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2022-09-13 r/4849 fix(tvix/eval): force left argument of `?` before checking for attrssterni3-0/+29
OpAttrsIsSet and OpAttrsTrySelect will fail silently if the attribute set value on the stack is actually a thunk, so we need to make sure to force at every step of the way. Emitting the force instructions in the compiler because it is easier to add, but maybe the VM should do this when handling the relevant opcodes? Comments welcome. Change-Id: I65c5ef348d59b2d07c9bb06abb24f9f3e6a0fdb2 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6540 Reviewed-by: grfn <grfn@gws.fyi> Autosubmit: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2022-09-13 r/4848 fix(tvix/eval): force value in builtins.typeOfsterni3-2/+27
This prevents Nix programs to observe the "internal" type of thunks. Possibly .type_of() is also an area of the runtime where we should panic if "internal" would ever be returned. Change-Id: I9f358044c48ad64896fb6a1b1a42f00a29efac00 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6539 Autosubmit: sterni <sternenseemann@systemli.org> Reviewed-by: wpcarro <wpcarro@gmail.com> Reviewed-by: grfn <grfn@gws.fyi> Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-09-13 r/4847 fix(tvix/eval): force exprs inside string interpolationsterni1-1/+5
The expression inside ${…} may return arbitrary values, including thunks, so we need to make sure to force them just in case. Change-Id: Ic11ba00c4c92a10a83becd91233db5f57f6e59c8 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6541 Autosubmit: sterni <sternenseemann@systemli.org> Reviewed-by: grfn <grfn@gws.fyi> Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
2022-09-13 r/4846 refactor(tvix/eval): cover all Value variants in force_for_outputVincent Ambo1-1/+8
Avoids accidentally dropping one on the floor if we add more, pointed out by sterni in cl/6372 Change-Id: Ib7bb0ce9c8331c8337003d20c4d5240dfae1c32a Reviewed-on: https://cl.tvl.fyi/c/depot/+/6570 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-13 r/4845 fix(tvix/eval): add branch for directly comparing two thunksVincent Ambo1-0/+1
Pointed out by sterni in cl/6370 Change-Id: I324d8049a2702ced8f30ad43a64d63ae79dd0eab Reviewed-on: https://cl.tvl.fyi/c/depot/+/6569 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-13 r/4844 fix(tvix/eval): use fragment span for OpAttrsSelectVincent Ambo1-2/+2
Pointed out by sterni in cl/6389 Change-Id: I648056a760266a8cfd7adcdc478c7ff2132991f7 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6568 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-13 r/4843 refactor(tvix/eval): point `OpPushWith` span at namespaceVincent Ambo1-1/+1
Pointed out by sterni in cl/6395 Change-Id: I2dda2bb11fef702df05fd7a4fd93b9e717a85dad Reviewed-on: https://cl.tvl.fyi/c/depot/+/6567 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-13 r/4842 refactor(tvix/eval): point `OpAssert` span at conditionVincent Ambo1-1/+1
This is more useful than pointing it at the entire assert expression, as that includes the body as well which is not going to be relevant in the error. Pointed out by sterni in cl/6391 Change-Id: I95a5d1edf90df65e7fa53d4d04502afd6e99e89a Reviewed-on: https://cl.tvl.fyi/c/depot/+/6566 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-13 r/4841 chore(tvix/eval): do not inherit scope depth in new scopesVincent Ambo1-1/+0
This is no longer required, resolution is now more sane. Pointed out by sterni in cl/6422. Change-Id: Icc8983c648f864e66813948df6e2d4bad6a7f312 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6565 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-13 r/4840 refactor(tvix/eval): encapsulate scope_depth in compiler::scopeVincent Ambo3-15/+20
This field no longer needs to be directly accessible by the compiler. Addresses a sterni lint from cl/6466 Change-Id: I5e6791943d7f0ab3d9b7a30bb1654c4a6a435b1f Reviewed-on: https://cl.tvl.fyi/c/depot/+/6564 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-13 r/4839 fix(tvix/eval): address current clippy lintsVincent Ambo2-6/+6
Change-Id: I5288849d0e93511b0b5664fa92f1c6882e4a1356 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6563 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-13 r/4838 refactor(tvix/eval): use CodeIdx wrapper for instruction pointerVincent Ambo3-9/+34
As suggested by sterni in cl/6453. Change-Id: I3cf80d97c11fd7d085ab510f6be4b5f937c791ec Reviewed-on: https://cl.tvl.fyi/c/depot/+/6562 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-13 r/4836 feat(tvix/eval): implement initial fancy formatting for errorsVincent Ambo3-27/+145
