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

Comparing JSON-XS/XS.xs (file contents):
Revision 1.84 by root, Thu Mar 27 06:37:35 2008 UTC vs.
Revision 1.128 by root, Fri Oct 7 05:18:48 2016 UTC

…		…
12	#if defined(__BORLANDC__) \|\| defined(_MSC_VER)	12	#if defined(__BORLANDC__) \|\| defined(_MSC_VER)
13	# define snprintf _snprintf // C compilers have this in stdio.h	13	# define snprintf _snprintf // C compilers have this in stdio.h
14	#endif	14	#endif
15		15
16	// some old perls do not have this, try to make it work, no	16	// some old perls do not have this, try to make it work, no
17	// guarentees, 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	// compatibility with perl <5.18
		23	#ifndef HvNAMELEN_get
		24	# define HvNAMELEN_get(hv) strlen (HvNAME (hv))
		25	#endif
		26	#ifndef HvNAMELEN
		27	# define HvNAMELEN(hv) HvNAMELEN_get (hv)
		28	#endif
		29	#ifndef HvNAMEUTF8
		30	# define HvNAMEUTF8(hv) 0
		31	#endif
		32
		33	// three extra for rounding, sign, and end of string
22	#define IVUV_MAXCHARS (sizeof (UV) * CHAR_BIT * 28 / 93 + 2)	34	#define IVUV_MAXCHARS (sizeof (UV) * CHAR_BIT * 28 / 93 + 3)
23		35
24	#define F_ASCII 0x00000001UL	36	#define F_ASCII 0x00000001UL
25	#define F_LATIN1 0x00000002UL	37	#define F_LATIN1 0x00000002UL
26	#define F_UTF8 0x00000004UL	38	#define F_UTF8 0x00000004UL
27	#define F_INDENT 0x00000008UL	39	#define F_INDENT 0x00000008UL
…		…
32	#define F_SHRINK 0x00000200UL	44	#define F_SHRINK 0x00000200UL
33	#define F_ALLOW_BLESSED 0x00000400UL	45	#define F_ALLOW_BLESSED 0x00000400UL
34	#define F_CONV_BLESSED 0x00000800UL	46	#define F_CONV_BLESSED 0x00000800UL
35	#define F_RELAXED 0x00001000UL	47	#define F_RELAXED 0x00001000UL
36	#define F_ALLOW_UNKNOWN 0x00002000UL	48	#define F_ALLOW_UNKNOWN 0x00002000UL
37		49	#define F_ALLOW_TAGS 0x00004000UL
38	#define F_MAXDEPTH 0xf8000000UL
39	#define S_MAXDEPTH 27
40	#define F_MAXSIZE 0x01f00000UL
41	#define S_MAXSIZE 20
42	#define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing	50	#define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing
43		51
44	#define DEC_DEPTH(flags) (1UL << ((flags & F_MAXDEPTH) >> S_MAXDEPTH))
45	#define DEC_SIZE(flags) (1UL << ((flags & F_MAXSIZE ) >> S_MAXSIZE ))
46
47	#define F_PRETTY F_INDENT \| F_SPACE_BEFORE \| F_SPACE_AFTER	52	#define F_PRETTY F_INDENT \| F_SPACE_BEFORE \| F_SPACE_AFTER
48	#define F_DEFAULT (9UL << S_MAXDEPTH)
49		53
50	#define INIT_SIZE 32 // initial scalar size to be allocated	54	#define INIT_SIZE 32 // initial scalar size to be allocated
51	#define INDENT_STEP 3 // spaces per indentation level	55	#define INDENT_STEP 3 // spaces per indentation level
52		56
53	#define SHORT_STRING_LEN 16384 // special-case strings of up to this size	57	#define SHORT_STRING_LEN 16384 // special-case strings of up to this size
		58
		59	#define DECODE_WANTS_OCTETS(json) ((json)->flags & F_UTF8)
54		60
55	#define SB do {	61	#define SB do {
56	#define SE } while (0)	62	#define SE } while (0)
57		63
58	#if __GNUC__ >= 3	64	#if __GNUC__ >= 3
…		…
68		74
69	#define IN_RANGE_INC(type,val,beg,end) \	75	#define IN_RANGE_INC(type,val,beg,end) \
70	((unsigned type)((unsigned type)(val) - (unsigned type)(beg)) \	76	((unsigned type)((unsigned type)(val) - (unsigned type)(beg)) \
71	<= (unsigned type)((unsigned type)(end) - (unsigned type)(beg)))	77	<= (unsigned type)((unsigned type)(end) - (unsigned type)(beg)))
72		78
		79	#define ERR_NESTING_EXCEEDED "json text or perl structure exceeds maximum nesting level (max_depth set too low?)"
		80
73	#ifdef USE_ITHREADS	81	#ifdef USE_ITHREADS
74	# define JSON_SLOW 1	82	# define JSON_SLOW 1
75	# define JSON_STASH (json_stash ? json_stash : gv_stashpv ("JSON::XS", 1))	83	# define JSON_STASH (json_stash ? json_stash : gv_stashpv ("JSON::XS", 1))
		84	# define BOOL_STASH (bool_stash ? bool_stash : gv_stashpv ("Types::Serialiser::Boolean", 1))
76	#else	85	#else
77	# define JSON_SLOW 0	86	# define JSON_SLOW 0
78	# define JSON_STASH json_stash	87	# define JSON_STASH json_stash
		88	# define BOOL_STASH bool_stash
79	#endif	89	#endif
80		90
81	static HV json_stash, json_boolean_stash; // JSON::XS::	91	// the amount of HEs to allocate on the stack, when sorting keys
82	static SV json_true, json_false;	92	#define STACK_HES 64
		93
		94	static HV json_stash, bool_stash; // JSON::XS::, Types::Serialiser::Boolean::
		95	static SV bool_true, bool_false, *sv_json;
83		96
84	enum {	97	enum {
85	INCR_M_WS = 0, // initial whitespace skipping, must be 0	98	INCR_M_WS = 0, // initial whitespace skipping, must be 0
86	INCR_M_STR, // inside string	99	INCR_M_STR, // inside string
87	INCR_M_BS, // inside backslash	100	INCR_M_BS, // inside backslash
		101	INCR_M_C0, // inside comment in initial whitespace sequence
		102	INCR_M_C1, // inside comment in other places
88	INCR_M_JSON // outside anything, count nesting	103	INCR_M_JSON // outside anything, count nesting
89	};	104	};
90		105
91	#define INCR_DONE(json) (!(json)->incr_nest && (json)->incr_mode == INCR_M_JSON)	106	#define INCR_DONE(json) ((json)->incr_nest <= 0 && (json)->incr_mode == INCR_M_JSON)
92		107
93	typedef struct {	108	typedef struct {
94	U32 flags;	109	U32 flags;
		110	U32 max_depth;
		111	STRLEN max_size;
		112
95	SV *cb_object;	113	SV *cb_object;
96	HV *cb_sk_object;	114	HV *cb_sk_object;
97		115
98	// for the incremental parser	116	// for the incremental parser
99	SV *incr_text; // the source text so far	117	SV *incr_text; // the source text so far
100	STRLEN incr_pos; // the current offset into the text	118	STRLEN incr_pos; // the current offset into the text
101	int incr_nest; // {[]}-nesting level	119	int incr_nest; // {[]}-nesting level
102	int incr_mode;	120	unsigned char incr_mode;
103	} JSON;	121	} JSON;
		122
		123	INLINE void
		124	json_init (JSON *json)
		125	{
		126	Zero (json, 1, JSON);
		127	json->max_depth = 512;
		128	}
104		129
105	/////////////////////////////////////////////////////////////////////////////	130	/////////////////////////////////////////////////////////////////////////////
106	// utility functions	131	// utility functions
107		132
108	INLINE SV *	133	INLINE SV *
…		…
118		143
119	INLINE void	144	INLINE void
120	shrink (SV *sv)	145	shrink (SV *sv)
121	{	146	{
122	sv_utf8_downgrade (sv, 1);	147	sv_utf8_downgrade (sv, 1);
		148
123	if (SvLEN (sv) > SvCUR (sv) + 1)	149	if (SvLEN (sv) > SvCUR (sv) + 1)
124	{	150	{
125	#ifdef SvPV_shrink_to_cur	151	#ifdef SvPV_shrink_to_cur
126	SvPV_shrink_to_cur (sv);	152	SvPV_shrink_to_cur (sv);
127	#elif defined (SvPV_renew)	153	#elif defined (SvPV_renew)
…		…
171	*s++ = 0x80 \| ( ch & 0x3f);	197	*s++ = 0x80 \| ( ch & 0x3f);
172		198
173	return s;	199	return s;
174	}	200	}
175		201
		202	// convert offset pointer to character index, sv must be string
		203	static STRLEN
		204	ptr_to_index (SV sv, char offset)
		205	{
		206	return SvUTF8 (sv)
		207	? utf8_distance (offset, SvPVX (sv))
		208	: offset - SvPVX (sv);
		209	}
		210
		211	/////////////////////////////////////////////////////////////////////////////
		212	// fp hell
		213
		214	// scan a group of digits, and a trailing exponent
		215	static void
		216	json_atof_scan1 (const char s, NV accum, int *expo, int postdp, int maxdepth)
		217	{
		218	UV uaccum = 0;
		219	int eaccum = 0;
		220
		221	// if we recurse too deep, skip all remaining digits
		222	// to avoid a stack overflow attack
		223	if (expect_false (--maxdepth <= 0))
		224	while (((U8)*s - '0') < 10)
		225	++s;
		226
		227	for (;;)
		228	{
		229	U8 dig = (U8)*s - '0';
		230
		231	if (expect_false (dig >= 10))
		232	{
		233	if (dig == (U8)((U8)'.' - (U8)'0'))
		234	{
		235	++s;
		236	json_atof_scan1 (s, accum, expo, 1, maxdepth);
		237	}
		238	else if ((dig \| ' ') == 'e' - '0')
		239	{
		240	int exp2 = 0;
		241	int neg = 0;
		242
		243	++s;
		244
		245	if (*s == '-')
		246	{
		247	++s;
		248	neg = 1;
		249	}
		250	else if (*s == '+')
		251	++s;
		252
		253	while ((dig = (U8)*s - '0') < 10)
		254	exp2 = exp2 * 10 + *s++ - '0';
		255
		256	*expo += neg ? -exp2 : exp2;
		257	}
		258
		259	break;
		260	}
		261
		262	++s;
		263
		264	uaccum = uaccum * 10 + dig;
		265	++eaccum;
		266
		267	// if we have too many digits, then recurse for more
		268	// we actually do this for rather few digits
		269	if (uaccum >= (UV_MAX - 9) / 10)
		270	{
		271	if (postdp) *expo -= eaccum;
		272	json_atof_scan1 (s, accum, expo, postdp, maxdepth);
		273	if (postdp) *expo += eaccum;
		274
		275	break;
		276	}
		277	}
		278
		279	// this relies greatly on the quality of the pow ()
		280	// implementation of the platform, but a good
		281	// implementation is hard to beat.
