refactor(api): make export of functions opt-in, not opt-out

src/nvim/api/deprecated.c

@@ -165,6 +165,7 @@ Integer nvim_buf_set_virtual_text(Buffer buffer, Integer src_id, Integer line, A
 /// @param lines      Array of lines
 /// @param[out] err   Error details, if any
 void buffer_insert(Buffer buffer, Integer lnum, ArrayOf(String) lines, Error *err)
+  FUNC_API_DEPRECATED_SINCE(1)
 {
   // "lnum" will be the index of the line after inserting,
   // no matter if it is negative or not
@@ -184,6 +185,7 @@ void buffer_insert(Buffer buffer, Integer lnum, ArrayOf(String) lines, Error *er
 /// @param[out] err Error details, if any
 /// @return Line string
 String buffer_get_line(Buffer buffer, Integer index, Error *err)
+  FUNC_API_DEPRECATED_SINCE(1)
 {
   String rv = { .size = 0 };
 
@@ -212,6 +214,7 @@ String buffer_get_line(Buffer buffer, Integer index, Error *err)
 /// @param line     Contents of the new line
 /// @param[out] err Error details, if any
 void buffer_set_line(Buffer buffer, Integer index, String line, Error *err)
+  FUNC_API_DEPRECATED_SINCE(1)
 {
   Object l = STRING_OBJ(line);
   Array array = { .items = &l, .size = 1 };
@@ -230,6 +233,7 @@ void buffer_set_line(Buffer buffer, Integer index, String line, Error *err)
 /// @param index    line index
 /// @param[out] err Error details, if any
 void buffer_del_line(Buffer buffer, Integer index, Error *err)
+  FUNC_API_DEPRECATED_SINCE(1)
 {
   Array array = ARRAY_DICT_INIT;
   index = convert_index(index);
@@ -255,6 +259,7 @@ ArrayOf(String) buffer_get_line_slice(Buffer buffer,
                                       Boolean include_start,
                                       Boolean include_end,
                                       Error *err)
+  FUNC_API_DEPRECATED_SINCE(1)
 {
   start = convert_index(start) + !include_start;
   end = convert_index(end) + include_end;
@@ -278,6 +283,7 @@ ArrayOf(String) buffer_get_line_slice(Buffer buffer,
 /// @param[out] err       Error details, if any
 void buffer_set_line_slice(Buffer buffer, Integer start, Integer end, Boolean include_start,
                            Boolean include_end, ArrayOf(String) replacement, Error *err)
+  FUNC_API_DEPRECATED_SINCE(1)
 {
   start = convert_index(start) + !include_start;
   end = convert_index(end) + include_end;
@@ -298,6 +304,7 @@ void buffer_set_line_slice(Buffer buffer, Integer start, Integer end, Boolean in
 ///         @warning It may return nil if there was no previous value
 ///                  or if previous value was `v:null`.
 Object buffer_set_var(Buffer buffer, String name, Object value, Error *err)
+  FUNC_API_DEPRECATED_SINCE(1)
 {
   buf_T *buf = find_buffer_by_handle(buffer, err);
 
@@ -317,6 +324,7 @@ Object buffer_set_var(Buffer buffer, String name, Object value, Error *err)
 /// @param[out] err   Error details, if any
 /// @return Old value
 Object buffer_del_var(Buffer buffer, String name, Error *err)
+  FUNC_API_DEPRECATED_SINCE(1)
 {
   buf_T *buf = find_buffer_by_handle(buffer, err);
 
@@ -340,6 +348,7 @@ Object buffer_del_var(Buffer buffer, String name, Error *err)
 ///         @warning It may return nil if there was no previous value
 ///                  or if previous value was `v:null`.
 Object window_set_var(Window window, String name, Object value, Error *err)
+  FUNC_API_DEPRECATED_SINCE(1)
 {
   win_T *win = find_window_by_handle(window, err);
 
@@ -359,6 +368,7 @@ Object window_set_var(Window window, String name, Object value, Error *err)
 /// @param[out] err Error details, if any
 /// @return Old value
 Object window_del_var(Window window, String name, Error *err)
+  FUNC_API_DEPRECATED_SINCE(1)
 {
   win_T *win = find_window_by_handle(window, err);
 
@@ -382,6 +392,7 @@ Object window_del_var(Window window, String name, Error *err)
 ///         @warning It may return nil if there was no previous value
 ///                  or if previous value was `v:null`.
 Object tabpage_set_var(Tabpage tabpage, String name, Object value, Error *err)
+  FUNC_API_DEPRECATED_SINCE(1)
 {
   tabpage_T *tab = find_tab_by_handle(tabpage, err);
 
@@ -401,6 +412,7 @@ Object tabpage_set_var(Tabpage tabpage, String name, Object value, Error *err)
 /// @param[out] err Error details, if any
 /// @return Old value
 Object tabpage_del_var(Tabpage tabpage, String name, Error *err)
+  FUNC_API_DEPRECATED_SINCE(1)
 {
   tabpage_T *tab = find_tab_by_handle(tabpage, err);
 
@@ -417,6 +429,7 @@ Object tabpage_del_var(Tabpage tabpage, String name, Error *err)
 ///          OR if previous value was `v:null`.
 /// @return Old value or nil if there was no previous value.
 Object vim_set_var(String name, Object value, Error *err)
+  FUNC_API_DEPRECATED_SINCE(1)
 {
   return dict_set_var(&globvardict, name, value, false, true, err);
 }
@@ -424,6 +437,7 @@ Object vim_set_var(String name, Object value, Error *err)
 /// @deprecated
 /// @see nvim_del_var
 Object vim_del_var(String name, Error *err)
+  FUNC_API_DEPRECATED_SINCE(1)
 {
   return dict_set_var(&globvardict, name, NIL, true, true, err);
 }