bpo-42064: Optimise `sqlite3` state access, part 1 (GH-27273)

Prepare for module state:

- Add "get state by defining class" and "get state by module def" stubs
- Add AC defining class when needed
- Add state pointer to connection context
- Pass state as argument to utility functions

Automerge-Triggered-By: GH:encukou

1 files changed, 3 insertions, 1 deletions

diff --git a/Modules/_sqlite/statement.h b/Modules/_sqlite/statement.h
index 70801cc..dc692d7 100644
--- a/Modules/_sqlite/statement.h
+++ b/Modules/_sqlite/statement.h
@@ -41,7 +41,9 @@ typedef struct
 pysqlite_Statement *pysqlite_statement_create(pysqlite_Connection *connection, PyObject *sql);
 
 int pysqlite_statement_bind_parameter(pysqlite_Statement* self, int pos, PyObject* parameter);
-void pysqlite_statement_bind_parameters(pysqlite_Statement* self, PyObject* parameters);
+void pysqlite_statement_bind_parameters(pysqlite_state *state,
+                                        pysqlite_Statement *self,
+                                        PyObject *parameters);
 
 int pysqlite_statement_finalize(pysqlite_Statement* self);
 int pysqlite_statement_reset(pysqlite_Statement* self);