		282	// (IEEE 754 conformant ones are required to be exact)
		283	if (postdp) *expo -= eaccum;
		284	accum += uaccum Perl_pow (10., *expo);
		285	*expo += eaccum;
		286	}
		287
		288	static NV
		289	json_atof (const char *s)
		290	{
		291	NV accum = 0.;
		292	int expo = 0;
		293	int neg = 0;
		294
		295	if (*s == '-')
		296	{
		297	++s;
		298	neg = 1;
		299	}
		300
		301	// a recursion depth of ten gives us >>500 bits
		302	json_atof_scan1 (s, &accum, &expo, 0, 10);
		303
		304	return neg ? -accum : accum;
		305	}
		306
		307	// target of scalar reference is bool? -1 == nope, 0 == false, 1 == true
		308	static int
		309	ref_bool_type (SV *sv)
		310	{
		311	svtype svt = SvTYPE (sv);
		312
		313	if (svt < SVt_PVAV)
		314	{
		315	STRLEN len = 0;
		316	char *pv = svt ? SvPV (sv, len) : 0;
		317
		318	if (len == 1)
		319	if (*pv == '1')
		320	return 1;
		321	else if (*pv == '0')
		322	return 0;
		323	}
		324
		325	return -1;
		326	}
		327
		328	// returns whether scalar is not a reference in the sense of allow_nonref
		329	static int
		330	json_nonref (SV *scalar)
		331	{
		332	if (!SvROK (scalar))
		333	return 1;
		334
		335	scalar = SvRV (scalar);
		336
		337	if (SvTYPE (scalar) >= SVt_PVMG)
		338	{
		339	if (SvSTASH (scalar) == bool_stash)
		340	return 1;
		341
		342	if (!SvOBJECT (scalar) && ref_bool_type (scalar) >= 0)
		343	return 1;
		344	}
		345
		346	return 0;
		347	}
		348
176	/////////////////////////////////////////////////////////////////////////////	349	/////////////////////////////////////////////////////////////////////////////
177	// encoder	350	// encoder
178		351
179	// structure used for encoding JSON	352	// structure used for encoding JSON
180	typedef struct	353	typedef struct
…		…
182	char *cur; // SvPVX (sv) + current output position	355	char *cur; // SvPVX (sv) + current output position
183	char *end; // SvEND (sv)	356	char *end; // SvEND (sv)
184	SV *sv; // result scalar	357	SV *sv; // result scalar
185	JSON json;	358	JSON json;
186	U32 indent; // indentation level	359	U32 indent; // indentation level
187	U32 maxdepth; // max. indentation/recursion level
188	UV limit; // escape character values >= this value when encoding	360	UV limit; // escape character values >= this value when encoding
189	} enc_t;	361	} enc_t;
190		362
191	INLINE void	363	INLINE void
192	need (enc_t *enc, STRLEN len)	364	need (enc_t *enc, STRLEN len)
193	{	365	{
194	if (expect_false (enc->cur + len >= enc->end))	366	if (expect_false (enc->cur + len >= enc->end))
195	{	367	{
196	STRLEN cur = enc->cur - SvPVX (enc->sv);	368	STRLEN cur = enc->cur - (char *)SvPVX (enc->sv);
197	SvGROW (enc->sv, cur + len + 1);	369	SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1);
198	enc->cur = SvPVX (enc->sv) + cur;	370	enc->cur = SvPVX (enc->sv) + cur;
199	enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1;	371	enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1;
200	}	372	}
201	}	373	}
202		374
…		…
277	(int)((uch - 0x10000) % 0x400 + 0xDC00));	449	(int)((uch - 0x10000) % 0x400 + 0xDC00));
278	enc->cur += 12;	450	enc->cur += 12;
279	}	451	}
280	else	452	else
281	{	453	{
282	static char hexdigit [16] = "0123456789abcdef";
283	need (enc, len += 5);	454	need (enc, len += 5);
284	*enc->cur++ = '\\';	455	*enc->cur++ = '\\';
285	*enc->cur++ = 'u';	456	*enc->cur++ = 'u';
286	*enc->cur++ = hexdigit [ uch >> 12 ];	457	*enc->cur++ = PL_hexdigit [ uch >> 12 ];
287	*enc->cur++ = hexdigit [(uch >> 8) & 15];	458	*enc->cur++ = PL_hexdigit [(uch >> 8) & 15];
288	*enc->cur++ = hexdigit [(uch >> 4) & 15];	459	*enc->cur++ = PL_hexdigit [(uch >> 4) & 15];
289	*enc->cur++ = hexdigit [(uch >> 0) & 15];	460	*enc->cur++ = PL_hexdigit [(uch >> 0) & 15];
290	}	461	}
291		462
292	str += clen;	463	str += clen;
293	}	464	}
294	else if (enc->json.flags & F_LATIN1)	465	else if (enc->json.flags & F_LATIN1)
…		…
365	static void	536	static void
366	encode_av (enc_t enc, AV av)	537	encode_av (enc_t enc, AV av)
367	{	538	{
368	int i, len = av_len (av);	539	int i, len = av_len (av);
369		540
370	if (enc->indent >= enc->maxdepth)	541	if (enc->indent >= enc->json.max_depth)
371	croak ("data structure too deep (hit recursion limit)");	542	croak (ERR_NESTING_EXCEEDED);
372		543
373	encode_ch (enc, '[');	544	encode_ch (enc, '[');
374		545
375	if (len >= 0)	546	if (len >= 0)
376	{	547	{
377	encode_nl (enc); ++enc->indent;	548	encode_nl (enc); ++enc->indent;
378		549
379	for (i = 0; i <= len; ++i)	550	for (i = 0; i <= len; ++i)
…		…
391	encode_comma (enc);	562	encode_comma (enc);
392	}	563	}
393		564
394	encode_nl (enc); --enc->indent; encode_indent (enc);	565	encode_nl (enc); --enc->indent; encode_indent (enc);
395	}	566	}
396		567
397	encode_ch (enc, ']');	568	encode_ch (enc, ']');
398	}	569	}
399		570
400	static void	571	static void
401	encode_hk (enc_t enc, HE he)	572	encode_hk (enc_t enc, HE he)
…		…
405	if (HeKLEN (he) == HEf_SVKEY)	576	if (HeKLEN (he) == HEf_SVKEY)
406	{	577	{
407	SV *sv = HeSVKEY (he);	578	SV *sv = HeSVKEY (he);
408	STRLEN len;	579	STRLEN len;
409	char *str;	580	char *str;
410		581
411	SvGETMAGIC (sv);	582	SvGETMAGIC (sv);
412	str = SvPV (sv, len);	583	str = SvPV (sv, len);
413		584
414	encode_str (enc, str, len, SvUTF8 (sv));	585	encode_str (enc, str, len, SvUTF8 (sv));
415	}	586	}
…		…
451	static void	622	static void
452	encode_hv (enc_t enc, HV hv)	623	encode_hv (enc_t enc, HV hv)
453	{	624	{
454	HE *he;	625	HE *he;
455		626
456	if (enc->indent >= enc->maxdepth)	627	if (enc->indent >= enc->json.max_depth)
457	croak ("data structure too deep (hit recursion limit)");	628	croak (ERR_NESTING_EXCEEDED);
458		629
459	encode_ch (enc, '{');	630	encode_ch (enc, '{');
460		631
461	// for canonical output we have to sort by keys first	632	// for canonical output we have to sort by keys first
462	// actually, this is mostly due to the stupid so-called	633	// actually, this is mostly due to the stupid so-called
463	// security workaround added somewhere in 5.8.x.	634	// security workaround added somewhere in 5.8.x
464	// that randomises hash orderings	635	// that randomises hash orderings
465	if (enc->json.flags & F_CANONICAL)	636	if (enc->json.flags & F_CANONICAL && !SvRMAGICAL (hv))
466	{	637	{
467	int count = hv_iterinit (hv);	638	int count = hv_iterinit (hv);
468		639
469	if (SvMAGICAL (hv))	640	if (SvMAGICAL (hv))
470	{	641	{
…		…
481	}	652	}
482		653
483	if (count)	654	if (count)
484	{	655	{
485	int i, fast = 1;	656	int i, fast = 1;
486	#if defined(__BORLANDC__) \|\| defined(_MSC_VER)	657	HE *hes_stack [STACK_HES];
487	HE *hes = _alloca (count sizeof (HE));	658	HE **hes = hes_stack;
488	#else	659
489	HE *hes [count]; // if your compiler dies here, you need to enable C99 mode	660	// allocate larger arrays on the heap
490	#endif	661	if (count > STACK_HES)
		662	{
		663	SV sv = sv_2mortal (NEWSV (0, count sizeof (*hes)));
		664	hes = (HE **)SvPVX (sv);
		665	}
491		666
492	i = 0;	667	i = 0;
493	while ((he = hv_iternext (hv)))	668	while ((he = hv_iternext (hv)))
494	{	669	{
495	hes [i++] = he;	670	hes [i++] = he;
…		…
564	// encode objects, arrays and special \0=false and \1=true values.	739	// encode objects, arrays and special \0=false and \1=true values.
