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2022-11-28 r/5350 feat(tvix/eval): implement equality on derivationsAdam Joseph1-0/+32
Change-Id: I344b66c39cbc4b426accc482aa8f6f2eb18db68a Reviewed-on: https://cl.tvl.fyi/c/depot/+/7417 Autosubmit: Adam Joseph <adam@westernsemico.com> Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-11-28 r/5349 feat(tvix/eval): add CoercionKind::ThunksOnlyAdam Joseph2-4/+12
Signed-off-by: Adam Joseph <adam@westernsemico.com> Change-Id: I92acb7e6099a4796d953b2d4d02cca4076ed0fb1 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7426 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-11-27 r/5346 fix(tvix/eval): implement function/thunk ptr-equality for list ordAdam Joseph1-1/+1
With this change, the test introduced by cl/7370 passes. Change-Id: Ie7d2f02a59d61151f14ebd328e6cfa5892cacfb0 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7375 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org> Autosubmit: Adam Joseph <adam@westernsemico.com>
2022-11-27 r/5345 feat(tvix/eval): non-recursive implementation of nix_eq()Adam Joseph4-34/+133
This passes all the function/thunk-pointer-equality tests in cl/7369. Change-Id: Ib47535ba2fc77a4f1c2cc2fd23d3a879e21d8b4c Signed-off-by: Adam Joseph <adam@westernsemico.com> Reviewed-on: https://cl.tvl.fyi/c/depot/+/7358 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2022-11-26 r/5341 feat(tvix/eval): add --raw flag to eval, like cppnixAdam Joseph2-2/+16
Signed-off-by: Adam Joseph <adam@westernsemico.com> Change-Id: If07250a45fdf65a3f22ed8c37d7f37b45edccde9 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7416 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2022-11-26 r/5340 feat(tvix/eval): use backtrace-on-stack-overflow crateAdam Joseph3-116/+238
The backtrace-on-stack-overflow create provides best-effort stack traces when a stack overflow happens. Since it's running on the (usually tiny) signal alternate stack this isn't easy. This is guarded by a new `backtrace_overflow` feature flag and never enabled (even if that feature is selected) for release builds. This is strictly for debugging; there's crazy unsafe voodoo in there. https://lib.rs/crates/backtrace-on-stack-overflow Example output: ``` Stack Overflow: 0: backtrace_on_stack_overflow::handle_sigsegv at /home/amjoseph/.cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-on-stack-overflow-0.2.0/src/lib.rs:93:40 1: <unknown> 2: __rust_probestack 3: tvix_eval::vm::VM::run_op at src/vm.rs:399 4: tvix_eval::vm::VM::run at src/vm.rs:388:23 5: tvix_eval::vm::VM::enter_frame at src/vm.rs:360:22 6: tvix_eval::value::thunk::Thunk::force at src/value/thunk.rs:116:25 7: tvix_eval::vm::VM::run_op at src/vm.rs:801:37 8: tvix_eval::vm::VM::run at src/vm.rs:388:23 9: tvix_eval::vm::VM::enter_frame at src/vm.rs:360:22 10: tvix_eval::value::thunk::Thunk::force at src/value/thunk.rs:116:25 ... ``` Signed-off-by: Adam Joseph <adam@westernsemico.com> Change-Id: I1d8a2017f836be7bf91a2223e7adacb86fa1dbb2 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7354 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2022-11-26 r/5339 fix(tvix/eval): OpAdd must weakly stringify if either arg is stringAdam Joseph3-1/+20
Tests included. Change-Id: I7a4905d6103813373e383e2e8629c5fd243d6bca Reviewed-on: https://cl.tvl.fyi/c/depot/+/7377 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: Adam Joseph <adam@westernsemico.com>
2022-11-26 r/5327 feat(tvix/eval): mock builtins.unsafeGetAttrPosAdam Joseph1-0/+24
Signed-off-by: Adam Joseph <adam@westernsemico.com> Change-Id: I9d986dd8c0aad4e67df01bda13cee443e0fc0d20 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7415 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-11-26 r/5326 feat(tvix/eval): declare function-pointer-equality dealt withAdam Joseph1-1/+0
