Move rustler_sys into rustler::sys

Cargo.toml

@@ -3,7 +3,6 @@ resolver = "2"
 members = [
   "rustler",
   "rustler_codegen",
-  "rustler_sys",
   "rustler_tests/native/binary_example",
   "rustler_tests/native/rustler_test",
   "rustler_tests/native/rustler_bigint_test",
@@ -16,5 +15,4 @@ members = [
 default-members = [
   "rustler",
   "rustler_codegen",
-  "rustler_sys",
 ]

rustler/Cargo.toml

@@ -15,19 +15,22 @@ default = ["nif_version_2_15"]
 derive = []
 alternative_nif_init_name = []
 allocator = []
-nif_version_2_14 = ["rustler_sys/nif_version_2_14"]
-nif_version_2_15 = ["nif_version_2_14", "rustler_sys/nif_version_2_15"]
-nif_version_2_16 = ["nif_version_2_15", "rustler_sys/nif_version_2_16"]
-nif_version_2_17 = ["nif_version_2_16", "rustler_sys/nif_version_2_17"]
+nif_version_2_14 = []
+nif_version_2_15 = ["nif_version_2_14"]
+nif_version_2_16 = ["nif_version_2_15"]
+nif_version_2_17 = ["nif_version_2_16"]
 serde = ["dep:serde"]
 
 [dependencies]
+libloading = "0.8"
 inventory = "0.3"
 rustler_codegen = { path = "../rustler_codegen", version = "0.34.0" }
-rustler_sys = { path = "../rustler_sys", version = "~2.4.3" }
 num-bigint = { version = "0.4", optional = true }
 serde = { version = "1", optional = true }
 
+[build-dependencies]
+regex-lite = "0.1"
+
 [profile.dev]
 panic = "unwind"
 

rustler_sys/build.rs → rustler/build.rs

@@ -108,11 +108,10 @@ impl<'a> ApiBuilder for ForwardersApiBuilder<'a> {
         writeln!(self.0, "}}\n").unwrap();
     }
     fn variadic_func(&mut self, ret: &str, name: &str, args: &str) {
-        writeln!(self.0, "#[macro_export]").unwrap();
-        writeln!(self.0, "macro_rules! {} {{", name).unwrap();
+        writeln!(self.0, "#[macro_export] macro_rules! {} {{", name).unwrap();
         writeln!(
             self.0,
-            "    ( $( $arg:expr ),* ) => {{ $crate::get_{}()($($arg),*) }};",
+            "    ( $( $arg:expr ),* ) => {{ $crate::sys::get_{}()($($arg),*) }};",
             name
         )
         .unwrap();
@@ -123,6 +122,7 @@ impl<'a> ApiBuilder for ForwardersApiBuilder<'a> {
         )
         .unwrap();
         writeln!(self.0, "}}\n").unwrap();
+        writeln!(self.0, "pub use {name};\n").unwrap();
 
         write!(self.0, "pub unsafe fn get_{}() -> ", name).unwrap();
         write_variadic_fn_type(self.0, args, ret);

rustler/src/alloc.rs

@@ -1,5 +1,7 @@
 use std::alloc::{GlobalAlloc, Layout};
 
+use crate::sys::{c_void, enif_alloc, enif_free};
+
 const SIZEOF_USIZE: usize = std::mem::size_of::<usize>();
 const MAX_ALIGN: usize = 8;
 
@@ -23,7 +25,7 @@ unsafe impl GlobalAlloc for EnifAllocator {
             // `layout.align() - 1`. The requirement for an additional `usize` just shifts the
             // problem without changing the padding requirement.
             let total_size = SIZEOF_USIZE + layout.size() + layout.align() - 1;
-            let ptr = rustler_sys::enif_alloc(total_size) as *mut u8;
+            let ptr = enif_alloc(total_size) as *mut u8;
 
             // Shift the returned pointer to make space for the original pointer
             let ptr1 = ptr.wrapping_add(SIZEOF_USIZE);
@@ -37,7 +39,7 @@ unsafe impl GlobalAlloc for EnifAllocator {
 
             aligned_ptr
         } else {
-            rustler_sys::enif_alloc(layout.size()) as *mut u8
+            enif_alloc(layout.size()) as *mut u8
         }
     }
 
