diff options
Diffstat (limited to 'src/nvim/lua/executor.c')
-rw-r--r-- | src/nvim/lua/executor.c | 457 |
1 files changed, 20 insertions, 437 deletions
diff --git a/src/nvim/lua/executor.c b/src/nvim/lua/executor.c index 6e095ce7fe..05c33d7918 100644 --- a/src/nvim/lua/executor.c +++ b/src/nvim/lua/executor.c @@ -5,9 +5,7 @@ #include <lua.h> #include <lualib.h> -#include "cjson/lua_cjson.h" #include "luv/luv.h" -#include "mpack/lmpack.h" #include "nvim/api/private/defs.h" #include "nvim/api/private/helpers.h" #include "nvim/api/vim.h" @@ -27,8 +25,8 @@ #include "nvim/getchar.h" #include "nvim/lua/converter.h" #include "nvim/lua/executor.h" +#include "nvim/lua/stdlib.h" #include "nvim/lua/treesitter.h" -#include "nvim/lua/xdiff.h" #include "nvim/macros.h" #include "nvim/map.h" #include "nvim/memline.h" @@ -36,7 +34,6 @@ #include "nvim/misc1.h" #include "nvim/msgpack_rpc/channel.h" #include "nvim/os/os.h" -#include "nvim/regexp.h" #include "nvim/screen.h" #include "nvim/undo.h" #include "nvim/version.h" @@ -99,135 +96,6 @@ static int nlua_nvim_version(lua_State *const lstate) FUNC_ATTR_NONNULL_ALL return 1; } -/// Compare two strings, ignoring case -/// -/// Expects two values on the stack: compared strings. Returns one of the -/// following numbers: 0, -1 or 1. -/// -/// Does no error handling: never call it with non-string or with some arguments -/// omitted. -static int nlua_stricmp(lua_State *const lstate) FUNC_ATTR_NONNULL_ALL -{ - size_t s1_len; - size_t s2_len; - const char *s1 = luaL_checklstring(lstate, 1, &s1_len); - const char *s2 = luaL_checklstring(lstate, 2, &s2_len); - char *nul1; - char *nul2; - int ret = 0; - assert(s1[s1_len] == NUL); - assert(s2[s2_len] == NUL); - do { - nul1 = memchr(s1, NUL, s1_len); - nul2 = memchr(s2, NUL, s2_len); - ret = STRICMP(s1, s2); - if (ret == 0) { - // Compare "a\0" greater then "a". - if ((nul1 == NULL) != (nul2 == NULL)) { - ret = ((nul1 != NULL) - (nul2 != NULL)); - break; - } - if (nul1 != NULL) { - assert(nul2 != NULL); - // Can't shift both strings by the same amount of bytes: lowercase - // letter may have different byte-length than uppercase. - s1_len -= (size_t)(nul1 - s1) + 1; - s2_len -= (size_t)(nul2 - s2) + 1; - s1 = nul1 + 1; - s2 = nul2 + 1; - } else { - break; - } - } else { - break; - } - } while (true); - lua_pop(lstate, 2); - lua_pushnumber(lstate, (lua_Number)((ret > 0) - (ret < 0))); - return 1; -} - -/// convert byte index to UTF-32 and UTF-16 indices -/// -/// Expects a string and an optional index. If no index is supplied, the length -/// of the string is returned. -/// -/// Returns two values: the UTF-32 and UTF-16 indices. -static int nlua_str_utfindex(lua_State *const lstate) FUNC_ATTR_NONNULL_ALL -{ - size_t s1_len; - const char *s1 = luaL_checklstring(lstate, 1, &s1_len); - intptr_t idx; - if (lua_gettop(lstate) >= 2) { - idx = luaL_checkinteger(lstate, 2); - if (idx < 0 || idx > (intptr_t)s1_len) { - return luaL_error(lstate, "index out of range"); - } - } else { - idx = (intptr_t)s1_len; - } - - size_t codepoints = 0, codeunits = 0; - mb_utflen((const char_u *)s1, (size_t)idx, &codepoints, &codeunits); - - lua_pushinteger(lstate, (long)codepoints); - lua_pushinteger(lstate, (long)codeunits); - - return 2; -} - -/// return byte indices of codepoints in a string (only supports utf-8 currently). -/// -/// Expects a string. -/// -/// Returns a list of codepoints. -static int nlua_str_utf_pos(lua_State *const lstate) FUNC_ATTR_NONNULL_ALL -{ - size_t s1_len; - const char *s1 = luaL_checklstring(lstate, 1, &s1_len); - lua_newtable(lstate); - - size_t idx = 1; - size_t