Make the default the reentrant storage

.github/workflows/full-ci.yml

@@ -7,7 +7,6 @@ name: Full CI
 # Runs before merging. Rebases on master to make sure CI passes for latest integration, not only for the PR at the time of creation.
 
 on:
-  push:
   merge_group:
 #  push:
 
@@ -189,50 +188,25 @@ jobs:
             artifact-name: macos-nightly
             godot-binary: godot.macos.editor.dev.x86_64
             rust-extra-args: --features godot/custom-godot
-
-          - name: macos-bind-self
-            os: macos-12
-            artifact-name: macos-nightly
-            godot-binary: godot.macos.editor.dev.x86_64
-            rust-extra-args: --features godot/custom-godot,itest/experimental-bind-self
 
           - name: macos-double
             os: macos-12
             artifact-name: macos-double-nightly
             godot-binary: godot.macos.editor.dev.double.x86_64
             rust-extra-args: --features godot/custom-godot,godot/double-precision
-
-          - name: macos-double-bind-self
-            os: macos-12
-            artifact-name: macos-double-nightly
-            godot-binary: godot.macos.editor.dev.double.x86_64
-            rust-extra-args: --features godot/custom-godot,godot/double-precision,itest/experimental-bind-self
 
           - name: macos-4.1
             os: macos-12
             artifact-name: macos-stable
             godot-binary: godot.macos.editor.dev.x86_64
             #godot-prebuilt-patch: '4.1'
-            rust-extra-args: --features itest/experimental-bind-self
-
-          - name: macos-bind-self-4.1
-            os: macos-12
-            artifact-name: macos-stable
-            godot-binary: godot.macos.editor.dev.x86_64
-            #godot-prebuilt-patch: '4.1'
 
           # TODO merge with other jobs
           - name: macos-lazy-fptrs
             os: macos-12
             artifact-name: macos-nightly
             godot-binary: godot.macos.editor.dev.x86_64
             rust-extra-args: --features godot/lazy-function-tables
-
-          - name: macos-lazy-fptrs-bind-self
-            os: macos-12
-            artifact-name: macos-nightly
-            godot-binary: godot.macos.editor.dev.x86_64
-            rust-extra-args: --features godot/lazy-function-tables,itest/experimental-bind-self
 
           # Windows
 
@@ -242,49 +216,24 @@ jobs:
             godot-binary: godot.windows.editor.dev.x86_64.exe
             rust-extra-args: --features godot/custom-godot
 
-          - name: windows-bind-self
-            os: windows-latest
-            artifact-name: windows-nightly
-            godot-binary: godot.windows.editor.dev.x86_64.exe
-            rust-extra-args: --features godot/custom-godot,itest/experimental-bind-self
-
           - name: windows-double
             os: windows-latest
             artifact-name: windows-double-nightly
             godot-binary: godot.windows.editor.dev.double.x86_64.exe
             rust-extra-args: --features godot/custom-godot,godot/double-precision
 
-          - name: windows-double-bind-self
-            os: windows-latest
-            artifact-name: windows-double-nightly
-            godot-binary: godot.windows.editor.dev.double.x86_64.exe
-            rust-extra-args: --features godot/custom-godot,godot/double-precision,itest/experimental-bind-self
-
           - name: windows-4.1
             os: windows-latest
             artifact-name: windows-stable
             godot-binary: godot.windows.editor.dev.x86_64.exe
             #godot-prebuilt-patch: '4.1'
 
-          - name: windows-bind-self-4.1
-            os: windows-latest
-            artifact-name: windows-stable
-            godot-binary: godot.windows.editor.dev.x86_64.exe
-            #godot-prebuilt-patch: '4.1'
-            rust-extra-args: --features itest/experimental-bind-self
-
           # TODO merge with other jobs
           - name: windows-lazy-fptrs
             os: windows-latest
             artifact-name: windows-nightly
             godot-binary: godot.windows.editor.dev.x86_64.exe
             rust-extra-args: --features godot/lazy-function-tables
-
-          - name: windows-lazy-fptrs-bind-self
-            os: windows-latest
-            artifact-name: windows-nightly
-            godot-binary: godot.windows.editor.dev.x86_64.exe
-            rust-extra-args: --features godot/lazy-function-tables,itest/experimental-bind-self
 
