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-rw-r--r--src/nvim/lua/converter.c54
-rw-r--r--src/nvim/lua/executor.c254
-rw-r--r--src/nvim/lua/executor.h2
-rw-r--r--src/nvim/lua/vim.lua39
4 files changed, 291 insertions, 58 deletions
diff --git a/src/nvim/lua/converter.c b/src/nvim/lua/converter.c
index 9665655e74..44fe60e9c8 100644
--- a/src/nvim/lua/converter.c
+++ b/src/nvim/lua/converter.c
@@ -377,6 +377,19 @@ bool nlua_pop_typval(lua_State *lstate, typval_T *ret_tv)
nlua_pop_typval_table_processing_end:
break;
}
+ case LUA_TUSERDATA: {
+ nlua_pushref(lstate, nlua_nil_ref);
+ bool is_nil = lua_rawequal(lstate, -2, -1);
+ lua_pop(lstate, 1);
+ if (is_nil) {
+ cur.tv->v_type = VAR_SPECIAL;
+ cur.tv->vval.v_special = kSpecialVarNull;
+ } else {
+ EMSG(_("E5101: Cannot convert given lua type"));
+ ret = false;
+ }
+ break;
+ }
default: {
EMSG(_("E5101: Cannot convert given lua type"));
ret = false;
@@ -401,10 +414,18 @@ nlua_pop_typval_table_processing_end:
return ret;
}
+static bool typval_conv_special = false;
+
#define TYPVAL_ENCODE_ALLOW_SPECIALS true
#define TYPVAL_ENCODE_CONV_NIL(tv) \
- lua_pushnil(lstate)
+ do { \
+ if (typval_conv_special) { \
+ lua_pushnil(lstate); \
+ } else { \
+ nlua_pushref(lstate, nlua_nil_ref); \
+ } \
+ } while (0)
#define TYPVAL_ENCODE_CONV_BOOL(tv, num) \
lua_pushboolean(lstate, (bool)(num))
@@ -439,7 +460,13 @@ nlua_pop_typval_table_processing_end:
lua_createtable(lstate, 0, 0)
#define TYPVAL_ENCODE_CONV_EMPTY_DICT(tv, dict) \
- nlua_create_typed_table(lstate, 0, 0, kObjectTypeDictionary)
+ do { \
+ if (typval_conv_special) { \
+ nlua_create_typed_table(lstate, 0, 0, kObjectTypeDictionary); \
+ } else { \
+ lua_createtable(lstate, 0, 0); \
+ } \
+ } while (0)
#define TYPVAL_ENCODE_CONV_LIST_START(tv, len) \
do { \
@@ -548,9 +575,11 @@ nlua_pop_typval_table_processing_end:
/// @param[in] tv typval_T to convert.
///
/// @return true in case of success, false otherwise.
-bool nlua_push_typval(lua_State *lstate, typval_T *const tv)
+bool nlua_push_typval(lua_State *lstate, typval_T *const tv, bool special)
{
+ typval_conv_special = special;
const int initial_size = lua_gettop(lstate);
+
if (!lua_checkstack(lstate, initial_size + 2)) {
emsgf(_("E1502: Lua failed to grow stack to %i"), initial_size + 4);
return false;
@@ -708,7 +737,11 @@ void nlua_push_Object(lua_State *lstate, const Object obj, bool special)
{
switch (obj.type) {
case kObjectTypeNil: {
- lua_pushnil(lstate);
+ if (special) {
+ lua_pushnil(lstate);
+ } else {
+ nlua_pushref(lstate, nlua_nil_ref);
+ }
break;
}
case kObjectTypeLuaRef: {
@@ -1142,6 +1175,19 @@ Object nlua_pop_Object(lua_State *const lstate, bool ref, Error *const err)
break;
}
+ case LUA_TUSERDATA: {
+ nlua_pushref(lstate, nlua_nil_ref);
+ bool is_nil = lua_rawequal(lstate, -2, -1);
+ lua_pop(lstate, 1);
+ if (is_nil) {
+ *cur.obj = NIL;
+ } else {
+ api_set_error(err, kErrorTypeValidation,
+ "Cannot convert userdata");
+ }
+ break;
+ }
+
default: {
type_error:
api_set_error(err, kErrorTypeValidation,
diff --git a/src/nvim/lua/executor.c b/src/nvim/lua/executor.c
index 127458fe39..093c130c5f 100644
--- a/src/nvim/lua/executor.c
+++ b/src/nvim/lua/executor.c
@@ -12,6 +12,7 @@
#include "nvim/api/private/defs.h"
#include "nvim/api/private/helpers.h"
#include "nvim/api/vim.h"
+#include "nvim/msgpack_rpc/channel.h"
#include "nvim/vim.h"
#include "nvim/ex_getln.h"
#include "nvim/ex_cmds2.h"
@@ -47,9 +48,6 @@ typedef struct {
# include "lua/executor.c.generated.h"
#endif
-/// Name of the run code for use in messages
-#define NLUA_EVAL_NAME "<VimL compiled string>"
-
/// Convert lua error into a Vim error message
///
/// @param lstate Lua interpreter state.
