4.02.1 toplevel hang

[Stanislav Artemkin]

Hello,

I'm still experiencing problems with toplevel hangs in 4.02 (it seems it is
not fixed in 4.02.1).

I use utop with .ocamlinit (pretty similar to
http://janestreet.github.io/installation.html), but it is not related to
utop. Something wrong with camlp4.

The minimal steps to reproduce:

$ ocaml
OCaml version 4.02.1

# #load "dynlink.cma";;
# #load "camlp4o.cma";;
Camlp4 Parsing version 4.02.1

# #quit;;

... HANG...

I see this on Linux and Mac OS X.

Is there any workaround for this? I can't switch to 4.02 due to this issue.

Thanks

[Peter Zotov]

Post by Stanislav Artemkin
Hello,
I'm still experiencing problems with toplevel hangs in 4.02 (it seems
it is not fixed in 4.02.1).
I use utop with .ocamlinit (pretty similar to
http://janestreet.github.io/installation.html [1]), but it is not
related to utop. Something wrong with camlp4.
$ ocaml
OCaml version 4.02.1
# #load "dynlink.cma";;
# #load "camlp4o.cma";;
Camlp4 Parsing version 4.02.1
# #quit;;
... HANG...
I see this on Linux and Mac OS X.
Is there any workaround for this? I can't switch to 4.02 due to this issue.

Yes. Use utop. (You need to use "#camlp4o;;" to set the syntax in it.)

[Peter Zotov]

Post by Stanislav Artemkin
Hello,
I'm still experiencing problems with toplevel hangs in 4.02 (it seems
it is not fixed in 4.02.1).
I use utop with .ocamlinit (pretty similar to
http://janestreet.github.io/installation.html [1]), but it is not
related to utop. Something wrong with camlp4.
$ ocaml
OCaml version 4.02.1
# #load "dynlink.cma";;
# #load "camlp4o.cma";;
Camlp4 Parsing version 4.02.1
# #quit;;
... HANG...
I see this on Linux and Mac OS X.
Is there any workaround for this? I can't switch to 4.02 due to this issue.

Sorry, I should have been more clear. This is indeed a camlp4 issue.
If you switch to utop, then you will be able to do almost everything.
However, #quit;; specifically seems to still lead to this "hang"
(which is actually not a hang, it's just that the toplevel stops
interpreting ;; as the end of phrase, both for regular toplevel
and utop).

[Fabrice Le Fessant]

This is already referenced here, no ?

https://github.com/ocaml/camlp4/issues/48

--Fabrice

Post by Stanislav Artemkin
Hello,
I'm still experiencing problems with toplevel hangs in 4.02 (it seems it is
not fixed in 4.02.1).
I use utop with .ocamlinit (pretty similar to
http://janestreet.github.io/installation.html), but it is not related to
utop. Something wrong with camlp4.
$ ocaml
OCaml version 4.02.1
# #load "dynlink.cma";;
# #load "camlp4o.cma";;
Camlp4 Parsing version 4.02.1
# #quit;;
... HANG...
I see this on Linux and Mac OS X.
Is there any workaround for this? I can't switch to 4.02 due to this issue.
Thanks

--
Fabrice LE FESSANT
Chercheur en Informatique
INRIA Paris Rocquencourt -- OCamlPro
Programming Languages and Distributed Systems

[Stanislav Artemkin]

Yes, this is exactly the same. I thought it is addressed already.

It seems Utop and Ctrl-Z kill %1 is still the way to go.

Thanks

On Tue, Oct 21, 2014 at 2:06 PM, Fabrice Le Fessant <

Post by Fabrice Le Fessant
This is already referenced here, no ?
https://github.com/ocaml/camlp4/issues/48
--Fabrice

Post by Stanislav Artemkin
Hello,
I'm still experiencing problems with toplevel hangs in 4.02 (it seems it

is

Post by Stanislav Artemkin
not fixed in 4.02.1).
I use utop with .ocamlinit (pretty similar to
http://janestreet.github.io/installation.html), but it is not related to
utop. Something wrong with camlp4.
$ ocaml
OCaml version 4.02.1
# #load "dynlink.cma";;
# #load "camlp4o.cma";;
Camlp4 Parsing version 4.02.1
# #quit;;
... HANG...
I see this on Linux and Mac OS X.
Is there any workaround for this? I can't switch to 4.02 due to this

issue.

Post by Stanislav Artemkin
Thanks

--
Fabrice LE FESSANT
Chercheur en Informatique
INRIA Paris Rocquencourt -- OCamlPro
Programming Languages and Distributed Systems

[Jeremie Dimino]

It's fixed in the git repo. The new version should be in opam soon.

Post by Stanislav Artemkin
Yes, this is exactly the same. I thought it is addressed already.
It seems Utop and Ctrl-Z kill %1 is still the way to go.
Thanks
On Tue, Oct 21, 2014 at 2:06 PM, Fabrice Le Fessant <

Post by Fabrice Le Fessant
This is already referenced here, no ?
https://github.com/ocaml/camlp4/issues/48
--Fabrice

Post by Stanislav Artemkin
Hello,
I'm still experiencing problems with toplevel hangs in 4.02 (it seems

it is

Post by Stanislav Artemkin
not fixed in 4.02.1).
I use utop with .ocamlinit (pretty similar to
http://janestreet.github.io/installation.html), but it is not related

to

Post by Stanislav Artemkin
utop. Something wrong with camlp4.
$ ocaml
OCaml version 4.02.1
# #load "dynlink.cma";;
# #load "camlp4o.cma";;
Camlp4 Parsing version 4.02.1
# #quit;;
... HANG...
I see this on Linux and Mac OS X.
Is there any workaround for this? I can't switch to 4.02 due to this

issue.

Post by Stanislav Artemkin
Thanks

--
Fabrice LE FESSANT
Chercheur en Informatique
INRIA Paris Rocquencourt -- OCamlPro
Programming Languages and Distributed Systems