mirror of
https://github.com/neovim/neovim.git
synced 2024-12-19 18:55:14 -07:00
feat(lua): enable stack traces in error output (#16228)
This commit is contained in:
Gregory Anders
GitHub
parent
1fdbd29dfa
commit
03b805aee6
@ -605,7 +605,7 @@ do
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function vim.validate(opt)
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local ok, err_msg = is_valid(opt)
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if not ok then
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error(debug.traceback(err_msg, 2), 2)
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error(err_msg, 2)
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end
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end
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end
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@ -85,6 +85,27 @@ static void nlua_error(lua_State *const lstate, const char *const msg)
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lua_pop(lstate, 1);
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}
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/// Like lua_pcall, but use debug.traceback as errfunc.
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///
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/// @param lstate Lua interpreter state
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/// @param[in] nargs Number of arguments expected by the function being called.
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/// @param[in] nresults Number of results the function returns.
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static int nlua_pcall(lua_State *lstate, int nargs, int nresults)
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{
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lua_getglobal(lstate, "debug");
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lua_getfield(lstate, -1, "traceback");
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lua_remove(lstate, -2);
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lua_insert(lstate, -2 - nargs);
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int status = lua_pcall(lstate, nargs, nresults, -2 - nargs);
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if (status) {
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lua_remove(lstate, -2);
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} else {
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lua_remove(lstate, -1 - nresults);
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}
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return status;
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}
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/// Gets the version of the current Nvim build.
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///
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/// @param lstate Lua interpreter state.
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@ -115,7 +136,7 @@ static int nlua_luv_cfpcall(lua_State *lstate, int nargs, int nresult, int flags
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in_fast_callback++;
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int top = lua_gettop(lstate);
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int status = lua_pcall(lstate, nargs, nresult, 0);
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int status = nlua_pcall(lstate, nargs, nresult);
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if (status) {
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if (status == LUA_ERRMEM && !(flags & LUVF_CALLBACK_NOEXIT)) {
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// consider out of memory errors unrecoverable, just like xmalloc()
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@ -146,7 +167,7 @@ static void nlua_schedule_event(void **argv)
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lua_State *const lstate = global_lstate;
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nlua_pushref(lstate, cb);
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nlua_unref(lstate, cb);
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if (lua_pcall(lstate, 0, 0, 0)) {
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if (nlua_pcall(lstate, 0, 0)) {
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nlua_error(lstate, _("Error executing vim.schedule lua callback: %.*s"));
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}
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}
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@ -183,7 +204,7 @@ static void dummy_timer_close_cb(TimeWatcher *tw, void *data)
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static bool nlua_wait_condition(lua_State *lstate, int *status, bool *callback_result)
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{
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lua_pushvalue(lstate, 2);
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*status = lua_pcall(lstate, 0, 1, 0);
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*status = nlua_pcall(lstate, 0, 1);
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if (*status) {
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return true; // break on error, but keep error on stack
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}
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@ -385,7 +406,7 @@ static int nlua_state_init(lua_State *const lstate) FUNC_ATTR_NONNULL_ALL
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{
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const char *code = (char *)&shared_module[0];
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if (luaL_loadbuffer(lstate, code, strlen(code), "@vim/shared.lua")
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|| lua_pcall(lstate, 0, 0, 0)) {
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|| nlua_pcall(lstate, 0, 0)) {
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nlua_error(lstate, _("E5106: Error while creating shared module: %.*s"));
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return 1;
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}
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@ -397,7 +418,7 @@ static int nlua_state_init(lua_State *const lstate) FUNC_ATTR_NONNULL_ALL
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const char *code = (char *)&inspect_module[0];
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if (luaL_loadbuffer(lstate, code, strlen(code), "@vim/inspect.lua")
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|| lua_pcall(lstate, 0, 1, 0)) {
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|| nlua_pcall(lstate, 0, 1)) {
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nlua_error(lstate, _("E5106: Error while creating inspect module: %.*s"));
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return 1;
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}
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@ -406,7 +427,7 @@ static int nlua_state_init(lua_State *const lstate) FUNC_ATTR_NONNULL_ALL
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code = (char *)&lua_F_module[0];
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if (luaL_loadbuffer(lstate, code, strlen(code), "@vim/F.lua")
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|| lua_pcall(lstate, 0, 1, 0)) {
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|| nlua_pcall(lstate, 0, 1)) {
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nlua_error(lstate, _("E5106: Error while creating vim.F module: %.*s"));
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return 1;
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}
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@ -419,7 +440,7 @@ static int nlua_state_init(lua_State *const lstate) FUNC_ATTR_NONNULL_ALL
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{
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const char *code = (char *)&vim_module[0];
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if (luaL_loadbuffer(lstate, code, strlen(code), "@vim.lua")
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|| lua_pcall(lstate, 0, 0, 0)) {
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|| nlua_pcall(lstate, 0, 0)) {
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nlua_error(lstate, _("E5106: Error while creating vim module: %.*s"));
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return 1;
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}
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@ -431,7 +452,7 @@ static int nlua_state_init(lua_State *const lstate) FUNC_ATTR_NONNULL_ALL
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const char *code = (char *)&lua_meta_module[0];
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if (luaL_loadbuffer(lstate, code, strlen(code), "@vim/_meta.lua")
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|| lua_pcall(lstate, 0, 1, 0)) {
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|| nlua_pcall(lstate, 0, 1)) {
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nlua_error(lstate, _("E5106: Error while creating vim._meta module: %.*s"));
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return 1;
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}
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@ -549,6 +570,7 @@ static int nlua_print(lua_State *const lstate)
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for (; curargidx <= nargs; curargidx++) {
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lua_pushvalue(lstate, -1); // tostring
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lua_pushvalue(lstate, curargidx); // arg
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// Do not use nlua_pcall here to avoid duplicate stack trace information
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if (lua_pcall(lstate, 1, 1, 0)) {
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errmsg = lua_tolstring(lstate, -1, &errmsg_len);
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goto nlua_print_error;
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@ -616,7 +638,7 @@ static int nlua_debug(lua_State *lstate)
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if (luaL_loadbuffer(lstate, (const char *)input.vval.v_string,
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STRLEN(input.vval.v_string), "=(debug command)")) {
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nlua_error(lstate, _("E5115: Error while loading debug string: %.*s"));
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} else if (lua_pcall(lstate, 0, 0, 0)) {
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} else if (nlua_pcall(lstate, 0, 0)) {
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nlua_error(lstate, _("E5116: Error while calling debug string: %.*s"));
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}
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tv_clear(&input);
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@ -909,7 +931,7 @@ static void nlua_typval_exec(const char *lcmd, size_t lcmd_len, const char *name
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PUSH_ALL_TYPVALS(lstate, args, argcount, special);
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if (lua_pcall(lstate, argcount, ret_tv ? 1 : 0, 0)) {
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if (nlua_pcall(lstate, argcount, ret_tv ? 1 : 0)) {
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nlua_error(lstate, _("E5108: Error executing lua %.*s"));
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return;
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}
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@ -964,7 +986,7 @@ int typval_exec_lua_callable(lua_State *lstate, LuaCallable lua_cb, int argcount
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PUSH_ALL_TYPVALS(lstate, argvars, argcount, false);
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if (lua_pcall(lstate, argcount, 1, 0)) {
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if (nlua_pcall(lstate, argcount, 1)) {
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nlua_print(lstate);
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return ERROR_OTHER;
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}
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@ -999,7 +1021,7 @@ Object nlua_exec(const String str, const Array args, Error *err)
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nlua_push_Object(lstate, args.items[i], false);
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}
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if (lua_pcall(lstate, (int)args.size, 1, 0)) {
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if (nlua_pcall(lstate, (int)args.size, 1)) {
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size_t len;
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const char *errstr = lua_tolstring(lstate, -1, &len);
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api_set_error(err, kErrorTypeException,
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@ -1032,7 +1054,7 @@ Object nlua_call_ref(LuaRef ref, const char *name, Array args, bool retval, Erro
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nlua_push_Object(lstate, args.items[i], false);
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}
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if (lua_pcall(lstate, nargs, retval ? 1 : 0, 0)) {
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if (nlua_pcall(lstate, nargs, retval ? 1 : 0)) {
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// if err is passed, the caller will deal with the error.
