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2021-01-16 r/2113 feat(tazjin/rlox): Implement variable depth resolverVincent Ambo5-16/+217
Implements the first part of the resolver from https://craftinginterpreters.com/resolving-and-binding.html This is wired up to the execution paths in main, but not yet in the tests. The resolved depth is also not actually used for variable lookups (yet). Change-Id: I3a8615252b7b9b12d5a290c5ddf85988f61b9184 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2403 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2021-01-14 r/2109 feat(tazjin/rlox): Implement support for closuresVincent Ambo2-24/+57
Change-Id: I0ffc810807a1a6ec90455a4f2d2bd977833005bd Reviewed-on: https://cl.tvl.fyi/c/depot/+/2396 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2021-01-14 r/2108 feat(tazjin/rlox): Implement early return from functionsVincent Ambo3-1/+47
In the book this is implemented via exceptions as control flow, and I'm sticking somewhat closely to that by doing it via an error variant. Change-Id: I9c7b84d6bb28265ab94021ea681df84f16a53da2 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2395 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2021-01-14 r/2107 refactor(tazjin/rlox): Let scanner tokens own their lexemeVincent Ambo5-158/+150
This removes the runtime dependency on a borrow into the program source code. It's not yet ideal because there are a lot of tokens where we really don't care about the lexeme, but this is what the book does and I am not going to change that. Change-Id: I888e18f98597766d6f725cbf9241e8eb2bd839e2 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2394 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2021-01-14 r/2106 feat(tazjin/rlox): Implement function definitionsVincent Ambo3-5/+28
... with this, functions now work. Note that this bubbled up another weird code structure nit: The parser::Function type should probably not carry its name directly. However this doesn't matter much and I don't care right now. Change-Id: If8e3b23f07033260433b9acd45f37c0e61fd2ff8 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2393 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2021-01-14 r/2105 feat(tazjin/rlox): Implement calling user-defined functionsVincent Ambo1-7/+20
This slightly jiggles around interpret_block to let callers pass in an environment. Change-Id: I03112a38be0e8696242d8eae8d41da8c2cc66b48 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2392 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2021-01-14 r/2104 refactor(tazjin/rlox): Thread lifetimes through interpreterVincent Ambo3-48/+59
In order to store a function in the interpreter's representation of a callable, the lifetimes used throughout rlox need to be threaded through properly. This is currently not optimal, for two reasons: * following the design of the book's scanner, the source code slice needs to still be available at runtime. Rust makes this explicit, but it seems unnecessary. * the interpreter's lifetime is now bounded to be smaller than the source's, which means that the REPL no longer persists state between evaluations Both of these can be fixed eventually by diverging the scanner from the book slightly, but right now that's not my priority. Change-Id: Id0bf694541ff59795cfdea3c64a965384a49bfe2 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2391 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2021-01-14 r/2103 feat(tazjin/rlox): Parse function declarationsVincent Ambo2-4/+67
Change-Id: I1db4316563827976e5233dc7a626968f80b992ef Reviewed-on: https://cl.tvl.fyi/c/depot/+/2390 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2021-01-14 r/2102 refactor(tazjin/rlox): Add helper method for parsing identifiersVincent Ambo2-16/+19
Change-Id: I9a45f823f16919319d6135225d5bd53ed54c2530 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2388 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2021-01-14 r/2101 refactor(tazjin/rlox): Let Parser::match_token take a single kindVincent Ambo1-24/+22
This is much easier to read & write. It's been annoying me all the way through. Change-Id: Ia91756d3111a2ce3f74e1c14bccc210118d221dd Reviewed-on: https://cl.tvl.fyi/c/depot/+/2387 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2021-01-14 r/2100 test(tazjin/rlox): Add a handful of interpreter testsVincent Ambo2-0/+66
