Merge branch 'use-uids-for-api-remote-objects'

1 files changed, 40 insertions, 0 deletions

diff --git a/src/nvim/api/private/handle.c b/src/nvim/api/private/handle.c
new file mode 100644
index 0000000000..88d176fccb
--- /dev/null
+++ b/src/nvim/api/private/handle.c
@@ -0,0 +1,40 @@
+#include <stdint.h>
+
+#include "nvim/vim.h"
+#include "nvim/map.h"
+#include "nvim/api/private/handle.h"
+
+#define HANDLE_INIT(name) name##_handles = map_new(uint64_t)()
+
+#define HANDLE_IMPL(type, name)                                               \
+  static Map(uint64_t) *name##_handles = NULL;                                \
+                                                                              \
+  type *handle_get_##name(uint64_t handle)                                    \
+  {                                                                           \
+    return map_get(uint64_t)(name##_handles, handle);                         \
+  }                                                                           \
+                                                                              \
+  void handle_register_##name(type *name)                                     \
+  {                                                                           \
+    assert(!name->handle);                                                    \
+    name->handle = next_handle++;                                             \
+    map_put(uint64_t)(name##_handles, name->handle, name);                    \
+  }                                                                           \
+                                                                              \
+  void handle_unregister_##name(type *name)                                   \
+  {                                                                           \
+    map_del(uint64_t)(name##_handles, name->handle);                          \
+  }
+
+static uint64_t next_handle = 1;
+
+HANDLE_IMPL(buf_T, buffer)
+HANDLE_IMPL(win_T, window)
+HANDLE_IMPL(tabpage_T, tabpage)
+
+void handle_init()
+{
+  HANDLE_INIT(buffer);
+  HANDLE_INIT(window);
+  HANDLE_INIT(tabpage);
+}