@@ -295,6 +293,17 @@ static int nlua_state_init(lua_State *const lstate) FUNC_ATTR_NONNULL_ALL
// in_fast_event
lua_pushcfunction(lstate, &nlua_in_fast_event);
lua_setfield(lstate, -2, "in_fast_event");
+ // call
+ lua_pushcfunction(lstate, &nlua_call);
+ lua_setfield(lstate, -2, "call");
+
+ // rpcrequest
+ lua_pushcfunction(lstate, &nlua_rpcrequest);
+ lua_setfield(lstate, -2, "rpcrequest");
+
+ // rpcnotify
+ lua_pushcfunction(lstate, &nlua_rpcnotify);
+ lua_setfield(lstate, -2, "rpcnotify");
// vim.loop
luv_set_loop(lstate, &main_loop.uv);
@@ -311,6 +320,15 @@ static int nlua_state_init(lua_State *const lstate) FUNC_ATTR_NONNULL_ALL
lua_setfield(lstate, -2, "luv");
lua_pop(lstate, 3);
+ // vim.NIL
+ lua_newuserdata(lstate, 0);
+ lua_createtable(lstate, 0, 0);
+ lua_pushcfunction(lstate, &nlua_nil_tostring);
+ lua_setfield(lstate, -2, "__tostring");
+ lua_setmetatable(lstate, -2);
+ nlua_nil_ref = nlua_ref(lstate, -1);
+ lua_setfield(lstate, -2, "NIL");
+
// internal vim._treesitter... API
nlua_add_treesitter(lstate);
@@ -376,29 +394,6 @@ static lua_State *nlua_enter(void)
return lstate;
}
-/// Execute lua string
-///
-/// @param[in] str String to execute.
-/// @param[out] ret_tv Location where result will be saved.
-///
-/// @return Result of the execution.
-void executor_exec_lua(const String str, typval_T *const ret_tv)
- FUNC_ATTR_NONNULL_ALL
-{
- lua_State *const lstate = nlua_enter();
-
- if (luaL_loadbuffer(lstate, str.data, str.size, NLUA_EVAL_NAME)) {
- nlua_error(lstate, _("E5104: Error while creating lua chunk: %.*s"));
- return;
- }
- if (lua_pcall(lstate, 0, 1, 0)) {
- nlua_error(lstate, _("E5105: Error while calling lua chunk: %.*s"));
- return;
- }
-
- nlua_pop_typval(lstate, ret_tv);
-}
-
static void nlua_print_event(void **argv)
{
char *str = argv[0];
@@ -539,6 +534,125 @@ int nlua_in_fast_event(lua_State *lstate)
return 1;
}
+int nlua_call(lua_State *lstate)
+{
+ Error err = ERROR_INIT;
+ size_t name_len;
+ const char_u *name = (const char_u *)luaL_checklstring(lstate, 1, &name_len);
+ if (!nlua_is_deferred_safe(lstate)) {
+ return luaL_error(lstate, e_luv_api_disabled, "vimL function");
+ }
+
+ int nargs = lua_gettop(lstate)-1;
+ if (nargs > MAX_FUNC_ARGS) {
+ return luaL_error(lstate, "Function called with too many arguments");
+ }
+
+ typval_T vim_args[MAX_FUNC_ARGS + 1];
+ int i = 0; // also used for freeing the variables
+ for (; i < nargs; i++) {
+ lua_pushvalue(lstate, (int)i+2);
+ if (!nlua_pop_typval(lstate, &vim_args[i])) {
+ api_set_error(&err, kErrorTypeException,
+ "error converting argument %d", i+1);
+ goto free_vim_args;
+ }
+ }
+
+ TRY_WRAP({
+ // TODO(bfredl): this should be simplified in error handling refactor
+ force_abort = false;
+ suppress_errthrow = false;
+ current_exception = NULL;
+ did_emsg = false;
+
+ try_start();
+ typval_T rettv;
+ int dummy;
+ // call_func() retval is deceptive, ignore it. Instead we set `msg_list`
+ // (TRY_WRAP) to capture abort-causing non-exception errors.
