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2023-03-17 r/6025 feat(tvix/eval): track span of first force in a thunk blackholeVincent Ambo5-17/+48
This is step 1 towards being able to use all 4 spans that we know when dealing with infinite recursion. It tracks the span at which the force of a thunk was first requested when constructing a blackhole, so that we can highlight the spans of the first and second forces. These are actually the least relevant spans, but the easiest to put in place, more coming soon. Change-Id: I4c7e82f6211b98756439d4148a4191457cc46807 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8269 Autosubmit: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2023-03-17 r/6024 feat(tvix/eval): add generator "name" to NativeError kindVincent Ambo3-12/+29
This produces traces in which we can see what kind of native code was run. Note that these "names" are named after the generator message, so these aren't *really* intended for end-user consumption, but we can give them saner names later. Example: https://gist.github.com/tazjin/82b24e92ace8e821008954867ee05057 This already makes the traces a little easier to parse. Change-Id: Idcd601baf84f492211b732ea0f04b377112e10d0 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8268 Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI Autosubmit: tazjin <tazjin@tvl.su>
2023-03-17 r/6023 feat(tvix/eval): enrich errors with VM's frame stack informationVincent Ambo4-129/+242
When emitting an error at runtime, the VM will now use the new `NativeError` and `BytecodeError` error kinds (which just wrap inner errors) to create a set of diagnostics to emit. The primary diagnostic is emitted last, with `error` type (so it will be coloured red in terminals), the other ones will be emitted with `note` type, highlighting the causal chain. Example: https://gist.github.com/tazjin/25feba7d211702453c9ebd5f8fd378e4 This is currently quite verbose, and we can cut down on this further, but the purpose of this commit is to surface more information first of all before worrying about the exact display. Change-Id: I058104a178c37031c0db6b4b3e4f4170cf76087d Reviewed-on: https://cl.tvl.fyi/c/depot/+/8266 Autosubmit: tazjin <tazjin@tvl.su> Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2023-03-17 r/6022 fix(tvix/eval): use coerce_to_string in builtins.substringVincent Ambo3-1/+7
This actually uses coercion under the hood in C++ Nix. See the test for an example. Change-Id: Id56b364acf269225b6829d0b600e0222f8b3608d Reviewed-on: https://cl.tvl.fyi/c/depot/+/8322 Reviewed-by: andi <andi@notmuch.email> Tested-by: BuildkiteCI
2023-03-17 r/6020 chore(tvix/eval): remove some dead codeVincent Ambo1-31/+0
This was commented out and forgotten during the generator refactor, oh well. Change-Id: I474b685159a955a846db462da0dd0067af177b04 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8321 Autosubmit: tazjin <tazjin@tvl.su> Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2023-03-17 r/6019 refactor(tvix/store/nar): pass in &proto::node::NodeFlorian Klink5-21/+29
Passing in a &proto::node::Node into all this allows us consumers to keep ownership of the proto::node::Node. Change-Id: I44882a86c46826b06a8a8a0b24c18adfc7052662 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8316 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: flokli <flokli@flokli.de>
2023-03-17 r/6018 chore(tvix/store/grpcblobsvc): clippy lintFlorian Klink1-1/+1
Change-Id: Idb78e0417a962599cdfdef5e7346f7fa41e3fa1b Reviewed-on: https://cl.tvl.fyi/c/depot/+/8320 Autosubmit: flokli <flokli@flokli.de> Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2023-03-17 r/6017 chore(tvix/store/chunkservice): clippy lintFlorian Klink3-5/+5
Change-Id: I2073408fe6e87ffadbeb35ef2f9aaa0316c54966 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8319 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: flokli <flokli@flokli.de>
