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* explicitly import using `std/` in `tempfiles.nim` (#22851)Vindaar2023-10-201-1/+1
| | | | | At least on modern Nim `tempfiles` is not usable if the user has https://github.com/oprypin/nim-random installed, because the compiler picks the nimble path over the stdlib path (apparently).
* fixes #22844; uses arrays to store holeyenums for iterations; much more ↵ringabout2023-10-201-1/+1
| | | | | efficient than sets and reasonable for holeyenums (#22845) fixes #22844
* fix #22834 (#22843)rockcavera2023-10-201-9/+38
| | | | | | | fix #22834 Edit: also fixes `result.addrList` when IPv6, which previously only performed a `result.addrList = cstringArrayToSeq(s.h_addr_list)` which does not provide the textual representation of an IPv6
* fixes #22836; Unnecessary warning on 'options.none' with 'strictDefs'… ↵ringabout2023-10-181-1/+1
| | | | | | | (#22837) … enabled fixes #22836
* the compiler can be compiled with vcc (#22832)Juan M Gómez2023-10-161-1/+1
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* NIR: store sizes, alignments and offsets in the type graph; beginning… ↵Andreas Rumpf2023-10-162-1/+4
| | | | | (#22822) …s of a patent-pending new VM
* NIR: progress (#22817)Andreas Rumpf2023-10-121-0/+3
| | | | | | Done: - [x] Implement conversions to openArray/varargs. - [x] Implement index/range checking.
* NIR: Nim intermediate representation (#22777)Andreas Rumpf2023-10-117-30/+41
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Theoretical Benefits / Plans: - Typed assembler-like language. - Allows for a CPS transformation. - Can replace the existing C backend by a new C backend. - Can replace the VM. - Can do more effective "not nil" checking and static array bounds checking. - Can be used instead of the DFA. - Easily translatable to LLVM. - Reasonably easy to produce native code from. - Tiny memory consumption. No pointers, no cry. **In very early stages of development.** Todo: - [x] Map Nim types to IR types. - [ ] Map Nim AST to IR instructions: - [x] Map bitsets to bitops. - [ ] Implement string cases. - [ ] Implement range and index checks. - [x] Implement `default(T)` builtin. - [x] Implement multi string concat. - [ ] Write some analysis passes. - [ ] Write a backend. - [x] Integrate into the compilation pipeline.
* fixes #22790; use cast suppress AnyEnumConv warnings for enums withou… ↵ringabout2023-10-111-4/+13
| | | | | | | (#22813) …t holes fixes #22790
* use lent for the return value of index accesses of tables (#22812)ringabout2023-10-111-2/+2
| | | ref https://forum.nim-lang.org/t/10525
* Add getCursorPos() to std/terminal (#22749)Matt Rixman2023-10-081-1/+47
| | | | | | | | | | | This would be handy for making terminal apps which display content below the prompt (e.g. `fzf` does this). Need to test it on windows before I remove "draft" status. --------- Co-authored-by: Matt Rixman <MatrixManAtYrService@users.noreply.github.com> Co-authored-by: Andreas Rumpf <rumpf_a@web.de>
* remove the O(n*n) `addUnique` one from std (#22799)ringabout2023-10-061-12/+0
| | | | It's not used in the compiler, besides, it doesn't seem to be a common operation. Follows the discussion on the Discord.
* fixes #22711; Check atomicArc for atomic destroy race condition (#22788)ringabout2023-10-041-8/+15
| | | | | fixes #22711 Per @elcritch's awesome solution
* document `atomicInc` and `atomicDec` (#22789)ringabout2023-10-041-0/+2
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* fixes #22778 regression: contentLength implementation type mismatched (#22780)ringabout2023-10-031-1/+1
| | | | fixes #22778 follow up https://github.com/nim-lang/Nim/pull/19835
* Fix IndexDefect in asyncfile.readLine (#22774)CMD2023-10-011-0/+2
| | | | `readLine` proc in asyncfile module caused IndexDefect when it reached EoF. Now it returns empty string instead.
* copyFile with POSIX_FADV_SEQUENTIAL (#22776)Juan Carlos2023-10-011-0/+8
| | | | | | | | | | | - Continuation of https://github.com/nim-lang/Nim/pull/22769 - See https://pubs.opengroup.org/onlinepubs/9699919799/functions/posix_fadvise.html - The code was already there in `std/posix` since years ago. 3 line diff. --------- Co-authored-by: Andreas Rumpf <rumpf_a@web.de>
* docs: add another switch example for nimscript (#22772)daylin2023-09-301-0/+1
| | | | | I couldn't find any documentation on the syntax for --hint:X:on|off with `nimscript` except in [this old forum post](https://forum.nim-lang.org/t/8526#55236).
