1 files changed, 25 insertions, 0 deletions
diff --git a/src/nvim/yankmap.h b/src/nvim/yankmap.h
new file mode 100644
index 0000000000..4468f3a016
--- /dev/null
+++ b/src/nvim/yankmap.h
@@ -0,0 +1,25 @@
+#ifndef YANK_TRIE_H_
+#define YANK_TRIE_H_
+
+#include <stdbool.h>
+
+#include "nvim/map_defs.h"
+#include "nvim/ops.h"
+
+typedef struct {
+  /* Register name to yank register. */
+  Map(int, ptr_t) reg_to_yankreg;
+
+  /* Yank register to register name. */
+  Map(ptr_t, int) yankreg_to_reg;
+} yankmap_T;
+
+void init_yankmap(yankmap_T* yankmap);
+
+yankreg_T* yankmap_get(yankmap_T* yankmap, int reg);
+
+yankreg_T* yankmap_put(yankmap_T* yankmap, int index);
+
+int yankmap_find(yankmap_T* yankmap, yankreg_T* yankreg);
+
+#endif