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Diffstat (limited to 'libs/luajit-cmake/luajit/src/lib_package.c')
-rw-r--r--libs/luajit-cmake/luajit/src/lib_package.c628
1 files changed, 628 insertions, 0 deletions
diff --git a/libs/luajit-cmake/luajit/src/lib_package.c b/libs/luajit-cmake/luajit/src/lib_package.c
new file mode 100644
index 0000000..63a9121
--- /dev/null
+++ b/libs/luajit-cmake/luajit/src/lib_package.c
@@ -0,0 +1,628 @@
+/*
+** Package library.
+** Copyright (C) 2005-2022 Mike Pall. See Copyright Notice in luajit.h
+**
+** Major portions taken verbatim or adapted from the Lua interpreter.
+** Copyright (C) 1994-2012 Lua.org, PUC-Rio. See Copyright Notice in lua.h
+*/
+
+#define lib_package_c
+#define LUA_LIB
+
+#include "lua.h"
+#include "lauxlib.h"
+#include "lualib.h"
+
+#include "lj_obj.h"
+#include "lj_err.h"
+#include "lj_lib.h"
+
+/* ------------------------------------------------------------------------ */
+
+/* Error codes for ll_loadfunc. */
+#define PACKAGE_ERR_LIB 1
+#define PACKAGE_ERR_FUNC 2
+#define PACKAGE_ERR_LOAD 3
+
+/* Redefined in platform specific part. */
+#define PACKAGE_LIB_FAIL "open"
+#define setprogdir(L) ((void)0)
+
+/* Symbol name prefixes. */
+#define SYMPREFIX_CF "luaopen_%s"
+#define SYMPREFIX_BC "luaJIT_BC_%s"
+
+#if LJ_TARGET_DLOPEN
+
+#include <dlfcn.h>
+
+static void ll_unloadlib(void *lib)
+{
+ dlclose(lib);
+}
+
+static void *ll_load(lua_State *L, const char *path, int gl)
+{
+ void *lib = dlopen(path, RTLD_NOW | (gl ? RTLD_GLOBAL : RTLD_LOCAL));
+ if (lib == NULL) lua_pushstring(L, dlerror());
+ return lib;
+}
+
+static lua_CFunction ll_sym(lua_State *L, void *lib, const char *sym)
+{
+ lua_CFunction f = (lua_CFunction)dlsym(lib, sym);
+ if (f == NULL) lua_pushstring(L, dlerror());
+ return f;
+}
+
+static const char *ll_bcsym(void *lib, const char *sym)
+{
+#if defined(RTLD_DEFAULT) && !defined(NO_RTLD_DEFAULT)
+ if (lib == NULL) lib = RTLD_DEFAULT;
+#elif LJ_TARGET_OSX || LJ_TARGET_BSD
+ if (lib == NULL) lib = (void *)(intptr_t)-2;
+#endif
+ return (const char *)dlsym(lib, sym);
+}
+
+#elif LJ_TARGET_WINDOWS
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
+#ifndef GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS
+#define GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS 4
+#define GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT 2
+BOOL WINAPI GetModuleHandleExA(DWORD, LPCSTR, HMODULE*);
+#endif
+
+#if LJ_TARGET_UWP
+void *LJ_WIN_LOADLIBA(const char *path)
+{
+ DWORD err = GetLastError();
+ wchar_t wpath[256];
+ HANDLE lib = NULL;
+ if (MultiByteToWideChar(CP_ACP, 0, path, -1, wpath, 256) > 0) {
+ lib = LoadPackagedLibrary(wpath, 0);
+ }
+ SetLastError(err);
+ return lib;
+}
+#endif
+
+#undef setprogdir
+
+static void setprogdir(lua_State *L)
+{
+ char buff[MAX_PATH + 1];
+ char *lb;
+ DWORD nsize = sizeof(buff);
+ DWORD n = GetModuleFileNameA(NULL, buff, nsize);
+ if (n == 0 || n == nsize || (lb = strrchr(buff, '\\')) == NULL) {
+ luaL_error(L, "unable to get ModuleFileName");
+ } else {
+ *lb = '\0';
+ luaL_gsub(L, lua_tostring(L, -1), LUA_EXECDIR, buff);
