Coverage Report

Created: 2025-07-01 06:55

/src/libyaml_deconstructor_fuzzer.c
Line
Count
Source (jump to first uncovered line)
1
// Copyright 2020 Google LLC
2
//
3
// Licensed under the Apache License, Version 2.0 (the "License");
4
// you may not use this file except in compliance with the License.
5
// You may obtain a copy of the License at
6
//
7
//      http://www.apache.org/licenses/LICENSE-2.0
8
//
9
// Unless required by applicable law or agreed to in writing, software
10
// distributed under the License is distributed on an "AS IS" BASIS,
11
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12
// See the License for the specific language governing permissions and
13
// limitations under the License.
14
15
#include "yaml.h"
16
#include "yaml_write_handler.h"
17
#include <assert.h>
18
#include <stdbool.h>
19
#include <stdint.h>
20
#include <stdio.h>
21
#include <stdlib.h>
22
#include <string.h>
23
24
#ifdef NDEBUG
25
#undef NDEBUG
26
#endif
27
28
9.29k
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
29
9.29k
  if (size < 2)
30
1
    return 0;
31
32
9.28k
  bool done = false;
33
9.28k
  bool is_canonical = data[0] & 1;
34
9.28k
  bool is_unicode = data[1] & 1;
35
9.28k
  data += 2;
36
9.28k
  size -= 2;
37
38
9.28k
  yaml_parser_t parser;
39
9.28k
  yaml_emitter_t emitter;
40
9.28k
  yaml_event_t input_event;
41
9.28k
  yaml_event_t output_event;
42
43
  /* Initialize the parser and emitter objects. */
44
45
9.28k
  if (!yaml_parser_initialize(&parser)) {
46
0
    return 1;
47
0
  }
48
49
9.28k
  if (!yaml_emitter_initialize(&emitter)) {
50
0
    yaml_parser_delete(&parser);
51
0
    return 1;
52
0
  }
53
54
  /* Set the parser parameters. */
55
56
9.28k
  yaml_parser_set_input_string(&parser, data, size);
57
58
  /* Set the emitter parameters. */
59
9.28k
  yaml_output_buffer_t out = {/*buf=*/NULL, /*size=*/0, /*capacity=*/1000};
60
9.28k
  yaml_emitter_set_output(&emitter, yaml_write_handler, &out);
61
62
9.28k
  yaml_emitter_set_canonical(&emitter, is_canonical);
63
9.28k
  yaml_emitter_set_unicode(&emitter, is_unicode);
64
65
  /* Create and emit the STREAM-START event. */
66
67
9.28k
  if (!yaml_stream_start_event_initialize(&output_event, YAML_UTF8_ENCODING))
68
0
    goto error;
69
9.28k
  if (!yaml_emitter_emit(&emitter, &output_event))
70
0
    goto error;
71
72
  /* Create and emit the DOCUMENT-START event. */
73
74
9.28k
  if (!yaml_document_start_event_initialize(&output_event, NULL, NULL, NULL, 0))
75
0
    goto error;
76
9.28k
  if (!yaml_emitter_emit(&emitter, &output_event))
77
0
    goto error;
78
79
  /* Create and emit the SEQUENCE-START event. */
80
81
9.28k
  if (!yaml_sequence_start_event_initialize(
82
9.28k
          &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:seq", 1,
83
9.28k
          YAML_BLOCK_SEQUENCE_STYLE))
84
0
    goto error;
85
9.28k
  if (!yaml_emitter_emit(&emitter, &output_event))
86
0
    goto error;
87
88
  /* Loop through the input events. */
89
90
1.99M
  while (!done) {
91
    /* Get the next event. */
92
93
1.99M
    if (!yaml_parser_parse(&parser, &input_event))
94
5.34k
      goto error;
95
96
    /* Check if this is the stream end. */
97
98
1.98M
    done = (input_event.type == YAML_STREAM_END_EVENT);
99
100
    /* Create and emit a MAPPING-START event. */
101
102
1.98M
    if (!yaml_mapping_start_event_initialize(
103
1.98M
            &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:map", 1,
104
1.98M
            YAML_BLOCK_MAPPING_STYLE))
105
0
      goto error;
106
1.98M
    if (!yaml_emitter_emit(&emitter, &output_event))
107
0
      goto error;
108
109
    /* Analyze the event. */
110
111
1.98M
    switch (input_event.type) {
112
9.07k
    case YAML_STREAM_START_EVENT:
113
114
      /* Write 'type'. */
115
116
9.07k
      if (!yaml_scalar_event_initialize(
117
9.07k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
118
9.07k
              (yaml_char_t *)"type", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
119
0
        goto error;
120
9.07k
      if (!yaml_emitter_emit(&emitter, &output_event))
121
0
        goto error;
122
123
      /* Write 'STREAM-START'. */
124
125
9.07k
      if (!yaml_scalar_event_initialize(
126
9.07k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
127
9.07k
              (yaml_char_t *)"STREAM-START", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
128
0
        goto error;
129
9.07k
      if (!yaml_emitter_emit(&emitter, &output_event))
130
0
        goto error;
131
132
      /* Display encoding information. */
133
134
9.07k
      if (input_event.data.stream_start.encoding) {
135
9.07k
        yaml_encoding_t encoding = input_event.data.stream_start.encoding;
136
137
        /* Write 'encoding'. */
138
139
9.07k
        if (!yaml_scalar_event_initialize(
140
9.07k
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
141
9.07k
                (yaml_char_t *)"encoding", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
142
0
          goto error;
143
9.07k