           # Linux
 
@@ -296,49 +245,25 @@ jobs:
             godot-binary: godot.linuxbsd.editor.dev.x86_64
             rust-extra-args: --features godot/custom-godot
 
-          - name: linux-bind-self
-            os: ubuntu-20.04
-            artifact-name: linux-nightly
-            godot-binary: godot.linuxbsd.editor.dev.x86_64
-            rust-extra-args: --features godot/custom-godot,itest/experimental-bind-self
-
           - name: linux-double
             os: ubuntu-20.04
             artifact-name: linux-double-nightly
             godot-binary: godot.linuxbsd.editor.dev.double.x86_64
             rust-extra-args: --features godot/custom-godot,godot/double-precision
 
-          - name: linux-double-bind-self
-            os: ubuntu-20.04
-            artifact-name: linux-double-nightly
-            godot-binary: godot.linuxbsd.editor.dev.double.x86_64
-            rust-extra-args: --features godot/custom-godot,godot/double-precision,itest/experimental-bind-self
-
           - name: linux-features
             os: ubuntu-20.04
             artifact-name: linux-nightly
             godot-binary: godot.linuxbsd.editor.dev.x86_64
             rust-extra-args: --features godot/custom-godot,godot/experimental-threads,godot/serde
 
-          - name: linux-features-bind-self
-            os: ubuntu-20.04
-            artifact-name: linux-nightly
-            godot-binary: godot.linuxbsd.editor.dev.x86_64
-            rust-extra-args: --features godot/custom-godot,godot/experimental-threads,godot/serde,itest/experimental-bind-self
-
           # TODO merge with other jobs
           - name: linux-lazy-fptrs
             os: ubuntu-20.04
             artifact-name: linux-nightly
             godot-binary: godot.linuxbsd.editor.dev.x86_64
             rust-extra-args: --features godot/lazy-function-tables
 
-          - name: linux-lazy-fptrs-bind-self
-            os: ubuntu-20.04
-            artifact-name: linux-nightly
-            godot-binary: godot.linuxbsd.editor.dev.x86_64
-            rust-extra-args: --features godot/lazy-function-tables,itest/experimental-bind-self
-
           # Linux compat
 
           - name: linux-4.1.1
@@ -347,38 +272,18 @@ jobs:
             godot-binary: godot.linuxbsd.editor.dev.x86_64
             #godot-prebuilt-patch: '4.1.1'
 
-          - name: linux-bind-self-4.1.1
-            os: ubuntu-20.04
-            artifact-name: linux-stable
-            godot-binary: godot.linuxbsd.editor.dev.x86_64
-            #godot-prebuilt-patch: '4.1.1'
-            rust-extra-args: --features itest/experimental-bind-self
-
           - name: linux-4.1
             os: ubuntu-20.04
             artifact-name: linux-stable
             godot-binary: godot.linuxbsd.editor.dev.x86_64
             godot-prebuilt-patch: '4.1'
 
-          - name: linux-bind-self-4.1
-            os: ubuntu-20.04
-            artifact-name: linux-stable
-            godot-binary: godot.linuxbsd.editor.dev.x86_64
-            godot-prebuilt-patch: '4.1'
-            rust-extra-args: --features itest/experimental-bind-self
-
           - name: linux-4.0.4
             os: ubuntu-20.04
             artifact-name: linux-4.0.4
             godot-binary: godot.linuxbsd.editor.dev.x86_64
             godot-prebuilt-patch: '4.0.4'
 
