[ViewVC] Diff of: cvs/JSON-XS/XS.xs

Comparing JSON-XS/XS.xs (file contents):
Revision 1.100 by root, Sat Sep 5 23:00:56 2009 UTC vs.
Revision 1.121 by root, Tue Oct 29 00:06:40 2013 UTC

…		…
17	// guarantees, though. if it breaks, you get to keep the pieces.	17	// guarantees, though. if it breaks, you get to keep the pieces.
18	#ifndef UTF8_MAXBYTES	18	#ifndef UTF8_MAXBYTES
19	# define UTF8_MAXBYTES 13	19	# define UTF8_MAXBYTES 13
20	#endif	20	#endif
21		21
		22	// three extra for rounding, sign, and end of string
22	#define IVUV_MAXCHARS (sizeof (UV) * CHAR_BIT * 28 / 93 + 2)	23	#define IVUV_MAXCHARS (sizeof (UV) * CHAR_BIT * 28 / 93 + 3)
23		24
24	#define F_ASCII 0x00000001UL	25	#define F_ASCII 0x00000001UL
25	#define F_LATIN1 0x00000002UL	26	#define F_LATIN1 0x00000002UL
26	#define F_UTF8 0x00000004UL	27	#define F_UTF8 0x00000004UL
27	#define F_INDENT 0x00000008UL	28	#define F_INDENT 0x00000008UL
…		…
32	#define F_SHRINK 0x00000200UL	33	#define F_SHRINK 0x00000200UL
33	#define F_ALLOW_BLESSED 0x00000400UL	34	#define F_ALLOW_BLESSED 0x00000400UL
34	#define F_CONV_BLESSED 0x00000800UL	35	#define F_CONV_BLESSED 0x00000800UL
35	#define F_RELAXED 0x00001000UL	36	#define F_RELAXED 0x00001000UL
36	#define F_ALLOW_UNKNOWN 0x00002000UL	37	#define F_ALLOW_UNKNOWN 0x00002000UL
		38	#define F_ALLOW_TAGS 0x00004000UL
37	#define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing	39	#define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing
38		40
39	#define F_PRETTY F_INDENT \| F_SPACE_BEFORE \| F_SPACE_AFTER	41	#define F_PRETTY F_INDENT \| F_SPACE_BEFORE \| F_SPACE_AFTER
40		42
41	#define INIT_SIZE 32 // initial scalar size to be allocated	43	#define INIT_SIZE 32 // initial scalar size to be allocated
42	#define INDENT_STEP 3 // spaces per indentation level	44	#define INDENT_STEP 3 // spaces per indentation level
43		45
44	#define SHORT_STRING_LEN 16384 // special-case strings of up to this size	46	#define SHORT_STRING_LEN 16384 // special-case strings of up to this size
		47
		48	#define DECODE_WANTS_OCTETS(json) ((json)->flags & F_UTF8)
45		49
46	#define SB do {	50	#define SB do {
47	#define SE } while (0)	51	#define SE } while (0)
48		52
49	#if __GNUC__ >= 3	53	#if __GNUC__ >= 3
…		…
69	#else	73	#else
70	# define JSON_SLOW 0	74	# define JSON_SLOW 0
71	# define JSON_STASH json_stash	75	# define JSON_STASH json_stash
72	#endif	76	#endif
73		77
		78	// the amount of HEs to allocate on the stack, when sorting keys
		79	#define STACK_HES 64
		80
74	static HV json_stash, json_boolean_stash; // JSON::XS::	81	static HV json_stash, types_boolean_stash; // JSON::XS::
75	static SV json_true, json_false;	82	static SV types_true, types_false, *sv_json;
76		83
77	enum {	84	enum {
78	INCR_M_WS = 0, // initial whitespace skipping, must be 0	85	INCR_M_WS = 0, // initial whitespace skipping, must be 0
79	INCR_M_STR, // inside string	86	INCR_M_STR, // inside string
80	INCR_M_BS, // inside backslash	87	INCR_M_BS, // inside backslash
		88	INCR_M_C0, // inside comment in initial whitespace sequence
		89	INCR_M_C1, // inside comment in other places
81	INCR_M_JSON // outside anything, count nesting	90	INCR_M_JSON // outside anything, count nesting
82	};	91	};
83		92
84	#define INCR_DONE(json) ((json)->incr_nest <= 0 && (json)->incr_mode == INCR_M_JSON)	93	#define INCR_DONE(json) ((json)->incr_nest <= 0 && (json)->incr_mode == INCR_M_JSON)
85		94
…		…
184	return SvUTF8 (sv)	193	return SvUTF8 (sv)
185	? utf8_distance (offset, SvPVX (sv))	194	? utf8_distance (offset, SvPVX (sv))
186	: offset - SvPVX (sv);	195	: offset - SvPVX (sv);
187	}	196	}
188		197
		198	/////////////////////////////////////////////////////////////////////////////
		199	// fp hell
		200
		201	// scan a group of digits, and a trailing exponent
		202	static void
		203	json_atof_scan1 (const char s, NV accum, int *expo, int postdp, int maxdepth)
		204	{
		205	UV uaccum = 0;
		206	int eaccum = 0;
		207
		208	// if we recurse too deep, skip all remaining digits
		209	// to avoid a stack overflow attack
		210	if (expect_false (--maxdepth <= 0))
		211	while (((U8)*s - '0') < 10)
		212	++s;
		213
		214	for (;;)
		215	{
		216	U8 dig = (U8)*s - '0';
		217
		218	if (expect_false (dig >= 10))
		219	{
		220	if (dig == (U8)((U8)'.' - (U8)'0'))
		221	{
		222	++s;
		223	json_atof_scan1 (s, accum, expo, 1, maxdepth);
		224	}
		225	else if ((dig \| ' ') == 'e' - '0')
		226	{
		227	int exp2 = 0;
		228	int neg = 0;
		229
		230	++s;
		231
		232	if (*s == '-')
		233	{
		234	++s;
		235	neg = 1;
		236	}
		237	else if (*s == '+')
		238	++s;
		239
		240	while ((dig = (U8)*s - '0') < 10)
		241	exp2 = exp2 * 10 + *s++ - '0';
		242
		243	*expo += neg ? -exp2 : exp2;
		244	}
		245
		246	break;
		247	}
		248
		249	++s;
		250
		251	uaccum = uaccum * 10 + dig;
		252	++eaccum;
		253
		254	// if we have too many digits, then recurse for more
		255	// we actually do this for rather few digits
		256	if (uaccum >= (UV_MAX - 9) / 10)
		257	{
		258	if (postdp) *expo -= eaccum;
		259	json_atof_scan1 (s, accum, expo, postdp, maxdepth);
		260	if (postdp) *expo += eaccum;
		261
		262	break;
		263	}
		264	}
		265
		266	// this relies greatly on the quality of the pow ()
		267	// implementation of the platform, but a good
		268	// implementation is hard to beat.
