This CL implements msg.<field>() and msg.<field_mut>() accessors for maps with primitive-typed keys and values for the UPB kernel only.
Support for the CPP runtime and non-scalar value types will be implemented in follow up CLs.
PiperOrigin-RevId: 580453646
diff --git a/rust/internal.rs b/rust/internal.rs
index d7ea96b..be9ddb2 100644
--- a/rust/internal.rs
+++ b/rust/internal.rs
@@ -62,6 +62,17 @@
_data: [u8; 0],
_marker: std::marker::PhantomData<(*mut u8, ::std::marker::PhantomPinned)>,
}
+
+ /// Opaque pointee for [`RawMap`]
+ ///
+ /// This type is not meant to be dereferenced in Rust code.
+ /// It is only meant to provide type safety for raw pointers
+ /// which are manipulated behind FFI.
+ #[repr(C)]
+ pub struct RawMapData {
+ _data: [u8; 0],
+ _marker: std::marker::PhantomData<(*mut u8, ::std::marker::PhantomPinned)>,
+ }
}
/// A raw pointer to the underlying message for this runtime.
@@ -73,6 +84,9 @@
/// A raw pointer to the underlying repeated field container for this runtime.
pub type RawRepeatedField = NonNull<_opaque_pointees::RawRepeatedFieldData>;
+/// A raw pointer to the underlying arena for this runtime.
+pub type RawMap = NonNull<_opaque_pointees::RawMapData>;
+
/// Represents an ABI-stable version of `NonNull<[u8]>`/`string_view` (a
/// borrowed slice of bytes) for FFI use only.
///