2023-03-17 r/6016 chore(tvix/store/blobreader): clippy lintFlorian Klink1-1/+4
Change-Id: I4c85425782878295277abe6dc91a1b570768f7fa Reviewed-on: https://cl.tvl.fyi/c/depot/+/8318 Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2023-03-16 r/6015 refactor(tvix/store/chunksvc): use [u8; 32] instead of Vec<u8>Florian Klink6-54/+70
Change-Id: Ie2b94aa5d69ff2c61fb77e13ae844f81f6270273 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8314 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: flokli <flokli@flokli.de>
2023-03-16 r/6014 refactor(tvix/store/directorysvc): use [u8; 32] instead of Vec<u8>Florian Klink12-130/+128
Also, simplify the trait interface, only allowing lookups of Directory objects by their digest. Change-Id: I6eec28a8cb0557bed9b69df8b8ff99a5e0f8fe35 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8313 Tested-by: BuildkiteCI Autosubmit: flokli <flokli@flokli.de> Reviewed-by: tazjin <tazjin@tvl.su>
2023-03-16 r/6013 chore(tvix): run `cargo update`Vincent Ambo2-656/+549
Change-Id: I710f0920da118cb1b94cd8ff364adadbeef998bb Reviewed-on: https://cl.tvl.fyi/c/depot/+/8315 Autosubmit: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2023-03-15 r/6012 refactor(tvix/nix-compat): remove get_fixed_output() funcFlorian Klink1-66/+52
The behaviour of this function is a bit unintuitive, and cl/8310 already inlined the other consumer of it. Rewrite the last consumer of the function, so we can drop it. Change-Id: I59c8486037ce3f777667d1d9e4f4a9316d5a0cb9 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8311 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-03-15 r/6011 refactor(tvix/nix-compat): simplify fingerprint calculationFlorian Klink1-76/+54
Instead of having two very similar match branches for the FOD and non- FOD case, detect the FOD case while looping over all outputs. In the case of anything other than recursive sha256 FODs, the fingerprint and output path calculation is exactly the same. Change-Id: Ieb6995653d008766e595cf29d7cd4fb1334e33dd Reviewed-on: https://cl.tvl.fyi/c/depot/+/8310 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: flokli <flokli@flokli.de>
2023-03-15 r/6010 fix(tvix/cli): populate output configuration after walking argsVincent Ambo1-15/+14
Walking the arguments might encounter an `outputs` output, which might explicitly (for whatever reason) specify the `out` output. To prevent dropping FOD settings in this case, we have to populate that part of the configuration after walking the other attributes. Change-Id: Iee6a7f0a71e9c9699e79d35e6cb19e1ddb49395d Reviewed-on: https://cl.tvl.fyi/c/depot/+/8312 Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2023-03-15 r/6009 refactor(tvix/nix-compat): -derivation::Hash, +NixHashFlorian Klink8-87/+201
This stops using our own custom Hash structure, which was mostly only used because we had to parse the JSON representation somehow. Since cl/8217, there's a `NixHash` struct, which is better suited to hold this data. Converting the format requires a bit of serde labor though, but that only really matters when interacting with JSON representations (which we mostly don't). Change-Id: Idc5ee511e36e6726c71f66face8300a441b0bf4c Reviewed-on: https://cl.tvl.fyi/c/depot/+/8304 Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-03-14 r/6008 style(tvix): add new logo to the Tvix READMEVincent Ambo1-2/+5
Change-Id: Ibb8061be75d6fd16e8f813bc94e3bacaae890454 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8309 Tested-by: BuildkiteCI Autosubmit: tazjin <tazjin@tvl.su> Reviewed-by: flokli <flokli@flokli.de>
2023-03-14 r/6007 chore(tvix/store): drop separate bin packageFlorian Klink5-29/+8