* fixes #22554; makes `newSeqWith` use `newSeqUninit` (#22771)ringabout2023-09-302-7/+13
| | | fixes #22554
* copyFile with bufferSize instead of hardcoded value (#22769)Juan Carlos2023-09-301-9/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - `copyFile` allows to specify `bufferSize` instead of hardcoded wrong value. Tiny diff. # Performance - 1200% Performance improvement. # Check it yourself Execute: ```bash for i in $(seq 0 10); do bs=$((1024*2**$i)) printf "%7s Kb\t" $bs timeout --foreground -sINT 2 dd bs=$bs if=/dev/zero of=/dev/null 2>&1 | sed -n 's/.* \([0-9.,]* [GM]B\/s\)/\1/p' done ``` (This script can be ported to PowerShell for Windows I guess, it works in Windows MinGW Bash anyways). # Stats - Hardcoded `8192` or `8000` Kb bufferSize gives `5` GB/s. - Setting `262144` Kb bufferSize gives `65` GB/s (script suggestion). --------- Co-authored-by: Andreas Rumpf <rumpf_a@web.de>
* fixes #22696; func `strutils.join` for non-strings uses proc `$` which can ↵ringabout2023-09-301-1/+1
| | | | | | | | have side effects (#22770) fixes #22696 partially revert https://github.com/nim-lang/Nim/pull/16281 `join` calls `$` interally, which might introduce a sideeffect call.
* deprecates `newSeqUninitialized` replaced by `newSeqUninit` (#22739)ringabout2023-09-292-4/+29
| | | | | | | ref #19727 closes #22586 https://github.com/nim-lang/Nim/issues/22554 needs it to move on. `newSeqUnsafe` can be introduced later.
* ref #19727; implement `setLenUninit` for seqsv2 (#22767)ringabout2023-09-281-0/+24
| | | ref #19727
* Removed `localStorage.hasKey` binding (#22766)Thiago2023-09-281-1/+0
| | | | | | | | Doesn't exists anymore. Use `window.localStorage.getItem("key").isNil` instead ![Screenshot from 2023-09-28 07-22-41](https://github.com/nim-lang/Nim/assets/74574275/65d58921-58c7-4a81-9f3b-5faa3a79c4f2)
* Fix #21407 (#22759)Juan Carlos2023-09-281-0/+8
| | | | | | | - Fix #21407 --------- Co-authored-by: Amjad Ben Hedhili <amjadhedhili@outlook.com>
* Make `newStringUninit` available in the VM [backport] (#22748)Amjad Ben Hedhili2023-09-251-9/+12
| | | It's equivalent to `newString`.
* Add magic toOpenArrayChar (#22751)SirOlaf2023-09-241-0/+3
| | | | | | Should help with stuff like the checksums package which only takes `openArray[char]` Co-authored-by: SirOlaf <>
* Fix `newStringUninit` not setting the '\0' terminator [backport] (#22746)Amjad Ben Hedhili2023-09-231-2/+6
| | | Causes problems when working with `cstring`s.
* Initialize `newString` in js [backport:1.6] (#22745)Amjad Ben Hedhili2023-09-231-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | ```nim echo newString(8) ``` results in: ``` D:\User\test.js:25 var code_33556944 = c_33556931.toString(16); ^ TypeError: Cannot read properties of undefined (reading 'toString') at toJSStr (D:\User\test.js:25:50) at rawEcho (D:\User\test.js:70:16) at Object.<anonymous> (D:\User\test.js:101:1) at Module._compile (node:internal/modules/cjs/loader:1095:14) at Object.Module._extensions..js (node:internal/modules/cjs/loader:1147:10) at Module.load (node:internal/modules/cjs/loader:975:32) at Function.Module._load (node:internal/modules/cjs/loader:822:12) at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:81:12) at node:internal/main/run_main_module:17:47 Node.js v17.0.1 Error: execution of an external program failed: '"C:\Program Files\nodejs\node.exe" --unhandled-rejections=strict D:\User\test.js' ```
* Make `newStringUninit` available on the js backend [backport] (#22743)Amjad Ben Hedhili2023-09-231-0/+3
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* fixes #22519; DocGen does not work for std/times on JS backend (#22738)ringabout2023-09-221-3/+3
| | | fixes #22519
* moves `addUnique` to `std/sequtils` (#22734)Juan M Gómez2023-09-211-0/+28
| | | Co-authored-by: Andreas Rumpf <rumpf_a@web.de>
* fixes #22687; js backend - std/bitops/bitsliced throws compile error … ↵ringabout2023-09-211-1/+1
| | | | | | | (#22722) …in typeMasked fixes #22687
* items, pairs and friends now use `unCheckedInc` (#22729)ringabout2023-09-201-26/+31
| | | | | | | | | | | | `{.push overflowChecks: off.}` works in backends. Though it could be implemented as a magic function. By inspecting the generated C code, the overflow check is eliminated in the debug or release mode. ![image](https://github.com/nim-lang/Nim/assets/43030857/49c3dbf4-675e-414a-b972-b91cf218c9f8) Likewise, the index checking is probably not needed.