+ lua_remove(L, -2); /* remove original string */
+ }
+}
+
+static void pusherror(lua_State *L)
+{
+ DWORD error = GetLastError();
+#if LJ_TARGET_XBOXONE
+ wchar_t wbuffer[128];
+ char buffer[128*2];
+ if (FormatMessageW(FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_FROM_SYSTEM,
+ NULL, error, 0, wbuffer, sizeof(wbuffer)/sizeof(wchar_t), NULL) &&
+ WideCharToMultiByte(CP_ACP, 0, wbuffer, 128, buffer, 128*2, NULL, NULL))
+#else
+ char buffer[128];
+ if (FormatMessageA(FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_FROM_SYSTEM,
+ NULL, error, 0, buffer, sizeof(buffer), NULL))
+#endif
+ lua_pushstring(L, buffer);
+ else
+ lua_pushfstring(L, "system error %d\n", error);
+}
+
+static void ll_unloadlib(void *lib)
+{
+ FreeLibrary((HINSTANCE)lib);
+}
+
+static void *ll_load(lua_State *L, const char *path, int gl)
+{
+ HINSTANCE lib = LJ_WIN_LOADLIBA(path);
+ if (lib == NULL) pusherror(L);
+ UNUSED(gl);
+ return lib;
+}
+
+static lua_CFunction ll_sym(lua_State *L, void *lib, const char *sym)
+{
+ lua_CFunction f = (lua_CFunction)GetProcAddress((HINSTANCE)lib, sym);
+ if (f == NULL) pusherror(L);
+ return f;
+}
+
+#if LJ_TARGET_UWP
+EXTERN_C IMAGE_DOS_HEADER __ImageBase;
+#endif
+
+static const char *ll_bcsym(void *lib, const char *sym)
+{
+ if (lib) {
+ return (const char *)GetProcAddress((HINSTANCE)lib, sym);
+ } else {
+#if LJ_TARGET_UWP
+ return (const char *)GetProcAddress((HINSTANCE)&__ImageBase, sym);
+#else
+ HINSTANCE h = GetModuleHandleA(NULL);
+ const char *p = (const char *)GetProcAddress(h, sym);
+ if (p == NULL && GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS|GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT,
+ (const char *)ll_bcsym, &h))
+ p = (const char *)GetProcAddress(h, sym);
+ return p;
+#endif
+ }
+}
+
+#else
+
+#undef PACKAGE_LIB_FAIL
+#define PACKAGE_LIB_FAIL "absent"
+
+#define DLMSG "dynamic libraries not enabled; no support for target OS"
+
+static void ll_unloadlib(void *lib)
+{
+ UNUSED(lib);
+}
+
+static void *ll_load(lua_State *L, const char *path, int gl)
+{
+ UNUSED(path); UNUSED(gl);
+ lua_pushliteral(L, DLMSG);
+ return NULL;
+}
+
+static lua_CFunction ll_sym(lua_State *L, void *lib, const char *sym)
+{
+ UNUSED(lib); UNUSED(sym);
+ lua_pushliteral(L, DLMSG);
+ return NULL;
+}
+
+static const char *ll_bcsym(void *lib, const char *sym)
+{
+ UNUSED(lib); UNUSED(sym);
+ return NULL;
+}
+
+#endif
+
+/* ------------------------------------------------------------------------ */
+
+static void **ll_register(lua_State *L, const char *path)
+{
+ void **plib;
+ lua_pushfstring(L, "LOADLIB: %s", path);
+ lua_gettable(L, LUA_REGISTRYINDEX); /* check library in registry? */
+ if (!lua_isnil(L, -1)) { /* is there an entry? */
+ plib = (void **)lua_touserdata(L, -1);
+ } else { /* no entry yet; create one */
+ lua_pop(L, 1);
+ plib = (void **)lua_newuserdata(L, sizeof(void *));
+ *plib = NULL;
+ luaL_setmetatable(L, "_LOADLIB");
+ lua_pushfstring(L, "LOADLIB: %s", path);
+ lua_pushvalue(L, -2);
+ lua_settable(L, LUA_REGISTRYINDEX);
+ }
+ return plib;
+}
+
+static const char *mksymname(lua_State *L, const char *modname,