        if (!yaml_emitter_emit(&emitter, &output_event))
144
0
          goto error;
145
146
        /* Write the stream encoding. */
147
148
9.07k
        if (!yaml_scalar_event_initialize(
149
9.07k
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
150
9.07k
                (yaml_char_t *)(encoding == YAML_UTF8_ENCODING
151
9.07k
                                    ? "utf-8"
152
9.07k
                                    : encoding == YAML_UTF16LE_ENCODING
153
423
                                          ? "utf-16-le"
154
423
                                          : encoding == YAML_UTF16BE_ENCODING
155
342
                                                ? "utf-16-be"
156
342
                                                : "unknown"),
157
9.07k
                -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
158
0
          goto error;
159
9.07k
        if (!yaml_emitter_emit(&emitter, &output_event))
160
0
          goto error;
161
9.07k
      }
162
163
9.07k
      break;
164
165
9.07k
    case YAML_STREAM_END_EVENT:
166
167
      /* Write 'type'. */
168
169
3.91k
      if (!yaml_scalar_event_initialize(
170
3.91k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
171
3.91k
              (yaml_char_t *)"type", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
172
0
        goto error;
173
3.91k
      if (!yaml_emitter_emit(&emitter, &output_event))
174
0
        goto error;
175
176
      /* Write 'STREAM-END'. */
177
178
3.91k
      if (!yaml_scalar_event_initialize(
179
3.91k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
180
3.91k
              (yaml_char_t *)"STREAM-END", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
181
0
        goto error;
182
3.91k
      if (!yaml_emitter_emit(&emitter, &output_event))
183
0
        goto error;
184
185
3.91k
      break;
186
187
214k
    case YAML_DOCUMENT_START_EVENT:
188
189
      /* Write 'type'. */
190
191
214k
      if (!yaml_scalar_event_initialize(
192
214k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
193
214k
              (yaml_char_t *)"type", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
194
0
        goto error;
195
214k
      if (!yaml_emitter_emit(&emitter, &output_event))
196
0
        goto error;
197
198
      /* Write 'DOCUMENT-START'. */
199
200
214k
      if (!yaml_scalar_event_initialize(&output_event, NULL,
201
214k
                                        (yaml_char_t *)"tag:yaml.org,2002:str",
202
214k
                                        (yaml_char_t *)"DOCUMENT-START", -1, 1,
203
214k
                                        1, YAML_PLAIN_SCALAR_STYLE))
204
0
        goto error;
205
214k
      if (!yaml_emitter_emit(&emitter, &output_event))
206
0
        goto error;
207
208
      /* Display the document version numbers. */
209
210
214k
      if (input_event.data.document_start.version_directive) {
211
191k
        yaml_version_directive_t *version =
212
191k
            input_event.data.document_start.version_directive;
213
191k
        char number[64];
214
215
        /* Write 'version'. */
216
191k
        if (!yaml_scalar_event_initialize(
217
191k
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
218
191k
                (yaml_char_t *)"version", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
219
0
          goto error;
220
191k
        if (!yaml_emitter_emit(&emitter, &output_event))
221
0
          goto error;
222
223
        /* Write '{'. */
224
225
191k
        if (!yaml_mapping_start_event_initialize(
226
191k
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:map", 1,
227
191k
                YAML_FLOW_MAPPING_STYLE))
228
0
          goto error;
229
191k
        if (!yaml_emitter_emit(&emitter, &output_event))
230
0
          goto error;
231
232
        /* Write 'major'. */
233
234
191k
        if (!yaml_scalar_event_initialize(
235
191k
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
236
191k
                (yaml_char_t *)"major", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
237
0
          goto error;
238
191k
        if (!yaml_emitter_emit(&emitter, &output_event))
239
0
          goto error;
240
241
        /* Write a number. */
242
243
191k
        sprintf(number, "%d", version->major);
244
191k
        if (!yaml_scalar_event_initialize(
245
191k
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:int",
246
191k
                (yaml_char_t *)number, -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
247
0
          goto error;
248
191k
        if (!yaml_emitter_emit(&emitter, &output_event))
249
0
          goto error;
250
251
        /* Write 'minor'. */
252
253
191k
        if (!yaml_scalar_event_initialize(
254
191k
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
255
191k
                (yaml_char_t *)"minor", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
256
0
          goto error;
257
191k
        if (!yaml_emitter_emit(&emitter, &output_event))
258
0
          goto error;
259
260
        /* Write a number. */
