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fix clang -Wlogical-op warnings
[libyaml.git] / src / yaml_private.h
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625fcfe9
KS		 1#if HAVE_CONFIG_H
2#include <config.h>
3#endif
4
5#include <yaml.h>
6
7#include <assert.h>
5a00d8fe 8#include <limits.h>
c201bf64 9#include <stddef.h>
303b4558 10
625fcfe9
KS		 11/*
12 * Memory management.
13 */
14
15YAML_DECLARE(void *)
16yaml_malloc(size_t size);
17
18YAML_DECLARE(void *)
19yaml_realloc(void *ptr, size_t size);
20
21YAML_DECLARE(void)
22yaml_free(void *ptr);
23
cf616166
KS		 24YAML_DECLARE(yaml_char_t *)
25yaml_strdup(const yaml_char_t *);
625fcfe9
KS		 26
27/*
28 * Reader: Ensure that the buffer contains at least `length` characters.
29 */
30
31YAML_DECLARE(int)
32yaml_parser_update_buffer(yaml_parser_t *parser, size_t length);
33
34/*
35 * Scanner: Ensure that the token stack contains at least one token ready.
36 */
37
38YAML_DECLARE(int)
39yaml_parser_fetch_more_tokens(yaml_parser_t *parser);
40
41/*
b1a54000 42 * The size of the input raw buffer.
625fcfe9
KS		 43 */
44
b1a54000 45#define INPUT_RAW_BUFFER_SIZE 16384
625fcfe9
KS		 46
47/*
b1a54000 48 * The size of the input buffer.
625fcfe9
KS		 49 *
50 * It should be possible to decode the whole raw buffer.
51 */
52
b1a54000
KS		 53#define INPUT_BUFFER_SIZE (INPUT_RAW_BUFFER_SIZE*3)
54
55/*
56 * The size of the output buffer.
57 */
58
59#define OUTPUT_BUFFER_SIZE 16384
60
61/*
62 * The size of the output raw buffer.
63 *
64 * It should be possible to encode the whole output buffer.
65 */
66
67#define OUTPUT_RAW_BUFFER_SIZE (OUTPUT_BUFFER_SIZE*2+2)
625fcfe9 68
01f3a878
RP		 69/*
70 * The maximum size of a YAML input file.
71 * This used to be PTRDIFF_MAX, but that's not entirely portable
72 * because stdint.h isn't available on all platforms.
73 * It is not entirely clear why this isn't the maximum value
74 * that can fit into the parser->offset field.
75 */
76
77#define MAX_FILE_SIZE (~(size_t)0 / 2)
78
79
625fcfe9
KS		 80/*
81 * The size of other stacks and queues.
82 */
83
84#define INITIAL_STACK_SIZE 16
85#define INITIAL_QUEUE_SIZE 16
86#define INITIAL_STRING_SIZE 16
87
88/*
89 * Buffer management.
90 */
91
92#define BUFFER_INIT(context,buffer,size) \
fc2dd942 93 (((buffer).start = (yaml_char_t *)yaml_malloc(size)) ? \
625fcfe9
KS		 94 ((buffer).last = (buffer).pointer = (buffer).start, \
95 (buffer).end = (buffer).start+(size), \
96 1) : \
97 ((context)->error = YAML_MEMORY_ERROR, \
98 0))
99
100#define BUFFER_DEL(context,buffer) \
101 (yaml_free((buffer).start), \
102 (buffer).start = (buffer).pointer = (buffer).end = 0)
103
104/*
105 * String management.