+ (void)call_func(name, (int)name_len, &rettv, nargs,
+ vim_args, NULL, curwin->w_cursor.lnum, curwin->w_cursor.lnum,
+ &dummy, true, NULL, NULL);
+ if (!try_end(&err)) {
+ nlua_push_typval(lstate, &rettv, false);
+ }
+ tv_clear(&rettv);
+ });
+
+free_vim_args:
+ while (i > 0) {
+ tv_clear(&vim_args[--i]);
+ }
+ if (ERROR_SET(&err)) {
+ lua_pushstring(lstate, err.msg);
+ api_clear_error(&err);
+ return lua_error(lstate);
+ }
+ return 1;
+}
+
+static int nlua_rpcrequest(lua_State *lstate)
+{
+ if (!nlua_is_deferred_safe(lstate)) {
+ return luaL_error(lstate, e_luv_api_disabled, "rpcrequest");
+ }
+ return nlua_rpc(lstate, true);
+}
+
+static int nlua_rpcnotify(lua_State *lstate)
+{
+ return nlua_rpc(lstate, false);
+}
+
+static int nlua_rpc(lua_State *lstate, bool request)
+{
+ size_t name_len;
+ uint64_t chan_id = (uint64_t)luaL_checkinteger(lstate, 1);
+ const char *name = luaL_checklstring(lstate, 2, &name_len);
+ int nargs = lua_gettop(lstate)-2;
+ Error err = ERROR_INIT;
+ Array args = ARRAY_DICT_INIT;
+
+ for (int i = 0; i < nargs; i++) {
+ lua_pushvalue(lstate, (int)i+3);
+ ADD(args, nlua_pop_Object(lstate, false, &err));
+ if (ERROR_SET(&err)) {
+ api_free_array(args);
+ goto check_err;
+ }
+ }
+
+ if (request) {
+ Object result = rpc_send_call(chan_id, name, args, &err);
+ if (!ERROR_SET(&err)) {
+ nlua_push_Object(lstate, result, false);
+ api_free_object(result);
+ }
+ } else {
+ if (!rpc_send_event(chan_id, name, args)) {
+ api_set_error(&err, kErrorTypeValidation,
+ "Invalid channel: %"PRIu64, chan_id);
+ }
+ }
+
+check_err:
+ if (ERROR_SET(&err)) {
+ lua_pushstring(lstate, err.msg);
+ api_clear_error(&err);
+ return lua_error(lstate);
+ }
+
+ return request ? 1 : 0;
+}
+
+static int nlua_nil_tostring(lua_State *lstate)
+{
+ lua_pushstring(lstate, "vim.NIL");
+ return 1;
+}
+
+
#ifdef WIN32
/// os.getenv: override os.getenv to maintain coherency. #9681
///
@@ -592,10 +706,6 @@ void executor_eval_lua(const String str, typval_T *const arg,
typval_T *const ret_tv)
FUNC_ATTR_NONNULL_ALL
{
- lua_State *const lstate = nlua_enter();
-
- garray_T str_ga;
- ga_init(&str_ga, 1, 80);
#define EVALHEADER "local _A=select(1,...) return ("
const size_t lcmd_len = sizeof(EVALHEADER) - 1 + str.size + 1;
char *lcmd;
@@ -608,30 +718,71 @@ void executor_eval_lua(const String str, typval_T *const arg,
memcpy(lcmd + sizeof(EVALHEADER) - 1, str.data, str.size);
lcmd[lcmd_len - 1] = ')';
#undef EVALHEADER
- if (luaL_loadbuffer(lstate, lcmd, lcmd_len, NLUA_EVAL_NAME)) {
- nlua_error(lstate,
- _("E5107: Error while creating lua chunk for luaeval(): %.*s"));
- if (lcmd != (char *)IObuff) {
- xfree(lcmd);
- }
- return;
- }
+ typval_exec_lua(lcmd, lcmd_len, "luaeval()", arg, 1, true, ret_tv);
+
if (lcmd != (char *)IObuff) {
xfree(lcmd);
}
+}
- if (arg->v_type == VAR_UNKNOWN) {
- lua_pushnil(lstate);
+void executor_call_lua(const char *str, size_t len, typval_T *const args,
+ int argcount, typval_T *ret_tv)
+ FUNC_ATTR_NONNULL_ALL
+{
+#define CALLHEADER "return "
+#define CALLSUFFIX "(...)"
