interpreter: add rust_abi to type annotations

mesonbuild/interpreter/kwargs.py

@@ -332,13 +332,17 @@ class _BuildTarget(_BaseBuildTarget):
     """Arguments shared by non-JAR functions"""
 
 
+class _LibraryMixin(TypedDict):
+
+    rust_abi: T.Optional[Literal['c', 'rust']]
+
 class Executable(_BuildTarget):
 
     gui_app: T.Optional[bool]
     win_subsystem: T.Optional[str]
 
 
-class StaticLibrary(_BuildTarget):
+class StaticLibrary(_BuildTarget, _LibraryMixin):
     pass
 
 
@@ -349,15 +353,15 @@ class _SharedLibMixin(TypedDict):
     version: T.Optional[str]
 
 
-class SharedLibrary(_BuildTarget, _SharedLibMixin):
+class SharedLibrary(_BuildTarget, _SharedLibMixin, _LibraryMixin):
     pass
 
 
-class SharedModule(_BuildTarget):
+class SharedModule(_BuildTarget, _LibraryMixin):
     pass
 
 
-class Library(_BuildTarget, _SharedLibMixin):
+class Library(_BuildTarget, _SharedLibMixin, _LibraryMixin):
 
     """For library, both_library, and as a base for build_target"""