Create full enum for lune standard libraries

Cargo.lock

@@ -1551,39 +1551,72 @@ dependencies = [
  "lune-std-serde",
  "lune-std-stdio",
  "lune-std-task",
+ "mlua",
 ]
 
 [[package]]
 name = "lune-std-datetime"
 version = "0.8.3"
+dependencies = [
+ "lune-utils",
+ "mlua",
+]
 
 [[package]]
 name = "lune-std-fs"
 version = "0.8.3"
+dependencies = [
+ "lune-utils",
+ "mlua",
+]
 
 [[package]]
 name = "lune-std-luau"
 version = "0.8.3"
+dependencies = [
+ "lune-utils",
+ "mlua",
+]
 
 [[package]]
 name = "lune-std-net"
 version = "0.8.3"
+dependencies = [
+ "lune-utils",
+ "mlua",
+]
 
 [[package]]
 name = "lune-std-process"
 version = "0.8.3"
+dependencies = [
+ "lune-utils",
+ "mlua",
+]
 
 [[package]]
 name = "lune-std-regex"
 version = "0.8.3"
+dependencies = [
+ "lune-utils",
+ "mlua",
+]
 
 [[package]]
 name = "lune-std-roblox"
 version = "0.8.3"
+dependencies = [
+ "lune-utils",
+ "mlua",
+]
 
 [[package]]
 name = "lune-std-serde"
 version = "0.8.3"
+dependencies = [
+ "lune-utils",
+ "mlua",
+]
 
 [[package]]
 name = "lune-std-stdio"

crates/lune-std-datetime/Cargo.toml

@@ -9,3 +9,8 @@ path = "src/lib.rs"
 
 [lints]
 workspace = true
+
+[dependencies]
+mlua = "0.9.7"
+
+lune-utils = { version = "0.8.3", path = "../lune-utils" }

crates/lune-std-datetime/src/lib.rs

@@ -1 +1,16 @@
 #![allow(clippy::cargo_common_metadata)]
+
+use mlua::prelude::*;
+
+use lune_utils::TableBuilder;
+
+/**
+    Creates the `datetime` standard library module.
+
+    # Errors
+
+    Errors when out of memory.
+*/
+pub fn module(lua: &Lua) -> LuaResult<LuaTable> {
+    TableBuilder::new(lua)?.build_readonly()
+}

crates/lune-std-fs/Cargo.toml

@@ -9,3 +9,8 @@ path = "src/lib.rs"
 
 [lints]
 workspace = true
+
+[dependencies]
+mlua = "0.9.7"
+
+lune-utils = { version = "0.8.3", path = "../lune-utils" }

crates/lune-std-fs/src/lib.rs

@@ -1 +1,16 @@
 #![allow(clippy::cargo_common_metadata)]
+
+use mlua::prelude::*;
+
+use lune_utils::TableBuilder;
+
+/**
+    Creates the `fs` standard library module.
+
+    # Errors
+
+    Errors when out of memory.
+*/
+pub fn module(lua: &Lua) -> LuaResult<LuaTable> {
+    TableBuilder::new(lua)?.build_readonly()
+}

crates/lune-std-luau/Cargo.toml

@@ -9,3 +9,8 @@ path = "src/lib.rs"
 
 [lints]
 workspace = true
+
+[dependencies]
+mlua = "0.9.7"
+
+lune-utils = { version = "0.8.3", path = "../lune-utils" }

crates/lune-std-luau/src/lib.rs

@@ -1 +1,16 @@
 #![allow(clippy::cargo_common_metadata)]
+
+use mlua::prelude::*;
+
+use lune_utils::TableBuilder;
+
+/**
+    Creates the `luau` standard library module.
+
+    # Errors
+
+    Errors when out of memory.
+*/
+pub fn module(lua: &Lua) -> LuaResult<LuaTable> {
+    TableBuilder::new(lua)?.build_readonly()
+}

crates/lune-std-net/Cargo.toml

@@ -9,3 +9,8 @@ path = "src/lib.rs"
 
 [lints]
 workspace = true
+
+[dependencies]
+mlua = "0.9.7"
+
+lune-utils = { version = "0.8.3", path = "../lune-utils" }

crates/lune-std-net/src/lib.rs

@@ -1 +1,16 @@
 #![allow(clippy::cargo_common_metadata)]
+
+use mlua::prelude::*;
+
+use lune_utils::TableBuilder;
+
+/**
+    Creates the `net` standard library module.
+
+    # Errors
+
+    Errors when out of memory.
+*/
+pub fn module(lua: &Lua) -> LuaResult<LuaTable> {
+    TableBuilder::new(lua)?.build_readonly()
+}

crates/lune-std-process/Cargo.toml

@@ -9,3 +9,8 @@ path = "src/lib.rs"
 