@@ -46,10 +48,10 @@ unsafe impl GlobalAlloc for EnifAllocator {
             // Retrieve the original pointer
             let header = ptr.wrapping_sub(SIZEOF_USIZE);
             let ptr = *(header as *mut usize);
-            ptr as *mut rustler_sys::c_void
+            ptr as *mut c_void
         } else {
-            ptr as *mut rustler_sys::c_void
+            ptr as *mut c_void
         };
-        rustler_sys::enif_free(ptr);
+        enif_free(ptr);
     }
 }

rustler/src/codegen_runtime.rs

@@ -19,7 +19,7 @@ pub use crate::wrapper::{
     NIF_ENV, NIF_MAJOR_VERSION, NIF_MINOR_VERSION, NIF_TERM,
 };
 
-pub use rustler_sys::{internal_set_symbols, internal_write_symbols, DynNifCallbacks};
+pub use crate::sys::{internal_set_symbols, internal_write_symbols, DynNifCallbacks};
 
 pub unsafe trait NifReturnable {
     unsafe fn into_returned(self, env: Env) -> NifReturned;
@@ -83,7 +83,7 @@ impl NifReturned {
                 flags,
                 fun,
                 args,
-            } => rustler_sys::enif_schedule_nif(
+            } => crate::sys::enif_schedule_nif(
                 env.as_c_arg(),
                 fun_name.as_ptr() as *const c_char,
                 flags as i32,

rustler/src/dynamic.rs

@@ -1,7 +1,7 @@
 use std::ffi::c_double;
 
 #[cfg(feature = "nif_version_2_15")]
-use rustler_sys::ErlNifTermType;
+use crate::sys::ErlNifTermType;
 
 use crate::wrapper::check;
 use crate::Term;
@@ -108,7 +108,7 @@ impl<'a> Term<'a> {
     pub fn is_float(self) -> bool {
         let mut val: c_double = 0.0;
         unsafe {
-            rustler_sys::enif_get_double(self.get_env().as_c_arg(), self.as_c_arg(), &mut val) == 1
+            crate::sys::enif_get_double(self.get_env().as_c_arg(), self.as_c_arg(), &mut val) == 1
         }
     }
 

rustler/src/env.rs

@@ -1,3 +1,4 @@
+use crate::sys::{enif_alloc_env, enif_clear_env, enif_free_env, enif_send, enif_whereis_pid};
 use crate::thread::is_scheduler_thread;
 use crate::types::LocalPid;
 use crate::wrapper::{NIF_ENV, NIF_TERM};
@@ -114,9 +115,7 @@ impl<'a> Env<'a> {
         let message = message.encode(self);
 
         // Send the message.
-        let res = unsafe {
-            rustler_sys::enif_send(env, pid.as_c_arg(), ptr::null_mut(), message.as_c_arg())
-        };
+        let res = unsafe { enif_send(env, pid.as_c_arg(), ptr::null_mut(), message.as_c_arg()) };
 
         if res == 1 {
             Ok(())
@@ -143,7 +142,7 @@ impl<'a> Env<'a> {
         let mut enif_pid = std::mem::MaybeUninit::uninit();
 
         if unsafe {
-            rustler_sys::enif_whereis_pid(
+            enif_whereis_pid(
                 self.as_c_arg(),
                 name_or_pid.as_c_arg(),
                 enif_pid.as_mut_ptr(),
@@ -208,7 +207,7 @@ impl OwnedEnv {
     #[allow(clippy::arc_with_non_send_sync)] // Likely false negative, see https://github.com/rust-lang/rust-clippy/issues/11382
     pub fn new() -> OwnedEnv {
         OwnedEnv {
-            env: Arc::new(unsafe { rustler_sys::enif_alloc_env() }),
+            env: Arc::new(unsafe { enif_alloc_env() }),
         }
     }
 
@@ -249,9 +248,7 @@ impl OwnedEnv {
 
         let message = self.run(|env| closure(env).encode(env).as_c_arg());
 
-        let res = unsafe {
-            rustler_sys::enif_send(ptr::null_mut(), recipient.as_c_arg(), *self.env, message)
-        };
+        let res = unsafe { enif_send(ptr::null_mut(), recipient.as_c_arg(), *self.env, message) };
 
         self.clear();
 
@@ -275,7 +272,7 @@ impl OwnedEnv {
         let c_env = *self.env;
         self.env = Arc::new(c_env);
         unsafe {
-            rustler_sys::enif_clear_env(c_env);
+            enif_clear_env(c_env);
         }
     }
 
