<< 14-06-2017 >>
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02:24:08FromGitter<ivanflorentin> is there an easy way to use nim as a scripting language? i mean, full nim.
02:24:57FromGitter<ivanflorentin> mostly to replace bash scripts
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03:48:49skrylarbleh
03:49:02skrylarstill working on a module to get nim working with elementaryos stuff
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06:08:52Araqivanflorentin: that's what I do all the time, but what is there to "know" about it?
06:09:35Araqmaybe you want to use 'nake' for it
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08:32:04FromGitter<zacharycarter> is there anything like stat for files
08:36:22ftsfzacharycarter https://nim-lang.org/docs/posix.html#stat,cstring,Stat ?
08:36:43ftsfstat does a lot of stuff, what kind of info are you wanting?
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09:02:43krux02Araq: Do you know rlwrap on Linux? Using "rlwrap nim secret" provides a basic GNU readline integration that is already better than if it had linenoise integration.
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09:22:57FromGitter<zacharycarter> thanks ftsf I'm just going to watch a file instead I think it' easier
09:30:59ftsfzachary are you testing when the file was last modified or something?
09:31:20FromGitter<zacharycarter> yeah
09:31:39ftsfhttps://nim-lang.org/docs/os.html#getLastModificationTime,string ?
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09:42:31FromGitter<zacharycarter> meh I'm giving up on it anyway
09:42:46FromGitter<zacharycarter> Nim doesn't want me to have hot reloadable game code yet
09:42:54FromGitter<zacharycarter> not in an easy way anyway
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09:47:07FromGitter<zacharycarter> I like def-pri-pub's article on hot reloading Nim code but it doesn't seem very workable outside the example he's constructed
09:47:36Araqkrux02: no I wasn't aware of this tool, much appreciated thanks
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10:32:49ArrrrYou could try lua instead https://github.com/jangko/nimLUA
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10:55:50ftsfzacharycarter, compile to dll/so and load/unload?
10:58:33FromGitter<zacharycarter> ftsf: I've tried that but watching the dll in another thread introduces all sorts of complexity
10:59:30ftsfhmm what kind of problems?
10:59:41ftsfcan't set some kind of flag from the other thread to tell it to reload in the main thread?
10:59:50AraqI'd give Nim's VM a try though you probably need to add all kinds of things
11:01:26FromGitter<zacharycarter> ftsf: I've done that but with calling updates at 60fps and trying to unload / reload the dll things don't work exactly as expected
11:01:42FromGitter<zacharycarter> also passing state between the libs apparently is more complex than I thought as well
11:01:50FromGitter<zacharycarter> Araq: any more info on Nim's VM?
11:02:16FromGitter<zacharycarter> like where it resides etc
11:02:22Araqcheck out nimedit's source code perhaps
11:02:33Araqit uses the VM to load configs and scripting stuff
11:02:39FromGitter<zacharycarter> thank you
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12:15:58dom96Just in case you want more examples, Nimble does the same.
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12:23:25FromGitter<zacharycarter> thanks dom96
12:24:29ftsfzacharycarter, have you had any luck with android builds?
12:24:56FromGitter<zacharycarter> mmhmm
12:25:01FromGitter<zacharycarter> they're a pain though with the ndk
12:25:30ftsfmmm i'm trying to get my android builds working now
12:25:42ftsfit "builds" but doesn't run so far
12:25:46FromGitter<zacharycarter> hrm
12:25:55ftsfand not really sure how to get much info out of it
12:26:07FromGitter<zacharycarter> I used Android Studio and checked the debugger in there
12:26:11ftsfahh
12:26:14ftsfmaybe i'll try that
12:26:14FromGitter<zacharycarter> not sure if you're using android studio or not
12:26:29FromGitter<zacharycarter> at first I ran into all sorts of problems loading shared libraries etc
12:26:43ftsfnah, was just doing cmdline ndk-build and ant debug
12:28:10FromGitter<zacharycarter> gotcha
12:28:20ftsfwill see if android studio gives me more info
12:31:06FromGitter<zacharycarter> if not I can try to help more later this evening
12:39:21captainkraftThis might be a good opportunity to show off what Nim can do https://itch.io/jam/utility-jam
12:45:19FromGitter<TiberiumN> Is there any tutorial on wrapping .dll library?
