Codegen: move rust.doc_test_signature to parametrized pragmas

misc/codegen/generators/rusttestgen.py

@@ -55,7 +55,7 @@ def generate(opts, renderer):
                 continue
             assert not adding_code, "Unterminated code block in docstring: " + "\n".join(cls.doc)
             test_name = inflection.underscore(cls.name)
-            signature = cls.rust_doc_test_function
+            signature = cls.pragmas.get("rust_doc_test_signature", "() -> ()")
             fn = signature and Function(f"test_{test_name}", signature)
             if fn:
                 indent = 4 * " "

misc/codegen/lib/schema.py

@@ -98,7 +98,6 @@ class Class:
     doc: List[str] = field(default_factory=list)
     hideable: bool = False
     test_with: Optional[str] = None
-    rust_doc_test_function: Optional["FunctionInfo"] = "() -> ()"  # TODO: parametrized pragmas
 
     def __post_init__(self):
         if not isinstance(self.pragmas, dict):

misc/codegen/lib/schemadefs.py

@@ -241,7 +241,7 @@ cpp.add(_Pragma("skip"))
 
 rust.add(_Pragma("skip_doc_test"))
 
-rust.doc_test_signature = lambda signature: _annotate(rust_doc_test_function=signature)
+rust.add(_ParametrizedClassPragma("doc_test_signature", lambda signature: signature))
 
 
 def group(name: str = "") -> _ClassDecorator:

misc/codegen/loaders/schemaloader.py

@@ -56,8 +56,6 @@ def _get_class(cls: type) -> schema.Class:
                             for n, a in cls.__dict__.get("__annotations__", {}).items()
                         ],
                         doc=schema.split_doc(cls.__doc__),
-                        rust_doc_test_function=cls.__dict__.get("_rust_doc_test_function",
-                                                                schema.Class.rust_doc_test_function)
                         )