#ocaml on 2012-01-26 — irc logs at freenode.irclog.whitequark.org

2011-07-12 19:41 gildor changed the topic of #ocaml to: Discussions about the OCaml programming language | http://caml.inria.fr/ | OCaml 3.12.1 http://bit.ly/nNVIVH

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00:59 <dsheets> Are the semantics of the ocaml primitives documented anywhere? Particularly I am interested in re_search_forward

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02:05 <thelema_> dsheets: not so much, afaik

02:06 <dsheets> thelema_: hmm, ok. I adopted ocaml-re and stopped worrying about it. Developers can deal with 60k for JS for a non-native RE impl.

02:06 <thelema_> lol, pulling ocaml-re into js.

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02:07 <dsheets> Yeah, also Yojson and Atdgen runtime

02:07 <dsheets> But my compiler runs in a browser, now :-)

02:07 <thelema_> nice.

02:07 <dsheets> Had to disable Yojson.Biniou due to Bi_io.ml doing String.unsafe_get (Obj.magic 1.0) to detect floating point endianness

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07:15 <itewsh> Hello !

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07:28 <silver> hey-hey

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07:46 <Kakadu> Qrntzz: Hi! As far as I remember I 've want to get worked lablqt till February. :-) ANy news about JSon?

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09:31 <Drakken> How do you modify the camlp4 lexer?

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09:42 <Drakken> by which I mean, how can I make a camlp4 preprocessor with a (slightly) customized lexer?

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10:09 <malc_> anyone using mingw here?

10:11 <adrien> ask and see ;-)

10:12 <malc_> i did just that didn't i?

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10:37 <adrien> malc_: I mean: the exact question which relates to ming

10:37 <adrien> w

10:38 <malc_> Sys.rename fails one me when target file exists, with the error message telling me that the target exists

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10:57 <malc_> s;one;on

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11:12 <adrien> well, the doc says

11:12 <adrien> "If there is already another file under the new name, [rename] may replace it, or raise an exception, depending on your operating system."

11:12 <adrien> so it's really not unexpected

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11:31 <adrien> avsm: so, you're going to fosdem? :P

11:33 <avsm> adrien: guess so! i was conned into giving a talk

11:33 <avsm> ocaml beers? :)

11:33 <adrien> why not =)

11:33 <adrien> I'm wondering who else is going

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11:36 <malc_> adrien: thing is, there's special handling for that (MoveFileEx) in win32unix, i wonder why this particular (ifdefery) path wasn't taken

11:36 <adrien> malc_: Sys is not using os-dependant paths afaik

11:38 <malc_> adrien: uh.. right you are, i should be using Unix.rename not Sys one..

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13:57 <Drakken> does anyone know how to access the camlp4 lexer?

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14:08 <f[x]> Drakken, search the mailing list

14:08 <f[x]> it was discussed some time ago

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14:26 <Drakken> hmm... f[x] thank you. I found "Is it possible to extend OCaml lexer rules via Camlp4?": https://sympa-roc.inria.fr/wws/arc/caml-list/2011-11/msg00014.html

14:34 <Drakken> I'm surprised the lexer has gotten so little attention given how mature camlp4 is.

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14:38 <thelema_> it's best not to change the lexer, otherwise the resulting language is significantly different from plain ocaml

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18:21 <adrien> I think I found worse than debugging C binding for OCaml: C#

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18:23 <Kakadu> adrien: why?

18:24 <adrien> "Unhandled Exception: System.TypeLoadException: A type load exception has occurred."

18:24 <adrien> stracing mono revealed that I needed one assembly file to be placed somewhere else

18:25 <thelema_> I thought C#'s C bindings were "very nice"

18:25 <adrien> but the error itself meant nothing

18:25 <adrien> oh, I meant C# in general

18:25 <adrien> the error messages are pretty opaque

18:25 <thelema_> adrien: they're just written in a different language

18:27 <adrien> some exception really make no sense

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