Actual source code: yaml_private.h

  1: #ifndef YAML_PRIVATE_H
  2: #define YAML_PRIVATE_H

  4: #include <assert.h>
  5: #include <limits.h>
  6: #include <stddef.h>

  8: /*
  9:  * Memory management.
 10:  */

 12: YAML_DECLARE(void *)
 13: yaml_malloc(size_t size);

 15: YAML_DECLARE(void *)
 16: yaml_realloc(void *ptr, size_t size);

 18: YAML_DECLARE(void)
 19: yaml_free(void *ptr);

 21: YAML_DECLARE(yaml_char_t *)
 22: yaml_strdup(const yaml_char_t *);

 24: /*
 25:  * Reader: Ensure that the buffer contains at least `length` characters.
 26:  */

 28: YAML_DECLARE(int)
 29: yaml_parser_update_buffer(yaml_parser_t *parser, size_t length);

 31: /*
 32:  * Scanner: Ensure that the token stack contains at least one token ready.
 33:  */

 35: YAML_DECLARE(int)
 36: yaml_parser_fetch_more_tokens(yaml_parser_t *parser);

 38: /*
 39:  * The size of the input raw buffer.
 40:  */

 42: #define INPUT_RAW_BUFFER_SIZE   16384

 44: /*
 45:  * The size of the input buffer.
 46:  *
 47:  * It should be possible to decode the whole raw buffer.
 48:  */

 50: #define INPUT_BUFFER_SIZE       (INPUT_RAW_BUFFER_SIZE*3)

 52: /*
 53:  * The size of the output buffer.
 54:  */

 56: #define OUTPUT_BUFFER_SIZE      16384

 58: /*
 59:  * The size of the output raw buffer.
 60:  *
 61:  * It should be possible to encode the whole output buffer.
 62:  */

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

 66: /*
 67:  * The maximum size of a YAML input file.
 68:  * This used to be PTRDIFF_MAX, but that's not entirely portable
 69:  * because stdint.h isn't available on all platforms.
 70:  * It is not entirely clear why this isn't the maximum value
 71:  * that can fit into the parser->offset field.
 72:  */

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


 77: /*
 78:  * The size of other stacks and queues.
 79:  */

 81: #define INITIAL_STACK_SIZE  16
 82: #define INITIAL_QUEUE_SIZE  16
 83: #define INITIAL_STRING_SIZE 16

 85: /*
 86:  * Buffer management.
 87:  */

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

 97: #define BUFFER_DEL(context,buffer)                                              \
 98:     (yaml_free((buffer).start),                                                 \
 99:      (buffer).start = (buffer).pointer = (buffer).end = NULL)

101: /*
102:  * String management.
103:  */

105: typedef struct {
106:     yaml_char_t *start;
107:     yaml_char_t *end;
108:     yaml_char_t *pointer;
109: } yaml_string_t;

111: YAML_DECLARE(int)
112: yaml_string_extend(yaml_char_t **start,
113:         yaml_char_t **pointer, yaml_char_t **end);

115: YAML_DECLARE(int)
116: yaml_string_join(
117:         yaml_char_t **a_start, yaml_char_t **a_pointer, yaml_char_t **a_end,
118:         yaml_char_t **b_start, yaml_char_t **b_pointer, yaml_char_t **b_end);

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

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

124: #define STRING_ASSIGN(value,string,length)                                      \
125:     ((value).start = (string),                                                  \
126:      (value).end = (string)+(length),                                           \
127:      (value).pointer = (string))

129: #define STRING_INIT(context,string,size)                                        \
130:     (((string).start = YAML_MALLOC(size)) ?                                     \
131:         ((string).pointer = (string).start,                                     \
132:          (string).end = (string).start+(size),                                  \
133:          memset((string).start, 0, (size)),                                     \
134:          1) :                                                                   \
135:         ((context)->error = YAML_MEMORY_ERROR,                                  \
136:          0))

138: #define STRING_DEL(context,string)                                              \
139:     (yaml_free((string).start),                                                 \
140:      (string).start = (string).pointer = (string).end = NULL)

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

150: #define CLEAR(context,string)                                                   \
151:     ((string).pointer = (string).start,                                         \
152:      memset((string).start, 0, (string).end-(string).start))

154: #define JOIN(context,string_a,string_b)                                         \
155:     ((yaml_string_join(&(string_a).start, &(string_a).pointer,                  \
156:                        &(string_a).end, &(string_b).start,                      \
157:                        &(string_b).pointer, &(string_b).end)) ?                 \
158:         ((string_b).pointer = (string_b).start,                                 \
159:          1) :                                                                   \
160:         ((context)->error = YAML_MEMORY_ERROR,                                  \
161:          0))