+ const char *prefix)
+{
+ const char *funcname;
+ const char *mark = strchr(modname, *LUA_IGMARK);
+ if (mark) modname = mark + 1;
+ funcname = luaL_gsub(L, modname, ".", "_");
+ funcname = lua_pushfstring(L, prefix, funcname);
+ lua_remove(L, -2); /* remove 'gsub' result */
+ return funcname;
+}
+
+static int ll_loadfunc(lua_State *L, const char *path, const char *name, int r)
+{
+ void **reg;
+ if (strlen(path) >= 4096) {
+ lua_pushliteral(L, "path too long");
+ return PACKAGE_ERR_LIB;
+ }
+ reg = ll_register(L, path);
+ if (*reg == NULL) *reg = ll_load(L, path, (*name == '*'));
+ if (*reg == NULL) {
+ return PACKAGE_ERR_LIB; /* Unable to load library. */
+ } else if (*name == '*') { /* Only load library into global namespace. */
+ lua_pushboolean(L, 1);
+ return 0;
+ } else {
+ const char *sym = r ? name : mksymname(L, name, SYMPREFIX_CF);
+ lua_CFunction f = ll_sym(L, *reg, sym);
+ if (f) {
+ lua_pushcfunction(L, f);
+ return 0;
+ }
+ if (!r) {
+ const char *bcdata = ll_bcsym(*reg, mksymname(L, name, SYMPREFIX_BC));
+ lua_pop(L, 1);
+ if (bcdata) {
+ if (luaL_loadbuffer(L, bcdata, ~(size_t)0, name) != 0)
+ return PACKAGE_ERR_LOAD;
+ return 0;
+ }
+ }
+ return PACKAGE_ERR_FUNC; /* Unable to find function. */
+ }
+}
+
+static int lj_cf_package_loadlib(lua_State *L)
+{
+ const char *path = luaL_checkstring(L, 1);
+ const char *init = luaL_checkstring(L, 2);
+ int st = ll_loadfunc(L, path, init, 1);
+ if (st == 0) { /* no errors? */
+ return 1; /* return the loaded function */
+ } else { /* error; error message is on stack top */
+ lua_pushnil(L);
+ lua_insert(L, -2);
+ lua_pushstring(L, (st == PACKAGE_ERR_LIB) ? PACKAGE_LIB_FAIL : "init");
+ return 3; /* return nil, error message, and where */
+ }
+}
+
+static int lj_cf_package_unloadlib(lua_State *L)
+{
+ void **lib = (void **)luaL_checkudata(L, 1, "_LOADLIB");
+ if (*lib) ll_unloadlib(*lib);
+ *lib = NULL; /* mark library as closed */
+ return 0;
+}
+
+/* ------------------------------------------------------------------------ */
+
+static int readable(const char *filename)
+{
+ FILE *f = fopen(filename, "r"); /* try to open file */
+ if (f == NULL) return 0; /* open failed */
+ fclose(f);
+ return 1;
+}
+
+static const char *pushnexttemplate(lua_State *L, const char *path)
+{
+ const char *l;
+ while (*path == *LUA_PATHSEP) path++; /* skip separators */
+ if (*path == '\0') return NULL; /* no more templates */
+ l = strchr(path, *LUA_PATHSEP); /* find next separator */
+ if (l == NULL) l = path + strlen(path);
+ lua_pushlstring(L, path, (size_t)(l - path)); /* template */
+ return l;
+}
+
+static const char *searchpath (lua_State *L, const char *name,
+ const char *path, const char *sep,
+ const char *dirsep)
+{
+ luaL_Buffer msg; /* to build error message */
+ luaL_buffinit(L, &msg);
+ if (*sep != '\0') /* non-empty separator? */
+ name = luaL_gsub(L, name, sep, dirsep); /* replace it by 'dirsep' */
+ while ((path = pushnexttemplate(L, path)) != NULL) {
+ const char *filename = luaL_gsub(L, lua_tostring(L, -1),
+ LUA_PATH_MARK, name);