261
262
191k
        sprintf(number, "%d", version->minor);
263
191k
        if (!yaml_scalar_event_initialize(
264
191k
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:int",
265
191k
                (yaml_char_t *)number, -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
266
0
          goto error;
267
191k
        if (!yaml_emitter_emit(&emitter, &output_event))
268
0
          goto error;
269
270
        /* Write '}'. */
271
272
191k
        if (!yaml_mapping_end_event_initialize(&output_event))
273
0
          goto error;
274
191k
        if (!yaml_emitter_emit(&emitter, &output_event))
275
0
          goto error;
276
191k
      }
277
278
      /* Display the document tag directives. */
279
280
214k
      if (input_event.data.document_start.tag_directives.start !=
281
214k
          input_event.data.document_start.tag_directives.end) {
282
4.97k
        yaml_tag_directive_t *tag;
283
284
        /* Write 'tags'. */
285
4.97k
        if (!yaml_scalar_event_initialize(
286
4.97k
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
287
4.97k
                (yaml_char_t *)"tags", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
288
0
          goto error;
289
4.97k
        if (!yaml_emitter_emit(&emitter, &output_event))
290
0
          goto error;
291
292
        /* Start a block sequence. */
293
294
4.97k
        if (!yaml_sequence_start_event_initialize(
295
4.97k
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:seq", 1,
296
4.97k
                YAML_BLOCK_SEQUENCE_STYLE))
297
0
          goto error;
298
4.97k
        if (!yaml_emitter_emit(&emitter, &output_event))
299
0
          goto error;
300
301
4.97k
        for (tag = input_event.data.document_start.tag_directives.start;
302
16.7k
             tag != input_event.data.document_start.tag_directives.end; tag++) {
303
          /* Write '{'. */
304
305
11.7k
          if (!yaml_mapping_start_event_initialize(
306
11.7k
                  &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:map",
307
11.7k
                  1, YAML_FLOW_MAPPING_STYLE))
308
0
            goto error;
309
11.7k
          if (!yaml_emitter_emit(&emitter, &output_event))
310
0
            goto error;
311
312
          /* Write 'handle'. */
313
314
11.7k
          if (!yaml_scalar_event_initialize(
315
11.7k
                  &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
316
11.7k
                  (yaml_char_t *)"handle", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
317
0
            goto error;
318
11.7k
          if (!yaml_emitter_emit(&emitter, &output_event))
319
0
            goto error;
320
321
          /* Write the tag directive handle. */
322
323
11.7k
          if (!yaml_scalar_event_initialize(
324
11.7k
                  &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
325
11.7k
                  (yaml_char_t *)tag->handle, -1, 0, 1,
326
11.7k
                  YAML_DOUBLE_QUOTED_SCALAR_STYLE))
327
0
            goto error;
328
11.7k
          if (!yaml_emitter_emit(&emitter, &output_event))
329
0
            goto error;
330
331
          /* Write 'prefix'. */
332
333
11.7k
          if (!yaml_scalar_event_initialize(
334
11.7k
                  &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
335
11.7k
                  (yaml_char_t *)"prefix", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
336
0
            goto error;
337
11.7k
          if (!yaml_emitter_emit(&emitter, &output_event))
338
0
            goto error;
339
340
          /* Write the tag directive prefix. */
341
342
11.7k
          if (!yaml_scalar_event_initialize(
343
11.7k
                  &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
344
11.7k
                  (yaml_char_t *)tag->prefix, -1, 0, 1,
345
11.7k
                  YAML_DOUBLE_QUOTED_SCALAR_STYLE))
346
2
            goto error;
347
11.7k
          if (!yaml_emitter_emit(&emitter, &output_event))
348
0
            goto error;
349
350
          /* Write '}'. */
351
352
11.7k
          if (!yaml_mapping_end_event_initialize(&output_event))
353
0
            goto error;
354
11.7k
          if (!yaml_emitter_emit(&emitter, &output_event))
355
0
            goto error;
356
11.7k
        }
357
358
        /* End a block sequence. */
359
360
4.97k
        if (!yaml_sequence_end_event_initialize(&output_event))
361
0
          goto error;
362
4.97k
        if (!yaml_emitter_emit(&emitter, &output_event))
363
0
          goto error;
364
4.97k
      }
365
366
      /* Write 'implicit'. */
367
368
214k
      if (!yaml_scalar_event_initialize(
369
214k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
370
214k
              (yaml_char_t *)"implicit", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
371
0
        goto error;
372
214k
      if (!yaml_emitter_emit(&emitter, &output_event))
373
0
        goto error;
374
375
      /* Write if the document is implicit. */
376
377
214k
      if (!yaml_scalar_event_initialize(
378