Change-Id: I32dd896d42cc73d68d73093e9cbb74b48d95e041 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2386 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2021-01-14 r/2099 feat(tazjin/rlox): Implement PartialEq for interpreter::ValueVincent Ambo1-0/+10
Values have equality, unless they're functions. Change-Id: Ie5c623081a1fa556e6b7a5251b0ce85af68dd31a Reviewed-on: https://cl.tvl.fyi/c/depot/+/2385 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2021-01-14 r/2098 feat(tazjin/rlox): Always return values from interpreterVincent Ambo1-20/+23
This makes it easier to write interpreter tests, as we don't need to look at output and such. Change-Id: I6f8ce0cb0c482b8c00707d09e6be750c8e534176 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2384 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2021-01-14 r/2097 refactor(tazjin/rlox): Constructor for interpreter with globalsVincent Ambo2-3/+21
Change-Id: Id8242c22500c8e2781cc656d3faabb28d9bdf091 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2383 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2021-01-14 r/2096 feat(tazjin/rlox): Implement function call evaluationVincent Ambo2-2/+34
Change-Id: I6767c3a1a9654475b4066415f8c026b9c5b5907a Reviewed-on: https://cl.tvl.fyi/c/depot/+/2382 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2021-01-14 r/2095 feat(tazjin/rlox): Scaffolding for builtin functionsVincent Ambo2-0/+49
... and adds an example builtin which returns the current epoch. The types introduced by this, especially in the interpreter module, are going to be used for user-defined functions, too. Change-Id: I0364a67241e94642cde08489ac711a340e30ebe8 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2381 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2021-01-13 r/2093 refactor(tazjin/rlox): Wrap interpreter values in new enumVincent Ambo1-25/+52
This makes it possible to distinguish between literal and other values, such as functions. Change-Id: I4d87b96c2988e25a61eecfeeb56188fabfd0dc40 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2367 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2021-01-13 r/2092 feat(tazjin/rlox): Parse function callsVincent Ambo2-4/+53
Change-Id: I1836c73dbfd5fc4ca30c2d22bbffee2fb222d566 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2366 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2021-01-13 r/2078 chore(3p): Bump NixOS channels to 2021-01-09Vincent Ambo1-6/+2
Your regularly scheduled channel update, but slightly more regular than before. Included fixes: * 3p/emacs: Pick telega.el from stable channel, unstable is broken. * glittershark/fprintd: Compile with gcc9, since build fails with the new default of gcc10 * glittershark/fprintd: Use a global overlay for the fprintd package until https://github.com/NixOS/nixpkgs/pull/108962 lands in nixos-unstable * glittershark/home: Don't install rr, as it's not building with gcc10 Co-Author: Griffin Smith <grfn@gws.fyi> Change-Id: Ia715fef64a405a220049fc540017356fa7370e0b Reviewed-on: https://cl.tvl.fyi/c/depot/+/2341 Reviewed-by: tazjin <mail@tazj.in> Reviewed-by: glittershark <grfn@gws.fyi> Reviewed-by: lukegb <lukegb@tvl.fyi> Tested-by: BuildkiteCI
2021-01-10 r/2069 chore(tazjin/emacs): Remove org-journalVincent Ambo2-24/+0
I haven't used this much in the last months and it's causing issues via some hook now, so bye bye. Change-Id: If2b321887569b31c0ac7ad3fdd1b9c1d9f7b69f7 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2344 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2021-01-09 r/2067 feat(tazjin/nisp): Add initial source-to-source transformVincent Ambo1-0/+137
... this isn't finished yet, in particular it lacks: * better support for attribute sets * support for defining functions that take attribute sets Change-Id: Ia897fccd9d2b674b6ed12907ae297bfdcc86db48 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2237 Tested-by: BuildkiteCI Reviewed-by: glittershark <grfn@gws.fyi> Reviewed-by: tazjin <mail@tazj.in>
2021-01-06 r/2063 feat(tazjin/rlox): Implement for loops via desugaring to whileVincent Ambo1-0/+62
