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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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2
liblua/Makefile
View File

@@ -103,7 +103,7 @@ freebsd:
generic: $(ALL)
linux:
$(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_LINUX" SYSLIBS="-Wl,-E -ldl -lreadline -lncurses"
$(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_LINUX" SYSLIBS="-Wl,-E -ldl -lreadline"
macosx:
$(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_MACOSX" SYSLIBS="-lreadline"

45
liblua/lapi.c
View File

@@ -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 */
}

13
liblua/lauxlib.c
View File

@@ -1,5 +1,5 @@
/*
** $Id: lauxlib.c,v 1.244 2012/05/31 20:28:45 roberto Exp $
** $Id: lauxlib.c,v 1.248 2013/03/21 13:54:57 roberto Exp $
** Auxiliary functions for building Lua libraries
** See Copyright Notice in lua.h
*/
@@ -84,7 +84,7 @@ static void pushfuncname (lua_State *L, lua_Debug *ar) {
if (*ar->namewhat != '\0') /* is there a name? */
lua_pushfstring(L, "function " LUA_QS, ar->name);
else if (*ar->what == 'm') /* main? */
lua_pushfstring(L, "main chunk");
lua_pushliteral(L, "main chunk");
else if (*ar->what == 'C') {
if (pushglobalfuncname(L, ar)) {
lua_pushfstring(L, "function " LUA_QS, lua_tostring(L, -1));
@@ -158,7 +158,8 @@ LUALIB_API int luaL_argerror (lua_State *L, int narg, const char *extramsg) {
if (strcmp(ar.namewhat, "method") == 0) {
narg--; /* do not count `self' */
if (narg == 0) /* error is in the self argument itself? */
return luaL_error(L, "calling " LUA_QS " on bad self", ar.name);
return luaL_error(L, "calling " LUA_QS " on bad self (%s)",
ar.name, extramsg);
}
if (ar.name == NULL)
ar.name = (pushglobalfuncname(L, &ar)) ? lua_tostring(L, -1) : "?";
@@ -214,7 +215,7 @@ LUALIB_API int luaL_fileresult (lua_State *L, int stat, const char *fname) {
if (fname)
lua_pushfstring(L, "%s: %s", fname, strerror(en));
else
lua_pushfstring(L, "%s", strerror(en));
lua_pushstring(L, strerror(en));
lua_pushinteger(L, en);
return 3;
}
@@ -438,7 +439,7 @@ LUALIB_API char *luaL_prepbuffsize (luaL_Buffer *B, size_t sz) {
if (B->size - B->n < sz) { /* not enough space? */
char *newbuff;
size_t newsize = B->size * 2; /* double buffer size */
if (newsize - B->n < sz) /* not bit enough? */
if (newsize - B->n < sz) /* not big enough? */
newsize = B->n + sz;
if (newsize < B->n || newsize - B->n < sz)
luaL_error(L, "buffer too large");
@@ -598,7 +599,7 @@ static int skipBOM (LoadF *lf) {
lf->n = 0;
do {
c = getc(lf->f);
if (c == EOF || c != *(unsigned char *)p++) return c;
if (c == EOF || c != *(const unsigned char *)p++) return c;
lf->buff[lf->n++] = c; /* to be read by the parser */
} while (*p != '\0');
lf->n = 0; /* prefix matched; discard it */

33
liblua/lbaselib.c
View File

@@ -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);
}

6
liblua/lbitlib.c
View File

@@ -1,5 +1,5 @@
/*
** $Id: lbitlib.c,v 1.16 2011/06/20 16:35:23 roberto Exp $
** $Id: lbitlib.c,v 1.18 2013/03/19 13:19:12 roberto Exp $
** Standard library for bitwise operations
** See Copyright Notice in lua.h
*/
@@ -147,7 +147,9 @@ static int b_rrot (lua_State *L) {
/*
** get field and width arguments for field-manipulation functions,
** checking whether they are valid
** checking whether they are valid.
** ('luaL_error' called without 'return' to avoid later warnings about
** 'width' being used uninitialized.)
*/
static int fieldargs (lua_State *L, int farg, int *width) {
int f = luaL_checkint(L, farg);

11
liblua/lcode.c
View File

@@ -1,5 +1,5 @@
/*
** $Id: lcode.c,v 2.60 2011/08/30 16:26:41 roberto Exp $
** $Id: lcode.c,v 2.62 2012/08/16 17:34:28 roberto Exp $
** Code generator for Lua
** See Copyright Notice in lua.h
*/
@@ -330,10 +330,9 @@ int luaK_numberK (FuncState *fs, lua_Number r) {
setnvalue(&o, r);
if (r == 0 || luai_numisnan(NULL, r)) { /* handle -0 and NaN */
/* use raw representation as key to avoid numeric problems */
setsvalue(L, L->top, luaS_newlstr(L, (char *)&r, sizeof(r)));
incr_top(L);
n = addk(fs, L->top - 1, &o);
L->top--;
setsvalue(L, L->top++, luaS_newlstr(L, (char *)&r, sizeof(r)));
n = addk(fs, L->top - 1, &o);
L->top--;
}
else
n = addk(fs, &o, &o); /* regular case */
@@ -426,7 +425,7 @@ static void discharge2reg (FuncState *fs, expdesc *e, int reg) {
luaK_nil(fs, reg, 1);
break;
}
case VFALSE: case VTRUE: {
case VFALSE: case VTRUE: {
luaK_codeABC(fs, OP_LOADBOOL, reg, e->k == VTRUE, 0);
break;
}

4
liblua/lcorolib.c
View File

@@ -1,5 +1,5 @@
/*
** $Id: lcorolib.c,v 1.4 2012/04/27 18:59:04 roberto Exp $
** $Id: lcorolib.c,v 1.5 2013/02/21 13:44:53 roberto Exp $
** Coroutine Library
** See Copyright Notice in lua.h
*/
@@ -73,7 +73,7 @@ static int luaB_auxwrap (lua_State *L) {
lua_insert(L, -2);
lua_concat(L, 2);
}
lua_error(L); /* propagate error */
return lua_error(L); /* propagate error */
}
return r;
}

10
liblua/ldebug.c
View File

@@ -1,5 +1,5 @@
/*
** $Id: ldebug.c,v 2.89 2012/01/20 22:05:50 roberto Exp $
** $Id: ldebug.c,v 2.90 2012/08/16 17:34:28 roberto Exp $
** Debug Interface
** See Copyright Notice in lua.h
*/
@@ -196,7 +196,7 @@ static void funcinfo (lua_Debug *ar, Closure *cl) {
static void collectvalidlines (lua_State *L, Closure *f) {
if (noLuaClosure(f)) {
setnilvalue(L->top);
incr_top(L);
api_incr_top(L);
}
else {
int i;
@@ -204,7 +204,7 @@ static void collectvalidlines (lua_State *L, Closure *f) {
int *lineinfo = f->l.p->lineinfo;
Table *t = luaH_new(L); /* new table to store active lines */
sethvalue(L, L->top, t); /* push it on stack */
incr_top(L);
api_incr_top(L);
setbvalue(&v, 1); /* boolean 'true' to be the value of all indices */
for (i = 0; i < f->l.p->sizelineinfo; i++) /* for all lines with code */
luaH_setint(L, t, lineinfo[i], &v); /* table[line] = true */
@@ -285,7 +285,7 @@ LUA_API int lua_getinfo (lua_State *L, const char *what, lua_Debug *ar) {
status = auxgetinfo(L, what, ar, cl, ci);
if (strchr(what, 'f')) {
setobjs2s(L, L->top, func);
incr_top(L);
api_incr_top(L);
}
if (strchr(what, 'L'))
collectvalidlines(L, cl);
@@ -563,7 +563,7 @@ l_noret luaG_errormsg (lua_State *L) {
if (!ttisfunction(errfunc)) luaD_throw(L, LUA_ERRERR);
setobjs2s(L, L->top, L->top - 1); /* move argument */
setobjs2s(L, L->top - 1, errfunc); /* push function */
incr_top(L);
L->top++;
luaD_call(L, L->top - 2, 1, 0); /* call it */
}
luaD_throw(L, LUA_ERRRUN);