214k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:bool",
379
214k
              (yaml_char_t *)(input_event.data.document_start.implicit
380
214k
                                  ? "true"
381
214k
                                  : "false"),
382
214k
              -1, 1, 0, YAML_PLAIN_SCALAR_STYLE))
383
0
        goto error;
384
214k
      if (!yaml_emitter_emit(&emitter, &output_event))
385
0
        goto error;
386
387
214k
      break;
388
389
214k
    case YAML_DOCUMENT_END_EVENT:
390
391
      /* Write 'type'. */
392
393
212k
      if (!yaml_scalar_event_initialize(
394
212k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
395
212k
              (yaml_char_t *)"type", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
396
0
        goto error;
397
212k
      if (!yaml_emitter_emit(&emitter, &output_event))
398
0
        goto error;
399
400
      /* Write 'DOCUMENT-END'. */
401
402
212k
      if (!yaml_scalar_event_initialize(
403
212k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
404
212k
              (yaml_char_t *)"DOCUMENT-END", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
405
0
        goto error;
406
212k
      if (!yaml_emitter_emit(&emitter, &output_event))
407
0
        goto error;
408
409
      /* Write 'implicit'. */
410
411
212k
      if (!yaml_scalar_event_initialize(
412
212k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
413
212k
              (yaml_char_t *)"implicit", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
414
0
        goto error;
415
212k
      if (!yaml_emitter_emit(&emitter, &output_event))
416
0
        goto error;
417
418
      /* Write if the document is implicit. */
419
420
212k
      if (!yaml_scalar_event_initialize(
421
212k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:bool",
422
212k
              (yaml_char_t *)(input_event.data.document_end.implicit ? "true"
423
212k
                                                                     : "false"),
424
212k
              -1, 1, 0, YAML_PLAIN_SCALAR_STYLE))
425
0
        goto error;
426
212k
      if (!yaml_emitter_emit(&emitter, &output_event))
427
0
        goto error;
428
429
212k
      break;
430
431
212k
    case YAML_ALIAS_EVENT:
432
433
      /* Write 'type'. */
434
435
959
      if (!yaml_scalar_event_initialize(
436
959
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
437
959
              (yaml_char_t *)"type", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
438
0
        goto error;
439
959
      if (!yaml_emitter_emit(&emitter, &output_event))
440
0
        goto error;
441
442
      /* Write 'ALIAS'. */
443
444
959
      if (!yaml_scalar_event_initialize(
445
959
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
446
959
              (yaml_char_t *)"ALIAS", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
447
0
        goto error;
448
959
      if (!yaml_emitter_emit(&emitter, &output_event))
449
0
        goto error;
450
451
      /* Write 'anchor'. */
452
453
959
      if (!yaml_scalar_event_initialize(
454
959
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
455
959
              (yaml_char_t *)"anchor", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
456
0
        goto error;
457
959
      if (!yaml_emitter_emit(&emitter, &output_event))
458
0
        goto error;
459
460
      /* Write the alias anchor. */
461
462
959
      if (!yaml_scalar_event_initialize(&output_event, NULL,
463
959
                                        (yaml_char_t *)"tag:yaml.org,2002:str",
464
959
                                        input_event.data.alias.anchor, -1, 0, 1,
465
959
                                        YAML_DOUBLE_QUOTED_SCALAR_STYLE))
466
0
        goto error;
467
959
      if (!yaml_emitter_emit(&emitter, &output_event))
468
0
        goto error;
469
470
959
      break;
471
472
883k
    case YAML_SCALAR_EVENT:
473
474
      /* Write 'type'. */
475
476
883k
      if (!yaml_scalar_event_initialize(
477
883k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
478
883k
              (yaml_char_t *)"type", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
479
0
        goto error;
480
883k
      if (!yaml_emitter_emit(&emitter, &output_event))
481
0
        goto error;
482
483
      /* Write 'SCALAR'. */
484
485
883k
      if (!yaml_scalar_event_initialize(
486
883k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
487
883k
              (yaml_char_t *)"SCALAR", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
488
0
        goto error;
489
883k
      if (!yaml_emitter_emit(&emitter, &output_event))
490
0
        goto error;
491
492
      /* Display the scalar anchor. */
493
494
883k
      if (input_event.data.scalar.anchor) {
495
        /* Write 'anchor'. */
496
497
1.82k
        if (!yaml_scalar_event_initialize(
498
1.82k
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
499
1.82k
                (yaml_char_t *)"anchor", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
500
0
          goto error;
501
1.82k
