mdebray/tvl-depot
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions
tvl-depot/tvix/eval/docs/builtins.md

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

139 lines
8.4 KiB
Markdown
Raw Normal View History

docs(tvix/eval): add an overview of all builtins in Nix Change-Id: Ie187f3317046c6c9e59852d4a128f25ceed99309 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6252 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-08-24 13:24:57 +02:00
Nix builtins
============
Nix has a lot of built-in functions, some of which are accessible in
the global scope, and some of which are only accessible through the
global `builtins` attribute set.
This document is an attempt to track all of these builtins, but
without documenting their functionality.
See also https://nixos.org/manual/nix/stable/expressions/builtins.html
docs(tvix/eval): builtins.md: note implementation status We're getting close to the finish line, folks. I went through the list of builtins and there are only 33 that remain unimplemented. I've marked them, and indicated which are ready to be implemented vs which are waiting for other things. We can delete this column from the table once everything is implemented. Signed-off-by: Adam Joseph <adam@westernsemico.com> Change-Id: Idfaef93283536288b12e59aef5c3e1cd139bd133 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7140 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2022-10-30 21:42:29 +01:00
The `impl` column indicates implementation status in tvix:
- implemented: "" (empty cell)
- not yet implemented, but not blocked: `todo`
- not yet implemented, but blocked by other prerequisites:
- `store`: awaiting eval<->store api(s)
- `context`: awaiting support for string contexts
| name | global | arity | pure | impl |
|-------------------------------|--------|-------|-------|---------|
| abort | true | 1 | | |
| add | false | 2 | true | |
| addErrorContext | false | ? | | context |
| all | false | 2 | true | |
| any | false | 2 | true | |
| appendContext | false | ? | | context |
| attrNames | false | 1 | true | |
| attrValues | false | | true | |
| baseNameOf | true | | | |
| bitAnd | false | | | |
| bitOr | false | | | |
| bitXor | false | | | |
| builtins | true | | | |
| catAttrs | false | | | |
| compareVersions | false | | | |
| concatLists | false | | | |
| concatMap | false | | | |
| concatStringsSep | false | | | |
| currentSystem | false | | | |
| currentTime | false | | false | |
| deepSeq | false | | | |
| derivation | true | | | store |
| derivationStrict | true | | | store |
| dirOf | true | | | |
| div | false | | | |
| elem | false | | | |
| elemAt | false | | | |
| false | true | | | |
| fetchGit | true | | | store |
| fetchMercurial | true | | | store |
| fetchTarball | true | | | store |
| fetchurl | false | | | store |
| filter | false | | | |
| filterSource | false | | | store |
| findFile | false | | false | todo |
| foldl' | false | | | |
| fromJSON | false | | | |
| fromTOML | true | | | |
| functionArgs | false | | | |
| genList | false | | | |
| genericClosure | false | | | todo |
| getAttr | false | | | |
feat(tvix/eval): implement `getContext` primop Change-Id: I2c5068a28f9883a01b0ff80a5e5ab32ba18bfc1a Reviewed-on: https://cl.tvl.fyi/c/depot/+/10437 Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: raitobezarius <tvl@lahfa.xyz> Tested-by: BuildkiteCI
2023-12-26 02:18:33 +01:00
| getContext | false | | | |
docs(tvix/eval): builtins.md: note implementation status We're getting close to the finish line, folks. I went through the list of builtins and there are only 33 that remain unimplemented. I've marked them, and indicated which are ready to be implemented vs which are waiting for other things. We can delete this column from the table once everything is implemented. Signed-off-by: Adam Joseph <adam@westernsemico.com> Change-Id: Idfaef93283536288b12e59aef5c3e1cd139bd133 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7140 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2022-10-30 21:42:29 +01:00
| getEnv | false | | false | |
| hasAttr | false | | | |
feat(tvix/eval): implement `hasContext` primop `hasContext` is now functional. Change-Id: I23b128afc9150b833bc0d9b042d31fee35badadb Reviewed-on: https://cl.tvl.fyi/c/depot/+/10422 Tested-by: BuildkiteCI Autosubmit: raitobezarius <tvl@lahfa.xyz> Reviewed-by: tazjin <tazjin@tvl.su>
2023-12-25 22:06:52 +01:00
| hasContext | false | | | |
docs(tvix/eval): builtins.md: note implementation status We're getting close to the finish line, folks. I went through the list of builtins and there are only 33 that remain unimplemented. I've marked them, and indicated which are ready to be implemented vs which are waiting for other things. We can delete this column from the table once everything is implemented. Signed-off-by: Adam Joseph <adam@westernsemico.com> Change-Id: Idfaef93283536288b12e59aef5c3e1cd139bd133 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7140 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2022-10-30 21:42:29 +01:00