-          - name: linux-bind-self-4.0.4
-            os: ubuntu-20.04
-            artifact-name: linux-4.0.4
-            godot-binary: godot.linuxbsd.editor.dev.x86_64
-            godot-prebuilt-patch: '4.0.4'
-            rust-extra-args: --features itest/experimental-bind-self
 
           # Memory checks: special Godot binaries compiled with AddressSanitizer/LeakSanitizer to detect UB/leaks.
           # See also https://rustc-dev-guide.rust-lang.org/sanitizers.html.
@@ -397,16 +302,6 @@ jobs:
             # Sanitizers can't build proc-macros and build scripts; with --target, cargo ignores RUSTFLAGS for those two.
             rust-target: x86_64-unknown-linux-gnu
 
-          - name: linux-memcheck-bind-self
-            os: ubuntu-20.04
-            artifact-name: linux-memcheck-clang-nightly
-            godot-binary: godot.linuxbsd.editor.dev.x86_64.llvm.san
-            rust-toolchain: nightly
-            rust-env-rustflags: -Zrandomize-layout -Zsanitizer=address
-            rust-extra-args: --features godot/custom-godot,itest/experimental-bind-self
-            # Sanitizers can't build proc-macros and build scripts; with --target, cargo ignores RUSTFLAGS for those two.
-            rust-target: x86_64-unknown-linux-gnu
-
           - name: linux-memcheck-4.0.4
             os: ubuntu-20.04
             artifact-name: linux-memcheck-clang-4.0.4
@@ -416,17 +311,6 @@ jobs:
             rust-env-rustflags: -Zrandomize-layout -Zsanitizer=address
             # Sanitizers can't build proc-macros and build scripts; with --target, cargo ignores RUSTFLAGS for those two.
             rust-target: x86_64-unknown-linux-gnu
-
-          - name: linux-memcheck-bind-self-4.0.4
-            os: ubuntu-20.04
-            artifact-name: linux-memcheck-clang-4.0.4
-            godot-binary: godot.linuxbsd.editor.dev.x86_64.llvm.san
-            godot-prebuilt-patch: '4.0.4'
-            rust-toolchain: nightly
-            rust-env-rustflags: -Zrandomize-layout -Zsanitizer=address
-            rust-extra-args: --features itest/experimental-bind-self
-            # Sanitizers can't build proc-macros and build scripts; with --target, cargo ignores RUSTFLAGS for those two.
-            rust-target: x86_64-unknown-linux-gnu
 
     steps:
       - uses: actions/checkout@v3

godot-core/Cargo.toml

@@ -19,7 +19,6 @@ custom-godot = ["godot-ffi/custom-godot", "godot-codegen/custom-godot"]
 double-precision = ["godot-codegen/double-precision"]
 experimental-godot-api = ["godot-codegen/experimental-godot-api"]
 experimental-threads = []
-experimental-bind-self = ["godot-cell"]
 trace = ["godot-ffi/trace"]
 
 [dependencies]
@@ -28,7 +27,7 @@ godot-ffi = { path = "../godot-ffi" }
 # See https://docs.rs/glam/latest/glam/index.html#feature-gates
 glam = { version = "0.23", features = ["debug-glam-assert"] }
 serde = { version = "1", features = ["derive"], optional = true }
-godot-cell = { path = "../godot-cell", optional = true }
+godot-cell = { path = "../godot-cell" }
 
 # Reverse dev dependencies so doctests can use `godot::` prefix
 [dev-dependencies]

godot-core/src/obj/traits.rs

@@ -287,8 +287,8 @@ pub trait WithBaseField: GodotClass<Declarer = dom::UserDomain> {
 
