Register logging module and use in existing script

scripts/frame_counter.rn

@@ -9,6 +9,6 @@ impl FrameCounter {
 
     pub fn update(self) {
         self.frame += 1;
-        println(`Frame: ${self.frame}`);
+        log::info(`Frame: ${self.frame}`);
     }
 }

src/api.rs

@@ -0,0 +1,41 @@
+pub mod log {
+    use anyhow::Result;
+    use rune::Module;
+
+    #[rune::module(::log)]
+    pub fn module() -> Result<Module> {
+        let mut module = Module::from_meta(self::module_meta)?.with_unique("log");
+        module.function_meta(info)?;
+        module.function_meta(warn)?;
+        module.function_meta(error)?;
+        module.function_meta(trace)?;
+        module.function_meta(debug)?;
+
+        Ok(module)
+    }
+
+    #[rune::function]
+    pub fn info(message: &str) {
+        log::info!("{message}");
+    }
+
+    #[rune::function]
+    pub fn warn(message: &str) {
+        log::warn!("{message}");
+    }
+
+    #[rune::function]
+    pub fn error(message: &str) {
+        log::error!("{message}");
+    }
+
+    #[rune::function]
+    pub fn trace(message: &str) {
+        log::trace!("{message}");
+    }
+
+    #[rune::function]
+    pub fn debug(message: &str) {
+        log::debug!("{message}");
+    }
+}

src/main.rs

@@ -1,3 +1,4 @@
+mod api;
 mod gfx;
 mod input;
 
@@ -33,7 +34,9 @@ pub fn main() -> Result<()> {
 pub fn run(event_loop: EventLoop<()>, mut context: Context) -> Result<()> {
     // !HACK: Temporrary scripting engine setup
     let source_dir = format!("{}/scripts", env!("CARGO_MANIFEST_DIR"));
-    let rune_context = rune::Context::with_default_modules()?;
+    let mut rune_context = rune::Context::with_default_modules()?;
+    rune_context.install(api::log::module()?)?;
+
     let runtime = Arc::new(rune_context.runtime()?);
     let mut sources = Sources::new();
     sources.insert(Source::from_path(format!("{source_dir}/frame_counter.rn"))?)?;