ext/statement.h in swift-0.6.1 vs ext/statement.h in swift-0.7.0

@@ -1,12 +1,22 @@
 #ifndef SWIFT_STATEMENT_H
 #define SWIFT_STATEMENT_H
 
 #include "swift.h"
 
+struct StatementWrapper {
+  dbi::AbstractStatement *statement;
+  VALUE adapter;
+  bool free;
+};
+
 extern VALUE cSwiftStatement;
 
 void init_swift_statement();
-void statement_free(dbi::AbstractStatement*);
+void statement_free(StatementWrapper *);
+void statement_mark(StatementWrapper *);
+
+VALUE statement_wrap_handle(VALUE, VALUE, dbi::AbstractStatement *);
+dbi::AbstractStatement* statement_handle(VALUE);
 
 #endif