15
liblua/ldo.c
View File

@@ -1,5 +1,5 @@
/*
** $Id: ldo.c,v 2.105 2012/06/08 15:14:04 roberto Exp $
** $Id: ldo.c,v 2.108 2012/10/01 14:05:04 roberto Exp $
** Stack and Call structure of Lua
** See Copyright Notice in lua.h
*/
@@ -311,6 +311,7 @@ int luaD_precall (lua_State *L, StkId func, int nresults) {
ci->top = L->top + LUA_MINSTACK;
lua_assert(ci->top <= L->stack_last);
ci->callstatus = 0;
luaC_checkGC(L); /* stack grow uses memory */
if (L->hookmask & LUA_MASKCALL)
luaD_hook(L, LUA_HOOKCALL, -1);
lua_unlock(L);
@@ -338,6 +339,7 @@ int luaD_precall (lua_State *L, StkId func, int nresults) {
ci->u.l.savedpc = p->code; /* starting point */
ci->callstatus = CIST_LUA;
L->top = ci->top;
luaC_checkGC(L); /* stack grow uses memory */
if (L->hookmask & LUA_MASKCALL)
callhook(L, ci);
return 0;
@@ -393,7 +395,6 @@ void luaD_call (lua_State *L, StkId func, int nResults, int allowyield) {
luaV_execute(L); /* call it */
if (!allowyield) L->nny--;
L->nCcalls--;
luaC_checkGC(L);
}
@@ -402,7 +403,11 @@ static void finishCcall (lua_State *L) {
int n;
lua_assert(ci->u.c.k != NULL); /* must have a continuation */
lua_assert(L->nny == 0);
/* finish 'lua_callk' */
if (ci->callstatus & CIST_YPCALL) { /* was inside a pcall? */
ci->callstatus &= ~CIST_YPCALL; /* finish 'lua_pcall' */
L->errfunc = ci->u.c.old_errfunc;
}
/* finish 'lua_callk'/'lua_pcall' */
adjustresults(L, ci->nresults);
/* call continuation function */
if (!(ci->callstatus & CIST_STAT)) /* no call status? */
@@ -473,7 +478,7 @@ static int recover (lua_State *L, int status) {
static l_noret resume_error (lua_State *L, const char *msg, StkId firstArg) {
L->top = firstArg; /* remove args from the stack */
setsvalue2s(L, L->top, luaS_new(L, msg)); /* push error message */
incr_top(L);
api_incr_top(L);
luaD_throw(L, -1); /* jump back to 'lua_resume' */
}
@@ -558,7 +563,7 @@ LUA_API int lua_yieldk (lua_State *L, int nresults, int ctx, lua_CFunction k) {
api_checknelems(L, nresults);
if (L->nny > 0) {
if (L != G(L)->mainthread)
luaG_runerror(L, "attempt to yield across metamethod/C-call boundary");
luaG_runerror(L, "attempt to yield across a C-call boundary");
else
luaG_runerror(L, "attempt to yield from outside a coroutine");
}

4
liblua/lfunc.c
View File

@@ -1,5 +1,5 @@
/*
** $Id: lfunc.c,v 2.29 2012/05/08 13:53:33 roberto Exp $
** $Id: lfunc.c,v 2.30 2012/10/03 12:36:46 roberto Exp $
** Auxiliary functions to manipulate prototypes and closures
** See Copyright Notice in lua.h
*/
@@ -52,12 +52,12 @@ UpVal *luaF_findupval (lua_State *L, StkId level) {
while (*pp != NULL && (p = gco2uv(*pp))->v >= level) {
GCObject *o = obj2gco(p);
lua_assert(p->v != &p->u.value);
lua_assert(!isold(o) || isold(obj2gco(L)));
if (p->v == level) { /* found a corresponding upvalue? */
if (isdead(g, o)) /* is it dead? */
changewhite(o); /* resurrect it */
return p;
}
resetoldbit(o); /* may create a newer upval after this one */
pp = &p->next;
}
/* not found: create a new one */

90
liblua/lgc.c
View File

@@ -1,5 +1,5 @@
/*
** $Id: lgc.c,v 2.133 2012/05/31 21:28:59 roberto Exp $
** $Id: lgc.c,v 2.140 2013/03/16 21:10:18 roberto Exp $
** Garbage Collector
** See Copyright Notice in lua.h
*/
@@ -43,21 +43,12 @@
*/
#define STEPMULADJ 200
/*
** macro to adjust 'pause': 'pause' is actually used like
** 'pause / PAUSEADJ' (value chosen by tests)
*/
#define PAUSEADJ 200
/*
** standard negative debt for GC; a reasonable "time" to wait before
** starting a new cycle
*/
#define stddebtest(g,e) (-cast(l_mem, (e)/PAUSEADJ) * g->gcpause)
#define stddebt(g) stddebtest(g, gettotalbytes(g))
#define PAUSEADJ 100
/*
@@ -144,9 +135,9 @@ static int iscleared (global_State *g, const TValue *o) {
void luaC_barrier_ (lua_State *L, GCObject *o, GCObject *v) {
global_State *g = G(L);
lua_assert(isblack(o) && iswhite(v) && !isdead(g, v) && !isdead(g, o));
lua_assert(isgenerational(g) || g->gcstate != GCSpause);
lua_assert(g->gcstate != GCSpause);
lua_assert(gch(o)->tt != LUA_TTABLE);
if (keepinvariant(g)) /* must keep invariant? */
if (keepinvariantout(g)) /* must keep invariant? */
reallymarkobject(g, v); /* restore invariant */
else { /* sweep phase */
lua_assert(issweepphase(g));
@@ -343,7 +334,7 @@ static void remarkupvals (global_State *g) {
** mark root set and reset all gray lists, to start a new
** incremental (or full) collection
*/
static void markroot (global_State *g) {
static void restartcollection (global_State *g) {
g->gray = g->grayagain = NULL;
g->weak = g->allweak = g->ephemeron = NULL;
markobject(g, g->mainthread);
@@ -459,7 +450,7 @@ static lu_mem traversetable (global_State *g, Table *h) {
else /* not weak */
traversestrongtable(g, h);
return sizeof(Table) + sizeof(TValue) * h->sizearray +
sizeof(Node) * sizenode(h);
sizeof(Node) * cast(size_t, sizenode(h));
}
@@ -796,7 +787,7 @@ static GCObject *udata2finalize (global_State *g) {
g->allgc = o;
resetbit(gch(o)->marked, SEPARATED); /* mark that it is not in 'tobefnz' */
lua_assert(!isold(o)); /* see MOVE OLD rule */
if (!keepinvariant(g)) /* not keeping invariant? */
if (!keepinvariantout(g)) /* not keeping invariant? */
makewhite(g, o); /* "sweep" object */
return o;
}
@@ -855,7 +846,7 @@ static void separatetobefnz (lua_State *L, int all) {
while ((curr = *p) != NULL) { /* traverse all finalizable objects */
lua_assert(!isfinalized(curr));
lua_assert(testbit(gch(curr)->marked, SEPARATED));
if (!(all || iswhite(curr))) /* not being collected? */
if (!(iswhite(curr) || all)) /* not being collected? */
p = &gch(curr)->next; /* don't bother with it */
else {
l_setbit(gch(curr)->marked, FINALIZEDBIT); /* won't be finalized again */
@@ -891,7 +882,7 @@ void luaC_checkfinalizer (lua_State *L, GCObject *o, Table *mt) {
ho->next = g->finobj; /* link it in list 'finobj' */
g->finobj = o;
l_setbit(ho->marked, SEPARATED); /* mark it as such */
if (!keepinvariant(g)) /* not keeping invariant? */
if (!keepinvariantout(g)) /* not keeping invariant? */
makewhite(g, o); /* "sweep" object */
else
resetoldbit(o); /* see MOVE OLD rule */
@@ -908,6 +899,21 @@ void luaC_checkfinalizer (lua_State *L, GCObject *o, Table *mt) {
*/
/*
** set a reasonable "time" to wait before starting a new GC cycle;
** cycle will start when memory use hits threshold
*/
static void setpause (global_State *g, l_mem estimate) {
l_mem debt, threshold;
estimate = estimate / PAUSEADJ; /* adjust 'estimate' */
threshold = (g->gcpause < MAX_LMEM / estimate) /* overflow? */
? estimate * g->gcpause /* no overflow */
: MAX_LMEM; /* overflow; truncate to maximum */
debt = -cast(l_mem, threshold - gettotalbytes(g));
luaE_setdebt(g, debt);
}
#define sweepphases \
(bitmask(GCSsweepstring) | bitmask(GCSsweepudata) | bitmask(GCSsweep))
@@ -918,7 +924,7 @@ void luaC_checkfinalizer (lua_State *L, GCObject *o, Table *mt) {
** object inside the list (instead of to the header), so that the real
** sweep do not need to skip objects created between "now" and the start
** of the real sweep.
** Returns how many objects it sweeped.
** Returns how many objects it swept.
*/
static int entersweep (lua_State *L) {
global_State *g = G(L);
@@ -985,7 +991,7 @@ void luaC_freeallobjects (lua_State *L) {
static l_mem atomic (lua_State *L) {
global_State *g = G(L);
l_mem work = -g->GCmemtrav; /* start counting work */
l_mem work = -cast(l_mem, g->GCmemtrav); /* start counting work */
GCObject *origweak, *origall;
lua_assert(!iswhite(obj2gco(g->mainthread)));
markobject(g, L); /* mark running thread */
@@ -1028,12 +1034,10 @@ static lu_mem singlestep (lua_State *L) {
global_State *g = G(L);
switch (g->gcstate) {
case GCSpause: {
g->GCmemtrav = 0; /* start to count memory traversed */
if (!isgenerational(g))
markroot(g); /* start a new collection */
/* in any case, root must be marked at this point */
lua_assert(!iswhite(obj2gco(g->mainthread))
&& !iswhite(gcvalue(&g->l_registry)));
/* start to count memory traversed */
g->GCmemtrav = g->strt.size * sizeof(GCObject*);
lua_assert(!isgenerational(g));
restartcollection(g);
g->gcstate = GCSpropagate;
return g->GCmemtrav;
}
@@ -1105,18 +1109,23 @@ void luaC_runtilstate (lua_State *L, int statesmask) {
static void generationalcollection (lua_State *L) {
global_State *g = G(L);
lua_assert(g->gcstate == GCSpropagate);
if (g->GCestimate == 0) { /* signal for another major collection? */
luaC_fullgc(L, 0); /* perform a full regular collection */
g->GCestimate = gettotalbytes(g); /* update control */
}
else {
lu_mem estimate = g->GCestimate;
luaC_runtilstate(L, ~bitmask(GCSpause)); /* run complete cycle */
luaC_runtilstate(L, bitmask(GCSpause));
luaC_runtilstate(L, bitmask(GCSpause)); /* run complete (minor) cycle */
g->gcstate = GCSpropagate; /* skip restart */
if (gettotalbytes(g) > (estimate / 100) * g->gcmajorinc)
g->GCestimate = 0; /* signal for a major collection */
else
g->GCestimate = estimate; /* keep estimate from last major coll. */
}
luaE_setdebt(g, stddebt(g));
setpause(g, gettotalbytes(g));
lua_assert(g->gcstate == GCSpropagate);
}
@@ -1124,7 +1133,7 @@ static void incstep (lua_State *L) {
global_State *g = G(L);
l_mem debt = g->GCdebt;
int stepmul = g->gcstepmul;
if (stepmul < 40) stepmul = 40; /* avoid ridiculous low values */
if (stepmul < 40) stepmul = 40; /* avoid ridiculous low values (and 0) */
/* convert debt from Kb to 'work units' (avoid zero debt and overflows) */
debt = (debt / STEPMULADJ) + 1;
debt = (debt < MAX_LMEM / stepmul) ? debt * stepmul : MAX_LMEM;
@@ -1133,10 +1142,11 @@ static void incstep (lua_State *L) {
debt -= work;
} while (debt > -GCSTEPSIZE && g->gcstate != GCSpause);
if (g->gcstate == GCSpause)
debt = stddebtest(g, g->GCestimate); /* pause until next cycle */
else
setpause(g, g->GCestimate); /* pause until next cycle */
else {
debt = (debt / stepmul) * STEPMULADJ; /* convert 'work units' to Kb */
luaE_setdebt(g, debt);
luaE_setdebt(g, debt);
}
}
@@ -1172,7 +1182,6 @@ void luaC_step (lua_State *L) {
void luaC_fullgc (lua_State *L, int isemergency) {
global_State *g = G(L);
int origkind = g->gckind;
int someblack = keepinvariant(g);
lua_assert(origkind != KGC_EMERGENCY);
if (isemergency) /* do not run finalizers during emergency GC */
g->gckind = KGC_EMERGENCY;
@@ -1180,22 +1189,21 @@ void luaC_fullgc (lua_State *L, int isemergency) {
g->gckind = KGC_NORMAL;
callallpendingfinalizers(L, 1);
}
if (someblack) { /* may there be some black objects? */
if (keepinvariant(g)) { /* may there be some black objects? */
/* must sweep all objects to turn them back to white
(as white has not changed, nothing will be collected) */
entersweep(L);
}
/* finish any pending sweep phase to start a new cycle */
luaC_runtilstate(L, bitmask(GCSpause));
/* run entire collector */
luaC_runtilstate(L, ~bitmask(GCSpause));
luaC_runtilstate(L, bitmask(GCSpause));
luaC_runtilstate(L, ~bitmask(GCSpause)); /* start new collection */
luaC_runtilstate(L, bitmask(GCSpause)); /* run entire collection */
if (origkind == KGC_GEN) { /* generational mode? */
/* generational mode must always start in propagate phase */
/* generational mode must be kept in propagate phase */
luaC_runtilstate(L, bitmask(GCSpropagate));
}
g->gckind = origkind;
luaE_setdebt(g, stddebt(g));
setpause(g, gettotalbytes(g));
if (!isemergency) /* do not run finalizers during emergency GC */
callallpendingfinalizers(L, 1);
}