Apparently, having multiple packages with the same path is a bad thing: ``` The bin target `tvix-store` in package `tvix-store-bin v0.1.0 (/home/flokli/tvl/tvix/store)` has the same output filename as the lib target `tvix_store` in package `tvix-store-bin v0.1.0 (/home/flokli/tvl/tvix/store)`. Colliding filename is: /home/flokli/tvl/tvix/target/doc/tvix_store/index.html The output filenames should be unique. This is a known bug where multiple crates with the same name use the same path; see <https://github.com/rust-lang/cargo/issues/6313>. ``` Change-Id: Ic785c0349070783baf5e8fd23f5fb60603a3c995 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8308 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2023-03-14 r/6006 fix(tvix): build all tvix crate docsFlorian Klink1-1/+3
There's still some shadowing going on, but that's left for a followup CL. Change-Id: I02992f1eb494faca99857a3a5ee4dcd47f1b9fd0 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8306 Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2023-03-14 r/6004 feat(tvix): build (some of) our Rust documentation in NixVincent Ambo1-1/+32
This will be published on docs.tvix.dev Change-Id: I348e057351d5295ad20953c9e9a32c257abab089 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8298 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2023-03-14 r/6002 feat(tvix): add simple initial websiteVincent Ambo3-0/+68
The website itself contains no useful information that we don't already have published anywhere, but it's a decent landing place. Mostly I want to have something on the root of tvix.dev, so that we can start using it for other purposes. Change-Id: Id2b4dabc7f6e4dd26b61484b86dbde2f39aa1719 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8296 Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2023-03-14 r/6000 refactor(tvix/nix-compat): rename helper funcFlorian Klink1-3/+3
This only trims the output paths from a Derivation struct, not the output hashes. Change-Id: I9250fec4602ed05bb64540c4a89ddb6fb052be1f Reviewed-on: https://cl.tvl.fyi/c/depot/+/8303 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: flokli <flokli@flokli.de>
2023-03-14 r/5999 refactor(tvix/nix-compat): remove manual mapFlorian Klink1-8/+6
Change-Id: I1652e24c9be28112d98683de2d2db51dc46001ed Reviewed-on: https://cl.tvl.fyi/c/depot/+/8302 Reviewed-by: tazjin <tazjin@tvl.su> Autosubmit: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2023-03-14 r/5998 refactor(tvix/nix-compat): rename test nameFlorian Klink1-1/+1
Change-Id: Ia6af8d4b53fbd4d9ea26f0094cd98dde66a91f78 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8301 Autosubmit: flokli <flokli@flokli.de> Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2023-03-14 r/5997 fix(tvix/store/derivation): fix commentFlorian Klink1-1/+1
The digest is encoded in LOWERHEX here, not nixbase32. Change-Id: I8e14742f0135966424073bfdb93ada8cd7bd52e2 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8300 Tested-by: BuildkiteCI Autosubmit: flokli <flokli@flokli.de> Reviewed-by: tazjin <tazjin@tvl.su>
2023-03-14 r/5996 chore(tvix/cli): don't set COREPKGS anymoreFlorian Klink1-4/+0
Since cl/8213, tvix bundles corepkgs. Change-Id: I17fa4452a6a1d554ae67b4aed9d9b1e77cb495f5 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8305 Autosubmit: flokli <flokli@flokli.de> Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2023-03-14 r/5995 refactor(tvix/nix-compat): replace calculate_drv_replacement_strFlorian Klink4-71/+98
Call this function derivation_or_fod_hash, and return a NixHash. This is more in line with how cppnix calls this, and allows using to_nix_hash_string() in some places. Change-Id: Iebf5355f08ed5c9a044844739350f829f874f0ce Reviewed-on: https://cl.tvl.fyi/c/depot/+/8293 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2023-03-14 r/5994 docs(tvix/eval): suggested layout adjustment to VM loop diagramAdam Joseph1-11/+11