		269	// (IEEE 754 conformant ones are required to be exact)
		270	if (postdp) *expo -= eaccum;
		271	accum += uaccum Perl_pow (10., *expo);
		272	*expo += eaccum;
		273	}
		274
		275	static NV
		276	json_atof (const char *s)
		277	{
		278	NV accum = 0.;
		279	int expo = 0;
		280	int neg = 0;
		281
		282	if (*s == '-')
		283	{
		284	++s;
		285	neg = 1;
		286	}
		287
		288	// a recursion depth of ten gives us >>500 bits
		289	json_atof_scan1 (s, &accum, &expo, 0, 10);
		290
		291	return neg ? -accum : accum;
		292	}
189	/////////////////////////////////////////////////////////////////////////////	293	/////////////////////////////////////////////////////////////////////////////
190	// encoder	294	// encoder
191		295
192	// structure used for encoding JSON	296	// structure used for encoding JSON
193	typedef struct	297	typedef struct
…		…
380		484
381	if (enc->indent >= enc->json.max_depth)	485	if (enc->indent >= enc->json.max_depth)
382	croak (ERR_NESTING_EXCEEDED);	486	croak (ERR_NESTING_EXCEEDED);
383		487
384	encode_ch (enc, '[');	488	encode_ch (enc, '[');
385		489
386	if (len >= 0)	490	if (len >= 0)
387	{	491	{
388	encode_nl (enc); ++enc->indent;	492	encode_nl (enc); ++enc->indent;
389		493
390	for (i = 0; i <= len; ++i)	494	for (i = 0; i <= len; ++i)
…		…
402	encode_comma (enc);	506	encode_comma (enc);
403	}	507	}
404		508
405	encode_nl (enc); --enc->indent; encode_indent (enc);	509	encode_nl (enc); --enc->indent; encode_indent (enc);
406	}	510	}
407		511
408	encode_ch (enc, ']');	512	encode_ch (enc, ']');
409	}	513	}
410		514
411	static void	515	static void
412	encode_hk (enc_t enc, HE he)	516	encode_hk (enc_t enc, HE he)
…		…
416	if (HeKLEN (he) == HEf_SVKEY)	520	if (HeKLEN (he) == HEf_SVKEY)
417	{	521	{
418	SV *sv = HeSVKEY (he);	522	SV *sv = HeSVKEY (he);
419	STRLEN len;	523	STRLEN len;
420	char *str;	524	char *str;
421		525
422	SvGETMAGIC (sv);	526	SvGETMAGIC (sv);
423	str = SvPV (sv, len);	527	str = SvPV (sv, len);
424		528
425	encode_str (enc, str, len, SvUTF8 (sv));	529	encode_str (enc, str, len, SvUTF8 (sv));
426	}	530	}
…		…
492	}	596	}
493		597
494	if (count)	598	if (count)
495	{	599	{
496	int i, fast = 1;	600	int i, fast = 1;
497	#if defined(__BORLANDC__) \|\| defined(_MSC_VER)	601	HE *hes_stack [STACK_HES];
498	HE *hes = _alloca (count sizeof (HE));	602	HE **hes = hes_stack;
499	#else	603
500	HE *hes [count]; // if your compiler dies here, you need to enable C99 mode	604	// allocate larger arrays on the heap
501	#endif	605	if (count > STACK_HES)
		606	{
		607	SV sv = sv_2mortal (NEWSV (0, count sizeof (*hes)));
		608	hes = (HE **)SvPVX (sv);
		609	}
502		610
503	i = 0;	611	i = 0;
504	while ((he = hv_iternext (hv)))	612	while ((he = hv_iternext (hv)))
505	{	613	{
506	hes [i++] = he;	614	hes [i++] = he;
…		…
575	// encode objects, arrays and special \0=false and \1=true values.	683	// encode objects, arrays and special \0=false and \1=true values.
