Actual source code: yaml_private.h

  1: #if defined(__GNUC__) ||  defined(__clang__)
  2: #pragma GCC diagnostic ignored "-Wconversion"
  3: #endif
  4: #ifndef YAML_PRIVATE_H
  5: #define YAML_PRIVATE_H

  7: #include <assert.h>
  8: #include <limits.h>
  9: #include <stddef.h>

 11: /*
 12:  * Memory management.
 13:  */

 15: YAML_DECLARE(void *)
 16: yaml_malloc(size_t size);

 18: YAML_DECLARE(void *)
 19: yaml_realloc(void *ptr, size_t size);

 21: YAML_DECLARE(void)
 22: yaml_free(void *ptr);

 24: YAML_DECLARE(yaml_char_t *)
 25: yaml_strdup(const yaml_char_t *);

 27: /*
 28:  * Reader: Ensure that the buffer contains at least `length` characters.
 29:  */

 31: YAML_DECLARE(int)
 32: yaml_parser_update_buffer(yaml_parser_t *parser, size_t length);

 34: /*
 35:  * Scanner: Ensure that the token stack contains at least one token ready.
 36:  */

 38: YAML_DECLARE(int)
 39: yaml_parser_fetch_more_tokens(yaml_parser_t *parser);

 41: /*
 42:  * The size of the input raw buffer.
 43:  */

 45: #define INPUT_RAW_BUFFER_SIZE   16384

 47: /*
 48:  * The size of the input buffer.
 49:  *
 50:  * It should be possible to decode the whole raw buffer.
 51:  */

 53: #define INPUT_BUFFER_SIZE       (INPUT_RAW_BUFFER_SIZE*3)

 55: /*
 56:  * The size of the output buffer.
 57:  */

 59: #define OUTPUT_BUFFER_SIZE      16384

 61: /*
 62:  * The size of the output raw buffer.
 63:  *
 64:  * It should be possible to encode the whole output buffer.
 65:  */

 67: #define OUTPUT_RAW_BUFFER_SIZE  (OUTPUT_BUFFER_SIZE*2+2)

 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:  */

 77: #define MAX_FILE_SIZE (~(size_t)0 / 2)


 80: /*
 81:  * The size of other stacks and queues.
 82:  */

 84: #define INITIAL_STACK_SIZE  16
 85: #define INITIAL_QUEUE_SIZE  16
 86: #define INITIAL_STRING_SIZE 16

 88: /*
 89:  * Buffer management.
 90:  */

 92: #define BUFFER_INIT(context,buffer,size)                                        \
 93:   (((buffer).start = (yaml_char_t *)yaml_malloc(size)) ?                        \
 94:         ((buffer).last = (buffer).pointer = (buffer).start,                     \
 95:          (buffer).end = (buffer).start+(size),                                  \
 96:          1) :                                                                   \
 97:         ((context)->error = YAML_MEMORY_ERROR,                                  \
 98:          0))

100: #define BUFFER_DEL(context,buffer)                                              \
101:     (yaml_free((buffer).start),                                                 \
102:      (buffer).start = (buffer).pointer = (buffer).end = NULL)

104: /*
105:  * String management.
106:  */

108: typedef struct {
109:     yaml_char_t *start;
110:     yaml_char_t *end;
111:     yaml_char_t *pointer;
112: } yaml_string_t;

114: YAML_DECLARE(int)
115: yaml_string_extend(yaml_char_t **start,
116:         yaml_char_t **pointer, yaml_char_t **end);

118: YAML_DECLARE(int)
119: yaml_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);

123: #define NULL_STRING { NULL, NULL, NULL }

125: #define STRING(string,length)   { (string), (string)+(length), (string) }

127: #define STRING_ASSIGN(value,string,length)                                      \
128:     ((value).start = (string),                                                  \
129:      (value).end = (string)+(length),                                           \
130:      (value).pointer = (string))

132: #define STRING_INIT(context,string,size)                                        \
133:     (((string).start = YAML_MALLOC(size)) ?                                     \
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))

141: #define STRING_DEL(context,string)                                              \
142:     (yaml_free((string).start),                                                 \
143:      (string).start = (string).pointer = (string).end = NULL)

145: #define STRING_EXTEND(context,string)                                           \
146:     ((((string).pointer+5 < (string).end)                                       \
147:         || yaml_string_extend(&(string).start,                                  \
148:             &(string).pointer, &(string).end)) ?                                \
149:          1 :                                                                    \
150:         ((context)->error = YAML_MEMORY_ERROR,                                  \
151:          0))

153: #define CLEAR(context,string)                                                   \
154:     ((string).pointer = (string).start,                                         \
155:      memset((string).start, 0, (string).end-(string).start))

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))

166: /*
167:  * String check operations.
168:  */

170: /*
171:  * Check the octet at the specified position.
172:  */

174: #define CHECK_AT(string,octet,offset)                   \
175:     ((string).pointer[offset] == (yaml_char_t)(octet))

177: /*
178:  * Check the current octet in the buffer.
179:  */

181: #define CHECK(string,octet) (CHECK_AT((string),(octet),0))

