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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
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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
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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
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Change-Id: I5288849d0e93511b0b5664fa92f1c6882e4a1356
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6563
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
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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
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Change-Id: I633154f3a2ae2b1789992a1137c944e897c56b2c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6535
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
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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
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Anyone is free to pen a post for tvl.fyi if they want, so being able
to attribute the author might be useful.
This wasn't originally a feature because I wrote //web/blog only for
tazj.in initially.
Change-Id: Ibc50b53f92113a82a53ce40bb5defa18e926cc10
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6560
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
Reviewed-by: grfn <grfn@gws.fyi>
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As previously mentioned on IRC, this is why tvixbolt is under //corp.
The majority of people in our community probably block ads anyways,
but might as well ...
The ad account is linked to the TVL legal entity.
The ad is configured not to use any personalised data. In testing it's
showing me lamps and shoes. This is the same kind of ad as on my
grammar page, predlozhnik.ru
Change-Id: I172881ed5d5ceb1fdeb2298b8f822d0c2a6518a8
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6558
Reviewed-by: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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Change-Id: I2cf57abb0f8c21c3893e68ce2c6fb92a2c0d3ee6
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6559
Reviewed-by: flokli <flokli@flokli.de>
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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This adds an initial version of the post which we can play with for
further layouting. The post is marked as `draft`, so it will become
available at the direct link, but have a banner on it telling people
not to share it yet.
Change-Id: Idac69e56bee027c2b566f50ef123b54aff6ebc3e
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6538
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
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Unfortunately the codemap-diagnostic crate doesn't provide a way to
get colour control characters written to an arbitrary writer, so this
is black & white only, but we can look at this later if we introduce
something even fancier. For now it's reasonable.
Change-Id: I1c7655cc4b254f77768b5931bc95fa13b3bd7e12
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6533
Reviewed-by: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
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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
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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
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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
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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
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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
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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
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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
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Change-Id: I534cf918fc3e03ce8c14cf15f6d3280b6a657c8d
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6536
Reviewed-by: tazjin <tazjin@tvl.su>
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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I could not get nginx to serve it from `tvl.su/tvixbolt`, and ran out
of interest in trying to fix it, so lets put it on a subdomain
instead.
Change-Id: I1313d75cc9831d94a894191376534b1e5186a76a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6537
Reviewed-by: tazjin <tazjin@tvl.su>
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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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>
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For termius access
Change-Id: Ic91b80bfc8deb816b5a7634ca5e74bb026729067
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6542
Reviewed-by: wpcarro <wpcarro@gmail.com>
Autosubmit: wpcarro <wpcarro@gmail.com>
Tested-by: BuildkiteCI
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Gotta print stuffs at the office (every decade or so)
Change-Id: I3241b7a86eead50cadf785bb0204c803e40ac360
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6543
Reviewed-by: wpcarro <wpcarro@gmail.com>
Autosubmit: wpcarro <wpcarro@gmail.com>
Tested-by: BuildkiteCI
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Change-Id: I76326c20a525044e89d3cd1392a29faa3414ca04
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6529
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
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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>
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This shortcut is so unbelievably annoying on some keyboards.
Change-Id: I5c96d490fd42aa8422fa48be87079b60af81fcd3
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6527
Reviewed-by: tazjin <tazjin@tvl.su>
Autosubmit: tazjin <tazjin@tvl.su>
Tested-by: BuildkiteCI
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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
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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
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... 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
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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
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This change cannot be deployed OOTB: you must upgrade
by 3.5.2+ first, and run copy-approvals.
Change-Id: Ia2e49da4d801a21a3db59e2d5b054eeb46d7dc79
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6505
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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only run test_nix_store_add() when the feature integration_tests is
enabled.
Change-Id: I600f08ecaefe1ce77651ae07a58d7987107ab969
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6084
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
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Change-Id: I9f87ced716a4328b24fd8fa2eec077ce8dc4a7db
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6504
Tested-by: BuildkiteCI
Autosubmit: tazjin <tazjin@tvl.su>
Reviewed-by: tazjin <tazjin@tvl.su>
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Change-Id: I90722d59dea4c7694eb5a7cf505db31196ba6c6c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6501
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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Change-Id: If32f9e4c9212f20a39baa15d479ff1387c17570d
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6500
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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Change-Id: I36b826f12854a22e60a27ed1982ab5528c58bdad
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6489
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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Change-Id: I18d50ac8e157929a027f8bf284e65f1eb8950d5a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6488
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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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>
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Change-Id: I00efbbb8b9d3d22f32becf0919c6adf1be8b4b69
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6465
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
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