12:45:26FromGitter<TiberiumN> I have all .h includes
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12:52:33FromGitter<TiberiumN> ah, I think I found it
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13:15:20captainkraftI just realized that jam goes through to July, so not only for weekend projects \o/
13:16:47ftsf=( just installed android studio and it broke my android sdk... damn
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13:23:46FromGitter<TiberiumN> How to properly use {.compile} pragma with multiple C files and headers?
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13:32:06dom96https://github.com/dom96/untar/blob/master/src/untar/gzip.nim#L4
13:32:07dom96Like that
13:33:45FromGitter<TiberiumN> and what is "zlib_$#.obj"?
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13:39:17FromGitter<TiberiumN> For now ⏎ {.compile: "./src/*.c".} ⏎ gives me "Error: unhandled exception: cannot open: ./src/*.c [IOError]"
13:39:18dom96the .obj filename it will be compiled to
13:39:27FromGitter<TiberiumN> but there's src folder
13:39:37FromGitter<TiberiumN> Error: unhandled exception: cannot open: ./src/<asterisk>.c [IOError]
13:40:28FromGitter<TiberiumN> I'm on Windows
13:40:42ftsfis * supported?
13:40:53ftsffor {.compile.} ? it's not mentioned in the docs
13:41:07krux02ftsf the * is a shell expansion
13:41:12ftsfspecify all the files explicitly?
13:41:22ftsfkrux02, yes, but is that supported for compile?
13:41:44krux02no
13:41:49krux02because compile is not the shell
13:42:11krux02if you want to run compile on a lot of files you need to put them in all manually
13:42:18ftsfyeah, that's what i thought
13:42:25FromGitter<TiberiumN> but how this works then?
13:42:25FromGitter<TiberiumN> https://github.com/dom96/untar/blob/master/src/untar/gzip.nim
13:42:35krux02or you run something at compiletime and then emit the compile pragmas in your code
13:42:49ftsfTiberiumN does it work?
13:42:55dom96it is supported by the compiler.
13:42:56krux02you can generate that part of the code though
13:43:33dom96the shell has nothing to do with it
13:45:02captainkraftIs there an intro to metaprogramming in Nim somewhere? Most of what I've come across barely scratches the surface.
13:45:28krux02ls *.c | sed 's/.*/{. compile: "\0".}/'
13:46:00krux02captainkraft: well it is mostly learning by doing
13:46:17krux02I learned it by looking at the api and try things out
13:46:21FromGitter<TiberiumN> I can confirm
13:46:31dom96my book has a chapter on metaprogramming, but I'm afraid you'll need to buy it :)
13:47:44krux02I already though of writing something about metaprogramming and also introducing the very good use of the `quote do:' that has now been removed from the language
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13:51:59captainkraftdom96: oh yeah! I forgot that I have it. I'm still waiting on the hard copy, dammit :-P
13:52:17Araqtiberium: give the .compile pragma a tuple ("src_pattern", "destpattern")
13:52:40dom96captainkraft: I emailed my publisher today asking for an update. It's all in their hands now and I don't have an ETA :(
13:54:17FromGitter<TiberiumN> and now I have "lnk2019 unresolved external symbol" ⏎ I'm trying to .importc things from these source files I've compiled with {.compile.} pragma
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14:28:28Araqwhat symbol is unresolved?
14:28:56Araqcheckout my ui/libui wrapper to see what might be required to get everything to link
14:49:31FromGitter<TiberiumN> I'm trying to compile all .c files into one executable
14:49:44FromGitter<TiberiumN> And use functions from them in Nim
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14:58:12Araqthat was clear, yes.
15:12:15FromGitter<TiberiumN> I'm trying to compile this library - https://github.com/TransitApp/easylzma ⏎ I want to use only one function from it - https://github.com/TransitApp/easylzma/blob/master/src/easylzma/simple.h#L29
15:18:20FromGitter<TiberiumN> I was trying to find pure-python simple LZMA implementation to rewrite it in Nim, but I didn't found any
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15:25:14Araqand what's the linker error message exactly?