183: /*
184:  * Check if the character at the specified position is an alphabetical
185:  * character, a digit, '_', or '-'.
186:  */

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] == '-')

198: #define IS_ALPHA(string)    IS_ALPHA_AT((string),0)

200: /*
201:  * Check if the character at the specified position is a digit.
202:  */

204: #define IS_DIGIT_AT(string,offset)                                              \
205:      (((string).pointer[offset] >= (yaml_char_t) '0' &&                         \
206:        (string).pointer[offset] <= (yaml_char_t) '9'))

208: #define IS_DIGIT(string)    IS_DIGIT_AT((string),0)

210: /*
211:  * Get the value of a digit.
212:  */

214: #define AS_DIGIT_AT(string,offset)                                              \
215:      ((string).pointer[offset] - (yaml_char_t) '0')

217: #define AS_DIGIT(string)    AS_DIGIT_AT((string),0)

219: /*
220:  * Check if the character at the specified position is a hex-digit.
221:  */

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'))

231: #define IS_HEX(string)    IS_HEX_AT((string),0)

233: /*
234:  * Get the value of a hex-digit.
235:  */

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'))

246: #define AS_HEX(string)  AS_HEX_AT((string),0)

248: /*
249:  * Check if the character is ASCII.
250:  */

252: #define IS_ASCII_AT(string,offset)                                              \
253:     ((string).pointer[offset] <= (yaml_char_t) '\x7F')

255: #define IS_ASCII(string)    IS_ASCII_AT((string),0)

257: /*
258:  * Check if the character can be printed unescaped.
259:  */

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))))

279: #define IS_PRINTABLE(string)    IS_PRINTABLE_AT((string),0)

281: /*
282:  * Check if the character at the specified position is NUL.
283:  */

285: #define IS_Z_AT(string,offset)    CHECK_AT((string),'\0',(offset))

287: #define IS_Z(string)    IS_Z_AT((string),0)

289: /*
290:  * Check if the character at the specified position is BOM.
291:  */

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) */

298: #define IS_BOM(string)  IS_BOM_AT(string,0)

300: /*
301:  * Check if the character at the specified position is space.
302:  */

304: #define IS_SPACE_AT(string,offset)  CHECK_AT((string),' ',(offset))

306: #define IS_SPACE(string)    IS_SPACE_AT((string),0)

308: /*
309:  * Check if the character at the specified position is tab.
310:  */

312: #define IS_TAB_AT(string,offset)    CHECK_AT((string),'\t',(offset))

314: #define IS_TAB(string)  IS_TAB_AT((string),0)

316: /*
317:  * Check if the character at the specified position is blank (space or tab).
318:  */

320: #define IS_BLANK_AT(string,offset)                                              \
321:     (IS_SPACE_AT((string),(offset)) || IS_TAB_AT((string),(offset)))

323: #define IS_BLANK(string)    IS_BLANK_AT((string),0)

325: /*
326:  * Check if the character at the specified position is a line break.
327:  */

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) */

341: #define IS_BREAK(string)    IS_BREAK_AT((string),0)

343: #define IS_CRLF_AT(string,offset)                                               \
344:      (CHECK_AT((string),'\r',(offset)) && CHECK_AT((string),'\n',(offset)+1))

346: #define IS_CRLF(string) IS_CRLF_AT((string),0)

348: /*
349:  * Check if the character is a line break or NUL.
350:  */

352: #define IS_BREAKZ_AT(string,offset)                                             \
353:     (IS_BREAK_AT((string),(offset)) || IS_Z_AT((string),(offset)))

355: #define IS_BREAKZ(string)   IS_BREAKZ_AT((string),0)

357: /*
358:  * Check if the character is a line break, space, or NUL.
359:  */

361: #define IS_SPACEZ_AT(string,offset)                                             \
362:     (IS_SPACE_AT((string),(offset)) || IS_BREAKZ_AT((string),(offset)))

364: #define IS_SPACEZ(string)   IS_SPACEZ_AT((string),0)

366: /*
367:  * Check if the character is a line break, space, tab, or NUL.
368:  */

370: #define IS_BLANKZ_AT(string,offset)                                             \
371:     (IS_BLANK_AT((string),(offset)) || IS_BREAKZ_AT((string),(offset)))

373: #define IS_BLANKZ(string)   IS_BLANKZ_AT((string),0)

375: /*
376:  * Determine the width of the character.
377:  */

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)

385: #define WIDTH(string)   WIDTH_AT((string),0)

387: /*
388:  * Move the string pointer to the next character.
389:  */

391: #define MOVE(string)    ((string).pointer += WIDTH((string)))

393: /*
394:  * Copy a character and move the pointers of both strings.
395:  */

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)

413: /*
414:  * Stack and queue management.
415:  */

417: YAML_DECLARE(int)
418: yaml_stack_extend(void **start, void **top, void **end);

420: YAML_DECLARE(int)
421: yaml_queue_extend(void **start, void **head, void **tail, void **end);