163: /*
164:  * String check operations.
165:  */

167: /*
168:  * Check the octet at the specified position.
169:  */

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

174: /*
175:  * Check the current octet in the buffer.
176:  */

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

180: /*
181:  * Check if the character at the specified position is an alphabetical
182:  * character, a digit, '_', or '-'.
183:  */

185: #define IS_ALPHA_AT(string,offset)                                              \
186:      (((string).pointer[offset] >= (yaml_char_t) '0' &&                         \
187:        (string).pointer[offset] <= (yaml_char_t) '9') ||                        \
188:       ((string).pointer[offset] >= (yaml_char_t) 'A' &&                         \
189:        (string).pointer[offset] <= (yaml_char_t) 'Z') ||                        \
190:       ((string).pointer[offset] >= (yaml_char_t) 'a' &&                         \
191:        (string).pointer[offset] <= (yaml_char_t) 'z') ||                        \
192:       (string).pointer[offset] == '_' ||                                        \
193:       (string).pointer[offset] == '-')

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

197: /*
198:  * Check if the character at the specified position is a digit.
199:  */

201: #define IS_DIGIT_AT(string,offset)                                              \
202:      (((string).pointer[offset] >= (yaml_char_t) '0' &&                         \
203:        (string).pointer[offset] <= (yaml_char_t) '9'))

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

207: /*
208:  * Get the value of a digit.
209:  */

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

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

216: /*
217:  * Check if the character at the specified position is a hex-digit.
218:  */

220: #define IS_HEX_AT(string,offset)                                                \
221:      (((string).pointer[offset] >= (yaml_char_t) '0' &&                         \
222:        (string).pointer[offset] <= (yaml_char_t) '9') ||                        \
223:       ((string).pointer[offset] >= (yaml_char_t) 'A' &&                         \
224:        (string).pointer[offset] <= (yaml_char_t) 'F') ||                        \
225:       ((string).pointer[offset] >= (yaml_char_t) 'a' &&                         \
226:        (string).pointer[offset] <= (yaml_char_t) 'f'))

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

230: /*
231:  * Get the value of a hex-digit.
232:  */

234: #define AS_HEX_AT(string,offset)                                                \
235:       (((string).pointer[offset] >= (yaml_char_t) 'A' &&                        \
236:         (string).pointer[offset] <= (yaml_char_t) 'F') ?                        \
237:        ((string).pointer[offset] - (yaml_char_t) 'A' + 10) :                    \
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) '0'))

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

245: /*
246:  * Check if the character is ASCII.
247:  */

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

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

254: /*
255:  * Check if the character can be printed unescaped.
256:  */

258: #define IS_PRINTABLE_AT(string,offset)                                          \
259:     (((string).pointer[offset] == 0x0A)         /* . == #x0A */                 \
260:      || ((string).pointer[offset] >= 0x20       /* #x20 <= . <= #x7E */         \
261:          && (string).pointer[offset] <= 0x7E)                                   \
262:      || ((string).pointer[offset] == 0xC2       /* #0xA0 <= . <= #xD7FF */      \
263:          && (string).pointer[offset+1] >= 0xA0)                                 \
264:      || ((string).pointer[offset] > 0xC2                                        \
265:          && (string).pointer[offset] < 0xED)                                    \
266:      || ((string).pointer[offset] == 0xED                                       \
267:          && (string).pointer[offset+1] < 0xA0)                                  \
268:      || ((string).pointer[offset] == 0xEE)                                      \
269:      || ((string).pointer[offset] == 0xEF      /* #xE000 <= . <= #xFFFD */      \
270:          && !((string).pointer[offset+1] == 0xBB        /* && . != #xFEFF */    \
271:              && (string).pointer[offset+2] == 0xBF)                             \
272:          && !((string).pointer[offset+1] == 0xBF                                \
273:              && ((string).pointer[offset+2] == 0xBE                             \
274:                  || (string).pointer[offset+2] == 0xBF))))

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

278: /*
279:  * Check if the character at the specified position is NUL.
280:  */

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

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

286: /*
287:  * Check if the character at the specified position is BOM.
288:  */

