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2022-10-04 r/5034 refactor(tvix/eval): remove unnecessary clones in compilerVincent Ambo3-150/+146
There's basically nothing that needs *ownership* of an AST node (which is just a little box full of references to other things anyways), so we can thread this through as references all the way. Change-Id: I35a1348a50c0e8e07d51dfc18847829379166fbf Reviewed-on: https://cl.tvl.fyi/c/depot/+/6853 Tested-by: BuildkiteCI Reviewed-by: grfn <grfn@gws.fyi>
2022-10-04 r/5033 refactor(tvix/eval): split observer traits in twoVincent Ambo3-18/+22
There are actually two different types of observers, the ones that observe the compiler (and emitted chunks from different kinds of expressions), and the ones that trace runtime execution. Use of the NoOpObserver is unchanged, it simply implements both traits. Change-Id: I4277b82674c259ec55238a0de3bb1cdf5e21a258 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6852 Tested-by: BuildkiteCI Reviewed-by: grfn <grfn@gws.fyi>
2022-10-04 r/5032 feat(tvix/eval): use fancy error formatting in REPLVincent Ambo3-9/+16
Change-Id: I8d5652d797b012bc3d5248ca2b2d0c87572dbf2e Reviewed-on: https://cl.tvl.fyi/c/depot/+/6851 Tested-by: BuildkiteCI Reviewed-by: wpcarro <wpcarro@gmail.com>
2022-10-04 r/5028 fix(tvix/eval): forward thunk error codes from inner errorsVincent Ambo1-1/+7
Until we can display a chained representatino of errors in thunks, it is most useful to forward the error code from the innermost error to the user. Change-Id: I8d67254d52313be40387f080e57966c001e0d51c Reviewed-on: https://cl.tvl.fyi/c/depot/+/6854 Reviewed-by: sterni <sternenseemann@systemli.org> Autosubmit: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-10-04 r/5027 feat(tvix/eval): implement `builtins.currentTime`Vincent Ambo1-2/+12
Returns time since epoch in seconds. This has a slight behaviour difference from Nix, in that we don't pin the time between REPL entries (Nix pins it for the program lifetime), but this is probably inconsequential as long as it is pinned during an evaluation. Change-Id: I010c02e93097a209d8ad69e278397c7e30e54c86 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6846 Tested-by: BuildkiteCI Reviewed-by: grfn <grfn@gws.fyi> Reviewed-by: wpcarro <wpcarro@gmail.com>
2022-10-04 r/5026 refactor(tvix/eval): allow impure Value builtinsVincent Ambo2-10/+27
Allows impure builtins that have a different shape than a Rust function pointer; specifically this is required for builtins.currentTime which does not work in WASM. Change-Id: I1362d8eeafe770ce4d1c5ebe4d119aeb0abb5c9b Reviewed-on: https://cl.tvl.fyi/c/depot/+/6849 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI Reviewed-by: grfn <grfn@gws.fyi> Reviewed-by: wpcarro <wpcarro@gmail.com>
2022-10-03 r/5024 feat(tvix/eval): implement `builtins.any`Vincent Ambo3-0/+30
Change-Id: I640ee20e7c0a68c4e024a577e429fed9b3a49ece Reviewed-on: https://cl.tvl.fyi/c/depot/+/6845 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-10-03 r/5023 feat(tvix/eval): implement `builtins.all`Vincent Ambo3-0/+30
Change-Id: I19ec2b2194681efd73041f4aa1e5f2c893e839c2 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6844 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-10-03 r/5022 feat(tvix/eval): implement builtins.concatListsVincent Ambo3-0/+21
Concatenates (but not flattens) a list of lists. Change-Id: I692e0b3e7b5a5ff93d5768d3a27849b432ec5747 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6843 Autosubmit: tazjin <tazjin@tvl.su> Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-10-03 r/5021 refactor(tvix/eval): implement IntoIterator for NixListVincent Ambo1-4/+9
This is the same code as before, just moved into a trait impl to gain access to stuff that needs IntoIterator Change-Id: Iff9375cd05593dd2681fa85ccc7f4554bf944a02 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6842 Autosubmit: tazjin <tazjin@tvl.su> Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-10-03 r/5020 fix(tvix/eval): do not fail when finalising non-capturing valuesVincent Ambo1-1/+6
This can actually legitimately be emitted by the compiler currently when compiling formals with default values. See the scope6 test from the Nix test suite for an example. We should restructure this slightly to be able to reintroduce a runtime error here in case something was compiled incorrectly. Change-Id: Ib81f0f58ae0e850db9fbc459458b7bd0d3ac6f23 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6841 Autosubmit: tazjin <tazjin@tvl.su> Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-10-03 r/5019 feat(tvix/eval): implement tail-calling of __functor attributesVincent Ambo3-19/+39