Change-Id: I5467cd66801ad8fe6c4ec0ae337763f1762cea1c Reviewed-on: https://cl.tvl.fyi/c/depot/+/8252 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI Autosubmit: Adam Joseph <adam@westernsemico.com>
2023-03-14 r/5993 docs(tvix/eval): document inner workings of the new VM loopVincent Ambo1-45/+284
Change-Id: I8224bf039f739c401900b5a2ddc839810c87cf6e Reviewed-on: https://cl.tvl.fyi/c/depot/+/8226 Tested-by: BuildkiteCI Reviewed-by: Adam Joseph <adam@westernsemico.com>
2023-03-14 r/5992 chore(tvix): Generator{Request|Response} -> VM{Request|Response}Vincent Ambo3-130/+121
We settled on this being the most reasonable name for this construct. Change-Id: Ic31c45461a842f22aa05f4446123fe3a61dfdbc0 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8291 Tested-by: BuildkiteCI Autosubmit: tazjin <tazjin@tvl.su> Reviewed-by: raitobezarius <tvl@lahfa.xyz>
2023-03-13 r/5991 chore(tvix/eval): mark async functions which are called by the VMAdam Joseph3-0/+9
Given Rust's current lack of support for tail calls, we cannot avoid using `async` for builtins. This is the only way to avoid overflowing the cpu stack when we have arbitrarily deep builtin/interpreted/builtin/interpreted/... "sandwiches" There are only five `async fn` functions which are not builtins (some come in multiple "flavors"): - add_values - resolve_with - force, final_deep_force - nix_eq, nix_cmp_eq - coerce_to_string These can be written iteratively rather than recursively (and in fact nix_eq used to be written that way!). I volunteer to rewrite them. If written iteratively they would no longer need to be `async`. There are two motivations for limiting our reliance on `async` to only the situation (builtins) where we have no other choice: 1. Performance. We don't really have any good measurement of the performance hit that the Box<dyn Future>s impose on us. Right now all of our large (nixpkgs-eval) tests are swamped by the cost of other things (e.g. fork()ing `nix-store`) so we can't really measure it. Builtins tend to be expensive operations anyways (regexp-matching, sorting, etc) that are likely to already cost more than the `async` overhead. 2. Preserving the ability to switch to `musttail` calls. Clang/LLVM recently got `musttail` (mandatory-elimination tail calls). Rust has refused to add this mainly because WASM doesn't support, but WASM `tail_call` has been implemented and was recently moved to phase 4 (standardization). It is very likely that Rust will get tail calls sometime in the next year; if it does, we won't need async anymore. In the meantime, I'd like to avoid adding any further reliance on `async` in places where it wouldn't be straightforward to replace it with a tail call. https://reviews.llvm.org/D99517 https://github.com/WebAssembly/proposals/pull/157 https: //github.com/rust-lang/rfcs/issues/2691#issuecomment-1462152908 Change-Id: Id15945d5a92bf52c16d93456e3437f91d93bdc57 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8290 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI Autosubmit: Adam Joseph <adam@westernsemico.com>
2023-03-13 r/5990 refactor(tvix/eval): reduce fetch{forced|captured}_with visibilityAdam Joseph1-22/+22
This commit moves fetch_forced_with and fetch_captured_with into the scope of their only caller (resolve_with). Change-Id: I9a8bc27228888729d591e8cb021c431b2b6468f5 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8289 Autosubmit: Adam Joseph <adam@westernsemico.com> Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2023-03-13 r/5989 feat(tvix/eval): rewrite nix_cmp_ordering to be nonrecursiveAdam Joseph1-45/+46
This rewrites nix_cmp_ordering as an iterative loop, which eliminates the extra pinned-boxing helper function. Change-Id: I33d0ecc913e02affd8fd4c7bc1c9ecfdf4c7deb9 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8288 Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI Autosubmit: Adam Joseph <adam@westernsemico.com>
