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Code Issues Projects Releases Wiki Activity

Upgrade 5.2.1 to 5.2.2.

Browse Source 
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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45
liblua/lapi.c
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@@ -1,5 +1,5 @@
/*
** $Id: lapi.c,v 2.164 2012/06/08 15:14:04 roberto Exp $
** $Id: lapi.c,v 2.171 2013/03/16 21:10:18 roberto Exp $
** Lua API
** See Copyright Notice in lua.h
*/
@@ -40,7 +40,16 @@ const char lua_ident[] =
/* corresponding test */
#define isvalid(o) ((o) != luaO_nilobject)
#define api_checkvalidindex(L, i) api_check(L, isvalid(i), "invalid index")
/* test for pseudo index */
#define ispseudo(i) ((i) <= LUA_REGISTRYINDEX)
/* test for valid but not pseudo index */
#define isstackindex(i, o) (isvalid(o) && !ispseudo(i))
#define api_checkvalidindex(L, o) api_check(L, isvalid(o), "invalid index")
#define api_checkstackindex(L, i, o) \
api_check(L, isstackindex(i, o), "index not in the stack")
static TValue *index2addr (lua_State *L, int idx) {
@@ -51,7 +60,7 @@ static TValue *index2addr (lua_State *L, int idx) {
if (o >= L->top) return NONVALIDVALUE;
else return o;
}
else if (idx > LUA_REGISTRYINDEX) {
else if (!ispseudo(idx)) { /* negative index */
api_check(L, idx != 0 && -idx <= L->top - (ci->func + 1), "invalid index");
return L->top + idx;
}
@@ -142,7 +151,7 @@ LUA_API const lua_Number *lua_version (lua_State *L) {
** convert an acceptable stack index into an absolute index
*/
LUA_API int lua_absindex (lua_State *L, int idx) {
return (idx > 0 || idx <= LUA_REGISTRYINDEX)
return (idx > 0 || ispseudo(idx))
? idx
: cast_int(L->top - L->ci->func + idx);
}
@@ -174,7 +183,7 @@ LUA_API void lua_remove (lua_State *L, int idx) {
StkId p;
lua_lock(L);
p = index2addr(L, idx);
api_checkvalidindex(L, p);
api_checkstackindex(L, idx, p);
while (++p < L->top) setobjs2s(L, p-1, p);
L->top--;
lua_unlock(L);
@@ -186,8 +195,9 @@ LUA_API void lua_insert (lua_State *L, int idx) {
StkId q;
lua_lock(L);
p = index2addr(L, idx);
api_checkvalidindex(L, p);
for (q = L->top; q>p; q--) setobjs2s(L, q, q-1);
api_checkstackindex(L, idx, p);
for (q = L->top; q > p; q--) /* use L->top as a temporary */
setobjs2s(L, q, q - 1);
setobjs2s(L, p, L->top);
lua_unlock(L);
}
@@ -217,7 +227,6 @@ LUA_API void lua_copy (lua_State *L, int fromidx, int toidx) {
TValue *fr;
lua_lock(L);
fr = index2addr(L, fromidx);
api_checkvalidindex(L, fr);
moveto(L, fr, toidx);
lua_unlock(L);
}
@@ -281,7 +290,7 @@ LUA_API int lua_rawequal (lua_State *L, int index1, int index2) {
}
LUA_API void lua_arith (lua_State *L, int op) {
LUA_API void lua_arith (lua_State *L, int op) {
StkId o1; /* 1st operand */
StkId o2; /* 2nd operand */
lua_lock(L);
@@ -295,7 +304,7 @@ LUA_API void lua_arith (lua_State *L, int op) {
o1 = L->top - 2;
o2 = L->top - 1;
if (ttisnumber(o1) && ttisnumber(o2)) {
changenvalue(o1, luaO_arith(op, nvalue(o1), nvalue(o2)));