565	static void	740	static void
566	encode_rv (enc_t enc, SV sv)	741	encode_rv (enc_t enc, SV sv)
567	{	742	{
568	svtype svt;	743	svtype svt;
		744	GV *method;
569		745
570	SvGETMAGIC (sv);	746	SvGETMAGIC (sv);
571	svt = SvTYPE (sv);	747	svt = SvTYPE (sv);
572		748
573	if (expect_false (SvOBJECT (sv)))	749	if (expect_false (SvOBJECT (sv)))
574	{	750	{
575	HV *stash = !JSON_SLOW \|\| json_boolean_stash	751	HV *stash = SvSTASH (sv);
576	? json_boolean_stash
577	: gv_stashpv ("JSON::XS::Boolean", 1);
578		752
579	if (SvSTASH (sv) == stash)	753	if (stash == bool_stash)
580	{	754	{
581	if (SvIV (sv))	755	if (SvIV (sv))
582	encode_str (enc, "true", 4, 0);	756	encode_str (enc, "true", 4, 0);
583	else	757	else
584	encode_str (enc, "false", 5, 0);	758	encode_str (enc, "false", 5, 0);
585	}	759	}
		760	else if ((enc->json.flags & F_ALLOW_TAGS) && (method = gv_fetchmethod_autoload (stash, "FREEZE", 0)))
		761	{
		762	int count;
		763	dSP;
		764
		765	ENTER; SAVETMPS;
		766	SAVESTACK_POS ();
		767	PUSHMARK (SP);
		768	EXTEND (SP, 2);
		769	// we re-bless the reference to get overload and other niceties right
		770	PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
		771	PUSHs (sv_json);
		772
		773	PUTBACK;
		774	count = call_sv ((SV *)GvCV (method), G_ARRAY);
		775	SPAGAIN;
		776
		777	// catch this surprisingly common error
		778	if (SvROK (TOPs) && SvRV (TOPs) == sv)
		779	croak ("%s::FREEZE method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv)));
		780
		781	encode_ch (enc, '(');
		782	encode_ch (enc, '"');
		783	encode_str (enc, HvNAME (stash), HvNAMELEN (stash), HvNAMEUTF8 (stash));
		784	encode_ch (enc, '"');
		785	encode_ch (enc, ')');
		786	encode_ch (enc, '[');
		787
		788	while (count)
		789	{
		790	encode_sv (enc, SP[1 - count--]);
		791
		792	if (count)
		793	encode_ch (enc, ',');
		794	}
		795
		796	encode_ch (enc, ']');
		797
		798	FREETMPS; LEAVE;
		799	}
		800	else if ((enc->json.flags & F_CONV_BLESSED) && (method = gv_fetchmethod_autoload (stash, "TO_JSON", 0)))
		801	{
		802	dSP;
		803
		804	ENTER; SAVETMPS;
		805	PUSHMARK (SP);
		806	// we re-bless the reference to get overload and other niceties right
		807	XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
		808
		809	// calling with G_SCALAR ensures that we always get a 1 return value
		810	PUTBACK;
		811	call_sv ((SV *)GvCV (method), G_SCALAR);
		812	SPAGAIN;
		813
		814	// catch this surprisingly common error
		815	if (SvROK (TOPs) && SvRV (TOPs) == sv)
		816	croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv)));
		817
		818	sv = POPs;
		819	PUTBACK;
		820
		821	encode_sv (enc, sv);
		822
		823	FREETMPS; LEAVE;
		824	}
		825	else if (enc->json.flags & F_ALLOW_BLESSED)
		826	encode_str (enc, "null", 4, 0);
586	else	827	else
587	{
588	#if 0
589	if (0 && sv_derived_from (rv, "JSON::Literal"))
590	{
591	// not yet
592	}
593	#endif
594	if (enc->json.flags & F_CONV_BLESSED)
595	{
596	// we re-bless the reference to get overload and other niceties right
597	GV *to_json = gv_fetchmethod_autoload (SvSTASH (sv), "TO_JSON", 0);
598
599	if (to_json)
600	{
601	dSP;
602
603	ENTER; SAVETMPS; PUSHMARK (SP);
604	XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv)));
605
606	// calling with G_SCALAR ensures that we always get a 1 return value
607	PUTBACK;
608	call_sv ((SV *)GvCV (to_json), G_SCALAR);
609	SPAGAIN;
610
611	// catch this surprisingly common error
612	if (SvROK (TOPs) && SvRV (TOPs) == sv)
613	croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv)));
614
615	sv = POPs;
616	PUTBACK;
617
618	encode_sv (enc, sv);
619
620	FREETMPS; LEAVE;
621	}
622	else if (enc->json.flags & F_ALLOW_BLESSED)
623	encode_str (enc, "null", 4, 0);
624	else
625	croak ("encountered object '%s', but neither allow_blessed enabled nor TO_JSON method available on it",
626	SvPV_nolen (sv_2mortal (newRV_inc (sv))));
627	}
628	else if (enc->json.flags & F_ALLOW_BLESSED)
629	encode_str (enc, "null", 4, 0);
630	else
631	croak ("encountered object '%s', but neither allow_blessed nor convert_blessed settings are enabled",	828	croak ("encountered object '%s', but neither allow_blessed, convert_blessed nor allow_tags settings are enabled (or TO_JSON/FREEZE method missing)",
632	SvPV_nolen (sv_2mortal (newRV_inc (sv))));	829	SvPV_nolen (sv_2mortal (newRV_inc (sv))));
633	}
634	}	830	}
635	else if (svt == SVt_PVHV)	831	else if (svt == SVt_PVHV)
636	encode_hv (enc, (HV *)sv);	832	encode_hv (enc, (HV *)sv);
637	else if (svt == SVt_PVAV)	833	else if (svt == SVt_PVAV)
638	encode_av (enc, (AV *)sv);	834	encode_av (enc, (AV *)sv);
639	else if (svt < SVt_PVAV)	835	else if (svt < SVt_PVAV)
640	{	836	{
641	STRLEN len = 0;	837	int bool_type = ref_bool_type (sv);
642	char *pv = svt ? SvPV (sv, len) : 0;
643		838
644	if (len == 1 && *pv == '1')	839	if (bool_type == 1)
645	encode_str (enc, "true", 4, 0);	840	encode_str (enc, "true", 4, 0);
646	else if (len == 1 && *pv == '0')	841	else if (bool_type == 0)
647	encode_str (enc, "false", 5, 0);	842	encode_str (enc, "false", 5, 0);
648	else if (enc->json.flags & F_ALLOW_UNKNOWN)	843	else if (enc->json.flags & F_ALLOW_UNKNOWN)
649	encode_str (enc, "null", 4, 0);	844	encode_str (enc, "null", 4, 0);
650	else	845	else
651	croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1",	846	croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1",
…		…
714	}	909	}
715	else	910	else
716	{	911	{
717	// large integer, use the (rather slow) snprintf way.	912	// large integer, use the (rather slow) snprintf way.
