perf(es/compat): Add tracing support to transforms for from es2017 to es2019 (#3844)

crates/swc_ecma_transforms_compat/src/es2017/async_to_generator.rs

@@ -12,6 +12,7 @@ use swc_ecma_utils::{
 use swc_ecma_visit::{
     as_folder, noop_visit_mut_type, noop_visit_type, Fold, Visit, VisitMut, VisitMutWith, VisitWith,
 };
+use swc_trace_macro::swc_trace;
 
 /// `@babel/plugin-transform-async-to-generator`
 ///
@@ -33,6 +34,7 @@ use swc_ecma_visit::{
 ///   yield bar();
 /// });
 /// ```
+#[tracing::instrument(level = "trace", skip_all)]
 pub fn async_to_generator() -> impl Fold + VisitMut {
     as_folder(AsyncToGenerator)
 }
@@ -45,6 +47,7 @@ struct Actual {
     hoist_stmts: Vec<Stmt>,
 }
 
+#[swc_trace]
 #[fast_path(ShouldWork)]
 impl VisitMut for AsyncToGenerator {
     noop_visit_mut_type!();
@@ -58,6 +61,7 @@ impl VisitMut for AsyncToGenerator {
     }
 }
 
+#[swc_trace]
 impl AsyncToGenerator {
     fn visit_mut_stmt_like<T>(&mut self, stmts: &mut Vec<T>)
     where
@@ -83,6 +87,7 @@ impl AsyncToGenerator {
     }
 }
 
+#[swc_trace]
 #[fast_path(ShouldWork)]
 impl VisitMut for Actual {
     noop_visit_mut_type!();
@@ -276,6 +281,7 @@ impl VisitMut for Actual {
     }
 }
 
+#[swc_trace]
 impl Actual {
     fn visit_mut_expr_with_binding(&mut self, expr: &mut Expr, binding_ident: Option<Ident>) {
         expr.visit_mut_children_with(self);
@@ -321,6 +327,7 @@ impl Actual {
 /// Creates
 ///
 /// `_asyncToGenerator(function*() {})` from `async function() {}`;
+#[tracing::instrument(level = "trace", skip_all)]
 fn make_fn_ref(mut expr: FnExpr) -> Expr {
     expr.function.body.visit_mut_with(&mut AsyncFnBodyHandler {
         is_async_generator: expr.function.is_generator,
@@ -360,6 +367,7 @@ macro_rules! noop {
     };
 }
 
+#[swc_trace]
 impl VisitMut for AsyncFnBodyHandler {
     noop_visit_mut_type!();
 
@@ -410,6 +418,7 @@ struct ShouldWork {
     found: bool,
 }
 
+#[swc_trace]
 impl Visit for ShouldWork {
     noop_visit_type!();
 
@@ -436,6 +445,7 @@ impl Check for ShouldWork {
     }
 }
 
+#[tracing::instrument(level = "trace", skip_all)]
 fn handle_await_for(stmt: &mut Stmt, is_async_generator: bool) {
     let s = match stmt {
         Stmt::ForOf(

crates/swc_ecma_transforms_compat/src/es2017/mod.rs

@@ -4,6 +4,7 @@ pub use self::async_to_generator::async_to_generator;
 
 mod async_to_generator;
 
+#[tracing::instrument(level = "trace", skip_all)]
 pub fn es2017() -> impl Fold {
     async_to_generator()
 }

crates/swc_ecma_transforms_compat/src/es2018/mod.rs

@@ -5,6 +5,7 @@ pub use self::object_rest_spread::object_rest_spread;
 
 pub mod object_rest_spread;
 
+#[tracing::instrument(level = "trace", skip_all)]
 pub fn es2018(c: Config) -> impl Fold {
     object_rest_spread(c.object_rest_spread)
 }

crates/swc_ecma_transforms_compat/src/es2018/object_rest_spread.rs

@@ -15,11 +15,13 @@ use swc_ecma_utils::{
 use swc_ecma_visit::{
     as_folder, noop_visit_mut_type, noop_visit_type, Fold, Visit, VisitMut, VisitMutWith, VisitWith,
 };
+use swc_trace_macro::swc_trace;
 
 // TODO: currently swc behaves like babel with
 // `ignoreFunctionLength` and `pureGetters` on
 
 /// `@babel/plugin-proposal-object-rest-spread`
+#[tracing::instrument(level = "trace", skip_all)]
 pub fn object_rest_spread(c: Config) -> impl Fold + VisitMut {
     chain!(
         as_folder(ObjectRest {
@@ -176,6 +178,7 @@ struct RestVisitor {
     found: bool,
 }
 
+#[swc_trace]
 impl Visit for RestVisitor {
     noop_visit_type!();
 
@@ -202,6 +205,7 @@ where
     v.found
 }
 
+#[swc_trace]
 #[fast_path(RestVisitor)]
 impl VisitMut for ObjectRest {
     noop_visit_mut_type!();
@@ -452,6 +456,7 @@ impl VisitMut for ObjectRest {
     }
 }
 
+#[swc_trace]
 impl ObjectRest {
     fn visit_mut_stmt_like<T>(&mut self, stmts: &mut Vec<T>)
     where
@@ -905,6 +910,7 @@ impl ObjectRest {
     }
 }
 
+#[tracing::instrument(level = "trace", skip_all)]
 fn object_without_properties(
     obj: Box<Expr>,
     excluded_props: Vec<Option<ExprOrSpread>>,
@@ -981,6 +987,7 @@ fn object_without_properties(
     })
 }
 
+#[tracing::instrument(level = "trace", skip_all)]
 fn excluded_props(props: &[ObjectPatProp]) -> Vec<Option<ExprOrSpread>> {
     props
         .iter()
@@ -1032,6 +1039,7 @@ fn excluded_props(props: &[ObjectPatProp]) -> Vec<Option<ExprOrSpread>> {
 ///  - `{ x4: {}  }` -> `{}`
 struct PatSimplifier;
 
+#[swc_trace]
 impl VisitMut for PatSimplifier {
     noop_visit_mut_type!();
 
@@ -1068,6 +1076,7 @@ impl Parallel for ObjectSpread {
     fn merge(&mut self, _: Self) {}
 }
 
+#[swc_trace]
 #[parallel]
 impl VisitMut for ObjectSpread {
     noop_visit_mut_type!();

crates/swc_ecma_transforms_compat/src/es2019/mod.rs

@@ -4,6 +4,7 @@ pub use self::optional_catch_binding::optional_catch_binding;
 
 mod optional_catch_binding;
 
+#[tracing::instrument(level = "trace", skip_all)]
 pub fn es2019() -> impl Fold {
     optional_catch_binding()
 }

crates/swc_ecma_transforms_compat/src/es2019/optional_catch_binding.rs

@@ -1,13 +1,16 @@
 use swc_ecma_ast::*;
 use swc_ecma_utils::private_ident;
 use swc_ecma_visit::{as_folder, noop_visit_mut_type, Fold, VisitMut, VisitMutWith};
+use swc_trace_macro::swc_trace;
 
 struct OptionalCatchBinding;
 
+#[tracing::instrument(level = "trace", skip_all)]
 pub fn optional_catch_binding() -> impl Fold + VisitMut {
     as_folder(OptionalCatchBinding)
 }
 
+#[swc_trace]
 impl VisitMut for OptionalCatchBinding {
     noop_visit_mut_type!();