FEAT: improve support for static linking

bridge/bridge.c → bridge.c

@@ -1,4 +1,4 @@
-#include "bridge.h"
+#include <sqlite3ext.h>
 
 SQLITE_EXTENSION_INIT3
 

bridge/bridge.h → bridge.h

@@ -11,7 +11,7 @@
 // Most of the methods follow the convention of prefixing the sqlite api function with an underscore.
 // The bridge isn't extensive and doesn't cover the whole sqlite api.
 
-#include "../sqlite3.h"
+#include <sqlite3ext.h>
 
 //- routine that work with sqlite3_context; see: https://sqlite.org/c3ref/context.html
 //-----------------------------

context.go

@@ -1,8 +1,8 @@
 package sqlite
 
 // #include <stdlib.h>
-// #include "sqlite3.h"
-// #include "bridge/bridge.h"
+// #include <sqlite3ext.h>
+// #include "bridge.h"
 //
 // extern void pointer_destructor_hook_tramp(void*);
 import "C"

error.go

@@ -14,7 +14,7 @@
 
 package sqlite
 
-// #include "sqlite3.h"
+// #include <sqlite3ext.h>
 import "C"
 import "fmt"
 

extension.c

@@ -1,6 +1,6 @@
 // This file contains the SQLite3 extension entry-point routine
 // as defined here https://sqlite.org/loadext.html
-#include "sqlite3.h"
+#include <sqlite3ext.h>
 
 SQLITE_EXTENSION_INIT1
 

extension.go

@@ -3,8 +3,8 @@ package sqlite
 // #cgo CFLAGS: -fPIC
 //
 // #include <stdlib.h>
-// #include "sqlite3.h"
-// #include "bridge/bridge.h"
+// #include <sqlite3ext.h>
+// #include "bridge.h"
 //
 // extern int  commit_hook_tramp(void*);
 // extern void rollback_hook_tramp(void*);
@@ -48,6 +48,15 @@ func go_sqlite3_extension_init(name *C.char, db *C.struct_sqlite3, msg **C.char)
 	return code
 }
 
+// UnderlyingConnection represents a handle to an open sqlite3 database connection object.
+type UnderlyingConnection *C.struct_sqlite3
+
+// RegisterWith registers the given extension with the provided connection object.
+// The intended use-case is to provide support for statically linked extensions.
+func RegisterWith(conn UnderlyingConnection, fn ExtensionFunc) (ErrorCode, error) {
+	return fn(&ExtensionApi{db: (*C.struct_sqlite3)(conn)})
+}
+
 // ExtensionApi wraps the underlying sqlite_api_routines and allows Go code to hook into
 // sqlite's extension facility.
 type ExtensionApi struct {

func.go

@@ -1,8 +1,8 @@
 package sqlite
 
 // #include <stdlib.h>
-// #include "sqlite3.h"
-// #include "bridge/bridge.h"
+// #include <sqlite3ext.h>
+// #include "bridge.h"
 //
 // extern void scalar_function_apply_tramp(sqlite3_context*, int, sqlite3_value**);
 // extern void aggregate_function_step_tramp(sqlite3_context*, int, sqlite3_value**);