3 files changed, 32 insertions, 3 deletions
diff --git a/crates/cli/Cargo.toml b/crates/cli/Cargo.toml
index 4a9974b..bfe0391 100644
--- a/crates/cli/Cargo.toml
+++ b/crates/cli/Cargo.toml
@@ -13,3 +13,5 @@ path="bin.rs"
 tinywasm={path="../tinywasm"}
 argh="0.1"
 color-eyre="0.6"
+tracing="0.1"
+tracing-subscriber="0.3"
diff --git a/crates/cli/bin.rs b/crates/cli/bin.rs
index 4e85481..38e30da 100644
--- a/crates/cli/bin.rs
+++ b/crates/cli/bin.rs
@@ -1,6 +1,9 @@
 use argh::FromArgs;
 use color_eyre::eyre::Result;
-use tinywasm::{self, Module};
+use tinywasm::{self, module::WasmValue, Module};
+use util::install_tracing;
+
+mod util;
 
 #[derive(FromArgs)]
 /// TinyWasm CLI
@@ -25,6 +28,9 @@ struct Run {
 }
 
 fn main() -> Result<()> {
+    color_eyre::install()?;
+    install_tracing(None);
+
     let args: TinyWasmCli = argh::from_env();
 
     match args.nested {
@@ -37,7 +43,14 @@ fn main() -> Result<()> {
 }
 
 fn run(wasm: &[u8]) -> Result<()> {
-    let module = Module::new(wasm)?;
-    println!("{:#?}", module);
+    let mut module = Module::new(wasm)?;
+    let args = [WasmValue::I32(1), WasmValue::I32(2)];
+    let res = module.run("add", &args)?;
+    println!("res: {:?}", res);
+
+    let args = [WasmValue::I64(1), WasmValue::I64(2)];
+    let res = module.run("add_64", &args)?;
+    println!("res: {:?}", res);
+
     Ok(())
 }
diff --git a/crates/cli/util.rs b/crates/cli/util.rs
new file mode 100644
index 0000000..2a8160a
--- /dev/null
+++ b/crates/cli/util.rs
@@ -0,0 +1,14 @@
+pub fn install_tracing(log_level: Option<tracing::Level>) {
+    use tracing_subscriber::filter::LevelFilter;
+    use tracing_subscriber::prelude::*;
+
+    tracing_subscriber::registry()
+        .with(
+            tracing_subscriber::fmt::layer()
+                .compact()
+                .with_filter(LevelFilter::from(
+                    log_level.unwrap_or(tracing::Level::DEBUG),
+                )),
+        )
+        .init();
+}