423: #define STACK_INIT(context,stack,type)                                     \
424:   (((stack).start = (type)yaml_malloc(INITIAL_STACK_SIZE*sizeof(*(stack).start))) ? \
425:         ((stack).top = (stack).start,                                           \
426:          (stack).end = (stack).start+INITIAL_STACK_SIZE,                        \
427:          1) :                                                                   \
428:         ((context)->error = YAML_MEMORY_ERROR,                                  \
429:          0))

431: #define STACK_DEL(context,stack)                                                \
432:     (yaml_free((stack).start),                                                  \
433:      (stack).start = (stack).top = (stack).end = NULL)

435: #define STACK_EMPTY(context,stack)                                              \
436:     ((stack).start == (stack).top)

438: #define STACK_LIMIT(context,stack,size)                                         \
439:     ((stack).top - (stack).start < (size) ?                                     \
440:         1 :                                                                     \
441:         ((context)->error = YAML_MEMORY_ERROR,                                  \
442:          0))

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))

453: #define POP(context,stack)                                                      \
454:     (*(--(stack).top))

456: #define QUEUE_INIT(context,queue,size,type)                                     \
457:   (((queue).start = (type)yaml_malloc((size)*sizeof(*(queue).start))) ?         \
458:         ((queue).head = (queue).tail = (queue).start,                           \
459:          (queue).end = (queue).start+(size),                                    \
460:          1) :                                                                   \
461:         ((context)->error = YAML_MEMORY_ERROR,                                  \
462:          0))

464: #define QUEUE_DEL(context,queue)                                                \
465:     (yaml_free((queue).start),                                                  \
466:      (queue).start = (queue).head = (queue).tail = (queue).end = NULL)

468: #define QUEUE_EMPTY(context,queue)                                              \
469:     ((queue).head == (queue).tail)

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))

480: #define DEQUEUE(context,queue)                                                  \
481:     (*((queue).head++))

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))

495: /*
496:  * Token initializers.
497:  */

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))

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))

509: #define STREAM_END_TOKEN_INIT(token,start_mark,end_mark)                        \
510:     (TOKEN_INIT((token),YAML_STREAM_END_TOKEN,(start_mark),(end_mark)))

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))

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))

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))

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))

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))

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))

541: /*
542:  * Event initializers.
543:  */

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))

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))

555: #define STREAM_END_EVENT_INIT(event,start_mark,end_mark)                        \
556:     (EVENT_INIT((event),YAML_STREAM_END_EVENT,(start_mark),(end_mark)))

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))

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))

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))

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))

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))

593: #define SEQUENCE_END_EVENT_INIT(event,start_mark,end_mark)                      \
594:     (EVENT_INIT((event),YAML_SEQUENCE_END_EVENT,(start_mark),(end_mark)))

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))

604: #define MAPPING_END_EVENT_INIT(event,start_mark,end_mark)                       \
605:     (EVENT_INIT((event),YAML_MAPPING_END_EVENT,(start_mark),(end_mark)))

607: /*
608:  * Document initializer.
609:  */

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,                    \
614:         document_end_implicit,document_start_mark,document_end_mark)            \
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),                     \
623:      (document).end_implicit = (document_end_implicit),                         \
624:      (document).start_mark = (document_start_mark),                             \
625:      (document).end_mark = (document_end_mark))

627: /*
628:  * Node initializers.
629:  */

631: #define NODE_INIT(node,node_type,node_tag,node_start_mark,node_end_mark)        \
632:     (memset(&(node), 0, sizeof(yaml_node_t)),                                   \
633:      (node).type = (node_type),                                                 \
634:      (node).tag = (node_tag),                                                   \
635:      (node).start_mark = (node_start_mark),                                     \
636:      (node).end_mark = (node_end_mark))

638: #define SCALAR_NODE_INIT(node,node_tag,node_value,node_length,                  \
639:         node_style,start_mark,end_mark)                                         \
640:     (NODE_INIT((node),YAML_SCALAR_NODE,(node_tag),(start_mark),(end_mark)),     \
641:      (node).data.scalar.value = (node_value),                                   \
642:      (node).data.scalar.length = (node_length),                                 \
643:      (node).data.scalar.style = (node_style))

645: #define SEQUENCE_NODE_INIT(node,node_tag,node_items_start,node_items_end,       \
646:         node_style,start_mark,end_mark)                                         \
647:     (NODE_INIT((node),YAML_SEQUENCE_NODE,(node_tag),(start_mark),(end_mark)),   \
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))

653: #define MAPPING_NODE_INIT(node,node_tag,node_pairs_start,node_pairs_end,        \
654:         node_style,start_mark,end_mark)                                         \
655:     (NODE_INIT((node),YAML_MAPPING_NODE,(node_tag),(start_mark),(end_mark)),    \
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))

661: /* Strict C compiler warning helpers */

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

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__

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

683: #define YAML_MALLOC_STATIC(type) (type*)yaml_malloc(sizeof(type))
684: #define YAML_MALLOC(size)        (yaml_char_t *)yaml_malloc(size)

686: #endif/*YAML_PRIVATE_H*/