        if (!yaml_emitter_emit(&emitter, &output_event))
502
0
          goto error;
503
504
        /* Write the scalar anchor. */
505
506
1.82k
        if (!yaml_scalar_event_initialize(
507
1.82k
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
508
1.82k
                input_event.data.scalar.anchor, -1, 0, 1,
509
1.82k
                YAML_DOUBLE_QUOTED_SCALAR_STYLE))
510
0
          goto error;
511
1.82k
        if (!yaml_emitter_emit(&emitter, &output_event))
512
0
          goto error;
513
1.82k
      }
514
515
      /* Display the scalar tag. */
516
517
883k
      if (input_event.data.scalar.tag) {
518
        /* Write 'tag'. */
519
520
71.5k
        if (!yaml_scalar_event_initialize(
521
71.5k
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
522
71.5k
                (yaml_char_t *)"tag", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
523
0
          goto error;
524
71.5k
        if (!yaml_emitter_emit(&emitter, &output_event))
525
0
          goto error;
526
527
        /* Write the scalar tag. */
528
529
71.5k
        if (!yaml_scalar_event_initialize(
530
71.5k
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
531
71.5k
                input_event.data.scalar.tag, -1, 0, 1,
532
71.5k
                YAML_DOUBLE_QUOTED_SCALAR_STYLE))
533
26
          goto error;
534
71.5k
        if (!yaml_emitter_emit(&emitter, &output_event))
535
0
          goto error;
536
71.5k
      }
537
538
      /* Display the scalar value. */
539
540
      /* Write 'value'. */
541
542
883k
      if (!yaml_scalar_event_initialize(
543
883k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
544
883k
              (yaml_char_t *)"value", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
545
0
        goto error;
546
883k
      if (!yaml_emitter_emit(&emitter, &output_event))
547
0
        goto error;
548
549
      /* Write the scalar value. */
550
551
883k
      if (!yaml_scalar_event_initialize(
552
883k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
553
883k
              input_event.data.scalar.value, input_event.data.scalar.length, 0,
554
883k
              1, YAML_DOUBLE_QUOTED_SCALAR_STYLE))
555
0
        goto error;
556
883k
      if (!yaml_emitter_emit(&emitter, &output_event))
557
0
        goto error;
558
559
      /* Display if the scalar tag is implicit. */
560
561
      /* Write 'implicit'. */
562
563
883k
      if (!yaml_scalar_event_initialize(
564
883k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
565
883k
              (yaml_char_t *)"implicit", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
566
0
        goto error;
567
883k
      if (!yaml_emitter_emit(&emitter, &output_event))
568
0
        goto error;
569
570
      /* Write '{'. */
571
572
883k
      if (!yaml_mapping_start_event_initialize(
573
883k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:map", 1,
574
883k
              YAML_FLOW_MAPPING_STYLE))
575
0
        goto error;
576
883k
      if (!yaml_emitter_emit(&emitter, &output_event))
577
0
        goto error;
578
579
      /* Write 'plain'. */
580
581
883k
      if (!yaml_scalar_event_initialize(
582
883k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
583
883k
              (yaml_char_t *)"plain", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
584
0
        goto error;
585
883k
      if (!yaml_emitter_emit(&emitter, &output_event))
586
0
        goto error;
587
588
      /* Write if the scalar is implicit in the plain style. */
589
590
883k
      if (!yaml_scalar_event_initialize(
591
883k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:bool",
592
883k
              (yaml_char_t *)(input_event.data.scalar.plain_implicit ? "true"
593
883k
                                                                     : "false"),
594
883k
              -1, 1, 0, YAML_PLAIN_SCALAR_STYLE))
595
0
        goto error;
596
883k
      if (!yaml_emitter_emit(&emitter, &output_event))
597
0
        goto error;
598
599
      /* Write 'quoted'. */
600
601
883k
      if (!yaml_scalar_event_initialize(
602
883k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
603
883k
              (yaml_char_t *)"non-plain", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
604
0
        goto error;
605
883k
      if (!yaml_emitter_emit(&emitter, &output_event))
606
0
        goto error;
607
608
      /* Write if the scalar is implicit in a non-plain style. */
609
610
883k
      if (!yaml_scalar_event_initialize(
611
883k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:bool",
612
883k
              (yaml_char_t *)(input_event.data.scalar.quoted_implicit
613
883k
                                  ? "true"
614
883k
                                  : "false"),
615
883k
              -1, 1, 0, YAML_PLAIN_SCALAR_STYLE))
616
0
        goto error;
617
883k
      if (!yaml_emitter_emit(&emitter, &output_event))
618
0
        goto error;
619
620
      /* Write '}'. */
621
622
883k
      if (!yaml_mapping_end_event_initialize(&output_event))
623
0
        goto error;
