10  *  safe: input string data is always NUL-terminated (0x00) and valid JSON
84 	/* 0x00 ... 0x7f: as is
85 	 * 0x80: escape generically
86 	 * 0x81: slow path
87 	 * 0xa0 ... 0xff: backslash + one char
90 	0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0xe2, 0xf4, 0xee, 0x80, 0xe6, 0xf2, 0x80, 0x80,
91 	0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
92 	0x20, 0x21, 0xa2, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
93 	0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
94 	0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
95 	0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x5b, 0xdc, 0x5d, 0x5e, 0x5f,
96 	0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
97 	0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x81,
98 	0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
99 	0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
100 	0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
101 	0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
102 	0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
103 	0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
104 	0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81,
105 	0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81
118 	/* 0x00: slow path
121 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
122 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
123 	0x20, 0x21, 0x00, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
124 	0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
125 	0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
126 	0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x5b, 0x00, 0x5d, 0x5e, 0x5f,
127 	0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
128 	0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
129 	0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
130 	0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
131 	0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
132 	0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
133 	0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
134 	0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
135 	0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
136 	0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff
142 	/* 0x00: finish (non-white)
143 	 * 0x01: continue
145 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x00, 0x00,
146 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
147 	0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
148 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
149 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
150 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
151 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
152 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
153 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
154 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
155 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
156 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
157 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
158 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
159 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
160 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
166 	/* 0x00: finish (not part of number)
167 	 * 0x01: continue
169 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
170 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
171 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x01, 0x00,
172 	0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
173 	0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
174 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
175 	0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
176 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
177 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
178 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
179 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
180 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
181 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
182 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
183 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
184 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