Change-Id: If81ff414dba10a0448b905eec373730a68795376 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7376 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI Autosubmit: Adam Joseph <adam@westernsemico.com>
2022-11-26 r/5325 feat(tvix/eval): add Closure::ptr_eq()Adam Joseph1-0/+6
See cl/7368 Change-Id: I97630994c3d65f4d16414a0da236ce000a5b6d33 Signed-off-by: Adam Joseph <adam@westernsemico.com> Reviewed-on: https://cl.tvl.fyi/c/depot/+/7374 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-11-26 r/5324 feat(tvix/eval): wrap Closure::upvalues in RcAdam Joseph3-6/+11
See cl/7372; Nix equality semantics require the ability to track pointer equality of upvalue-sets. Signed-off-by: Adam Joseph <adam@westernsemico.com> Change-Id: I82ba517499cf370189a80355e4e46a5caaab7153 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7373 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-11-25 r/5310 test(tvix/eval): add eval-okay-closure-pointer-compareAdam Joseph2-0/+15
This test case checks two things: * A sanity check that "pointer equality for functions" means not just the lambda, but also the upvalues. * To be pointer-equal, it is not enough for the upvalues to be normal-form equal (i.e. `nix_eq()`-equal); the upvalues must be *pointer*-equal. The second part of the test case checks for this. Signed-off-by: Adam Joseph <adam@westernsemico.com> Change-Id: I4e59327a6f199b8212e97197b212e3c3934bb3f0 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7372 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-11-24 r/5309 chore(tvix/eval): postpone use of "dep:" for a bitAdam Joseph1-1/+1
The "dep:" syntax in Cargo.toml is very new; crate2nix master has support for it, but they have not yet made a release with this update, and therefore the crate2nix in nixpkgs does not yet support it. Could we avoid using "dep:" for a few weeks to give crate2nix a chance to release so I can bump the version in nixpkgs? I've opened an issue asking crate2nix to make a release: https://github.com/kolloch/crate2nix/issues/264 I propose that if they haven't acted within a month we stop waiting and revert this at that time. Change-Id: I999a72429db667bedf4b2cdba27cb63b3f3d9657 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7350 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-11-24 r/5308 test(tvix/eval): test limits of builtins.seq's forcingsterni2-2/+2
Change-Id: I6dfc9108220762ef3372cd2739e91d79c01a55e1 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7366 Tested-by: BuildkiteCI Autosubmit: sterni <sternenseemann@systemli.org> Reviewed-by: tazjin <tazjin@tvl.su>
2022-11-23 r/5305 feat(tvix/eval): ExactSizeIterator for Iter<KeyValue<'a>> and KeysAdam Joseph1-0/+20
Signed-off-by: Adam Joseph <adam@westernsemico.com> Change-Id: Ia373eb30d8516a056f1349f9011dee9816593d6f Reviewed-on: https://cl.tvl.fyi/c/depot/+/7357 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2022-11-23 r/5303 feat(tvix/eval): improve panic!() messages in Thunk::value()Adam Joseph1-4/+4
Change-Id: I3b1284e28c350bfed84d643ae7f922f3487e1f2a Reviewed-on: https://cl.tvl.fyi/c/depot/+/7355 Autosubmit: Adam Joseph <adam@westernsemico.com> Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2022-11-23 r/5302 feat(tvix/eval): add NixAttrs::into_iter()Adam Joseph1-0/+52
Signed-off-by: Adam Joseph <adam@westernsemico.com> Change-Id: Ib813d794177c623bf2f12fc2e6a6f304089607d1 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7356 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-11-23 r/5301 feat(tvix/eval): make NixList::clone() cheapAdam Joseph3-38/+36