290: #define IS_BOM_AT(string,offset)                                                \
291:      (CHECK_AT((string),'\xEF',(offset))                                        \
292:       && CHECK_AT((string),'\xBB',(offset)+1)                                   \
293:       && CHECK_AT((string),'\xBF',(offset)+2))  /* BOM (#xFEFF) */

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

297: /*
298:  * Check if the character at the specified position is space.
299:  */

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

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

305: /*
306:  * Check if the character at the specified position is tab.
307:  */

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

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

313: /*
314:  * Check if the character at the specified position is blank (space or tab).
315:  */

317: #define IS_BLANK_AT(string,offset)                                              \
318:     (IS_SPACE_AT((string),(offset)) || IS_TAB_AT((string),(offset)))

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

322: /*
323:  * Check if the character at the specified position is a line break.
324:  */

326: #define IS_BREAK_AT(string,offset)                                              \
327:     (CHECK_AT((string),'\r',(offset))               /* CR (#xD)*/               \
328:      || CHECK_AT((string),'\n',(offset))            /* LF (#xA) */              \
329:      || (CHECK_AT((string),'\xC2',(offset))                                     \
330:          && CHECK_AT((string),'\x85',(offset)+1))   /* NEL (#x85) */            \
331:      || (CHECK_AT((string),'\xE2',(offset))                                     \
332:          && CHECK_AT((string),'\x80',(offset)+1)                                \
333:          && CHECK_AT((string),'\xA8',(offset)+2))   /* LS (#x2028) */           \
334:      || (CHECK_AT((string),'\xE2',(offset))                                     \
335:          && CHECK_AT((string),'\x80',(offset)+1)                                \
336:          && CHECK_AT((string),'\xA9',(offset)+2)))  /* PS (#x2029) */

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

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

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

345: /*
346:  * Check if the character is a line break or NUL.
347:  */

349: #define IS_BREAKZ_AT(string,offset)                                             \
350:     (IS_BREAK_AT((string),(offset)) || IS_Z_AT((string),(offset)))

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

354: /*
355:  * Check if the character is a line break, space, or NUL.
356:  */

358: #define IS_SPACEZ_AT(string,offset)                                             \
359:     (IS_SPACE_AT((string),(offset)) || IS_BREAKZ_AT((string),(offset)))

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

363: /*
364:  * Check if the character is a line break, space, tab, or NUL.
365:  */

367: #define IS_BLANKZ_AT(string,offset)                                             \
368:     (IS_BLANK_AT((string),(offset)) || IS_BREAKZ_AT((string),(offset)))

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

372: /*
373:  * Determine the width of the character.
374:  */

376: #define WIDTH_AT(string,offset)                                                 \
377:      (((string).pointer[offset] & 0x80) == 0x00 ? 1 :                           \
378:       ((string).pointer[offset] & 0xE0) == 0xC0 ? 2 :                           \
379:       ((string).pointer[offset] & 0xF0) == 0xE0 ? 3 :                           \
380:       ((string).pointer[offset] & 0xF8) == 0xF0 ? 4 : 0)

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

384: /*
385:  * Move the string pointer to the next character.
386:  */

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

390: /*
391:  * Copy a character and move the pointers of both strings.
392:  */

394: #define COPY(string_a,string_b)                                                 \
395:     ((*(string_b).pointer & 0x80) == 0x00 ?                                     \
396:      (*((string_a).pointer++) = *((string_b).pointer++)) :                      \
397:      (*(string_b).pointer & 0xE0) == 0xC0 ?                                     \
398:      (*((string_a).pointer++) = *((string_b).pointer++),                        \
399:       *((string_a).pointer++) = *((string_b).pointer++)) :                      \
400:      (*(string_b).pointer & 0xF0) == 0xE0 ?                                     \
401:      (*((string_a).pointer++) = *((string_b).pointer++),                        \
402:       *((string_a).pointer++) = *((string_b).pointer++),                        \
403:       *((string_a).pointer++) = *((string_b).pointer++)) :                      \
404:      (*(string_b).pointer & 0xF8) == 0xF0 ?                                     \
405:      (*((string_a).pointer++) = *((string_b).pointer++),                        \
406:       *((string_a).pointer++) = *((string_b).pointer++),                        \
407:       *((string_a).pointer++) = *((string_b).pointer++),                        \
408:       *((string_a).pointer++) = *((string_b).pointer++)) : 0)

410: /*
411:  * Stack and queue management.
412:  */

414: YAML_DECLARE(int)
415: yaml_stack_extend(void **start, void **top, void **end);

417: YAML_DECLARE(int)
418: yaml_queue_extend(void **start, void **head, void **tail, void **end);