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if (err) {
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size_t len;
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@ -1126,7 +1148,7 @@ void ex_luado(exarg_T *const eap)
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if (lcmd_len >= IOSIZE) {
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xfree(lcmd);
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}
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if (lua_pcall(lstate, 0, 1, 0)) {
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if (nlua_pcall(lstate, 0, 1)) {
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nlua_error(lstate, _("E5110: Error executing lua: %.*s"));
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return;
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}
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@ -1138,7 +1160,7 @@ void ex_luado(exarg_T *const eap)
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const char *old_line = (const char *)ml_get_buf(curbuf, l, false);
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lua_pushstring(lstate, old_line);
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lua_pushnumber(lstate, (lua_Number)l);
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if (lua_pcall(lstate, 2, 1, 0)) {
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if (nlua_pcall(lstate, 2, 1)) {
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nlua_error(lstate, _("E5111: Error calling lua: %.*s"));
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break;
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}
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@ -1189,7 +1211,7 @@ bool nlua_exec_file(const char *path)
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return false;
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}
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if (lua_pcall(lstate, 0, 0, 0)) {
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if (nlua_pcall(lstate, 0, 0)) {
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nlua_error(lstate, _("E5113: Error while calling lua chunk: %.*s"));
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return false;
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}
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@ -1241,7 +1263,7 @@ int nlua_expand_pat(expand_T *xp, char_u *pat, int *num_results, char_u ***resul
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// [ vim, vim._on_key, buf ]
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lua_pushlstring(lstate, (const char *)pat, STRLEN(pat));
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if (lua_pcall(lstate, 1, 2, 0) != 0) {
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if (nlua_pcall(lstate, 1, 2) != 0) {
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nlua_error(lstate,
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_("Error executing vim._expand_pat: %.*s"));
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return FAIL;
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@ -1394,7 +1416,7 @@ void nlua_execute_on_key(int c)
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// [ vim, vim._on_key, buf ]
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lua_pushlstring(lstate, (const char *)buf, buf_len);
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if (lua_pcall(lstate, 1, 0, 0)) {
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if (nlua_pcall(lstate, 1, 0)) {
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nlua_error(lstate,
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_("Error executing vim.on_key Lua callback: %.*s"));
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}
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@ -2,6 +2,7 @@
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local helpers = require('test.functional.helpers')(after_each)
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local exc_exec = helpers.exc_exec
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local remove_trace = helpers.remove_trace
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local funcs = helpers.funcs
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local clear = helpers.clear
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local eval = helpers.eval
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@ -159,44 +160,44 @@ describe('luaeval(vim.api.…)', function()
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it('errors out correctly when working with API', function()
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-- Conversion errors
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eq('Vim(call):E5108: Error executing lua [string "luaeval()"]:1: Cannot convert given lua type',
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exc_exec([[call luaeval("vim.api.nvim__id(vim.api.nvim__id)")]]))
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remove_trace(exc_exec([[call luaeval("vim.api.nvim__id(vim.api.nvim__id)")]])))
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eq('Vim(call):E5108: Error executing lua [string "luaeval()"]:1: Cannot convert given lua table',
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exc_exec([[call luaeval("vim.api.nvim__id({1, foo=42})")]]))
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remove_trace(exc_exec([[call luaeval("vim.api.nvim__id({1, foo=42})")]])))
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eq('Vim(call):E5108: Error executing lua [string "luaeval()"]:1: Cannot convert given lua type',
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exc_exec([[call luaeval("vim.api.nvim__id({42, vim.api.nvim__id})")]]))
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remove_trace(exc_exec([[call luaeval("vim.api.nvim__id({42, vim.api.nvim__id})")]])))
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-- Errors in number of arguments
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eq('Vim(call):E5108: Error executing lua [string "luaeval()"]:1: Expected 1 argument',
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exc_exec([[call luaeval("vim.api.nvim__id()")]]))
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remove_trace(exc_exec([[call luaeval("vim.api.nvim__id()")]])))
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eq('Vim(call):E5108: Error executing lua [string "luaeval()"]:1: Expected 1 argument',
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exc_exec([[call luaeval("vim.api.nvim__id(1, 2)")]]))
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remove_trace(exc_exec([[call luaeval("vim.api.nvim__id(1, 2)")]])))
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eq('Vim(call):E5108: Error executing lua [string "luaeval()"]:1: Expected 2 arguments',
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exc_exec([[call luaeval("vim.api.nvim_set_var(1, 2, 3)")]]))
