1 files changed, 113 insertions, 0 deletions
diff --git a/src/nvim/cmdexpand_defs.h b/src/nvim/cmdexpand_defs.h
new file mode 100644
index 0000000000..97307c4e50
--- /dev/null
+++ b/src/nvim/cmdexpand_defs.h
@@ -0,0 +1,113 @@
+#pragma once
+
+#include <stdbool.h>
+#include <stddef.h>
+
+#include "nvim/eval/typval_defs.h"
+#include "nvim/types_defs.h"
+
+typedef enum {
+  XP_PREFIX_NONE,  ///< prefix not used
+  XP_PREFIX_NO,    ///< "no" prefix for bool option
+  XP_PREFIX_INV,   ///< "inv" prefix for bool option
+} xp_prefix_T;
+
+enum { EXPAND_BUF_LEN = 256, };
+
+/// used for completion on the command line
+typedef struct expand {
+  char *xp_pattern;             ///< start of item to expand, guaranteed
+                                ///< to be part of xp_line
+  int xp_context;               ///< type of expansion
+  size_t xp_pattern_len;        ///< bytes in xp_pattern before cursor
+  xp_prefix_T xp_prefix;
+  char *xp_arg;                 ///< completion function
+  LuaRef xp_luaref;             ///< Ref to Lua completion function
+  sctx_T xp_script_ctx;         ///< SCTX for completion function
+  int xp_backslash;             ///< one of the XP_BS_ values
+#ifndef BACKSLASH_IN_FILENAME
+  bool xp_shell;                ///< true for a shell command, more
+                                ///< characters need to be escaped
+#endif
+  int xp_numfiles;              ///< number of files found by file name completion
+  int xp_col;                   ///< cursor position in line
+  int xp_selected;              ///< selected index in completion
+  char *xp_orig;                ///< originally expanded string
+  char **xp_files;              ///< list of files
+  char *xp_line;                ///< text being completed
+  char xp_buf[EXPAND_BUF_LEN];  ///< buffer for returned match
+} expand_T;
+
+/// values for xp_backslash
+enum {
+  XP_BS_NONE  = 0,    ///< nothing special for backslashes
+  XP_BS_ONE   = 0x1,  ///< uses one backslash before a space
+  XP_BS_THREE = 0x2,  ///< uses three backslashes before a space
+  XP_BS_COMMA = 0x4,  ///< commas need to be escaped with a backslash
+};
+
+/// values for xp_context when doing command line completion
+enum {
+  EXPAND_UNSUCCESSFUL = -2,
+  EXPAND_OK = -1,
+  EXPAND_NOTHING = 0,
+  EXPAND_COMMANDS,
+  EXPAND_FILES,
+  EXPAND_DIRECTORIES,
+  EXPAND_SETTINGS,
+  EXPAND_BOOL_SETTINGS,
+  EXPAND_TAGS,
+  EXPAND_OLD_SETTING,
+  EXPAND_HELP,
+  EXPAND_BUFFERS,
+  EXPAND_EVENTS,
+  EXPAND_MENUS,
+  EXPAND_SYNTAX,
+  EXPAND_HIGHLIGHT,
+  EXPAND_AUGROUP,
+  EXPAND_USER_VARS,
+  EXPAND_MAPPINGS,
+  EXPAND_TAGS_LISTFILES,
+  EXPAND_FUNCTIONS,
+  EXPAND_USER_FUNC,
+  EXPAND_EXPRESSION,
+  EXPAND_MENUNAMES,
+  EXPAND_USER_COMMANDS,
+  EXPAND_USER_CMD_FLAGS,
+  EXPAND_USER_NARGS,
+  EXPAND_USER_COMPLETE,
+  EXPAND_ENV_VARS,
+  EXPAND_LANGUAGE,
+  EXPAND_COLORS,
+  EXPAND_COMPILER,
+  EXPAND_USER_DEFINED,
+  EXPAND_USER_LIST,
+  EXPAND_USER_LUA,
+  EXPAND_SHELLCMD,
+  EXPAND_SIGN,
+  EXPAND_PROFILE,
+  EXPAND_FILETYPE,
+  EXPAND_FILES_IN_PATH,
+  EXPAND_OWNSYNTAX,
+  EXPAND_LOCALES,
+  EXPAND_HISTORY,
+  EXPAND_USER,
+  EXPAND_SYNTIME,
+  EXPAND_USER_ADDR_TYPE,
+  EXPAND_PACKADD,
+  EXPAND_MESSAGES,
+  EXPAND_MAPCLEAR,
+  EXPAND_ARGLIST,
+  EXPAND_DIFF_BUFFERS,
+  EXPAND_BREAKPOINT,
+  EXPAND_SCRIPTNAMES,
+  EXPAND_RUNTIME,
+  EXPAND_STRING_SETTING,
+  EXPAND_SETTING_SUBTRACT,
+  EXPAND_ARGOPT,
+  EXPAND_CHECKHEALTH,
+  EXPAND_LUA,
+};
+
+/// Type used by ExpandGeneric()
+typedef char *(*CompleteListItemGetter)(expand_T *, int);