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

428: #define STACK_DEL(context,stack)                                                \
429:     (yaml_free((stack).start),                                                  \
430:      (stack).start = (stack).top = (stack).end = NULL)

432: #define STACK_EMPTY(context,stack)                                              \
433:     ((stack).start == (stack).top)

435: #define STACK_LIMIT(context,stack,size)                                         \
436:     ((stack).top - (stack).start < (size) ?                                     \
437:         1 :                                                                     \
438:         ((context)->error = YAML_MEMORY_ERROR,                                  \
439:          0))

441: #define PUSH(context,stack,value)                                               \
442:     (((stack).top != (stack).end                                                \
443:       || yaml_stack_extend((void **)&(stack).start,                             \
444:               (void **)&(stack).top, (void **)&(stack).end)) ?                  \
445:         (*((stack).top++) = value,                                              \
446:          1) :                                                                   \
447:         ((context)->error = YAML_MEMORY_ERROR,                                  \
448:          0))

450: #define POP(context,stack)                                                      \
451:     (*(--(stack).top))

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

461: #define QUEUE_DEL(context,queue)                                                \
462:     (yaml_free((queue).start),                                                  \
463:      (queue).start = (queue).head = (queue).tail = (queue).end = NULL)

465: #define QUEUE_EMPTY(context,queue)                                              \
466:     ((queue).head == (queue).tail)

468: #define ENQUEUE(context,queue,value)                                            \
469:     (((queue).tail != (queue).end                                               \
470:       || yaml_queue_extend((void **)&(queue).start, (void **)&(queue).head,     \
471:             (void **)&(queue).tail, (void **)&(queue).end)) ?                   \
472:         (*((queue).tail++) = value,                                             \
473:          1) :                                                                   \
474:         ((context)->error = YAML_MEMORY_ERROR,                                  \
475:          0))

477: #define DEQUEUE(context,queue)                                                  \
478:     (*((queue).head++))

480: #define QUEUE_INSERT(context,queue,index,value)                                 \
481:     (((queue).tail != (queue).end                                               \
482:       || yaml_queue_extend((void **)&(queue).start, (void **)&(queue).head,     \
483:             (void **)&(queue).tail, (void **)&(queue).end)) ?                   \
484:         (memmove((queue).head+(index)+1,(queue).head+(index),                   \
485:             ((queue).tail-(queue).head-(index))*sizeof(*(queue).start)),        \
486:          *((queue).head+(index)) = value,                                       \
487:          (queue).tail++,                                                        \
488:          1) :                                                                   \
489:         ((context)->error = YAML_MEMORY_ERROR,                                  \
490:          0))

492: /*
493:  * Token initializers.
494:  */

496: #define TOKEN_INIT(token,token_type,token_start_mark,token_end_mark)            \
497:     (memset(&(token), 0, sizeof(yaml_token_t)),                                 \
498:      (token).type = (token_type),                                               \
499:      (token).start_mark = (token_start_mark),                                   \
500:      (token).end_mark = (token_end_mark))

502: #define STREAM_START_TOKEN_INIT(token,token_encoding,start_mark,end_mark)       \
503:     (TOKEN_INIT((token),YAML_STREAM_START_TOKEN,(start_mark),(end_mark)),       \
504:      (token).data.stream_start.encoding = (token_encoding))

506: #define STREAM_END_TOKEN_INIT(token,start_mark,end_mark)                        \
507:     (TOKEN_INIT((token),YAML_STREAM_END_TOKEN,(start_mark),(end_mark)))

509: #define ALIAS_TOKEN_INIT(token,token_value,start_mark,end_mark)                 \
510:     (TOKEN_INIT((token),YAML_ALIAS_TOKEN,(start_mark),(end_mark)),              \
511:      (token).data.alias.value = (token_value))

513: #define ANCHOR_TOKEN_INIT(token,token_value,start_mark,end_mark)                \
514:     (TOKEN_INIT((token),YAML_ANCHOR_TOKEN,(start_mark),(end_mark)),             \
515:      (token).data.anchor.value = (token_value))

517: #define TAG_TOKEN_INIT(token,token_handle,token_suffix,start_mark,end_mark)     \
518:     (TOKEN_INIT((token),YAML_TAG_TOKEN,(start_mark),(end_mark)),                \
519:      (token).data.tag.handle = (token_handle),                                  \
520:      (token).data.tag.suffix = (token_suffix))

