Remove and feature flag features that are being removed in N-API

crates/neon-runtime/src/napi/call.rs

@@ -22,15 +22,6 @@ impl Default for CCallback {
     }
 }
 
-pub unsafe extern "C" fn set_return(_info: FunctionCallbackInfo, _value: Local) {
-
-}
-
-pub unsafe extern "C" fn get_isolate(_info: FunctionCallbackInfo) -> Env { unimplemented!() }
-
-// FIXME: Remove. This will never be implemented
-pub unsafe extern "C" fn current_isolate() -> Env { panic!("current_isolate won't be implemented in n-api") }
-
 pub unsafe extern "C" fn is_construct(env: Env, info: FunctionCallbackInfo) -> bool {
     let mut target: MaybeUninit<Local> = MaybeUninit::zeroed();
 

crates/neon-runtime/src/napi/fun.rs

@@ -22,10 +22,6 @@ pub unsafe extern "C" fn new(out: &mut Local, env: Env, callback: CCallback) ->
     status == napi::Status::Ok
 }
 
-pub unsafe extern "C" fn new_template(_out: &mut Local, _env: Env, _callback: CCallback) -> bool {
-    unimplemented!()
-}
-
 pub unsafe extern "C" fn get_dynamic_callback(_env: Env, data: *mut c_void) -> *mut c_void {
     data
 }

crates/neon-runtime/src/napi/mod.rs

@@ -2,7 +2,6 @@ pub mod array;
 pub mod arraybuffer;
 pub mod buffer;
 pub mod call;
-pub mod class;
 pub mod convert;
 pub mod error;
 pub mod external;
@@ -14,8 +13,6 @@ pub mod raw;
 pub mod scope;
 pub mod string;
 pub mod tag;
-pub mod task;
-pub mod handler;
 pub mod reference;
 #[cfg(feature = "napi-4")]
 pub mod tsfn;

crates/neon-runtime/src/napi/object.rs

@@ -30,11 +30,6 @@ pub unsafe extern "C" fn get_own_property_names(out: &mut Local, env: Env, objec
     true
 }
 
-// Unused.
-pub unsafe extern "C" fn get_isolate(_obj: Local) -> Env {
-    unimplemented!()
-}
-
 /// Mutate the `out` argument to refer to the value at `index` in the given `object`. Returns `false` if the value couldn't be retrieved.
 pub unsafe extern "C" fn get_index(out: &mut Local, env: Env, object: Local, index: u32) -> bool {
     let status = napi::get_element(env, object, index, out as *mut _);

crates/neon-runtime/src/napi/primitive.rs

@@ -24,16 +24,6 @@ pub unsafe extern "C" fn boolean_value(env: Env, p: Local) -> bool {
     value
 }
 
-// DEPRECATE(0.2)
-pub unsafe extern "C" fn integer(_out: &mut Local, _isolate: Env, _x: i32) { unimplemented!() }
-
-pub unsafe extern "C" fn is_u32(_p: Local) -> bool { unimplemented!() }
-
-pub unsafe extern "C" fn is_i32(_p: Local) -> bool { unimplemented!() }
-
-// DEPRECATE(0.2)
-pub unsafe extern "C" fn integer_value(_p: Local) -> i64 { unimplemented!() }
-
 /// Mutates the `out` argument provided to refer to a newly created `Local` containing a
 /// JavaScript number.
 pub unsafe extern "C" fn number(out: &mut Local, env: Env, v: f64) {

src/context/internal.rs

@@ -1,9 +1,8 @@
-use std;
 #[cfg(feature = "legacy-runtime")]
 use std::any::Any;
-use std::boxed::Box;
 use std::cell::Cell;
 use std::mem::MaybeUninit;
+#[cfg(feature = "legacy-runtime")]
 use std::os::raw::c_void;
 #[cfg(feature = "legacy-runtime")]
 use std::panic::{AssertUnwindSafe, catch_unwind, resume_unwind};
@@ -14,6 +13,7 @@ use neon_runtime::scope::Root;
 use neon_runtime::try_catch::TryCatchControl;
 use types::{JsObject, JsValue};
 use handle::Handle;
+#[cfg(feature = "legacy-runtime")]
 use object::class::ClassMap;
 use result::NeonResult;
 use super::ModuleContext;
@@ -28,6 +28,7 @@ pub struct Env(raw::Isolate);
 #[derive(Clone, Copy)]
 pub struct Env(raw::Env);
 
+#[cfg(feature = "legacy-runtime")]
 extern "C" fn drop_class_map(map: Box<ClassMap>) {
     std::mem::drop(map);
 }
@@ -45,6 +46,7 @@ impl Env {
         ptr
     }
 
+    #[cfg(feature = "legacy-runtime")]
     pub(crate) fn class_map(&mut self) -> &mut ClassMap {
         let mut ptr: *mut c_void = unsafe { neon_runtime::class::get_class_map(self.to_raw()) };
         if ptr.is_null() {
@@ -59,11 +61,6 @@ impl Env {
         unsafe { std::mem::transmute(ptr) }
     }
 
