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https://github.com/lua/lua
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better way to open libraries
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parent
ac27b7a842
commit
9957f7d598
37
lua.c
37
lua.c
@ -1,5 +1,5 @@
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/*
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** $Id: lua.c,v 1.105 2002/09/20 13:32:56 roberto Exp roberto $
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** $Id: lua.c,v 1.106 2002/10/21 20:43:38 roberto Exp roberto $
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** Lua stand-alone interpreter
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** See Copyright Notice in lua.h
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*/
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@ -47,6 +47,11 @@ static int isatty (int x) { return x==0; } /* assume stdin is a tty */
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#endif
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#ifndef LUA_EXTRALIBS
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#define LUA_EXTRALIBS /* empty */
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#endif
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static lua_State *L = NULL;
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static const char *progname;
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@ -56,6 +61,20 @@ static lua_Hook old_hook = NULL;
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static unsigned long old_mask = 0;
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static const luaL_reg lualibs[] = {
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{"baselib", lua_baselibopen},
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{"tablib", lua_tablibopen},
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{"iolib", lua_iolibopen},
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{"strlib", lua_strlibopen},
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{"mathlib", lua_mathlibopen},
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{"dblib", lua_dblibopen},
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/* add your libraries here */
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LUA_EXTRALIBS
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{NULL, NULL}
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};
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static void lstop (lua_State *l, lua_Debug *ar) {
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(void)ar; /* unused arg. */
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lua_sethook(l, old_hook, old_mask);
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@ -341,16 +360,10 @@ static int handle_argv (char *argv[], int *interactive) {
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}
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static int openstdlibs (lua_State *l) {
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int res = 0;
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res += lua_baselibopen(l);
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res += lua_tablibopen(l);
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res += lua_iolibopen(l);
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res += lua_strlibopen(l);
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res += lua_mathlibopen(l);
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res += lua_dblibopen(l);
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/* add your libraries here */
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return res;
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static void openstdlibs (lua_State *l) {
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const luaL_reg *lib = lualibs;
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for (; lib->name; lib++)
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lua_pop(l, lib->func(l)); /* open library, discard any results */
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}
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@ -371,7 +384,7 @@ int main (int argc, char *argv[]) {
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progname = argv[0];
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L = lua_open(); /* create state */
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lua_atpanic(L, l_panic);
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lua_pop(L, lua_userinit(L)); /* open libraries, discard any results */
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lua_userinit(L); /* open libraries */
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status = handle_luainit();
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if (status != 0) return status;
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status = handle_argv(argv, &interactive);
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