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-rw-r--r--src/nvim/lua/executor.c23
-rw-r--r--src/nvim/lua/treesitter.c18
-rw-r--r--src/nvim/lua/vim.lua57
-rw-r--r--src/nvim/lua/xdiff.c334
-rw-r--r--src/nvim/lua/xdiff.h12
5 files changed, 397 insertions, 47 deletions
diff --git a/src/nvim/lua/executor.c b/src/nvim/lua/executor.c
index 5799c3ee98..cbc2273bc9 100644
--- a/src/nvim/lua/executor.c
+++ b/src/nvim/lua/executor.c
@@ -13,7 +13,6 @@
#include "nvim/func_attr.h"
#include "nvim/api/private/defs.h"
#include "nvim/api/private/helpers.h"
-#include "nvim/api/private/handle.h"
#include "nvim/api/vim.h"
#include "nvim/msgpack_rpc/channel.h"
#include "nvim/vim.h"
@@ -40,6 +39,7 @@
#include "nvim/lua/converter.h"
#include "nvim/lua/executor.h"
#include "nvim/lua/treesitter.h"
+#include "nvim/lua/xdiff.h"
#include "luv/luv.h"
@@ -68,7 +68,8 @@ typedef struct {
}
#if __has_feature(address_sanitizer)
- PMap(handle_T) *nlua_ref_markers = NULL;
+ static PMap(handle_T) nlua_ref_markers = MAP_INIT;
+ static bool nlua_track_refs = false;
# define NLUA_TRACK_REFS
#endif
@@ -517,6 +518,10 @@ static int nlua_state_init(lua_State *const lstate) FUNC_ATTR_NONNULL_ALL
// internal vim._treesitter... API
nlua_add_treesitter(lstate);
+ // vim.diff
+ lua_pushcfunction(lstate, &nlua_xdl_diff);
+ lua_setfield(lstate, -2, "diff");
+
lua_setglobal(lstate, "vim");
{
@@ -564,7 +569,7 @@ void nlua_init(void)
#ifdef NLUA_TRACK_REFS
const char *env = os_getenv("NVIM_LUA_NOTRACK");
if (!env || !*env) {
- nlua_ref_markers = pmap_new(handle_T)();
+ nlua_track_refs = true;
}
#endif
@@ -595,10 +600,10 @@ void nlua_free_all_mem(void)
fprintf(stderr, "%d lua references were leaked!", nlua_refcount);
}
- if (nlua_ref_markers) {
+ if (nlua_track_refs) {
// in case there are leaked luarefs, leak the associated memory
// to get LeakSanitizer stacktraces on exit
- pmap_free(handle_T)(nlua_ref_markers);
+ pmap_destroy(handle_T)(&nlua_ref_markers);
}
#endif
@@ -997,9 +1002,9 @@ LuaRef nlua_ref(lua_State *lstate, int index)
if (ref > 0) {
nlua_refcount++;
#ifdef NLUA_TRACK_REFS
- if (nlua_ref_markers) {
+ if (nlua_track_refs) {
// dummy allocation to make LeakSanitizer track our luarefs
- pmap_put(handle_T)(nlua_ref_markers, ref, xmalloc(3));
+ pmap_put(handle_T)(&nlua_ref_markers, ref, xmalloc(3));
}
#endif
}
@@ -1013,8 +1018,8 @@ void nlua_unref(lua_State *lstate, LuaRef ref)
nlua_refcount--;
#ifdef NLUA_TRACK_REFS
// NB: don't remove entry from map to track double-unref
- if (nlua_ref_markers) {
- xfree(pmap_get(handle_T)(nlua_ref_markers, ref));
+ if (nlua_track_refs) {
+ xfree(pmap_get(handle_T)(&nlua_ref_markers, ref));
}
#endif
luaL_unref(lstate, LUA_REGISTRYINDEX, ref);
diff --git a/src/nvim/lua/treesitter.c b/src/nvim/lua/treesitter.c
index 2dfcd9a958..ed475c324f 100644
--- a/src/nvim/lua/treesitter.c
+++ b/src/nvim/lua/treesitter.c
@@ -18,7 +18,7 @@
#include "tree_sitter/api.h"
#include "nvim/lua/treesitter.h"
-#include "nvim/api/private/handle.h"
+#include "nvim/api/private/helpers.h"
#include "nvim/memline.h"
#include "nvim/buffer.h"
@@ -105,7 +105,7 @@ static struct luaL_Reg treecursor_meta[] = {
{ NULL, NULL }
};
-static PMap(cstr_t) *langs;
+static PMap(cstr_t) langs = MAP_INIT;