106 */
107
108typedef struct {
109 yaml_char_t *start;
110 yaml_char_t *end;
111 yaml_char_t *pointer;
112} yaml_string_t;
113
114YAML_DECLARE(int)
115yaml_string_extend(yaml_char_t **start,
116 yaml_char_t **pointer, yaml_char_t **end);
117
118YAML_DECLARE(int)
119yaml_string_join(
120 yaml_char_t **a_start, yaml_char_t **a_pointer, yaml_char_t **a_end,
121 yaml_char_t **b_start, yaml_char_t **b_pointer, yaml_char_t **b_end);
122
123#define NULL_STRING { NULL, NULL, NULL }
124
e35af832
KS		 125#define STRING(string,length) { (string), (string)+(length), (string) }
126
252c575a
KS		 127#define STRING_ASSIGN(value,string,length) \
128 ((value).start = (string), \
129 (value).end = (string)+(length), \
130 (value).pointer = (string))
131
625fcfe9 132#define STRING_INIT(context,string,size) \
fc2dd942 133 (((string).start = YAML_MALLOC(size)) ? \
625fcfe9
KS		 134 ((string).pointer = (string).start, \
135 (string).end = (string).start+(size), \
136 memset((string).start, 0, (size)), \
137 1) : \
138 ((context)->error = YAML_MEMORY_ERROR, \
139 0))
140
141#define STRING_DEL(context,string) \
142 (yaml_free((string).start), \
143 (string).start = (string).pointer = (string).end = 0)
144
145#define STRING_EXTEND(context,string) \
d1003a9d 146 ((((string).pointer+5 < (string).end) \
625fcfe9 147 || yaml_string_extend(&(string).start, \
d1003a9d
KS		 148 &(string).pointer, &(string).end)) ? \
149 1 : \
150 ((context)->error = YAML_MEMORY_ERROR, \
151 0))
625fcfe9
KS		 152
153#define CLEAR(context,string) \
154 ((string).pointer = (string).start, \
155 memset((string).start, 0, (string).end-(string).start))
156
157#define JOIN(context,string_a,string_b) \
158 ((yaml_string_join(&(string_a).start, &(string_a).pointer, \
159 &(string_a).end, &(string_b).start, \
160 &(string_b).pointer, &(string_b).end)) ? \
161 ((string_b).pointer = (string_b).start, \
162 1) : \
163 ((context)->error = YAML_MEMORY_ERROR, \
164 0))
165
e35af832
KS		 166/*
167 * String check operations.
168 */
169
170/*
171 * Check the octet at the specified position.
172 */
173
551ad489 174#define CHECK_AT(string,octet,offset) \
e35af832
KS		 175 ((string).pointer[offset] == (yaml_char_t)(octet))
176
177/*
178 * Check the current octet in the buffer.
179 */
180
551ad489 181#define CHECK(string,octet) (CHECK_AT((string),(octet),0))
e35af832
KS		 182
183/*
184 * Check if the character at the specified position is an alphabetical
185 * character, a digit, '_', or '-'.
186 */
187
188#define IS_ALPHA_AT(string,offset) \
189 (((string).pointer[offset] >= (yaml_char_t) '0' && \
190 (string).pointer[offset] <= (yaml_char_t) '9') || \
191 ((string).pointer[offset] >= (yaml_char_t) 'A' && \
192 (string).pointer[offset] <= (yaml_char_t) 'Z') || \
193 ((string).pointer[offset] >= (yaml_char_t) 'a' && \
194 (string).pointer[offset] <= (yaml_char_t) 'z') || \
195 (string).pointer[offset] == '_' || \
196 (string).pointer[offset] == '-')
197
198#define IS_ALPHA(string) IS_ALPHA_AT((string),0)
199
200/*
201 * Check if the character at the specified position is a digit.
202 */
203
204#define IS_DIGIT_AT(string,offset) \
205 (((string).pointer[offset] >= (yaml_char_t) '0' && \
206 (string).pointer[offset] <= (yaml_char_t) '9'))
207
208#define IS_DIGIT(string) IS_DIGIT_AT((string),0)
209
210/*
211 * Get the value of a digit.
212 */
213
214#define AS_DIGIT_AT(string,offset) \
215 ((string).pointer[offset] - (yaml_char_t) '0')
216
217#define AS_DIGIT(string) AS_DIGIT_AT((string),0)
218
219/*
220 * Check if the character at the specified position is a hex-digit.