576	static void	684	static void
577	encode_rv (enc_t enc, SV sv)	685	encode_rv (enc_t enc, SV sv)
578	{	686	{
579	svtype svt;	687	svtype svt;
		688	GV *method;
580		689
581	SvGETMAGIC (sv);	690	SvGETMAGIC (sv);
582	svt = SvTYPE (sv);	691	svt = SvTYPE (sv);
583		692
584	if (expect_false (SvOBJECT (sv)))	693	if (expect_false (SvOBJECT (sv)))
585	{	694	{
586	HV *stash = !JSON_SLOW \|\| json_boolean_stash	695	HV *boolean_stash = !JSON_SLOW \|\| types_boolean_stash
587	? json_boolean_stash	696	? types_boolean_stash
588	: gv_stashpv ("JSON::XS::Boolean", 1);	697	: gv_stashpv ("Types::Serialiser::Boolean", 1);
		698	HV *stash = SvSTASH (sv);
589		699
590	if (SvSTASH (sv) == stash)	700	if (stash == boolean_stash)
591	{	701	{
592	if (SvIV (sv))	702	if (SvIV (sv))
593	encode_str (enc, "true", 4, 0);	703	encode_str (enc, "true", 4, 0);
594	else	704	else
595	encode_str (enc, "false", 5, 0);	705	encode_str (enc, "false", 5, 0);
596	}	706	}
		707	else if ((enc->json.flags & F_ALLOW_TAGS) && (method = gv_fetchmethod_autoload (stash, "FREEZE", 0)))
		708	{
		709	int count;
		710	dSP;
		711
		712	ENTER; SAVETMPS; PUSHMARK (SP);
		713	EXTEND (SP, 2);
		714	// we re-bless the reference to get overload and other niceties right
		715	PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
		716	PUSHs (sv_json);
		717
		718	PUTBACK;
		719	count = call_sv ((SV *)GvCV (method), G_ARRAY);
		720	SPAGAIN;
		721
		722	// catch this surprisingly common error
		723	if (SvROK (TOPs) && SvRV (TOPs) == sv)
		724	croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv)));
		725
		726	encode_ch (enc, '(');
		727	encode_ch (enc, '"');
		728	encode_str (enc, HvNAME (stash), HvNAMELEN (stash), HvNAMEUTF8 (stash));
		729	encode_ch (enc, '"');
		730	encode_ch (enc, ')');
		731	encode_ch (enc, '[');
		732
		733	while (count)
		734	{
		735	encode_sv (enc, SP[1 - count--]);
		736
		737	if (count)
		738	encode_ch (enc, ',');
		739	}
		740
		741	encode_ch (enc, ']');
		742
		743	PUTBACK;
		744
		745	FREETMPS; LEAVE;
		746	}
		747	else if ((enc->json.flags & F_CONV_BLESSED) && (method = gv_fetchmethod_autoload (stash, "TO_JSON", 0)))
		748	{
		749	dSP;
		750
		751	ENTER; SAVETMPS; PUSHMARK (SP);
		752	// we re-bless the reference to get overload and other niceties right
		753	XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
		754
		755	// calling with G_SCALAR ensures that we always get a 1 return value
		756	PUTBACK;
		757	call_sv ((SV *)GvCV (method), G_SCALAR);
		758	SPAGAIN;
		759
		760	// catch this surprisingly common error
		761	if (SvROK (TOPs) && SvRV (TOPs) == sv)
		762	croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv)));
		763
		764	sv = POPs;
		765	PUTBACK;
		766
		767	encode_sv (enc, sv);
		768
		769	FREETMPS; LEAVE;
		770	}
		771	else if (enc->json.flags & F_ALLOW_BLESSED)
		772	encode_str (enc, "null", 4, 0);
597	else	773	else
598	{
599	#if 0
600	if (0 && sv_derived_from (rv, "JSON::Literal"))
601	{
602	// not yet
603	}
604	#endif
605	if (enc->json.flags & F_CONV_BLESSED)
606	{
607	// we re-bless the reference to get overload and other niceties right
608	GV *to_json = gv_fetchmethod_autoload (SvSTASH (sv), "TO_JSON", 0);
609
610	if (to_json)
611	{
612	dSP;
613
614	ENTER; SAVETMPS; PUSHMARK (SP);
615	XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv)));
616
617	// calling with G_SCALAR ensures that we always get a 1 return value
618	PUTBACK;
619	call_sv ((SV *)GvCV (to_json), G_SCALAR);
620	SPAGAIN;
621
622	// catch this surprisingly common error
623	if (SvROK (TOPs) && SvRV (TOPs) == sv)
624	croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv)));
625
626	sv = POPs;
627	PUTBACK;
628
629	encode_sv (enc, sv);
630
631	FREETMPS; LEAVE;
632	}
633	else if (enc->json.flags & F_ALLOW_BLESSED)
634	encode_str (enc, "null", 4, 0);
635	else
636	croak ("encountered object '%s', but neither allow_blessed enabled nor TO_JSON method available on it",
637	SvPV_nolen (sv_2mortal (newRV_inc (sv))));
638	}
639	else if (enc->json.flags & F_ALLOW_BLESSED)
640	encode_str (enc, "null", 4, 0);
641	else
642	croak ("encountered object '%s', but neither allow_blessed nor convert_blessed settings are enabled",	774	croak ("encountered object '%s', but neither allow_blessed, convert_blessed nor allow_tags settings are enabled (or TO_JSON/FREEZE method missing)",
643	SvPV_nolen (sv_2mortal (newRV_inc (sv))));	775	SvPV_nolen (sv_2mortal (newRV_inc (sv))));
644	}
645	}	776	}
646	else if (svt == SVt_PVHV)	777	else if (svt == SVt_PVHV)
647	encode_hv (enc, (HV *)sv);	778	encode_hv (enc, (HV *)sv);
648	else if (svt == SVt_PVAV)	779	else if (svt == SVt_PVAV)
649	encode_av (enc, (AV *)sv);	780	encode_av (enc, (AV *)sv);
…		…
725	}	856	}
726	else	857	else
727	{	858	{
728	// large integer, use the (rather slow) snprintf way.	859	// large integer, use the (rather slow) snprintf way.