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remove_trace(exc_exec([[call luaeval("vim.api.nvim_set_var(1, 2, 3)")]])))
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-- Error in argument types
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eq('Vim(call):E5108: Error executing lua [string "luaeval()"]:1: Expected lua string',
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exc_exec([[call luaeval("vim.api.nvim_set_var(1, 2)")]]))
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remove_trace(exc_exec([[call luaeval("vim.api.nvim_set_var(1, 2)")]])))
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eq('Vim(call):E5108: Error executing lua [string "luaeval()"]:1: Expected lua number',
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exc_exec([[call luaeval("vim.api.nvim_buf_get_lines(0, 'test', 1, false)")]]))
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remove_trace(exc_exec([[call luaeval("vim.api.nvim_buf_get_lines(0, 'test', 1, false)")]])))
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eq('Vim(call):E5108: Error executing lua [string "luaeval()"]:1: Number is not integral',
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exc_exec([[call luaeval("vim.api.nvim_buf_get_lines(0, 1.5, 1, false)")]]))
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remove_trace(exc_exec([[call luaeval("vim.api.nvim_buf_get_lines(0, 1.5, 1, false)")]])))
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eq('Vim(call):E5108: Error executing lua [string "luaeval()"]:1: Expected lua table',
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exc_exec([[call luaeval("vim.api.nvim__id_float('test')")]]))
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remove_trace(exc_exec([[call luaeval("vim.api.nvim__id_float('test')")]])))
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eq('Vim(call):E5108: Error executing lua [string "luaeval()"]:1: Unexpected type',
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exc_exec([[call luaeval("vim.api.nvim__id_float({[vim.type_idx]=vim.types.dictionary})")]]))
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remove_trace(exc_exec([[call luaeval("vim.api.nvim__id_float({[vim.type_idx]=vim.types.dictionary})")]])))
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eq('Vim(call):E5108: Error executing lua [string "luaeval()"]:1: Expected lua table',
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exc_exec([[call luaeval("vim.api.nvim__id_array(1)")]]))
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remove_trace(exc_exec([[call luaeval("vim.api.nvim__id_array(1)")]])))
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eq('Vim(call):E5108: Error executing lua [string "luaeval()"]:1: Unexpected type',
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exc_exec([[call luaeval("vim.api.nvim__id_array({[vim.type_idx]=vim.types.dictionary})")]]))
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remove_trace(exc_exec([[call luaeval("vim.api.nvim__id_array({[vim.type_idx]=vim.types.dictionary})")]])))
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eq('Vim(call):E5108: Error executing lua [string "luaeval()"]:1: Expected lua table',
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exc_exec([[call luaeval("vim.api.nvim__id_dictionary(1)")]]))
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remove_trace(exc_exec([[call luaeval("vim.api.nvim__id_dictionary(1)")]])))
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eq('Vim(call):E5108: Error executing lua [string "luaeval()"]:1: Unexpected type',
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exc_exec([[call luaeval("vim.api.nvim__id_dictionary({[vim.type_idx]=vim.types.array})")]]))
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remove_trace(exc_exec([[call luaeval("vim.api.nvim__id_dictionary({[vim.type_idx]=vim.types.array})")]])))
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eq('Vim(call):E5108: Error executing lua [string "luaeval()"]:1: Expected lua table',
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exc_exec([[call luaeval("vim.api.nvim_set_keymap('', '', '', '')")]]))
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remove_trace(exc_exec([[call luaeval("vim.api.nvim_set_keymap('', '', '', '')")]])))
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-- TODO: check for errors with Tabpage argument
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-- TODO: check for errors with Window argument
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@ -17,6 +17,7 @@ local pcall_err = helpers.pcall_err
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local write_file = helpers.write_file
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local exec_capture = helpers.exec_capture
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local curbufmeths = helpers.curbufmeths
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local remove_trace = helpers.remove_trace
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before_each(clear)
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@ -46,9 +47,9 @@ describe(':lua command', function()
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eq([[Vim(lua):E5107: Error loading lua [string ":lua"]:0: unexpected symbol near ')']],
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pcall_err(command, 'lua ()'))
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eq([[Vim(lua):E5108: Error executing lua [string ":lua"]:1: TEST]],
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exc_exec('lua error("TEST")'))
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remove_trace(exc_exec('lua error("TEST")')))
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eq([[Vim(lua):E5108: Error executing lua [string ":lua"]:1: Invalid buffer id: -10]],
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exc_exec('lua vim.api.nvim_buf_set_lines(-10, 1, 1, false, {"TEST"})'))
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remove_trace(exc_exec('lua vim.api.nvim_buf_set_lines(-10, 1, 1, false, {"TEST"})')))
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eq({''}, curbufmeths.get_lines(0, 100, false))
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end)
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it('works with NULL errors', function()
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@ -95,15 +96,15 @@ describe(':lua command', function()
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feed(':lua error("fail\\nmuch error\\nsuch details")<cr>')
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screen:expect{grid=[[
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{2: }|
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{3:E5108: Error executing lua [string ":lua}|
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{3:"]:1: fail} |