223 		DUK_ASSERT(duk__json_eatwhite_lookup[0x00] == 0x00);  /* end-of-input breaks */  in duk__dec_eat_white()
224 		if (duk__json_eatwhite_lookup[t] == 0) {  in duk__dec_eat_white()
228 		if (!(t == 0x20 || t == 0x0a || t == 0x0d || t == 0x09)) {  in duk__dec_eat_white()
229 			/* NUL also comes here.  Comparison order matters, 0x20  in duk__dec_eat_white()
258 	duk_uint_fast32_t res = 0;  in duk__dec_decode_hex_escape()
262 	for (i = 0; i < n; i++) {  in duk__dec_decode_hex_escape()
269 		/* x == 0x00 (EOF) causes syntax_error */  in duk__dec_decode_hex_escape()
270 		DUK_ASSERT(duk_hex_dectab[0] == -1);  in duk__dec_decode_hex_escape()
271 		t = duk_hex_dectab[x & 0xff];  in duk__dec_decode_hex_escape()
272 		if (DUK_LIKELY(t >= 0)) {  in duk__dec_decode_hex_escape()
286 	return 0;  in duk__dec_decode_hex_escape()
299 	DUK_ASSERT_DISABLE(stridx >= 0);  /* unsigned */  in duk__dec_req_stridx()
309 		if (x == 0) {  in duk__dec_req_stridx()
339 	case DUK_ASC_LC_T: cp = 0x09; break;  in duk__dec_string_escape()
340 	case DUK_ASC_LC_N: cp = 0x0a; break;  in duk__dec_string_escape()
341 	case DUK_ASC_LC_R: cp = 0x0d; break;  in duk__dec_string_escape()
342 	case DUK_ASC_LC_F: cp = 0x0c; break;  in duk__dec_string_escape()
343 	case DUK_ASC_LC_B: cp = 0x08; break;  in duk__dec_string_escape()
367 		/* catches EOF (0x00) */  in duk__dec_string_escape()
373 	return 0;  in duk__dec_string_escape()
386 	 * All non-ASCII extended UTF-8 will encode to bytes >= 0x80,  in duk__dec_string()
413 			if (safe == 0) {  in duk__dec_string()
420 			DUK_ASSERT(duk__json_decstr_lookup[0] == 0x00);  in duk__dec_string()
424 			if (DUK_LIKELY(x != 0)) {  in duk__dec_string()
436 				if (duk__dec_string_escape(js_ctx, &q) != 0) {  in duk__dec_string()
458 			if (duk__dec_string_escape(js_ctx, &q) != 0) {  in duk__dec_string()
461 		} else if (x < 0x20) {  in duk__dec_string()
549 		} else if (x <= 0) {  in duk__dec_pointer()
611 		 * ([0-9a-fA-F]) because the hex decode call below will do that.  in duk__dec_buffer()
615 		} else if (x <= 0) {  in duk__dec_buffer()
668 		DUK_ASSERT(duk__json_decnumber_lookup[0x00] == 0x00);  /* end-of-input breaks */  in duk__dec_number()
669 		if (duk__json_decnumber_lookup[x] == 0) {  in duk__dec_number()
712 	DUK_ASSERT(js_ctx->recursion_depth >= 0);  in duk__dec_objarr_entry()
723 	DUK_ASSERT(js_ctx->recursion_depth > 0);  in duk__dec_objarr_exit()
741 	key_count = 0;  in duk__dec_object()
751 		if (x == DUK_ASC_COMMA && key_count > 0) {  in duk__dec_object()
757 		} else if (key_count == 0) {  in duk__dec_object()
824 	arr_idx = 0;  in duk__dec_array()
834 		if ((x == DUK_ASC_COMMA) && (arr_idx != 0)) {  in duk__dec_array()
840 		} else if (arr_idx == 0) {  in duk__dec_array()
968 			for (i = 0; i < arr_len; i++) {
996 			while (duk_next(ctx, -1 /*enum_index*/, 0 /*get_value*/)) {
1074 	DUK_ASSERT_DISABLE(stridx >= 0);  /* unsigned */
1107 	if (DUK_LIKELY(cp < 0x100UL)) {
1115 	if (DUK_LIKELY(cp < 0x10000UL)) {
1133 	*q++ = (duk_uint8_t) ((tmp >> 8) & 0xff);
1134 	*q++ = (duk_uint8_t) (tmp & 0xff);
1137 	while (tmp > 0) {
1139 		dig = (duk_small_uint_t) ((cp >> (4 * tmp)) & 0x0f);
1156 	 * so that bytes >= 0x80 extend to negative values and are rejected
1238 			if (DUK_LIKELY(b < 0x80)) {
1241 			} else if (b >= 0xa0) {
1243 				*q++ = (duk_uint8_t) (b - 0x80);
1244 			} else if (b == 0x80) {
1247 			} else if (b == 0x7f && js_ctx->flag_ascii_only) {
1248 				/* 0x7F is special */
1249 				DUK_ASSERT(b == 0x81);
1250 				cp = (duk_ucodepoint_t) 0x7f;
1253 				DUK_ASSERT(b == 0x81);
1260 			if (DUK_LIKELY(cp <= 0x7f)) {
1263 				if (cp == 0x22 || cp == 0x5c) {
1267 				} else if (cp < 0x20) {
1274 					    (esc_char = duk__json_quotestr_esc[cp]) != 0) {
1280 				} else if (cp == 0x7f && js_ctx->flag_ascii_only) {
1313 				if (js_ctx->flag_ascii_only || cp == 0x2028 || cp == 0x2029) {
1364 		 * it would otherwise serialize to '0', not '-0'.
1366 		if (DUK_UNLIKELY(c == DUK_FP_ZERO && s != 0 &&
1368 			duk_push_hstring_stridx(ctx, DUK_STRIDX_MINUS_ZERO);  /* '-0' */
1372 			n2s_flags = 0;
1374 			duk_numconv_stringify(ctx, 10 /*radix*/, 0 /*digits*/, n2s_flags);
1388 	} else if (s == 0) {
1446 	shift_dst = (duk_bool_t) (((duk_size_t) dst) & 0x01U);