16
liblua/lgc.h
View File

@@ -1,5 +1,5 @@
/*
** $Id: lgc.h,v 2.56 2012/05/23 15:43:14 roberto Exp $
** $Id: lgc.h,v 2.58 2012/09/11 12:53:08 roberto Exp $
** Garbage Collector
** See Copyright Notice in lua.h
*/
@@ -50,14 +50,24 @@
#define isgenerational(g) ((g)->gckind == KGC_GEN)
/*
** macro to tell when main invariant (white objects cannot point to black
** macros to tell when main invariant (white objects cannot point to black
** ones) must be kept. During a non-generational collection, the sweep
** phase may break the invariant, as objects turned white may point to
** still-black objects. The invariant is restored when sweep ends and
** all objects are white again. During a generational collection, the
** invariant must be kept all times.
*/
#define keepinvariant(g) (isgenerational(g) || g->gcstate <= GCSatomic)
#define keepinvariant(g) (isgenerational(g) || g->gcstate <= GCSatomic)
/*
** Outside the collector, the state in generational mode is kept in
** 'propagate', so 'keepinvariant' is always true.
*/
#define keepinvariantout(g) \
check_exp(g->gcstate == GCSpropagate || !isgenerational(g), \
g->gcstate <= GCSatomic)
/*

26
liblua/liolib.c
View File

@@ -1,5 +1,5 @@
/*
** $Id: liolib.c,v 2.108 2011/11/25 12:50:03 roberto Exp $
** $Id: liolib.c,v 2.111 2013/03/21 13:57:27 roberto Exp $
** Standard I/O (and system) library
** See Copyright Notice in lua.h
*/
@@ -29,6 +29,20 @@
#include "lualib.h"
#if !defined(lua_checkmode)
/*
** Check whether 'mode' matches '[rwa]%+?b?'.
** Change this macro to accept other modes for 'fopen' besides
** the standard ones.
*/
#define lua_checkmode(mode) \
(*mode != '\0' && strchr("rwa", *(mode++)) != NULL && \
(*mode != '+' || ++mode) && /* skip if char is '+' */ \
(*mode != 'b' || ++mode) && /* skip if char is 'b' */ \
(*mode == '\0'))
#endif
/*
** {======================================================
@@ -212,14 +226,8 @@ static int io_open (lua_State *L) {
const char *filename = luaL_checkstring(L, 1);
const char *mode = luaL_optstring(L, 2, "r");
LStream *p = newfile(L);
int i = 0;
/* check whether 'mode' matches '[rwa]%+?b?' */
if (!(mode[i] != '\0' && strchr("rwa", mode[i++]) != NULL &&
(mode[i] != '+' || ++i) && /* skip if char is '+' */
(mode[i] != 'b' || ++i) && /* skip if char is 'b' */
(mode[i] == '\0')))
return luaL_error(L, "invalid mode " LUA_QS
" (should match " LUA_QL("[rwa]%%+?b?") ")", mode);
const char *md = mode; /* to traverse/check mode */
luaL_argcheck(L, lua_checkmode(md), 2, "invalid mode");
p->f = fopen(filename, mode);
return (p->f == NULL) ? luaL_fileresult(L, 0, filename) : 1;
}

10
liblua/llex.c
View File

@@ -1,5 +1,5 @@
/*
** $Id: llex.c,v 2.61 2012/01/23 23:05:51 roberto Exp $
** $Id: llex.c,v 2.63 2013/03/16 21:10:18 roberto Exp $
** Lexical Analyzer
** See Copyright Notice in lua.h
*/
@@ -73,16 +73,16 @@ void luaX_init (lua_State *L) {
const char *luaX_token2str (LexState *ls, int token) {
if (token < FIRST_RESERVED) {
if (token < FIRST_RESERVED) { /* single-byte symbols? */
lua_assert(token == cast(unsigned char, token));
return (lisprint(token)) ? luaO_pushfstring(ls->L, LUA_QL("%c"), token) :
luaO_pushfstring(ls->L, "char(%d)", token);
}
else {
const char *s = luaX_tokens[token - FIRST_RESERVED];
if (token < TK_EOS)
if (token < TK_EOS) /* fixed format (symbols and reserved words)? */
return luaO_pushfstring(ls->L, LUA_QS, s);
else
else /* names, strings, and numerals */
return s;
}
}
@@ -313,7 +313,7 @@ static int readhexaesc (LexState *ls) {
int c[3], i; /* keep input for error message */
int r = 0; /* result accumulator */
c[0] = 'x'; /* for error message */
for (i = 1; i < 3; i++) { /* read two hexa digits */
for (i = 1; i < 3; i++) { /* read two hexadecimal digits */
c[i] = next(ls);
if (!lisxdigit(c[i]))
escerror(ls, c, i + 1, "hexadecimal digit expected");