static void build_meta(lua_State *L, const char *tname, const luaL_Reg *meta)
{
@@ -123,8 +123,6 @@ static void build_meta(lua_State *L, const char *tname, const luaL_Reg *meta)
/// all global state is stored in the regirstry of the lua_State
void tslua_init(lua_State *L)
{
- langs = pmap_new(cstr_t)();
-
// type metatables
build_meta(L, TS_META_PARSER, parser_meta);
build_meta(L, TS_META_TREE, tree_meta);
@@ -137,7 +135,7 @@ void tslua_init(lua_State *L)
int tslua_has_language(lua_State *L)
{
const char *lang_name = luaL_checkstring(L, 1);
- lua_pushboolean(L, pmap_has(cstr_t)(langs, lang_name));
+ lua_pushboolean(L, pmap_has(cstr_t)(&langs, lang_name));
return 1;
}
@@ -146,7 +144,7 @@ int tslua_add_language(lua_State *L)
const char *path = luaL_checkstring(L, 1);
const char *lang_name = luaL_checkstring(L, 2);
- if (pmap_has(cstr_t)(langs, lang_name)) {
+ if (pmap_has(cstr_t)(&langs, lang_name)) {
return 0;
}
@@ -189,7 +187,7 @@ int tslua_add_language(lua_State *L)
TREE_SITTER_LANGUAGE_VERSION, lang_version);
}
- pmap_put(cstr_t)(langs, xstrdup(lang_name), lang);
+ pmap_put(cstr_t)(&langs, xstrdup(lang_name), lang);
lua_pushboolean(L, true);
return 1;
@@ -199,7 +197,7 @@ int tslua_inspect_lang(lua_State *L)
{
const char *lang_name = luaL_checkstring(L, 1);
- TSLanguage *lang = pmap_get(cstr_t)(langs, lang_name);
+ TSLanguage *lang = pmap_get(cstr_t)(&langs, lang_name);
if (!lang) {
return luaL_error(L, "no such language: %s", lang_name);
}
@@ -247,7 +245,7 @@ int tslua_push_parser(lua_State *L)
// Gather language name
const char *lang_name = luaL_checkstring(L, 1);
- TSLanguage *lang = pmap_get(cstr_t)(langs, lang_name);
+ TSLanguage *lang = pmap_get(cstr_t)(&langs, lang_name);
if (!lang) {
return luaL_error(L, "no such language: %s", lang_name);
}
@@ -1175,7 +1173,7 @@ int tslua_parse_query(lua_State *L)
}
const char *lang_name = lua_tostring(L, 1);
- TSLanguage *lang = pmap_get(cstr_t)(langs, lang_name);
+ TSLanguage *lang = pmap_get(cstr_t)(&langs, lang_name);
if (!lang) {
return luaL_error(L, "no such language: %s", lang_name);
}
diff --git a/src/nvim/lua/vim.lua b/src/nvim/lua/vim.lua
index 8cecaa51dd..ed435439a4 100644
--- a/src/nvim/lua/vim.lua
+++ b/src/nvim/lua/vim.lua
@@ -178,8 +178,8 @@ end
--- Return a human-readable representation of the given object.
---
---@see https://github.com/kikito/inspect.lua
---@see https://github.com/mpeterv/vinspect
+---@see https://github.com/kikito/inspect.lua
+---@see https://github.com/mpeterv/vinspect
local function inspect(object, options) -- luacheck: no unused
error(object, options) -- Stub for gen_vimdoc.py
end
@@ -203,15 +203,15 @@ do
--- end)(vim.paste)
--- </pre>
---
- --@see |paste|
+ ---@see |paste|
---
- --@param lines |readfile()|-style list of lines to paste. |channel-lines|
- --@param phase -1: "non-streaming" paste: the call contains all lines.
+ ---@param lines |readfile()|-style list of lines to paste. |channel-lines|
+ ---@param phase -1: "non-streaming" paste: the call contains all lines.
--- If paste is "streamed", `phase` indicates the stream state:
--- - 1: starts the paste (exactly once)
--- - 2: continues the paste (zero or more times)
--- - 3: ends the paste (exactly once)
- --@returns false if client should cancel the paste.