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{3:much error} |
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{3:such details} |
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{3:stack traceback:} |
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{3: [C]: in function 'error'} |
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{3: [string ":lua"]:1: in main chunk}|
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{4:Press ENTER or type command to continue}^ |
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]]}
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feed('<cr>')
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@ -119,24 +120,24 @@ describe(':lua command', function()
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{1:~ }|
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]]}
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eq('E5108: Error executing lua [string ":lua"]:1: fail\nmuch error\nsuch details', eval('v:errmsg'))
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eq('E5108: Error executing lua [string ":lua"]:1: fail\nmuch error\nsuch details', remove_trace(eval('v:errmsg')))
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local status, err = pcall(command,'lua error("some error\\nin a\\nAPI command")')
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local expected = 'Vim(lua):E5108: Error executing lua [string ":lua"]:1: some error\nin a\nAPI command'
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eq(false, status)
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eq(expected, string.sub(err, -string.len(expected)))
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eq(expected, string.sub(remove_trace(err), -string.len(expected)))
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feed(':messages<cr>')
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screen:expect{grid=[[
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{1:~ }|
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{1:~ }|
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{1:~ }|
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{2: }|
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{3:E5108: Error executing lua [string ":lua}|
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{3:"]:1: fail} |
|
||||
{3:much error} |
|
||||
{3:such details} |
|
||||
{3:stack traceback:} |
|
||||
{3: [C]: in function 'error'} |
|
||||
{3: [string ":lua"]:1: in main chunk}|
|
||||
|
|
||||
{4:Press ENTER or type command to continue}^ |
|
||||
]]}
|
||||
end)
|
||||
@ -219,7 +220,7 @@ describe(':luafile', function()
|
||||
exc_exec('luafile ' .. fname))
|
||||
write_file(fname, 'vimm.api.nvim_buf_set_lines(1, 1, 2, false, {"ETTS"})')
|
||||
eq(("Vim(luafile):E5113: Error while calling lua chunk: %s:1: attempt to index global 'vimm' (a nil value)"):format(fname),
|
||||
exc_exec('luafile ' .. fname))
|
||||
remove_trace(exc_exec('luafile ' .. fname)))
|
||||
end)
|
||||
it('works with NULL errors', function()
|
||||
write_file(fname, 'error(nil)')
|
||||
|
||||
@ -84,14 +84,14 @@ describe('vim.loop', function()
|
||||
|
||||
screen:expect([[
|
||||
|
|
||||
{1:~ }|
|
||||
{1:~ }|
|
||||
{1:~ }|
|
||||
{1:~ }|
|
||||
{2: }|
|
||||
{3:Error executing luv callback:} |
|
||||
{3:[string "<nvim>"]:5: E5560: nvim_set_var must not }|
|
||||
{3:be called in a lua loop callback} |
|
||||
{3:stack traceback:} |
|
||||
{3: [C]: in function 'nvim_set_var'} |
|
||||
{3: [string "<nvim>"]:5: in function <[string }|
|
||||
{3:"<nvim>"]:2>} |
|
||||
{4:Press ENTER or type command to continue}^ |
|
||||
]])
|
||||
feed('<cr>')
|
||||
|
||||
@ -4,6 +4,7 @@ local Screen = require('test.functional.ui.screen')
|
||||
|
||||
local pcall_err = helpers.pcall_err
|
||||
local exc_exec = helpers.exc_exec
|
||||
local remove_trace = helpers.remove_trace
|
||||
local exec_lua = helpers.exec_lua
|
||||
local command = helpers.command
|
||||
local meths = helpers.meths
|
||||
@ -424,11 +425,11 @@ describe('luaeval()', function()
|
||||
it('errors out correctly when doing incorrect things in lua', function()
|
||||
-- Conversion errors
|
||||
eq('Vim(call):E5108: Error executing lua [string "luaeval()"]:1: attempt to call field \'xxx_nonexistent_key_xxx\' (a nil value)',
|
||||
exc_exec([[call luaeval("vim.xxx_nonexistent_key_xxx()")]]))
|
||||
remove_trace(exc_exec([[call luaeval("vim.xxx_nonexistent_key_xxx()")]])))
|
||||
eq('Vim(call):E5108: Error executing lua [string "luaeval()"]:1: ERROR',
|
||||
exc_exec([[call luaeval("error('ERROR')")]]))
|
||||
remove_trace(exc_exec([[call luaeval("error('ERROR')")]])))
|
||||
eq('Vim(call):E5108: Error executing lua [NULL]',
|
||||
exc_exec([[call luaeval("error(nil)")]]))
|
||||
remove_trace(exc_exec([[call luaeval("error(nil)")]])))
|
||||
end)
|
||||
|
||||
it('does not leak memory when called with too long line',
|
||||
|
||||
@ -157,9 +157,6 @@ describe('debug.debug', function()
|
||||
]])
|
||||
feed('<C-c>')
|
||||
screen:expect{grid=[[
|
||||
{0:~ }|
|
||||
{0:~ }|
|
||||
{0:~ }|
|
||||
{0:~ }|
|
||||
{0:~ }|
|
||||
{0:~ }|
|
||||
@ -170,6 +167,9 @@ describe('debug.debug', function()
|
||||
|
|
||||
{E:E5108: Error executing lua [string ":lua"]:5: attempt}|
|
||||
{E: to perform arithmetic on local 'a' (a nil value)} |
|
||||
{E:stack traceback:} |
|
||||
{E: [string ":lua"]:5: in function 'Test'} |
|
||||
{E: [string ":lua"]:1: in main chunk} |
|
||||
Interrupt: {cr:Press ENTER or type command to continue}^ |
|
||||
]]}
|
||||
feed('<C-l>:lua Test()\n')
|
||||
@ -197,13 +197,13 @@ describe('debug.debug', function()
|
||||
{0:~ }|
|
||||
{0:~ }|
|
||||
{0:~ }|
|
||||
{0:~ }|
|
||||
{0:~ }|
|
||||
{0:~ }|
|
||||
nil |
|
||||
lua_debug> |
|
||||
{E:E5108: Error executing lua [string ":lua"]:5: attempt}|
|
||||
{E: to perform arithmetic on local 'a' (a nil value)} |
|
||||
{E:stack traceback:} |
|
||||
{E: [string ":lua"]:5: in function 'Test'} |
|
||||
{E: [string ":lua"]:1: in main chunk} |
|
||||
{cr:Press ENTER or type command to continue}^ |
|
||||
]]}
|
||||
end)
|
||||
|
||||
@ -4,7 +4,6 @@ local Screen = require('test.functional.ui.screen')
|
||||
|
||||
local funcs = helpers.funcs
|
||||
local meths = helpers.meths
|
||||
local dedent = helpers.dedent
|
||||
local command = helpers.command
|
||||
local insert = helpers.insert
|
||||
local clear = helpers.clear
|
||||
@ -19,6 +18,7 @@ local source = helpers.source
|
||||
local NIL = helpers.NIL
|
||||
local retry = helpers.retry
|
||||
local next_msg = helpers.next_msg
|
||||
local remove_trace = helpers.remove_trace
|
||||
|
||||
before_each(clear)
|
||||
|
||||
@ -121,11 +121,6 @@ describe('lua stdlib', function()
|
||||
eq(1, funcs.luaeval('vim.stricmp("\\0C\\0", "\\0B\\0")'))
|
||||
end)
|
||||
|
||||
-- for brevity, match only the error header (not the traceback)
|
||||
local function pcall_header(...)
