core: Add feature known_stubs to retrieve all known stubs

Cargo.lock

@@ -2361,6 +2361,26 @@ version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0717cef1bc8b636c6e1c1bbdefc09e6322da8a9321966e8928ef80d20f7f770f"
 
+[[package]]
+name = "linkme"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "22bcb06ef182e7557cf18d85bd151319d657bd8f699d381435781871f3027af8"
+dependencies = [
+ "linkme-impl",
+]
+
+[[package]]
+name = "linkme-impl"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "83f2011c1121c45eb4d9639cf5dcbae9622d2978fc5e922a346bfdc6c46700b5"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.1.4"
@@ -3463,6 +3483,7 @@ dependencies = [
  "generational-arena",
  "indexmap",
  "instant",
+ "linkme",
  "lzma-rs",
  "nellymoser-rs",
  "num-derive",

core/Cargo.toml

@@ -8,6 +8,7 @@ repository.workspace = true
 version.workspace = true
 
 [dependencies]
+linkme = { version = "0.3", optional = true }
 byteorder = "1.4"
 bitstream-io = "1.6.0"
 flate2 = "1.0.25"
@@ -64,6 +65,7 @@ timeline_debug = []
 mp3 = ["symphonia"]
 nellymoser = ["nellymoser-rs"]
 audio = ["dasp"]
+known_stubs = ["linkme"]
 
 [build-dependencies]
 build_playerglobal = { path = "build_playerglobal" }

core/src/avm1.rs

@@ -63,3 +63,31 @@ macro_rules! avm_error {
         }
     )
 }
+
+#[macro_export]
+macro_rules! avm1_stub {
+    ($activation: ident, $class: literal, $method: literal) => {
+        #[cfg_attr(
+            feature = "known_stubs",
+            linkme::distributed_slice($crate::stub::KNOWN_STUBS)
+        )]
+        static STUB: $crate::stub::Stub = $crate::stub::Stub::Avm1Method {
+            class: $class,
+            method: $method,
+            specifics: None,
+        };
+        $activation.context.stub_tracker.encounter(&STUB);
+    };
+    ($activation: ident, $class: literal, $method: literal, $specifics: literal) => {
+        #[cfg_attr(
+            feature = "known_stubs",
+            linkme::distributed_slice($crate::stub::KNOWN_STUBS)
+        )]
+        static STUB: $crate::stub::Stub = $crate::stub::Stub::Avm1Method {
+            class: $class,
+            method: $method,
+            specifics: Some(Cow::Borrowed($specifics)),
+        };
+        $activation.context.stub_tracker.encounter(&STUB);
+    };
+}

core/src/stub.rs

@@ -3,12 +3,16 @@ use std::borrow::Cow;
 use std::collections::hash_set::Iter;
 use std::fmt::{Debug, Display, Formatter};
 
+#[cfg(feature = "known_stubs")]
+#[linkme::distributed_slice]
+pub static KNOWN_STUBS: [Stub] = [..];
+
 #[derive(Ord, PartialOrd, Eq, PartialEq, Hash, Debug, Clone)]
 pub enum Stub {
     Avm1Method {
         class: &'static str,
         method: &'static str,
-        specifics: Option<Cow<'static, str>>,
+        specifics: Option<&'static str>,
     },
     Other(Cow<'static, str>),
 }
@@ -45,10 +49,10 @@ impl StubCollection {
         Self::default()
     }
 
-    pub fn encounter(&mut self, stub: Stub) {
+    pub fn encounter(&mut self, stub: &Stub) {
-        if !self.inner.contains(&stub) {
+        if !self.inner.contains(stub) {
             tracing::warn!("Encountered stub: {stub}");
-            self.inner.insert(stub);
+            self.inner.insert(stub.clone());
         }
     }