624
883k
      if (!yaml_emitter_emit(&emitter, &output_event))
625
0
        goto error;
626
627
      /* Display the style information. */
628
629
883k
      if (input_event.data.scalar.style) {
630
883k
        yaml_scalar_style_t style = input_event.data.scalar.style;
631
632
        /* Write 'style'. */
633
634
883k
        if (!yaml_scalar_event_initialize(
635
883k
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
636
883k
                (yaml_char_t *)"style", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
637
0
          goto error;
638
883k
        if (!yaml_emitter_emit(&emitter, &output_event))
639
0
          goto error;
640
641
        /* Write the scalar style. */
642
643
883k
        if (!yaml_scalar_event_initialize(
644
883k
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
645
883k
                (yaml_char_t
646
883k
                     *)(style == YAML_PLAIN_SCALAR_STYLE
647
883k
                            ? "plain"
648
883k
                            : style == YAML_SINGLE_QUOTED_SCALAR_STYLE
649
18.3k
                                  ? "single-quoted"
650
18.3k
                                  : style == YAML_DOUBLE_QUOTED_SCALAR_STYLE
651
14.4k
                                        ? "double-quoted"
652
14.4k
                                        : style == YAML_LITERAL_SCALAR_STYLE
653
12.7k
                                              ? "literal"
654
12.7k
                                              : style ==
655
8.72k
                                                        YAML_FOLDED_SCALAR_STYLE
656
8.72k
                                                    ? "folded"
657
8.72k
                                                    : "unknown"),
658
883k
                -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
659
0
          goto error;
660
883k
        if (!yaml_emitter_emit(&emitter, &output_event))
661
0
          goto error;
662
883k
      }
663
664
883k
      break;
665
666
883k
    case YAML_SEQUENCE_START_EVENT:
667
668
      /* Write 'type'. */
669
670
132k
      if (!yaml_scalar_event_initialize(
671
132k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
672
132k
              (yaml_char_t *)"type", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
673
0
        goto error;
674
132k
      if (!yaml_emitter_emit(&emitter, &output_event))
675
0
        goto error;
676
677
      /* Write 'SEQUENCE-START'. */
678
679
132k
      if (!yaml_scalar_event_initialize(&output_event, NULL,
680
132k
                                        (yaml_char_t *)"tag:yaml.org,2002:str",
681
132k
                                        (yaml_char_t *)"SEQUENCE-START", -1, 1,
682
132k
                                        1, YAML_PLAIN_SCALAR_STYLE))
683
0
        goto error;
684
132k
      if (!yaml_emitter_emit(&emitter, &output_event))
685
0
        goto error;
686
687
      /* Display the sequence anchor. */
688
689
132k
      if (input_event.data.sequence_start.anchor) {
690
        /* Write 'anchor'. */
691
692
1.11k
        if (!yaml_scalar_event_initialize(
693
1.11k
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
694
1.11k
                (yaml_char_t *)"anchor", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
695
0
          goto error;
696
1.11k
        if (!yaml_emitter_emit(&emitter, &output_event))
697
0
          goto error;
698
699
        /* Write the sequence anchor. */
700
701
1.11k
        if (!yaml_scalar_event_initialize(
702
1.11k
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
703
1.11k
                input_event.data.sequence_start.anchor, -1, 0, 1,
704
1.11k
                YAML_DOUBLE_QUOTED_SCALAR_STYLE))
705
0
          goto error;
706
1.11k
        if (!yaml_emitter_emit(&emitter, &output_event))
707
0
          goto error;
708
1.11k
      }
709
710
      /* Display the sequence tag. */
711
712
132k
      if (input_event.data.sequence_start.tag) {
713
        /* Write 'tag'. */
714
715
3.51k
        if (!yaml_scalar_event_initialize(
716
3.51k
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
717
3.51k
                (yaml_char_t *)"tag", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
718
0
          goto error;
719
3.51k
        if (!yaml_emitter_emit(&emitter, &output_event))
720
0
          goto error;
721
722
        /* Write the sequence tag. */
723
724
3.51k
        if (!yaml_scalar_event_initialize(
725
3.51k
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
726
3.51k
                input_event.data.sequence_start.tag, -1, 0, 1,
727
3.51k
                YAML_DOUBLE_QUOTED_SCALAR_STYLE))
728
1
          goto error;
729
3.51k
        if (!yaml_emitter_emit(&emitter, &output_event))
730
0
          goto error;
731
3.51k
      }
732
733
      /* Write 'implicit'. */
734
735
132k
      if (!yaml_scalar_event_initialize(
736
132k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
737
132k
              (yaml_char_t *)"implicit", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