|
||||
return string.gsub(string.gsub(pcall_err(exec_lua, ...), '[\r\n].*', ''), '^Error executing lua: ', '')
|
||||
end
|
||||
|
||||
it('vim.startswith', function()
|
||||
eq(true, funcs.luaeval('vim.startswith("123", "1")'))
|
||||
eq(true, funcs.luaeval('vim.startswith("123", "")'))
|
||||
@ -136,8 +131,10 @@ describe('lua stdlib', function()
|
||||
eq(false, funcs.luaeval('vim.startswith("123", "2")'))
|
||||
eq(false, funcs.luaeval('vim.startswith("123", "1234")'))
|
||||
|
||||
eq("vim/shared.lua:0: prefix: expected string, got nil", pcall_header 'return vim.startswith("123", nil)')
|
||||
eq("vim/shared.lua:0: s: expected string, got nil", pcall_header 'return vim.startswith(nil, "123")')
|
||||
eq("Error executing lua: vim/shared.lua:0: prefix: expected string, got nil",
|
||||
pcall_err(exec_lua, 'return vim.startswith("123", nil)'))
|
||||
eq("Error executing lua: vim/shared.lua:0: s: expected string, got nil",
|
||||
pcall_err(exec_lua, 'return vim.startswith(nil, "123")'))
|
||||
end)
|
||||
|
||||
it('vim.endswith', function()
|
||||
@ -150,8 +147,10 @@ describe('lua stdlib', function()
|
||||
eq(false, funcs.luaeval('vim.endswith("123", "2")'))
|
||||
eq(false, funcs.luaeval('vim.endswith("123", "1234")'))
|
||||
|
||||
eq("vim/shared.lua:0: suffix: expected string, got nil", pcall_header 'return vim.endswith("123", nil)')
|
||||
eq("vim/shared.lua:0: s: expected string, got nil", pcall_header 'return vim.endswith(nil, "123")')
|
||||
eq("Error executing lua: vim/shared.lua:0: suffix: expected string, got nil",
|
||||
pcall_err(exec_lua, 'return vim.endswith("123", nil)'))
|
||||
eq("Error executing lua: vim/shared.lua:0: s: expected string, got nil",
|
||||
pcall_err(exec_lua, 'return vim.endswith(nil, "123")'))
|
||||
end)
|
||||
|
||||
it("vim.str_utfindex/str_byteindex", function()
|
||||
@ -233,7 +232,7 @@ describe('lua stdlib', function()
|
||||
]])
|
||||
|
||||
feed("<cr>")
|
||||
eq('Error executing vim.schedule lua callback: [string "<nvim>"]:2: big failure\nvery async', eval("v:errmsg"))
|
||||
eq('Error executing vim.schedule lua callback: [string "<nvim>"]:2: big failure\nvery async', remove_trace(eval("v:errmsg")))
|
||||
|
||||
local screen = Screen.new(60,5)
|
||||
screen:set_default_attr_ids({
|
||||
@ -259,10 +258,10 @@ describe('lua stdlib', function()
|
||||
end)
|
||||
]])
|
||||
screen:expect{grid=[[
|
||||
|
|
||||
{2: }|
|
||||
{3:Error executing vim.schedule lua callback: [string "<nvim>"]}|
|
||||
{3::2: Vim(echo):E115: Missing quote: 'err} |
|
||||
{3:stack traceback:} |
|
||||
{3: [C]: in function 'nvim_command'} |
|
||||
{3: [string "<nvim>"]:2: in function <[string "<nvim>"]:}|
|
||||
{3:1>} |
|
||||
{4:Press ENTER or type command to continue}^ |
|
||||
]]}
|
||||
end)
|
||||
@ -306,22 +305,11 @@ describe('lua stdlib', function()
|
||||
|
||||
-- Validates args.
|
||||
eq(true, pcall(split, 'string', 'string'))
|
||||
eq(dedent([[
|
||||
Error executing lua: vim/shared.lua:0: s: expected string, got number
|
||||
stack traceback:
|
||||
vim/shared.lua:0: in function 'gsplit'
|
||||
vim/shared.lua:0: in function <vim/shared.lua:0>]]),
|
||||
eq('Error executing lua: vim/shared.lua:0: s: expected string, got number',
|
||||
pcall_err(split, 1, 'string'))
|
||||
eq(dedent([[
|
||||
Error executing lua: vim/shared.lua:0: sep: expected string, got number
|
||||
stack traceback:
|
||||
vim/shared.lua:0: in function 'gsplit'
|
||||
vim/shared.lua:0: in function <vim/shared.lua:0>]]),
|
||||
eq('Error executing lua: vim/shared.lua:0: sep: expected string, got number',
|
||||
pcall_err(split, 'string', 1))
|
||||
eq(dedent([[
|
||||
Error executing lua: vim/shared.lua:0: kwargs: expected table, got number
|
||||
stack traceback:
|
||||
vim/shared.lua:0: in function <vim/shared.lua:0>]]),
|
||||
eq('Error executing lua: vim/shared.lua:0: kwargs: expected table, got number',
|
||||
pcall_err(split, 'string', 'string', 1))
|
||||
end)
|
||||
|
||||
@ -342,10 +330,7 @@ describe('lua stdlib', function()
|
||||
end
|
||||
|
||||
-- Validates args.
|
||||
eq(dedent([[
|
||||
Error executing lua: vim/shared.lua:0: s: expected string, got number
|
||||
stack traceback:
|
||||
vim/shared.lua:0: in function <vim/shared.lua:0>]]),
|
||||
eq('Error executing lua: vim/shared.lua:0: s: expected string, got number',
|
||||
pcall_err(trim, 2))
|
||||
end)
|
||||
|
||||
@ -424,10 +409,7 @@ describe('lua stdlib', function()
|
||||
eq('foo%%%-bar', exec_lua([[return vim.pesc(vim.pesc('foo-bar'))]]))
|
||||
|
||||
-- Validates args.