+ const size_t lcmd_len = sizeof(CALLHEADER) - 1 + len + sizeof(CALLSUFFIX) - 1;
+ char *lcmd;
+ if (lcmd_len < IOSIZE) {
+ lcmd = (char *)IObuff;
} else {
- nlua_push_typval(lstate, arg);
+ lcmd = xmalloc(lcmd_len);
+ }
+ memcpy(lcmd, CALLHEADER, sizeof(CALLHEADER) - 1);
+ memcpy(lcmd + sizeof(CALLHEADER) - 1, str, len);
+ memcpy(lcmd + sizeof(CALLHEADER) - 1 + len, CALLSUFFIX,
+ sizeof(CALLSUFFIX) - 1);
+#undef CALLHEADER
+#undef CALLSUFFIX
+
+ typval_exec_lua(lcmd, lcmd_len, "v:lua", args, argcount, false, ret_tv);
+
+ if (lcmd != (char *)IObuff) {
+ xfree(lcmd);
+ }
+}
+
+static void typval_exec_lua(const char *lcmd, size_t lcmd_len, const char *name,
+ typval_T *const args, int argcount, bool special,
+ typval_T *ret_tv)
+{
+ if (check_restricted() || check_secure()) {
+ ret_tv->v_type = VAR_NUMBER;
+ ret_tv->vval.v_number = 0;
+ return;
+ }
+
+ lua_State *const lstate = nlua_enter();
+ if (luaL_loadbuffer(lstate, lcmd, lcmd_len, name)) {
+ nlua_error(lstate, _("E5107: Error loading lua %.*s"));
+ return;
}
- if (lua_pcall(lstate, 1, 1, 0)) {
- nlua_error(lstate,
- _("E5108: Error while calling lua chunk for luaeval(): %.*s"));
+
+ for (int i = 0; i < argcount; i++) {
+ if (args[i].v_type == VAR_UNKNOWN) {
+ lua_pushnil(lstate);
+ } else {
+ nlua_push_typval(lstate, &args[i], special);
+ }
+ }
+ if (lua_pcall(lstate, argcount, ret_tv ? 1 : 0, 0)) {
+ nlua_error(lstate, _("E5108: Error executing lua %.*s"));
return;
}
- nlua_pop_typval(lstate, ret_tv);
+ if (ret_tv) {
+ nlua_pop_typval(lstate, ret_tv);
+ }
}
/// Execute lua string
@@ -717,9 +868,8 @@ void ex_lua(exarg_T *const eap)
xfree(code);
return;
}
- typval_T tv = { .v_type = VAR_UNKNOWN };
- executor_exec_lua((String) { .data = code, .size = len }, &tv);
- tv_clear(&tv);
+ typval_exec_lua(code, len, ":lua", NULL, 0, false, NULL);
+
xfree(code);
}
@@ -757,8 +907,8 @@ void ex_luado(exarg_T *const eap)
#undef DOSTART
#undef DOEND
- if (luaL_loadbuffer(lstate, lcmd, lcmd_len, NLUA_EVAL_NAME)) {
- nlua_error(lstate, _("E5109: Error while creating lua chunk: %.*s"));
+ if (luaL_loadbuffer(lstate, lcmd, lcmd_len, ":luado")) {
+ nlua_error(lstate, _("E5109: Error loading lua: %.*s"));
if (lcmd_len >= IOSIZE) {
xfree(lcmd);
}
@@ -768,7 +918,7 @@ void ex_luado(exarg_T *const eap)
xfree(lcmd);
}
if (lua_pcall(lstate, 0, 1, 0)) {
- nlua_error(lstate, _("E5110: Error while creating lua function: %.*s"));
+ nlua_error(lstate, _("E5110: Error executing lua: %.*s"));
return;
}
for (linenr_T l = eap->line1; l <= eap->line2; l++) {
@@ -779,7 +929,7 @@ void ex_luado(exarg_T *const eap)
lua_pushstring(lstate, (const char *)ml_get_buf(curbuf, l, false));
lua_pushnumber(lstate, (lua_Number)l);
if (lua_pcall(lstate, 2, 1, 0)) {
- nlua_error(lstate, _("E5111: Error while calling lua function: %.*s"));