@@ -318,7 +315,7 @@ impl OwnedEnv {
 impl Drop for OwnedEnv {
     fn drop(&mut self) {
         unsafe {
-            rustler_sys::enif_free_env(*self.env);
+            enif_free_env(*self.env);
         }
     }
 }

rustler/src/lib.rs

@@ -82,6 +82,4 @@ pub mod serde;
 #[cfg(feature = "serde")]
 pub use crate::serde::SerdeTerm;
 
-pub mod sys {
-    pub use rustler_sys::*;
-}
+pub mod sys;

rustler/src/resource/arc.rs

@@ -2,7 +2,10 @@ use std::mem::MaybeUninit;
 use std::ops::Deref;
 use std::ptr;
 
-use rustler_sys::{c_void, ErlNifEnv};
+use crate::sys::{
+    c_void, enif_alloc_resource, enif_demonitor_process, enif_keep_resource, enif_make_resource,
+    enif_make_resource_binary, enif_monitor_process, enif_release_resource, ErlNifEnv,
+};
 
 use crate::thread::is_scheduler_thread;
 use crate::{Binary, Decoder, Encoder, Env, Error, LocalPid, Monitor, NifResult, OwnedEnv, Term};
@@ -40,7 +43,7 @@ where
     pub fn new(data: T) -> Self {
         let alloc_size = get_alloc_size_struct::<T>();
         let resource_type = T::get_resource_type().unwrap();
-        let mem_raw = unsafe { rustler_sys::enif_alloc_resource(resource_type, alloc_size) };
+        let mem_raw = unsafe { enif_alloc_resource(resource_type, alloc_size) };
         let aligned_mem = unsafe { align_alloced_mem_for_struct::<T>(mem_raw) as *mut T };
 
         unsafe { ptr::write(aligned_mem, data) };
@@ -80,7 +83,7 @@ where
         F: FnOnce(&'a T) -> &'b [u8],
     {
         let bin = f(&*self.inner);
-        let binary = rustler_sys::enif_make_resource_binary(
+        let binary = enif_make_resource_binary(
             env.as_c_arg(),
             self.raw,
             bin.as_ptr() as *const c_void,
@@ -93,17 +96,12 @@ where
 
     fn from_term(term: Term) -> Result<Self, Error> {
         let (raw, inner) = unsafe { term.try_get_resource_ptrs::<T>() }.ok_or(Error::BadArg)?;
-        unsafe { rustler_sys::enif_keep_resource(raw) };
+        unsafe { enif_keep_resource(raw) };
         Ok(ResourceArc { raw, inner })
     }
 
     fn as_term<'a>(&self, env: Env<'a>) -> Term<'a> {
-        unsafe {
-            Term::new(
-                env,
-                rustler_sys::enif_make_resource(env.as_c_arg(), self.raw),
-            )
-        }
+        unsafe { Term::new(env, enif_make_resource(env.as_c_arg(), self.raw)) }
     }
 
     fn as_c_arg(&mut self) -> *const c_void {
@@ -126,9 +124,8 @@ where
 
         let env = maybe_env(caller_env);
         let mut mon = MaybeUninit::uninit();
-        let res = unsafe {
-            rustler_sys::enif_monitor_process(env, self.raw, pid.as_c_arg(), mon.as_mut_ptr()) == 0
-        };
+        let res =
+            unsafe { enif_monitor_process(env, self.raw, pid.as_c_arg(), mon.as_mut_ptr()) == 0 };
         if res {
             Some(unsafe { Monitor::new(mon.assume_init()) })
         } else {
@@ -142,7 +139,7 @@ where
         }
 
         let env = maybe_env(caller_env);
-        unsafe { rustler_sys::enif_demonitor_process(env, self.raw, mon.as_c_arg()) == 0 }
+        unsafe { enif_demonitor_process(env, self.raw, mon.as_c_arg()) == 0 }
     }
 }
 
@@ -179,9 +176,11 @@ impl<'a> Env<'a> {
         module: crate::Atom,
         name: crate::Atom,
         resource: Term<'a>,
-        call_data: *mut rustler_sys::c_void,
+        call_data: *mut c_void,
     ) -> Result<(), super::DynamicResourceCallError> {
-        let res = rustler_sys::enif_dynamic_resource_call(
+        use crate::sys::enif_dynamic_resource_call;
+
+        let res = enif_dynamic_resource_call(
             self.as_c_arg(),
             module.as_c_arg(),
             name.as_c_arg(),
@@ -215,7 +214,7 @@ where
     /// Cloning a `ResourceArc` simply increments the reference count for the
     /// resource. The `T` value is not cloned.
     fn clone(&self) -> Self {
-        unsafe { rustler_sys::enif_keep_resource(self.raw) };
+        unsafe { enif_keep_resource(self.raw) };
         ResourceArc {
             raw: self.raw,
             inner: self.inner,
@@ -234,7 +233,7 @@ where
     /// at an unpredictable time: whenever the VM decides to do garbage
     /// collection.
     fn drop(&mut self) {
-        unsafe { rustler_sys::enif_release_resource(self.as_c_arg()) };
+        unsafe { enif_release_resource(self.as_c_arg()) };
     }
 }
 