This very closely follows the way it's done for warnings, but errors have a lot more information available in some cases which we do not surface yet. Note also that due to requiring the `CodeMap`, this is not yet called from eval.rs as the way that is threaded through needs to be refactored, so only the method for reporting these errors as strings is implemented so far. Next steps for this will be to add a generic diagnostics module that reduces some of the boilerplate for this between warnings & errors, and which will also give us a good point in the future to switch to a fancier diagnostics crate. Change-Id: If6bb209f8e7a568d866e516a90335b9b2afbf66d Reviewed-on: https://cl.tvl.fyi/c/depot/+/6534 Reviewed-by: grfn <grfn@gws.fyi> Tested-by: BuildkiteCI
2022-09-13 r/4830 feat(tvix/eval): implement initial fancy display for warningsVincent Ambo3-9/+94
This implements an initial fancy display for warnings emitted by the tvix compiler, using the codemap_diagnostic crate. Each warning variant has an associated message, and optionally an associated annotation for the span displayed to the user. In theory we could get a lot more fancy with the display for specific variants if needed (e.g. re-parse the AST and actually add multiple semantic spans based on context), but this is already a good start. Example: tvix-repl> let toString = https://tvl.fyi; in let inherit toString; in ({}: 42) rec {} warning[W004]: declared variable 'toString' shadows a built-in global! --> [tvix-repl]:1:5 | 1 | let toString = https://tvl.fyi; in let inherit toString; in ({}: 42) rec {} | ^^^^^^^^ variable declared here warning[W001]: URL literal syntax is deprecated, use a quoted string instead --> [tvix-repl]:1:16 | 1 | let toString = https://tvl.fyi; in let inherit toString; in ({}: 42) rec {} | ^^^^^^^^^^^^^^^ warning[W002]: inherited variable already exists with the same value --> [tvix-repl]:1:40 | 1 | let toString = https://tvl.fyi; in let inherit toString; in ({}: 42) rec {} | ^^^^^^^^^^^^^^^^^ warning[W999]: feature not yet implemented in tvix: recursive attribute sets --> [tvix-repl]:1:70 | 1 | let toString = https://tvl.fyi; in let inherit toString; in ({}: 42) rec {} | ^^^^^^ warning[W999]: feature not yet implemented in tvix: closed formals --> [tvix-repl]:1:62 | 1 | let toString = https://tvl.fyi; in let inherit toString; in ({}: 42) rec {} | ^^ warning[W003]: variable 'toString' is declared, but never used: --> [tvix-repl]:1:5 | 1 | let toString = https://tvl.fyi; in let inherit toString; in ({}: 42) rec {} | ^^^^^^^^ variable declared here => 42 :: int These are coloured when output to a terminal. Change-Id: If315648a07e333895db4ae1d0915ee2013806585 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6532 Autosubmit: tazjin <tazjin@tvl.su> Reviewed-by: grfn <grfn@gws.fyi> Tested-by: BuildkiteCI
2022-09-13 r/4827 chore(tvix/eval): add dependency on codemap-diagnosticVincent Ambo2-0/+22
This is a crate for source-span based error reporting. Since all of our spans are already codemap spans, it is a good starting point. We have to figure out quite a bit of logic for neat error printing; later on if we want fancier presentation we might want to look at one of the other libraries in this space like miette. Change-Id: I4e28886af1ed199b7112d9dbf063c9f29b612bf1 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6531 Autosubmit: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org> Reviewed-by: grfn <grfn@gws.fyi>
2022-09-11 r/4824 chore(tvix/eval): address current clippy lintsVincent Ambo1-2/+1
Change-Id: I76326c20a525044e89d3cd1392a29faa3414ca04 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6529 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-11 r/4823 refactor(tvix/eval): remove `todo!()` calls in compilerVincent Ambo4-5/+29
It is impossible for tvixbolt to recover from panics, so the user experience of typing an expression using an unsupported feature was that it would get sad and stop responding to input. Instead, raise a normal value-level error of a new variant and continue where possible. Change-Id: Ibe016c92cacb87b85095c0f83758eddc6468053e Reviewed-on: https://cl.tvl.fyi/c/depot/+/6528 Autosubmit: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-11 r/4821 docs(tvix/eval): propose builtin "inlining" optimisationsterni1-0/+18
Change-Id: I96a187792a1fd48cffd6b56ec22347aee8cae3af Reviewed-on: https://cl.tvl.fyi/c/depot/+/6526 Autosubmit: sterni <sternenseemann@systemli.org> Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-09-11 r/4820 docs(tvix/eval): mention `?` and `or` for builtins optimisationsterni1-1/+3