 [lints]
 workspace = true
+
+[dependencies]
+mlua = "0.9.7"
+
+lune-utils = { version = "0.8.3", path = "../lune-utils" }

crates/lune-std-process/src/lib.rs

@@ -1 +1,16 @@
 #![allow(clippy::cargo_common_metadata)]
+
+use mlua::prelude::*;
+
+use lune_utils::TableBuilder;
+
+/**
+    Creates the `process` standard library module.
+
+    # Errors
+
+    Errors when out of memory.
+*/
+pub fn module(lua: &Lua) -> LuaResult<LuaTable> {
+    TableBuilder::new(lua)?.build_readonly()
+}

crates/lune-std-regex/Cargo.toml

@@ -9,3 +9,8 @@ path = "src/lib.rs"
 
 [lints]
 workspace = true
+
+[dependencies]
+mlua = "0.9.7"
+
+lune-utils = { version = "0.8.3", path = "../lune-utils" }

crates/lune-std-regex/src/lib.rs

@@ -1 +1,16 @@
 #![allow(clippy::cargo_common_metadata)]
+
+use mlua::prelude::*;
+
+use lune_utils::TableBuilder;
+
+/**
+    Creates the `regex` standard library module.
+
+    # Errors
+
+    Errors when out of memory.
+*/
+pub fn module(lua: &Lua) -> LuaResult<LuaTable> {
+    TableBuilder::new(lua)?.build_readonly()
+}

crates/lune-std-roblox/Cargo.toml

@@ -9,3 +9,8 @@ path = "src/lib.rs"
 
 [lints]
 workspace = true
+
+[dependencies]
+mlua = "0.9.7"
+
+lune-utils = { version = "0.8.3", path = "../lune-utils" }

crates/lune-std-roblox/src/lib.rs

@@ -1 +1,16 @@
 #![allow(clippy::cargo_common_metadata)]
+
+use mlua::prelude::*;
+
+use lune_utils::TableBuilder;
+
+/**
+    Creates the `roblox` standard library module.
+
+    # Errors
+
+    Errors when out of memory.
+*/
+pub fn module(lua: &Lua) -> LuaResult<LuaTable> {
+    TableBuilder::new(lua)?.build_readonly()
+}

crates/lune-std-serde/Cargo.toml

@@ -9,3 +9,8 @@ path = "src/lib.rs"
 
 [lints]
 workspace = true
+
+[dependencies]
+mlua = "0.9.7"
+
+lune-utils = { version = "0.8.3", path = "../lune-utils" }

crates/lune-std-serde/src/lib.rs

@@ -1 +1,16 @@
 #![allow(clippy::cargo_common_metadata)]
+
+use mlua::prelude::*;
+
+use lune_utils::TableBuilder;
+
+/**
+    Creates the `serde` standard library module.
+
+    # Errors
+
+    Errors when out of memory.
+*/
+pub fn module(lua: &Lua) -> LuaResult<LuaTable> {
+    TableBuilder::new(lua)?.build_readonly()
+}

crates/lune-std/Cargo.toml

@@ -36,6 +36,8 @@ stdio = ["dep:lune-std-stdio"]
 task = ["dep:lune-std-task"]
 
 [dependencies]
+mlua = "0.9.7"
+
 lune-std-datetime = { optional = true, version = "0.8.3", path = "../lune-std-datetime" }
 lune-std-fs = { optional = true, version = "0.8.3", path = "../lune-std-fs" }
 lune-std-luau = { optional = true, version = "0.8.3", path = "../lune-std-luau" }

crates/lune-std/src/lib.rs

@@ -1 +1,5 @@
 #![allow(clippy::cargo_common_metadata)]
+
+mod library;
+
+pub use library::LuneStandardLibrary;