2023-03-13 r/5988 chore(tvix/eval): prune some dependencies & featuresVincent Ambo4-597/+28
* We no longer need backtrace-on-stack-overflow, as we no longer overflow the stack with the recent eval refactorings. This was weird voodoo anyways, introduced earlier to debug some cases where stack overflows occured. * default features of genawaiter crate are not needed, as we don't use their proc macros Change-Id: I346fc5a18d7f117ee805909a8be8f535b96be76c Reviewed-on: https://cl.tvl.fyi/c/depot/+/8263 Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI Reviewed-by: raitobezarius <tvl@lahfa.xyz>
2023-03-13 r/5987 refactor(tvix/eval): reorder bytecode operations match by frequencyVincent Ambo1-265/+264
This reorders the operations in the VM's main `match` statement while evaluating bytecode according to the frequency with which these operations appear in some nixpkgs evaluations. I used raw data that looks like this: https://gist.github.com/tazjin/63d0788a78eb8575b04defaad4ef610d This has a small but noticeable impact on evaluation performance. No operations have changed in any way, this is purely moving code around. Change-Id: Iaa4ef4f0577e98144e8905fec88149c41e8c315c Reviewed-on: https://cl.tvl.fyi/c/depot/+/8262 Reviewed-by: raitobezarius <tvl@lahfa.xyz> Reviewed-by: flokli <flokli@flokli.de> Tested-by: BuildkiteCI
2023-03-13 r/5986 chore(tvix/cli): silence useless warningVincent Ambo1-0/+1
Change-Id: I18f567d5dcbbeb934428bf9111eb5fae5fef0342 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8261 Reviewed-by: raitobezarius <tvl@lahfa.xyz> Tested-by: BuildkiteCI Reviewed-by: flokli <flokli@flokli.de>
2023-03-13 r/5985 docs(tvix/eval): fix reference to `Empty` message in a commentVincent Ambo1-1/+1
Change-Id: I3dc30cca33fbbd8e8686655635ee471f5937d9f8 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8257 Tested-by: BuildkiteCI Reviewed-by: raitobezarius <tvl@lahfa.xyz>
2023-03-13 r/5984 refactor(tvix/eval): rename VM::tail_call_value -> VM::call_valueVincent Ambo2-4/+4
The name of this was not accurate anymore after all the recent shuffling, as noted by amjoseph. Conceptual tail calls here only occur for Nix bytecode calling Nix bytecode, but things like a builtin call actually push a new native frame. Change-Id: I1dea8c9663daf86482b8c7b5a23133254b5ca321 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8256 Tested-by: BuildkiteCI Reviewed-by: raitobezarius <tvl@lahfa.xyz>
2023-03-13 r/5983 fix(tvix/eval): emit warnings from builtins.import againVincent Ambo3-14/+35
Wires up generator logic to emit warnings that already have spans attached again. Change-Id: I9f878cec3b9d4f6f7819e7c71bab7ae70bd3f08b Reviewed-on: https://cl.tvl.fyi/c/depot/+/8224 Tested-by: BuildkiteCI Reviewed-by: raitobezarius <tvl@lahfa.xyz>
2023-03-13 r/5982 fix(tvix/eval): more closely line up path resolution with cppnixVincent Ambo2-23/+51
... except now the tests fail, but at least it works Change-Id: I05e86c173f40533ae65548585c1ddaa200ac5235 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8214 Reviewed-by: raitobezarius <tvl@lahfa.xyz> Tested-by: BuildkiteCI
2023-03-13 r/5981 feat(tvix/cli): bundle corepkgs/fetchurl.nix with tvix-cliVincent Ambo3-1/+76
This file which ships with C++ Nix is required for evaluating nixpkgs. Like C++ Nix, we now inject a pseudo path in EvalIO from which this will resolve as <nix/fetchurl.nix> Change-Id: Ic948c476a2cfc6381d5655d308bc2d5fa25b7123 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8213 Reviewed-by: raitobezarius <tvl@lahfa.xyz> Tested-by: BuildkiteCI
2023-03-13 r/5980 refactor(tvix/eval): VM struct no longer needs to be publicVincent Ambo2-2/+2
Change-Id: I93b485ddd280cc15fcbaecf4aed5fcd22e28a8a8 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8212 Reviewed-by: raitobezarius <tvl@lahfa.xyz> Tested-by: BuildkiteCI