setnvalue(o1, luaO_arith(op, nvalue(o1), nvalue(o2)));
}
else
luaV_arith(L, o1, o1, o2, cast(TMS, op - LUA_OPADD + TM_ADD));
@@ -611,7 +620,6 @@ LUA_API void lua_gettable (lua_State *L, int idx) {
StkId t;
lua_lock(L);
t = index2addr(L, idx);
api_checkvalidindex(L, t);
luaV_gettable(L, t, L->top - 1, L->top - 1);
lua_unlock(L);
}
@@ -621,7 +629,6 @@ LUA_API void lua_getfield (lua_State *L, int idx, const char *k) {
StkId t;
lua_lock(L);
t = index2addr(L, idx);
api_checkvalidindex(L, t);
setsvalue2s(L, L->top, luaS_new(L, k));
api_incr_top(L);
luaV_gettable(L, t, L->top - 1, L->top - 1);
@@ -709,7 +716,6 @@ LUA_API void lua_getuservalue (lua_State *L, int idx) {
StkId o;
lua_lock(L);
o = index2addr(L, idx);
api_checkvalidindex(L, o);
api_check(L, ttisuserdata(o), "userdata expected");
if (uvalue(o)->env) {
sethvalue(L, L->top, uvalue(o)->env);
@@ -743,7 +749,6 @@ LUA_API void lua_settable (lua_State *L, int idx) {
lua_lock(L);
api_checknelems(L, 2);
t = index2addr(L, idx);
api_checkvalidindex(L, t);
luaV_settable(L, t, L->top - 2, L->top - 1);
L->top -= 2; /* pop index and value */
lua_unlock(L);
@@ -755,7 +760,6 @@ LUA_API void lua_setfield (lua_State *L, int idx, const char *k) {
lua_lock(L);
api_checknelems(L, 1);
t = index2addr(L, idx);
api_checkvalidindex(L, t);
setsvalue2s(L, L->top++, luaS_new(L, k));
luaV_settable(L, t, L->top - 1, L->top - 2);
L->top -= 2; /* pop value and key */
@@ -811,7 +815,6 @@ LUA_API int lua_setmetatable (lua_State *L, int objindex) {
lua_lock(L);
api_checknelems(L, 1);
obj = index2addr(L, objindex);
api_checkvalidindex(L, obj);
if (ttisnil(L->top - 1))
mt = NULL;
else {
@@ -821,9 +824,10 @@ LUA_API int lua_setmetatable (lua_State *L, int objindex) {
switch (ttypenv(obj)) {
case LUA_TTABLE: {
hvalue(obj)->metatable = mt;
if (mt)
if (mt) {
luaC_objbarrierback(L, gcvalue(obj), mt);
luaC_checkfinalizer(L, gcvalue(obj), mt);
}
break;
}
case LUA_TUSERDATA: {
@@ -850,7 +854,6 @@ LUA_API void lua_setuservalue (lua_State *L, int idx) {
lua_lock(L);
api_checknelems(L, 1);
o = index2addr(L, idx);
api_checkvalidindex(L, o);
api_check(L, ttisuserdata(o), "userdata expected");
if (ttisnil(L->top - 1))
uvalue(o)->env = NULL;
@@ -937,7 +940,7 @@ LUA_API int lua_pcallk (lua_State *L, int nargs, int nresults, int errfunc,
func = 0;
else {
StkId o = index2addr(L, errfunc);
api_checkvalidindex(L, o);
api_checkstackindex(L, errfunc, o);
func = savestack(L, o);
}
c.func = L->top - (nargs+1); /* function to be called */
@@ -1006,7 +1009,7 @@ LUA_API int lua_dump (lua_State *L, lua_Writer writer, void *data) {
}
LUA_API int lua_status (lua_State *L) {
LUA_API int lua_status (lua_State *L) {
return L->status;
}
@@ -1103,7 +1106,7 @@ LUA_API int lua_error (lua_State *L) {
lua_lock(L);
api_checknelems(L, 1);
luaG_errormsg(L);
lua_unlock(L);
/* code unreachable; will unlock when control actually leaves the kernel */
return 0; /* to avoid warnings */
}