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722 commits

Author SHA1 Message Date
Vincent Ambo
d26c097d1b feat(tvix/eval): add module for string type implementation 
Change-Id: I5e4465acc4a676c10d7374b14f7a09240202b466
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6085
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
 2022-08-13 11:50:37 +00:00
Vincent Ambo
3ed45caad1 feat(tvix/eval): implement Display trait for Value enum 
This representation should match what the Nix REPL shows for result
values.

Change-Id: If3143d969fcdc123a6029e2aeb7bbd6ae51aeb71
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6082
Tested-by: BuildkiteCI
Autosubmit: tazjin <tazjin@tvl.su>
Reviewed-by: grfn <grfn@gws.fyi>
 2022-08-12 14:12:07 +00:00
Vincent Ambo
0d2896519c refactor(tvix/eval): move NumberPair struct definition to vm module 
This isn't relevant to the value type itself.

Change-Id: I678bc92a8a530b1081ed498bf3ff7925217bcc01
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6081
Tested-by: BuildkiteCI
Autosubmit: tazjin <tazjin@tvl.su>
Reviewed-by: grfn <grfn@gws.fyi>
 2022-08-12 14:09:27 +00:00
Vincent Ambo
9c5a249b30 feat(tvix/compiler): incompletely handle true/false/null literals 
These are a bit tricky to implement because Nix technically treats
them as identifiers, and only if the identifier is not explicitly
overridden within the scope does it yield the expected literal values.

Note that weirdness even occurs with scopedImport.

Change-Id: Ie55723405ccfcc25da37c5a08fa3332f37cf9ae5
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6080
Tested-by: BuildkiteCI
Autosubmit: tazjin <tazjin@tvl.su>
Reviewed-by: grfn <grfn@gws.fyi>
 2022-08-12 14:09:27 +00:00
Vincent Ambo
d431f43f5f feat(tvix/eval): implement boolean inversion operator 
Change-Id: Icb1d449fdee4d67b5f1eefdbc01baa1584ea0a67
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6079
Tested-by: BuildkiteCI
Autosubmit: tazjin <tazjin@tvl.su>
Reviewed-by: grfn <grfn@gws.fyi>
 2022-08-12 14:09:27 +00:00
Vincent Ambo
ded0fb9e21 feat(tvix/eval): implement equality operator 
Change-Id: I9dd54aed72cd7e67593dc76f5a046ebbda40c26f
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6078
Tested-by: BuildkiteCI
Autosubmit: tazjin <tazjin@tvl.su>
Reviewed-by: grfn <grfn@gws.fyi>
 2022-08-12 14:09:27 +00:00
Vincent Ambo
28f57abac1 refactor(tvix/compiler): use rnix's typed AST for literal values 
Change-Id: Ic56ab64ad82343c7cdf8168ef41ee0a97f7e1dd9
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6077
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
 2022-08-12 13:24:10 +00:00
Vincent Ambo
18fe188c3e feat(tvix/compiler): implement parens precedence 
Change-Id: I8944354b3690d7504e4fe4254f14be5b849b9bcf
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6076
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
 2022-08-12 13:24:10 +00:00
Vincent Ambo
72be759e1e feat(tvix/eval): implement unary negation operator 
Change-Id: I5d012cc073e55d79d7b34b88283aab3164864293
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6075
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
 2022-08-12 13:24:10 +00:00
Vincent Ambo
d35ecc0caf feat(tvix/eval): implement simple arithmetic binary operations 
Implements simple arithmetic operations (+, -, *, /).

There is some scaffolding included to pop and coerce pairs of numbers,
as the Nix language will let arithmetic operators apply to arbitrary
pairs of number types (always resulting in floats if the types are
mixed).

Change-Id: I5f62c363bdea8baa6ef812cc64c5406759d257cf
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6074
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
 2022-08-12 13:24:10 +00:00
Vincent Ambo
e96a2934ad feat(tvix/eval): add error variant for runtime type errors 
Change-Id: I74155cf01766b7a991a69522945bff67fbca5a16
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6073
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
 2022-08-12 13:24:10 +00:00
Vincent Ambo
e8253c7044 chore(tvix/eval): wire things up for development flow 
This creates a REPL which outputs compiled bytecode, constants, and VM
results for code snippets.

Change-Id: If63f79a961456afd6a4cdf59b994107ff7ab8b47
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6072
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
Autosubmit: tazjin <tazjin@tvl.su>
 2022-08-12 13:05:28 +00:00
Vincent Ambo
d59968649e feat(tvix/eval): add initial stack-based VM 
This can't do anything other than compute a single literal, for now

Change-Id: Ia28f9da51c906b590a198e77a4ca5d45a871106b
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6071
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
 2022-08-12 13:05:16 +00:00
Vincent Ambo
34df2c8473 feat(tvix/eval): add initial barebones compiler 
This compiler can only take care of very trivial literals so far.

Change-Id: I9dfac75a801b7235f868061a979ae24159fe1425
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6070
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
 2022-08-12 13:05:16 +00:00
Vincent Ambo
3aaefc3000 feat(tvix/eval): add initial chunk representation 
Change-Id: I53202e93938bede421c8f1c98901e4c67544e257
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6069
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
 2022-08-12 13:05:16 +00:00
Vincent Ambo
48a7449834 feat(tvix/eval): add initial opcode representation 
Change-Id: Ibc7685a6b0b92e08f0b6c82cf7d9b04fbb593a4e
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6068
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
 2022-08-12 13:05:16 +00:00
Vincent Ambo
8b7d2fd59e feat(tvix/eval): add initial value representation 
Change-Id: I427a04e89994662df2750dffe21991bad48aab15
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6066
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
 2022-08-12 12:39:19 +00:00
Vincent Ambo
bef8d67b6c chore(tvix/eval): add rnix-parser dependency 
Change-Id: I81bd8416b3837a728ecd7911fe1ca06e89b9e90e
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6065
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
 2022-08-12 12:39:19 +00:00
Vincent Ambo
8921688334 chore(tvix/eval): bootstrap some evaluator boilerplate 
Change-Id: I7770a20948d18a8506c2418dea21202aa21a6ddc
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6064
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
 2022-08-12 12:39:19 +00:00
Vincent Ambo
a9b2157fba chore(tvix/eval): check in naersk-based default.nix 
Change-Id: I9ff0c4a196747361a3e421863beaff07a4972b0f
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6067
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
 2022-08-12 12:39:19 +00:00
Vincent Ambo
7be4581876 docs(tvix/eval): Add initial evaluator README 
Change-Id: I85df002dc13c91a184d064586244f6a7440320fb
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6063
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
 2022-08-12 12:34:29 +00:00
Vincent Ambo
d1bf3d3577 feat(tvix/eval): check in generated project skeleton 
Change-Id: Iecc8283abb289de71f22076fd88892f6ded99cb3
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6062
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
 2022-08-12 12:34:29 +00:00