* make parseEnum skip type aliases for enum type sym (#22727)metagn2023-09-191-1/+2
| | | fixes #22726
* Fix `capacity` for const and shallow [backport] (#22705)Amjad Ben Hedhili2023-09-184-8/+8
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* Add descriptions and examples for `rawProc` and `rawEnv` (#22710)sls10052023-09-181-1/+31
| | | | | | | | | | Add descriptions for `rawProc` and `rawEnv`. See <https://forum.nim-lang.org/t/10485> for more informations. --------- Co-authored-by: ringabout <43030857+ringabout@users.noreply.github.com> Co-authored-by: Juan Carlos <juancarlospaco@gmail.com> Co-authored-by: Andreas Rumpf <rumpf_a@web.de>
* Update osfiles.nim, make `moveFile` consider permission on *nix (#22719)litlighilit2023-09-181-1/+1
| | | see https://github.com/nim-lang/Nim/issues/22674
* fixes incorrect cint overflow in system (#22718)ringabout2023-09-182-2/+2
| | | fixes #22700
* followup of #22568 (#22690)Amjad Ben Hedhili2023-09-141-24/+17
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* Make capacity work with refc [backport] (#22697)Amjad Ben Hedhili2023-09-133-11/+26
| | | followup of #19771.
* Remove some unnecessary initialization in `seq` operations (#22677)Amjad Ben Hedhili2023-09-101-7/+35
| | | | | | | | | | | | * `PrepareSeqAdd` * `add` * `setLen` * `grow` Merge after #21842. --------- Co-authored-by: ringabout <43030857+ringabout@users.noreply.github.com>
* Make `newSeqOfCap` not initialize memory. (#21842)Amjad Ben Hedhili2023-09-093-3/+12
| | | | | | | It's used in `newSeqUninitialized`. --------- Co-authored-by: ringabout <43030857+ringabout@users.noreply.github.com>
* fixes #22664; guard against potential seqs self assignments (#22671)ringabout2023-09-081-0/+6
| | | fixes #22664
* Remove some unnecessary initialization in string operations (#22579)Amjad Ben Hedhili2023-09-071-37/+61
| | | | | | | | * `prepareAdd` * `toNimStr` * `setLengthStrV2` * `NimAsgnStrV2` * `prepareMutation` * Some cleanups
* Add `hasDefaultValue` type trait (#22636)Amjad Ben Hedhili2023-09-041-0/+17
| | | Needed for #21842.
* docgen: add Pandoc footnotes (fixes #21080) (#22591)Andrey Makarov2023-09-031-85/+136
| | | | | | | | | | This implements Pandoc Markdown-style footnotes, that are compatible with Pandoc referencing syntax: Ref. [^ftn]. [^ftn]: Block. See https://pandoc.org/MANUAL.html#footnotes for more examples.
* deprecate `std/threadpool`; use `malebolgia`, `weave`, `nim-taskpool` ↵ringabout2023-08-291-0/+2
| | | | | | | | | | | instead (#22576) * deprecate `std/threadpool`; use `malebolgia` instead * Apply suggestions from code review * Apply suggestions from code review * change the URL of inim
* fixes #22555; implements `newStringUninit` (#22572)ringabout2023-08-291-22/+36
| | | | | | | | | | | | | * fixes newStringUninitialized; implement `newStringUninitialized` * add a simple test case * adds a changelog * Update lib/system.nim * Apply suggestions from code review rename to newStringUninit
* fixes broken nightlies; follow up #22544 (#22585)ringabout2023-08-291-1/+1
| | | | | ref https://github.com/nim-lang/nightlies/actions/runs/5970369118/job/16197865657 > /home/runner/work/nightlies/nightlies/nim/lib/pure/os.nim(678, 30) Error: getApplOpenBsd() can raise an unlisted exception: ref OSError
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