221 */
222
223#define IS_HEX_AT(string,offset) \
224 (((string).pointer[offset] >= (yaml_char_t) '0' && \
225 (string).pointer[offset] <= (yaml_char_t) '9') || \
226 ((string).pointer[offset] >= (yaml_char_t) 'A' && \
227 (string).pointer[offset] <= (yaml_char_t) 'F') || \
228 ((string).pointer[offset] >= (yaml_char_t) 'a' && \
229 (string).pointer[offset] <= (yaml_char_t) 'f'))
230
231#define IS_HEX(string) IS_HEX_AT((string),0)
232
233/*
234 * Get the value of a hex-digit.
235 */
236
237#define AS_HEX_AT(string,offset) \
238 (((string).pointer[offset] >= (yaml_char_t) 'A' && \
239 (string).pointer[offset] <= (yaml_char_t) 'F') ? \
240 ((string).pointer[offset] - (yaml_char_t) 'A' + 10) : \
241 ((string).pointer[offset] >= (yaml_char_t) 'a' && \
242 (string).pointer[offset] <= (yaml_char_t) 'f') ? \
243 ((string).pointer[offset] - (yaml_char_t) 'a' + 10) : \
244 ((string).pointer[offset] - (yaml_char_t) '0'))
986dbde7 245
e35af832 246#define AS_HEX(string) AS_HEX_AT((string),0)
986dbde7 247
e35af832
KS		 248/*
249 * Check if the character is ASCII.
250 */
251
252#define IS_ASCII_AT(string,offset) \
253 ((string).pointer[offset] <= (yaml_char_t) '\x7F')
254
255#define IS_ASCII(string) IS_ASCII_AT((string),0)
256
257/*
258 * Check if the character can be printed unescaped.
259 */
260
261#define IS_PRINTABLE_AT(string,offset) \
262 (((string).pointer[offset] == 0x0A) /* . == #x0A */ \
263 || ((string).pointer[offset] >= 0x20 /* #x20 <= . <= #x7E */ \
264 && (string).pointer[offset] <= 0x7E) \
265 || ((string).pointer[offset] == 0xC2 /* #0xA0 <= . <= #xD7FF */ \
266 && (string).pointer[offset+1] >= 0xA0) \
267 || ((string).pointer[offset] > 0xC2 \
268 && (string).pointer[offset] < 0xED) \
269 || ((string).pointer[offset] == 0xED \
270 && (string).pointer[offset+1] < 0xA0) \
271 || ((string).pointer[offset] == 0xEE) \
272 || ((string).pointer[offset] == 0xEF /* #xE000 <= . <= #xFFFD */ \
273 && !((string).pointer[offset+1] == 0xBB /* && . != #xFEFF */ \
274 && (string).pointer[offset+2] == 0xBF) \
275 && !((string).pointer[offset+1] == 0xBF \
276 && ((string).pointer[offset+2] == 0xBE \
277 || (string).pointer[offset+2] == 0xBF))))
278
279#define IS_PRINTABLE(string) IS_PRINTABLE_AT((string),0)
280
281/*
282 * Check if the character at the specified position is NUL.
283 */
284
285#define IS_Z_AT(string,offset) CHECK_AT((string),'\0',(offset))
286
287#define IS_Z(string) IS_Z_AT((string),0)
288
289/*
290 * Check if the character at the specified position is BOM.
291 */
292
293#define IS_BOM_AT(string,offset) \
294 (CHECK_AT((string),'\xEF',(offset)) \
295 && CHECK_AT((string),'\xBB',(offset)+1) \
296 && CHECK_AT((string),'\xBF',(offset)+2)) /* BOM (#xFEFF) */
297
298#define IS_BOM(string) IS_BOM_AT(string,0)
299
300/*
301 * Check if the character at the specified position is space.
