diff options
Diffstat (limited to 'src/compat52.h')
| -rw-r--r-- | src/compat52.h | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/src/compat52.h b/src/compat52.h deleted file mode 100644 index 9b0a48e..0000000 --- a/src/compat52.h +++ /dev/null @@ -1,178 +0,0 @@ -/* ========================================================================== - * compat52.h - Routines for Lua 5.2 compatibility - * -------------------------------------------------------------------------- - * Copyright (c) 2012 William Ahern - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to permit - * persons to whom the Software is furnished to do so, subject to the - * following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN - * NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR - * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE - * USE OR OTHER DEALINGS IN THE SOFTWARE. - * ========================================================================== - */ - - -#if LUA_VERSION_NUM < 503 - -#define lua_getfield(L, i, f) (lua_getfield(L, (i), (f)), lua_type(L, -1)) - -static int lua_isinteger(lua_State *L, int index) { - if (lua_type(L, index) == LUA_TNUMBER) { - lua_Number n = lua_tonumber(L, index); - lua_Integer i = lua_tointeger(L, index); - if (i == n) - return 1; - } - return 0; -} - -#endif - -#if LUA_VERSION_NUM < 502 - -#define LUA_OK 0 - - -static void luaL_setmetatable(lua_State *L, const char *tname) { - luaL_getmetatable(L, tname); - lua_setmetatable(L, -2); -} /* luaL_setmetatable() */ - - -static int lua_absindex(lua_State *L, int idx) { - return (idx > 0 || idx <= LUA_REGISTRYINDEX)? idx : lua_gettop(L) + idx + 1; -} /* lua_absindex() */ - - -static void *luaL_testudata(lua_State *L, int arg, const char *tname) { - void *p = lua_touserdata(L, arg); - int eq; - - if (!p || !lua_getmetatable(L, arg)) - return 0; - - luaL_getmetatable(L, tname); - eq = lua_rawequal(L, -2, -1); - lua_pop(L, 2); - - return (eq)? p : 0; -} /* luaL_testudate() */ - - -static void luaL_setfuncs(lua_State *L, const luaL_Reg *l, int nup) { - int i, t = lua_absindex(L, -1 - nup); - - for (; l->name; l++) { - for (i = 0; i < nup; i++) - lua_pushvalue(L, -nup); - lua_pushcclosure(L, l->func, nup); - lua_setfield(L, t, l->name); - } - - lua_pop(L, nup); -} /* luaL_setfuncs() */ - - -#define luaL_newlibtable(L, l) \ - lua_createtable(L, 0, (sizeof (l) / sizeof *(l)) - 1) - -#define luaL_newlib(L, l) \ - (luaL_newlibtable((L), (l)), luaL_setfuncs((L), (l), 0)) - - -static void luaL_requiref(lua_State *L, const char *modname, lua_CFunction openf, int glb) { - lua_pushcfunction(L, openf); - lua_pushstring(L, modname); - lua_call(L, 1, 1); - - lua_getglobal(L, "package"); - lua_getfield(L, -1, "loaded"); - lua_pushvalue(L, -3); - lua_setfield(L, -2, modname); - - lua_pop(L, 2); - - if (glb) { - lua_pushvalue(L, -1); - lua_setglobal(L, modname); - } -} /* luaL_requiref() */ - - -#define lua_resume(L, from, nargs) lua_resume((L), (nargs)) - - -static void lua_rawgetp(lua_State *L, int index, const void *p) { - index = lua_absindex(L, index); - lua_pushlightuserdata(L, (void *)p); - lua_rawget(L, index); -} /* lua_rawgetp() */ - -static void lua_rawsetp(lua_State *L, int index, const void *p) { - index = lua_absindex(L, index); - lua_pushlightuserdata(L, (void *)p); - lua_pushvalue(L, -2); - lua_rawset(L, index); - lua_pop(L, 1); -} /* lua_rawsetp() */ - - -#ifndef LUA_UNSIGNED -#define LUA_UNSIGNED unsigned -#endif - -typedef LUA_UNSIGNED lua_Unsigned; - - -static void lua_pushunsigned(lua_State *L, lua_Unsigned n) { - lua_pushnumber(L, (lua_Number)n); -} /* lua_pushunsigned() */ - -static lua_Unsigned luaL_checkunsigned(lua_State *L, int arg) { - return (lua_Unsigned)luaL_checknumber(L, arg); -} /* luaL_checkunsigned() */ - - -static lua_Unsigned luaL_optunsigned(lua_State *L, int arg, lua_Unsigned def) { - return (lua_Unsigned)luaL_optnumber(L, arg, (lua_Number)def); -} /* luaL_optunsigned() */ - - -#ifndef LUA_FILEHANDLE /* Not defined by earlier LuaJIT releases */ -#define LUA_FILEHANDLE "FILE*" -#endif - -/* - * Lua 5.1 userdata is a simple FILE *, while LuaJIT is a struct with the - * first member a FILE *, similar to Lua 5.2. - */ -typedef struct luaL_Stream { - FILE *f; -} luaL_Stream; - - -#define lua_rawlen(...) lua_objlen(__VA_ARGS__) - - -#define lua_pushstring(...) lua52_pushstring(__VA_ARGS__) - -static const char *lua52_pushstring(lua_State *L, const char *s) { - (lua_pushstring)(L, s); - return lua_tostring(L, -1); -} /* lua52_pushstring() */ - - -#endif /* LUA_VERSION_NUM < 502 */ |