+ ---@returns false if client should cancel the paste.
function vim.paste(lines, phase)
local call = vim.api.nvim_call_function
local now = vim.loop.now()
@@ -279,7 +279,7 @@ function vim.schedule_wrap(cb)
end
--- <Docs described in |vim.empty_dict()| >
---@private
+---@private
function vim.empty_dict()
return setmetatable({}, vim._empty_dict_mt)
end
@@ -338,12 +338,12 @@ end
--- Get a table of lines with start, end columns for a region marked by two points
---
---@param bufnr number of buffer
---@param pos1 (line, column) tuple marking beginning of region
---@param pos2 (line, column) tuple marking end of region
---@param regtype type of selection (:help setreg)
---@param inclusive boolean indicating whether the selection is end-inclusive
---@return region lua table of the form {linenr = {startcol,endcol}}
+---@param bufnr number of buffer
+---@param pos1 (line, column) tuple marking beginning of region
+---@param pos2 (line, column) tuple marking end of region
+---@param regtype type of selection (:help setreg)
+---@param inclusive boolean indicating whether the selection is end-inclusive
+---@return region lua table of the form {linenr = {startcol,endcol}}
function vim.region(bufnr, pos1, pos2, regtype, inclusive)
if not vim.api.nvim_buf_is_loaded(bufnr) then
vim.fn.bufload(bufnr)
@@ -390,9 +390,9 @@ end
--- Use to do a one-shot timer that calls `fn`
--- Note: The {fn} is |schedule_wrap|ped automatically, so API functions are
--- safe to call.
---@param fn Callback to call once `timeout` expires
---@param timeout Number of milliseconds to wait before calling `fn`
---@return timer luv timer object
+---@param fn Callback to call once `timeout` expires
+---@param timeout Number of milliseconds to wait before calling `fn`
+---@return timer luv timer object
function vim.defer_fn(fn, timeout)
vim.validate { fn = { fn, 'c', true}; }
local timer = vim.loop.new_timer()
@@ -408,11 +408,12 @@ end
--- Notification provider
---- without a runtime, writes to :Messages
--- see :help nvim_notify
---@param msg Content of the notification to show to the user
---@param log_level Optional log level
---@param opts Dictionary with optional options (timeout, etc)
+---
+--- Without a runtime, writes to :Messages
+---@see :help nvim_notify
+---@param msg Content of the notification to show to the user
+---@param log_level Optional log level
+---@param opts Dictionary with optional options (timeout, etc)
function vim.notify(msg, log_level, _opts)
if log_level == vim.log.levels.ERROR then
@@ -429,21 +430,21 @@ local on_keystroke_callbacks = {}
--- Register a lua {fn} with an {id} to be run after every keystroke.
---
---@param fn function: Function to call. It should take one argument, which is a string.
+---@param fn function: Function to call. It should take one argument, which is a string.
--- The string will contain the literal keys typed.
--- See |i_CTRL-V|
---
--- If {fn} is nil, it removes the callback for the associated {ns_id}
---@param ns_id number? Namespace ID. If not passed or 0, will generate and return a new
+---@param ns_id number? Namespace ID. If not passed or 0, will generate and return a new
--- namespace ID from |nvim_create_namesapce()|
---
---@return number Namespace ID associated with {fn}
+---@return number Namespace ID associated with {fn}
---
---@note {fn} will be automatically removed if an error occurs while calling.
+---@note {fn} will be automatically removed if an error occurs while calling.
--- This is to prevent the annoying situation of every keystroke erroring
--- while trying to remove a broken callback.
---@note {fn} will not be cleared from |nvim_buf_clear_namespace()|
---@note {fn} will receive the keystrokes after mappings have been evaluated
+---@note {fn} will not be cleared from |nvim_buf_clear_namespace()|
+---@note {fn} will receive the keystrokes after mappings have been evaluated
function vim.register_keystroke_callback(fn, ns_id)
vim.validate {
fn = { fn, 'c', true},
@@ -459,7 +460,7 @@ function vim.register_keystroke_callback(fn, ns_id)
end
--- Function that executes the keystroke callbacks.