| hashFile | false | | false | todo |
| hashString | false | | | todo |
| head | false | | | |
| import | true | | | |
| intersectAttrs | false | | | |
| isAttrs | false | | | |
| isBool | false | | | |
| isFloat | false | | | |
| isFunction | false | | | |
| isInt | false | | | |
| isList | false | | | |
| isNull | true | | | |
| isPath | false | | | |
| isString | false | | | |
| langVersion | false | | | |
| length | false | | | |
| lessThan | false | | | |
| listToAttrs | false | | | |
| map | true | | | |
| mapAttrs | false | | | |
| match | false | | | |
| mul | false | | | |
| nixPath | false | | | todo |
| nixVersion | false | | | todo |
| null | true | | | |
| parseDrvName | false | | | |
| partition | false | | | |
| path | false | | sometimes | store |
| pathExists | false | | false | |
| placeholder | true | | | context |
| readDir | false | | false | |
| readFile | false | | false | |
| removeAttrs | true | | | |
| replaceStrings | false | | | |
| scopedImport | true | | | |
| seq | false | | | |
| sort | false | | | |
feat(tvix/eval): implement builtins.split This implements builtins.split, and passes eval-okay-regex-split.nix (which is moved out of notyetpassing). Signed-off-by: Adam Joseph <adam@westernsemico.com> Change-Id: Ieb0975da2058966c697ee0e2f5b3f26ccabfae57 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7143 Tested-by: BuildkiteCI Reviewed-by: grfn <grfn@gws.fyi>
2022-10-31 11:47:50 +01:00
| split | false | | | |
docs(tvix/eval): builtins.md: note implementation status We're getting close to the finish line, folks. I went through the list of builtins and there are only 33 that remain unimplemented. I've marked them, and indicated which are ready to be implemented vs which are waiting for other things. We can delete this column from the table once everything is implemented. Signed-off-by: Adam Joseph <adam@westernsemico.com> Change-Id: Idfaef93283536288b12e59aef5c3e1cd139bd133 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7140 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2022-10-30 21:42:29 +01:00
| splitVersion | false | | | |
| storeDir | false | | | store |
| storePath | false | | | store |
| stringLength | false | | | |
| sub | false | | | |
| substring | false | | | |
| tail | false | | | |
| throw | true | | | |
| toFile | false | | | store |
| toJSON | false | | | todo |
| toPath | false | | | |
| toString | true | | | |
| toXML | false | | | todo |
| trace | false | | | |
| true | true | | | |
| tryEval | false | | | |
| typeOf | false | | | |
| unsafeDiscardOutputDependency | false | | | context |
| unsafeDiscardStringContext | false | | | context |
| unsafeGetAttrPos | false | | | todo |
| valueSize | false | | | todo |
docs(tvix/eval): add an overview of all builtins in Nix Change-Id: Ie187f3317046c6c9e59852d4a128f25ceed99309 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6252 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-08-24 13:24:57 +02:00
docs(tvix/eval): add a list of builtins added in Nix >= 2.4 `builtins.getFlake` doesn't interest us, of course, but some others may be worth (or easy) to implement. They are pretty low priority, though, since nixpkgs has compatiblity wrappers for the ones it uses. The new debugging-related builtins (break and traceVerbose) are interesting to note, but may not make sense to implement at all. Change-Id: Icae547aa3bd9d6ee6b87897ba8210eb9b9b044c7 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6332 Tested-by: BuildkiteCI Autosubmit: sterni <sternenseemann@systemli.org> Reviewed-by: tazjin <tazjin@tvl.su>
2022-09-04 22:28:42 +02:00
## Added after C++ Nix 2.3 (without Flakes enabled)
docs(tvix/eval): builtins.md: note implementation status We're getting close to the finish line, folks. I went through the list of builtins and there are only 33 that remain unimplemented. I've marked them, and indicated which are ready to be implemented vs which are waiting for other things. We can delete this column from the table once everything is implemented. Signed-off-by: Adam Joseph <adam@westernsemico.com> Change-Id: Idfaef93283536288b12e59aef5c3e1cd139bd133 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7140 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2022-10-30 21:42:29 +01:00
| name | global | arity | pure | impl |
|---------------|--------|-------|-------|-------|
| break | false | 1 | | todo |
| ceil | false | 1 | true | |
| fetchTree | true | 1 | | todo |
| floor | false | 1 | true | |
| groupBy | false | 2 | true | |
| traceVerbose | false | 2 | | todo |
| zipAttrsWith | false | 2 | true | todo |
Reference in a new issue Copy permalink