diff options
Diffstat (limited to 'src/nvim/lua')
-rw-r--r-- | src/nvim/lua/converter.c | 54 | ||||
-rw-r--r-- | src/nvim/lua/executor.c | 254 | ||||
-rw-r--r-- | src/nvim/lua/executor.h | 2 | ||||
-rw-r--r-- | src/nvim/lua/vim.lua | 39 |
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, { |