|
||||
eq(dedent([[
|
||||
Error executing lua: vim/shared.lua:0: s: expected string, got number
|
||||
stack traceback:
|
||||
vim/shared.lua:0: in function <vim/shared.lua:0>]]),
|
||||
eq('Error executing lua: vim/shared.lua:0: s: expected string, got number',
|
||||
pcall_err(exec_lua, [[return vim.pesc(2)]]))
|
||||
end)
|
||||
|
||||
@ -710,10 +692,7 @@ describe('lua stdlib', function()
|
||||
|
||||
it('vim.list_extend', function()
|
||||
eq({1,2,3}, exec_lua [[ return vim.list_extend({1}, {2,3}) ]])
|
||||
eq(dedent([[
|
||||
Error executing lua: vim/shared.lua:0: src: expected table, got nil
|
||||
stack traceback:
|
||||
vim/shared.lua:0: in function <vim/shared.lua:0>]]),
|
||||
eq('Error executing lua: vim/shared.lua:0: src: expected table, got nil',
|
||||
pcall_err(exec_lua, [[ return vim.list_extend({1}, nil) ]]))
|
||||
eq({1,2}, exec_lua [[ return vim.list_extend({1}, {2;a=1}) ]])
|
||||
eq(true, exec_lua [[ local a = {1} return vim.list_extend(a, {2;a=1}) == a ]])
|
||||
@ -845,12 +824,12 @@ describe('lua stdlib', function()
|
||||
end)
|
||||
]])
|
||||
screen:expect{grid=[[
|
||||
foo |
|
||||
{1:~ }|
|
||||
{2: }|
|
||||
{3:Error executing luv callback:} |
|
||||
{3:[string "<nvim>"]:6: E5560: rpcrequest must not be}|
|
||||
{3: called in a lua loop callback} |
|
||||
{3:stack traceback:} |
|
||||
{3: [C]: in function 'rpcrequest'} |
|
||||
{3: [string "<nvim>"]:6: in function <[string }|
|
||||
{3:"<nvim>"]:2>} |
|
||||
{4:Press ENTER or type command to continue}^ |
|
||||
]]}
|
||||
feed('<cr>')
|
||||
@ -914,76 +893,37 @@ describe('lua stdlib', function()
|
||||
exec_lua("vim.validate{arg1={{}, 't' }, arg2={ 'foo', 's' }}")
|
||||
exec_lua("vim.validate{arg1={2, function(a) return (a % 2) == 0 end, 'even number' }}")
|
||||
|
||||
eq(dedent([[
|
||||
Error executing lua: [string "<nvim>"]:0: opt[1]: expected table, got number
|
||||
stack traceback:
|
||||
[string "<nvim>"]:0: in main chunk]]),
|
||||
eq('Error executing lua: [string "<nvim>"]:0: opt[1]: expected table, got number',
|
||||
pcall_err(exec_lua, "vim.validate{ 1, 'x' }"))
|
||||
eq(dedent([[
|
||||
Error executing lua: [string "<nvim>"]:0: invalid type name: x
|
||||
stack traceback:
|
||||
[string "<nvim>"]:0: in main chunk]]),
|
||||
eq('Error executing lua: [string "<nvim>"]:0: invalid type name: x',
|
||||
pcall_err(exec_lua, "vim.validate{ arg1={ 1, 'x' }}"))
|
||||
eq(dedent([[
|
||||
Error executing lua: [string "<nvim>"]:0: invalid type name: 1
|
||||
stack traceback:
|
||||
[string "<nvim>"]:0: in main chunk]]),
|
||||
eq('Error executing lua: [string "<nvim>"]:0: invalid type name: 1',
|
||||
pcall_err(exec_lua, "vim.validate{ arg1={ 1, 1 }}"))
|
||||
eq(dedent([[
|
||||
Error executing lua: [string "<nvim>"]:0: invalid type name: nil
|
||||
stack traceback:
|
||||
[string "<nvim>"]:0: in main chunk]]),
|
||||
eq('Error executing lua: [string "<nvim>"]:0: invalid type name: nil',
|
||||
pcall_err(exec_lua, "vim.validate{ arg1={ 1 }}"))
|
||||
|
||||
-- Validated parameters are required by default.
|
||||
eq(dedent([[
|
||||
Error executing lua: [string "<nvim>"]:0: arg1: expected string, got nil
|
||||
stack traceback:
|
||||
[string "<nvim>"]:0: in main chunk]]),
|
||||
eq('Error executing lua: [string "<nvim>"]:0: arg1: expected string, got nil',
|
||||
pcall_err(exec_lua, "vim.validate{ arg1={ nil, 's' }}"))
|
||||
-- Explicitly required.
|
||||
eq(dedent([[
|
||||
Error executing lua: [string "<nvim>"]:0: arg1: expected string, got nil
|
||||
stack traceback:
|
||||
[string "<nvim>"]:0: in main chunk]]),
|
||||
eq('Error executing lua: [string "<nvim>"]:0: arg1: expected string, got nil',
|
||||
pcall_err(exec_lua, "vim.validate{ arg1={ nil, 's', false }}"))
|
||||
|
||||
eq(dedent([[
|
||||
Error executing lua: [string "<nvim>"]:0: arg1: expected table, got number
|
||||
stack traceback:
|
||||
[string "<nvim>"]:0: in main chunk]]),
|
||||
eq('Error executing lua: [string "<nvim>"]:0: arg1: expected table, got number',
|
||||
pcall_err(exec_lua, "vim.validate{arg1={1, 't'}}"))
|
||||
eq(dedent([[
|
||||
Error executing lua: [string "<nvim>"]:0: arg2: expected string, got number
|
||||
stack traceback:
|
||||
[string "<nvim>"]:0: in main chunk]]),
|
||||
eq('Error executing lua: [string "<nvim>"]:0: arg2: expected string, got number',
|
||||
pcall_err(exec_lua, "vim.validate{arg1={{}, 't'}, arg2={1, 's'}}"))
|
||||
eq(dedent([[
|
||||
Error executing lua: [string "<nvim>"]:0: arg2: expected string, got nil
|
||||
stack traceback:
|
||||
[string "<nvim>"]:0: in main chunk]]),
|
||||
eq('Error executing lua: [string "<nvim>"]:0: arg2: expected string, got nil',
|
||||
pcall_err(exec_lua, "vim.validate{arg1={{}, 't'}, arg2={nil, 's'}}"))
|
||||
eq(dedent([[
|
||||
Error executing lua: [string "<nvim>"]:0: arg2: expected string, got nil
|
||||
stack traceback:
|
||||
[string "<nvim>"]:0: in main chunk]]),
|
||||
eq('Error executing lua: [string "<nvim>"]:0: arg2: expected string, got nil',
|
||||
pcall_err(exec_lua, "vim.validate{arg1={{}, 't'}, arg2={nil, 's'}}"))
|
||||
eq(dedent([[
|
||||
Error executing lua: [string "<nvim>"]:0: arg1: expected even number, got 3
|
||||
stack traceback:
|
||||
[string "<nvim>"]:0: in main chunk]]),
|
||||
eq('Error executing lua: [string "<nvim>"]:0: arg1: expected even number, got 3',
|
||||
pcall_err(exec_lua, "vim.validate{arg1={3, function(a) return a == 1 end, 'even number'}}"))
|
||||
eq(dedent([[
|
||||
Error executing lua: [string "<nvim>"]:0: arg1: expected ?, got 3
|
||||
stack traceback:
|
||||
[string "<nvim>"]:0: in main chunk]]),
|
||||
eq('Error executing lua: [string "<nvim>"]:0: arg1: expected ?, got 3',
|
||||
pcall_err(exec_lua, "vim.validate{arg1={3, function(a) return a == 1 end}}"))
|
||||
|
||||
-- Pass an additional message back.