+ lua_remove(L, -2); /* remove path template */
+ if (readable(filename)) /* does file exist and is readable? */
+ return filename; /* return that file name */
+ lua_pushfstring(L, "\n\tno file " LUA_QS, filename);
+ lua_remove(L, -2); /* remove file name */
+ luaL_addvalue(&msg); /* concatenate error msg. entry */
+ }
+ luaL_pushresult(&msg); /* create error message */
+ return NULL; /* not found */
+}
+
+static int lj_cf_package_searchpath(lua_State *L)
+{
+ const char *f = searchpath(L, luaL_checkstring(L, 1),
+ luaL_checkstring(L, 2),
+ luaL_optstring(L, 3, "."),
+ luaL_optstring(L, 4, LUA_DIRSEP));
+ if (f != NULL) {
+ return 1;
+ } else { /* error message is on top of the stack */
+ lua_pushnil(L);
+ lua_insert(L, -2);
+ return 2; /* return nil + error message */
+ }
+}
+
+static const char *findfile(lua_State *L, const char *name,
+ const char *pname)
+{
+ const char *path;
+ lua_getfield(L, LUA_ENVIRONINDEX, pname);
+ path = lua_tostring(L, -1);
+ if (path == NULL)
+ luaL_error(L, LUA_QL("package.%s") " must be a string", pname);
+ return searchpath(L, name, path, ".", LUA_DIRSEP);
+}
+
+static void loaderror(lua_State *L, const char *filename)
+{
+ luaL_error(L, "error loading module " LUA_QS " from file " LUA_QS ":\n\t%s",
+ lua_tostring(L, 1), filename, lua_tostring(L, -1));
+}
+
+static int lj_cf_package_loader_lua(lua_State *L)
+{
+ const char *filename;
+ const char *name = luaL_checkstring(L, 1);
+ filename = findfile(L, name, "path");
+ if (filename == NULL) return 1; /* library not found in this path */
+ if (luaL_loadfile(L, filename) != 0)
+ loaderror(L, filename);
+ return 1; /* library loaded successfully */
+}
+
+static int lj_cf_package_loader_c(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ const char *filename = findfile(L, name, "cpath");
+ if (filename == NULL) return 1; /* library not found in this path */
+ if (ll_loadfunc(L, filename, name, 0) != 0)
+ loaderror(L, filename);
+ return 1; /* library loaded successfully */
+}
+
+static int lj_cf_package_loader_croot(lua_State *L)
+{
+ const char *filename;
+ const char *name = luaL_checkstring(L, 1);
+ const char *p = strchr(name, '.');
+ int st;
+ if (p == NULL) return 0; /* is root */
+ lua_pushlstring(L, name, (size_t)(p - name));
+ filename = findfile(L, lua_tostring(L, -1), "cpath");
+ if (filename == NULL) return 1; /* root not found */
+ if ((st = ll_loadfunc(L, filename, name, 0)) != 0) {
+ if (st != PACKAGE_ERR_FUNC) loaderror(L, filename); /* real error */
+ lua_pushfstring(L, "\n\tno module " LUA_QS " in file " LUA_QS,
+ name, filename);
+ return 1; /* function not found */
+ }
+ return 1;
+}
+
+static int lj_cf_package_loader_preload(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ lua_getfield(L, LUA_ENVIRONINDEX, "preload");
+ if (!lua_istable(L, -1))
+ luaL_error(L, LUA_QL("package.preload") " must be a table");
+ lua_getfield(L, -1, name);
+ if (lua_isnil(L, -1)) { /* Not found? */
+ const char *bcname = mksymname(L, name, SYMPREFIX_BC);
+ const char *bcdata = ll_bcsym(NULL, bcname);
+ if (bcdata == NULL || luaL_loadbuffer(L, bcdata, ~(size_t)0, name) != 0)