738
0
        goto error;
739
132k
      if (!yaml_emitter_emit(&emitter, &output_event))
740
0
        goto error;
741
742
      /* Write if the sequence tag is implicit. */
743
744
132k
      if (!yaml_scalar_event_initialize(
745
132k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:bool",
746
132k
              (yaml_char_t *)(input_event.data.sequence_start.implicit
747
132k
                                  ? "true"
748
132k
                                  : "false"),
749
132k
              -1, 1, 0, YAML_PLAIN_SCALAR_STYLE))
750
0
        goto error;
751
132k
      if (!yaml_emitter_emit(&emitter, &output_event))
752
0
        goto error;
753
754
      /* Display the style information. */
755
756
132k
      if (input_event.data.sequence_start.style) {
757
132k
        yaml_sequence_style_t style = input_event.data.sequence_start.style;
758
759
        /* Write 'style'. */
760
761
132k
        if (!yaml_scalar_event_initialize(
762
132k
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
763
132k
                (yaml_char_t *)"style", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
764
0
          goto error;
765
132k
        if (!yaml_emitter_emit(&emitter, &output_event))
766
0
          goto error;
767
768
        /* Write the scalar style. */
769
770
132k
        if (!yaml_scalar_event_initialize(
771
132k
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
772
132k
                (yaml_char_t *)(style == YAML_BLOCK_SEQUENCE_STYLE
773
132k
                                    ? "block"
774
132k
                                    : style == YAML_FLOW_SEQUENCE_STYLE
775
18.1k
                                          ? "flow"
776
18.1k
                                          : "unknown"),
777
132k
                -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
778
0
          goto error;
779
132k
        if (!yaml_emitter_emit(&emitter, &output_event))
780
0
          goto error;
781
132k
      }
782
783
132k
      break;
784
785
132k
    case YAML_SEQUENCE_END_EVENT:
786
787
      /* Write 'type'. */
788
789
115k
      if (!yaml_scalar_event_initialize(
790
115k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
791
115k
              (yaml_char_t *)"type", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
792
0
        goto error;
793
115k
      if (!yaml_emitter_emit(&emitter, &output_event))
794
0
        goto error;
795
796
      /* Write 'SEQUENCE-END'. */
797
798
115k
      if (!yaml_scalar_event_initialize(
799
115k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
800
115k
              (yaml_char_t *)"SEQUENCE-END", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
801
0
        goto error;
802
115k
      if (!yaml_emitter_emit(&emitter, &output_event))
803
0
        goto error;
804
805
115k
      break;
806
807
214k
    case YAML_MAPPING_START_EVENT:
808
809
      /* Write 'type'. */
810
811
214k
      if (!yaml_scalar_event_initialize(
812
214k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
813
214k
              (yaml_char_t *)"type", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
814
0
        goto error;
815
214k
      if (!yaml_emitter_emit(&emitter, &output_event))
816
0
        goto error;
817
818
      /* Write 'MAPPING-START'. */
819
820
214k
      if (!yaml_scalar_event_initialize(&output_event, NULL,
821
214k
                                        (yaml_char_t *)"tag:yaml.org,2002:str",
822
214k
                                        (yaml_char_t *)"MAPPING-START", -1, 1,
823
214k
                                        1, YAML_PLAIN_SCALAR_STYLE))
824
0
        goto error;
825
214k
      if (!yaml_emitter_emit(&emitter, &output_event))
826
0
        goto error;
827
828
      /* Display the mapping anchor. */
829
830
214k
      if (input_event.data.mapping_start.anchor) {
831
        /* Write 'anchor'. */
832
833
360
        if (!yaml_scalar_event_initialize(
834
360
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
835
360
                (yaml_char_t *)"anchor", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
836
0
          goto error;
837
360
        if (!yaml_emitter_emit(&emitter, &output_event))
838
0
          goto error;
839
840
        /* Write the mapping anchor. */
841
842
360
        if (!yaml_scalar_event_initialize(
843
360
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
844
360
                input_event.data.mapping_start.anchor, -1, 0, 1,
845
360
                YAML_DOUBLE_QUOTED_SCALAR_STYLE))
846
0
          goto error;
847
360
        if (!yaml_emitter_emit(&emitter, &output_event))
848
0
          goto error;
849
360
      }
850
851
      /* Display the mapping tag. */
852
853
214k
      if (input_event.data.mapping_start.tag) {
854
        /* Write 'tag'. */
855
856
535
        if (!yaml_scalar_event_initialize(
857
535
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
858
535
                (yaml_char_t *)"tag", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