8
liblua/llimits.h
View File

@@ -1,5 +1,5 @@
/*
** $Id: llimits.h,v 1.99 2012/05/28 20:32:28 roberto Exp $
** $Id: llimits.h,v 1.103 2013/02/20 14:08:56 roberto Exp $
** Limits, basic types, and some other `installation-dependent' definitions
** See Copyright Notice in lua.h
*/
@@ -200,7 +200,7 @@ typedef lu_int32 Instruction;
** both small and large values (outside the range of integers).
*/
#if defined(MS_ASMTRICK) /* { */
#if defined(MS_ASMTRICK) || defined(LUA_MSASMTRICK) /* { */
/* trick with Microsoft assembler for X86 */
#define lua_number2int(i,n) __asm {__asm fld n __asm fistp i}
@@ -256,7 +256,7 @@ union luai_Cast { double l_d; LUA_INT32 l_p[2]; };
#if !defined(lua_number2unsigned) /* { */
/* the following definition assures proper modulo behavior */
#if defined(LUA_NUMBER_DOUBLE)
#if defined(LUA_NUMBER_DOUBLE) || defined(LUA_NUMBER_FLOAT)
#include <math.h>
#define SUPUNSIGNED ((lua_Number)(~(lua_Unsigned)0) + 1)
#define lua_number2unsigned(i,n) \
@@ -282,7 +282,7 @@ union luai_Cast { double l_d; LUA_INT32 l_p[2]; };
#include <math.h>
#define luai_hashnum(i,n) { int e; \
n = frexp(n, &e) * (lua_Number)(INT_MAX - DBL_MAX_EXP); \
n = l_mathop(frexp)(n, &e) * (lua_Number)(INT_MAX - DBL_MAX_EXP); \
lua_number2int(i, n); i += e; }
#endif

72
liblua/lmathlib.c
View File

@@ -1,5 +1,5 @@
/*
** $Id: lmathlib.c,v 1.81 2012/05/18 17:47:53 roberto Exp $
** $Id: lmathlib.c,v 1.83 2013/03/07 18:21:32 roberto Exp $
** Standard mathematical library
** See Copyright Notice in lua.h
*/
@@ -17,106 +17,101 @@
#include "lualib.h"
/* macro 'l_tg' allows the addition of an 'l' or 'f' to all math operations */
#if !defined(l_tg)
#define l_tg(x) (x)
#endif
#undef PI
#define PI (l_tg(3.1415926535897932384626433832795))
#define RADIANS_PER_DEGREE (PI/180.0)
#define PI ((lua_Number)(3.1415926535897932384626433832795))
#define RADIANS_PER_DEGREE ((lua_Number)(PI/180.0))
static int math_abs (lua_State *L) {
lua_pushnumber(L, l_tg(fabs)(luaL_checknumber(L, 1)));
lua_pushnumber(L, l_mathop(fabs)(luaL_checknumber(L, 1)));
return 1;
}
static int math_sin (lua_State *L) {
lua_pushnumber(L, l_tg(sin)(luaL_checknumber(L, 1)));
lua_pushnumber(L, l_mathop(sin)(luaL_checknumber(L, 1)));
return 1;
}
static int math_sinh (lua_State *L) {
lua_pushnumber(L, l_tg(sinh)(luaL_checknumber(L, 1)));
lua_pushnumber(L, l_mathop(sinh)(luaL_checknumber(L, 1)));
return 1;
}
static int math_cos (lua_State *L) {
lua_pushnumber(L, l_tg(cos)(luaL_checknumber(L, 1)));
lua_pushnumber(L, l_mathop(cos)(luaL_checknumber(L, 1)));
return 1;
}
static int math_cosh (lua_State *L) {
lua_pushnumber(L, l_tg(cosh)(luaL_checknumber(L, 1)));
lua_pushnumber(L, l_mathop(cosh)(luaL_checknumber(L, 1)));
return 1;
}
static int math_tan (lua_State *L) {
lua_pushnumber(L, l_tg(tan)(luaL_checknumber(L, 1)));
lua_pushnumber(L, l_mathop(tan)(luaL_checknumber(L, 1)));
return 1;
}
static int math_tanh (lua_State *L) {
lua_pushnumber(L, l_tg(tanh)(luaL_checknumber(L, 1)));
lua_pushnumber(L, l_mathop(tanh)(luaL_checknumber(L, 1)));
return 1;
}
static int math_asin (lua_State *L) {
lua_pushnumber(L, l_tg(asin)(luaL_checknumber(L, 1)));
lua_pushnumber(L, l_mathop(asin)(luaL_checknumber(L, 1)));
return 1;
}
static int math_acos (lua_State *L) {
lua_pushnumber(L, l_tg(acos)(luaL_checknumber(L, 1)));
lua_pushnumber(L, l_mathop(acos)(luaL_checknumber(L, 1)));
return 1;
}
static int math_atan (lua_State *L) {
lua_pushnumber(L, l_tg(atan)(luaL_checknumber(L, 1)));
lua_pushnumber(L, l_mathop(atan)(luaL_checknumber(L, 1)));
return 1;
}
static int math_atan2 (lua_State *L) {
lua_pushnumber(L, l_tg(atan2)(luaL_checknumber(L, 1),
lua_pushnumber(L, l_mathop(atan2)(luaL_checknumber(L, 1),
luaL_checknumber(L, 2)));
return 1;
}
static int math_ceil (lua_State *L) {
lua_pushnumber(L, l_tg(ceil)(luaL_checknumber(L, 1)));
lua_pushnumber(L, l_mathop(ceil)(luaL_checknumber(L, 1)));
return 1;
}
static int math_floor (lua_State *L) {
lua_pushnumber(L, l_tg(floor)(luaL_checknumber(L, 1)));
lua_pushnumber(L, l_mathop(floor)(luaL_checknumber(L, 1)));
return 1;
}
static int math_fmod (lua_State *L) {
lua_pushnumber(L, l_tg(fmod)(luaL_checknumber(L, 1),
lua_pushnumber(L, l_mathop(fmod)(luaL_checknumber(L, 1),
luaL_checknumber(L, 2)));
return 1;
}
static int math_modf (lua_State *L) {
lua_Number ip;
lua_Number fp = l_tg(modf)(luaL_checknumber(L, 1), &ip);
lua_Number fp = l_mathop(modf)(luaL_checknumber(L, 1), &ip);
lua_pushnumber(L, ip);
lua_pushnumber(L, fp);
return 2;
}
static int math_sqrt (lua_State *L) {
lua_pushnumber(L, l_tg(sqrt)(luaL_checknumber(L, 1)));
lua_pushnumber(L, l_mathop(sqrt)(luaL_checknumber(L, 1)));
return 1;
}
static int math_pow (lua_State *L) {
lua_pushnumber(L, l_tg(pow)(luaL_checknumber(L, 1),
luaL_checknumber(L, 2)));
lua_Number x = luaL_checknumber(L, 1);
lua_Number y = luaL_checknumber(L, 2);
lua_pushnumber(L, l_mathop(pow)(x, y));
return 1;
}
@@ -124,11 +119,11 @@ static int math_log (lua_State *L) {
lua_Number x = luaL_checknumber(L, 1);
lua_Number res;
if (lua_isnoneornil(L, 2))
res = l_tg(log)(x);
res = l_mathop(log)(x);
else {
lua_Number base = luaL_checknumber(L, 2);
if (base == 10.0) res = l_tg(log10)(x);
else res = l_tg(log)(x)/l_tg(log)(base);
if (base == (lua_Number)10.0) res = l_mathop(log10)(x);
else res = l_mathop(log)(x)/l_mathop(log)(base);
}
lua_pushnumber(L, res);
return 1;
@@ -136,13 +131,13 @@ static int math_log (lua_State *L) {
#if defined(LUA_COMPAT_LOG10)
static int math_log10 (lua_State *L) {
lua_pushnumber(L, l_tg(log10)(luaL_checknumber(L, 1)));
lua_pushnumber(L, l_mathop(log10)(luaL_checknumber(L, 1)));
return 1;
}
#endif
static int math_exp (lua_State *L) {
lua_pushnumber(L, l_tg(exp)(luaL_checknumber(L, 1)));
lua_pushnumber(L, l_mathop(exp)(luaL_checknumber(L, 1)));
return 1;
}
@@ -158,14 +153,15 @@ static int math_rad (lua_State *L) {
static int math_frexp (lua_State *L) {
int e;
lua_pushnumber(L, l_tg(frexp)(luaL_checknumber(L, 1), &e));
lua_pushnumber(L, l_mathop(frexp)(luaL_checknumber(L, 1), &e));
lua_pushinteger(L, e);
return 2;
}
static int math_ldexp (lua_State *L) {
lua_pushnumber(L, l_tg(ldexp)(luaL_checknumber(L, 1),
luaL_checkint(L, 2)));
lua_Number x = luaL_checknumber(L, 1);
int ep = luaL_checkint(L, 2);
lua_pushnumber(L, l_mathop(ldexp)(x, ep));
return 1;
}
@@ -210,15 +206,15 @@ static int math_random (lua_State *L) {
}
case 1: { /* only upper limit */
lua_Number u = luaL_checknumber(L, 1);
luaL_argcheck(L, 1.0 <= u, 1, "interval is empty");
lua_pushnumber(L, l_tg(floor)(r*u) + 1.0); /* int in [1, u] */
luaL_argcheck(L, (lua_Number)1.0 <= u, 1, "interval is empty");
lua_pushnumber(L, l_mathop(floor)(r*u) + (lua_Number)(1.0)); /* [1, u] */
break;
}
case 2: { /* lower and upper limits */
lua_Number l = luaL_checknumber(L, 1);
lua_Number u = luaL_checknumber(L, 2);
luaL_argcheck(L, l <= u, 2, "interval is empty");
lua_pushnumber(L, l_tg(floor)(r*(u-l+1)) + l); /* int in [l, u] */
lua_pushnumber(L, l_mathop(floor)(r*(u-l+1)) + l); /* [l, u] */
break;
}
default: return luaL_error(L, "wrong number of arguments");