Change-Id: I31a93efcc8e0c2bcb8549e2a2c05bb58d2dc74ca Reviewed-on: https://cl.tvl.fyi/c/depot/+/2326 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2021-01-06 r/2062 feat(tazjin/rlox): Parse & interpret while statementsVincent Ambo2-0/+40
Change-Id: Iee772274de95dfd6a6d4af973402859aeda17b1d Reviewed-on: https://cl.tvl.fyi/c/depot/+/2325 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2021-01-06 r/2061 feat(tazjin/rlox): Parse & interpret logical operatorsVincent Ambo2-2/+55
Change-Id: I1a7d0eda61f7f077b820dc0d2c2516e204966962 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2324 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2021-01-06 r/2060 feat(tazjin/rlox): Interpret if statementsVincent Ambo1-1/+13
Change-Id: Ic6aed29bec42098eb07e1ba9eb01dbcaae8d11e3 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2322 Tested-by: BuildkiteCI Reviewed-by: tazjin <mail@tazj.in>
2021-01-06 r/2059 feat(tazjin/rlox): Parse if statementsVincent Ambo3-1/+45
Change-Id: I2352d75a3f02d65a5a2d04fb2cc4daa50f11ca1e Reviewed-on: https://cl.tvl.fyi/c/depot/+/2321 Tested-by: BuildkiteCI Reviewed-by: tazjin <mail@tazj.in>
2020-12-31 r/2039 refactor(tazjin/rlox): Hold shared environment ptr in interpreterVincent Ambo1-17/+37
Change-Id: Ia4c4ef330be431a344d42bc00d3a518825fb9399 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2305 Tested-by: BuildkiteCI Reviewed-by: tazjin <mail@tazj.in>
2020-12-31 r/2038 feat(tazjin/rlox): Implement block scope in interpreterVincent Ambo1-1/+28
This is currently a bit hacky because of the environment wrapping/unwrapping, will refactor this to just keep a single Rc around instead. Change-Id: Iad1cbbe35112d0329248d4655a09260fc60644c8 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2304 Tested-by: BuildkiteCI Reviewed-by: tazjin <mail@tazj.in>
2020-12-31 r/2037 feat(tazjin/rlox): Implement block parsingVincent Ambo3-6/+23
Change-Id: I1b7235ed71fa36120984a36f22cd564f59581352 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2303 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-12-31 r/2036 refactor(tazjin/rlox): Unify parser::Statement & parser::DeclarationVincent Ambo2-27/+20
Change-Id: I6f21b246eb9d3bf760edb3220ce6be5de5b05b08 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2302 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-12-31 r/2035 feat(tazjin/rlox): Add support for scoped environmentsVincent Ambo1-8/+26
Adds scoped environments using a sophisticated structure known as an SRPT, which stands for "shitty parent pointer tree". Change-Id: I62f66aabe6eb32ea01c4cabcca5b03cfefcc28ee Reviewed-on: https://cl.tvl.fyi/c/depot/+/2301 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-12-31 r/2034 refactor(tazjin/rlox): Separate assignment and definitionVincent Ambo1-1/+14
So that: > var a = 15; > b = 12; Error in program: Error { line: 0, kind: UndefinedVariable("b") } > a = 12; print a; Number(12.0) Change-Id: I687e95ccc2d3084e39a71bd452656ae981c95191 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2300 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-12-31 r/2033 feat(tazjin/rlox): Implement mutable variable assignmentVincent Ambo3-33/+74
Change-Id: I56db10a5ac26958ae27a8d4c8fa7b8f8285bc7e1 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2299 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-12-31 r/2032 refactor(tazjin/rlox): Retain interpreter state in REPLVincent Ambo2-30/+30
Change-Id: Id60760e241ad0e45871b48e499f58e9831d57316 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2298 Tested-by: BuildkiteCI Reviewed-by: tazjin <mail@tazj.in>
2020-12-31 r/2031 feat(tazjin/rlox): Add global variable support in interpreterVincent Ambo2-76/+137
Change-Id: I4134cf78dc3934a517ad0c848ae1d3729abaf882 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2297 Tested-by: BuildkiteCI Reviewed-by: tazjin <mail@tazj.in>
2020-12-22 r/2027 feat(tazjin/rlox): Parse variable assignment & accessVincent Ambo3-3/+46
Change-Id: I9894d76716d739e85a4757d9e658f884228e7f52 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2290 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-12-22 r/2026 fix(tazjin/emacs): Don't override CARGO_INCREMENTALVincent Ambo1-1/+0