When we start unrecursivifying (sp?) things, Rust's borrow checker is going to be a headache; its magic only works when you use the CPU stack as your call stack. Fixing the borrow checker issues usually involves adding lots of `clone()`s. Right now `NixList` is the only variant of `Value` that isn't cheap to clone() -- all the others are either a wrapper around Rc or else are of bounded size. Note that this requires dropping the `DerefMut for NixList` instance and using `Vec<Value>` instead in those situations. Change-Id: I5a47df66855342aa2064f8f3cb7934ff422d26bd Signed-off-by: Adam Joseph <adam@westernsemico.com> Reviewed-on: https://cl.tvl.fyi/c/depot/+/7359 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-11-21 r/5299 fix(tvix/eval): aggressively fix a borrow error in nix_eqVincent Ambo1-3/+9
When comparing Nix values for equality, an issue can occur where recursive values contain thunks to themselves which causes borrow errors when forcing them for comparison later down the line. To work around this we clone the values for now. There might be some optimisations possible like checking for thunk equality directly and short-circuiting on that (we have to check what Nix does). Change-Id: I7e75c992ea68f100058f52b4b46168da7d671994 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7314 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-11-21 r/5298 fix(tvix/eval): builtins.listToAttrs must force keysVincent Ambo1-7/+2
Change-Id: Ief9ebc2285a0c50654c2edd3351432dc1588f9fc Reviewed-on: https://cl.tvl.fyi/c/depot/+/7313 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-11-21 r/5297 fix(tvix/eval): ensure callable is forced when using call_withVincent Ambo2-1/+9
When passing multiple arguments, every intermediate callable needs to be forced as this is expected by the VM's call_value function. Also adds a debug assertion for this which makes it easier to spot exactly what went wrong. Change-Id: I3aa519cb6cdaab713bd18282bef901c4cd77c535 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7312 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-11-21 r/5296 test(tvix/eval): enable eval-okay-closure test from nix_testsVincent Ambo2-1/+2
This function covers builtins.genericClosure, seemingly including weird behaviour around the order in which the work set is processed. For some reason, in C++ Nix the test expectation is written in XML which we do not yet support, so I have created a new expectation file using `nix-instantiate --eval --strict` on the file (yes, using C++ Nix). Change-Id: Id90e7117d120dc66d963a51083c4d8e8f2d9f181 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7311 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-11-21 r/5295 feat(tvix/eval): Implement builtins.genericClosureVincent Ambo1-0/+47
This implementation closely follows the original implementation in Nix, including the use of an equality-based "set" structure to track keys that have already been processed. Note that this test does not yet enable the `notyetpassing` test for builtins.genericClosure because (for as of yet unknown reasons) this test compares against XML output (however, evaluating the test case actually does work). This takes us one step closer to nixpkgs eval. This commit was written somewhere in the North Sea. Co-Authored-By: Griffin Smith <root@gws.fyi> Change-Id: I450a866e6f2888b27c2fe7c7f77ce0f79bfe3e6c Reviewed-on: https://cl.tvl.fyi/c/depot/+/7310 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-11-11 r/5278 feat(tvix/): .gitignore target foldersFlorian Klink1-1/+0
Change-Id: Ic52159141b2346dd580215566056aca7110f0a10 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7253 Autosubmit: flokli <flokli@flokli.de> Reviewed-by: grfn <grfn@gws.fyi> Tested-by: BuildkiteCI
2022-11-11 r/5277 feat(tvix/eval): move shell.nix and .envrc to //tvixFlorian Klink2-21/+0
Both //tvix/eval and //tvix/nix_cli have need to for rust tooling available in $PATH. Move this one level up, so it's accessible in all subdirectories. Change-Id: I0763bbe9cefdc962f3a8f86c51e8f67cde8b4b04 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7248 Autosubmit: flokli <flokli@flokli.de> Reviewed-by: sterni <sternenseemann@systemli.org> Reviewed-by: grfn <grfn@gws.fyi> Tested-by: BuildkiteCI