This implements __functor calling in situations where `OpTailCall` is used, but not yet for `OpCall`. For some reason I have not yet figured out, this same implementation does not work in call_value, which means that it also doesn't yet work in builtins that apply functions. Change-Id: I378f9065ac53d4c05166a7d0151acb1f55c91579 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6826 Autosubmit: tazjin <tazjin@tvl.su> Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-10-02 r/5018 feat(tvix/eval): Add passthru build for benchmark binariesGriffin Smith1-4/+16
Add a new derivation target to the passthru of tvix.eval that builds the benchmark binaries, *and* copies them to the outupts of the derivation via the (somewhat arcane) `copyBinsFilter` jq script arg to naersk. This is a bit annoying because (as far as I can tell) the derivations returned by naersk aren't directly overridable, so we have to explicitly fixpoint the attrs we're passing. Also, since this is now a separate target to build the benchmarks, we can remove `--all-targets` from the build of `tvix-eval` itself since that was only added to build benchmarks in CI, and make regular (non-benchmark) builds a bit faster. Change-Id: I136b8526790545e93b1ae666abaefb51cbbee390 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6847 Autosubmit: grfn <grfn@gws.fyi> Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-10-01 r/5008 docs(tvix/eval): start doc about problematic/weird lang behaviorsterni1-0/+39
The idea is that we can keep track of the more unexpected behavior, behavior that maybe should not be a thing at all and behavior we are not sure about yet. Change-Id: I70933f00af1230a7ab9d30e917b61199fe571caf Reviewed-on: https://cl.tvl.fyi/c/depot/+/6803 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2022-09-30 r/5006 fix(tvix/eval): fix thunk borrowing error in force_for_outputVincent Ambo3-1/+7
This function previously kept a borrow in the form of the `Thunk::value` result alive while performing arbitrary actions in the VM, which caused a borrowing error in the test case attached. The `Ref` value must never be used in cases where control flow is passed to other parts of the VM. Change-Id: I41d10aa1882a2166614b670e8ba77aab0e67deca Reviewed-on: https://cl.tvl.fyi/c/depot/+/6825 Reviewed-by: grfn <grfn@gws.fyi> Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-30 r/5005 test(tvix/eval): add simple nested key tests in let & rec attrsVincent Ambo4-0/+10
Change-Id: Icdc41ae383cd7cd1531c65c97d955bc59a56489a Reviewed-on: https://cl.tvl.fyi/c/depot/+/6809 Reviewed-by: grfn <grfn@gws.fyi> Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-30 r/5004 chore(tvix/eval): remove unused field in TrackedBindingsVincent Ambo1-7/+3
Change-Id: I65e31e9173e4f5bba19cc4e3d45eb4f8bf91b424 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6808 Reviewed-by: grfn <grfn@gws.fyi> Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-30 r/5003 test(tvix/eval): reactivate nested key tests in plain attribute setsVincent Ambo9-0/+0
Change-Id: Id25cde5a6562e1598dcbbf7945ecdfacac5faed7 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6807 Reviewed-by: grfn <grfn@gws.fyi> Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-30 r/5002 feat(tvix/eval): implement nested keysVincent Ambo1-29/+60
This finishes up the implementation of nested keys after the key insight that the nesting level does not need to be tracked, and instead the attribute iterator can simply be retained inside the structures as is (in an advanced state). With this implementation, when encountering a nested key, the Tvix compiler will first analyse whether there is already a matching binding that can be merged (i.e. a binding that is a literal attribute set), and perform the merge, or otherwise create a new recursive set of bindings in which the entry is inserted with the path iterator advanced beyond the first name component. With this, all the logic simply applies recursively until there are no more nested bindings (i.e. until all iterators are "empty"). Note that this has one (potentially insignificant) deviation from Nix currently: If a non-mergable value is supplied (e.g. `a.b = 1; a = 2;`), Tvix will emit a *runtime* error (whereas it is *parse* time in Nix) as the branch which could statically analyse this is currently unreachable. There's a TODO for this, so we can fix it up later. Change-Id: I53df70e09614ff4281a70b80eac7da3beca12da9 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6806 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-30 r/5001 refactor(tvix/eval): split out AttributeSet::from_ast helperVincent Ambo1-26/+31
Change-Id: Id43dbd06aef14cf01b4901d9b3668d790cd2b5ae Reviewed-on: https://cl.tvl.fyi/c/depot/+/6805 Tested-by: BuildkiteCI Reviewed-by: grfn <grfn@gws.fyi>
