feat: update vm to be async

Author: brianheineman

Cargo.lock

@@ -43,6 +43,7 @@ sys-locale = "0.3.1"
 tar = "0.4.42"
 tempfile = "3.13.0"
 thiserror = "1.0.64"
+tokio = { version = "1.40.0", default-features = false, features = ["macros", "rt", "sync"] }
 tracing = "0.1.40"
 tracing-subscriber = "0.3.18"
 whoami = "1.5.2"

Cargo.toml

@@ -7,3 +7,4 @@ version.workspace = true
 
 [dependencies]
 ristretto_classloader = { path = "../../ristretto_classloader" }
+tokio = { workspace = true, features = ["rt-multi-thread"] }

examples/class_loader/Cargo.toml

@@ -4,10 +4,11 @@
 use ristretto_classloader::{ClassLoader, ClassPath, Result};
 
 /// Example that uses a class loader to load a class.
-fn main() -> Result<()> {
+#[tokio::main]
+async fn main() -> Result<()> {
     let class_path = ClassPath::from("classes");
     let class_loader = ClassLoader::new("example", class_path);
-    let class = class_loader.load("HelloWorld")?;
+    let class = class_loader.load("HelloWorld").await?;
     println!("{class:?}");
     Ok(())
 }

examples/class_loader/src/main.rs

@@ -7,3 +7,4 @@ version.workspace = true
 
 [dependencies]
 ristretto_classloader = { path = "../../ristretto_classloader" }
+tokio = { workspace = true, features = ["rt-multi-thread"] }

examples/runtime_class_loader/Cargo.toml

@@ -4,11 +4,12 @@
 use ristretto_classloader::{runtime, Result};
 
 /// Example that loads a class from the Java runtime.
-fn main() -> Result<()> {
-    let (version, class_loader) = runtime::class_loader("21")?;
+#[tokio::main]
+async fn main() -> Result<()> {
+    let (version, class_loader) = runtime::class_loader("21").await?;
     let class_name = "java/util/HashMap";
     println!("Loading {class_name} from Java runtime {version}");
-    let class = class_loader.load(class_name)?;
+    let class = class_loader.load(class_name).await?;
     println!("{class:?}");
     Ok(())
 }

examples/runtime_class_loader/src/main.rs

@@ -20,8 +20,9 @@ anyhow = { workspace = true }
 criterion = { workspace = true }
 flate2 = { workspace = true }
 indoc = { workspace = true }
-reqwest = { workspace = true, features = ["blocking"] }
+reqwest = { workspace = true }
 tar = { workspace = true }
+tokio = { workspace = true }
 zip = { workspace = true }
 
 [[bench]]