15
liblua/lmem.h
View File

@@ -1,5 +1,5 @@
/*
** $Id: lmem.h,v 1.38 2011/12/02 13:26:54 roberto Exp $
** $Id: lmem.h,v 1.40 2013/02/20 14:08:21 roberto Exp $
** Interface to Memory Manager
** See Copyright Notice in lua.h
*/
@@ -14,10 +14,17 @@
#include "lua.h"
/*
** This macro avoids the runtime division MAX_SIZET/(e), as 'e' is
** always constant.
** The macro is somewhat complex to avoid warnings:
** +1 avoids warnings of "comparison has constant result";
** cast to 'void' avoids warnings of "value unused".
*/
#define luaM_reallocv(L,b,on,n,e) \
((cast(size_t, (n)+1) > MAX_SIZET/(e)) ? /* +1 to avoid warnings */ \
(luaM_toobig(L), (void *)0) : \
luaM_realloc_(L, (b), (on)*(e), (n)*(e)))
(cast(void, \
(cast(size_t, (n)+1) > MAX_SIZET/(e)) ? (luaM_toobig(L), 0) : 0), \
luaM_realloc_(L, (b), (on)*(e), (n)*(e)))
#define luaM_freemem(L, b, s) luaM_realloc_(L, (b), (s), 0)
#define luaM_free(L, b) luaM_realloc_(L, (b), sizeof(*(b)), 0)

20
liblua/lobject.c
View File

@@ -1,5 +1,5 @@
/*
** $Id: lobject.c,v 2.55 2011/11/30 19:30:16 roberto Exp $
** $Id: lobject.c,v 2.58 2013/02/20 14:08:56 roberto Exp $
** Some generic functions over Lua objects
** See Copyright Notice in lua.h
*/
@@ -104,7 +104,7 @@ static int isneg (const char **s) {
static lua_Number readhexa (const char **s, lua_Number r, int *count) {
for (; lisxdigit(cast_uchar(**s)); (*s)++) { /* read integer part */
r = (r * 16.0) + cast_num(luaO_hexavalue(cast_uchar(**s)));
r = (r * cast_num(16.0)) + cast_num(luaO_hexavalue(cast_uchar(**s)));
(*count)++;
}
return r;
@@ -149,7 +149,7 @@ static lua_Number lua_strx2number (const char *s, char **endptr) {
*endptr = cast(char *, s); /* valid up to here */
ret:
if (neg) r = -r;
return ldexp(r, e);
return l_mathop(ldexp)(r, e);
}
#endif
@@ -171,8 +171,7 @@ int luaO_str2d (const char *s, size_t len, lua_Number *result) {
static void pushstr (lua_State *L, const char *str, size_t l) {
setsvalue2s(L, L->top, luaS_newlstr(L, str, l));
incr_top(L);
setsvalue2s(L, L->top++, luaS_newlstr(L, str, l));
}
@@ -182,8 +181,8 @@ const char *luaO_pushvfstring (lua_State *L, const char *fmt, va_list argp) {
for (;;) {
const char *e = strchr(fmt, '%');
if (e == NULL) break;
setsvalue2s(L, L->top, luaS_newlstr(L, fmt, e-fmt));
incr_top(L);
luaD_checkstack(L, 2); /* fmt + item */
pushstr(L, fmt, e - fmt);
switch (*(e+1)) {
case 's': {
const char *s = va_arg(argp, char *);
@@ -198,13 +197,11 @@ const char *luaO_pushvfstring (lua_State *L, const char *fmt, va_list argp) {
break;
}
case 'd': {
setnvalue(L->top, cast_num(va_arg(argp, int)));
incr_top(L);
setnvalue(L->top++, cast_num(va_arg(argp, int)));
break;
}
case 'f': {
setnvalue(L->top, cast_num(va_arg(argp, l_uacNumber)));
incr_top(L);
setnvalue(L->top++, cast_num(va_arg(argp, l_uacNumber)));
break;
}
case 'p': {
@@ -226,6 +223,7 @@ const char *luaO_pushvfstring (lua_State *L, const char *fmt, va_list argp) {
n += 2;
fmt = e+2;
}
luaD_checkstack(L, 1);
pushstr(L, fmt, strlen(fmt));
if (n > 0) luaV_concat(L, n + 1);
return svalue(L->top - 1);

7
liblua/lobject.h
View File

@@ -1,5 +1,5 @@
/*
** $Id: lobject.h,v 2.70 2012/05/11 14:10:50 roberto Exp $
** $Id: lobject.h,v 2.71 2012/09/11 18:21:44 roberto Exp $
** Type definitions for Lua objects
** See Copyright Notice in lua.h
*/
@@ -52,8 +52,7 @@
#define LUA_TCCL (LUA_TFUNCTION | (2 << 4)) /* C closure */
/*
** LUA_TSTRING variants */
/* Variant tags for strings */
#define LUA_TSHRSTR (LUA_TSTRING | (0 << 4)) /* short strings */
#define LUA_TLNGSTR (LUA_TSTRING | (1 << 4)) /* long strings */
@@ -188,8 +187,6 @@ typedef struct lua_TValue TValue;
#define setnvalue(obj,x) \
{ TValue *io=(obj); num_(io)=(x); settt_(io, LUA_TNUMBER); }
#define changenvalue(o,x) check_exp(ttisnumber(o), num_(o)=(x))
#define setnilvalue(obj) settt_(obj, LUA_TNIL)
#define setfvalue(obj,x) \

4
liblua/loslib.c
View File

@@ -1,5 +1,5 @@
/*
** $Id: loslib.c,v 1.39 2012/05/23 15:37:09 roberto Exp $
** $Id: loslib.c,v 1.40 2012/10/19 15:54:02 roberto Exp $
** Standard Operating System library
** See Copyright Notice in lua.h
*/
@@ -98,7 +98,7 @@ static int os_remove (lua_State *L) {
static int os_rename (lua_State *L) {
const char *fromname = luaL_checkstring(L, 1);
const char *toname = luaL_checkstring(L, 2);
return luaL_fileresult(L, rename(fromname, toname) == 0, fromname);
return luaL_fileresult(L, rename(fromname, toname) == 0, NULL);
}

11
liblua/lparser.c
View File

@@ -1,5 +1,5 @@
/*
** $Id: lparser.c,v 2.128 2012/05/20 14:51:23 roberto Exp $
** $Id: lparser.c,v 2.130 2013/02/06 13:37:39 roberto Exp $
** Lua Parser
** See Copyright Notice in lua.h
*/
@@ -245,7 +245,7 @@ static int newupvalue (FuncState *fs, TString *name, expdesc *v) {
static int searchvar (FuncState *fs, TString *n) {
int i;
for (i=fs->nactvar-1; i >= 0; i--) {
for (i = cast_int(fs->nactvar) - 1; i >= 0; i--) {
if (luaS_eqstr(n, getlocvar(fs, i)->varname))
return i;
}
@@ -512,12 +512,15 @@ static Proto *addprototype (LexState *ls) {
/*
** codes instruction to create new closure in parent function
** codes instruction to create new closure in parent function.
** The OP_CLOSURE instruction must use the last available register,
** so that, if it invokes the GC, the GC knows which registers
** are in use at that time.
*/
static void codeclosure (LexState *ls, expdesc *v) {
FuncState *fs = ls->fs->prev;
init_exp(v, VRELOCABLE, luaK_codeABx(fs, OP_CLOSURE, 0, fs->np - 1));
luaK_exp2nextreg(fs, v); /* fix it at stack top (for GC) */
luaK_exp2nextreg(fs, v); /* fix it at the last register */
}