2022-09-30 r/5000 chore(tvix/eval): remove `nesting_level` trackingVincent Ambo1-25/+2
This is actually quite useless, as we can just pass `AstChildren<ast::Attr>` around after partially consuming it. Change-Id: If0aefa2b53fc801fced1ae0709bff93966bf19f8 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6804 Tested-by: BuildkiteCI Reviewed-by: grfn <grfn@gws.fyi>
2022-09-29 r/4999 refactor(tvix/eval): clean up representation flip in bindingsVincent Ambo1-37/+32
When encountering a nested binding for the first time, cleanly flip the representation to `Binding::Set` in `Binding::merge` before proceeding with the actual merge. This reduces the number of points where we have to deal with the (soon to be slightly more complex) construction of the nested binding representation. Change-Id: Ifd43aac7b59ebd15a72c3ec512386a5bcf26ec13 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6802 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-29 r/4998 feat(tvix/eval): (partially) track nesting level of attrsetsVincent Ambo1-29/+82
This adds the scaffolding required for tracking the nesting level (and appropriately skipping the correct amount of attrpath entries when inserting nested sets). In order for all of this to work correctly, we can no longer track `AttrpathValue` directly in the entries vector as rnix does not allow us to construct values of that type - so instead we have to track its inner components. Change-Id: Icb18e105586bf6c247c2e66c302cde5609ad9789 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6801 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-29 r/4997 feat(tvix/eval): merge attribute sets in bindingsVincent Ambo5-13/+133
This is a significant step towards correctly implemented nested bindings. All attribute sets defined within the same binding scope will now be merged as in Nix, if they use the same key. Change-Id: I13e056693d5e73192280043c6dd93b47d1306ed6 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6800 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-29 r/4996 feat(tvix/eval): add error kind for unmergeable nested attributesVincent Ambo2-1/+14
Change-Id: Ic5e6d1bf2625c33938360affb0d1a7c922af11bf Reviewed-on: https://cl.tvl.fyi/c/depot/+/6799 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-29 r/4995 feat(tvix/eval): add scaffolding for merging nested attribute setsVincent Ambo2-25/+116
This sets up the required logic for finding and merging attribute sets into nested bindings if they exist. This is absolutely not complete yet and can, at this commit, probably cause undefined runtime behaviour if nested attributes are specified. The basic idea is that a new helper function on the `TrackedBindings` struct is called with each encountered attribute and determines whether the new entry can be merged into an existing attribute or not. Right now the only effect this has in practice is that a new error becomes available if somebody attempts to cause a merge into an inherited key. Change-Id: Id010df3605055eb1ad7fa65241055889dd21bab0 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6798 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-29 r/4994 refactor(tvix/eval): emit OpAttrs inside of compile_bindingsVincent Ambo2-6/+6
This needs to move here so that we can reuse compile_bindings for the nested attribute sets we're about to start constructing. Change-Id: Ie83f52f7e1d128886e96a1da47792211fa826f21 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6796 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-29 r/4993 refactor(tvix/eval): introduce `TrackedBindings` structVincent Ambo1-11/+34
This struct will be the key to correctly compiling nested bindings, by having insertions flow through some logic that will attempt to bind attribute-set-like things when encountering them. Change-Id: I8b5b20798de60688f3b6dc4526a460ebb2079f6e Reviewed-on: https://cl.tvl.fyi/c/depot/+/6795 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-29 r/4992 refactor(tvix/eval): compile_recursive_scope -> compile_bindingsVincent Ambo1-4/+4
Change-Id: Iff18d0f84ba2b7a4194797e6c52c55b1c37e419c Reviewed-on: https://cl.tvl.fyi/c/depot/+/6794 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-29 r/4991 chore(tvix/eval): fix all current clippy lintsVincent Ambo4-6/+6
Change-Id: I28d6af8cb408f8427a75d30b9120aaa809a1ea40 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6784 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-29 r/4990 chore(tvix/eval): remove existing nested key implementationVincent Ambo4-101/+3