+ nlua_error(lstate, _("E5111: Error calling lua: %.*s"));
break;
}
if (lua_isstring(lstate, -1)) {
diff --git a/src/nvim/lua/executor.h b/src/nvim/lua/executor.h
index 8d356a5600..32f66b629c 100644
--- a/src/nvim/lua/executor.h
+++ b/src/nvim/lua/executor.h
@@ -12,6 +12,8 @@
// Generated by msgpack-gen.lua
void nlua_add_api_functions(lua_State *lstate) REAL_FATTR_NONNULL_ALL;
+EXTERN LuaRef nlua_nil_ref INIT(= LUA_NOREF);
+
#define set_api_error(s, err) \
do { \
Error *err_ = (err); \
diff --git a/src/nvim/lua/vim.lua b/src/nvim/lua/vim.lua
index b67762e48e..1665a55aff 100644
--- a/src/nvim/lua/vim.lua
+++ b/src/nvim/lua/vim.lua
@@ -165,6 +165,19 @@ end
--- Paste handler, invoked by |nvim_paste()| when a conforming UI
--- (such as the |TUI|) pastes text into the editor.
---
+--- Example: To remove ANSI color codes when pasting:
+--- <pre>
+--- vim.paste = (function(overridden)
+--- return function(lines, phase)
+--- for i,line in ipairs(lines) do
+--- -- Scrub ANSI color codes from paste input.
+--- lines[i] = line:gsub('\27%[[0-9;mK]+', '')
+--- end
+--- overridden(lines, phase)
+--- end
+--- end)(vim.paste)
+--- </pre>
+---
--@see |paste|
---
--@param lines |readfile()|-style list of lines to paste. |channel-lines|
@@ -192,8 +205,11 @@ paste = (function()
local line1 = lines[1]:gsub('<', '<lt>'):gsub('[\r\n\012\027]', ' ') -- Scrub.
vim.api.nvim_input(line1)
vim.api.nvim_set_option('paste', false)
- elseif mode ~= 'c' then -- Else: discard remaining cmdline-mode chunks.
- if phase < 2 and mode ~= 'i' and mode ~= 'R' and mode ~= 't' then
+ elseif mode ~= 'c' then
+ if phase < 2 and mode:find('^[vV\22sS\19]') then
+ vim.api.nvim_command([[exe "normal! \<Del>"]])
+ vim.api.nvim_put(lines, 'c', false, true)
+ elseif phase < 2 and not mode:find('^[iRt]') then
vim.api.nvim_put(lines, 'c', true, true)
-- XXX: Normal-mode: workaround bad cursor-placement after first chunk.
vim.api.nvim_command('normal! a')
@@ -239,8 +255,26 @@ local function __index(t, key)
-- Expose all `vim.shared` functions on the `vim` module.
t[key] = require('vim.shared')[key]
return t[key]
+ elseif require('vim.uri')[key] ~= nil then
+ -- Expose all `vim.uri` functions on the `vim` module.
+ t[key] = require('vim.uri')[key]
+ return t[key]
+ elseif key == 'lsp' then
+ t.lsp = require('vim.lsp')
+ return t.lsp
+ end
+end
+
+
+-- vim.fn.{func}(...)
+local function _fn_index(t, key)
+ local function _fn(...)
+ return vim.call(key, ...)
end
+ t[key] = _fn
+ return _fn
end
+local fn = setmetatable({}, {__index=_fn_index})
local module = {
_update_package_paths = _update_package_paths,
@@ -249,6 +283,7 @@ local module = {
_system = _system,
paste = paste,
schedule_wrap = schedule_wrap,
+ fn=fn,
}
setmetatable(module, {