15:26:13FromGitter<TiberiumN> I'll try to clone a clear easylzma and try again
15:35:34FromGitter<TiberiumN> https://transfer.sh/teOh0/OsuReplay.zip ⏎ This is easylzma cloned repo and "testnim.nim" file which I'm trying to compile ⏎ ⏎ I've also changed include paths in easylzma/src/easylzma/compress.h and decompress.h from "easylzma/common.h" to "common.h" ⏎ And also in this folder in simple.h removed "easylzma/" from includes [https://gitter.im/nim-lang/Nim?at=594157c5e531dbc905e1fc18]
15:35:44FromGitter<TiberiumN> I'm trying to use functions from easylzma/src/easylzma/simple.h
15:36:52FromGitter<TiberiumN> lol, I compiled it using hacky solution: ⏎ copied all files from easylzma/src/easylzma/ to nimcache folder
15:37:05FromGitter<TiberiumN> and added header: "simple.h"
15:37:16FromGitter<TiberiumN> {.header: "simple.h"} pragma in testnim.nim
15:38:18FromGitter<TiberiumN> also I don't know how to call simpleDecompress in the right way
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15:44:38FromGitter<Varriount> @TiberiumN What do you mean?
15:45:35FromGitter<TiberiumN> I'm trying to use simpleComress with my hacky solution to compile this nim file, and it throws illegal storage error
15:46:02FromGitter<TiberiumN> I've added in testnim.nim: ⏎ ⏎ ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=59415a3a6549436c7d491a0f]
15:46:57FromGitter<TiberiumN> And the error: ⏎ ⏎ ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=59415a71f31c8ced0c362dc7]
15:47:00FromGitter<Varriount> @TiberiumN Do you need to allocate a block of data for outdata?
15:47:11FromGitter<TiberiumN> I don't know how honestly
15:47:15FromGitter<Varriount> Most APIs I've used require an output buffer to be pre-allocated.
15:47:29FromGitter<TiberiumN> comments in simple.h says "dynamically allocated buffer"
15:47:36FromGitter<TiberiumN> "## compress a chunk of memory and return a dynamically allocated buffer ⏎ ⏎ ---if successful. return value is an easylzma error code"---
15:50:26FromGitter<TiberiumN> now I'm starting to think it would be faster to rewrite LZMA implementation from another language like JS: ⏎ https://github.com/yurydelendik/lzmajs
15:50:27FromGitter<Varriount> @TiberiumN Set the calling convention to cdecl
15:51:22FromGitter<TiberiumN> like this? {.importc, cdecl, header: "simple.h".}
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15:56:42FromGitter<Varriount> Yep. Although I think the 'header' file includes the header too
15:57:31FromGitter<TiberiumN> C compiler can't compile my code without header pragma
15:57:53FromGitter<TiberiumN> and even with cdecl program fails with the exact same error
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16:46:30Araqvar outData: ptr ptr cuchar # wrong
16:46:39Araqvar outData: ptr cuchar # ok
16:46:48Araqdiscard simpleCompress(format, inData, inLen, addr outData, outLen)
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17:07:01FromGitter<TiberiumN> Araq: sadly didn't helped. ⏎ Maybe this cast to ptr cuchar is wrong? ⏎ ⏎ ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=59416d35d83c50560c0a798a]
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17:09:21AraqtiberiumN: I'm pretty sure it helped but similar errors might be involved in the other ptr types
17:10:16FromGitter<TiberiumN> yes
17:10:19FromGitter<TiberiumN> you're right
17:10:32FromGitter<TiberiumN> I changed outLen to "var outLen: csize" and passed it to function like "addr outLen"
17:10:36FromGitter<TiberiumN> and program ended without any errors
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17:18:13FromGitter<TiberiumN> yay, it seems to work
17:18:39FromGitter<TiberiumN> but now I need to figure out how to compile stuff without moving some .h and .c files to nimcache
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17:30:37FromGitter<TiberiumN> ah, I did it
17:30:43FromGitter<TiberiumN> header: "../easylzma/src/easylzma/simple.h"
17:38:15FromGitter<TiberiumN> Thanks everyone!
17:40:53ArrrrI really need a thing to get fields from object variants and make a stand alone tuple
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19:38:29FromGitter<Varriount> Arrrr: macros.getTypeImpl?
19:39:37ArrrrHow does that work?
19:41:31FromGitter<Varriount> Use a macro to generate code that extracts the fields of a type to a tuple
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19:45:09ArrrrAh well, it is easier than i thought at first. I'll give it a try, thank you.
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20:05:47ArrrrIs it possible to make it retrieve the implementation if you pass a typedesc as a macro argument instead of directly typing the type into getTypeImpl?
20:06:21ArrrrI got `Sym "typeDesc"`
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20:20:03ArrrrWell, it seems i can instantiate and get the body from there ...
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