729	need (enc, IVUV_MAXCHARS);	860	need (enc, IVUV_MAXCHARS);
730	enc->cur +=	861	enc->cur +=
731	SvIsUV(sv)	862	SvIsUV(sv)
732	? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv))	863	? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv))
733	: snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv));	864	: snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv));
734	}	865	}
735	}	866	}
736	else if (SvROK (sv))	867	else if (SvROK (sv))
737	encode_rv (enc, SvRV (sv));	868	encode_rv (enc, SvRV (sv));
738	else if (!SvOK (sv) \|\| enc->json.flags & F_ALLOW_UNKNOWN)	869	else if (!SvOK (sv) \|\| enc->json.flags & F_ALLOW_UNKNOWN)
739	encode_str (enc, "null", 4, 0);	870	encode_str (enc, "null", 4, 0);
740	else	871	else
741	croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this",	872	croak ("encountered perl type (%s,0x%x) that JSON cannot handle, check your input data",
742	SvPV_nolen (sv), SvFLAGS (sv));	873	SvPV_nolen (sv), (unsigned int)SvFLAGS (sv));
743	}	874	}
744		875
745	static SV *	876	static SV *
746	encode_json (SV scalar, JSON json)	877	encode_json (SV scalar, JSON json)
747	{	878	{
…		…
949	else if (expect_true (ch >= 0x20 && ch < 0x80))	1080	else if (expect_true (ch >= 0x20 && ch < 0x80))
950	*cur++ = ch;	1081	*cur++ = ch;
951	else if (ch >= 0x80)	1082	else if (ch >= 0x80)
952	{	1083	{
953	STRLEN clen;	1084	STRLEN clen;
954	UV uch;
955		1085
956	--dec_cur;	1086	--dec_cur;
957		1087
958	uch = decode_utf8 (dec_cur, dec->end - dec_cur, &clen);	1088	decode_utf8 (dec_cur, dec->end - dec_cur, &clen);
959	if (clen == (STRLEN)-1)	1089	if (clen == (STRLEN)-1)
960	ERR ("malformed UTF-8 character in JSON string");	1090	ERR ("malformed UTF-8 character in JSON string");
961		1091
962	do	1092	do
963	cur++ = dec_cur++;	1093	cur++ = dec_cur++;
…		…
1117	}	1247	}
1118		1248
1119	len -= *start == '-' ? 1 : 0;	1249	len -= *start == '-' ? 1 : 0;
1120		1250
1121	// does not fit into IV or UV, try NV	1251	// does not fit into IV or UV, try NV
1122	if ((sizeof (NV) == sizeof (double) && DBL_DIG >= len)	1252	if (len <= NV_DIG)
1123	#if defined (LDBL_DIG)
1124	\|\| (sizeof (NV) == sizeof (long double) && LDBL_DIG >= len)
1125	#endif
1126	)
1127	// fits into NV without loss of precision	1253	// fits into NV without loss of precision
1128	return newSVnv (Atof (start));	1254	return newSVnv (json_atof (start));
1129		1255
1130	// everything else fails, convert it to a string	1256	// everything else fails, convert it to a string
1131	return newSVpvn (start, dec->cur - start);	1257	return newSVpvn (start, dec->cur - start);
1132	}	1258	}
1133		1259
1134	// loss of precision here	1260	// loss of precision here
1135	return newSVnv (Atof (start));	1261	return newSVnv (json_atof (start));
1136		1262
1137	fail:	1263	fail:
1138	return 0;	1264	return 0;
1139	}	1265	}
1140		1266
…		…
1164	if (*dec->cur == ']')	1290	if (*dec->cur == ']')
1165	{	1291	{
1166	++dec->cur;	1292	++dec->cur;
1167	break;	1293	break;
1168	}	1294	}
1169		1295
1170	if (*dec->cur != ',')	1296	if (*dec->cur != ',')
1171	ERR (", or ] expected while parsing array");	1297	ERR (", or ] expected while parsing array");
1172		1298
1173	++dec->cur;	1299	++dec->cur;
1174		1300
…		…
1309	dSP;	1435	dSP;
1310	int count;	1436	int count;
1311		1437
1312	ENTER; SAVETMPS; PUSHMARK (SP);	1438	ENTER; SAVETMPS; PUSHMARK (SP);
1313	XPUSHs (HeVAL (he));	1439	XPUSHs (HeVAL (he));
		1440	sv_2mortal (sv);
1314		1441
1315	PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN;	1442	PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN;
1316		1443
1317	if (count == 1)	1444	if (count == 1)
1318	{	1445	{
1319	sv = newSVsv (POPs);	1446	sv = newSVsv (POPs);
1320	FREETMPS; LEAVE;	1447	FREETMPS; LEAVE;
1321	return sv;	1448	return sv;
1322	}	1449	}
1323		1450
		1451	SvREFCNT_inc (sv);
1324	FREETMPS; LEAVE;	1452	FREETMPS; LEAVE;
1325	}	1453	}
1326	}	1454	}
1327		1455
1328	if (dec->json.cb_object)	1456	if (dec->json.cb_object)
…		…
1354	DEC_DEC_DEPTH;	1482	DEC_DEC_DEPTH;
1355	return 0;	1483	return 0;
1356	}	1484	}
1357		1485
1358	static SV *	1486	static SV *
		1487	decode_tag (dec_t *dec)
		1488	{
		1489	SV *tag = 0;
		1490	SV *val = 0;
		1491
		1492	if (!(dec->json.flags & F_ALLOW_TAGS))
		1493	ERR ("malformed JSON string, neither array, object, number, string or atom");
		1494
		1495	++dec->cur;
		1496
		1497	decode_ws (dec);
		1498
		1499	tag = decode_sv (dec);
		1500	if (!tag)
		1501	goto fail;
		1502
		1503	if (!SvPOK (tag))
		1504	ERR ("malformed JSON string, (tag) must be a string");
		1505
		1506	decode_ws (dec);
		1507
		1508	if (*dec->cur != ')')
		1509	ERR (") expected after tag");
		1510
		1511	++dec->cur;
		1512
		1513	decode_ws (dec);
		1514
		1515	val = decode_sv (dec);
		1516	if (!val)
		1517	goto fail;
		1518
		1519	if (!SvROK (val) \|\| SvTYPE (SvRV (val)) != SVt_PVAV)
		1520	ERR ("malformed JSON string, tag value must be an array");
		1521
		1522	{
		1523	AV av = (AV )SvRV (val);
		1524	int i, len = av_len (av) + 1;
		1525	HV *stash = gv_stashsv (tag, 0);
		1526	SV *sv;
		1527
		1528	if (!stash)
		1529	ERR ("cannot decode perl-object (package does not exist)");
		1530
		1531	GV *method = gv_fetchmethod_autoload (stash, "THAW", 0);
		1532
		1533	if (!method)
		1534	ERR ("cannot decode perl-object (package does not have a THAW method)");
		1535
		1536	dSP;
		1537
		1538	ENTER; SAVETMPS; PUSHMARK (SP);
		1539	EXTEND (SP, len + 2);
		1540	// we re-bless the reference to get overload and other niceties right
		1541	PUSHs (tag);
		1542	PUSHs (sv_json);
		1543
		1544	for (i = 0; i < len; ++i)
		1545	PUSHs (*av_fetch (av, i, 1));
		1546
		1547	PUTBACK;
		1548	call_sv ((SV *)GvCV (method), G_SCALAR);
		1549	SPAGAIN;
		1550
		1551	SvREFCNT_dec (tag);
		1552	SvREFCNT_dec (val);
		1553	sv = SvREFCNT_inc (POPs);
		1554
		1555	PUTBACK;
		1556
		1557	FREETMPS; LEAVE;
		1558
		1559	return sv;
		1560	}
		1561
		1562	fail:
		1563	SvREFCNT_dec (tag);
		1564	SvREFCNT_dec (val);
		1565	return 0;
		1566	}
		1567
		1568	static SV *
1359	decode_sv (dec_t *dec)	1569	decode_sv (dec_t *dec)
1360	{	1570	{
1361	// the beauty of JSON: you need exactly one character lookahead	1571	// the beauty of JSON: you need exactly one character lookahead
1362	// to parse everything.	1572	// to parse everything.
