feat(cli): compile

.gitignore

@@ -7,3 +7,5 @@ flamegraph*.svg
 perf.data*
 profile.json.gz
 prof.json
+*.cpuprofile
+*.cpuprofile.gz

nix-js/runtime-ts/src/index.ts

@@ -35,7 +35,7 @@ import { ATTR_POSITIONS, IS_PATH, mkAttrs, mkAttrsWithPos, mkFunction, type NixV
 
 export type NixRuntime = typeof Nix;
 
-const replBindings: Map<string, NixValue> = new Map;
+const replBindings: Map<string, NixValue> = new Map();
 
 export const Nix = {
   createThunk,

nix-js/src/codegen.rs

@@ -207,7 +207,6 @@ pub(crate) trait CodegenContext {
     fn get_current_dir(&self) -> &Path;
     fn get_store_dir(&self) -> &str;
     fn get_current_source_id(&self) -> usize;
-    fn get_current_source(&self) -> crate::error::Source;
 }
 
 impl<Ctx: CodegenContext> Compile<Ctx> for ExprId {
@@ -500,16 +499,10 @@ impl<Ctx: CodegenContext> Compile<Ctx> for [(ExprId, ExprId)] {
 
         for &(slot, inner) in self {
             let inner_ir = ctx.get_ir(inner);
-            let inner_span = inner_ir.span();
-
             code!(
                 buf, ctx;
                 "let expr" slot.0 "=Nix.createThunk(()=>(" inner_ir "),"
-                "\"expr" slot.0 " "
+                "\"expr" slot.0  "\");"
-                ctx.get_current_source().get_name() ":"
-                usize::from(inner_span.start()) ":"
-                usize::from(inner_span.end())
-                "\");"
             );
         }
     }

nix-js/src/context.rs

@@ -363,9 +363,6 @@ impl CodegenContext for Ctx {
             .checked_sub(1)
             .expect("current_source not set")
     }
-    fn get_current_source(&self) -> crate::error::Source {
-        self.sources.last().expect("current_source not set").clone()
-    }
     fn get_store_dir(&self) -> &str {
         self.store.get_store_dir()
     }

nix-js/src/main.rs

@@ -26,6 +26,12 @@ struct Cli {
 
 #[derive(Subcommand)]
 enum Command {
+    Compile {
+        #[clap(flatten)]
+        source: ExprSource,
+        #[arg(long)]
+        silent: bool
+    },
     Eval {
         #[clap(flatten)]
         source: ExprSource,
@@ -63,6 +69,30 @@ fn create_context(#[cfg(feature = "inspector")] cli: &Cli) -> Result<Context> {
     Ok(Context::new()?)
 }
 
+fn run_compile(context: &mut Context, src: ExprSource, silent: bool) -> Result<()> {
+    let src = if let Some(expr) = src.expr {
+        Source::new_eval(expr)?
+    } else if let Some(file) = src.file {
+        Source::new_file(file)?
+    } else {
+        unreachable!()
+    };
+    match context.compile(src) {
+        Ok(compiled) => {
+            if !silent {
+                println!("{compiled}");
+            }
+        }
+        Err(err) => {
+            eprintln!("{:?}", miette::Report::new(*err));
+            exit(1);
+        }
+    };
+    #[cfg(feature = "inspector")]
+    context.wait_for_inspector_disconnect();
+    Ok(())
+}
+
 fn run_eval(context: &mut Context, src: ExprSource) -> Result<()> {
     let src = if let Some(expr) = src.expr {
         Source::new_eval(expr)?
@@ -150,6 +180,7 @@ fn main() -> Result<()> {
     )?;
 
     match cli.command {
+        Command::Compile { source , silent } => run_compile(&mut context, source, silent),
         Command::Eval { source } => run_eval(&mut context, source),
         Command::Repl => run_repl(&mut context),
     }