718	need (enc, IVUV_MAXCHARS);	913	need (enc, IVUV_MAXCHARS);
719	enc->cur +=	914	enc->cur +=
720	SvIsUV(sv)	915	SvIsUV(sv)
721	? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv))	916	? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv))
722	: snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv));	917	: snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv));
723	}	918	}
724	}	919	}
725	else if (SvROK (sv))	920	else if (SvROK (sv))
726	encode_rv (enc, SvRV (sv));	921	encode_rv (enc, SvRV (sv));
727	else if (!SvOK (sv) \|\| enc->json.flags & F_ALLOW_UNKNOWN)	922	else if (!SvOK (sv) \|\| enc->json.flags & F_ALLOW_UNKNOWN)
728	encode_str (enc, "null", 4, 0);	923	encode_str (enc, "null", 4, 0);
729	else	924	else
730	croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this",	925	croak ("encountered perl type (%s,0x%x) that JSON cannot handle, check your input data",
731	SvPV_nolen (sv), SvFLAGS (sv));	926	SvPV_nolen (sv), (unsigned int)SvFLAGS (sv));
732	}	927	}
733		928
734	static SV *	929	static SV *
735	encode_json (SV scalar, JSON json)	930	encode_json (SV scalar, JSON json)
736	{	931	{
737	enc_t enc;	932	enc_t enc;
738		933
739	if (!(json->flags & F_ALLOW_NONREF) && !SvROK (scalar))	934	if (!(json->flags & F_ALLOW_NONREF) && json_nonref (scalar))
740	croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)");	935	croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)");
741		936
742	enc.json = *json;	937	enc.json = *json;
743	enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE));	938	enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE));
744	enc.cur = SvPVX (enc.sv);	939	enc.cur = SvPVX (enc.sv);
745	enc.end = SvEND (enc.sv);	940	enc.end = SvEND (enc.sv);
746	enc.indent = 0;	941	enc.indent = 0;
747	enc.maxdepth = DEC_DEPTH (enc.json.flags);
748	enc.limit = enc.json.flags & F_ASCII ? 0x000080UL	942	enc.limit = enc.json.flags & F_ASCII ? 0x000080UL
749	: enc.json.flags & F_LATIN1 ? 0x000100UL	943	: enc.json.flags & F_LATIN1 ? 0x000100UL
750	: 0x110000UL;	944	: 0x110000UL;
751		945
752	SvPOK_only (enc.sv);	946	SvPOK_only (enc.sv);
753	encode_sv (&enc, scalar);	947	encode_sv (&enc, scalar);
		948	encode_nl (&enc);
754		949
755	SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv));	950	SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv));
756	*SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings	951	*SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings
757		952
758	if (!(enc.json.flags & (F_ASCII \| F_LATIN1 \| F_UTF8)))	953	if (!(enc.json.flags & (F_ASCII \| F_LATIN1 \| F_UTF8)))
…		…
819	if (*dec->cur != ch) \	1014	if (*dec->cur != ch) \
820	ERR (# ch " expected"); \	1015	ERR (# ch " expected"); \
821	++dec->cur; \	1016	++dec->cur; \
822	SE	1017	SE
823		1018
824	#define DEC_INC_DEPTH if (++dec->depth > dec->maxdepth) ERR ("json datastructure exceeds maximum nesting level (set a higher max_depth)")	1019	#define DEC_INC_DEPTH if (++dec->depth > dec->json.max_depth) ERR (ERR_NESTING_EXCEEDED)
825	#define DEC_DEC_DEPTH --dec->depth	1020	#define DEC_DEC_DEPTH --dec->depth
826		1021
827	static SV decode_sv (dec_t dec);	1022	static SV decode_sv (dec_t dec);
828		1023
829	static signed char decode_hexdigit[256];	1024	static signed char decode_hexdigit[256];
…		…
938	else if (expect_true (ch >= 0x20 && ch < 0x80))	1133	else if (expect_true (ch >= 0x20 && ch < 0x80))
939	*cur++ = ch;	1134	*cur++ = ch;
940	else if (ch >= 0x80)	1135	else if (ch >= 0x80)
941	{	1136	{
942	STRLEN clen;	1137	STRLEN clen;
943	UV uch;
944		1138
945	--dec_cur;	1139	--dec_cur;
946		1140
947	uch = decode_utf8 (dec_cur, dec->end - dec_cur, &clen);	1141	decode_utf8 (dec_cur, dec->end - dec_cur, &clen);
948	if (clen == (STRLEN)-1)	1142	if (clen == (STRLEN)-1)
949	ERR ("malformed UTF-8 character in JSON string");	1143	ERR ("malformed UTF-8 character in JSON string");
950		1144
951	do	1145	do
952	cur++ = dec_cur++;	1146	cur++ = dec_cur++;
953	while (--clen);	1147	while (--clen);
954		1148
955	utf8 = 1;	1149	utf8 = 1;
956	}	1150	}
		1151	else if (ch == '\t' && dec->json.flags & F_RELAXED)
		1152	*cur++ = ch;
957	else	1153	else
958	{	1154	{
959	--dec_cur;	1155	--dec_cur;
960		1156
961	if (!ch)	1157	if (!ch)
…		…
969	{	1165	{
970	STRLEN len = cur - buf;	1166	STRLEN len = cur - buf;
971		1167
972	if (sv)	1168	if (sv)
973	{	1169	{
974	SvGROW (sv, SvCUR (sv) + len + 1);	1170	STRLEN cur = SvCUR (sv);
		1171
		1172	if (SvLEN (sv) <= cur + len)
		1173	SvGROW (sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1);
		1174
975	memcpy (SvPVX (sv) + SvCUR (sv), buf, len);	1175	memcpy (SvPVX (sv) + SvCUR (sv), buf, len);
976	SvCUR_set (sv, SvCUR (sv) + len);	1176	SvCUR_set (sv, SvCUR (sv) + len);
977	}	1177	}
978	else	1178	else
979	sv = newSVpvn (buf, len);	1179	sv = newSVpvn (buf, len);
…		…
1070		1270
1071	// special case the rather common 1..5-digit-int case	1271	// special case the rather common 1..5-digit-int case
1072	if (*start == '-')	1272	if (*start == '-')
1073	switch (len)	1273	switch (len)
1074	{	1274	{
1075	case 2: return newSViv (-( start [1] - '0' * 1));	1275	case 2: return newSViv (-(IV)( start [1] - '0' * 1));
1076	case 3: return newSViv (-( start [1] * 10 + start [2] - '0' * 11));	1276	case 3: return newSViv (-(IV)( start [1] * 10 + start [2] - '0' * 11));
1077	case 4: return newSViv (-( start [1] * 100 + start [2] * 10 + start [3] - '0' * 111));	1277	case 4: return newSViv (-(IV)( start [1] * 100 + start [2] * 10 + start [3] - '0' * 111));
1078	case 5: return newSViv (-( start [1] * 1000 + start [2] * 100 + start [3] * 10 + start [4] - '0' * 1111));	1278	case 5: return newSViv (-(IV)( start [1] * 1000 + start [2] * 100 + start [3] * 10 + start [4] - '0' * 1111));
1079	case 6: return newSViv (-(start [1] * 10000 + start [2] * 1000 + start [3] * 100 + start [4] * 10 + start [5] - '0' * 11111));	1279	case 6: return newSViv (-(IV)(start [1] * 10000 + start [2] * 1000 + start [3] * 100 + start [4] * 10 + start [5] - '0' * 11111));
1080	}	1280	}
1081	else	1281	else
1082	switch (len)	1282	switch (len)
1083	{	1283	{
1084	case 1: return newSViv ( start [0] - '0' * 1);	1284	case 1: return newSViv ( start [0] - '0' * 1);
1085	case 2: return newSViv ( start [0] * 10 + start [1] - '0' * 11);	1285	case 2: return newSViv ( start [0] * 10 + start [1] - '0' * 11);
1086	case 3: return newSViv ( start [0] * 100 + start [1] * 10 + start [2] - '0' * 111);	1286	case 3: return newSViv ( start [0] * 100 + start [1] * 10 + start [2] - '0' * 111);
1087	case 4: return newSViv ( start [0] * 1000 + start [1] * 100 + start [2] * 10 + start [3] - '0' * 1111);	1287	case 4: return newSViv ( start [0] * 1000 + start [1] * 100 + start [2] * 10 + start [3] - '0' * 1111);
1088	case 5: return newSViv ( start [0] * 10000 + start [1] * 1000 + start [2] * 100 + start [3] * 10 + start [4] - '0' * 11111);	1288	case 5: return newSViv ( start [0] * 10000 + start [1] * 1000 + start [2] * 100 + start [3] * 10 + start [4] - '0' * 11111);
1089	}	1289	}
1090		1290
1091	{	1291	{
1092	UV uv;	1292	UV uv;
1093	int numtype = grok_number (start, len, &uv);	1293	int numtype = grok_number (start, len, &uv);
…		…
1102	}	1302	}
1103		1303
1104	len -= *start == '-' ? 1 : 0;	1304	len -= *start == '-' ? 1 : 0;
1105		1305
1106	// does not fit into IV or UV, try NV	1306	// does not fit into IV or UV, try NV
1107	if ((sizeof (NV) == sizeof (double) && DBL_DIG >= len)	1307	if (len <= NV_DIG)
1108	#if defined (LDBL_DIG)
1109	\|\| (sizeof (NV) == sizeof (long double) && LDBL_DIG >= len)
1110	#endif
1111	)
1112	// fits into NV without loss of precision	1308	// fits into NV without loss of precision
1113	return newSVnv (Atof (start));	1309	return newSVnv (json_atof (start));
1114		1310
1115	// everything else fails, convert it to a string	1311	// everything else fails, convert it to a string
1116	return newSVpvn (start, dec->cur - start);	1312	return newSVpvn (start, dec->cur - start);
1117	}	1313	}
1118		1314
1119	// loss of precision here	1315	// loss of precision here
1120	return newSVnv (Atof (start));	1316	return newSVnv (json_atof (start));
1121		1317
1122	fail:	1318	fail:
1123	return 0;	1319	return 0;
1124	}	1320	}
1125		1321
…		…
1149	if (*dec->cur == ']')	1345	if (*dec->cur == ']')
1150	{	1346	{
1151	++dec->cur;	1347	++dec->cur;
1152	break;	1348	break;
1153	}	1349	}
1154		1350
1155	if (*dec->cur != ',')	1351	if (*dec->cur != ',')
1156	ERR (", or ] expected while parsing array");	1352	ERR (", or ] expected while parsing array");
1157		1353
1158	++dec->cur;	1354	++dec->cur;
1159		1355
…		…
1283		1479
1284	hv_iterinit (hv);	1480	hv_iterinit (hv);
1285	he = hv_iternext (hv);	1481	he = hv_iternext (hv);
1286	hv_iterinit (hv);	1482	hv_iterinit (hv);
1287		1483
1288	// the next line creates a mortal sv each time its called.	1484	// the next line creates a mortal sv each time it's called.
