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713ee2ff8b
# 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>
40 lines
1.9 KiB
C++
40 lines
1.9 KiB
C++
// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details
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#pragma once
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#include "lobject.h"
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namespace Luau
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{
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namespace CodeGen
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{
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bool forgLoopTableIter(lua_State* L, LuaTable* h, int index, TValue* ra);
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bool forgLoopNodeIter(lua_State* L, LuaTable* h, int index, TValue* ra);
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bool forgLoopNonTableFallback(lua_State* L, int insnA, int aux);
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void forgPrepXnextFallback(lua_State* L, TValue* ra, int pc);
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Closure* callProlog(lua_State* L, TValue* ra, StkId argtop, int nresults);
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void callEpilogC(lua_State* L, int nresults, int n);
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Udata* newUserdata(lua_State* L, size_t s, int tag);
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void getImport(lua_State* L, StkId res, unsigned id, unsigned pc);
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#define CALL_FALLBACK_YIELD 1
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Closure* callFallback(lua_State* L, StkId ra, StkId argtop, int nresults);
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const Instruction* executeGETGLOBAL(lua_State* L, const Instruction* pc, StkId base, TValue* k);
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const Instruction* executeSETGLOBAL(lua_State* L, const Instruction* pc, StkId base, TValue* k);
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const Instruction* executeGETTABLEKS(lua_State* L, const Instruction* pc, StkId base, TValue* k);
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const Instruction* executeSETTABLEKS(lua_State* L, const Instruction* pc, StkId base, TValue* k);
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const Instruction* executeNAMECALL(lua_State* L, const Instruction* pc, StkId base, TValue* k);
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const Instruction* executeSETLIST(lua_State* L, const Instruction* pc, StkId base, TValue* k);
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const Instruction* executeFORGPREP(lua_State* L, const Instruction* pc, StkId base, TValue* k);
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void executeGETVARARGSMultRet(lua_State* L, const Instruction* pc, StkId base, int rai);
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void executeGETVARARGSConst(lua_State* L, StkId base, int rai, int b);
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const Instruction* executeDUPCLOSURE(lua_State* L, const Instruction* pc, StkId base, TValue* k);
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const Instruction* executePREPVARARGS(lua_State* L, const Instruction* pc, StkId base, TValue* k);
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} // namespace CodeGen
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} // namespace Luau
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