     /// Returns a mutable reference suitable for calling engine methods on this object.
     ///
-    /// If the feature `experimental-bind-self` is enabled, then this method will allow you to call back into
-    /// the same object from Godot.
+    /// This method will allow you to call back into the same object from Godot, unlike what would happen
+    /// if you used [`to_gd()`](WithBaseField::to_gd).
     ///
     /// # Examples
     ///
@@ -316,7 +316,7 @@ pub trait WithBaseField: GodotClass<Declarer = dom::UserDomain> {
     /// # unsafe impl ExtensionLibrary for Test {}
     /// ```
     ///
-    /// And with `experimental-bind-self` enabled, code such as this works:
+    /// We can call back into `self` through Godot:
     ///
     /// ```
     /// use godot::prelude::*;
@@ -331,8 +331,6 @@ pub trait WithBaseField: GodotClass<Declarer = dom::UserDomain> {
     /// #[godot_api]
     /// impl INode for MyClass {
     ///     fn process(&mut self, _delta: f64) {
-    ///         // Only works with `experimental-bind-self` enabled. Without that feature, this will panic at
-    ///         // runtime.
     ///         self.base_mut().call("other_method".into(), &[]);
     ///     }
     /// }

godot-core/src/storage.rs

@@ -49,30 +49,11 @@ impl AtomicLifecycle {
     }
 }
 
-#[cfg_attr(
-    all(
-        not(feature = "experimental-bind-self"),
-        feature = "experimental-threads"
-    ),
-    allow(dead_code)
-)]
+#[cfg_attr(feature = "experimental-threads", allow(dead_code))]
 mod single_threaded;
 
-#[cfg_attr(
-    all(
-        not(feature = "experimental-bind-self"),
-        not(feature = "experimental-threads")
-    ),
-    allow(dead_code)
-)]
-mod multi_threaded;
-
-#[cfg(feature = "experimental-bind-self")]
 #[cfg_attr(not(feature = "experimental-threads"), allow(dead_code))]
-mod reentrant_multi_threaded;
-#[cfg(feature = "experimental-bind-self")]
-#[cfg_attr(feature = "experimental-threads", allow(dead_code))]
-mod reentrant_single_threaded;
+mod multi_threaded;
 
 /// A storage for an instance binding.
 ///
@@ -130,8 +111,6 @@ pub unsafe trait Storage {
     ///
     /// This can use the provided `instance` to provide extra safety guarantees such as allowing reentrant
     /// code to create new mutable references.
-    ///
-    /// Currently only has an effect if `experimental-bind-self` is enabled.
     fn get_base_mut<'a: 'b, 'b>(
         &'a self,
         instance: &'b mut Self::Instance,
@@ -202,27 +181,12 @@ pub(crate) trait StorageRefCounted: Storage {
     fn on_dec_ref(&self);
 }
 
-#[cfg(all(
-    not(feature = "experimental-threads"),
-    not(feature = "experimental-bind-self")
-))]
+#[cfg(not(feature = "experimental-threads"))]
 pub type InstanceStorage<T> = single_threaded::InstanceStorage<T>;
 
-#[cfg(all(
-    feature = "experimental-threads",
-    not(feature = "experimental-bind-self")
-))]
+#[cfg(feature = "experimental-threads")]
 pub type InstanceStorage<T> = multi_threaded::InstanceStorage<T>;
 
-#[cfg(all(
-    not(feature = "experimental-threads"),
-    feature = "experimental-bind-self"
-))]
-pub type InstanceStorage<T> = reentrant_single_threaded::InstanceStorage<T>;
-
-#[cfg(all(feature = "experimental-threads", feature = "experimental-bind-self"))]
-pub type InstanceStorage<T> = reentrant_multi_threaded::InstanceStorage<T>;
-
 pub type RefGuard<'a, T> = <InstanceStorage<T> as Storage>::RefGuard<'a>;
 pub type MutGuard<'a, T> = <InstanceStorage<T> as Storage>::MutGuard<'a>;
 pub type BaseMutGuard<'a, T> = <InstanceStorage<T> as Storage>::BaseMutGuard<'a>;