This implementation, which only ever worked for non-recursive attribute sets, is no longer needed and thus removed here. We have a new implementation of these nested keys coming up instead. Change-Id: I0c2875154026a4f5f6e0aa038e465f54444bf721 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6783 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-29 r/4989 refactor(tvix/eval): merge all bindings creation logicVincent Ambo13-138/+8
As of this commit, all three types of bindings scopes are compiled the same way (i.e. compilation of non-recursive attribute sets has been switched over to the new code paths). This sets us up for doing the final implementation of nested attribute sets. HOWEVER, this breaks the existing implementation of nested attributes in non-recursive attribute sets. That implementation is flawed and unworkable in practice, so we need to do this dance to be able to implement it correctly. Change-Id: Iba2545c0d1d6b51f5e1a31a5d005b8d01da546d3 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6782 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-29 r/4988 feat(tvix/eval): implement dynamic keys in recursive attrsVincent Ambo3-29/+39
This wires up the new bindings setup logic to be able to thread through & compile dynamic attributes in recursive attrs. It seems like we don't actually need to retain the phasing of Nix exactly, as we can use the phantom mechanism to declare all locals without making the dynamic ones accessible. Change-Id: Ic2d43dd8fd97d7ccd56d8c6adf2ff97274cd837a Reviewed-on: https://cl.tvl.fyi/c/depot/+/6781 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-29 r/4986 feat(tvix/eval): add KeySlot::Dynamic variant for dynamic keysVincent Ambo1-14/+29
Another slice of the salami, but no functionality changes yet (other than opening a code path that can reach a `todo!()`, but this will be removed soon). Change-Id: I56b4ed323f70754ed1ab27964ee3c99cf3bf3292 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6780 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-29 r/4985 refactor(tvix/eval): clean up unused attrpath normalisation logicVincent Ambo1-52/+36
The previous way of sanitising dynamic keys is going away as we're slowly introducing the new nested key logic. While touching this stuff, I've also changed all the related string types to SmolStr as that is more sensible for identifiers. Change-Id: If30c74151508719d646d0e68e7d6f62c36f4d23f Reviewed-on: https://cl.tvl.fyi/c/depot/+/6779 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-29 r/4984 chore(tvix/eval): reflow comments in compiler::bindingsVincent Ambo1-101/+88
Change-Id: I6d74f71ecd671feaec96ee4ff39f218907c517fe Reviewed-on: https://cl.tvl.fyi/c/depot/+/6777 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-29 r/4983 refactor(tvix/eval): merge inherits logic between all binding kindsVincent Ambo1-80/+8
Removes the `compile_inherit_attrs` logic which was only used for BindingsKind::Attrs (i.e. non-recursive attrs). This brings us a step closer to fully merging all the binding logic into one block that can dispatch based on the kind of bindings (and thus giving us a good point to introduce the final logic for nested bindings). Change-Id: If48d7a9497fc084a5cc03a130c2a7da5e2b8ef0c Reviewed-on: https://cl.tvl.fyi/c/depot/+/6776 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-29 r/4982 refactor(tvix/eval): Factor out `declare_bindings` helperVincent Ambo1-41/+63
This helper is responsible for declaring the bindings in the compiler's scope tracking structures. It is almost equivalent to the previous logic, but also accounts for `BindingsKind::Attrs` - though those code paths do not end up here yet. Change-Id: I44f617b99b10f2a7b9675f7b23e2c803a4a93d29 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6775 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-28 r/4979 refactor(tvix/eval): Factor out `bind_values` helperVincent Ambo1-47/+55
This is responsible for actually setting up `TrackedBinding`s on the stack, i.e. in some sense "actually compiling" values in bindings. There is no functionality change to before, i.e. this is a salami slice. Change-Id: Idb0312038e004470a7d130c020ae0fe87c55c218 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6774 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-28 r/4978 refactor(tvix/eval): split `compile_inherits` into twoVincent Ambo1-12/+29
Splits the large `compile_inherits` function which previously *compiled* plain inherits and *declared* namespaced inherits into `compile_plain_inherits` and `declare_namespaced_inherits`. This is supposed to make more sense than before, but is still not consistently used (notably, non-recursive attribute sets still duplicate most of this logic). Another salami slice. Change-Id: Id97fac1cbd5ee97b24d047e7728655e6b7734153 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6773 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-28 r/4977 refactor(tvix/eval): add non-recursive logic to `compile_inherit`Vincent Ambo1-16/+39