Change-Id: Ib25c45795cb8aea87fc7e22343af6710a6339d32 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2289 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-12-22 r/2025 refactor(tazjin/rlox): Introduce declarations in parserVincent Ambo2-15/+36
Change-Id: I873fdd53319ec36da18926d9477e809a69dbace7 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2288 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-12-22 r/2024 feat(tazjin/rlox): Add support for statementsVincent Ambo3-35/+73
First part of https://craftinginterpreters.com/statements-and-state.html Supports print statements, as well as evaluation for the sake of it (i.e. future side-effects). Change-Id: Ic6653b568f98d6cfe3f297615b7113c0ba1d9a70 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2287 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-12-20 r/2021 fix(tazjin/emacs): Bind notmuch shortcuts via EXWMVincent Ambo2-3/+5
Change-Id: I082ee9f75f9e0ef486bc240b4aeda3dec8e79019 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2284 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-12-20 r/2020 chore(tazjin/emacs): Remove #'fefes-blogVincent Ambo1-5/+0
It's not worth reading anymore, he's getting old. Change-Id: Ia9bac99169949c3f057c0e9c526cbc99e925af76 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2283 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-12-20 r/2019 feat(tazjin/rlox): Add runtime type error handlingVincent Ambo2-14/+32
Change-Id: I0d52bc9ff5be6421cb4131265ed28ce1ea7d8ff3 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2282 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-12-20 r/2018 feat(tazjin/rlox): Implement tree-walk interpreter of exprsVincent Ambo2-10/+74
This is only a subset of the Lox spec so far. It implements the language up to the runtime error chapter on https://craftinginterpreters.com/evaluating-expressions.html Change-Id: I295dbf4b6544420d6fe80b6aaba661fb21acdea6 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2281 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-12-14 r/2014 chore(3p/lieer): Upgrade to lieer 1.3Vincent Ambo1-2/+1
* rebases the send scope patch * removes the API key override patch, lieer now has a configuration option for this Change-Id: I198e8b61855f6cdb2b1439a1c8f2d9d69261c1b5 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2242 Tested-by: BuildkiteCI Reviewed-by: glittershark <grfn@gws.fyi>
2020-12-10 r/1995 feat(tazjin/aoc2020): Add solution for day 8, part 2Vincent Ambo1-14/+44
Change-Id: I03f46faf9b5b1b578b1131ecd08746f1adc3e87f Reviewed-on: https://cl.tvl.fyi/c/depot/+/2243 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-12-09 r/1994 refactor(tazjin/emacs): Always use completing-read instead of ivyVincent Ambo5-42/+38
This is a step towards making the completing-read framework more easily interchangeable (I'm eyeing selectrum). Change-Id: I7a066e212a5384136defbba8f11ef9ed57abf22e Reviewed-on: https://cl.tvl.fyi/c/depot/+/2240 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-12-08 r/1993 feat(tazjin/aoc2020): Add solution for day 8, part 1Vincent Ambo1-0/+33
I'm too tired for part 2. Change-Id: Ic7058344806466276e3792e9ff9bbf660a18f672 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2239 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-12-08 r/1992 feat(tazjin/aoc2020): Add (somewhat delayed...) solution for day 7Vincent Ambo1-0/+92
Solve time is like 36 hours, that must be a record! Change-Id: I3713f033d83e6179a5d5fa7513952ee3864a6164 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2238 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-12-06 r/1991 feat(tazjin/rlox): Synchronise parser state after errorsVincent Ambo3-10/+67
This lets the parser collect multiple errors instead of returning after the first one, with some optimistic synchronisation after encountering something that looks wonky. Change-Id: Ie9d0ce8de9dcc7a3d1e7aa2abe15f74cab0ab96b Reviewed-on: https://cl.tvl.fyi/c/depot/+/2236 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-12-06 r/1990 feat(tazjin/rlox): Wire up parser to the REPLVincent Ambo2-7/+21
Change-Id: I940448c63ce105d53a0f281b6320ffb01378f207 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2235 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI