From 6e95386f30f2c7d20ae1158b907cd0ab8b9a1924 Mon Sep 17 00:00:00 2001
From: Alex Orlenko <zxteam@protonmail.com>
Date: Sat, 3 Dec 2022 17:55:26 +0000
Subject: [PATCH] Update Luau to 0.555 (luau-src 0.5.0) This version includes
 inreased LUAI_MAXCSTACK limit (100000)

---
 Cargo.toml          | 2 +-
 src/ffi/luau/lua.rs | 9 ++++++---
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index b048f7f..c228275 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -58,7 +58,7 @@ cc = { version = "1.0" }
 pkg-config = { version = "0.3.17" }
 lua-src = { version = ">= 544.0.0, < 550.0.0", optional = true }
 luajit-src = { version = ">= 210.4.0, < 220.0.0", optional = true }
-luau0-src = { version = "0.4.0", optional = true }
+luau0-src = { version = "0.5.0", optional = true }
 
 [dev-dependencies]
 rustyline = "10.0"
diff --git a/src/ffi/luau/lua.rs b/src/ffi/luau/lua.rs
index 624e427..22391ef 100644
--- a/src/ffi/luau/lua.rs
+++ b/src/ffi/luau/lua.rs
@@ -7,12 +7,15 @@ use std::ptr;
 // Option for multiple returns in 'lua_pcall' and 'lua_call'
 pub const LUA_MULTRET: c_int = -1;
 
+// Max number of Lua stack slots
+const LUAI_MAXCSTACK: c_int = 100000;
+
 //
 // Pseudo-indices
 //
-pub const LUA_REGISTRYINDEX: c_int = -10000;
-pub const LUA_ENVIRONINDEX: c_int = -10001;
-pub const LUA_GLOBALSINDEX: c_int = -10002;
+pub const LUA_REGISTRYINDEX: c_int = -LUAI_MAXCSTACK - 2000;
+pub const LUA_ENVIRONINDEX: c_int = -LUAI_MAXCSTACK - 2001;
+pub const LUA_GLOBALSINDEX: c_int = -LUAI_MAXCSTACK - 2002;
 
 pub const fn lua_upvalueindex(i: c_int) -> c_int {
     LUA_GLOBALSINDEX - i