2022-11-10 r/5276 feat(tvix/eval): detect division by zerojhahn4-1/+22
This detects if the second argument of a division is a zero (either as integer or as float). If so, an error message is displayed. This fixes b/219. Change-Id: I50203d14a71482bc757832a2c8dee08eb7d35c49 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7258 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2022-11-08 r/5269 feat(tvix/eval): Add docstrings as documentation for builtinsGriffin Smith5-2/+54
Add a new `documentation: Option<&'static str>` field to Builtin, and populate it in the `#[builtins]` macro with the docstring of the builtin function, if any. Change-Id: Ic68fdf9b314d15a780731974234e2ae43f6a44b0 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7205 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2022-11-08 r/5268 feat(tvix/eval): Give names to builtin argumentsGriffin Smith6-57/+111
Refactor the arguments of a Builtin to be a vec of a new BuiltinArgument struct, which contains the old strictness boolean and also a static `name` str - this is automatically determined via the ident for the corresponding function argument in the proc-macro case, and passed in in the cases where we're still manually calling Builtin::new. Currently this name is unused, but in the future this can be used as part of a documentation system for builtins. Change-Id: Ib9dadb15b69bf8c9ea1983a4f4f197294a2394a6 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7204 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-11-08 r/5267 refactor(tvix/eval): Be clearer about public interfaceGriffin Smith3-10/+16
Some new top-level re-exports (specifically VM, Builtin, and ErrorKind) were added to lib.rs in tvix/eval to allow the builtin-macros tests to work - we should be clear which of these are part of the public interface (I think it's reasonable for ErrorKind to be) and which aren't (specifically I'm not sure VM and Builtin necessarily should be, at least yet). Change-Id: I3bbeaa63cdda9227224cd3bc298a9bb8da4deb7c Reviewed-on: https://cl.tvl.fyi/c/depot/+/7203 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2022-11-08 r/5266 refactor(tvix/eval): Define impure builtins using the macroGriffin Smith1-48/+56
Similar to what we did with pure builtins, define the impure builtins within a module at the top-level using the new #[builtins] attribute macro Change-Id: Ie5d5135d00bb65e651531df6eadba642cd4eb08e Reviewed-on: https://cl.tvl.fyi/c/depot/+/7202 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-11-08 r/5265 refactor(tvix/eval): Define *all* pure builtins at the top-levelGriffin Smith1-728/+792
Break out all pure builtin functions to top-level functions defined within the `pure_builtins` module in `builtins/mod.rs`. Change-Id: I9a10660446d557b1a86da4c45a463e9a1a9b4f2d Reviewed-on: https://cl.tvl.fyi/c/depot/+/7201 Reviewed-by: tazjin <tazjin@tvl.su> Reviewed-by: Adam Joseph <adam@westernsemico.com> Tested-by: BuildkiteCI
2022-11-08 r/5264 refactor(tvix/eval): Define a single builtin at the top levelGriffin Smith1-5/+16
Mostly as a proof-of-concept of the new proc-macros for defining builtins, define a single builtin (the first in the list, `abort`) at the top-level of a child module within builtins/mod.rs, and add it to the list of builtins returned from `pure_builtins`. If this works nicely, we can start breaking out the rest of the builtins into the top-level too, in addition to introducing additional sets of builtins (to differentiate between pure and impure builtins). Change-Id: I5bdd57c57fecf8d63c9fed4fc6b1460f533b20f2 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7199 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2022-11-08 r/5263 feat(tvix/eval): Add a proc-macro for defining builtinsGriffin Smith9-3/+1133