Change-Id: Ifaa6da345d408a69ce46d6a0e7483352715c75bd Reviewed-on: https://cl.tvl.fyi/c/depot/+/6525 Autosubmit: sterni <sternenseemann@systemli.org> Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-09-11 r/4819 docs(tvix/eval): remove the note on the private repoVincent Ambo1-8/+6
... because we are basically caught up now! Change-Id: Icdc06ff7ca5729c21301f009e94acfcd0f80879a Reviewed-on: https://cl.tvl.fyi/c/depot/+/6503 Autosubmit: tazjin <tazjin@tvl.su> Reviewed-by: flokli <flokli@flokli.de> Reviewed-by: grfn <grfn@gws.fyi> Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-11 r/4818 docs(tvix/eval): add some notes on cloning & building tvix-evalVincent Ambo1-0/+23
Change-Id: I8cc359952b41994c2ba8bcfb8b0b6fc629bb81ea Reviewed-on: https://cl.tvl.fyi/c/depot/+/6502 Reviewed-by: sterni <sternenseemann@systemli.org> Autosubmit: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
2022-09-11 r/4814 fix(tvix/eval): pass correct slot when compiling attr valuesVincent Ambo1-1/+1
Change-Id: I90722d59dea4c7694eb5a7cf505db31196ba6c6c Reviewed-on: https://cl.tvl.fyi/c/depot/+/6501 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-11 r/4813 fix(tvix/eval): reduce scope depth in scope moduleVincent Ambo2-2/+2
Change-Id: If32f9e4c9212f20a39baa15d479ff1387c17570d Reviewed-on: https://cl.tvl.fyi/c/depot/+/6500 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-11 r/4812 feat(tvix/eval): add Chunk::pop_op methodVincent Ambo1-0/+22
This is used to drop an already emitted operation from a chunk again and clean up its span tracking. This is required in cases where the compiler has to backtrack. Change-Id: I8112da9427688bb2dec96a2ddd12390f6e9734c3 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6499 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-11 r/4811 refactor(tvix/eval): refactor methods for parsing static identsVincent Ambo1-22/+39
Refactors the methods used for determining whether an identifier in a binding (i.e. an `rnix::Attr` node) is a static string, and extracting it. Previously all uses of this logic were for `let`-expressions, where dynamic attributes are always an error. However, we need the same logic to properly implement the phase separation of attribute set compilation. To facilitate this, the actual core logic of these methods now return `Option`, and are only converted to errors in cases where the errors are actually required. Change-Id: Iad7826eff2cb428182521c6f92276310edeae1eb Reviewed-on: https://cl.tvl.fyi/c/depot/+/6498 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-11 r/4810 refactor(tvix/eval): move attrset-related code to compiler::attrsVincent Ambo2-202/+209
There's about to be a lot more code for attrsets (hopefully temporarily as part of an expand&contract cycle), while nested attribute logic is being refactored in preparation for recursive attribute sets. This does not change any functionality. Change-Id: I667565cd810ca7d9046120d1721c2ceb9095550b Reviewed-on: https://cl.tvl.fyi/c/depot/+/6497 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-11 r/4809 fix(tvix/eval): place plain inherits in correct stack slotssterni3-27/+62
We need to make sure that we compile all plain inherits in a let expression before declaring any other locals. Plain inherits are special in the sense that they can never be recursive, instead resolving to a higher scope. Thus we need to compile their value, before declaring them. If we don't do that, before any other local can be declared, we cause a situation where the plain inherits' values are placed into other locals' stack slots. Note that we can't integrate the plain inherit compilation into the regular 2-3 phase model where we defer the compilation of the value or we'd compile `let inherit x; in …` as `let x = x; in …`. Change-Id: I951d5df3c9661a054e12401546875f4685b5bf08 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6496 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su> Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-11 r/4808 test(tvix/eval): add test for mutually recursive let bindingssterni2-0/+15
This test shows that let bindings' dependencies can form a cyclical graph, so we need to use thunking to break this cycle. Change-Id: I2a4de71fd7024f3d3d1166154784139a82f39411 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6495 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su> Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-11 r/4807 fix(tvix/eval): wrap asserts in a thunksterni3-1/+12
As the new test case demonstrates, asserts need to be evaluated lazily. Change-Id: I808046722c5a504e9497855ca5026d255c7a4c34 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6494 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su> Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-11 r/4806 test(tvix/eval): test “useful” plain inheritssterni2-0/+10