... but do not use it yet. This refactoring is pretty complicated, so I'm applying salami-slicing tactics here. Change-Id: I66e04ee10548f68bf67dc842f3f14cc279426c22 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6772 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-28 r/4976 refactor(tvix/eval): introduce type to track kind of bindingsVincent Ambo1-11/+30
As part of the unification of binding logic between different carriers of bindings, we need to track which kind of bindings we are dealing with (attribute set? recursive scope? ...) to correctly emit keys and declare identifiers in the locals stack. Right now this changes no functionality as `BindingsKind::Attrs` is not yet used (only RecAttrs and LetIn, which was previously represented by the `rec_attrs` boolean). Change-Id: Id2ac27894079ab584521cb568d75c124f7bf2403 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6771 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-28 r/4975 refactor(tvix/eval): move recursive inherit logic into helperVincent Ambo1-98/+108
This helper will gain the ability to compile both kinds of inherits, but it is kind of tricky to get right so I am doing it in smaller steps. Right now there is no change in functionality. Change-Id: Ie990b88dd90a5e0f9fd79961ee09a6c83f2c872d Reviewed-on: https://cl.tvl.fyi/c/depot/+/6770 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-28 r/4974 refactor(tvix/eval): rename BindingKind -> BindingVincent Ambo1-7/+7
This just describes a binding, and we do need a good name for the kind of binding*s*, which is going to be introduced soon. Change-Id: I53900ee52da8a07dae8b918fa6a4cb308e627efb Reviewed-on: https://cl.tvl.fyi/c/depot/+/6768 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-28 r/4973 refactor(tvix/eval): generalise error variant for dynamic keysVincent Ambo2-31/+17
Change-Id: I08f40b4b53652a519e76d6e8344c7c3fe10a0689 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6767 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-28 r/4972 refactor(tvix/eval): bye compiler::attrs, hello compiler::bindingsVincent Ambo3-803/+810
Changes the module structure of the compiler to have a module dedicated to the logic of setting up bindings. This logic is in the process of being merged between attribute sets and `let`-expressions, and the structure of the modules makes more sense when ecapsulating that specifically. (Other bits of code related to e.g. attribute sets are pretty straightforward and can just live in the main compiler module). Change-Id: I9469b73a7034e5b5f3bb211694d97260c4c9ef54 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6766 Autosubmit: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-23 r/4964 chore(tvix/eval): mark coerce_value_to_path as intentionally unusedVincent Ambo1-0/+1
This was added in preparation for some builtins that don't exist yet and is producing some noise during compilation. Change-Id: I51fb0d14c3edf0bd6d9a288d50e44dacf35166c6 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6769 Reviewed-by: flokli <flokli@flokli.de> Autosubmit: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-09-23 r/4963 feat(tvix/eval): implement 'builtins.filter'Vincent Ambo4-1/+44
This is a little ugly because the plain Iterator::filter method can not be used (it does not support fallible primitives), so we need to resort to an `Iterator::filter_map` and deal with the wrapping in Options everywhere. This prevents use of `?` which introduces the need for some matching, but it's not *too* bad. Change-Id: Ie2c3c0c9756c4c627176f64fb4e0054e717c26d1 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6765 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-22 r/4962 fix(tvix/eval): manually count entries in recursive scopesVincent Ambo4-4/+14
The previous version had a bug where we assumed that the number of entries in an attribute set AST node would be equivalent to the number of entries in the runtime attribute set, but due to inherit nodes containing a variable number of entries, this did not work out. Fixes b/199 Change-Id: I6f7f7729f3512b297cf29a2e046302ca28477854 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6749 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-22 r/4961 feat(tvix/eval): add builtins.stringLengthsterni3-0/+16
Fairly straightforward, only thing of note is that we coerce (weakly) to string here as well. Change-Id: I03b427e657e402f1f9eb0f795b689bbf5092aba1 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6745 Tested-by: BuildkiteCI Reviewed-by: wpcarro <wpcarro@gmail.com> Reviewed-by: tazjin <tazjin@tvl.su>
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