add rust extension

.github/workflows/build.yml

@@ -35,6 +35,8 @@ jobs:
     container:
       image: ${{ matrix.container }}
     steps:
+      - name: Install Rust
+        uses: actions-rust-lang/setup-rust-toolchain@v1
       - name: Install aarch64-linux-gnu
         if: ${{ matrix.platform == 'linux-arm64' && matrix.libc != 'musl' }}
         run: |

.github/workflows/test.yml

@@ -14,6 +14,8 @@ jobs:
       - uses: actions/checkout@v4
         with:
           submodules: recursive
+      - name: Install Rust
+        uses: actions-rust-lang/setup-rust-toolchain@v1
       - name: Build for Windows
         if: ${{ matrix.target == 'windows' }}
         run: .\make.bat

make.lua

@@ -15,11 +15,13 @@ if lm.sanitize then
 end
 
 local includeCodeFormat = true
+local rustExtension = true
 
 require "make.detect_platform"
 
 lm:import "3rd/bee.lua/make.lua"
 lm:import "make/code_format.lua"
+lm:import "make/rust_lib.lua"
 
 lm:source_set 'lpeglabel' {
     rootdir = '3rd',
@@ -56,6 +58,15 @@ lm:executable "lua-language-server" {
 
 local platform = require 'bee.platform'
 local exe      = platform.os == 'windows' and ".exe" or ""
+local lualsRust = ""
+if platform.os == 'windows' then
+    lualsRust = "luals_rust.dll"
+elseif platform.os == 'linux' then
+    lualsRust = "libluals_rust.so"
+elseif platform.os == 'macos' then
+    lualsRust = "libluals_rust.dylib"
+end
+
 
 lm:copy "copy_lua-language-server" {
     inputs = "$bin/lua-language-server" .. exe,
@@ -67,6 +78,17 @@ lm:copy "copy_bootstrap" {
     outputs = "bin/main.lua",
 }
 
+lm:build "rust-lib" {
+    rule = "cargo-build",
+    inputs = "rustlib",
+}
+
+lm:copy "copy_rust-lib" {
+    deps = { "rust-lib" },
+    inputs = "rustlib/target/release/" .. lualsRust,
+    outputs = "bin/" .. lualsRust,
+}
+
 lm:msvc_copydll 'copy_vcrt' {
     type = "vcrt",
     outputs = "bin",
@@ -77,6 +99,7 @@ lm:phony "all" {
         "lua-language-server",
         "copy_lua-language-server",
         "copy_bootstrap",
+        rustExtension and "copy_rust-lib" or nil
     },
     windows = {
         deps = {

make/rust_lib.lua

@@ -0,0 +1,8 @@
+local lm = require "luamake"
+
+lm:rule "cargo-build" {
+    args = { "cargo", "build", "--manifest-path", "$in/Cargo.toml", "--release" },
+    description = "cargo build: $in.",
+    pool = "console",
+}
+

rustlib/.gitignore

@@ -0,0 +1,2 @@
+/target
+/Cargo.lock

rustlib/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "luals_rust"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+[lib]
+crate-type = ["cdylib"]
+
+[dependencies]
+mlua = { version = "0.10.0-beta.1", features = ["lua54", "module"] }

rustlib/src/lib.rs

@@ -0,0 +1,13 @@
+use mlua::prelude::*;
+
+fn hello(_: &Lua, name: String) -> LuaResult<()> {
+    println!("hello, {}!", name);
+    Ok(())
+}
+
+#[mlua::lua_module]
+fn luals_rust(lua: &Lua) -> LuaResult<LuaTable> {
+    let exports = lua.create_table()?;
+    exports.set("hello", lua.create_function(hello)?)?;
+    Ok(exports)
+}

script/provider/rust-lib.lua

@@ -0,0 +1,12 @@
+local suc, rust = pcall(require, 'luals_rust')
+if not suc then
+    return
+end
+
+local m = {}
+
+function m.hello(str)
+    return rust.hello(str)
+end
+
+return m

test/basic/init.lua

@@ -1,2 +1,3 @@
 require 'basic.textmerger'
 require 'basic.filewatch'
+require 'basic.rust'

test/basic/rust.lua

@@ -0,0 +1,3 @@
+local m = require "provider.rust-lib"
+
+m.hello("world")