rustler/src/resource/monitor.rs

@@ -1,4 +1,4 @@
-use rustler_sys::ErlNifMonitor;
+use crate::sys::{enif_compare_monitors, ErlNifMonitor};
 
 /// Handle for a monitor created using `ResourceArc<T>::monitor`.
 ///
@@ -25,6 +25,6 @@ impl Monitor {
 
 impl PartialEq for Monitor {
     fn eq(&self, other: &Self) -> bool {
-        unsafe { rustler_sys::enif_compare_monitors(&self.inner, &other.inner) == 0 }
+        unsafe { enif_compare_monitors(&self.inner, &other.inner) == 0 }
     }
 }

rustler/src/resource/registration.rs

@@ -2,12 +2,11 @@ use super::traits;
 use super::util::align_alloced_mem_for_struct;
 use super::ResourceInitError;
 use crate::env::EnvKind;
-use crate::{Env, LocalPid, Monitor, Resource};
-use rustler_sys::ErlNifResourceDtor;
-use rustler_sys::{
-    c_char, c_void, ErlNifEnv, ErlNifMonitor, ErlNifPid, ErlNifResourceDown, ErlNifResourceFlags,
-    ErlNifResourceType, ErlNifResourceTypeInit,
+use crate::sys::{
+    c_char, c_void, ErlNifEnv, ErlNifMonitor, ErlNifPid, ErlNifResourceDown, ErlNifResourceDtor,
+    ErlNifResourceFlags, ErlNifResourceType, ErlNifResourceTypeInit,
 };
+use crate::{Env, LocalPid, Monitor, Resource};
 use std::any::TypeId;
 use std::ffi::CString;
 use std::mem::MaybeUninit;
@@ -116,7 +115,7 @@ impl Registration {
         if T::IMPLEMENTS_DYNCALL {
             Self {
                 init: ErlNifResourceTypeInit {
-                    dyncall: resource_dyncall::<T> as *const rustler_sys::ErlNifResourceDynCall,
+                    dyncall: resource_dyncall::<T> as *const crate::sys::ErlNifResourceDynCall,
                     members: max(self.init.members, 4),
                     ..self.init
                 },
@@ -230,10 +229,10 @@ type OpenResourceTypeFn = unsafe extern "C" fn(
 ) -> *const ErlNifResourceType;
 
 #[cfg(feature = "nif_version_2_16")]
-static OPEN_RESOURCE_TYPE: OpenResourceTypeFn = rustler_sys::enif_init_resource_type;
+static OPEN_RESOURCE_TYPE: OpenResourceTypeFn = crate::sys::enif_init_resource_type;
 
 #[cfg(not(feature = "nif_version_2_16"))]
-static OPEN_RESOURCE_TYPE: OpenResourceTypeFn = rustler_sys::enif_open_resource_type_x;
+static OPEN_RESOURCE_TYPE: OpenResourceTypeFn = crate::sys::enif_open_resource_type_x;
 
 const fn max(i: i32, j: i32) -> i32 {
     if i > j {

rustler/src/resource/term.rs

@@ -1,7 +1,7 @@
 use super::util::align_alloced_mem_for_struct;
 use super::{Resource, ResourceExt};
+use crate::sys::{c_void, enif_get_resource};
 use crate::{Decoder, Error, NifResult, Term};
-use rustler_sys::c_void;
 use std::mem::MaybeUninit;
 
 impl<'a> Term<'a> {
@@ -12,7 +12,7 @@ impl<'a> Term<'a> {
     ) -> Option<(*const c_void, *mut T)> {
         let typ = T::get_resource_type()?;
         let mut ret_obj = MaybeUninit::uninit();
-        let res = rustler_sys::enif_get_resource(
+        let res = enif_get_resource(
             self.get_env().as_c_arg(),
             self.as_c_arg(),
             typ,