---@private
+---@private
function vim._log_keystroke(char)
local failed_ns_ids = {}
local failed_messages = {}
diff --git a/src/nvim/lua/xdiff.c b/src/nvim/lua/xdiff.c
new file mode 100644
index 0000000000..d50f874a82
--- /dev/null
+++ b/src/nvim/lua/xdiff.c
@@ -0,0 +1,334 @@
+#include <lua.h>
+#include <lualib.h>
+#include <lauxlib.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+
+#include "nvim/vim.h"
+#include "nvim/xdiff/xdiff.h"
+#include "nvim/lua/xdiff.h"
+#include "nvim/lua/converter.h"
+#include "nvim/lua/executor.h"
+#include "nvim/api/private/helpers.h"
+
+typedef enum {
+ kNluaXdiffModeUnified = 0,
+ kNluaXdiffModeOnHunkCB,
+ kNluaXdiffModeLocations,
+} NluaXdiffMode;
+
+typedef struct {
+ lua_State *lstate;
+ Error *err;
+} hunkpriv_t;
+
+#ifdef INCLUDE_GENERATED_DECLARATIONS
+# include "lua/xdiff.c.generated.h"
+#endif
+
+static int write_string(void *priv, mmbuffer_t *mb, int nbuf)
+{
+ luaL_Buffer *buf = (luaL_Buffer *)priv;
+ for (int i = 0; i < nbuf; i++) {
+ const long size = mb[i].size;
+ for (long total = 0; total < size; total += LUAL_BUFFERSIZE) {
+ const int tocopy = MIN((int)(size - total), LUAL_BUFFERSIZE);
+ char *p = luaL_prepbuffer(buf);
+ if (!p) {
+ return -1;
+ }
+ memcpy(p, mb[i].ptr + total, (unsigned)tocopy);
+ luaL_addsize(buf, (unsigned)tocopy);
+ }
+ }
+ return 0;
+}
+
+// hunk_func callback used when opts.hunk_lines = true
+static int hunk_locations_cb(long start_a, long count_a,
+ long start_b, long count_b, void *cb_data)
+{
+ // Mimic extra offsets done by xdiff, see:
+ // src/nvim/xdiff/xemit.c:284
+ // src/nvim/xdiff/xutils.c:(356,368)
+ if (count_a > 0) {
+ start_a += 1;
+ }
+ if (count_b > 0) {
+ start_b += 1;
+ }
+
+ lua_State * lstate = (lua_State *)cb_data;
+ lua_createtable(lstate, 0, 0);
+
+ lua_pushinteger(lstate, start_a);
+ lua_rawseti(lstate, -2, 1);
+ lua_pushinteger(lstate, count_a);
+ lua_rawseti(lstate, -2, 2);
+ lua_pushinteger(lstate, start_b);
+ lua_rawseti(lstate, -2, 3);
+ lua_pushinteger(lstate, count_b);
+ lua_rawseti(lstate, -2, 4);
+
+ lua_rawseti(lstate, -2, (signed)lua_objlen(lstate, -2)+1);
+
+ return 0;
+}
+
+// hunk_func callback used when opts.on_hunk is given
+static int call_on_hunk_cb(long start_a, long count_a,
+ long start_b, long count_b, void *cb_data)
+{
+ // Mimic extra offsets done by xdiff, see:
+ // src/nvim/xdiff/xemit.c:284
+ // src/nvim/xdiff/xutils.c:(356,368)
+ if (count_a > 0) {
+ start_a += 1;
+ }
+ if (count_b > 0) {
+ start_b += 1;
+ }
+
+ hunkpriv_t *priv = (hunkpriv_t *)cb_data;
+ lua_State * lstate = priv->lstate;
+ Error *err = priv->err;
+ const int fidx = lua_gettop(lstate);
+ lua_pushvalue(lstate, fidx);
+ lua_pushinteger(lstate, start_a);
+ lua_pushinteger(lstate, count_a);
+ lua_pushinteger(lstate, start_b);
+ lua_pushinteger(lstate, count_b);
+
+ if (lua_pcall(lstate, 4, 1, 0) != 0) {
+ api_set_error(err, kErrorTypeException,
+ "error running function on_hunk: %s",
+ lua_tostring(lstate, -1));
+ return -1;
+ }
+
+ int r = 0;
+ if (lua_isnumber(lstate, -1)) {
