Add back print and warn globals

src/lune/globals/mod.rs

@@ -3,18 +3,22 @@ use mlua::prelude::*;
 use super::util::TableBuilder;
 
 mod g_table;
+mod print;
 mod require;
 mod version;
+mod warn;
 
 pub fn inject_all(lua: &'static Lua) -> LuaResult<()> {
     let all = TableBuilder::new(lua)?
         .with_value("_G", g_table::create(lua)?)?
         .with_value("_VERSION", version::create(lua)?)?
+        .with_value("print", print::create(lua)?)?
         .with_value("require", require::create(lua)?)?
+        .with_value("warn", warn::create(lua)?)?
         .build_readonly()?;
 
     for res in all.pairs() {
-        let (key, value): (LuaValue, LuaValue) = res?;
+        let (key, value): (LuaValue, LuaValue) = res.unwrap();
         lua.globals().set(key, value)?;
     }
 

src/lune/globals/print.rs

@@ -0,0 +1,14 @@
+use mlua::prelude::*;
+use tokio::io::{self, AsyncWriteExt};
+
+use crate::lune::{scheduler::LuaSchedulerExt, util::formatting::pretty_format_multi_value};
+
+pub fn create(lua: &'static Lua) -> LuaResult<impl IntoLua<'_>> {
+    lua.create_async_function(|_, args: LuaMultiValue| async move {
+        let formatted = format!("{}\n", pretty_format_multi_value(&args)?);
+        let mut stdout = io::stdout();
+        stdout.write_all(formatted.as_bytes()).await?;
+        stdout.flush().await?;
+        Ok(())
+    })
+}

src/lune/globals/warn.rs

@@ -0,0 +1,21 @@
+use mlua::prelude::*;
+use tokio::io::{self, AsyncWriteExt};
+
+use crate::lune::{
+    scheduler::LuaSchedulerExt,
+    util::formatting::{format_label, pretty_format_multi_value},
+};
+
+pub fn create(lua: &'static Lua) -> LuaResult<impl IntoLua<'_>> {
+    lua.create_async_function(|_, args: LuaMultiValue| async move {
+        let formatted = format!(
+            "{}\n{}",
+            format_label("warn"),
+            pretty_format_multi_value(&args)?
+        );
+        let mut stdout = io::stderr();
+        stdout.write_all(formatted.as_bytes()).await?;
+        stdout.flush().await?;
+        Ok(())
+    })
+}