Add a single new proc macro to a new proc-macro crate, `tvix-eval-proc-macros` for defining an inline module containing nix builtins, and automatically generating a function within that module which returns a list of those builtins as `tvix_eval::value::Builtin`. Change-Id: Ie4afae438914d2af93d15637151a49b4c68aa352 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7198 Reviewed-by: tazjin <tazjin@tvl.su> Reviewed-by: Adam Joseph <adam@westernsemico.com> Tested-by: BuildkiteCI
2022-11-08 r/5262 feat(tvix/eval): add helper for selecting required attributesVincent Ambo1-0/+7
Change-Id: Idd4ae78ef55891d89b72b5c2f3afc8b697b4b26e Reviewed-on: https://cl.tvl.fyi/c/depot/+/7189 Reviewed-by: grfn <grfn@gws.fyi> Reviewed-by: Adam Joseph <adam@westernsemico.com> Tested-by: BuildkiteCI Autosubmit: tazjin <tazjin@tvl.su>
2022-11-08 r/5261 docs(tvix/eval): document abandoned thread-local vmAdam Joseph1-0/+233
This commit adds a markdown document which explains how the thread-local VM infrastructure works, in case it is useful in the future. Change-Id: Id10e32a9e3c5fa38a15d4bec9800f7234c59234a Reviewed-on: https://cl.tvl.fyi/c/depot/+/7193 Tested-by: BuildkiteCI Autosubmit: Adam Joseph <adam@westernsemico.com> Reviewed-by: tazjin <tazjin@tvl.su>
2022-11-06 r/5255 feat(tvix/eval): placeholder builtin implementationsVincent Ambo3-9/+43
Adds initial placeholders for builtins.{derivation, unsafeDiscardStringContext}. Change-Id: I67a126c9b9f9f4f11e2256e69b9a32ebd9eb1b0e Reviewed-on: https://cl.tvl.fyi/c/depot/+/7187 Autosubmit: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI Reviewed-by: grfn <grfn@gws.fyi>
2022-11-06 r/5254 refactor(tvix/eval): move `unwrap_or_clone_rc` to lib moduleVincent Ambo2-6/+9
This is more generally useful than just inside the VM, until it is stabilised in Rust itself. Change-Id: Id9aa3d5b533ff38e3d2c6b85ad484394fdd05dcf Reviewed-on: https://cl.tvl.fyi/c/depot/+/7186 Tested-by: BuildkiteCI Autosubmit: tazjin <tazjin@tvl.su> Reviewed-by: grfn <grfn@gws.fyi> Reviewed-by: Adam Joseph <adam@westernsemico.com>
2022-11-05 r/5252 fix(tvix/eval): change ordinary (//) to rustdoc-comments (///)Adam Joseph1-3/+3
This fixes a mistake I made in d978b556e6. Change-Id: I88db697105a7149e9785f6aface03bff68566d2b Signed-off-by: Adam Joseph <adam@westernsemico.com> Reviewed-on: https://cl.tvl.fyi/c/depot/+/7085 Reviewed-by: grfn <grfn@gws.fyi> Tested-by: BuildkiteCI
2022-11-05 r/5251 fix(tvix/eval): Scope.inherit(): fix scope_depth, with_stack_depthAdam Joseph1-0/+2
Scope_depth and with_stack_depth were being reset to zero for nested function abstractions. Fortunately nothing depends on them being computed correctly in these cases, but it sure was confusing. Change-Id: I59980b6a5aff043f60079f97211220b0086eb97d Signed-off-by: Adam Joseph <adam@westernsemico.com> Reviewed-on: https://cl.tvl.fyi/c/depot/+/7091 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-11-05 r/5250 refactor(tvix/eval): rename Opcode::DataLocalIdx to DataStackIdxAdam Joseph4-7/+7
It is very confusing that this opcode is called DataLocalIdx, but it carries a StackIdx rather than a LocalIdx. It seems like this really ought to be called DataStackIdx, but maybe I've misunderstood; if so please explain it to me. Change-Id: I91f6ffa759412beef0b91d3c19ec0d873fe51b99 Signed-off-by: Adam Joseph <adam@westernsemico.com> Reviewed-on: https://cl.tvl.fyi/c/depot/+/7088 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-11-04 r/5245 docs(tvix/eval): add comments for Opcode::DataXXX opcodesAdam Joseph1-2/+8
Signed-off-by: Adam Joseph <adam@westernsemico.com> Change-Id: I8c72405880a9342eb502d92c1e0087f5bb17e03c Reviewed-on: https://cl.tvl.fyi/c/depot/+/7087 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2022-11-04 r/5244 feat(tvix/eval): implement builtins.splitAdam Joseph4-1/+39