1363	switch (*dec->cur)	1573	switch (*dec->cur)
1364	{	1574	{
1365	case '"': ++dec->cur; return decode_str (dec);	1575	case '"': ++dec->cur; return decode_str (dec);
1366	case '[': ++dec->cur; return decode_av (dec);	1576	case '[': ++dec->cur; return decode_av (dec);
1367	case '{': ++dec->cur; return decode_hv (dec);	1577	case '{': ++dec->cur; return decode_hv (dec);
		1578	case '(': return decode_tag (dec);
1368		1579
1369	case '-':	1580	case '-':
1370	case '0': case '1': case '2': case '3': case '4':	1581	case '0': case '1': case '2': case '3': case '4':
1371	case '5': case '6': case '7': case '8': case '9':	1582	case '5': case '6': case '7': case '8': case '9':
1372	return decode_num (dec);	1583	return decode_num (dec);
…		…
1374	case 't':	1585	case 't':
1375	if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4))	1586	if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4))
1376	{	1587	{
1377	dec->cur += 4;	1588	dec->cur += 4;
1378	#if JSON_SLOW	1589	#if JSON_SLOW
1379	json_true = get_bool ("JSON::XS::true");	1590	types_true = get_bool ("Types::Serialiser::true");
1380	#endif	1591	#endif
1381	return newSVsv (json_true);	1592	return newSVsv (types_true);
1382	}	1593	}
1383	else	1594	else
1384	ERR ("'true' expected");	1595	ERR ("'true' expected");
1385		1596
1386	break;	1597	break;
…		…
1388	case 'f':	1599	case 'f':
1389	if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5))	1600	if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5))
1390	{	1601	{
1391	dec->cur += 5;	1602	dec->cur += 5;
1392	#if JSON_SLOW	1603	#if JSON_SLOW
1393	json_false = get_bool ("JSON::XS::false");	1604	types_false = get_bool ("Types::Serialiser::false");
1394	#endif	1605	#endif
1395	return newSVsv (json_false);	1606	return newSVsv (types_false);
1396	}	1607	}
1397	else	1608	else
1398	ERR ("'false' expected");	1609	ERR ("'false' expected");
1399		1610
1400	break;	1611	break;
…		…
1409	ERR ("'null' expected");	1620	ERR ("'null' expected");
1410		1621
1411	break;	1622	break;
1412		1623
1413	default:	1624	default:
1414	ERR ("malformed JSON string, neither array, object, number, string or atom");	1625	ERR ("malformed JSON string, neither tag, array, object, number, string or atom");
1415	break;	1626	break;
1416	}	1627	}
1417		1628
1418	fail:	1629	fail:
1419	return 0;	1630	return 0;
…		…
1424	{	1635	{
1425	dec_t dec;	1636	dec_t dec;
1426	SV *sv;	1637	SV *sv;
1427		1638
1428	/* work around bugs in 5.10 where manipulating magic values	1639	/* work around bugs in 5.10 where manipulating magic values
1429	* will perl ignore the magic in subsequent accesses	1640	* makes perl ignore the magic in subsequent accesses.
		1641	* also make a copy of non-PV values, to get them into a clean
		1642	* state (SvPV should do that, but it's buggy, see below).
1430	*/	1643	*/
1431	/SvGETMAGIC (string);/	1644	/SvGETMAGIC (string);/
1432	if (SvMAGICAL (string))	1645	if (SvMAGICAL (string) \|\| !SvPOK (string))
1433	string = sv_2mortal (newSVsv (string));	1646	string = sv_2mortal (newSVsv (string));
1434		1647
1435	SvUPGRADE (string, SVt_PV);	1648	SvUPGRADE (string, SVt_PV);
1436		1649
1437	/* work around a bug in perl 5.10, which causes SvCUR to fail an	1650	/* work around a bug in perl 5.10, which causes SvCUR to fail an
…		…
1454	if (offset > json->max_size && json->max_size)	1667	if (offset > json->max_size && json->max_size)
1455	croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu",	1668	croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu",
1456	(unsigned long)SvCUR (string), (unsigned long)json->max_size);	1669	(unsigned long)SvCUR (string), (unsigned long)json->max_size);
1457	}	1670	}
1458		1671
1459	if (json->flags & F_UTF8)	1672	if (DECODE_WANTS_OCTETS (json))
1460	sv_utf8_downgrade (string, 0);	1673	sv_utf8_downgrade (string, 0);
1461	else	1674	else
1462	sv_utf8_upgrade (string);	1675	sv_utf8_upgrade (string);
1463		1676
1464	SvGROW (string, SvCUR (string) + 1); // should basically be a NOP	1677	SvGROW (string, SvCUR (string) + 1); // should basically be a NOP
…		…
1506	pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ);	1719	pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ);
1507	LEAVE;	1720	LEAVE;
1508		1721
1509	croak ("%s, at character offset %d (before \"%s\")",	1722	croak ("%s, at character offset %d (before \"%s\")",
1510	dec.err,	1723	dec.err,
1511	ptr_to_index (string, dec.cur),	1724	(int)ptr_to_index (string, dec.cur),
1512	dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)");	1725	dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)");
1513	}	1726	}
1514		1727
1515	sv = sv_2mortal (sv);	1728	sv = sv_2mortal (sv);
1516		1729
…		…
1525		1738
1526	static void	1739	static void
1527	incr_parse (JSON *self)	1740	incr_parse (JSON *self)
1528	{	1741	{
1529	const char *p = SvPVX (self->incr_text) + self->incr_pos;	1742	const char *p = SvPVX (self->incr_text) + self->incr_pos;
		1743
		1744	// the state machine here is a bit convoluted and could be simplified a lot
		1745	// but this would make it slower, so...