-    #[cfg(feature = "napi-1")]
-    pub(crate) fn current() -> Env {
-        panic!("Context::current() will not implemented with n-api")
-    }
-
     #[cfg(feature = "legacy-runtime")]
     pub(crate) fn current() -> Env {
         unsafe {

src/context/mod.rs

@@ -22,6 +22,7 @@ use types::boxed::{Finalize, JsBox};
 use types::binary::{JsArrayBuffer, JsBuffer};
 use types::error::JsError;
 use object::{Object, This};
+#[cfg(feature = "legacy-runtime")]
 use object::class::Class;
 use result::{NeonResult, JsResult, Throw};
 #[cfg(feature = "napi-1")]
@@ -47,6 +48,7 @@ impl CallbackInfo<'_> {
         CallContext::<T>::with(env, self, f)
     }
 
+    #[cfg(feature = "legacy-runtime")]
     pub fn set_return<'a, 'b, T: Value>(&'a self, value: Handle<'b, T>) {
         unsafe {
             neon_runtime::call::set_return(self.info, value.to_raw())
@@ -421,6 +423,7 @@ impl<'a> ModuleContext<'a> {
         Ok(())
     }
 
+    #[cfg(feature = "legacy-runtime")]
     /// Convenience method for exporting a Neon class constructor from a module.
     pub fn export_class<T: Class>(&mut self, key: &str) -> NeonResult<()> {
         let constructor = T::constructor(self)?;
@@ -598,6 +601,7 @@ pub struct TaskContext<'a> {
 }
 
 impl<'a> TaskContext<'a> {
+    #[cfg(feature = "legacy-runtime")]
     pub(crate) fn with<T, F: for<'b> FnOnce(TaskContext<'b>) -> T>(f: F) -> T {
         let env = Env::current();
         Scope::with(env, |scope| {

src/lib.rs

@@ -18,6 +18,7 @@ pub mod types;
 pub mod object;
 pub mod borrow;
 pub mod result;
+#[cfg(feature = "legacy-runtime")]
 pub mod task;
 #[cfg(any(feature = "event-handler-api", all(feature = "napi-4", feature = "event-queue-api")))]
 pub mod event;
@@ -171,6 +172,7 @@ macro_rules! register_module {
     }
 }
 
+#[cfg(feature = "legacy-runtime")]
 #[doc(hidden)]
 #[macro_export(local_inner_macros)]
 macro_rules! class_definition {
@@ -260,6 +262,7 @@ macro_rules! class_definition {
     };
 }
 
+#[cfg(feature = "legacy-runtime")]
 #[doc(hidden)]
 #[macro_export(local_inner_macros)]
 macro_rules! impl_managed {
@@ -280,6 +283,7 @@ macro_rules! impl_managed {
     }
 }
 
+#[cfg(feature = "legacy-runtime")]
 /// Declare custom native JavaScript types with Rust implementations.
 ///
 /// Example:
@@ -362,6 +366,7 @@ macro_rules! declare_types {
     { } => { };
 }
 
+#[cfg(feature = "legacy-runtime")]
 #[doc(hidden)]
 #[macro_export]
 macro_rules! neon_stringify {

src/macro_internal/mod.rs

@@ -1,6 +1,7 @@
 //! Internals needed by macros. These have to be exported for the macros to work
 /// but are subject to change and should never be explicitly used.
 
+#[cfg(feature = "legacy-runtime")]
 // Used by the class macro.
 pub use object::class::internal::{AllocateCallback, ConstructCallback, ConstructorCallCallback, MethodCallback};
 pub use context::internal::{initialize_module, Env};

src/object/class/mod.rs

@@ -9,14 +9,13 @@ use std::slice;
 use std::collections::HashMap;
 use neon_runtime;
 use neon_runtime::raw;
-use neon_runtime::call::CCallback;
-use context::{Context, Lock, CallbackInfo};
+use context::{Context, Lock};
 use context::internal::Env;
 use result::{NeonResult, JsResult, Throw};
 use borrow::{Borrow, BorrowMut, Ref, RefMut, LoanError};
 use handle::{Handle, Managed};
 use types::{Value, JsFunction, JsValue, build};
-use types::internal::ValueInternal;
+use types::internal::{Callback, ValueInternal};
 use object::{Object, This};
 use self::internal::{ClassMetadata, MethodCallback, ConstructorCallCallback, AllocateCallback, ConstructCallback};
 