4
liblua/lstate.c
View File

@@ -1,5 +1,5 @@
/*
** $Id: lstate.c,v 2.98 2012/05/30 12:33:44 roberto Exp $
** $Id: lstate.c,v 2.99 2012/10/02 17:40:53 roberto Exp $
** Global State
** See Copyright Notice in lua.h
*/
@@ -48,7 +48,7 @@
*/
#if !defined(luai_makeseed)
#include <time.h>
#define luai_makeseed() cast(size_t, time(NULL))
#define luai_makeseed() cast(unsigned int, time(NULL))
#endif

4
liblua/lstate.h
View File

@@ -1,5 +1,5 @@
/*
** $Id: lstate.h,v 2.81 2012/06/08 15:14:04 roberto Exp $
** $Id: lstate.h,v 2.82 2012/07/02 13:37:04 roberto Exp $
** Global State
** See Copyright Notice in lua.h
*/
@@ -137,7 +137,7 @@ typedef struct global_State {
UpVal uvhead; /* head of double-linked list of all open upvalues */
Mbuffer buff; /* temporary buffer for string concatenation */
int gcpause; /* size of pause between successive GCs */
int gcmajorinc; /* how much to wait for a major GC (only in gen. mode) */
int gcmajorinc; /* pause between major collections (only in gen. mode) */
int gcstepmul; /* GC `granularity' */
lua_CFunction panic; /* to be called in unprotected errors */
struct lua_State *mainthread;

6
liblua/lstring.c
View File

@@ -1,5 +1,5 @@
/*
** $Id: lstring.c,v 2.24 2012/05/11 14:14:42 roberto Exp $
** $Id: lstring.c,v 2.26 2013/01/08 13:50:10 roberto Exp $
** String table (keeps all strings handled by Lua)
** See Copyright Notice in lua.h
*/
@@ -49,7 +49,7 @@ int luaS_eqstr (TString *a, TString *b) {
unsigned int luaS_hash (const char *str, size_t l, unsigned int seed) {
unsigned int h = seed ^ l;
unsigned int h = seed ^ cast(unsigned int, l);
size_t l1;
size_t step = (l >> LUAI_HASHLIMIT) + 1;
for (l1 = l; l1 >= step; l1 -= step)
@@ -139,7 +139,7 @@ static TString *internshrstr (lua_State *L, const char *str, size_t l) {
o = gch(o)->next) {
TString *ts = rawgco2ts(o);
if (h == ts->tsv.hash &&
ts->tsv.len == l &&
l == ts->tsv.len &&
(memcmp(str, getstr(ts), l * sizeof(char)) == 0)) {
if (isdead(G(L), o)) /* string is dead (but was not collected yet)? */
changewhite(o); /* resurrect it */

207
liblua/lstrlib.c
View File

@@ -1,5 +1,5 @@
/*
** $Id: lstrlib.c,v 1.176 2012/05/23 15:37:09 roberto Exp $
** $Id: lstrlib.c,v 1.178 2012/08/14 18:12:34 roberto Exp $
** Standard library for string operations and pattern-matching
** See Copyright Notice in lua.h
*/
@@ -194,7 +194,9 @@ static int str_dump (lua_State *L) {
#define CAP_UNFINISHED (-1)
#define CAP_POSITION (-2)
typedef struct MatchState {
int matchdepth; /* control for recursive depth (to avoid C stack overflow) */
const char *src_init; /* init of source string */
const char *src_end; /* end ('\0') of source string */
const char *p_end; /* end ('\0') of pattern */
@@ -207,6 +209,16 @@ typedef struct MatchState {
} MatchState;
/* recursive function */
static const char *match (MatchState *ms, const char *s, const char *p);
/* maximum recursion depth for 'match' */
#if !defined(MAXCCALLS)
#define MAXCCALLS 200
#endif
#define L_ESC '%'
#define SPECIALS "^$*+?.([%-"
@@ -294,19 +306,22 @@ static int matchbracketclass (int c, const char *p, const char *ec) {
}
static int singlematch (int c, const char *p, const char *ep) {
switch (*p) {
case '.': return 1; /* matches any char */
case L_ESC: return match_class(c, uchar(*(p+1)));
case '[': return matchbracketclass(c, p, ep-1);
default: return (uchar(*p) == c);
static int singlematch (MatchState *ms, const char *s, const char *p,
const char *ep) {
if (s >= ms->src_end)
return 0;
else {
int c = uchar(*s);
switch (*p) {
case '.': return 1; /* matches any char */
case L_ESC: return match_class(c, uchar(*(p+1)));
case '[': return matchbracketclass(c, p, ep-1);
default: return (uchar(*p) == c);
}
}
}
static const char *match (MatchState *ms, const char *s, const char *p);
static const char *matchbalance (MatchState *ms, const char *s,
const char *p) {
if (p >= ms->p_end - 1)
@@ -331,7 +346,7 @@ static const char *matchbalance (MatchState *ms, const char *s,
static const char *max_expand (MatchState *ms, const char *s,
const char *p, const char *ep) {
ptrdiff_t i = 0; /* counts maximum expand for item */
while ((s+i)<ms->src_end && singlematch(uchar(*(s+i)), p, ep))
while (singlematch(ms, s + i, p, ep))
i++;
/* keeps trying to match with the maximum repetitions */
while (i>=0) {
@@ -349,7 +364,7 @@ static const char *min_expand (MatchState *ms, const char *s,
const char *res = match(ms, s, ep+1);
if (res != NULL)
return res;
else if (s<ms->src_end && singlematch(uchar(*s), p, ep))
else if (singlematch(ms, s, p, ep))
s++; /* try with one more repetition */
else return NULL;
}
@@ -393,79 +408,105 @@ static const char *match_capture (MatchState *ms, const char *s, int l) {
static const char *match (MatchState *ms, const char *s, const char *p) {
if (ms->matchdepth-- == 0)
luaL_error(ms->L, "pattern too complex");
init: /* using goto's to optimize tail recursion */
if (p == ms->p_end) /* end of pattern? */
return s; /* match succeeded */
switch (*p) {
case '(': { /* start capture */
if (*(p+1) == ')') /* position capture? */
return start_capture(ms, s, p+2, CAP_POSITION);
else
return start_capture(ms, s, p+1, CAP_UNFINISHED);
}
case ')': { /* end capture */
return end_capture(ms, s, p+1);
}
case '$': {
if ((p+1) == ms->p_end) /* is the `$' the last char in pattern? */
return (s == ms->src_end) ? s : NULL; /* check end of string */
else goto dflt;
}
case L_ESC: { /* escaped sequences not in the format class[*+?-]? */
switch (*(p+1)) {
case 'b': { /* balanced string? */
s = matchbalance(ms, s, p+2);
if (s == NULL) return NULL;
p+=4; goto init; /* else return match(ms, s, p+4); */
}
case 'f': { /* frontier? */
const char *ep; char previous;
p += 2;
if (*p != '[')
luaL_error(ms->L, "missing " LUA_QL("[") " after "
LUA_QL("%%f") " in pattern");
ep = classend(ms, p); /* points to what is next */
previous = (s == ms->src_init) ? '\0' : *(s-1);
if (matchbracketclass(uchar(previous), p, ep-1) ||
!matchbracketclass(uchar(*s), p, ep-1)) return NULL;
p=ep; goto init; /* else return match(ms, s, ep); */
}
case '0': case '1': case '2': case '3':
case '4': case '5': case '6': case '7':
case '8': case '9': { /* capture results (%0-%9)? */
s = match_capture(ms, s, uchar(*(p+1)));
if (s == NULL) return NULL;
p+=2; goto init; /* else return match(ms, s, p+2) */
}
default: goto dflt;
if (p != ms->p_end) { /* end of pattern? */
switch (*p) {
case '(': { /* start capture */
if (*(p + 1) == ')') /* position capture? */
s = start_capture(ms, s, p + 2, CAP_POSITION);
else
s = start_capture(ms, s, p + 1, CAP_UNFINISHED);
break;
}
}
default: dflt: { /* pattern class plus optional suffix */
const char *ep = classend(ms, p); /* points to what is next */
int m = s < ms->src_end && singlematch(uchar(*s), p, ep);
switch (*ep) {
case '?': { /* optional */
const char *res;
if (m && ((res=match(ms, s+1, ep+1)) != NULL))
return res;
p=ep+1; goto init; /* else return match(ms, s, ep+1); */
case ')': { /* end capture */
s = end_capture(ms, s, p + 1);
break;
}
case '$': {
if ((p + 1) != ms->p_end) /* is the `$' the last char in pattern? */
goto dflt; /* no; go to default */
s = (s == ms->src_end) ? s : NULL; /* check end of string */
break;
}
case L_ESC: { /* escaped sequences not in the format class[*+?-]? */
switch (*(p + 1)) {
case 'b': { /* balanced string? */
s = matchbalance(ms, s, p + 2);
if (s != NULL) {
p += 4; goto init; /* return match(ms, s, p + 4); */
} /* else fail (s == NULL) */
break;
}
case 'f': { /* frontier? */
const char *ep; char previous;
p += 2;
if (*p != '[')
luaL_error(ms->L, "missing " LUA_QL("[") " after "
LUA_QL("%%f") " in pattern");
ep = classend(ms, p); /* points to what is next */
previous = (s == ms->src_init) ? '\0' : *(s - 1);
if (!matchbracketclass(uchar(previous), p, ep - 1) &&
matchbracketclass(uchar(*s), p, ep - 1)) {
p = ep; goto init; /* return match(ms, s, ep); */
}
s = NULL; /* match failed */
break;
}
case '0': case '1': case '2': case '3':
case '4': case '5': case '6': case '7':
case '8': case '9': { /* capture results (%0-%9)? */
s = match_capture(ms, s, uchar(*(p + 1)));
if (s != NULL) {
p += 2; goto init; /* return match(ms, s, p + 2) */
}
break;
}
default: goto dflt;
}
case '*': { /* 0 or more repetitions */
return max_expand(ms, s, p, ep);
break;
}
default: dflt: { /* pattern class plus optional suffix */
const char *ep = classend(ms, p); /* points to optional suffix */
/* does not match at least once? */
if (!singlematch(ms, s, p, ep)) {
if (*ep == '*' || *ep == '?' || *ep == '-') { /* accept empty? */
p = ep + 1; goto init; /* return match(ms, s, ep + 1); */
}
else /* '+' or no suffix */
s = NULL; /* fail */
}
case '+': { /* 1 or more repetitions */
return (m ? max_expand(ms, s+1, p, ep) : NULL);
}
case '-': { /* 0 or more repetitions (minimum) */
return min_expand(ms, s, p, ep);
}
default: {
if (!m) return NULL;
s++; p=ep; goto init; /* else return match(ms, s+1, ep); */
else { /* matched once */
switch (*ep) { /* handle optional suffix */
case '?': { /* optional */
const char *res;
if ((res = match(ms, s + 1, ep + 1)) != NULL)
s = res;
else {
p = ep + 1; goto init; /* else return match(ms, s, ep + 1); */
}
break;
}
case '+': /* 1 or more repetitions */
s++; /* 1 match already done */
/* go through */
case '*': /* 0 or more repetitions */
s = max_expand(ms, s, p, ep);
break;
case '-': /* 0 or more repetitions (minimum) */
s = min_expand(ms, s, p, ep);
break;
default: /* no suffix */
s++; p = ep; goto init; /* return match(ms, s + 1, ep); */
}
}
break;
}
}
}
ms->matchdepth++;
return s;
}
@@ -561,12 +602,14 @@ static int str_find_aux (lua_State *L, int find) {
p++; lp--; /* skip anchor character */
}
ms.L = L;
ms.matchdepth = MAXCCALLS;
ms.src_init = s;
ms.src_end = s + ls;
ms.p_end = p + lp;
do {
const char *res;
ms.level = 0;
lua_assert(ms.matchdepth == MAXCCALLS);
if ((res=match(&ms, s1, p)) != NULL) {
if (find) {
lua_pushinteger(L, s1 - s + 1); /* start */
@@ -600,6 +643,7 @@ static int gmatch_aux (lua_State *L) {
const char *p = lua_tolstring(L, lua_upvalueindex(2), &lp);
const char *src;
ms.L = L;
ms.matchdepth = MAXCCALLS;
ms.src_init = s;
ms.src_end = s+ls;
ms.p_end = p + lp;
@@ -608,6 +652,7 @@ static int gmatch_aux (lua_State *L) {
src++) {
const char *e;
ms.level = 0;
lua_assert(ms.matchdepth == MAXCCALLS);
if ((e = match(&ms, src, p)) != NULL) {
lua_Integer newstart = e-s;
if (e == src) newstart++; /* empty match? go at least one position */
@@ -705,12 +750,14 @@ static int str_gsub (lua_State *L) {
p++; lp--; /* skip anchor character */
}
ms.L = L;
ms.matchdepth = MAXCCALLS;
ms.src_init = src;
ms.src_end = src+srcl;
ms.p_end = p + lp;
while (n < max_s) {
const char *e;
ms.level = 0;
lua_assert(ms.matchdepth == MAXCCALLS);
e = match(&ms, src, p);
if (e) {
n++;
@@ -867,7 +914,7 @@ static int str_format (lua_State *L) {
nb = sprintf(buff, form, luaL_checkint(L, arg));
break;
}
case 'd': case 'i': {
case 'd': case 'i': {
lua_Number n = luaL_checknumber(L, arg);
LUA_INTFRM_T ni = (LUA_INTFRM_T)n;
lua_Number diff = n - (lua_Number)ni;
@@ -877,7 +924,7 @@ static int str_format (lua_State *L) {
nb = sprintf(buff, form, ni);
break;
}
case 'o': case 'u': case 'x': case 'X': {
case 'o': case 'u': case 'x': case 'X': {
lua_Number n = luaL_checknumber(L, arg);
unsigned LUA_INTFRM_T ni = (unsigned LUA_INTFRM_T)n;
lua_Number diff = n - (lua_Number)ni;
@@ -887,7 +934,7 @@ static int str_format (lua_State *L) {
nb = sprintf(buff, form, ni);
break;
}
case 'e': case 'E': case 'f':
case 'e': case 'E': case 'f':
#if defined(LUA_USE_AFORMAT)
case 'a': case 'A':
#endif

