1 files changed, 88 insertions, 0 deletions
diff --git a/src/nvim/api/private/defs.h b/src/nvim/api/private/defs.h
new file mode 100644
index 0000000000..a91907f4f8
--- /dev/null
+++ b/src/nvim/api/private/defs.h
@@ -0,0 +1,88 @@
+#ifndef NVIM_API_DEFS_H
+#define NVIM_API_DEFS_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <string.h>
+
+#define ARRAY_DICT_INIT {.size = 0, .items = NULL}
+#define REMOTE_TYPE(type) typedef uint64_t type
+
+#define TYPED_ARRAY_OF(type)                                                  \
+  typedef struct {                                                            \
+    type *items;                                                              \
+    size_t size;                                                              \
+  } type##Array
+
+// Basic types
+typedef struct {
+  char msg[256];
+  bool set;
+} Error;
+
+typedef bool Boolean;
+typedef int64_t Integer;
+typedef double Float;
+
+typedef struct {
+  char *data;
+  size_t size;
+} String;
+
+REMOTE_TYPE(Buffer);
+REMOTE_TYPE(Window);
+REMOTE_TYPE(Tabpage);
+
+typedef struct object Object;
+
+TYPED_ARRAY_OF(Buffer);
+TYPED_ARRAY_OF(Window);
+TYPED_ARRAY_OF(Tabpage);
+TYPED_ARRAY_OF(String);
+
+typedef struct {
+  Integer row, col;
+} Position;
+
+typedef struct {
+  Object *items;
+  size_t size;
+} Array;
+
+typedef struct key_value_pair KeyValuePair;
+
+typedef struct {
+  KeyValuePair *items;
+  size_t size;
+} Dictionary;
+
+typedef enum {
+  kObjectTypeNil,
+  kObjectTypeBoolean,
+  kObjectTypeInteger,
+  kObjectTypeFloat,
+  kObjectTypeString,
+  kObjectTypeArray,
+  kObjectTypeDictionary
+} ObjectType;
+
+struct object {
+  ObjectType type;
+  union {
+    Boolean boolean;
+    Integer integer;
+    Float floating;
+    String string;
+    Array array;
+    Dictionary dictionary;
+  } data;
+};
+
+struct key_value_pair {
+  String key;
+  Object value;
+};
+
+
+#endif  // NVIM_API_DEFS_H
+