Add native cleaner

Cargo.toml

@@ -1,12 +1,13 @@
 [workspace]
 resolver = "2"
 members = [
-    "crates/saft",
-    "crates/saft-bytecode", "crates/saft-cli",
-    "crates/saft-ir",
-    "crates/saft-macro",
-    "crates/saft-syntax",
-    "tests",
+  "crates/saft",
+  "crates/saft-bytecode",
+  "crates/saft-cli",
+  "crates/saft-ir",
+  "crates/saft-macro",
+  "crates/saft-syntax",
+  "tests",
 ]
 default-members = ["crates/saft-cli"]
 

crates/saft-cli/src/main.rs

@@ -18,7 +18,7 @@ struct Args {
 fn main() {
     let args = Args::parse();
 
-    let mut saft = Saft::new();
+    let mut saft = Saft::new_with_std();
 
     match args.script {
         Some(path) => {

crates/saft/src/lib.rs

@@ -23,16 +23,8 @@ pub struct Saft {
 #[allow(clippy::new_without_default)]
 impl Saft {
     pub fn new() -> Self {
-        let mut lowerer = Lowerer::new();
-
-        let mut add_native = |native: bytecode::value::NativeFunction| {
-            lowerer.add_item(native.name.to_string(), ir::Item::Builtin(native));
-        };
-
-        add_native(natives::print);
-
         Self {
-            lowerer,
+            lowerer: Lowerer::new(),
             compiler: bytecode::compiler::Compiler::new(),
             vm: Vm::new(),
             diagnostic_writer: codespan_reporting::term::termcolor::StandardStream::stdout(
@@ -42,6 +34,17 @@ impl Saft {
         }
     }
 
+    pub fn new_with_std() -> Self {
+        let mut saft = Self::new();
+        saft.add_native(saft_bytecode::natives::print);
+        saft
+    }
+
+    fn add_native(&mut self, native: saft_bytecode::value::NativeFunction) {
+        self.lowerer
+            .add_item(native.name.to_string(), ir::Item::Builtin(native));
+    }
+
     fn try_parse(&mut self, fname: &str, s: &str) -> Option<ast::Module> {
         let mut files = SimpleFiles::new();
         let id = files.add(fname, s);

tests/Cargo.toml

@@ -7,6 +7,6 @@ build = "build.rs"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-assert_cmd = { version = "2.0.12", features = [ "color-auto" ] }
+assert_cmd = { version = "2.0.12", features = ["color-auto"] }
 pretty_assertions = "1.4.0"
 saft-macro = { version = "0.1.0", path = "../crates/saft-macro" }