|
||||
eq(dedent([[
|
||||
Error executing lua: [string "<nvim>"]:0: arg1: expected ?, got 3. Info: TEST_MSG
|
||||
stack traceback:
|
||||
[string "<nvim>"]:0: in main chunk]]),
|
||||
eq('Error executing lua: [string "<nvim>"]:0: arg1: expected ?, got 3. Info: TEST_MSG',
|
||||
pcall_err(exec_lua, "vim.validate{arg1={3, function(a) return a == 1, 'TEST_MSG' end}}"))
|
||||
end)
|
||||
|
||||
@ -2133,9 +2073,10 @@ describe('lua stdlib', function()
|
||||
end)
|
||||
|
||||
it('should not crash when callback errors', function()
|
||||
eq({false, '[string "<nvim>"]:1: As Expected'}, exec_lua [[
|
||||
local result = exec_lua [[
|
||||
return {pcall(function() vim.wait(1000, function() error("As Expected") end) end)}
|
||||
]])
|
||||
]]
|
||||
eq({false, '[string "<nvim>"]:1: As Expected'}, {result[1], remove_trace(result[2])})
|
||||
end)
|
||||
|
||||
it('if callback is passed, it must be a function', function()
|
||||
|
||||
@ -134,7 +134,7 @@ describe('health.vim', function()
|
||||
command("checkhealth test_plug*")
|
||||
local buf_lines = helpers.curbuf('get_lines', 0, -1, true)
|
||||
-- avoid dealing with path separators
|
||||
local received = table.concat(buf_lines, '\n', 1, #buf_lines - 2)
|
||||
local received = table.concat(buf_lines, '\n', 1, #buf_lines - 5)
|
||||
local expected = helpers.dedent([[
|
||||
|
||||
test_plug: require("test_plug.health").check()
|
||||
@ -175,10 +175,10 @@ describe('health.vim', function()
|
||||
it("gracefully handles broken lua healthcheck", function()
|
||||
command("checkhealth test_plug.submodule_failed")
|
||||
local buf_lines = helpers.curbuf('get_lines', 0, -1, true)
|
||||
local received = table.concat(buf_lines, '\n', 1, #buf_lines - 2)
|
||||
local received = table.concat(buf_lines, '\n', 1, #buf_lines - 5)
|
||||
-- avoid dealing with path separators
|
||||
local lua_err = "attempt to perform arithmetic on a nil value"
|
||||
local last_line = buf_lines[#buf_lines - 1]
|
||||
local last_line = buf_lines[#buf_lines - 4]
|
||||
assert(string.find(last_line, lua_err) ~= nil, "Lua error not present")
|
||||
|
||||
local expected = global_helpers.dedent([[
|
||||
|
||||
@ -1153,15 +1153,9 @@ describe('LSP', function()
|
||||
end)
|
||||
|
||||
it('should invalid cmd argument', function()
|
||||
eq(dedent([[
|
||||
Error executing lua: .../lsp.lua:0: cmd: expected list, got nvim
|
||||
stack traceback:
|
||||
.../lsp.lua:0: in function <.../lsp.lua:0>]]),
|
||||
eq('Error executing lua: .../lsp.lua:0: cmd: expected list, got nvim',
|
||||
pcall_err(_cmd_parts, 'nvim'))
|
||||
eq(dedent([[
|
||||
Error executing lua: .../lsp.lua:0: cmd argument: expected string, got number
|
||||
stack traceback:
|
||||
.../lsp.lua:0: in function <.../lsp.lua:0>]]),
|
||||
eq('Error executing lua: .../lsp.lua:0: cmd argument: expected string, got number',
|
||||
pcall_err(_cmd_parts, {'nvim', 1}))
|
||||
end)
|
||||
end)
|
||||
|
||||
@ -494,6 +494,8 @@ describe('TUI', function()
|
||||
it('paste: recovers from vim.paste() failure', function()
|
||||
child_session:request('nvim_exec_lua', [[
|
||||
_G.save_paste_fn = vim.paste
|
||||
-- Stack traces for this test are non-deterministic, so disable them
|
||||
_G.debug.traceback = function(msg) return msg end
|
||||
vim.paste = function(lines, phase) error("fake fail") end
|
||||
]], {})
|
||||
-- Prepare something for dot-repeat/redo.
|
||||
@ -514,7 +516,7 @@ describe('TUI', function()
|
||||
foo |
|
||||
|
|
||||
{5: }|
|
||||
{8:paste: Error executing lua: [string "<nvim>"]:2: f}|
|
||||
{8:paste: Error executing lua: [string "<nvim>"]:4: f}|
|
||||
{8:ake fail} |
|
||||
{10:Press ENTER or type command to continue}{1: } |
|
||||
{3:-- TERMINAL --} |
|
||||
@ -579,12 +581,16 @@ describe('TUI', function()
|
||||
|
||||
it("paste: 'nomodifiable' buffer", function()
|
||||
child_session:request('nvim_command', 'set nomodifiable')
|
||||
child_session:request('nvim_exec_lua', [[
|
||||
-- Stack traces for this test are non-deterministic, so disable them
|
||||
_G.debug.traceback = function(msg) return msg end
|
||||
]], {})
|
||||
feed_data('\027[200~fail 1\nfail 2\n\027[201~')
|
||||
screen:expect{grid=[[
|
||||
|
|
||||
{4:~ }|
|
||||
{5: }|
|
||||
{MATCH:paste: Error executing lua: vim.lua:%d+: Vim:E21: }|
|
||||
{8:paste: Error executing lua: vim.lua:243: Vim:E21: }|
|
||||
{8:Cannot make changes, 'modifiable' is off} |
|
||||
{10:Press ENTER or type command to continue}{1: } |
|
||||
{3:-- TERMINAL --} |
|
||||
@ -671,8 +677,8 @@ describe('TUI', function()
|
||||
item 2997 |
|
||||
item 2998 |
|
||||
item 2999 |