1454 	DUK_ASSERT((((duk_size_t) q16) & 0x01U) == 0);
1457 	len_safe = src_len & ~0x03U;
1458 	for (i = 0; i < len_safe; i += 4) {
1459 		q16[0] = duk_hex_enctab[src[i]];
1478 		*q++ = duk_lc_digits[x & 0x0f];
1496 		*q++ = duk_lc_digits[x & 0x0f];
1525 	DUK_ASSERT(DUK_HBUFFER_MAX_BYTELEN <= 0x7ffffffeUL);
1622 	DUK_ASSERT(DUK_HSTRING_GET_BYTELEN(js_ctx->h_gap) > 0);  /* caller guarantees */
1624 	DUK__EMIT_1(js_ctx, 0x0a);
1625 	while (depth-- > 0) {
1639 	DUK_ASSERT(DUK_HSTRING_GET_BYTELEN(js_ctx->h_gap) > 0);  /* caller guarantees */
1641 	DUK__EMIT_1(js_ctx, 0x0a);
1642 	if (DUK_UNLIKELY(depth == 0)) {
1654 	DUK_ASSERT(gap_len > 0);
1703 	for (i = 0; i < n; i++) {
1723 	DUK_ASSERT(js_ctx->recursion_depth >= 0);
1741 	DUK_ASSERT(js_ctx->recursion_depth > 0);
1784 	if (js_ctx->idx_proplist >= 0) {
1808 	emitted = 0;
1809 	for (i = 0; i < arr_len; i++) {
1831 		if (DUK_UNLIKELY(duk__enc_value(js_ctx, idx_obj) == 0)) {
1882 	emitted = 0;
1883 	for (i = 0; i < arr_len; i++) {
1899 		if (DUK_UNLIKELY(duk__enc_value(js_ctx, idx_arr) == 0)) {
2183 	return 0;  /* not emitted */
2203 	return 0;
2224 #if 0 /* disabled for now */
2263 		duk_bool_t emitted = 0;
2298 		DUK_ASSERT(js_ctx->recursion_depth >= 0);
2305 		for (i = 0, n = (duk_uint_fast32_t) js_ctx->recursion_depth; i < n; i++) {
2354 			c_undef = 0;
2365 			c_func = 0;
2366 			c_bufobj = 0;
2387 			for (i = 0; i < (duk_uint_fast32_t) DUK_HOBJECT_GET_ENEXT(obj); i++) {
2421 				if (duk__json_stringify_fast_value(js_ctx, tv_val) == 0) {
2468 			for (i = 0; i < arr_len; i++) {
2507 					if (duk__json_stringify_fast_value(js_ctx, tv_val) == 0) {
2552 			DUK_ASSERT(js_ctx->recursion_depth > 0);
2563 			DUK_ASSERT((c_bit & c_undef) != 0);
2566 			DUK_ASSERT(js_ctx->recursion_depth > 0);
2572 		DUK_ASSERT(js_ctx->recursion_depth > 0);
2630 #if 0
2632 		 * values like NaN, Infinity, -0, exponent notation etc in
2648 	return 0;  /* value was undefined/unsupported */
2654 	return 0;  /* unreachable */
2668 	if (duk__json_stringify_fast_value(js_ctx, tv) == 0) {
2673 	return 0;
2695 	DUK_ASSERT(idx_value == DUK_INVALID_INDEX || idx_value >= 0);
2696 	DUK_ASSERT(idx_reviver == DUK_INVALID_INDEX || idx_reviver >= 0);
2698 	DUK_DDD(DUK_DDDPRINT("JSON parse start: text=%!T, reviver=%!T, flags=0x%08lx, stack_top=%ld",
2710 	DUK_ASSERT(js_ctx->recursion_depth == 0);
2738 	DUK_ASSERT(*(js_ctx->p_end) == 0x00);
2774 …DUK_DDD(DUK_DDDPRINT("JSON parse end: text=%!T, reviver=%!T, flags=0x%08lx, result=%!T, stack_top=…
2798 	DUK_ASSERT(idx_value == DUK_INVALID_INDEX || idx_value >= 0);
2799 	DUK_ASSERT(idx_replacer == DUK_INVALID_INDEX || idx_replacer >= 0);
2800 	DUK_ASSERT(idx_space == DUK_INVALID_INDEX || idx_space >= 0);
2802 …DUK_DDD(DUK_DDDPRINT("JSON stringify start: value=%!T, replacer=%!T, space=%!T, flags=0x%08lx, sta…
2874 		DUK_ASSERT(js_ctx->mask_for_undefined == 0);  /* already zero */
2888 	DUK_ASSERT(js_ctx->idx_loop >= 0);
2907 			duk_uarridx_t plist_idx = 0;
2964 		/* ToInteger() coercion; NaN -> 0, infinities are clamped to 0 and 10 */
2965 		nspace = (duk_small_int_t) duk_to_int_clamped(ctx, idx_space, 0 /*minval*/, 10 /*maxval*/);
2966 		DUK_ASSERT(nspace >= 0 && nspace <= 10);
2974 		duk_substring(ctx, -1, 0, 10);  /* clamp to 10 chars */
2983 		if (DUK_HSTRING_GET_CHARLEN(js_ctx->h_gap) == 0) {
3012 		DUK_ASSERT(js_ctx->recursion_depth == 0);
3031 		pcall_rc = duk_safe_call(ctx, duk__json_stringify_fast, 2 /*nargs*/, 0 /*nret*/);
3049 		js_ctx->recursion_depth = 0;
3061 	DUK_DDD(DUK_DDDPRINT("before: flags=0x%08lx, loop=%!T, replacer=%!O, "
3066 …         (duk_tval *) (js_ctx->idx_proplist >= 0 ? duk_get_tval(ctx, js_ctx->idx_proplist) : NULL),
3077 	DUK_ASSERT(js_ctx->recursion_depth == 0);
3079 …if (DUK_UNLIKELY(duk__enc_value(js_ctx, idx_holder) == 0)) {  /* [ ... holder key ] -> [ ... holde…
3087 	DUK_DDD(DUK_DDDPRINT("after: flags=0x%08lx, loop=%!T, replacer=%!O, "
3092 …         (duk_tval *) (js_ctx->idx_proplist >= 0 ? duk_get_tval(ctx, js_ctx->idx_proplist) : NULL),
3107 	                     "flags=0x%08lx, result=%!T, stack_top=%ld",
3124 	                         0 /*idx_value*/,
3126 	                         0 /*flags*/);
3132 	                             0 /*idx_value*/,
3135 	                             0 /*flags*/);