522: #define SCALAR_TOKEN_INIT(token,token_value,token_length,token_style,start_mark,end_mark)   \
523:     (TOKEN_INIT((token),YAML_SCALAR_TOKEN,(start_mark),(end_mark)),             \
524:      (token).data.scalar.value = (token_value),                                 \
525:      (token).data.scalar.length = (token_length),                               \
526:      (token).data.scalar.style = (token_style))

528: #define VERSION_DIRECTIVE_TOKEN_INIT(token,token_major,token_minor,start_mark,end_mark)     \
529:     (TOKEN_INIT((token),YAML_VERSION_DIRECTIVE_TOKEN,(start_mark),(end_mark)),  \
530:      (token).data.version_directive.major = (token_major),                      \
531:      (token).data.version_directive.minor = (token_minor))

533: #define TAG_DIRECTIVE_TOKEN_INIT(token,token_handle,token_prefix,start_mark,end_mark)       \
534:     (TOKEN_INIT((token),YAML_TAG_DIRECTIVE_TOKEN,(start_mark),(end_mark)),      \
535:      (token).data.tag_directive.handle = (token_handle),                        \
536:      (token).data.tag_directive.prefix = (token_prefix))

538: /*
539:  * Event initializers.
540:  */

542: #define EVENT_INIT(event,event_type,event_start_mark,event_end_mark)            \
543:     (memset(&(event), 0, sizeof(yaml_event_t)),                                 \
544:      (event).type = (event_type),                                               \
545:      (event).start_mark = (event_start_mark),                                   \
546:      (event).end_mark = (event_end_mark))

548: #define STREAM_START_EVENT_INIT(event,event_encoding,start_mark,end_mark)       \
549:     (EVENT_INIT((event),YAML_STREAM_START_EVENT,(start_mark),(end_mark)),       \
550:      (event).data.stream_start.encoding = (event_encoding))

552: #define STREAM_END_EVENT_INIT(event,start_mark,end_mark)                        \
553:     (EVENT_INIT((event),YAML_STREAM_END_EVENT,(start_mark),(end_mark)))

555: #define DOCUMENT_START_EVENT_INIT(event,event_version_directive,                \
556:         event_tag_directives_start,event_tag_directives_end,event_implicit,start_mark,end_mark) \
557:     (EVENT_INIT((event),YAML_DOCUMENT_START_EVENT,(start_mark),(end_mark)),     \
558:      (event).data.document_start.version_directive = (event_version_directive), \
559:      (event).data.document_start.tag_directives.start = (event_tag_directives_start),   \
560:      (event).data.document_start.tag_directives.end = (event_tag_directives_end),   \
561:      (event).data.document_start.implicit = (event_implicit))

563: #define DOCUMENT_END_EVENT_INIT(event,event_implicit,start_mark,end_mark)       \
564:     (EVENT_INIT((event),YAML_DOCUMENT_END_EVENT,(start_mark),(end_mark)),       \
565:      (event).data.document_end.implicit = (event_implicit))

567: #define ALIAS_EVENT_INIT(event,event_anchor,start_mark,end_mark)                \
568:     (EVENT_INIT((event),YAML_ALIAS_EVENT,(start_mark),(end_mark)),              \
569:      (event).data.alias.anchor = (event_anchor))

571: #define SCALAR_EVENT_INIT(event,event_anchor,event_tag,event_value,event_length,    \
572:         event_plain_implicit, event_quoted_implicit,event_style,start_mark,end_mark)    \
573:     (EVENT_INIT((event),YAML_SCALAR_EVENT,(start_mark),(end_mark)),             \
574:      (event).data.scalar.anchor = (event_anchor),                               \
575:      (event).data.scalar.tag = (event_tag),                                     \
576:      (event).data.scalar.value = (event_value),                                 \
577:      (event).data.scalar.length = (event_length),                               \
578:      (event).data.scalar.plain_implicit = (event_plain_implicit),               \
579:      (event).data.scalar.quoted_implicit = (event_quoted_implicit),             \
580:      (event).data.scalar.style = (event_style))

582: #define SEQUENCE_START_EVENT_INIT(event,event_anchor,event_tag,                 \
583:         event_implicit,event_style,start_mark,end_mark)                         \
584:     (EVENT_INIT((event),YAML_SEQUENCE_START_EVENT,(start_mark),(end_mark)),     \
585:      (event).data.sequence_start.anchor = (event_anchor),                       \
586:      (event).data.sequence_start.tag = (event_tag),                             \
587:      (event).data.sequence_start.implicit = (event_implicit),                   \
588:      (event).data.sequence_start.style = (event_style))