+ lua_pushfstring(L, "\n\tno field package.preload['%s']", name);
+ }
+ return 1;
+}
+
+/* ------------------------------------------------------------------------ */
+
+#define KEY_SENTINEL (U64x(80000000,00000000)|'s')
+
+static int lj_cf_package_require(lua_State *L)
+{
+ const char *name = luaL_checkstring(L, 1);
+ int i;
+ lua_settop(L, 1); /* _LOADED table will be at index 2 */
+ lua_getfield(L, LUA_REGISTRYINDEX, "_LOADED");
+ lua_getfield(L, 2, name);
+ if (lua_toboolean(L, -1)) { /* is it there? */
+ if ((L->top-1)->u64 == KEY_SENTINEL) /* check loops */
+ luaL_error(L, "loop or previous error loading module " LUA_QS, name);
+ return 1; /* package is already loaded */
+ }
+ /* else must load it; iterate over available loaders */
+ lua_getfield(L, LUA_ENVIRONINDEX, "loaders");
+ if (!lua_istable(L, -1))
+ luaL_error(L, LUA_QL("package.loaders") " must be a table");
+ lua_pushliteral(L, ""); /* error message accumulator */
+ for (i = 1; ; i++) {
+ lua_rawgeti(L, -2, i); /* get a loader */
+ if (lua_isnil(L, -1))
+ luaL_error(L, "module " LUA_QS " not found:%s",
+ name, lua_tostring(L, -2));
+ lua_pushstring(L, name);
+ lua_call(L, 1, 1); /* call it */
+ if (lua_isfunction(L, -1)) /* did it find module? */
+ break; /* module loaded successfully */
+ else if (lua_isstring(L, -1)) /* loader returned error message? */
+ lua_concat(L, 2); /* accumulate it */
+ else
+ lua_pop(L, 1);
+ }
+ (L->top++)->u64 = KEY_SENTINEL;
+ lua_setfield(L, 2, name); /* _LOADED[name] = sentinel */
+ lua_pushstring(L, name); /* pass name as argument to module */
+ lua_call(L, 1, 1); /* run loaded module */
+ if (!lua_isnil(L, -1)) /* non-nil return? */
+ lua_setfield(L, 2, name); /* _LOADED[name] = returned value */
+ lua_getfield(L, 2, name);
+ if ((L->top-1)->u64 == KEY_SENTINEL) { /* module did not set a value? */
+ lua_pushboolean(L, 1); /* use true as result */
+ lua_pushvalue(L, -1); /* extra copy to be returned */
+ lua_setfield(L, 2, name); /* _LOADED[name] = true */
+ }
+ lj_lib_checkfpu(L);
+ return 1;
+}
+
+/* ------------------------------------------------------------------------ */
+
+static void setfenv(lua_State *L)
+{
+ lua_Debug ar;
+ if (lua_getstack(L, 1, &ar) == 0 ||
+ lua_getinfo(L, "f", &ar) == 0 || /* get calling function */
+ lua_iscfunction(L, -1))
+ luaL_error(L, LUA_QL("module") " not called from a Lua function");
+ lua_pushvalue(L, -2);
+ lua_setfenv(L, -2);
+ lua_pop(L, 1);
+}
+
+static void dooptions(lua_State *L, int n)
+{
+ int i;
+ for (i = 2; i <= n; i++) {
+ lua_pushvalue(L, i); /* get option (a function) */
+ lua_pushvalue(L, -2); /* module */
+ lua_call(L, 1, 0);
+ }
+}
+
+static void modinit(lua_State *L, const char *modname)
+{
+ const char *dot;
+ lua_pushvalue(L, -1);
+ lua_setfield(L, -2, "_M"); /* module._M = module */
+ lua_pushstring(L, modname);
+ lua_setfield(L, -2, "_NAME");
+ dot = strrchr(modname, '.'); /* look for last dot in module name */
+ if (dot == NULL) dot = modname; else dot++;
+ /* set _PACKAGE as package name (full module name minus last part) */
+ lua_pushlstring(L, modname, (size_t)(dot - modname));