6
liblua/ltable.c
View File

@@ -1,5 +1,5 @@
/*
** $Id: ltable.c,v 2.71 2012/05/23 15:37:09 roberto Exp $
** $Id: ltable.c,v 2.72 2012/09/11 19:37:16 roberto Exp $
** Lua tables (hash)
** See Copyright Notice in lua.h
*/
@@ -480,13 +480,13 @@ const TValue *luaH_getstr (Table *t, TString *key) {
*/
const TValue *luaH_get (Table *t, const TValue *key) {
switch (ttype(key)) {
case LUA_TNIL: return luaO_nilobject;
case LUA_TSHRSTR: return luaH_getstr(t, rawtsvalue(key));
case LUA_TNIL: return luaO_nilobject;
case LUA_TNUMBER: {
int k;
lua_Number n = nvalue(key);
lua_number2int(k, n);
if (luai_numeq(cast_num(k), nvalue(key))) /* index is int? */
if (luai_numeq(cast_num(k), n)) /* index is int? */
return luaH_getint(t, k); /* use specialized version */
/* else go through */
}

20
liblua/ltablib.c
View File

@@ -1,5 +1,5 @@
/*
** $Id: ltablib.c,v 1.63 2011/11/28 17:26:30 roberto Exp $
** $Id: ltablib.c,v 1.65 2013/03/07 18:17:24 roberto Exp $
** Library for Table Manipulation
** See Copyright Notice in lua.h
*/
@@ -16,8 +16,8 @@
#include "lualib.h"
#define aux_getn(L,n) \
(luaL_checktype(L, n, LUA_TTABLE), luaL_len(L, n))
#define aux_getn(L,n) (luaL_checktype(L, n, LUA_TTABLE), luaL_len(L, n))
#if defined(LUA_COMPAT_MAXN)
@@ -49,7 +49,7 @@ static int tinsert (lua_State *L) {
case 3: {
int i;
pos = luaL_checkint(L, 2); /* 2nd argument is the position */
if (pos > e) e = pos; /* `grow' array if necessary */
luaL_argcheck(L, 1 <= pos && pos <= e, 2, "position out of bounds");
for (i = e; i > pos; i--) { /* move up elements */
lua_rawgeti(L, 1, i-1);
lua_rawseti(L, 1, i); /* t[i] = t[i-1] */
@@ -66,17 +66,17 @@ static int tinsert (lua_State *L) {
static int tremove (lua_State *L) {
int e = aux_getn(L, 1);
int pos = luaL_optint(L, 2, e);
if (!(1 <= pos && pos <= e)) /* position is outside bounds? */
return 0; /* nothing to remove */
int size = aux_getn(L, 1);
int pos = luaL_optint(L, 2, size);
if (pos != size) /* validate 'pos' if given */
luaL_argcheck(L, 1 <= pos && pos <= size + 1, 1, "position out of bounds");
lua_rawgeti(L, 1, pos); /* result = t[pos] */
for ( ;pos<e; pos++) {
for ( ; pos < size; pos++) {
lua_rawgeti(L, 1, pos+1);
lua_rawseti(L, 1, pos); /* t[pos] = t[pos+1] */
}
lua_pushnil(L);
lua_rawseti(L, 1, e); /* t[e] = nil */
lua_rawseti(L, 1, pos); /* t[pos] = nil */
return 1;
}

