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Upgrade 5.2.1 to 5.2.2.

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Bugs fixed: http://www.lua.org/bugs.html
This commit is contained in:
batrick
2013-05-02 14:59:06 +00:00
parent 371be36f88
commit 1720606226
32 changed files with 409 additions and 317 deletions
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33
liblua/lbaselib.c
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@@ -1,5 +1,5 @@
/*
** $Id: lbaselib.c,v 1.274 2012/04/27 14:13:19 roberto Exp $
** $Id: lbaselib.c,v 1.276 2013/02/21 13:44:53 roberto Exp $
** Basic library
** See Copyright Notice in lua.h
*/
@@ -242,10 +242,16 @@ static int luaB_ipairs (lua_State *L) {
}
static int load_aux (lua_State *L, int status) {
if (status == LUA_OK)
static int load_aux (lua_State *L, int status, int envidx) {
if (status == LUA_OK) {
if (envidx != 0) { /* 'env' parameter? */
lua_pushvalue(L, envidx); /* environment for loaded function */
if (!lua_setupvalue(L, -2, 1)) /* set it as 1st upvalue */
lua_pop(L, 1); /* remove 'env' if not used by previous call */
}
return 1;
else {
}
else { /* error (message is on top of the stack) */
lua_pushnil(L);
lua_insert(L, -2); /* put before error message */
return 2; /* return nil plus error message */
@@ -256,13 +262,9 @@ static int load_aux (lua_State *L, int status) {
static int luaB_loadfile (lua_State *L) {
const char *fname = luaL_optstring(L, 1, NULL);
const char *mode = luaL_optstring(L, 2, NULL);
int env = !lua_isnone(L, 3); /* 'env' parameter? */
int env = (!lua_isnone(L, 3) ? 3 : 0); /* 'env' index or 0 if no 'env' */
int status = luaL_loadfilex(L, fname, mode);
if (status == LUA_OK && env) { /* 'env' parameter? */
lua_pushvalue(L, 3);
lua_setupvalue(L, -2, 1); /* set it as 1st upvalue of loaded chunk */
}
return load_aux(L, status);
return load_aux(L, status, env);
}
@@ -307,9 +309,9 @@ static const char *generic_reader (lua_State *L, void *ud, size_t *size) {
static int luaB_load (lua_State *L) {
int status;
size_t l;
int top = lua_gettop(L);
const char *s = lua_tolstring(L, 1, &l);
const char *mode = luaL_optstring(L, 3, "bt");
int env = (!lua_isnone(L, 4) ? 4 : 0); /* 'env' index or 0 if no 'env' */
if (s != NULL) { /* loading a string? */
const char *chunkname = luaL_optstring(L, 2, s);
status = luaL_loadbufferx(L, s, l, chunkname, mode);
@@ -320,11 +322,7 @@ static int luaB_load (lua_State *L) {
lua_settop(L, RESERVEDSLOT); /* create reserved slot */
status = lua_load(L, generic_reader, NULL, chunkname, mode);
}
if (status == LUA_OK && top >= 4) { /* is there an 'env' argument */
lua_pushvalue(L, 4); /* environment for loaded function */
lua_setupvalue(L, -2, 1); /* set it as 1st upvalue */
}
return load_aux(L, status);
return load_aux(L, status, env);
}
/* }====================================================== */
@@ -338,7 +336,8 @@ static int dofilecont (lua_State *L) {
static int luaB_dofile (lua_State *L) {
const char *fname = luaL_optstring(L, 1, NULL);
lua_settop(L, 1);
if (luaL_loadfile(L, fname) != LUA_OK) lua_error(L);
if (luaL_loadfile(L, fname) != LUA_OK)
return lua_error(L);
lua_callk(L, 0, LUA_MULTRET, 0, dofilecont);
return dofilecont(L);
}