@@ -260,38 +259,3 @@ impl<'a, T: Class> BorrowMut for &'a mut T {
         }
     }
 }
-
-/// A dynamically computed callback that can be passed through C to the engine.
-/// This type makes it possible to export a dynamically computed Rust function
-/// as a pair of 1) a raw pointer to the dynamically computed function, and 2)
-/// a static function that knows how to transmute that raw pointer and call it.
-pub(crate) trait Callback<T: Clone + Copy + Sized>: Sized {
-    /// Extracts the computed Rust function and invokes it. The Neon runtime
-    /// ensures that the computed function is provided as the extra data field,
-    /// wrapped as a V8 External, in the `CallbackInfo` argument.
-    extern "C" fn invoke(env: Env, info: CallbackInfo<'_>) -> T;
-
-    /// See `invoke`. This is used by the non-n-api implementation, so that every impl for this
-    /// trait doesn't need to provide two versions of `invoke`.
-    #[cfg(feature = "legacy-runtime")]
-    #[doc(hidden)]
-    extern "C" fn invoke_compat(info: CallbackInfo<'_>) -> T {
-        Self::invoke(Env::current(), info)
-    }
-
-    /// Converts the callback to a raw void pointer.
-    fn as_ptr(self) -> *mut c_void;
-
-    /// Exports the callback as a pair consisting of the static `Self::invoke`
-    /// method and the computed callback, both converted to raw void pointers.
-    fn into_c_callback(self) -> CCallback {
-        #[cfg(feature = "napi-1")]
-        let invoke = Self::invoke;
-        #[cfg(feature = "legacy-runtime")]
-        let invoke = Self::invoke_compat;
-        CCallback {
-            static_callback: unsafe { mem::transmute(invoke as usize) },
-            dynamic_callback: self.as_ptr()
-        }
-    }
-}

src/object/mod.rs

@@ -1,7 +1,9 @@
 //! Traits for working with JavaScript objects.
 
+#[cfg(feature = "legacy-runtime")]
 pub(crate) mod class;
 
+#[cfg(feature = "legacy-runtime")]
 pub use self::class::{Class, ClassDescriptor};
 pub use self::traits::*;
 

src/prelude.rs

@@ -2,14 +2,19 @@
 
 pub use handle::Handle;
 pub use types::{JsBuffer, JsArrayBuffer, BinaryData, JsError, Value, JsValue, JsUndefined, JsNull, JsBoolean, JsString, JsNumber, JsObject, JsArray, JsFunction};
-pub use object::{Object, Class};
+pub use object::Object;
+#[cfg(feature = "legacy-runtime")]
+pub use object::Class;
 pub use borrow::{Borrow, BorrowMut};
 pub use context::{CallKind, Context, ModuleContext, ExecuteContext, ComputeContext, CallContext, FunctionContext, MethodContext, TaskContext};
 pub use result::{NeonResult, JsResult, JsResultExt};
+#[cfg(feature = "legacy-runtime")]
 pub use task::Task;
 #[cfg(all(not(feature = "napi-1"), feature = "event-handler-api"))]
 pub use event::EventHandler;
-pub use crate::{register_module, declare_types};
+pub use crate::register_module;
+#[cfg(feature = "legacy-runtime")]
+pub use crate::declare_types;
 #[cfg(feature = "napi-1")]
 pub use crate::{
     handle::Root,

src/types/internal.rs

@@ -1,13 +1,13 @@
 use std::mem;
 use std::os::raw::c_void;
 use neon_runtime;
+use neon_runtime::call::CCallback;
 use neon_runtime::raw;
 use context::{CallbackInfo, FunctionContext};
 use context::internal::Env;
 use types::error::convert_panics;
 use types::{JsObject, Handle, Managed};
 use result::JsResult;
-use object::class::Callback;
 use super::Value;
 
 pub trait ValueInternal: Managed + 'static {
@@ -78,3 +78,38 @@ impl<T: Value> Callback<raw::Local> for FunctionCallback<T> {
         unsafe { mem::transmute(self.0) }
     }
 }
+
+/// A dynamically computed callback that can be passed through C to the engine.
+/// This type makes it possible to export a dynamically computed Rust function
+/// as a pair of 1) a raw pointer to the dynamically computed function, and 2)
+/// a static function that knows how to transmute that raw pointer and call it.
+pub(crate) trait Callback<T: Clone + Copy + Sized>: Sized {
+    /// Extracts the computed Rust function and invokes it. The Neon runtime
+    /// ensures that the computed function is provided as the extra data field,
+    /// wrapped as a V8 External, in the `CallbackInfo` argument.
+    extern "C" fn invoke(env: Env, info: CallbackInfo<'_>) -> T;
+
+    /// See `invoke`. This is used by the non-n-api implementation, so that every impl for this
+    /// trait doesn't need to provide two versions of `invoke`.
+    #[cfg(feature = "legacy-runtime")]
+    #[doc(hidden)]
+    extern "C" fn invoke_compat(info: CallbackInfo<'_>) -> T {
+        Self::invoke(Env::current(), info)
+    }
+
+    /// Converts the callback to a raw void pointer.
+    fn as_ptr(self) -> *mut c_void;
+
+    /// Exports the callback as a pair consisting of the static `Self::invoke`
+    /// method and the computed callback, both converted to raw void pointers.
+    fn into_c_callback(self) -> CCallback {
+        #[cfg(feature = "napi-1")]
+        let invoke = Self::invoke;
+        #[cfg(feature = "legacy-runtime")]
+        let invoke = Self::invoke_compat;
+        CCallback {
+            static_callback: unsafe { mem::transmute(invoke as usize) },
+            dynamic_callback: self.as_ptr()
+        }
+    }
+}