1530		1746
1531	for (;;)	1747	for (;;)
1532	{	1748	{
1533	//printf ("loop pod %d p<%c><%s>, mode %d nest %d\n", p - SvPVX (self->incr_text), p, p, self->incr_mode, self->incr_nest);//D	1749	//printf ("loop pod %d p<%c><%s>, mode %d nest %d\n", p - SvPVX (self->incr_text), p, p, self->incr_mode, self->incr_nest);//D
1534	switch (self->incr_mode)	1750	switch (self->incr_mode)
1535	{	1751	{
1536	// only used for intiial whitespace skipping	1752	// only used for initial whitespace skipping
1537	case INCR_M_WS:	1753	case INCR_M_WS:
1538	for (;;)	1754	for (;;)
1539	{	1755	{
1540	if (*p > 0x20)	1756	if (*p > 0x20)
1541	{	1757	{
		1758	if (*p == '#')
		1759	{
		1760	self->incr_mode = INCR_M_C0;
		1761	goto incr_m_c;
		1762	}
		1763	else
		1764	{
1542	self->incr_mode = INCR_M_JSON;	1765	self->incr_mode = INCR_M_JSON;
1543	goto incr_m_json;	1766	goto incr_m_json;
		1767	}
1544	}	1768	}
1545	else if (!*p)	1769	else if (!*p)
1546	goto interrupt;	1770	goto interrupt;
1547		1771
1548	++p;	1772	++p;
…		…
1554	goto interrupt;	1778	goto interrupt;
1555		1779
1556	++p;	1780	++p;
1557	self->incr_mode = INCR_M_STR;	1781	self->incr_mode = INCR_M_STR;
1558	goto incr_m_str;	1782	goto incr_m_str;
		1783
		1784	// inside #-style comments
		1785	case INCR_M_C0:
		1786	case INCR_M_C1:
		1787	incr_m_c:
		1788	for (;;)
		1789	{
		1790	if (*p == '\n')
		1791	{
		1792	self->incr_mode = self->incr_mode == INCR_M_C0 ? INCR_M_WS : INCR_M_JSON;
		1793	break;
		1794	}
		1795	else if (!*p)
		1796	goto interrupt;
		1797
		1798	++p;
		1799	}
		1800
		1801	break;
1559		1802
1560	// inside a string	1803	// inside a string
1561	case INCR_M_STR:	1804	case INCR_M_STR:
1562	incr_m_str:	1805	incr_m_str:
1563	for (;;)	1806	for (;;)
…		…
1614	self->incr_mode = INCR_M_STR;	1857	self->incr_mode = INCR_M_STR;
1615	goto incr_m_str;	1858	goto incr_m_str;
1616		1859
1617	case '[':	1860	case '[':
1618	case '{':	1861	case '{':
		1862	case '(':
1619	if (++self->incr_nest > self->max_depth)	1863	if (++self->incr_nest > self->max_depth)
1620	croak (ERR_NESTING_EXCEEDED);	1864	croak (ERR_NESTING_EXCEEDED);
1621	break;	1865	break;
1622		1866
1623	case ']':	1867	case ']':
1624	case '}':	1868	case '}':
1625	if (--self->incr_nest <= 0)	1869	if (--self->incr_nest <= 0)
1626	goto interrupt;	1870	goto interrupt;
		1871	break;
		1872
		1873	case ')':
		1874	--self->incr_nest;
		1875	break;
		1876
		1877	case '#':
		1878	self->incr_mode = INCR_M_C1;
		1879	goto incr_m_c;
1627	}	1880	}
1628	}	1881	}
1629	}	1882	}
1630		1883
1631	modechange:	1884	modechange:
1632	;	1885	;
1633	}	1886	}
1634		1887
1635	interrupt:	1888	interrupt:
1636	self->incr_pos = p - SvPVX (self->incr_text);	1889	self->incr_pos = p - SvPVX (self->incr_text);
		1890	//printf ("interrupt<%.*s>\n", self->incr_pos, SvPVX(self->incr_text));//D
1637	//printf ("return pos %d mode %d nest %d\n", self->incr_pos, self->incr_mode, self->incr_nest);//D	1891	//printf ("return pos %d mode %d nest %d\n", self->incr_pos, self->incr_mode, self->incr_nest);//D
1638	}	1892	}
1639		1893
1640	/////////////////////////////////////////////////////////////////////////////	1894	/////////////////////////////////////////////////////////////////////////////
1641	// XS interface functions	1895	// XS interface functions
…		…
1651	i >= '0' && i <= '9' ? i - '0'	1905	i >= '0' && i <= '9' ? i - '0'
1652	: i >= 'a' && i <= 'f' ? i - 'a' + 10	1906	: i >= 'a' && i <= 'f' ? i - 'a' + 10
1653	: i >= 'A' && i <= 'F' ? i - 'A' + 10	1907	: i >= 'A' && i <= 'F' ? i - 'A' + 10
1654	: -1;	1908	: -1;
1655		1909
1656	json_stash = gv_stashpv ("JSON::XS" , 1);	1910	json_stash = gv_stashpv ("JSON::XS" , 1);
1657	json_boolean_stash = gv_stashpv ("JSON::XS::Boolean", 1);	1911	types_boolean_stash = gv_stashpv ("Types::Serialiser::Boolean", 1);
1658		1912
1659	json_true = get_bool ("JSON::XS::true");	1913	types_true = get_bool ("Types::Serialiser::true");
1660	json_false = get_bool ("JSON::XS::false");	1914	types_false = get_bool ("Types::Serialiser::false");
		1915
		1916	sv_json = newSVpv ("JSON", 0);
		1917	SvREADONLY_on (sv_json);
1661		1918
1662	CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */	1919	CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */
1663	}	1920	}
1664		1921
1665	PROTOTYPES: DISABLE	1922	PROTOTYPES: DISABLE
1666		1923
1667	void CLONE (...)	1924	void CLONE (...)
