,v22,v23,v24,v25,e
narg=n_params()-1
case narg of
0: call_procedure,routine,_STRICT_EXTRA=e
1: call_procedure,routine,v1,_STRICT_EXTRA=e
2: call_procedure,routine,v1,v2,_STRICT_EXTRA=e
3: call_procedure,routine,v1,v2,v3, $
_STRICT_EXTRA=e
4: call_procedure,routine,v1,v2,v3,v4, $
_STRICT_EXTRA=e
5: call_procedure,routine,v1,v2,v3,v4,v5, $
_STRICT_EXTRA=e
6: call_procedure,routine,v1,v2,v3,v4,v5,v6, $
_STRICT_EXTRA=e
7: call_procedure,routine,v1,v2,v3,v4,v5,v6,v7, $
_STRICT_EXTRA=e
8: call_procedure,routine,v1,v2,v3,v4,v5,v6,v7, $
v8,_STRICT_EXTRA=e
9: call_procedure,routine,v1,v2,v3,v4,v5,v6,v7, $
v8,v9,_STRICT_EXTRA=e
10: call_procedure,routine,v1,v2,v3,v4,v5,v6,v7, $
v8,v9,v10,_STRICT_EXTRA=e
11: call_procedure,routine,v1,v2,v3,v4,v5,v6,v7, $
v8,v9,v10,v11,_STRICT_EXTRA=e
12: call_procedure,routine,v1,v2,v3,v4,v5,v6,v7, $
v8,v9,v10,v11,v12,_STRICT_EXTRA=e
13: call_procedure,routine,v1,v2,v3,v4,v5,v6,v7, $
v8,v9,v10,v11,v12,v13,_STRICT_EXTRA=e
14: call_procedure,routine,v1,v2,v3,v4,v5,v6,v7, $
v8,v9,v10,v11,v12,v13,v14,_STRICT_EXTRA=e
15: call_procedure,routine,v1,v2,v3,v4,v5,v6,v7, $
v8,v9,v10,v11,v12,v13,v14,v15,_STRICT_EXTRA=e
16: call_procedure,routine,v1,v2,v3,v4,v5,v6,v7, $
v8,v9,v10,v11,v12,v13,v14,v15,v16,_STRICT_EXTRA=e
17: call_procedure,routine,v1,v2,v3,v4,v5,v6,v7, $
v8,v9,v10,v11,v12,v13,v14,v15,v16,v17,_STRICT_EXTRA=e
18: call_procedure,routine,v1,v2,v3,v4,v5,v6,v7, $
v8,v9,v10,v11,v12,v13,v14,v15,v16,v17,v18, $
_STRICT_EXTRA=e
19: call_procedure,routine,v1,v2,v3,v4,v5,v6,v7, $
v8,v9,v10,v11,v12,v13,v14,v15,v16,v17,v18,v19, $
_STRICT_EXTRA=e
20: call_procedure,routine,v1,v2,v3,v4,v5,v6,v7, $
v8,v9,v10,v11,v12,v13,v14,v15,v16,v17,v18,v19,v20, $
_STRICT_EXTRA=e
21: call_procedure,routine,v1,v2,v3,v4,v5,v6,v7, $
v8,v9,v10,v11,v12,v13,v14,v15,v16,v17,v18,v19,v20,v21, $
_STRICT_EXTRA=e
22: call_procedure,routine,v1,v2,v3,v4,v5,v6,v7, $
v8,v9,v10,v11,v12,v13,v14,v15,v16,v17,v18,v19,v20,v21, $
v22,_STRICT_EXTRA=e
23: call_procedure,routine,v1,v2,v3,v4,v5,v6,v7, $
v8,v9,v10,v11,v12,v13,v14,v15,v16,v17,v18,v19,v20,v21, $
v22,v23,_STRICT_EXTRA=e
24: call_procedure,routine,v1,v2,v3,v4,v5,v6,v7, $
v8,v9,v10,v11,v12,v13,v14,v15,v16,v17,v18,v19,v20,v21, $
v22,v23,v24,_STRICT_EXTRA=e
25: call_procedure,routine,v1,v2,v3,v4,v5,v6,v7, $
v8,v9,v10,v11,v12,v13,v14,v15,v16,v17,v18,v19,v20,v21, $
v22,v23,v24,v25,_STRICT_EXTRA=e
endcase
end
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