1 files changed, 32 insertions, 4 deletions
diff --git a/src/golite.go b/src/golite.go
index b374fd3..cfc1484 100644
--- a/src/golite.go
+++ b/src/golite.go
@@ -33,10 +33,8 @@ Premises:
 #include <stdlib.h>
 #include <sqlite3.h>
 
-void callbackTrampoline(sqlite3_context*, int, sqlite3_value**);
-void     stepTrampoline(sqlite3_context*, int, sqlite3_value**);
-void     doneTrampoline(sqlite3_context*);
-
+void         stepTrampoline(sqlite3_context*, int, sqlite3_value**);
+void         doneTrampoline(sqlite3_context*);
 int       compareTrampoline(void*, int, char*, int, char*);
 int    commitHookTrampoline(void*);
 void rollbackHookTrampoline(void*);
@@ -111,6 +109,36 @@ func (b *SQLiteBackup) Close() error {
 	return nil
 }
 
+//export stepTrampoline
+func stepTrampoline(
+	ctx *C.sqlite3_context,
+	argc C.int,
+	argv **C.sqlite3_value,
+) {
+	const size = (math.MaxInt32 - 1) /
+		unsafe.Sizeof((*C.sqlite3_value)(nil))
+	args := (*[size]*C.sqlite3_value)(unsafe.Pointer(argv))
+	slice := args[:int(argc):int(argc)]
+	lookupHandle(C.sqlite3_user_data(ctx)).(*aggInfo).Step(ctx, slice)
+}
+
+//export doneTrampoline
+func doneTrampoline(ctx *C.sqlite3_context) {
+	lookupHandle(C.sqlite3_user_data(ctx)).(*aggInfo).Done(ctx)
+}
+
+//export compareTrampoline
+func compareTrampoline(
+	handlePtr unsafe.Pointer,
+	la C.int,
+	a *C.char,
+	lb C.int,
+	b *C.char,
+) C.int {
+	cmpFn := lookupHandle(handlePtr).(func(string, string) int)
+	return C.int(cmpFn(C.GoStringN(a, la), C.GoStringN(b, lb)))
+}
+
 //export commitHookTrampoline
 func commitHookTrampoline(handle unsafe.Pointer) C.int {
 	return C.int(lookupHandle(handle).(func() int)())