clen; - for (size_t i = 0; i < s1_len && s1[i] != NUL; i += clen) { - clen = (size_t)utf_ptr2len_len((const char_u *)(s1)+i, (int)(s1_len-i)); - lua_pushinteger(lstate, (long)i + 1); - lua_rawseti(lstate, -2, (int)idx); - idx++; - } - - return 1; -} - -/// convert UTF-32 or UTF-16 indices to byte index. -/// -/// Expects up to three args: string, index and use_utf16. -/// If use_utf16 is not supplied it defaults to false (use UTF-32) -/// -/// Returns the byte index. -static int nlua_str_byteindex(lua_State *const lstate) FUNC_ATTR_NONNULL_ALL -{ - size_t s1_len; - const char *s1 = luaL_checklstring(lstate, 1, &s1_len); - intptr_t idx = luaL_checkinteger(lstate, 2); - if (idx < 0) { - return luaL_error(lstate, "index out of range"); - } - bool use_utf16 = false; - if (lua_gettop(lstate) >= 3) { - use_utf16 = lua_toboolean(lstate, 3); - } - - ssize_t byteidx = mb_utf_index_to_bytes((const char_u *)s1, s1_len, - (size_t)idx, use_utf16); - if (byteidx == -1) { - return luaL_error(lstate, "index out of range"); - } - - lua_pushinteger(lstate, (long)byteidx); - - return 1; -} static void nlua_luv_error_event(void **argv) { @@ -301,14 +169,6 @@ static int nlua_schedule(lua_State *const lstate) return 0; } -static struct luaL_Reg regex_meta[] = { - { "__gc", regex_gc }, - { "__tostring", regex_tostring }, - { "match_str", regex_match_str }, - { "match_line", regex_match_line }, - { NULL, NULL } -}; - // Dummy timer callback. Used by f_wait(). static void dummy_timer_due_cb(TimeWatcher *tw, void *data) { @@ -445,42 +305,28 @@ static int nlua_state_init(lua_State *const lstate) FUNC_ATTR_NONNULL_ALL // vim lua_newtable(lstate); + // vim.api nlua_add_api_functions(lstate); + // vim.types, vim.type_idx, vim.val_idx nlua_init_types(lstate); - // stricmp - lua_pushcfunction(lstate, &nlua_stricmp); - lua_setfield(lstate, -2, "stricmp"); - // str_utfindex - lua_pushcfunction(lstate, &nlua_str_utfindex); - lua_setfield(lstate, -2, "str_utfindex"); - // str_byteindex - lua_pushcfunction(lstate, &nlua_str_byteindex); - lua_setfield(lstate, -2, "str_byteindex"); - // str_utf_pos - lua_pushcfunction(lstate, &nlua_str_utf_pos); - lua_setfield(lstate, -2, "str_utf_pos"); + // neovim version lua_pushcfunction(lstate, &nlua_nvim_version); lua_setfield(lstate, -2, "version"); + // schedule lua_pushcfunction(lstate, &nlua_schedule); lua_setfield(lstate, -2, "schedule"); + // 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"); - // regex - lua_pushcfunction(lstate, &nlua_regex); - lua_setfield(lstate, -2, "regex"); - luaL_newmetatable(lstate, "nvim_regex"); - luaL_register(lstate, NULL, regex_meta); - lua_pushvalue(lstate, -1); // [meta, meta] - lua_setfield(lstate, -2, "__index"); // [meta] - lua_pop(lstate, 1); // don't use metatable now // rpcrequest lua_pushcfunction(lstate, &nlua_rpcrequest); @@ -494,30 +340,6 @@ static int nlua_state_init(lua_State *const lstate) FUNC_ATTR_NONNULL_ALL lua_pushcfunction(lstate, &nlua_wait); lua_setfield(lstate, -2, "wait"); - // _getvar - lua_pushcfunction(lstate, &nlua_getvar); - lua_setfield(lstate, -2, "_getvar"); - - // _setvar - lua_pushcfunction(lstate, &nlua_setvar); - lua_setfield(lstate, -2, "_setvar"); - - - // vim.loop - luv_set_loop(lstate, &main_loop.uv); - luv_set_callback(lstate, nlua_luv_cfpcall); - luaopen_luv(lstate); - lua_pushvalue(lstate, -1); - lua_setfield(lstate, -3, "loop"); - - // package.loaded.luv = vim.loop - // otherwise luv will be reinitialized when require'luv' - lua_getglobal(lstate, "package"); - lua_getfield(lstate, -1, "loaded"); - lua_pushvalue(lstate, -3); - lua_setfield(lstate, -2, "luv"); - lua_pop(lstate, 