302 */
303
304#define IS_SPACE_AT(string,offset) CHECK_AT((string),' ',(offset))
305
306#define IS_SPACE(string) IS_SPACE_AT((string),0)
307
308/*
309 * Check if the character at the specified position is tab.
310 */
311
312#define IS_TAB_AT(string,offset) CHECK_AT((string),'\t',(offset))
313
314#define IS_TAB(string) IS_TAB_AT((string),0)
315
316/*
317 * Check if the character at the specified position is blank (space or tab).
318 */
319
320#define IS_BLANK_AT(string,offset) \
321 (IS_SPACE_AT((string),(offset)) || IS_TAB_AT((string),(offset)))
322
323#define IS_BLANK(string) IS_BLANK_AT((string),0)
324
325/*
326 * Check if the character at the specified position is a line break.
327 */
328
329#define IS_BREAK_AT(string,offset) \
330 (CHECK_AT((string),'\r',(offset)) /* CR (#xD)*/ \
331 || CHECK_AT((string),'\n',(offset)) /* LF (#xA) */ \
332 || (CHECK_AT((string),'\xC2',(offset)) \
333 && CHECK_AT((string),'\x85',(offset)+1)) /* NEL (#x85) */ \
334 || (CHECK_AT((string),'\xE2',(offset)) \
335 && CHECK_AT((string),'\x80',(offset)+1) \
336 && CHECK_AT((string),'\xA8',(offset)+2)) /* LS (#x2028) */ \
337 || (CHECK_AT((string),'\xE2',(offset)) \
338 && CHECK_AT((string),'\x80',(offset)+1) \
339 && CHECK_AT((string),'\xA9',(offset)+2))) /* PS (#x2029) */
340
341#define IS_BREAK(string) IS_BREAK_AT((string),0)
342
343#define IS_CRLF_AT(string,offset) \
344 (CHECK_AT((string),'\r',(offset)) && CHECK_AT((string),'\n',(offset)+1))
345
346#define IS_CRLF(string) IS_CRLF_AT((string),0)
347
348/*
349 * Check if the character is a line break or NUL.
350 */
351
352#define IS_BREAKZ_AT(string,offset) \
353 (IS_BREAK_AT((string),(offset)) || IS_Z_AT((string),(offset)))
354
355#define IS_BREAKZ(string) IS_BREAKZ_AT((string),0)
356
357/*
358 * Check if the character is a line break, space, or NUL.
359 */
360
361#define IS_SPACEZ_AT(string,offset) \
362 (IS_SPACE_AT((string),(offset)) || IS_BREAKZ_AT((string),(offset)))
363
364#define IS_SPACEZ(string) IS_SPACEZ_AT((string),0)
365
366/*
367 * Check if the character is a line break, space, tab, or NUL.
368 */
369
370#define IS_BLANKZ_AT(string,offset) \
371 (IS_BLANK_AT((string),(offset)) || IS_BREAKZ_AT((string),(offset)))
372
373#define IS_BLANKZ(string) IS_BLANKZ_AT((string),0)
374
375/*
376 * Determine the width of the character.
377 */
378
379#define WIDTH_AT(string,offset) \
380 (((string).pointer[offset] & 0x80) == 0x00 ? 1 : \
381 ((string).pointer[offset] & 0xE0) == 0xC0 ? 2 : \
382 ((string).pointer[offset] & 0xF0) == 0xE0 ? 3 : \
383 ((string).pointer[offset] & 0xF8) == 0xF0 ? 4 : 0)
384
385#define WIDTH(string) WIDTH_AT((string),0)
386
387/*
388 * Move the string pointer to the next character.
389 */
390
391#define MOVE(string) ((string).pointer += WIDTH((string)))
392
393/*
394 * Copy a character and move the pointers of both strings.
