Support Luau v0.629

Author: khvzak

Cargo.toml

@@ -55,7 +55,7 @@ erased-serde = { version = "0.4", optional = true }
 serde-value = { version = "0.7", optional = true }
 parking_lot = { version = "0.12", optional = true }
 
-ffi = { package = "mlua-sys", version = "0.6.0", path = "mlua-sys" }
+ffi = { package = "mlua-sys", version = "0.6.1", path = "mlua-sys" }
 
 [target.'cfg(unix)'.dependencies]
 libloading = { version = "0.8", optional = true }

mlua-sys/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "mlua-sys"
-version = "0.6.0"
+version = "0.6.1"
 authors = ["Aleksandr Orlenko <[email protected]>"]
 rust-version = "1.71"
 edition = "2021"
@@ -40,4 +40,4 @@ cfg-if = "1.0"
 pkg-config = "0.3.17"
 lua-src = { version = ">= 546.0.2, < 546.1.0", optional = true }
 luajit-src = { version = ">= 210.5.0, < 210.6.0", optional = true }
-luau0-src = { version = "0.9.0", optional = true }
+luau0-src = { version = "0.10.0", optional = true }

mlua-sys/src/luau/lua.rs

@@ -288,6 +288,8 @@ extern "C-unwind" {
     pub fn lua_setuserdatatag(L: *mut lua_State, idx: c_int, tag: c_int);
     pub fn lua_setuserdatadtor(L: *mut lua_State, tag: c_int, dtor: Option<lua_Destructor>);
     pub fn lua_getuserdatadtor(L: *mut lua_State, tag: c_int) -> Option<lua_Destructor>;
+    pub fn lua_setuserdatametatable(L: *mut lua_State, tag: c_int, idx: c_int);
+    pub fn lua_getuserdatametatable(L: *mut lua_State, tag: c_int);
     pub fn lua_setlightuserdataname(L: *mut lua_State, tag: c_int, name: *const c_char);
     pub fn lua_getlightuserdataname(L: *mut lua_State, tag: c_int) -> *const c_char;
     pub fn lua_clonefunction(L: *mut lua_State, idx: c_int);

mlua-sys/src/luau/luacode.rs

@@ -14,6 +14,7 @@ pub struct lua_CompileOptions {
     pub vectorCtor: *const c_char,
     pub vectorType: *const c_char,
     pub mutableGlobals: *const *const c_char,
+    pub userdataTypes: *const *const c_char,
 }
 
 impl Default for lua_CompileOptions {
@@ -27,6 +28,7 @@ impl Default for lua_CompileOptions {
             vectorCtor: ptr::null(),
             vectorType: ptr::null(),
             mutableGlobals: ptr::null(),
+            userdataTypes: ptr::null(),
         }
     }
 }

src/chunk.rs

@@ -128,6 +128,7 @@ pub struct Compiler {
     vector_ctor: Option<String>,
     vector_type: Option<String>,
     mutable_globals: Vec<String>,
+    userdata_types: Vec<String>,
 }
 
 #[cfg(any(feature = "luau", doc))]
@@ -151,6 +152,7 @@ impl Compiler {
             vector_ctor: None,
             vector_type: None,
             mutable_globals: Vec::new(),
+            userdata_types: Vec::new(),
         }
     }
 
@@ -230,6 +232,13 @@ impl Compiler {
         self
     }
 
+    /// Sets a list of userdata types that will be included in the type information.
+    #[must_use]
+    pub fn set_userdata_types(mut self, types: Vec<String>) -> Self {
+        self.userdata_types = types;
+        self
+    }
+
     /// Compiles the `source` into bytecode.
     pub fn compile(&self, source: impl AsRef<[u8]>) -> Vec<u8> {
         use std::os::raw::c_int;
@@ -245,22 +254,26 @@ impl Compiler {
         let vector_type = vector_type.and_then(|t| CString::new(t).ok());
         let vector_type = vector_type.as_ref();
 
-        let mutable_globals = self
-            .mutable_globals
-            .iter()
-            .map(|name| CString::new(name.clone()).ok())
-            .collect::<Option<Vec<_>>>()
-            .unwrap_or_default();
-        let mut mutable_globals = mutable_globals
-            .iter()
-            .map(|s| s.as_ptr())
-            .collect::<Vec<_>>();
-        let mut mutable_globals_ptr = ptr::null();
-        if !mutable_globals.is_empty() {
-            mutable_globals.push(ptr::null());
-            mutable_globals_ptr = mutable_globals.as_ptr();
+        macro_rules! vec2cstring_ptr {
+            ($name:ident, $name_ptr:ident) => {
+                let $name = self
+                    .$name
+                    .iter()
+                    .map(|name| CString::new(name.clone()).ok())
+                    .collect::<Option<Vec<_>>>()
+                    .unwrap_or_default();
+                let mut $name = $name.iter().map(|s| s.as_ptr()).collect::<Vec<_>>();
+                let mut $name_ptr = ptr::null();
+                if !$name.is_empty() {
+                    $name.push(ptr::null());
+                    $name_ptr = $name.as_ptr();
+                }
+            };
         }
 
+        vec2cstring_ptr!(mutable_globals, mutable_globals_ptr);
+        vec2cstring_ptr!(userdata_types, userdata_types_ptr);
+
         unsafe {
             let mut options = ffi::lua_CompileOptions::default();
             options.optimizationLevel = self.optimization_level as c_int;
@@ -271,6 +284,7 @@ impl Compiler {
             options.vectorCtor = vector_ctor.map_or(ptr::null(), |s| s.as_ptr());
             options.vectorType = vector_type.map_or(ptr::null(), |s| s.as_ptr());
             options.mutableGlobals = mutable_globals_ptr;
+            options.userdataTypes = userdata_types_ptr;
             ffi::luau_compile(source.as_ref(), options)
         }
     }