1289	// might want to optimise this for common cases.	1485	// might want to optimise this for common cases.
1290	cb = hv_fetch_ent (dec->json.cb_sk_object, hv_iterkeysv (he), 0, 0);	1486	cb = hv_fetch_ent (dec->json.cb_sk_object, hv_iterkeysv (he), 0, 0);
1291		1487
1292	if (cb)	1488	if (cb)
1293	{	1489	{
1294	dSP;	1490	dSP;
1295	int count;	1491	int count;
1296		1492
1297	ENTER; SAVETMPS; PUSHMARK (SP);	1493	ENTER; SAVETMPS;
		1494	SAVESTACK_POS ();
		1495	PUSHMARK (SP);
1298	XPUSHs (HeVAL (he));	1496	XPUSHs (HeVAL (he));
		1497	sv_2mortal (sv);
1299		1498
1300	PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN;	1499	PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN;
1301		1500
1302	if (count == 1)	1501	if (count == 1)
1303	{	1502	{
1304	sv = newSVsv (POPs);	1503	sv = newSVsv (POPs);
1305	FREETMPS; LEAVE;	1504	FREETMPS; LEAVE;
1306	return sv;	1505	return sv;
1307	}	1506	}
1308		1507
		1508	SvREFCNT_inc (sv);
1309	FREETMPS; LEAVE;	1509	FREETMPS; LEAVE;
1310	}	1510	}
1311	}	1511	}
1312		1512
1313	if (dec->json.cb_object)	1513	if (dec->json.cb_object)
1314	{	1514	{
1315	dSP;	1515	dSP;
1316	int count;	1516	int count;
1317		1517
1318	ENTER; SAVETMPS; PUSHMARK (SP);	1518	ENTER; SAVETMPS;
		1519	SAVESTACK_POS ();
		1520	PUSHMARK (SP);
1319	XPUSHs (sv_2mortal (sv));	1521	XPUSHs (sv_2mortal (sv));
1320		1522
1321	PUTBACK; count = call_sv (dec->json.cb_object, G_ARRAY); SPAGAIN;	1523	PUTBACK; count = call_sv (dec->json.cb_object, G_ARRAY); SPAGAIN;
1322		1524
1323	if (count == 1)	1525	if (count == 1)
…		…
1339	DEC_DEC_DEPTH;	1541	DEC_DEC_DEPTH;
1340	return 0;	1542	return 0;
1341	}	1543	}
1342		1544
1343	static SV *	1545	static SV *
		1546	decode_tag (dec_t *dec)
		1547	{
		1548	SV *tag = 0;
		1549	SV *val = 0;
		1550
		1551	if (!(dec->json.flags & F_ALLOW_TAGS))
		1552	ERR ("malformed JSON string, neither array, object, number, string or atom");
		1553
		1554	++dec->cur;
		1555
		1556	decode_ws (dec);
		1557
		1558	tag = decode_sv (dec);
		1559	if (!tag)
		1560	goto fail;
		1561
		1562	if (!SvPOK (tag))
		1563	ERR ("malformed JSON string, (tag) must be a string");
		1564
		1565	decode_ws (dec);
		1566
		1567	if (*dec->cur != ')')
		1568	ERR (") expected after tag");
		1569
		1570	++dec->cur;
		1571
		1572	decode_ws (dec);
		1573
		1574	val = decode_sv (dec);
		1575	if (!val)
		1576	goto fail;
		1577
		1578	if (!SvROK (val) \|\| SvTYPE (SvRV (val)) != SVt_PVAV)
		1579	ERR ("malformed JSON string, tag value must be an array");
		1580
		1581	{
		1582	AV av = (AV )SvRV (val);
		1583	int i, len = av_len (av) + 1;
		1584	HV *stash = gv_stashsv (tag, 0);
		1585	SV *sv;
		1586
		1587	if (!stash)
		1588	ERR ("cannot decode perl-object (package does not exist)");
		1589
		1590	GV *method = gv_fetchmethod_autoload (stash, "THAW", 0);
		1591
		1592	if (!method)
		1593	ERR ("cannot decode perl-object (package does not have a THAW method)");
		1594
		1595	dSP;
		1596
		1597	ENTER; SAVETMPS;
		1598	PUSHMARK (SP);
		1599	EXTEND (SP, len + 2);
		1600	// we re-bless the reference to get overload and other niceties right
		1601	PUSHs (tag);
		1602	PUSHs (sv_json);
		1603
		1604	for (i = 0; i < len; ++i)
		1605	PUSHs (*av_fetch (av, i, 1));
		1606
		1607	PUTBACK;
		1608	call_sv ((SV *)GvCV (method), G_SCALAR);
		1609	SPAGAIN;
		1610
		1611	SvREFCNT_dec (tag);
		1612	SvREFCNT_dec (val);
		1613	sv = SvREFCNT_inc (POPs);
		1614
		1615	PUTBACK;
		1616
		1617	FREETMPS; LEAVE;
		1618
		1619	return sv;
		1620	}
		1621
		1622	fail:
		1623	SvREFCNT_dec (tag);
		1624	SvREFCNT_dec (val);
		1625	return 0;
		1626	}
		1627
		1628	static SV *
1344	decode_sv (dec_t *dec)	1629	decode_sv (dec_t *dec)
1345	{	1630	{
1346	// the beauty of JSON: you need exactly one character lookahead	1631	// the beauty of JSON: you need exactly one character lookahead
1347	// to parse everything.	1632	// to parse everything.
1348	switch (*dec->cur)	1633	switch (*dec->cur)
1349	{	1634	{
1350	case '"': ++dec->cur; return decode_str (dec);	1635	case '"': ++dec->cur; return decode_str (dec);
1351	case '[': ++dec->cur; return decode_av (dec);	1636	case '[': ++dec->cur; return decode_av (dec);
1352	case '{': ++dec->cur; return decode_hv (dec);	1637	case '{': ++dec->cur; return decode_hv (dec);
		1638	case '(': return decode_tag (dec);
1353		1639
1354	case '-':	1640	case '-':
1355	case '0': case '1': case '2': case '3': case '4':	1641	case '0': case '1': case '2': case '3': case '4':
1356	case '5': case '6': case '7': case '8': case '9':	1642	case '5': case '6': case '7': case '8': case '9':
1357	return decode_num (dec);	1643	return decode_num (dec);
…		…
1359	case 't':	1645	case 't':
1360	if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4))	1646	if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4))
1361	{	1647	{
1362	dec->cur += 4;	1648	dec->cur += 4;
1363	#if JSON_SLOW	1649	#if JSON_SLOW
1364	json_true = get_bool ("JSON::XS::true");	1650	bool_true = get_bool ("Types::Serialiser::true");
1365	#endif	1651	#endif
1366	return newSVsv (json_true);	1652	return newSVsv (bool_true);
1367	}	1653	}
1368	else	1654	else
1369	ERR ("'true' expected");	1655	ERR ("'true' expected");
1370		1656
1371	break;	1657	break;
…		…
1373	case 'f':	1659	case 'f':
1374	if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5))	1660	if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5))
1375	{	1661	{
1376	dec->cur += 5;	1662	dec->cur += 5;
1377	#if JSON_SLOW	1663	#if JSON_SLOW
1378	json_false = get_bool ("JSON::XS::false");	1664	bool_false = get_bool ("Types::Serialiser::false");
1379	#endif	1665	#endif
1380	return newSVsv (json_false);	1666	return newSVsv (bool_false);
1381	}	1667	}
1382	else	1668	else
1383	ERR ("'false' expected");	1669	ERR ("'false' expected");
1384		1670
1385	break;	1671	break;
…		…
1394	ERR ("'null' expected");	1680	ERR ("'null' expected");
1395		1681
1396	break;	1682	break;
1397		1683
1398	default:	1684	default:
1399	ERR ("malformed JSON string, neither array, object, number, string or atom");	1685	ERR ("malformed JSON string, neither tag, array, object, number, string or atom");
1400	break;	1686	break;
1401	}	1687	}
1402		1688
1403	fail:	1689	fail:
1404	return 0;	1690	return 0;
1405	}	1691	}
1406		1692
1407	static SV *	1693	static SV *
1408	decode_json (SV string, JSON json, STRLEN *offset_return)	1694	decode_json (SV string, JSON json, char **offset_return)
1409	{	1695	{
1410	dec_t dec;	1696	dec_t dec;
1411	STRLEN offset;
1412	SV *sv;	1697	SV *sv;
1413		1698
		1699	/* work around bugs in 5.10 where manipulating magic values
		1700	* makes perl ignore the magic in subsequent accesses.