1668	CODE:	1925	CODE:
1669	json_stash = 0;	1926	json_stash = 0;
1670	json_boolean_stash = 0;	1927	types_boolean_stash = 0;
1671		1928
1672	void new (char *klass)	1929	void new (char *klass)
1673	PPCODE:	1930	PPCODE:
1674	{	1931	{
1675	SV *pv = NEWSV (0, sizeof (JSON));	1932	SV *pv = NEWSV (0, sizeof (JSON));
1676	SvPOK_only (pv);	1933	SvPOK_only (pv);
1677	json_init ((JSON *)SvPVX (pv));	1934	json_init ((JSON *)SvPVX (pv));
1678	XPUSHs (sv_2mortal (sv_bless (	1935	XPUSHs (sv_2mortal (sv_bless (
1679	newRV_noinc (pv),	1936	newRV_noinc (pv),
1680	strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1)	1937	strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1)
…		…
1695	shrink = F_SHRINK	1952	shrink = F_SHRINK
1696	allow_blessed = F_ALLOW_BLESSED	1953	allow_blessed = F_ALLOW_BLESSED
1697	convert_blessed = F_CONV_BLESSED	1954	convert_blessed = F_CONV_BLESSED
1698	relaxed = F_RELAXED	1955	relaxed = F_RELAXED
1699	allow_unknown = F_ALLOW_UNKNOWN	1956	allow_unknown = F_ALLOW_UNKNOWN
		1957	allow_tags = F_ALLOW_TAGS
1700	PPCODE:	1958	PPCODE:
1701	{	1959	{
1702	if (enable)	1960	if (enable)
1703	self->flags \|= ix;	1961	self->flags \|= ix;
1704	else	1962	else
…		…
1720	get_shrink = F_SHRINK	1978	get_shrink = F_SHRINK
1721	get_allow_blessed = F_ALLOW_BLESSED	1979	get_allow_blessed = F_ALLOW_BLESSED
1722	get_convert_blessed = F_CONV_BLESSED	1980	get_convert_blessed = F_CONV_BLESSED
1723	get_relaxed = F_RELAXED	1981	get_relaxed = F_RELAXED
1724	get_allow_unknown = F_ALLOW_UNKNOWN	1982	get_allow_unknown = F_ALLOW_UNKNOWN
		1983	get_allow_tags = F_ALLOW_TAGS
1725	PPCODE:	1984	PPCODE:
1726	XPUSHs (boolSV (self->flags & ix));	1985	XPUSHs (boolSV (self->flags & ix));
1727		1986
1728	void max_depth (JSON *self, U32 max_depth = 0x80000000UL)	1987	void max_depth (JSON *self, U32 max_depth = 0x80000000UL)
1729	PPCODE:	1988	PPCODE:
…		…
1757	}	2016	}
1758		2017
1759	void filter_json_single_key_object (JSON self, SV key, SV *cb = &PL_sv_undef)	2018	void filter_json_single_key_object (JSON self, SV key, SV *cb = &PL_sv_undef)
1760	PPCODE:	2019	PPCODE:
1761	{	2020	{
1762	if (!self->cb_sk_object)	2021	if (!self->cb_sk_object)
1763	self->cb_sk_object = newHV ();	2022	self->cb_sk_object = newHV ();
1764		2023
1765	if (SvOK (cb))	2024	if (SvOK (cb))
1766	hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0);	2025	hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0);
1767	else	2026	else
…		…
1778	XPUSHs (ST (0));	2037	XPUSHs (ST (0));
1779	}	2038	}
1780		2039
1781	void encode (JSON self, SV scalar)	2040	void encode (JSON self, SV scalar)
1782	PPCODE:	2041	PPCODE:
1783	XPUSHs (encode_json (scalar, self));	2042	PUTBACK; scalar = encode_json (scalar, self); SPAGAIN;
		2043	XPUSHs (scalar);
1784		2044
1785	void decode (JSON self, SV jsonstr)	2045	void decode (JSON self, SV jsonstr)
1786	PPCODE:	2046	PPCODE:
1787	XPUSHs (decode_json (jsonstr, self, 0));	2047	PUTBACK; jsonstr = decode_json (jsonstr, self, 0); SPAGAIN;
		2048	XPUSHs (jsonstr);
1788		2049
1789	void decode_prefix (JSON self, SV jsonstr)	2050	void decode_prefix (JSON self, SV jsonstr)
1790	PPCODE:	2051	PPCODE:
1791	{	2052	{
		2053	SV *sv;
1792	char *offset;	2054	char *offset;
		2055	PUTBACK; sv = decode_json (jsonstr, self, &offset); SPAGAIN;
1793	EXTEND (SP, 2);	2056	EXTEND (SP, 2);
1794	PUSHs (decode_json (jsonstr, self, &offset));	2057	PUSHs (sv);
1795	PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, offset))));	2058	PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, offset))));
1796	}	2059	}
1797		2060
1798	void incr_parse (JSON self, SV jsonstr = 0)	2061	void incr_parse (JSON self, SV jsonstr = 0)
1799	PPCODE:	2062	PPCODE:
1800	{	2063	{
1801	if (!self->incr_text)	2064	if (!self->incr_text)
1802	self->incr_text = newSVpvn ("", 0);	2065	self->incr_text = newSVpvn ("", 0);
		2066
		2067	/* if utf8-ness doesn't match the decoder, need to upgrade/downgrade */
		2068	if (!DECODE_WANTS_OCTETS (self) == !SvUTF8 (self->incr_text))
		2069	if (DECODE_WANTS_OCTETS (self))
		2070	{
		2071	if (self->incr_pos)
		2072	self->incr_pos = utf8_length ((U8 *)SvPVX (self->incr_text),
		2073	(U8 *)SvPVX (self->incr_text) + self->incr_pos);
		2074
		2075	sv_utf8_downgrade (self->incr_text, 0);
