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Author SHA1 Message Date
Andy Friesen
713ee2ff8b
Sync to upstream/release/678 (#1878)
# What's Changed?

We've been hard at work fixing bugs in the new type solver and getting
it ready to go!

## Native Codegen

* Specialized Luau Codegen instruction for fetching an import.
As a reminder, an import is an expression like `global.thing` and covers
stuff like libraries without fastcalls `coroutine.resume`) and atomic
extern libraries.

## New Type Solver

* Fix an issue that prevented eager generalization from working properly
with OO styled code.
* Avoid copying uninitialized memory in Luau attribute parsing
* Improve type inference of unsealed tables.
    * This fixes https://github.com/luau-lang/luau/issues/1838
    * and https://github.com/luau-lang/luau/issues/1859
* Infer potential singleton string keys in autocomplete when the
expected index type is a union type.
* Avoid creating cyclic types when reducing types of the form `t1 where
t1 = refine<T, t1, Y>`
* The type cloner now does the same thing for the new and old solvers.
* Properly infer polarity (aka variance) for divergent table properties.
(ie tables whose read type and write type are not the same)
* Crash fixes.

---------

Co-authored-by: Hunter Goldstein <hgoldstein@roblox.com>
Co-authored-by: Varun Saini <61795485+vrn-sn@users.noreply.github.com>
Co-authored-by: Alexander Youngblood <ayoungblood@roblox.com>
Co-authored-by: Menarul Alam <malam@roblox.com>
Co-authored-by: Aviral Goel <agoel@roblox.com>
Co-authored-by: Vighnesh <vvijay@roblox.com>
Co-authored-by: Vyacheslav Egorov <vegorov@roblox.com>
Co-authored-by: Ariel Weiss <aaronweiss@roblox.com>
2025-06-13 09:36:35 -07:00
aaron
8f94786ceb
Refactor CLI structure to match the include/src split that our other projects have. (#1573)
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This PR refactors the CLI folder to use the same project split between
include and src directories that we have for all the other artifacts in
luau. It also includes the require-by-string implementation we already
have as a feature of `Luau.CLI.lib`. Both of these changes are targeted
at making it easier for embedding projects to setup an effective
equivalent to the standalone `luau` executable with whatever runtime
libraries they need attached and without having to unnecessarily
duplicate code from luau itself.
2024-12-17 13:50:27 -08:00
Renamed from CLI/Ast.cpp (Browse further)