7
liblua/lua.c
View File

@@ -1,5 +1,5 @@
/*
** $Id: lua.c,v 1.205 2012/05/23 15:37:09 roberto Exp $
** $Id: lua.c,v 1.206 2012/09/29 20:07:06 roberto Exp $
** Lua stand-alone interpreter
** See Copyright Notice in lua.h
*/
@@ -237,7 +237,6 @@ static const char *get_prompt (lua_State *L, int firstline) {
lua_getglobal(L, firstline ? "_PROMPT" : "_PROMPT2");
p = lua_tostring(L, -1);
if (p == NULL) p = (firstline ? LUA_PROMPT : LUA_PROMPT2);
lua_pop(L, 1); /* remove global */
return p;
}
@@ -263,7 +262,9 @@ static int pushline (lua_State *L, int firstline) {
char *b = buffer;
size_t l;
const char *prmt = get_prompt(L, firstline);
if (lua_readline(L, b, prmt) == 0)
int readstatus = lua_readline(L, b, prmt);
lua_pop(L, 1); /* remove result from 'get_prompt' */
if (readstatus == 0)
return 0; /* no input */
l = strlen(b);
if (l > 0 && b[l-1] == '\n') /* line ends with newline? */

13
liblua/lua.h
View File

@@ -1,5 +1,5 @@
/*
** $Id: lua.h,v 1.283 2012/04/20 13:18:26 roberto Exp $
** $Id: lua.h,v 1.285 2013/03/15 13:04:22 roberto Exp $
** Lua - A Scripting Language
** Lua.org, PUC-Rio, Brazil (http://www.lua.org)
** See Copyright Notice at the end of this file
@@ -19,11 +19,11 @@
#define LUA_VERSION_MAJOR "5"
#define LUA_VERSION_MINOR "2"
#define LUA_VERSION_NUM 502
#define LUA_VERSION_RELEASE "1"
#define LUA_VERSION_RELEASE "2"
#define LUA_VERSION "Lua " LUA_VERSION_MAJOR "." LUA_VERSION_MINOR
#define LUA_RELEASE LUA_VERSION "." LUA_VERSION_RELEASE
#define LUA_COPYRIGHT LUA_RELEASE " Copyright (C) 1994-2012 Lua.org, PUC-Rio"
#define LUA_COPYRIGHT LUA_RELEASE " Copyright (C) 1994-2013 Lua.org, PUC-Rio"
#define LUA_AUTHORS "R. Ierusalimschy, L. H. de Figueiredo, W. Celes"
@@ -119,6 +119,11 @@ typedef LUA_UNSIGNED lua_Unsigned;
#endif
/*
** RCS ident string
*/
extern const char lua_ident[];
/*
** state manipulation
@@ -413,7 +418,7 @@ struct lua_Debug {
/******************************************************************************
* Copyright (C) 1994-2012 Lua.org, PUC-Rio.
* Copyright (C) 1994-2013 Lua.org, PUC-Rio.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the

25
liblua/luaconf.h
View File

@@ -1,5 +1,5 @@
/*
** $Id: luaconf.h,v 1.172 2012/05/11 14:14:42 roberto Exp $
** $Id: luaconf.h,v 1.176 2013/03/16 21:10:18 roberto Exp $
** Configuration file for Lua
** See Copyright Notice in lua.h
*/
@@ -44,7 +44,7 @@
#define LUA_USE_POSIX
#define LUA_USE_DLOPEN /* needs an extra library: -ldl */
#define LUA_USE_READLINE /* needs some extra libraries */
#define LUA_USE_STRTODHEX /* assume 'strtod' handles hexa formats */
#define LUA_USE_STRTODHEX /* assume 'strtod' handles hex formats */
#define LUA_USE_AFORMAT /* assume 'printf' handles 'aA' specifiers */
#define LUA_USE_LONGLONG /* assume support for long long */
#endif
@@ -53,7 +53,7 @@
#define LUA_USE_POSIX
#define LUA_USE_DLOPEN /* does not need -ldl */
#define LUA_USE_READLINE /* needs an extra library: -lreadline */
#define LUA_USE_STRTODHEX /* assume 'strtod' handles hexa formats */
#define LUA_USE_STRTODHEX /* assume 'strtod' handles hex formats */
#define LUA_USE_AFORMAT /* assume 'printf' handles 'aA' specifiers */
#define LUA_USE_LONGLONG /* assume support for long long */
#endif
@@ -405,10 +405,16 @@
#define LUAI_MAXNUMBER2STR 32 /* 16 digits, sign, point, and \0 */
/*
@@ l_mathop allows the addition of an 'l' or 'f' to all math operations
*/
#define l_mathop(x) (x)
/*
@@ lua_str2number converts a decimal numeric string to a number.
@@ lua_strx2number converts an hexadecimal numeric string to a number.
** In C99, 'strtod' do both conversions. C89, however, has no function
** In C99, 'strtod' does both conversions. C89, however, has no function
** to convert floating hexadecimal strings to numbers. For these
** systems, you can leave 'lua_strx2number' undefined and Lua will
** provide its own implementation.
@@ -427,8 +433,8 @@
/* the following operations need the math library */
#if defined(lobject_c) || defined(lvm_c)
#include <math.h>
#define luai_nummod(L,a,b) ((a) - floor((a)/(b))*(b))
#define luai_numpow(L,a,b) (pow(a,b))
#define luai_nummod(L,a,b) ((a) - l_mathop(floor)((a)/(b))*(b))
#define luai_numpow(L,a,b) (l_mathop(pow)(a,b))
#endif
/* these are quite standard operations */
@@ -465,13 +471,12 @@
** Some tricks with doubles
*/
#if defined(LUA_CORE) && \
defined(LUA_NUMBER_DOUBLE) && !defined(LUA_ANSI) /* { */
#if defined(LUA_NUMBER_DOUBLE) && !defined(LUA_ANSI) /* { */
/*
** The next definitions activate some tricks to speed up the
** conversion from doubles to integer types, mainly to LUA_UNSIGNED.
**
@@ MS_ASMTRICK uses Microsoft assembler to avoid clashes with a
@@ LUA_MSASMTRICK uses Microsoft assembler to avoid clashes with a
** DirectX idiosyncrasy.
**
@@ LUA_IEEE754TRICK uses a trick that should work on any machine
@@ -495,7 +500,7 @@
/* Microsoft compiler on a Pentium (32 bit) ? */
#if defined(LUA_WIN) && defined(_MSC_VER) && defined(_M_IX86) /* { */
#define MS_ASMTRICK
#define LUA_MSASMTRICK
#define LUA_IEEEENDIAN 0
#define LUA_NANTRICK

7
liblua/lvm.c
View File

@@ -1,5 +1,5 @@
/*
** $Id: lvm.c,v 2.152 2012/06/08 15:14:04 roberto Exp $
** $Id: lvm.c,v 2.155 2013/03/16 21:10:18 roberto Exp $
** Lua virtual machine
** See Copyright Notice in lua.h
*/
@@ -83,7 +83,7 @@ static void traceexec (lua_State *L) {
if (counthook)
L->hookcount = 1; /* undo decrement to zero */
ci->u.l.savedpc--; /* undo increment (resume will increment it again) */
ci->callstatus |= CIST_HOOKYIELD; /* mark that it yieled */
ci->callstatus |= CIST_HOOKYIELD; /* mark that it yielded */
ci->func = L->top - 1; /* protect stack below results */
luaD_throw(L, LUA_YIELD);
}
@@ -98,7 +98,6 @@ static void callTM (lua_State *L, const TValue *f, const TValue *p1,
setobj2s(L, L->top++, p2); /* 2nd argument */
if (!hasres) /* no result? 'p3' is third argument */
setobj2s(L, L->top++, p3); /* 3rd argument */
luaD_checkstack(L, 0);
/* metamethod may yield only when called from Lua code */
luaD_call(L, L->top - (4 - hasres), hasres, isLua(L->ci));
if (hasres) { /* if has result, move it to its place */
@@ -470,7 +469,7 @@ void luaV_finishOp (lua_State *L) {
L->top = ci->top; /* adjust results */
break;
}
case OP_TAILCALL: case OP_SETTABUP: case OP_SETTABLE:
case OP_TAILCALL: case OP_SETTABUP: case OP_SETTABLE:
break;
default: lua_assert(0);
}

5
liblua/lvm.h
View File

@@ -1,5 +1,5 @@
/*
** $Id: lvm.h,v 2.17 2011/05/31 18:27:56 roberto Exp $
** $Id: lvm.h,v 2.18 2013/01/08 14:06:55 roberto Exp $
** Lua virtual machine
** See Copyright Notice in lua.h
*/
@@ -19,8 +19,7 @@
#define equalobj(L,o1,o2) (ttisequal(o1, o2) && luaV_equalobj_(L, o1, o2))
#define luaV_rawequalobj(t1,t2) \
(ttisequal(t1,t2) && luaV_equalobj_(NULL,t1,t2))
#define luaV_rawequalobj(o1,o2) equalobj(NULL,o1,o2)
/* not to called directly */