		1701	* also make a copy of non-PV values, to get them into a clean
		1702	* state (SvPV should do that, but it's buggy, see below).
		1703	*
		1704	* SvIsCOW_shared_hash works around a bug in perl (possibly 5.16),
		1705	* as reported by Reini Urban.
		1706	*/
1414	SvGETMAGIC (string);	1707	/SvGETMAGIC (string);/
		1708	if (SvMAGICAL (string) \|\| !SvPOK (string) \|\| SvIsCOW_shared_hash (string))
		1709	string = sv_2mortal (newSVsv (string));
		1710
1415	SvUPGRADE (string, SVt_PV);	1711	SvUPGRADE (string, SVt_PV);
1416		1712
1417	if (json->flags & F_MAXSIZE && SvCUR (string) > DEC_SIZE (json->flags))	1713	/* work around a bug in perl 5.10, which causes SvCUR to fail an
		1714	* assertion with -DDEBUGGING, although SvCUR is documented to
		1715	* return the xpv_cur field which certainly exists after upgrading.
		1716	* according to nicholas clark, calling SvPOK fixes this.
		1717	* But it doesn't fix it, so try another workaround, call SvPV_nolen
		1718	* and hope for the best.
		1719	* Damnit, SvPV_nolen still trips over yet another assertion. This
		1720	* assertion business is seriously broken, try yet another workaround
		1721	* for the broken -DDEBUGGING.
		1722	*/
		1723	{
		1724	#ifdef DEBUGGING
		1725	STRLEN offset = SvOK (string) ? sv_len (string) : 0;
		1726	#else
		1727	STRLEN offset = SvCUR (string);
		1728	#endif
		1729
		1730	if (offset > json->max_size && json->max_size)
1418	croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu",	1731	croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu",
1419	(unsigned long)SvCUR (string), (unsigned long)DEC_SIZE (json->flags));	1732	(unsigned long)SvCUR (string), (unsigned long)json->max_size);
		1733	}
1420		1734
1421	if (json->flags & F_UTF8)	1735	if (DECODE_WANTS_OCTETS (json))
1422	sv_utf8_downgrade (string, 0);	1736	sv_utf8_downgrade (string, 0);
1423	else	1737	else
1424	sv_utf8_upgrade (string);	1738	sv_utf8_upgrade (string);
1425		1739
1426	SvGROW (string, SvCUR (string) + 1); // should basically be a NOP	1740	SvGROW (string, SvCUR (string) + 1); // should basically be a NOP
1427		1741
1428	dec.json = *json;	1742	dec.json = *json;
1429	dec.cur = SvPVX (string);	1743	dec.cur = SvPVX (string);
1430	dec.end = SvEND (string);	1744	dec.end = SvEND (string);
1431	dec.err = 0;	1745	dec.err = 0;
1432	dec.depth = 0;	1746	dec.depth = 0;
1433	dec.maxdepth = DEC_DEPTH (dec.json.flags);
1434		1747
1435	if (dec.json.cb_object \|\| dec.json.cb_sk_object)	1748	if (dec.json.cb_object \|\| dec.json.cb_sk_object)
1436	dec.json.flags \|= F_HOOK;	1749	dec.json.flags \|= F_HOOK;
1437		1750
1438	*dec.end = 0; // this should basically be a nop, too, but make sure it's there	1751	*dec.end = 0; // this should basically be a nop, too, but make sure it's there
1439		1752
1440	decode_ws (&dec);	1753	decode_ws (&dec);
1441	sv = decode_sv (&dec);	1754	sv = decode_sv (&dec);
		1755
		1756	if (offset_return)
		1757	*offset_return = dec.cur;
1442		1758
1443	if (!(offset_return \|\| !sv))	1759	if (!(offset_return \|\| !sv))
1444	{	1760	{
1445	// check for trailing garbage	1761	// check for trailing garbage
1446	decode_ws (&dec);	1762	decode_ws (&dec);
…		…
1449	{	1765	{
1450	dec.err = "garbage after JSON object";	1766	dec.err = "garbage after JSON object";
1451	SvREFCNT_dec (sv);	1767	SvREFCNT_dec (sv);
1452	sv = 0;	1768	sv = 0;
1453	}	1769	}
1454	}
1455
1456	if (offset_return \|\| !sv)
1457	{
1458	offset = dec.json.flags & F_UTF8
1459	? dec.cur - SvPVX (string)
1460	: utf8_distance (dec.cur, SvPVX (string));
1461
1462	if (offset_return)
1463	*offset_return = offset;
1464	}	1770	}
1465		1771
1466	if (!sv)	1772	if (!sv)
1467	{	1773	{
1468	SV *uni = sv_newmortal ();	1774	SV *uni = sv_newmortal ();
…		…
1474	SAVEVPTR (PL_curcop);	1780	SAVEVPTR (PL_curcop);
1475	PL_curcop = &cop;	1781	PL_curcop = &cop;
1476	pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ);	1782	pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ);
1477	LEAVE;	1783	LEAVE;
1478		1784
1479	croak ("%s, at character offset %d [\"%s\"]",	1785	croak ("%s, at character offset %d (before \"%s\")",
1480	dec.err,	1786	dec.err,
1481	(int)offset,	1787	(int)ptr_to_index (string, dec.cur),
1482	dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)");	1788	dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)");
1483	}	1789	}
1484		1790
1485	sv = sv_2mortal (sv);	1791	sv = sv_2mortal (sv);
1486		1792
1487	if (!(dec.json.flags & F_ALLOW_NONREF) && !SvROK (sv))	1793	if (!(dec.json.flags & F_ALLOW_NONREF) && json_nonref (sv))
1488	croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)");	1794	croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)");
1489		1795
1490	return sv;	1796	return sv;
1491	}	1797	}
1492		1798
…		…
1495		1801
1496	static void	1802	static void
1497	incr_parse (JSON *self)	1803	incr_parse (JSON *self)
1498	{	1804	{
1499	const char *p = SvPVX (self->incr_text) + self->incr_pos;	1805	const char *p = SvPVX (self->incr_text) + self->incr_pos;
		1806
		1807	// the state machine here is a bit convoluted and could be simplified a lot
		1808	// but this would make it slower, so...
