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clearing some old compatibility code

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This commit is contained in:
Roberto Ierusalimschy
2007-06-21 10:52:27 -03:00
parent 791d8d8585
commit 8d3dd04137
7 changed files with 13 additions and 149 deletions
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90
lauxlib.c
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@@ -1,5 +1,5 @@
/*
** $Id: lauxlib.c,v 1.166 2007/04/19 20:21:53 roberto Exp roberto $
** $Id: lauxlib.c,v 1.167 2007/05/15 18:46:12 roberto Exp roberto $
** Auxiliary functions for building Lua libraries
** See Copyright Notice in lua.h
*/
@@ -257,12 +257,6 @@ LUALIB_API const char *luaL_tostring (lua_State *L, int idx) {
}
LUALIB_API void luaL_register (lua_State *L, const char *libname,
const luaL_Reg *l) {
luaI_openlib(L, libname, l, 0);
}
static int libsize (const luaL_Reg *l) {
int size = 0;
for (; l->name; l++) size++;
@@ -270,8 +264,8 @@ static int libsize (const luaL_Reg *l) {
}
LUALIB_API void luaI_openlib (lua_State *L, const char *libname,
const luaL_Reg *l, int nup) {
LUALIB_API void luaL_register (lua_State *L, const char *libname,
const luaL_Reg *l) {
if (libname) {
int size = libsize(l);
/* check whether lib already exists */
@@ -286,88 +280,14 @@ LUALIB_API void luaI_openlib (lua_State *L, const char *libname,
lua_setfield(L, -3, libname); /* _LOADED[libname] = new table */
}
lua_remove(L, -2); /* remove _LOADED table */
lua_insert(L, -(nup+1)); /* move library table to below upvalues */
}
for (; l->name; l++) {
int i;
for (i=0; i<nup; i++) /* copy upvalues to the top */
lua_pushvalue(L, -nup);
lua_pushcclosure(L, l->func, nup);
lua_setfield(L, -(nup+2), l->name);
}
lua_pop(L, nup); /* remove upvalues */
}
/*
** {======================================================
** getn-setn: size for arrays
** =======================================================
*/
#if defined(LUA_COMPAT_GETN)
static int checkint (lua_State *L, int topop) {
int n = (lua_type(L, -1) == LUA_TNUMBER) ? lua_tointeger(L, -1) : -1;
lua_pop(L, topop);
return n;
}
static void getsizes (lua_State *L) {
lua_getfield(L, LUA_REGISTRYINDEX, "LUA_SIZES");
if (lua_isnil(L, -1)) { /* no `size' table? */
lua_pop(L, 1); /* remove nil */
lua_newtable(L); /* create it */
lua_pushvalue(L, -1); /* `size' will be its own metatable */
lua_setmetatable(L, -2);
lua_pushliteral(L, "kv");
lua_setfield(L, -2, "__mode"); /* metatable(N).__mode = "kv" */
lua_pushvalue(L, -1);
lua_setfield(L, LUA_REGISTRYINDEX, "LUA_SIZES"); /* store in register */
lua_pushcfunction(L, l->func);
lua_setfield(L, -2, l->name);
}
}
LUALIB_API void luaL_setn (lua_State *L, int t, int n) {
t = abs_index(L, t);
lua_pushliteral(L, "n");
lua_rawget(L, t);
if (checkint(L, 1) >= 0) { /* is there a numeric field `n'? */
lua_pushliteral(L, "n"); /* use it */
lua_pushinteger(L, n);
lua_rawset(L, t);
}
else { /* use `sizes' */
getsizes(L);
lua_pushvalue(L, t);
lua_pushinteger(L, n);
lua_rawset(L, -3); /* sizes[t] = n */
lua_pop(L, 1); /* remove `sizes' */
}
}
LUALIB_API int luaL_getn (lua_State *L, int t) {
int n;
t = abs_index(L, t);
lua_pushliteral(L, "n"); /* try t.n */
lua_rawget(L, t);
if ((n = checkint(L, 1)) >= 0) return n;
getsizes(L); /* else try sizes[t] */
lua_pushvalue(L, t);
lua_rawget(L, -2);
if ((n = checkint(L, 2)) >= 0) return n;
return (int)lua_objlen(L, t);
}
#endif
/* }====================================================== */
LUALIB_API const char *luaL_gsub (lua_State *L, const char *s, const char *p,
const char *r) {
const char *wild;