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>
2022-11-04 r/5242 test(tvix/eval): add a test case for groupBy with thunksAdam Joseph2-0/+7
We have to be careful implementing `builtins.groupBy`, since the list may contain thunks, and tvix's to_xxx() functions do not work on thunks. Signed-off-by: Adam Joseph <adam@westernsemico.com> Change-Id: I182b6fc2d4296f864ed16744ef70b153e8e6978a Reviewed-on: https://cl.tvl.fyi/c/depot/+/7039 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-11-04 r/5241 fix(tvix/eval): quote keys which are not valid identifiersAdam Joseph3-1/+26
The impl Display for NixAttrs needs to wrap double quotes around any keys which are not valid Nix identifiers. This commit does that, and adds a test (which fails prior to this commit and passes after this commit). Change-Id: Ie31ce91e8637cb27073f23f115db81feefdc6424 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7084 Autosubmit: Adam Joseph <adam@westernsemico.com> Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-11-04 r/5240 fix(tvix_eval): {stack,local}_idx confusionAdam Joseph1-4/+4
The variable name `local_idx` is used here for a StackIdx, which invites confusion. Signed-off-by: Adam Joseph <adam@westernsemico.com> Change-Id: I2e22db90acdc0d29586ee5b72ea18d42d93badcb Reviewed-on: https://cl.tvl.fyi/c/depot/+/7086 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-11-04 r/5237 fix(tvix/eval): inline mis-named Local::above()Adam Joseph1-6/+1
If self.depth > other.depth then self is deeper than other, so self is *below* other, not above it. Let's just inline the function. Change-Id: I8dda3d90cbc86c8a6fa01bc4a5e506a2e403bd20 Signed-off-by: Adam Joseph <adam@westernsemico.com> Reviewed-on: https://cl.tvl.fyi/c/depot/+/7090 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-11-04 r/5236 fix(tvix/eval): remove impl PartialEq for ValueAdam Joseph8-24/+31
It isn't possible to implement PartialEq properly for Value, because any sensible implementation needs to force() thunks, which cannot be done without a `&mut VM`. The existing derive(PartialEq) has false negatives, which caused the bug which cl/7142 fixed. Fortunately that bug was easy to find, but a silent false negative deep within the bowels of nixpkgs could be a real nightmare to hunt down. Let's just remove the PartialEq impl for Value, and the other derive(PartialEq)'s that depend on it. Signed-off-by: Adam Joseph <adam@westernsemico.com> Change-Id: Iacd3726fefc7fc1edadcd7e9b586e04cf8466775 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7144 Reviewed-by: kanepyork <rikingcoding@gmail.com> Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-11-03 r/5235 feat(tvix/eval): add rust-analyzer to dev-envFlorian Klink1-1/+2
I think we should bring this into $PATH too. Change-Id: Ie31ac558355b7c4ed9dcd3dd60e1b03f141d1178 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7166 Autosubmit: flokli <flokli@flokli.de> Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-10-31 r/5226 fix(tvix/eval): nix_eq() must recurseAdam Joseph5-3/+5
The current implementation of nix_eq will force one level of thunks and then switch to the (non-forcing) rust Eq::eq() method. This gives incorrect results for lists-of-thunks. This commit changes nix_eq() to be recursive. A regression test (which fails prior to this commit) is included. This fix also causes nix_tests/eval-okay-fromjson.nix to pass, so it is moved out of notyetpassing. Change-Id: I655fd7a5294208a7b39df8e2c3c12a8b9768292f Signed-off-by: Adam Joseph <adam@westernsemico.com> Reviewed-on: https://cl.tvl.fyi/c/depot/+/7142 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2022-10-31 r/5225 docs(tvix/eval): builtins.md: note implementation statusAdam Joseph1-116/+123
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>
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