		2076	}
		2077	else
		2078	{
		2079	sv_utf8_upgrade (self->incr_text);
		2080
		2081	if (self->incr_pos)
		2082	self->incr_pos = utf8_hop ((U8 *)SvPVX (self->incr_text), self->incr_pos)
		2083	- (U8 *)SvPVX (self->incr_text);
		2084	}
1803		2085
1804	// append data, if any	2086	// append data, if any
1805	if (jsonstr)	2087	if (jsonstr)
1806	{	2088	{
		2089	/* make sure both strings have same encoding */
		2090	if (SvUTF8 (jsonstr) != SvUTF8 (self->incr_text))
1807	if (SvUTF8 (jsonstr))	2091	if (SvUTF8 (jsonstr))
		2092	sv_utf8_downgrade (jsonstr, 0);
1808	{	2093	else
1809	if (!SvUTF8 (self->incr_text))
1810	{
1811	/* utf-8-ness differs, need to upgrade */
1812	sv_utf8_upgrade (self->incr_text);
1813
1814	if (self->incr_pos)
1815	self->incr_pos = utf8_hop ((U8 *)SvPVX (self->incr_text), self->incr_pos)
1816	- (U8 *)SvPVX (self->incr_text);
1817	}
1818	}
1819	else if (SvUTF8 (self->incr_text))
1820	sv_utf8_upgrade (jsonstr);	2094	sv_utf8_upgrade (jsonstr);
1821		2095
		2096	/* and then just blindly append */
1822	{	2097	{
1823	STRLEN len;	2098	STRLEN len;
1824	const char *str = SvPV (jsonstr, len);	2099	const char *str = SvPV (jsonstr, len);
1825	STRLEN cur = SvCUR (self->incr_text);	2100	STRLEN cur = SvCUR (self->incr_text);
1826		2101
…		…
1834	}	2109	}
1835		2110
1836	if (GIMME_V != G_VOID)	2111	if (GIMME_V != G_VOID)
1837	do	2112	do
1838	{	2113	{
		2114	SV *sv;
1839	char *offset;	2115	char *offset;
1840		2116
1841	if (!INCR_DONE (self))	2117	if (!INCR_DONE (self))
1842	{	2118	{
1843	incr_parse (self);	2119	incr_parse (self);
…		…
1845	if (self->incr_pos > self->max_size && self->max_size)	2121	if (self->incr_pos > self->max_size && self->max_size)
1846	croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu",	2122	croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu",
1847	(unsigned long)self->incr_pos, (unsigned long)self->max_size);	2123	(unsigned long)self->incr_pos, (unsigned long)self->max_size);
1848		2124
1849	if (!INCR_DONE (self))	2125	if (!INCR_DONE (self))
		2126	{
		2127	// as an optimisation, do not accumulate white space in the incr buffer
		2128	if (self->incr_mode == INCR_M_WS && self->incr_pos)
		2129	{
		2130	self->incr_pos = 0;
		2131	SvCUR_set (self->incr_text, 0);
		2132	}
		2133
1850	break;	2134	break;
		2135	}
1851	}	2136	}
1852		2137
1853	XPUSHs (decode_json (self->incr_text, self, &offset));	2138	PUTBACK; sv = decode_json (self->incr_text, self, &offset); SPAGAIN;
		2139	XPUSHs (sv);
1854		2140
1855	self->incr_pos -= offset - SvPVX (self->incr_text);	2141	self->incr_pos -= offset - SvPVX (self->incr_text);
1856	self->incr_nest = 0;	2142	self->incr_nest = 0;
1857	self->incr_mode = 0;	2143	self->incr_mode = 0;
1858		2144
…		…
1902	SvREFCNT_dec (self->incr_text);	2188	SvREFCNT_dec (self->incr_text);
1903		2189
1904	PROTOTYPES: ENABLE	2190	PROTOTYPES: ENABLE
1905		2191
1906	void encode_json (SV *scalar)	2192	void encode_json (SV *scalar)
1907	ALIAS:
1908	to_json_ = 0
1909	encode_json = F_UTF8
1910	PPCODE:	2193	PPCODE:
1911	{	2194	{
1912	JSON json;	2195	JSON json;
1913	json_init (&json);	2196	json_init (&json);
1914	json.flags \|= ix;	2197	json.flags \|= F_UTF8;
1915	XPUSHs (encode_json (scalar, &json));	2198	PUTBACK; scalar = encode_json (scalar, &json); SPAGAIN;
		2199	XPUSHs (scalar);
1916	}	2200	}
1917		2201
1918	void decode_json (SV *jsonstr)	2202	void decode_json (SV *jsonstr)
1919	ALIAS:
1920	from_json_ = 0
1921	decode_json = F_UTF8
1922	PPCODE:	2203	PPCODE:
1923	{	2204	{
1924	JSON json;	2205	JSON json;
1925	json_init (&json);	2206	json_init (&json);
1926	json.flags \|= ix;	2207	json.flags \|= F_UTF8;
1927	XPUSHs (decode_json (jsonstr, &json, 0));	2208	PUTBACK; jsonstr = decode_json (jsonstr, &json, 0); SPAGAIN;
		2209	XPUSHs (jsonstr);
1928	}	2210	}
1929		2211
1930

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Comparing JSON-XS/XS.xs (file contents): Revision 1.100 by root, Sat Sep 5 23:00:56 2009 UTC vs. Revision 1.121 by root, Tue Oct 29 00:06:40 2013 UTC

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Comparing JSON-XS/XS.xs (file contents):
Revision 1.100 by root, Sat Sep 5 23:00:56 2009 UTC vs.
Revision 1.121 by root, Tue Oct 29 00:06:40 2013 UTC