Change-Id: Ic4700f0618a393e45a2ee7c70045edff97e30c49 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6493 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su> Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-11 r/4805 fix(tvix/eval): declare let inherit (from) locals before compilingsterni5-49/+69
The recent change that split declaration of let based locals and the compilation of their values did not touch locals bound by inherit in let. These were previously declared and compiled immediately before starting to work on the other locals introduced in a let. In the case of plain inherits, this behavior is kept in this change, because there's nothing wrong with it: The value of a plain inherit will always resolve to a higher scope, either statically or dynamically. Since inherit (from) expression might refer to other locals bound in the same let, we need to handle them in the same three steps as ordinary let based locals: 1. We need to declare the (uninitialised) locals. 2. We need to compile the expression that obtains their value. For this, we create a new thunk, since the from expression may very well return a thunk which we need to force before selecting the value we are interested in. 3. Thunks need to be finalised. For 1., we create an extra pass over the inherits that already declares and initialises plain inherits and notes inherit (from) expressions in the entries vector after declaring them. 2. only needs a bit of adapting to create the thunks for selecting if appropriate, the rest of the existing code can be reused. Change-Id: Ie4ac1c0f9ffcbf7c07c452036aa8e577443af773 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6490 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org> Reviewed-by: tazjin <tazjin@tvl.su>
2022-09-11 r/4804 docs(tvix/eval): add some notes on recursive attribute setsVincent Ambo1-0/+60
Change-Id: I36b826f12854a22e60a27ed1982ab5528c58bdad Reviewed-on: https://cl.tvl.fyi/c/depot/+/6489 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-11 r/4803 docs(tvix/eval): add optimisation note on eliminating `with` thunksVincent Ambo1-6/+9
Change-Id: I18d50ac8e157929a027f8bf284e65f1eb8950d5a Reviewed-on: https://cl.tvl.fyi/c/depot/+/6488 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-11 r/4802 fix(tvix/eval): thunk all uses of `with`Vincent Ambo5-1/+22
With this all other "weird scope" logic starts working for `with` as well. Change-Id: I0ea1d8c5fbd9cec5084bd574224f77b71ff2b487 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6487 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-11 r/4801 refactor(tvix/eval): capture entire with_stack in upvaluesVincent Ambo5-149/+123
This completely rewrites the handling of "dynamic upvalues" to, instead of resolving them at thunk/closure instantiation time (which forces some values too early), capture the entire with stack of parent contexts if it exists. There are a couple of things in here that could be written more efficiently, but I'm first working through this to get to a bug related to with + recursion and the code complexity of some of the optimisations is distracting. Change-Id: Ia538e06c9146e3bf8decb9adf02dd726d2c651cf Reviewed-on: https://cl.tvl.fyi/c/depot/+/6486 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-11 r/4800 refactor(tvix/eval): introduce Upvalues struct in closures & thunksVincent Ambo4-30/+65
This struct will be responsible for tracking upvalues (and is a convenient place to introduce optimisations for reducing value clones) instead of a plain value vector. The main motivation for this is that the upvalues will have to capture the `with`-stack fully and I want to avoid duplicating the logic for this between the two capturing types. Change-Id: I6654f8739fc2e04ca046e6667d4a015f51724e99 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6485 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-11 r/4799 fix(tvix/eval): use correct lambda address in observerVincent Ambo1-1/+1
Instead of the reference to the Rc, print the address of the Rc itself. Change-Id: I4560598924db7d2864d5c4ae9af847aee2ea7eff Reviewed-on: https://cl.tvl.fyi/c/depot/+/6471 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-11 r/4798 fix(tvix/eval): correctly account for slots during list constructionVincent Ambo3-1/+32