395 */
396
397#define COPY(string_a,string_b) \
398 ((*(string_b).pointer & 0x80) == 0x00 ? \
399 (*((string_a).pointer++) = *((string_b).pointer++)) : \
400 (*(string_b).pointer & 0xE0) == 0xC0 ? \
401 (*((string_a).pointer++) = *((string_b).pointer++), \
402 *((string_a).pointer++) = *((string_b).pointer++)) : \
403 (*(string_b).pointer & 0xF0) == 0xE0 ? \
404 (*((string_a).pointer++) = *((string_b).pointer++), \
405 *((string_a).pointer++) = *((string_b).pointer++), \
406 *((string_a).pointer++) = *((string_b).pointer++)) : \
407 (*(string_b).pointer & 0xF8) == 0xF0 ? \
408 (*((string_a).pointer++) = *((string_b).pointer++), \
409 *((string_a).pointer++) = *((string_b).pointer++), \
410 *((string_a).pointer++) = *((string_b).pointer++), \
411 *((string_a).pointer++) = *((string_b).pointer++)) : 0)
412
625fcfe9
KS		 413/*
414 * Stack and queue management.
415 */
416
417YAML_DECLARE(int)
418yaml_stack_extend(void **start, void **top, void **end);
419
420YAML_DECLARE(int)
421yaml_queue_extend(void **start, void **head, void **tail, void **end);
422
fc2dd942
RU		 423#define STACK_INIT(context,stack,type) \
424 (((stack).start = (type)yaml_malloc(INITIAL_STACK_SIZE*sizeof(*(stack).start))) ? \
625fcfe9 425 ((stack).top = (stack).start, \
fc2dd942 426 (stack).end = (stack).start+INITIAL_STACK_SIZE, \
625fcfe9
KS		 427 1) : \
428 ((context)->error = YAML_MEMORY_ERROR, \
429 0))
430
431#define STACK_DEL(context,stack) \
432 (yaml_free((stack).start), \
433 (stack).start = (stack).top = (stack).end = 0)
434
435#define STACK_EMPTY(context,stack) \
436 ((stack).start == (stack).top)
437
2d94fc50
KS		 438#define STACK_LIMIT(context,stack,size) \
439 ((stack).top - (stack).start < (size) ? \
440 1 : \
441 ((context)->error = YAML_MEMORY_ERROR, \
442 0))
443
625fcfe9
KS		 444#define PUSH(context,stack,value) \
445 (((stack).top != (stack).end \
446 || yaml_stack_extend((void **)&(stack).start, \
447 (void **)&(stack).top, (void **)&(stack).end)) ? \
448 (*((stack).top++) = value, \
449 1) : \
450 ((context)->error = YAML_MEMORY_ERROR, \
451 0))
452
453#define POP(context,stack) \
454 (*(--(stack).top))
455
fc2dd942
RU		 456#define QUEUE_INIT(context,queue,size,type) \
457 (((queue).start = (type)yaml_malloc((size)*sizeof(*(queue).start))) ? \
625fcfe9
KS		 458 ((queue).head = (queue).tail = (queue).start, \
459 (queue).end = (queue).start+(size), \
460 1) : \
461 ((context)->error = YAML_MEMORY_ERROR, \
462 0))
463
464#define QUEUE_DEL(context,queue) \
465 (yaml_free((queue).start), \
466 (queue).start = (queue).head = (queue).tail = (queue).end = 0)
467
468#define QUEUE_EMPTY(context,queue) \
469 ((queue).head == (queue).tail)
470
471#define ENQUEUE(context,queue,value) \
472 (((queue).tail != (queue).end \
473 || yaml_queue_extend((void **)&(queue).start, (void **)&(queue).head, \
474 (void **)&(queue).tail, (void **)&(queue).end)) ? \
475 (*((queue).tail++) = value, \
476 1) : \
477 ((context)->error = YAML_MEMORY_ERROR, \
478 0))
479
480#define DEQUEUE(context,queue) \
481 (*((queue).head++))
482
483#define QUEUE_INSERT(context,queue,index,value) \
484 (((queue).tail != (queue).end \
485 || yaml_queue_extend((void **)&(queue).start, (void **)&(queue).head, \
486 (void **)&(queue).tail, (void **)&(queue).end)) ? \
487 (memmove((queue).head+(index)+1,(queue).head+(index), \
488 ((queue).tail-(queue).head-(index))*sizeof(*(queue).start)), \
489 *((queue).head+(index)) = value, \
490 (queue).tail++, \
491 1) : \
492 ((context)->error = YAML_MEMORY_ERROR, \
493 0))
494
b1a54000
KS		 495/*
496 * Token initializers.