2023-03-13 r/5979 fix(tvix/eval): implement cppnix JSON-serialisation semanticsVincent Ambo12-70/+138
This drops the usage of serde::Serialize, as the trait can not be used to implement the correct semantics (function colouring!). Instead, a manual JSON serialisation function is written which correctly handles toString, outPath and other similar weirdnesses. Unexpectedly, the eval-okay-tojson test from the C++ Nix test suite now passes, too. This fixes an issue where serialising data structures containing derivations to JSON would fail. Change-Id: I5c39e3d8356ee93a07eda481410f88610f6dd9f8 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8209 Reviewed-by: raitobezarius <tvl@lahfa.xyz> Tested-by: BuildkiteCI
2023-03-13 r/5978 feat(tvix/eval): give generators human-readable namesVincent Ambo5-51/+80
This adds static strings to generator frames that describe the generator in a human-readable fashion, which are then logged in observers. This makes runtime traces very precise, explaining exactly what is being requested from where. Change-Id: I695659a6bd0b7b0bdee75bc8049651f62b150e0c Reviewed-on: https://cl.tvl.fyi/c/depot/+/8206 Tested-by: BuildkiteCI Reviewed-by: raitobezarius <tvl@lahfa.xyz>
2023-03-13 r/5977 fix(tvix/eval): handle toJSON on attribute sets with `outPath`Vincent Ambo5-6/+38
These are serialised as the serialisation of the value of that field. Change-Id: Ida51708b1f43ce09b0ec835f4e265918aa31dd09 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8205 Reviewed-by: raitobezarius <tvl@lahfa.xyz> Tested-by: BuildkiteCI
2023-03-13 r/5976 fix(tvix/eval): handle `__toString` when JSON-serialising attrsetsVincent Ambo5-0/+29
These must be serialised to a JSON string of the *result* of coercing the function application to a string. Change-Id: Ib7f49ccd950503ddbdbf99643cd59565e26b50da Reviewed-on: https://cl.tvl.fyi/c/depot/+/8204 Reviewed-by: raitobezarius <tvl@lahfa.xyz> Tested-by: BuildkiteCI
2023-03-13 r/5975 refactor(tvix/eval): move `__toString` calling to a helper functionVincent Ambo2-24/+34
It turns out that this is used not just in coerceToString, but also in toJSON. Change-Id: I1c324b115a0b8bb6d83446d5bf70453c9b90685e Reviewed-on: https://cl.tvl.fyi/c/depot/+/8203 Tested-by: BuildkiteCI Reviewed-by: raitobezarius <tvl@lahfa.xyz>
2023-03-13 r/5974 refactor(tvix/eval): print only *types* when observing generatorsVincent Ambo1-7/+11
Do not print the entire value (they're likely to be thunks anyways). This is useful because there *can* be cases where something like `nixpkgs` itself is sent through one of these messages, in which case the observer trying to print it will just blow up. Change-Id: I1fa37ea071d75efa0eb3428c6e2fe4351c62be6b Reviewed-on: https://cl.tvl.fyi/c/depot/+/8202 Tested-by: BuildkiteCI Reviewed-by: raitobezarius <tvl@lahfa.xyz>
2023-03-13 r/5973 fix(tvix/eval): don't print full stack in observerVincent Ambo1-1/+8
Print only the top 6 values of the stack, not the entire stack. There's very few operations that deal with more values anyways, so the rest are not likely to be useful. This gets us one step closer to tracing VERY large executions without blowing up. Change-Id: I97472321b0321b25d534d9f53b3aadfacc2318fa Reviewed-on: https://cl.tvl.fyi/c/depot/+/8201 Tested-by: BuildkiteCI Reviewed-by: raitobezarius <tvl@lahfa.xyz>
2023-03-13 r/5972 fix(tvix/eval): don't print full values in observerVincent Ambo1-1/+14
This can actually blow up when tracing arbitrary execution, as some of the data structures just get too large to run through a tabwriter. Change-Id: I6ec4c30ee48655b8a62954ca219107404fb2c256 Reviewed-on: https://cl.tvl.fyi/c/depot/+/8200 Tested-by: BuildkiteCI Reviewed-by: raitobezarius <tvl@lahfa.xyz>
generated by cgit-pink 1.4.1 (git 2.44.2) at 2024-11-17T18·00+0000