590: #define SEQUENCE_END_EVENT_INIT(event,start_mark,end_mark)                      \
591:     (EVENT_INIT((event),YAML_SEQUENCE_END_EVENT,(start_mark),(end_mark)))

593: #define MAPPING_START_EVENT_INIT(event,event_anchor,event_tag,                  \
594:         event_implicit,event_style,start_mark,end_mark)                         \
595:     (EVENT_INIT((event),YAML_MAPPING_START_EVENT,(start_mark),(end_mark)),      \
596:      (event).data.mapping_start.anchor = (event_anchor),                        \
597:      (event).data.mapping_start.tag = (event_tag),                              \
598:      (event).data.mapping_start.implicit = (event_implicit),                    \
599:      (event).data.mapping_start.style = (event_style))

601: #define MAPPING_END_EVENT_INIT(event,start_mark,end_mark)                       \
602:     (EVENT_INIT((event),YAML_MAPPING_END_EVENT,(start_mark),(end_mark)))

604: /*
605:  * Document initializer.
606:  */

608: #define DOCUMENT_INIT(document,document_nodes_start,document_nodes_end,         \
609:         document_version_directive,document_tag_directives_start,               \
610:         document_tag_directives_end,document_start_implicit,                    \
611:         document_end_implicit,document_start_mark,document_end_mark)            \
612:     (memset(&(document), 0, sizeof(yaml_document_t)),                           \
613:      (document).nodes.start = (document_nodes_start),                           \
614:      (document).nodes.end = (document_nodes_end),                               \
615:      (document).nodes.top = (document_nodes_start),                             \
616:      (document).version_directive = (document_version_directive),               \
617:      (document).tag_directives.start = (document_tag_directives_start),         \
618:      (document).tag_directives.end = (document_tag_directives_end),             \
619:      (document).start_implicit = (document_start_implicit),                     \
620:      (document).end_implicit = (document_end_implicit),                         \
621:      (document).start_mark = (document_start_mark),                             \
622:      (document).end_mark = (document_end_mark))

624: /*
625:  * Node initializers.
626:  */

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

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

642: #define SEQUENCE_NODE_INIT(node,node_tag,node_items_start,node_items_end,       \
643:         node_style,start_mark,end_mark)                                         \
644:     (NODE_INIT((node),YAML_SEQUENCE_NODE,(node_tag),(start_mark),(end_mark)),   \
645:      (node).data.sequence.items.start = (node_items_start),                     \
646:      (node).data.sequence.items.end = (node_items_end),                         \
647:      (node).data.sequence.items.top = (node_items_start),                       \
648:      (node).data.sequence.style = (node_style))

650: #define MAPPING_NODE_INIT(node,node_tag,node_pairs_start,node_pairs_end,        \
651:         node_style,start_mark,end_mark)                                         \
652:     (NODE_INIT((node),YAML_MAPPING_NODE,(node_tag),(start_mark),(end_mark)),    \
653:      (node).data.mapping.pairs.start = (node_pairs_start),                      \
654:      (node).data.mapping.pairs.end = (node_pairs_end),                          \
655:      (node).data.mapping.pairs.top = (node_pairs_start),                        \
656:      (node).data.mapping.style = (node_style))

658: /* Strict C compiler warning helpers */

660: #if defined(__clang__) || defined(__GNUC__)
661: #  define HASATTRIBUTE_UNUSED
662: #endif
663: #ifdef HASATTRIBUTE_UNUSED
664: #  define __attribute__unused__             __attribute__((__unused__))
665: #else
666: #  define __attribute__unused__
667: #endif

669: /* Shim arguments are arguments that must be included in your function,
670:  * but serve no purpose inside.  Silence compiler warnings. */
671: #define SHIM(a) /*@unused@*/ a __attribute__unused__

673: /* UNUSED_PARAM() marks a shim argument in the body to silence compiler warnings */
674: #ifdef __clang__
675: #  define UNUSED_PARAM(a) (void)(a);
676: #else
677: #  define UNUSED_PARAM(a) /*@-noeffect*/if (0) (void)(a)/*@=noeffect*/;
678: #endif

680: #define YAML_MALLOC_STATIC(type) (type*)yaml_malloc(sizeof(type))
681: #define YAML_MALLOC(size)        (yaml_char_t *)yaml_malloc(size)

683: #endif/*YAML_PRIVATE_H*/