Similarly to attribute sets, list elements can be arbitrary expressions and their (temporary) stack slots during construction must be accounted for by the compiler. Change-Id: I3b6f7927860627fd867c64d0cab9104fd636d4f5 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6470 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-11 r/4797 refactor(tvix/eval): cut down one iteration over locals arrayVincent Ambo1-1/+2
Caught by sterni in cl/6339 Change-Id: I2f2cd746114f14854cf599a7223a42a3e8ebe4fc Reviewed-on: https://cl.tvl.fyi/c/depot/+/6469 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-11 r/4796 fix(tvix/eval): account for attrset temporaries during constructionVincent Ambo5-2/+68
The temporaries left on the stack as operands to `OpAttrs` must be accounted for in the locals array in order for operations within them to receive correct slots. Some test cases that were previously broken have been added. Change-Id: Ib52b629bbdf7931f63fd45a45af1073022da923c Reviewed-on: https://cl.tvl.fyi/c/depot/+/6468 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-11 r/4795 refactor(tvix/eval): add `initialised` arg to declare_phantomVincent Ambo2-9/+8
There are more upcomming uses of declare_phantom where this will come in handy to avoid some code bloat. Change-Id: I75cad8caf14511c519ab2f56e87e99bcbf0a082e Reviewed-on: https://cl.tvl.fyi/c/depot/+/6467 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-11 r/4794 refactor(tvix/eval): encapsulate scope cleanup logic in moduleVincent Ambo2-37/+55
Moves the logic for removing tracked locals from a given scope from the compiler's locals list, and leaves only the actual compiler-related stuff (emitting warnings, cleaning up locals at runtime) in the compiler itself. Change-Id: I9da6eb54967f0a7775f624d602fe11be4c7ed5c4 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6466 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-11 r/4793 fix(tvix/eval): avoid forcing with-target until absolutely necessaryVincent Ambo2-5/+11
Change-Id: I00efbbb8b9d3d22f32becf0919c6adf1be8b4b69 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6465 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-11 r/4792 refactor(tvix/eval): extract attribute set inherit into helperVincent Ambo1-18/+31
This will be re-used between the code paths for recursive/non-recursive sets, and it might even be possible to unify it with the logic for compiling `let inherit ...`. Change-Id: I960a061048ac583a6e932e11ff6e642d9fc3093e Reviewed-on: https://cl.tvl.fyi/c/depot/+/6464 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-11 r/4790 feat(tvix/eval): implement "formals" function parametersVincent Ambo2-1/+101
The comment explains how this works fairly well. Note that this does not yet have the ability to check "closed formals", i.e. without an ellipsis Tvix will *NOT* fail if unexpected attribute set keys are provided. Change-Id: I0d2b77e893243093d2789baa57f876d35d0a32ff Reviewed-on: https://cl.tvl.fyi/c/depot/+/6463 Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
2022-09-10 r/4788 fix(tvix/eval): always add history entries in REPLVincent Ambo1-1/+1
... even if the code is broken. Change-Id: I5898bceaebf201b97e8988c94c90e7fafff82529 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6462 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-10 r/4787 fix(tvix/eval): reintroduce 'InvalidAttribuetName' error variantVincent Ambo2-1/+11
As pointed out by sterni in cl/6205, this is actually possible in syntactically valid expressions like { ${12 + 13} = 12; } Change-Id: Id8a1e3aceb551f288f9050c4eea563eb6572f1a7 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6461 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-10 r/4786 fix(tvix/eval): fix doc comment syntax where applicableVincent Ambo10-110/+122
As pointed out by grfn on cl/6091 Change-Id: I28308577b7cf99dffb4a4fd3cc8783eb9ab4d0d6 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6460 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-10 r/4785 feat(tvix/eval): conditionally use tracing/disassembling observersVincent Ambo1-7/+23
Gates the observes behind the envvars `TVIX_DUMP_BYTECODE` and `TVIX_TRACE_RUNTIME`. (hi grfn, yes, we should probably introduce CLI flags soon) Change-Id: I4fa194a84b04593d609b96b44471c3644fb30296 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6459 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-10 r/4784 feat(tvix/eval): optimise tail calls in emitted chunksVincent Ambo1-2/+20
When the last instruction in a chunk is OpCall, make it an OpTailCall instead. Change-Id: I2c80a06ee85e4abf545887b1a79b6d8b5e6123e9 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6458 Tested-by: BuildkiteCI Reviewed-by: sterni <sternenseemann@systemli.org>
generated by cgit-pink 1.4.1 (git 2.44.2) at 2024-11-02T06·10+0000