1500		1809
1501	for (;;)	1810	for (;;)
1502	{	1811	{
1503	//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	1812	//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
1504	switch (self->incr_mode)	1813	switch (self->incr_mode)
1505	{	1814	{
1506	// only used for intiial whitespace skipping	1815	// only used for initial whitespace skipping
1507	case INCR_M_WS:	1816	case INCR_M_WS:
1508	for (;;)	1817	for (;;)
1509	{	1818	{
1510	if (*p > 0x20)	1819	if (*p > 0x20)
1511	{	1820	{
		1821	if (*p == '#')
		1822	{
		1823	self->incr_mode = INCR_M_C0;
		1824	goto incr_m_c;
		1825	}
		1826	else
		1827	{
1512	self->incr_mode = INCR_M_JSON;	1828	self->incr_mode = INCR_M_JSON;
1513	goto incr_m_json;	1829	goto incr_m_json;
		1830	}
1514	}	1831	}
1515	else if (!*p)	1832	else if (!*p)
1516	goto interrupt;	1833	goto interrupt;
1517		1834
1518	++p;	1835	++p;
…		…
1524	goto interrupt;	1841	goto interrupt;
1525		1842
1526	++p;	1843	++p;
1527	self->incr_mode = INCR_M_STR;	1844	self->incr_mode = INCR_M_STR;
1528	goto incr_m_str;	1845	goto incr_m_str;
		1846
		1847	// inside #-style comments
		1848	case INCR_M_C0:
		1849	case INCR_M_C1:
		1850	incr_m_c:
		1851	for (;;)
		1852	{
		1853	if (*p == '\n')
		1854	{
		1855	self->incr_mode = self->incr_mode == INCR_M_C0 ? INCR_M_WS : INCR_M_JSON;
		1856	break;
		1857	}
		1858	else if (!*p)
		1859	goto interrupt;
		1860
		1861	++p;
		1862	}
		1863
		1864	break;
1529		1865
1530	// inside a string	1866	// inside a string
1531	case INCR_M_STR:	1867	case INCR_M_STR:
1532	incr_m_str:	1868	incr_m_str:
1533	for (;;)	1869	for (;;)
…		…
1584	self->incr_mode = INCR_M_STR;	1920	self->incr_mode = INCR_M_STR;
1585	goto incr_m_str;	1921	goto incr_m_str;
1586		1922
1587	case '[':	1923	case '[':
1588	case '{':	1924	case '{':
		1925	case '(':
1589	++self->incr_nest;	1926	if (++self->incr_nest > self->max_depth)
		1927	croak (ERR_NESTING_EXCEEDED);
1590	break;	1928	break;
1591		1929
1592	case ']':	1930	case ']':
1593	case '}':	1931	case '}':
1594	if (!--self->incr_nest)	1932	if (--self->incr_nest <= 0)
1595	goto interrupt;	1933	goto interrupt;
		1934	break;
		1935
		1936	case ')':
		1937	--self->incr_nest;
		1938	break;
		1939
		1940	case '#':
		1941	self->incr_mode = INCR_M_C1;
		1942	goto incr_m_c;
1596	}	1943	}
1597	}	1944	}
1598	}	1945	}
1599		1946
1600	modechange:	1947	modechange:
1601	;	1948	;
1602	}	1949	}
1603		1950
1604	interrupt:	1951	interrupt:
1605	self->incr_pos = p - SvPVX (self->incr_text);	1952	self->incr_pos = p - SvPVX (self->incr_text);
		1953	//printf ("interrupt<%.*s>\n", self->incr_pos, SvPVX(self->incr_text));//D
1606	//printf ("return pos %d mode %d nest %d\n", self->incr_pos, self->incr_mode, self->incr_nest);//D	1954	//printf ("return pos %d mode %d nest %d\n", self->incr_pos, self->incr_mode, self->incr_nest);//D
1607	}	1955	}
1608		1956
1609	/////////////////////////////////////////////////////////////////////////////	1957	/////////////////////////////////////////////////////////////////////////////
1610	// XS interface functions	1958	// XS interface functions
…		…
1620	i >= '0' && i <= '9' ? i - '0'	1968	i >= '0' && i <= '9' ? i - '0'
1621	: i >= 'a' && i <= 'f' ? i - 'a' + 10	1969	: i >= 'a' && i <= 'f' ? i - 'a' + 10
1622	: i >= 'A' && i <= 'F' ? i - 'A' + 10	1970	: i >= 'A' && i <= 'F' ? i - 'A' + 10
1623	: -1;	1971	: -1;
1624		1972
1625	json_stash = gv_stashpv ("JSON::XS" , 1);	1973	json_stash = gv_stashpv ("JSON::XS" , 1);
1626	json_boolean_stash = gv_stashpv ("JSON::XS::Boolean", 1);	1974	bool_stash = gv_stashpv ("Types::Serialiser::Boolean", 1);
1627
1628	json_true = get_bool ("JSON::XS::true");	1975	bool_true = get_bool ("Types::Serialiser::true");
1629	json_false = get_bool ("JSON::XS::false");	1976	bool_false = get_bool ("Types::Serialiser::false");
		1977
		1978	sv_json = newSVpv ("JSON", 0);
		1979	SvREADONLY_on (sv_json);
		1980
		1981	CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */
1630	}	1982	}
1631		1983
1632	PROTOTYPES: DISABLE	1984	PROTOTYPES: DISABLE
1633		1985
1634	void CLONE (...)	1986	void CLONE (...)
1635	CODE:	1987	CODE:
1636	json_stash = 0;	1988	json_stash = 0;
1637	json_boolean_stash = 0;	1989	bool_stash = 0;
1638		1990
1639	void new (char *klass)	1991	void new (char *klass)
1640	PPCODE:	1992	PPCODE:
1641	{	1993	{
1642	SV *pv = NEWSV (0, sizeof (JSON));	1994	SV *pv = NEWSV (0, sizeof (JSON));
1643	SvPOK_only (pv);	1995	SvPOK_only (pv);
1644	Zero (SvPVX (pv), 1, JSON);	1996	json_init ((JSON *)SvPVX (pv));
1645	((JSON *)SvPVX (pv))->flags = F_DEFAULT;
1646	XPUSHs (sv_2mortal (sv_bless (	1997	XPUSHs (sv_2mortal (sv_bless (
1647	newRV_noinc (pv),	1998	newRV_noinc (pv),
1648	strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1)	1999	strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1)
1649	)));	2000	)));
1650	}	2001	}
…		…
1663	shrink = F_SHRINK	2014	shrink = F_SHRINK
1664	allow_blessed = F_ALLOW_BLESSED	2015	allow_blessed = F_ALLOW_BLESSED
1665	convert_blessed = F_CONV_BLESSED	2016	convert_blessed = F_CONV_BLESSED
1666	relaxed = F_RELAXED	2017	relaxed = F_RELAXED
1667	allow_unknown = F_ALLOW_UNKNOWN	2018	allow_unknown = F_ALLOW_UNKNOWN
		2019	allow_tags = F_ALLOW_TAGS
1668	PPCODE:	2020	PPCODE:
1669	{	2021	{
1670	if (enable)	2022	if (enable)
1671	self->flags \|= ix;	2023	self->flags \|= ix;
1672	else	2024	else
…		…
1688	get_shrink = F_SHRINK	2040	get_shrink = F_SHRINK
1689	get_allow_blessed = F_ALLOW_BLESSED	2041	get_allow_blessed = F_ALLOW_BLESSED
1690	get_convert_blessed = F_CONV_BLESSED	2042	get_convert_blessed = F_CONV_BLESSED
1691	get_relaxed = F_RELAXED	2043	get_relaxed = F_RELAXED
1692	get_allow_unknown = F_ALLOW_UNKNOWN	2044	get_allow_unknown = F_ALLOW_UNKNOWN
		2045	get_allow_tags = F_ALLOW_TAGS
1693	PPCODE:	2046	PPCODE:
1694	XPUSHs (boolSV (self->flags & ix));	2047	XPUSHs (boolSV (self->flags & ix));
1695		2048
1696	void max_depth (JSON *self, UV max_depth = 0x80000000UL)	2049	void max_depth (JSON *self, U32 max_depth = 0x80000000UL)
1697	PPCODE:	2050	PPCODE:
1698	{	2051	self->max_depth = max_depth;
1699	UV log2 = 0;
1700
1701	if (max_depth > 0x80000000UL) max_depth = 0x80000000UL;
1702
1703	while ((1UL << log2) < max_depth)
1704	++log2;
1705
1706	self->flags = self->flags & ~F_MAXDEPTH \| (log2 << S_MAXDEPTH);
1707
1708	XPUSHs (ST (0));	2052	XPUSHs (ST (0));
1709	}
1710		2053
1711	U32 get_max_depth (JSON *self)	2054	U32 get_max_depth (JSON *self)
1712	CODE:	2055	CODE:
1713	RETVAL = DEC_DEPTH (self->flags);	2056	RETVAL = self->max_depth;
1714	OUTPUT:	2057	OUTPUT:
1715	RETVAL	2058	RETVAL
1716		2059
1717	void max_size (JSON *self, UV max_size = 0)	2060	void max_size (JSON *self, U32 max_size = 0)
1718	PPCODE:	2061	PPCODE:
1719	{	2062	self->max_size = max_size;
1720	UV log2 = 0;
1721
1722	if (max_size > 0x80000000UL) max_size = 0x80000000UL;
1723	if (max_size == 1) max_size = 2;
1724
1725	while ((1UL << log2) < max_size)
1726	++log2;
1727
1728	self->flags = self->flags & ~F_MAXSIZE \| (log2 << S_MAXSIZE);
1729
1730	XPUSHs (ST (0));	2063	XPUSHs (ST (0));
1731	}
1732		2064
1733	int get_max_size (JSON *self)	2065	int get_max_size (JSON *self)
1734	CODE:	2066	CODE:
1735	RETVAL = DEC_SIZE (self->flags);	2067	RETVAL = self->max_size;
1736	OUTPUT:	2068	OUTPUT:
1737	RETVAL	2069	RETVAL
1738		2070
1739	void filter_json_object (JSON self, SV cb = &PL_sv_undef)	2071	void filter_json_object (JSON self, SV cb = &PL_sv_undef)
1740	PPCODE:	2072	PPCODE:
…		…
1746	}	2078	}
1747		2079
1748	void filter_json_single_key_object (JSON self, SV key, SV *cb = &PL_sv_undef)	2080	void filter_json_single_key_object (JSON self, SV key, SV *cb = &PL_sv_undef)