497 */
498
499#define TOKEN_INIT(token,token_type,token_start_mark,token_end_mark) \
500 (memset(&(token), 0, sizeof(yaml_token_t)), \
501 (token).type = (token_type), \
502 (token).start_mark = (token_start_mark), \
503 (token).end_mark = (token_end_mark))
504
505#define STREAM_START_TOKEN_INIT(token,token_encoding,start_mark,end_mark) \
506 (TOKEN_INIT((token),YAML_STREAM_START_TOKEN,(start_mark),(end_mark)), \
507 (token).data.stream_start.encoding = (token_encoding))
508
509#define STREAM_END_TOKEN_INIT(token,start_mark,end_mark) \
510 (TOKEN_INIT((token),YAML_STREAM_END_TOKEN,(start_mark),(end_mark)))
511
512#define ALIAS_TOKEN_INIT(token,token_value,start_mark,end_mark) \
513 (TOKEN_INIT((token),YAML_ALIAS_TOKEN,(start_mark),(end_mark)), \
514 (token).data.alias.value = (token_value))
515
516#define ANCHOR_TOKEN_INIT(token,token_value,start_mark,end_mark) \
517 (TOKEN_INIT((token),YAML_ANCHOR_TOKEN,(start_mark),(end_mark)), \
518 (token).data.anchor.value = (token_value))
519
520#define TAG_TOKEN_INIT(token,token_handle,token_suffix,start_mark,end_mark) \
521 (TOKEN_INIT((token),YAML_TAG_TOKEN,(start_mark),(end_mark)), \
522 (token).data.tag.handle = (token_handle), \
523 (token).data.tag.suffix = (token_suffix))
524
525#define SCALAR_TOKEN_INIT(token,token_value,token_length,token_style,start_mark,end_mark) \
526 (TOKEN_INIT((token),YAML_SCALAR_TOKEN,(start_mark),(end_mark)), \
527 (token).data.scalar.value = (token_value), \
528 (token).data.scalar.length = (token_length), \
529 (token).data.scalar.style = (token_style))
530
531#define VERSION_DIRECTIVE_TOKEN_INIT(token,token_major,token_minor,start_mark,end_mark) \
532 (TOKEN_INIT((token),YAML_VERSION_DIRECTIVE_TOKEN,(start_mark),(end_mark)), \
533 (token).data.version_directive.major = (token_major), \
534 (token).data.version_directive.minor = (token_minor))
535
536#define TAG_DIRECTIVE_TOKEN_INIT(token,token_handle,token_prefix,start_mark,end_mark) \
537 (TOKEN_INIT((token),YAML_TAG_DIRECTIVE_TOKEN,(start_mark),(end_mark)), \
538 (token).data.tag_directive.handle = (token_handle), \
539 (token).data.tag_directive.prefix = (token_prefix))
540
541/*
542 * Event initializers.