+ lua_setfield(L, -2, "_PACKAGE");
+}
+
+static int lj_cf_package_module(lua_State *L)
+{
+ const char *modname = luaL_checkstring(L, 1);
+ int lastarg = (int)(L->top - L->base);
+ luaL_pushmodule(L, modname, 1);
+ lua_getfield(L, -1, "_NAME");
+ if (!lua_isnil(L, -1)) { /* Module already initialized? */
+ lua_pop(L, 1);
+ } else {
+ lua_pop(L, 1);
+ modinit(L, modname);
+ }
+ lua_pushvalue(L, -1);
+ setfenv(L);
+ dooptions(L, lastarg);
+ return LJ_52;
+}
+
+static int lj_cf_package_seeall(lua_State *L)
+{
+ luaL_checktype(L, 1, LUA_TTABLE);
+ if (!lua_getmetatable(L, 1)) {
+ lua_createtable(L, 0, 1); /* create new metatable */
+ lua_pushvalue(L, -1);
+ lua_setmetatable(L, 1);
+ }
+ lua_pushvalue(L, LUA_GLOBALSINDEX);
+ lua_setfield(L, -2, "__index"); /* mt.__index = _G */
+ return 0;
+}
+
+/* ------------------------------------------------------------------------ */
+
+#define AUXMARK "\1"
+
+static void setpath(lua_State *L, const char *fieldname, const char *envname,
+ const char *def, int noenv)
+{
+#if LJ_TARGET_CONSOLE
+ const char *path = NULL;
+ UNUSED(envname);
+#else
+ const char *path = getenv(envname);
+#endif
+ if (path == NULL || noenv) {
+ lua_pushstring(L, def);
+ } else {
+ path = luaL_gsub(L, path, LUA_PATHSEP LUA_PATHSEP,
+ LUA_PATHSEP AUXMARK LUA_PATHSEP);
+ luaL_gsub(L, path, AUXMARK, def);
+ lua_remove(L, -2);
+ }
+ setprogdir(L);
+ lua_setfield(L, -2, fieldname);
+}
+
+static const luaL_Reg package_lib[] = {
+ { "loadlib", lj_cf_package_loadlib },
+ { "searchpath", lj_cf_package_searchpath },
+ { "seeall", lj_cf_package_seeall },
+ { NULL, NULL }
+};
+
+static const luaL_Reg package_global[] = {
+ { "module", lj_cf_package_module },
+ { "require", lj_cf_package_require },
+ { NULL, NULL }
+};
+
+static const lua_CFunction package_loaders[] =
+{
+ lj_cf_package_loader_preload,
+ lj_cf_package_loader_lua,
+ lj_cf_package_loader_c,
+ lj_cf_package_loader_croot,
+ NULL
+};
+
+LUALIB_API int luaopen_package(lua_State *L)
+{
+ int i;
+ int noenv;
+ luaL_newmetatable(L, "_LOADLIB");
+ lj_lib_pushcf(L, lj_cf_package_unloadlib, 1);
+ lua_setfield(L, -2, "__gc");
+ luaL_register(L, LUA_LOADLIBNAME, package_lib);
+ lua_copy(L, -1, LUA_ENVIRONINDEX);
+ lua_createtable(L, sizeof(package_loaders)/sizeof(package_loaders[0])-1, 0);
+ for (i = 0; package_loaders[i] != NULL; i++) {
+ lj_lib_pushcf(L, package_loaders[i], 1);
+ lua_rawseti(L, -2, i+1);
+ }
+#if LJ_52
+ lua_pushvalue(L, -1);
+ lua_setfield(L, -3, "searchers");
+#endif
+ lua_setfield(L, -2, "loaders");
+ lua_getfield(L, LUA_REGISTRYINDEX, "LUA_NOENV");
+ noenv = lua_toboolean(L, -1);
+ lua_pop(L, 1);
+ setpath(L, "path", LUA_PATH, LUA_PATH_DEFAULT, noenv);
+ setpath(L, "cpath", LUA_CPATH, LUA_CPATH_DEFAULT, noenv);
+ lua_pushliteral(L, LUA_PATH_CONFIG);
+ lua_setfield(L, -2, "config");
+ luaL_findtable(L, LUA_REGISTRYINDEX, "_LOADED", 16);
+ lua_setfield(L, -2, "loaded");
+ luaL_findtable(L, LUA_REGISTRYINDEX, "_PRELOAD", 4);
+ lua_setfield(L, -2, "preload");
+ lua_pushvalue(L, LUA_GLOBALSINDEX);
+ luaL_register(L, NULL, package_global);
+ lua_pop(L, 1);
+ return 1;
+}
+