1749	PPCODE:	2081	PPCODE:
1750	{	2082	{
1751	if (!self->cb_sk_object)	2083	if (!self->cb_sk_object)
1752	self->cb_sk_object = newHV ();	2084	self->cb_sk_object = newHV ();
1753		2085
1754	if (SvOK (cb))	2086	if (SvOK (cb))
1755	hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0);	2087	hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0);
1756	else	2088	else
…		…
1767	XPUSHs (ST (0));	2099	XPUSHs (ST (0));
1768	}	2100	}
1769		2101
1770	void encode (JSON self, SV scalar)	2102	void encode (JSON self, SV scalar)
1771	PPCODE:	2103	PPCODE:
1772	XPUSHs (encode_json (scalar, self));	2104	PUTBACK; scalar = encode_json (scalar, self); SPAGAIN;
		2105	XPUSHs (scalar);
1773		2106
1774	void decode (JSON self, SV jsonstr)	2107	void decode (JSON self, SV jsonstr)
1775	PPCODE:	2108	PPCODE:
1776	XPUSHs (decode_json (jsonstr, self, 0));	2109	PUTBACK; jsonstr = decode_json (jsonstr, self, 0); SPAGAIN;
		2110	XPUSHs (jsonstr);
1777		2111
1778	void decode_prefix (JSON self, SV jsonstr)	2112	void decode_prefix (JSON self, SV jsonstr)
1779	PPCODE:	2113	PPCODE:
1780	{	2114	{
1781	STRLEN offset;	2115	SV *sv;
		2116	char *offset;
		2117	PUTBACK; sv = decode_json (jsonstr, self, &offset); SPAGAIN;
1782	EXTEND (SP, 2);	2118	EXTEND (SP, 2);
1783	PUSHs (decode_json (jsonstr, self, &offset));	2119	PUSHs (sv);
1784	PUSHs (sv_2mortal (newSVuv (offset)));	2120	PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, offset))));
1785	}	2121	}
1786		2122
1787	void incr_parse (JSON self, SV jsonstr = 0)	2123	void incr_parse (JSON self, SV jsonstr = 0)
1788	PPCODE:	2124	PPCODE:
1789	{	2125	{
1790	if (!self->incr_text)	2126	if (!self->incr_text)
1791	self->incr_text = newSVpvn ("", 0);	2127	self->incr_text = newSVpvn ("", 0);
		2128
		2129	/* if utf8-ness doesn't match the decoder, need to upgrade/downgrade */
		2130	if (!DECODE_WANTS_OCTETS (self) == !SvUTF8 (self->incr_text))
		2131	if (DECODE_WANTS_OCTETS (self))
		2132	{
		2133	if (self->incr_pos)
		2134	self->incr_pos = utf8_length ((U8 *)SvPVX (self->incr_text),
		2135	(U8 *)SvPVX (self->incr_text) + self->incr_pos);
		2136
		2137	sv_utf8_downgrade (self->incr_text, 0);
		2138	}
		2139	else
		2140	{
		2141	sv_utf8_upgrade (self->incr_text);
		2142
		2143	if (self->incr_pos)
		2144	self->incr_pos = utf8_hop ((U8 *)SvPVX (self->incr_text), self->incr_pos)
		2145	- (U8 *)SvPVX (self->incr_text);
		2146	}
1792		2147
1793	// append data, if any	2148	// append data, if any
1794	if (jsonstr)	2149	if (jsonstr)
1795	{	2150	{
		2151	/* make sure both strings have same encoding */
1796	if (SvUTF8 (jsonstr) && !SvUTF8 (self->incr_text))	2152	if (SvUTF8 (jsonstr) != SvUTF8 (self->incr_text))
		2153	if (SvUTF8 (jsonstr))
		2154	sv_utf8_downgrade (jsonstr, 0);
1797	{	2155	else
1798	/* utf-8-ness differs, need to upgrade */
1799	sv_utf8_upgrade (self->incr_text);	2156	sv_utf8_upgrade (jsonstr);
1800		2157
1801	if (self->incr_pos)	2158	/* and then just blindly append */
1802	self->incr_pos = utf8_hop ((U8 *)SvPVX (self->incr_text), self->incr_pos)
1803	- (U8 *)SvPVX (self->incr_text);
1804	}
1805
1806	{	2159	{
1807	STRLEN len;	2160	STRLEN len;
1808	const char *str = SvPV (jsonstr, len);	2161	const char *str = SvPV (jsonstr, len);
1809	SvGROW (self->incr_text, SvCUR (self->incr_text) + len + 1);	2162	STRLEN cur = SvCUR (self->incr_text);
		2163
		2164	if (SvLEN (self->incr_text) <= cur + len)
		2165	SvGROW (self->incr_text, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1);
		2166
1810	Move (str, SvEND (self->incr_text), len, char);	2167	Move (str, SvEND (self->incr_text), len, char);
1811	SvCUR_set (self->incr_text, SvCUR (self->incr_text) + len);	2168	SvCUR_set (self->incr_text, SvCUR (self->incr_text) + len);
1812	*SvEND (self->incr_text) = 0; // this should basically be a nop, too, but make sure it's there	2169	*SvEND (self->incr_text) = 0; // this should basically be a nop, too, but make sure it's there
1813	}	2170	}
1814	}	2171	}
1815		2172
1816	if (GIMME_V != G_VOID)	2173	if (GIMME_V != G_VOID)
1817	do	2174	do
1818	{	2175	{
		2176	SV *sv;
1819	STRLEN offset;	2177	char *offset;
1820		2178
1821	if (!INCR_DONE (self))	2179	if (!INCR_DONE (self))
1822	{	2180	{
1823	incr_parse (self);	2181	incr_parse (self);
		2182
		2183	if (self->incr_pos > self->max_size && self->max_size)
		2184	croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu",
		2185	(unsigned long)self->incr_pos, (unsigned long)self->max_size);
		2186
1824	if (!INCR_DONE (self))	2187	if (!INCR_DONE (self))
		2188	{
		2189	// as an optimisation, do not accumulate white space in the incr buffer
		2190	if (self->incr_mode == INCR_M_WS && self->incr_pos)
		2191	{
		2192	self->incr_pos = 0;
		2193	SvCUR_set (self->incr_text, 0);
		2194	}
		2195
1825	break;	2196	break;
		2197	}
1826	}	2198	}
1827		2199
1828	XPUSHs (decode_json (self->incr_text, self, &offset));	2200	PUTBACK; sv = decode_json (self->incr_text, self, &offset); SPAGAIN;
		2201	XPUSHs (sv);
1829		2202
1830	sv_chop (self->incr_text, SvPV_nolen (self->incr_text) + offset);
1831	self->incr_pos -= offset;	2203	self->incr_pos -= offset - SvPVX (self->incr_text);
1832	self->incr_nest = 0;	2204	self->incr_nest = 0;
1833	self->incr_mode = 0;	2205	self->incr_mode = 0;
		2206
		2207	sv_chop (self->incr_text, offset);
1834	}	2208	}
1835	while (GIMME_V == G_ARRAY);	2209	while (GIMME_V == G_ARRAY);
1836	}	2210	}
1837		2211
1838	SV incr_text (JSON self)	2212	SV incr_text (JSON self)
…		…
1857	self->incr_nest = 0;	2231	self->incr_nest = 0;
1858	self->incr_mode = 0;	2232	self->incr_mode = 0;
1859	}	2233	}
1860	}	2234	}
1861		2235
		2236	void incr_reset (JSON *self)
		2237	CODE:
		2238	{
		2239	SvREFCNT_dec (self->incr_text);
		2240	self->incr_text = 0;
		2241	self->incr_pos = 0;
		2242	self->incr_nest = 0;
		2243	self->incr_mode = 0;
		2244	}
		2245
1862	void DESTROY (JSON *self)	2246	void DESTROY (JSON *self)
1863	CODE:	2247	CODE:
1864	SvREFCNT_dec (self->cb_sk_object);	2248	SvREFCNT_dec (self->cb_sk_object);
1865	SvREFCNT_dec (self->cb_object);	2249	SvREFCNT_dec (self->cb_object);
1866	SvREFCNT_dec (self->incr_text);	2250	SvREFCNT_dec (self->incr_text);
1867		2251
1868	PROTOTYPES: ENABLE	2252	PROTOTYPES: ENABLE
1869		2253
1870	void encode_json (SV *scalar)	2254	void encode_json (SV *scalar)
1871	ALIAS:
1872	to_json_ = 0
1873	encode_json = F_UTF8
1874	PPCODE:	2255	PPCODE:
1875	{	2256	{
1876	JSON json = { F_DEFAULT \| ix };	2257	JSON json;
1877	XPUSHs (encode_json (scalar, &json));	2258	json_init (&json);
		2259	json.flags \|= F_UTF8;
		2260	PUTBACK; scalar = encode_json (scalar, &json); SPAGAIN;
		2261	XPUSHs (scalar);
1878	}	2262	}
1879		2263
1880	void decode_json (SV *jsonstr)	2264	void decode_json (SV *jsonstr)
1881	ALIAS:
1882	from_json_ = 0
1883	decode_json = F_UTF8
1884	PPCODE:	2265	PPCODE:
1885	{	2266	{
1886	JSON json = { F_DEFAULT \| ix };	2267	JSON json;
1887	XPUSHs (decode_json (jsonstr, &json, 0));	2268	json_init (&json);
		2269	json.flags \|= F_UTF8;
		2270	PUTBACK; jsonstr = decode_json (jsonstr, &json, 0); SPAGAIN;
		2271	XPUSHs (jsonstr);
1888	}	2272	}
1889		2273
1890

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Comparing JSON-XS/XS.xs (file contents): Revision 1.84 by root, Thu Mar 27 06:37:35 2008 UTC vs. Revision 1.128 by root, Fri Oct 7 05:18:48 2016 UTC

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Comparing JSON-XS/XS.xs (file contents):
Revision 1.84 by root, Thu Mar 27 06:37:35 2008 UTC vs.
Revision 1.128 by root, Fri Oct 7 05:18:48 2016 UTC