543 */
544
545#define EVENT_INIT(event,event_type,event_start_mark,event_end_mark) \
546 (memset(&(event), 0, sizeof(yaml_event_t)), \
547 (event).type = (event_type), \
548 (event).start_mark = (event_start_mark), \
549 (event).end_mark = (event_end_mark))
550
551#define STREAM_START_EVENT_INIT(event,event_encoding,start_mark,end_mark) \
552 (EVENT_INIT((event),YAML_STREAM_START_EVENT,(start_mark),(end_mark)), \
553 (event).data.stream_start.encoding = (event_encoding))
554
555#define STREAM_END_EVENT_INIT(event,start_mark,end_mark) \
556 (EVENT_INIT((event),YAML_STREAM_END_EVENT,(start_mark),(end_mark)))
557
558#define DOCUMENT_START_EVENT_INIT(event,event_version_directive, \
559 event_tag_directives_start,event_tag_directives_end,event_implicit,start_mark,end_mark) \
560 (EVENT_INIT((event),YAML_DOCUMENT_START_EVENT,(start_mark),(end_mark)), \
561 (event).data.document_start.version_directive = (event_version_directive), \
562 (event).data.document_start.tag_directives.start = (event_tag_directives_start), \
563 (event).data.document_start.tag_directives.end = (event_tag_directives_end), \
564 (event).data.document_start.implicit = (event_implicit))
565
566#define DOCUMENT_END_EVENT_INIT(event,event_implicit,start_mark,end_mark) \
567 (EVENT_INIT((event),YAML_DOCUMENT_END_EVENT,(start_mark),(end_mark)), \
568 (event).data.document_end.implicit = (event_implicit))
569
570#define ALIAS_EVENT_INIT(event,event_anchor,start_mark,end_mark) \
571 (EVENT_INIT((event),YAML_ALIAS_EVENT,(start_mark),(end_mark)), \
572 (event).data.alias.anchor = (event_anchor))
573
574#define SCALAR_EVENT_INIT(event,event_anchor,event_tag,event_value,event_length, \
575 event_plain_implicit, event_quoted_implicit,event_style,start_mark,end_mark) \
576 (EVENT_INIT((event),YAML_SCALAR_EVENT,(start_mark),(end_mark)), \
577 (event).data.scalar.anchor = (event_anchor), \
578 (event).data.scalar.tag = (event_tag), \
579 (event).data.scalar.value = (event_value), \
580 (event).data.scalar.length = (event_length), \
581 (event).data.scalar.plain_implicit = (event_plain_implicit), \
582 (event).data.scalar.quoted_implicit = (event_quoted_implicit), \
583 (event).data.scalar.style = (event_style))
584
585#define SEQUENCE_START_EVENT_INIT(event,event_anchor,event_tag, \
586 event_implicit,event_style,start_mark,end_mark) \
587 (EVENT_INIT((event),YAML_SEQUENCE_START_EVENT,(start_mark),(end_mark)), \
588 (event).data.sequence_start.anchor = (event_anchor), \
589 (event).data.sequence_start.tag = (event_tag), \
590 (event).data.sequence_start.implicit = (event_implicit), \
591 (event).data.sequence_start.style = (event_style))
592
593#define SEQUENCE_END_EVENT_INIT(event,start_mark,end_mark) \
594 (EVENT_INIT((event),YAML_SEQUENCE_END_EVENT,(start_mark),(end_mark)))
595
596#define MAPPING_START_EVENT_INIT(event,event_anchor,event_tag, \
597 event_implicit,event_style,start_mark,end_mark) \
598 (EVENT_INIT((event),YAML_MAPPING_START_EVENT,(start_mark),(end_mark)), \
599 (event).data.mapping_start.anchor = (event_anchor), \
600 (event).data.mapping_start.tag = (event_tag), \
601 (event).data.mapping_start.implicit = (event_implicit), \
602 (event).data.mapping_start.style = (event_style))
603
604#define MAPPING_END_EVENT_INIT(event,start_mark,end_mark) \
605 (EVENT_INIT((event),YAML_MAPPING_END_EVENT,(start_mark),(end_mark)))
606
e27a3c88
KS		 607/*
608 * Document initializer.