+ r = (int)lua_tonumber(lstate, -1);
+ }
+
+ lua_pop(lstate, 1);
+ lua_settop(lstate, fidx);
+ return r;
+}
+
+static mmfile_t get_string_arg(lua_State *lstate, int idx)
+{
+ if (lua_type(lstate, idx) != LUA_TSTRING) {
+ luaL_argerror(lstate, idx, "expected string");
+ }
+ mmfile_t mf;
+ mf.ptr = (char *)lua_tolstring(lstate, idx, (size_t *)&mf.size);
+ return mf;
+}
+
+// Helper function for validating option types
+static bool check_xdiff_opt(ObjectType actType, ObjectType expType,
+ const char *name, Error *err)
+{
+ if (actType != expType) {
+ const char * type_str =
+ expType == kObjectTypeString ? "string" :
+ expType == kObjectTypeInteger ? "integer" :
+ expType == kObjectTypeBoolean ? "boolean" :
+ expType == kObjectTypeLuaRef ? "function" :
+ "NA";
+
+ api_set_error(err, kErrorTypeValidation, "%s is not a %s", name,
+ type_str);
+ return true;
+ }
+
+ return false;
+}
+
+static NluaXdiffMode process_xdl_diff_opts(lua_State *lstate,
+ xdemitconf_t *cfg,
+ xpparam_t *params, Error *err)
+{
+ const DictionaryOf(LuaRef) opts = nlua_pop_Dictionary(lstate, true, err);
+
+ NluaXdiffMode mode = kNluaXdiffModeUnified;
+
+ bool had_on_hunk = false;
+ bool had_result_type_indices = false;
+ for (size_t i = 0; i < opts.size; i++) {
+ String k = opts.items[i].key;
+ Object *v = &opts.items[i].value;
+ if (strequal("on_hunk", k.data)) {
+ if (check_xdiff_opt(v->type, kObjectTypeLuaRef, "on_hunk", err)) {
+ goto exit_1;
+ }
+ had_on_hunk = true;
+ nlua_pushref(lstate, v->data.luaref);
+ } else if (strequal("result_type", k.data)) {
+ if (check_xdiff_opt(v->type, kObjectTypeString, "result_type", err)) {
+ goto exit_1;
+ }
+ if (strequal("unified", v->data.string.data)) {
+ } else if (strequal("indices", v->data.string.data)) {
+ had_result_type_indices = true;
+ } else {
+ api_set_error(err, kErrorTypeValidation, "not a valid result_type");
+ goto exit_1;
+ }
+ } else if (strequal("algorithm", k.data)) {
+ if (check_xdiff_opt(v->type, kObjectTypeString, "algorithm", err)) {
+ goto exit_1;
+ }
+ if (strequal("myers", v->data.string.data)) {
+ // default
+ } else if (strequal("minimal", v->data.string.data)) {
+ cfg->flags |= XDF_NEED_MINIMAL;
+ } else if (strequal("patience", v->data.string.data)) {
+ cfg->flags |= XDF_PATIENCE_DIFF;
+ } else if (strequal("histogram", v->data.string.data)) {
+ cfg->flags |= XDF_HISTOGRAM_DIFF;
+ } else {
+ api_set_error(err, kErrorTypeValidation, "not a valid algorithm");
+ goto exit_1;
+ }
+ } else if (strequal("ctxlen", k.data)) {
+ if (check_xdiff_opt(v->type, kObjectTypeInteger, "ctxlen", err)) {
+ goto exit_1;
+ }
+ cfg->ctxlen = v->data.integer;
+ } else if (strequal("interhunkctxlen", k.data)) {
+ if (check_xdiff_opt(v->type, kObjectTypeInteger, "interhunkctxlen",
+ err)) {
+ goto exit_1;
+ }
+ cfg->interhunkctxlen = v->data.integer;
+ } else {
+ struct {
+ const char *name;
+ unsigned long value;
+ } flags[] = {
+ { "ignore_whitespace" , XDF_IGNORE_WHITESPACE },
+ { "ignore_whitespace_change" , XDF_IGNORE_WHITESPACE_CHANGE },
