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*/