3); - // vim.NIL lua_newuserdata(lstate, 0); lua_createtable(lstate, 0, 0); @@ -538,28 +360,25 @@ static int nlua_state_init(lua_State *const lstate) FUNC_ATTR_NONNULL_ALL lua_setfield(lstate, LUA_REGISTRYINDEX, "mpack.empty_dict"); lua_setfield(lstate, -2, "_empty_dict_mt"); - // vim.mpack - luaopen_mpack(lstate); + // internal vim._treesitter... API + nlua_add_treesitter(lstate); + + // vim.loop + luv_set_loop(lstate, &main_loop.uv); + luv_set_callback(lstate, nlua_luv_cfpcall); + luaopen_luv(lstate); lua_pushvalue(lstate, -1); - lua_setfield(lstate, -3, "mpack"); + lua_setfield(lstate, -3, "loop"); - // package.loaded.mpack = vim.mpack - // otherwise luv will be reinitialized when require'mpack' + // package.loaded.luv = vim.loop + // otherwise luv will be reinitialized when require'luv' lua_getglobal(lstate, "package"); lua_getfield(lstate, -1, "loaded"); lua_pushvalue(lstate, -3); - lua_setfield(lstate, -2, "mpack"); + lua_setfield(lstate, -2, "luv"); lua_pop(lstate, 3); - // internal vim._treesitter... API - nlua_add_treesitter(lstate); - - // vim.diff - lua_pushcfunction(lstate, &nlua_xdl_diff); - lua_setfield(lstate, -2, "diff"); - - lua_cjson_new(lstate); - lua_setfield(lstate, -2, "json"); + nlua_state_add_stdlib(lstate); lua_setglobal(lstate, "vim"); @@ -769,7 +588,7 @@ nlua_print_error: /// debug.debug: interaction with user while debugging. /// /// @param lstate Lua interpreter state. -int nlua_debug(lua_State *lstate) +static int nlua_debug(lua_State *lstate) FUNC_ATTR_NONNULL_ALL { const typval_T input_args[] = { @@ -924,109 +743,6 @@ check_err: return request ? 1 : 0; } -static dict_T *nlua_get_var_scope(lua_State *lstate) { - const char *scope = luaL_checkstring(lstate, 1); - handle_T handle = (handle_T)luaL_checkinteger(lstate, 2); - dict_T *dict = NULL; - Error err = ERROR_INIT; - if (strequal(scope, "g")) { - dict = &globvardict; - } else if (strequal(scope, "v")) { - dict = &vimvardict; - } else if (strequal(scope, "b")) { - buf_T *buf = find_buffer_by_handle(handle, &err); - if (buf) { - dict = buf->b_vars; - } - } else if (strequal(scope, "w")) { - win_T *win = find_window_by_handle(handle, &err); - if (win) { - dict = win->w_vars; - } - } else if (strequal(scope, "t")) { - tabpage_T *tabpage = find_tab_by_handle(handle, &err); - if (tabpage) { - dict = tabpage->tp_vars; - } - } else { - luaL_error(lstate, "invalid scope", err.msg); - return NULL; - } - - if (ERROR_SET(&err)) { - luaL_error(lstate, "FAIL: %s", err.msg); - return NULL; - } - return dict; -} - - -static int nlua_getvar(lua_State *lstate) -{ - // non-local return if not found - dict_T *dict = nlua_get_var_scope(lstate); - size_t len; - const char *name = luaL_checklstring(lstate, 3, &len); - - dictitem_T *di = tv_dict_find(dict, name, (ptrdiff_t)len); - if (di == NULL) { - return 0; // nil - } - nlua_push_typval(lstate, &di->di_tv, false); - return 1; -} - -static int nlua_setvar(lua_State *lstate) -{ - // non-local return if not found - dict_T *dict = nlua_get_var_scope(lstate); - String key; - key.data = (char *)luaL_checklstring(lstate, 3, &key.size); - - bool del = (lua_gettop(lstate) < 4) || lua_isnil(lstate, 4); - - Error err = ERROR_INIT; - dictitem_T *di = dict_check_writable(dict, key, del, &err); - if (ERROR_SET(&err)) { - return 0; - } - - if (del) { - // Delete the key - if (di == NULL) { - // Doesn't exist, nothing to do - return 0; - } else { - // Delete the entry - tv_dict_item_remove(dict, di); - } - } else { - // Update the key - typval_T tv; - - // Convert the lua value to a vimscript type in the temporary variable - lua_pushvalue(lstate, 4); - if (!nlua_pop_typval(lstate, &tv)) { - return luaL_error(lstate, "Couldn't convert lua value"); - } - - if (di == NULL) { - // Need to create an entry - di = tv_dict_item_alloc_len(key.data, key.size); - tv_dict_add(dict, di); - } else { - // Clear the old value - tv_clear(&di->di_tv); - } - - // Update the value - tv_copy(&tv, &di->di_tv); - // Clear the temporary variable - tv_clear(&tv); - } - return 0; -} - static int nlua_nil_tostring(lua_State *lstate) { lua_pushstring(lstate, "vim.NIL"); @@ -1579,139 +1295,6 @@ cleanup: return ret; } -static int nlua_regex(lua_State *lstate) -{ - Error err = ERROR_INIT; - const char *text = luaL_checkstring(lstate, 1); - regprog_T *prog = NULL; - - TRY_WRAP({ - try_start(); - prog = vim_regcomp((char_u *)text, RE_AUTO | RE_MAGIC | RE_STRICT); - try_end(&err); - }); - - if (ERROR_SET(&err)) { - return luaL_error(lstate, "couldn't parse regex: %s", err.msg); - } - assert(prog); - - regprog_T **p = lua_newuserdata(lstate, sizeof(regprog_T *)); - *p = prog; - - lua_getfield(lstate, LUA_REGISTRYINDEX, "nvim_regex"); // [udata, meta] - lua_setmetatable(lstate, -2); // [udata] - return 1; -} - -static regprog_T **regex_check(lua_State *L) -{ - return luaL_checkudata(L, 1, "nvim_regex"); -} - - -static int regex_gc(lua_State *lstate) -{ - regprog_T **prog = regex_check(lstate); - vim_regfree(*prog); - return 0; -} - -static int regex_tostring(lua_State *lstate) -{ - lua_pushstring(lstate, "<regex>"); - return 1; -} - -static int regex_match(lua_State *lstate, regprog_T **prog, char_u *str) -{ - regmatch_T rm; - rm.regprog = *prog; - rm.rm_ic = false; - bool match = vim_regexec(&rm, str, 0); - *prog = rm.regprog; - - if (match) { - lua_pushinteger(lstate, (lua_Integer)(rm.startp[0]-str)); - lua_pushinteger(lstate, (lua_Integer)(rm.endp[0]-str)); - return 2; - } - return 0; -} - -static int regex_match_str(lua_State *lstate) -{ - regprog_T **prog = regex_check(lstate); - const char *str = luaL_checkstring(lstate, 2); - int nret = regex_match(lstate, prog, (char_u *)str); - - if (!*prog) { - return luaL_error(lstate, "regex: internal error"); - } - - return nret; -} - -static int regex_match_line(lua_State *lstate) -{ - regprog_T **prog = regex_check(lstate); - - int narg = lua_gettop(lstate); - if (narg < 3) { - return luaL_error(lstate, "not enough args"); - } - - long bufnr = luaL_checkinteger(lstate, 2); - long rownr = luaL_checkinteger(lstate, 3); - long start = 0, end = -1; - if (narg >= 4) { - start = luaL_checkinteger(lstate, 4); - } - if (narg >= 5) { - end = luaL_checkinteger(lstate, 5); - if (end < 0) { - return luaL_error(lstate, "invalid end"); - } - } - - buf_T *buf = bufnr ? handle_get_buffer((int)bufnr) : curbuf; - if (!buf || buf->b_ml.ml_mfp == NULL) { - return luaL_error(lstate, "invalid buffer"); - } - - if (rownr >= buf->b_ml.ml_line_count) { - return luaL_error(lstate, "invalid row"); - } - - char_u *line = ml_get_buf(buf, rownr+1, false); - size_t len = STRLEN(line); - - if (start < 0 || (size_t)start > len) { - return luaL_error(lstate, "invalid start"); - } - - char_u save = NUL; - if (end >= 0) { - if ((size_t)end > len || end < start) { - return luaL_error(lstate, "invalid end"); - } - save = line[end]; - line[end] = NUL; - } - - int nret = regex_match(lstate, prog, line+start); - - if (end >= 0) { - line[end] = save; - } - - if (!*prog) { - return luaL_error(lstate, "regex: internal error"); - } - - return nret; -} - // Required functions for lua c functions as VimL callbacks int nlua_CFunction_func_call(int argcount, typval_T *argvars, typval_T *rettv, void *state) |