609 */
610
611#define DOCUMENT_INIT(document,document_nodes_start,document_nodes_end, \
612 document_version_directive,document_tag_directives_start, \
613 document_tag_directives_end,document_start_implicit, \
c9b74def 614 document_end_implicit,document_start_mark,document_end_mark) \
e27a3c88
KS		 615 (memset(&(document), 0, sizeof(yaml_document_t)), \
616 (document).nodes.start = (document_nodes_start), \
617 (document).nodes.end = (document_nodes_end), \
618 (document).nodes.top = (document_nodes_start), \
619 (document).version_directive = (document_version_directive), \
620 (document).tag_directives.start = (document_tag_directives_start), \
621 (document).tag_directives.end = (document_tag_directives_end), \
622 (document).start_implicit = (document_start_implicit), \
c9b74def
KS		 623 (document).end_implicit = (document_end_implicit), \
624 (document).start_mark = (document_start_mark), \
625 (document).end_mark = (document_end_mark))
e27a3c88 626
a907bf85
KS		 627/*
628 * Node initializers.
629 */
630
e27a3c88 631#define NODE_INIT(node,node_type,node_tag,node_start_mark,node_end_mark) \
a907bf85
KS		 632 (memset(&(node), 0, sizeof(yaml_node_t)), \
633 (node).type = (node_type), \
e27a3c88 634 (node).tag = (node_tag), \
a907bf85
KS		 635 (node).start_mark = (node_start_mark), \
636 (node).end_mark = (node_end_mark))
637
638#define SCALAR_NODE_INIT(node,node_tag,node_value,node_length, \
639 node_style,start_mark,end_mark) \
e27a3c88 640 (NODE_INIT((node),YAML_SCALAR_NODE,(node_tag),(start_mark),(end_mark)), \
a907bf85
KS		 641 (node).data.scalar.value = (node_value), \
642 (node).data.scalar.length = (node_length), \
643 (node).data.scalar.style = (node_style))
644
645#define SEQUENCE_NODE_INIT(node,node_tag,node_items_start,node_items_end, \
646 node_style,start_mark,end_mark) \
e27a3c88 647 (NODE_INIT((node),YAML_SEQUENCE_NODE,(node_tag),(start_mark),(end_mark)), \
a907bf85
KS		 648 (node).data.sequence.items.start = (node_items_start), \
649 (node).data.sequence.items.end = (node_items_end), \
650 (node).data.sequence.items.top = (node_items_start), \
651 (node).data.sequence.style = (node_style))
652
653#define MAPPING_NODE_INIT(node,node_tag,node_pairs_start,node_pairs_end, \
654 node_style,start_mark,end_mark) \
e27a3c88 655 (NODE_INIT((node),YAML_MAPPING_NODE,(node_tag),(start_mark),(end_mark)), \
a907bf85
KS		 656 (node).data.mapping.pairs.start = (node_pairs_start), \
657 (node).data.mapping.pairs.end = (node_pairs_end), \
658 (node).data.mapping.pairs.top = (node_pairs_start), \
659 (node).data.mapping.style = (node_style))
fc2dd942
RU		 660
661/* Strict C compiler warning helpers */
662
663#if defined(__clang__) || defined(__GNUC__)
664# define HASATTRIBUTE_UNUSED
665#endif
666#ifdef HASATTRIBUTE_UNUSED
667# define __attribute__unused__ __attribute__((__unused__))
668#else
669# define __attribute__unused__
670#endif
671
672/* Shim arguments are arguments that must be included in your function,
673 * but serve no purpose inside. Silence compiler warnings. */
674#define SHIM(a) /*@unused@*/ a __attribute__unused__
675
676/* UNUSED_PARAM() marks a shim argument in the body to silence compiler warnings */
677#ifdef __clang__
678# define UNUSED_PARAM(a) (void)(a);
679#else
680# define UNUSED_PARAM(a) /*@-noeffect*/if (0) (void)(a)/*@=noeffect*/;
681#endif
682
683#define YAML_MALLOC_STATIC(type) (type*)yaml_malloc(sizeof(type))
684#define YAML_MALLOC(size) (yaml_char_t *)yaml_malloc(size)
Fast YAML 1.1 parser and emitter library
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