859
0
          goto error;
860
535
        if (!yaml_emitter_emit(&emitter, &output_event))
861
0
          goto error;
862
863
        /* Write the mapping tag. */
864
865
535
        if (!yaml_scalar_event_initialize(
866
535
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
867
535
                input_event.data.mapping_start.tag, -1, 0, 1,
868
535
                YAML_DOUBLE_QUOTED_SCALAR_STYLE))
869
1
          goto error;
870
534
        if (!yaml_emitter_emit(&emitter, &output_event))
871
0
          goto error;
872
534
      }
873
874
      /* Write 'implicit'. */
875
876
214k
      if (!yaml_scalar_event_initialize(
877
214k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
878
214k
              (yaml_char_t *)"implicit", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
879
0
        goto error;
880
214k
      if (!yaml_emitter_emit(&emitter, &output_event))
881
0
        goto error;
882
883
      /* Write if the mapping tag is implicit. */
884
885
214k
      if (!yaml_scalar_event_initialize(
886
214k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:bool",
887
214k
              (yaml_char_t *)(input_event.data.mapping_start.implicit
888
214k
                                  ? "true"
889
214k
                                  : "false"),
890
214k
              -1, 1, 0, YAML_PLAIN_SCALAR_STYLE))
891
0
        goto error;
892
214k
      if (!yaml_emitter_emit(&emitter, &output_event))
893
0
        goto error;
894
895
      /* Display the style information. */
896
897
214k
      if (input_event.data.mapping_start.style) {
898
214k
        yaml_mapping_style_t style = input_event.data.mapping_start.style;
899
900
        /* Write 'style'. */
901
902
214k
        if (!yaml_scalar_event_initialize(
903
214k
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
904
214k
                (yaml_char_t *)"style", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
905
0
          goto error;
906
214k
        if (!yaml_emitter_emit(&emitter, &output_event))
907
0
          goto error;
908
909
        /* Write the scalar style. */
910
911
214k
        if (!yaml_scalar_event_initialize(
912
214k
                &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
913
214k
                (yaml_char_t *)(style == YAML_BLOCK_MAPPING_STYLE
914
214k
                                    ? "block"
915
214k
                                    : style == YAML_FLOW_MAPPING_STYLE
916
19.7k
                                          ? "flow"
917
19.7k
                                          : "unknown"),
918
214k
                -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
919
0
          goto error;
920
214k
        if (!yaml_emitter_emit(&emitter, &output_event))
921
0
          goto error;
922
214k
      }
923
924
214k
      break;
925
926
214k
    case YAML_MAPPING_END_EVENT:
927
928
      /* Write 'type'. */
929
930
198k
      if (!yaml_scalar_event_initialize(
931
198k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
932
198k
              (yaml_char_t *)"type", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
933
0
        goto error;
934
198k
      if (!yaml_emitter_emit(&emitter, &output_event))
935
0
        goto error;
936
937
      /* Write 'MAPPING-END'. */
938
939
198k
      if (!yaml_scalar_event_initialize(
940
198k
              &output_event, NULL, (yaml_char_t *)"tag:yaml.org,2002:str",
941
198k
              (yaml_char_t *)"MAPPING-END", -1, 1, 1, YAML_PLAIN_SCALAR_STYLE))
942
0
        goto error;
943
198k
      if (!yaml_emitter_emit(&emitter, &output_event))
944
0
        goto error;
945
946
198k
      break;
947
948
198k
    default:
949
      /* It couldn't really happen. */
950
0
      break;
951
1.98M
    }
952
953
    /* Delete the event object. */
954
955
1.98M
    yaml_event_delete(&input_event);
956
957
    /* Create and emit a MAPPING-END event. */
958
959
1.98M
    if (!yaml_mapping_end_event_initialize(&output_event))
960
0
      goto error;
961
1.98M
    if (!yaml_emitter_emit(&emitter, &output_event))
962
0
      goto error;
963
1.98M
  }
964
965
  /* Create and emit the SEQUENCE-END event. */
966
967
3.91k
  if (!yaml_sequence_end_event_initialize(&output_event))
968
0
    goto error;
969
3.91k
  if (!yaml_emitter_emit(&emitter, &output_event))
970
0
    goto error;
971
972
  /* Create and emit the DOCUMENT-END event. */
973
974
3.91k
  if (!yaml_document_end_event_initialize(&output_event, 0))
975
0
    goto error;
976
3.91k
  if (!yaml_emitter_emit(&emitter, &output_event))
977
2.70k
    goto error;
978
979
  /* Create and emit the STREAM-END event. */
980
981
1.20k
  if (!yaml_stream_end_event_initialize(&output_event))
982
0
    goto error;
983
1.20k
  yaml_emitter_emit(&emitter, &output_event);
984
985
9.28k
error:
986
987
9.28k
  free(out.buf);
988
989
9.28k
  yaml_event_delete(&input_event);
990
9.28k
  yaml_parser_delete(&parser);
991
9.28k
  yaml_emitter_delete(&emitter);
992
993
9.28k
  return 0;
994
1.20k
}