+ { "ignore_whitespace_change_at_eol", XDF_IGNORE_WHITESPACE_AT_EOL },
+ { "ignore_cr_at_eol" , XDF_IGNORE_CR_AT_EOL },
+ { "ignore_blank_lines" , XDF_IGNORE_BLANK_LINES },
+ { "indent_heuristic" , XDF_INDENT_HEURISTIC },
+ { NULL , 0 },
+ };
+ bool key_used = false;
+ for (size_t j = 0; flags[j].name; j++) {
+ if (strequal(flags[j].name, k.data)) {
+ if (check_xdiff_opt(v->type, kObjectTypeBoolean, flags[j].name,
+ err)) {
+ goto exit_1;
+ }
+ if (v->data.boolean) {
+ params->flags |= flags[j].value;
+ }
+ key_used = true;
+ break;
+ }
+ }
+
+ if (key_used) {
+ continue;
+ }
+
+ api_set_error(err, kErrorTypeValidation, "unexpected key: %s", k.data);
+ goto exit_1;
+ }
+ }
+
+ if (had_on_hunk) {
+ mode = kNluaXdiffModeOnHunkCB;
+ cfg->hunk_func = call_on_hunk_cb;
+ } else if (had_result_type_indices) {
+ mode = kNluaXdiffModeLocations;
+ cfg->hunk_func = hunk_locations_cb;
+ }
+
+exit_1:
+ api_free_dictionary(opts);
+ return mode;
+}
+
+int nlua_xdl_diff(lua_State *lstate)
+{
+ if (lua_gettop(lstate) < 2) {
+ return luaL_error(lstate, "Expected at least 2 arguments");
+ }
+ mmfile_t ma = get_string_arg(lstate, 1);
+ mmfile_t mb = get_string_arg(lstate, 2);
+
+ Error err = ERROR_INIT;
+
+ xdemitconf_t cfg;
+ xpparam_t params;
+ xdemitcb_t ecb;
+
+ memset(&cfg , 0, sizeof(cfg));
+ memset(&params, 0, sizeof(params));
+ memset(&ecb , 0, sizeof(ecb));
+
+ NluaXdiffMode mode = kNluaXdiffModeUnified;
+
+ if (lua_gettop(lstate) == 3) {
+ if (lua_type(lstate, 3) != LUA_TTABLE) {
+ return luaL_argerror(lstate, 3, "expected table");
+ }
+
+ mode = process_xdl_diff_opts(lstate, &cfg, &params, &err);
+
+ if (ERROR_SET(&err)) {
+ goto exit_0;
+ }
+ }
+
+ luaL_Buffer buf;
+ hunkpriv_t *priv = NULL;
+ switch (mode) {
+ case kNluaXdiffModeUnified:
+ luaL_buffinit(lstate, &buf);
+ ecb.priv = &buf;
+ ecb.outf = write_string;
+ break;
+ case kNluaXdiffModeOnHunkCB:
+ priv = xmalloc(sizeof(*priv));
+ priv->lstate = lstate;
+ priv->err = &err;
+ ecb.priv = priv;
+ break;
+ case kNluaXdiffModeLocations:
+ lua_createtable(lstate, 0, 0);
+ ecb.priv = lstate;
+ break;
+ }
+
+ if (xdl_diff(&ma, &mb, &params, &cfg, &ecb) == -1) {
+ if (!ERROR_SET(&err)) {
+ api_set_error(&err, kErrorTypeException,
+ "Error while performing diff operation");
+ }
+ }
+
+ XFREE_CLEAR(priv);
+
+exit_0:
+ if (ERROR_SET(&err)) {
+ luaL_where(lstate, 1);
+ lua_pushstring(lstate, err.msg);
+ api_clear_error(&err);
+ lua_concat(lstate, 2);
+ return lua_error(lstate);
+ } else if (mode == kNluaXdiffModeUnified) {
+ luaL_pushresult(&buf);
+ return 1;
+ } else if (mode == kNluaXdiffModeLocations) {
+ return 1;
+ }
+ return 0;
+}
diff --git a/src/nvim/lua/xdiff.h b/src/nvim/lua/xdiff.h
new file mode 100644
index 0000000000..cae7c98e81
--- /dev/null
+++ b/src/nvim/lua/xdiff.h
@@ -0,0 +1,12 @@
+#ifndef NVIM_LUA_XDIFF_H
+#define NVIM_LUA_XDIFF_H
+
+#include <lua.h>
+#include <lualib.h>
+#include <lauxlib.h>
+
+#ifdef INCLUDE_GENERATED_DECLARATIONS
+# include "lua/xdiff.h.generated.h"
+#endif
+
+#endif // NVIM_LUA_XDIFF_H