build suil with symbols; pass features correctly

.gitignore

@@ -1,3 +1,4 @@
 target
 perf.data*
 flamegraph*.svg
+vgcore*

crates/suil/src/lib.rs

@@ -10,28 +10,20 @@ pub struct Instance(*mut self::bound::SuilInstance);
 impl Host {
     pub fn new () -> Self {
         Self(unsafe {
-            let argv = &mut [] as *mut *mut *mut i8;
+            let mut argv = [];
-            bound::suil_init(&mut 0, argv, 0);
+            bound::suil_init(
+                &mut 0,
+                &mut argv as *mut *mut *mut i8,
+                0
+            );
             bound::suil_host_new(
-                Some(Self::write),
+                Some(write),
-                Some(Self::index),
+                Some(index),
-                Some(Self::subscribe),
+                None,
-                Some(Self::unsubscribe),
+                None,
             )
         })
     }
-    unsafe extern "C" fn write (
-        _: *mut c_void, _: u32, _: u32, _: u32, _: *const c_void
-    ) {}
-    unsafe extern "C" fn index (
-        _: *mut c_void, _: *const i8
-    ) -> u32 {0}
-    unsafe extern "C" fn subscribe (
-        _: *mut c_void, _: u32, _: u32, _: *const *const bound::LV2_Feature
-    ) -> u32 {0}
-    unsafe extern "C" fn unsubscribe (
-        _: *mut c_void, _: u32, _: u32, _: *const *const bound::LV2_Feature
-    ) -> u32 {0}
     fn set_touch_func (&self) {
         unimplemented!();
     }
@@ -68,6 +60,33 @@ impl Host {
     }
 }
 
+unsafe extern "C" fn write (
+    _: *mut c_void, _: u32, _: u32, _: u32, _: *const c_void
+) {
+    panic!("write")
+}
+
+unsafe extern "C" fn index (
+    _: *mut c_void, _: *const i8
+) -> u32 {
+    panic!("index");
+    0
+}
+
+//unsafe extern "C" fn subscribe (
+    //_: *mut c_void, _: u32, _: u32, _: *const *const bound::LV2_Feature
+//) -> u32 {
+    //panic!("subscribe");
+    //0
+//}
+
+//unsafe extern "C" fn unsubscribe (
+    //_: *mut c_void, _: u32, _: u32, _: *const *const bound::LV2_Feature
+//) -> u32 {
+    //panic!("unsubscribe");
+    //0
+//}
+
 impl Drop for Host {
     fn drop (&mut self) -> () {
         unsafe {

crates/suil/src/test.rs

@@ -2,21 +2,26 @@ use crate::*;
 use std::sync::Arc;
 
 #[test]
-fn panics () {
+fn test_lv2_ui () {
     let host = Host::new();
     let mut plugin = plugin::LV2Plugin::new("file:///home/user/.lv2/Odin2.lv2").unwrap();
+    for ui in plugin.plugin.raw().uis().unwrap().iter() {
+        println!("{:?}", ui.uri());
+        println!("{:?}", ui.classes());
+    }
+    let mut features = [];
+    std::mem::forget(features);
     let instance = Arc::new(host.instance(
-        &mut plugin,
+        &mut plugin.instance.raw(),
-        "",
+        "http://lv2plug.in/ns/extensions/ui#X11UI",
         "https://thewavewarden.com/odin2",
         "https://thewavewarden.com/odin2#ParentUI",
-        "",
+        "/home/user/.lv2/Odin2.lv2",
-        "",
         "/home/user/.lv2/Odin2.lv2/Odin2.so",
-        &[],
+        "/home/user/.lv2/Odin2.lv2/Odin2.so",
+        &features,
     ).unwrap());
     self::ui::UI::run(&instance).join();
-    panic!();
 }
 
 mod ui {

shell.nix

@@ -1,5 +1,11 @@
 #!/usr/bin/env nix-shell
-{pkgs?import<nixpkgs>{}}:pkgs.mkShell{
+{pkgs?import<nixpkgs>{}}:let
+
+  suil = pkgs.enableDebugging (pkgs.suil.overrideAttrs (a: b: {
+    dontStrip = true; separateDebugInfo = true;
+  }));
+
+in pkgs.mkShell {
   nativeBuildInputs = with pkgs; [
     pkg-config
     freetype