crates/lune-std/src/library.rs

@@ -0,0 +1,121 @@
+use std::str::FromStr;
+
+use mlua::prelude::*;
+
+/**
+    A standard library provided by Lune.
+*/
+#[derive(Debug, Clone, Copy, Hash, PartialEq, Eq)]
+#[rustfmt::skip]
+pub enum LuneStandardLibrary {
+    #[cfg(feature = "datetime")] DateTime,
+    #[cfg(feature = "fs")]       Fs,
+    #[cfg(feature = "luau")]     Luau,
+    #[cfg(feature = "net")]      Net,
+    #[cfg(feature = "task")]     Task,
+    #[cfg(feature = "process")]  Process,
+    #[cfg(feature = "regex")]    Regex,
+    #[cfg(feature = "serde")]    Serde,
+    #[cfg(feature = "stdio")]    Stdio,
+    #[cfg(feature = "roblox")]   Roblox,
+}
+
+impl LuneStandardLibrary {
+    /**
+        All available standard libraries.
+    */
+    #[rustfmt::skip]
+    pub const ALL: &'static [Self] = &[
+        #[cfg(feature = "datetime")] Self::DateTime,
+        #[cfg(feature = "fs")]       Self::Fs,
+        #[cfg(feature = "luau")]     Self::Luau,
+        #[cfg(feature = "net")]      Self::Net,
+        #[cfg(feature = "task")]     Self::Task,
+        #[cfg(feature = "process")]  Self::Process,
+        #[cfg(feature = "regex")]    Self::Regex,
+        #[cfg(feature = "serde")]    Self::Serde,
+        #[cfg(feature = "stdio")]    Self::Stdio,
+        #[cfg(feature = "roblox")]   Self::Roblox,
+    ];
+
+    /**
+        Gets the name of the library, such as `datetime` or `fs`.
+    */
+    #[must_use]
+    #[rustfmt::skip]
+    #[allow(unreachable_patterns)]
+    pub fn name(&self) -> &'static str {
+        match self {
+            #[cfg(feature = "datetime")] Self::DateTime => "datetime",
+            #[cfg(feature = "fs")]       Self::Fs       => "fs",
+            #[cfg(feature = "luau")]     Self::Luau     => "luau",
+            #[cfg(feature = "net")]      Self::Net      => "net",
+            #[cfg(feature = "task")]     Self::Task     => "task",
+            #[cfg(feature = "process")]  Self::Process  => "process",
+            #[cfg(feature = "regex")]    Self::Regex    => "regex",
+            #[cfg(feature = "serde")]    Self::Serde    => "serde",
+            #[cfg(feature = "stdio")]    Self::Stdio    => "stdio",
+            #[cfg(feature = "roblox")]   Self::Roblox   => "roblox",
+
+            _ => unreachable!("no standard library enabled"),
+        }
+    }
+
+    /**
+        Creates the Lua module for the library.
+
+        # Errors
+
+        If the library could not be created.
+    */
+    #[rustfmt::skip]
+    #[allow(unreachable_patterns)]
+    pub fn module<'lua>(&self, lua: &'lua Lua) -> LuaResult<LuaMultiValue<'lua>> {
+        let res = match self {
+            #[cfg(feature = "datetime")] Self::DateTime => lune_std_datetime::module(lua),
+            #[cfg(feature = "fs")]       Self::Fs       => lune_std_fs::module(lua),
+            #[cfg(feature = "luau")]     Self::Luau     => lune_std_luau::module(lua),
+            #[cfg(feature = "net")]      Self::Net      => lune_std_net::module(lua),
+            #[cfg(feature = "task")]     Self::Task     => lune_std_task::module(lua),
+            #[cfg(feature = "process")]  Self::Process  => lune_std_process::module(lua),
+            #[cfg(feature = "regex")]    Self::Regex    => lune_std_regex::module(lua),
+            #[cfg(feature = "serde")]    Self::Serde    => lune_std_serde::module(lua),
+            #[cfg(feature = "stdio")]    Self::Stdio    => lune_std_stdio::module(lua),
+            #[cfg(feature = "roblox")]   Self::Roblox   => lune_std_roblox::module(lua),
+
+            _ => unreachable!("no standard library enabled"),
+        };
+        match res {
+            Ok(v) => v.into_lua_multi(lua),
+            Err(e) => Err(e.context(format!(
+                "Failed to create standard library '{}'",
+                self.name()
+            ))),
+        }
+    }
+}
+
+impl FromStr for LuneStandardLibrary {
+    type Err = String;
+    #[rustfmt::skip]
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        let low = s.trim().to_ascii_lowercase();
+        Ok(match low.as_str() {
+            #[cfg(feature = "datetime")] "datetime" => Self::DateTime,
+            #[cfg(feature = "fs")]       "fs"       => Self::Fs,
+            #[cfg(feature = "luau")]     "luau"     => Self::Luau,
+            #[cfg(feature = "net")]      "net"      => Self::Net,
+            #[cfg(feature = "task")]     "task"     => Self::Task,
+            #[cfg(feature = "process")]  "process"  => Self::Process,
+            #[cfg(feature = "regex")]    "regex"    => Self::Regex,
+            #[cfg(feature = "serde")]    "serde"    => Self::Serde,
+            #[cfg(feature = "stdio")]    "stdio"    => Self::Stdio,
+            #[cfg(feature = "roblox")]   "roblox"   => Self::Roblox,
+
+            _ => return Err(format!(
+                "Unknown standard library '{low}'\nValid libraries are: {}",
+                Self::ALL.iter().map(Self::name).collect::<Vec<_>>().join(", ")
+            )),
+        })
+    }
+}