|
||||
item 3000 en{1:d}d |
|
||||
{5:[No Name] [+] 5999,13 Bot}|
|
||||
item 3000 en{1:d} |
|
||||
{5:[No Name] [+] 3000,13 Bot}|
|
||||
|
|
||||
{3:-- TERMINAL --} |
|
||||
]])
|
||||
|
||||
@ -750,8 +750,13 @@ describe('ui/ext_messages', function()
|
||||
{1:~ }|
|
||||
{1:~ }|
|
||||
]], messages={{
|
||||
content = {{'E5108: Error executing lua [string ":lua"]:1: such\nmultiline\nerror', 2}},
|
||||
kind = "lua_error"
|
||||
content = {{[[E5108: Error executing lua [string ":lua"]:1: such
|
||||
multiline
|
||||
error
|
||||
stack traceback:
|
||||
[C]: in function 'error'
|
||||
[string ":lua"]:1: in main chunk]], 2}},
|
||||
kind = "lua_error",
|
||||
}}}
|
||||
end)
|
||||
|
||||
@ -1048,12 +1053,12 @@ vimComment xxx match /\s"[^\-:.%#=*].*$/ms=s+1,lc=1 excludenl contains=@vim
|
||||
-- edge case: just covers statusline
|
||||
feed(':set colorcolumn=5 | lua error("x\\n\\nx")<cr>')
|
||||
screen:expect{grid=[[
|
||||
|
|
||||
{1:~ }|
|
||||
{3: }|
|
||||
{2:E5108: Error executing lua [string ":lua"]:1: x} |
|
||||
|
|
||||
{2:x} |
|
||||
{2:stack traceback:} |
|
||||
{2: [C]: in function 'error'} |
|
||||
{2: [string ":lua"]:1: in main chunk} |
|
||||
{4:Press ENTER or type command to continue}^ |
|
||||
]]}
|
||||
|
||||
@ -1071,24 +1076,24 @@ vimComment xxx match /\s"[^\-:.%#=*].*$/ms=s+1,lc=1 excludenl contains=@vim
|
||||
-- edge case: just covers lowest window line
|
||||
feed(':set colorcolumn=5 | lua error("x\\n\\n\\nx")<cr>')
|
||||
screen:expect{grid=[[
|
||||
|
|
||||
{3: }|
|
||||
{2:E5108: Error executing lua [string ":lua"]:1: x} |
|
||||
|
|
||||
|
|
||||
{2:x} |
|
||||
{4:Press ENTER or type command to continue}^ |
|
||||
{2:stack traceback:} |
|
||||
{2: [C]: in function 'error'} |
|
||||
{4:-- More --}^ |
|
||||
]]}
|
||||
|
||||
feed('<cr>')
|
||||
screen:expect{grid=[[
|
||||
|
|
||||
{1:~ }|
|
||||
{8:[No Name] }|
|
||||
^ {9: } |
|
||||
{1:~ }|
|
||||
{3:[No Name] }|
|
||||
|
|
||||
{2:x} |
|
||||
{2:stack traceback:} |
|
||||
{2: [C]: in function 'error'} |
|
||||
{2: [string ":lua"]:1: in main chunk} |
|
||||
{4:Press ENTER or type command to continue}^ |
|
||||
]]}
|
||||
end)
|
||||
end)
|
||||
@ -1360,14 +1365,14 @@ aliquip ex ea commodo consequat.]])
|
||||
]]}
|
||||
feed('d')
|
||||
screen:expect{grid=[[
|
||||
{2:mpor} |
|
||||
{2:incididunt ut labore et dolore magn}|
|
||||
{2:a aliqua.} |
|
||||
{2:Ut enim ad minim veniam, quis nostr}|
|
||||
{2:ud xercitation} |
|
||||
{2:ullamco laboris nisi ut} |
|
||||
{2:aliquip ex ea commodo consequat.} |
|
||||
{4:Press ENTER or type command to cont}|
|
||||
{4:inue}^ |
|
||||
{4:-- More --}^ |
|
||||
]]}
|
||||
feed('u')
|
||||
screen:expect{grid=[[
|
||||
@ -1460,14 +1465,14 @@ aliquip ex ea commodo consequat.]])
|
||||
]]}
|
||||
feed('d')
|
||||
screen:expect{grid=[[
|
||||
{3:mpor}{5: }|
|
||||
{3:incididunt ut labore et dolore magn}|
|
||||
{3:a aliqua.}{5: }|
|
||||
{3:Ut enim ad minim veniam, quis nostr}|
|
||||
{3:ud xercitation}{5: }|
|
||||
{3:ullamco laboris nisi ut}{5: }|
|
||||
{3:aliquip ex ea commodo consequat.}{5: }|
|
||||
{6:Press ENTER or type command to cont}|
|
||||
{6:inue}{5:^ }|
|
||||
{6:-- More --}{5:^ }|
|
||||
]]}
|
||||
feed('u')
|
||||
screen:expect{grid=[[
|
||||
@ -1667,6 +1672,7 @@ aliquip ex ea commodo consequat.]])
|
||||
-- wrapped at the new screen size.
|
||||
feed('<cr>')
|
||||
screen:expect{grid=[[
|
||||
{2:":lua"]:1: Lorem ipsum dolor s}|
|
||||
{2:et, consectetur} |
|
||||
{2:adipisicing elit, sed do eiusm}|
|
||||
{2:mpore} |
|
||||
@ -1677,8 +1683,7 @@ aliquip ex ea commodo consequat.]])
|
||||
{2:ullamco laboris nisi ut} |
|
||||
{2:aliquip ex ea commodo consequa}|
|
||||
{2:t.} |
|
||||
{4:Press ENTER or type command to}|
|
||||
{4: continue}^ |
|
||||
{4:-- More --}^ |
|
||||
]]}
|
||||
|
||||
feed('q')
|
||||
|
||||
@ -155,12 +155,20 @@ function module.pcall_err_withfile(fn, ...)
|
||||
return errmsg
|
||||
end
|
||||
|
||||
function module.pcall_err(fn, ...)
|
||||
function module.pcall_err_withtrace(fn, ...)
|
||||
local errmsg = module.pcall_err_withfile(fn, ...)
|
||||
|
||||
return errmsg:gsub('.../helpers.lua:0: ', '')
|
||||
end
|
||||
|
||||
function module.pcall_err(...)
|
||||
return module.remove_trace(module.pcall_err_withtrace(...))
|
||||
end
|
||||
|
||||
function module.remove_trace(s)
|
||||
return (s:gsub("\n%s*stack traceback:.*", ""))
|
||||
end
|
||||
|
||||
-- initial_path: directory to recurse into
|
||||
-- re: include pattern (string)
|
||||
-- exc_re: exclude pattern(s) (string or table)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user