Line data Source code
1 : // Copyright 2016 the V8 project authors. All rights reserved.
2 : // Use of this source code is governed by a BSD-style license that can be
3 : // found in the LICENSE file.
4 :
5 : #include "src/inspector/string-16.h"
6 :
7 : #include <algorithm>
8 : #include <cctype>
9 : #include <cstdlib>
10 : #include <cstring>
11 : #include <limits>
12 : #include <string>
13 :
14 : #include "src/base/platform/platform.h"
15 : #include "src/conversions.h"
16 :
17 : namespace v8_inspector {
18 :
19 : namespace {
20 :
21 204339 : bool isASCII(UChar c) { return !(c & ~0x7F); }
22 :
23 : bool isSpaceOrNewLine(UChar c) {
24 1045 : return isASCII(c) && c <= ' ' && (c == ' ' || (c <= 0xD && c >= 0x9));
25 : }
26 :
27 151403 : int64_t charactersToInteger(const UChar* characters, size_t length,
28 : bool* ok = nullptr) {
29 : std::vector<char> buffer;
30 151403 : buffer.reserve(length + 1);
31 354697 : for (size_t i = 0; i < length; ++i) {
32 406588 : if (!isASCII(characters[i])) {
33 0 : if (ok) *ok = false;
34 : return 0;
35 : }
36 406588 : buffer.push_back(static_cast<char>(characters[i]));
37 : }
38 302806 : buffer.push_back('\0');
39 :
40 : char* endptr;
41 : int64_t result =
42 151403 : static_cast<int64_t>(std::strtoll(buffer.data(), &endptr, 10));
43 151403 : if (ok) *ok = !(*endptr);
44 151403 : return result;
45 : }
46 :
47 : const UChar replacementCharacter = 0xFFFD;
48 : using UChar32 = uint32_t;
49 :
50 : inline int inlineUTF8SequenceLengthNonASCII(char b0) {
51 0 : if ((b0 & 0xC0) != 0xC0) return 0;
52 0 : if ((b0 & 0xE0) == 0xC0) return 2;
53 0 : if ((b0 & 0xF0) == 0xE0) return 3;
54 0 : if ((b0 & 0xF8) == 0xF0) return 4;
55 : return 0;
56 : }
57 :
58 0 : inline int inlineUTF8SequenceLength(char b0) {
59 0 : return isASCII(b0) ? 1 : inlineUTF8SequenceLengthNonASCII(b0);
60 : }
61 :
62 : // Once the bits are split out into bytes of UTF-8, this is a mask OR-ed
63 : // into the first byte, depending on how many bytes follow. There are
64 : // as many entries in this table as there are UTF-8 sequence types.
65 : // (I.e., one byte sequence, two byte... etc.). Remember that sequences
66 : // for *legal* UTF-8 will be 4 or fewer bytes total.
67 : static const unsigned char firstByteMark[7] = {0x00, 0x00, 0xC0, 0xE0,
68 : 0xF0, 0xF8, 0xFC};
69 :
70 : typedef enum {
71 : conversionOK, // conversion successful
72 : sourceExhausted, // partial character in source, but hit end
73 : targetExhausted, // insuff. room in target for conversion
74 : sourceIllegal // source sequence is illegal/malformed
75 : } ConversionResult;
76 :
77 0 : ConversionResult convertUTF16ToUTF8(const UChar** sourceStart,
78 : const UChar* sourceEnd, char** targetStart,
79 : char* targetEnd, bool strict) {
80 : ConversionResult result = conversionOK;
81 0 : const UChar* source = *sourceStart;
82 0 : char* target = *targetStart;
83 0 : while (source < sourceEnd) {
84 : UChar32 ch;
85 : uint32_t bytesToWrite = 0;
86 : const UChar32 byteMask = 0xBF;
87 : const UChar32 byteMark = 0x80;
88 : const UChar* oldSource =
89 : source; // In case we have to back up because of target overflow.
90 0 : ch = static_cast<uint16_t>(*source++);
91 : // If we have a surrogate pair, convert to UChar32 first.
92 0 : if (ch >= 0xD800 && ch <= 0xDBFF) {
93 : // If the 16 bits following the high surrogate are in the source buffer...
94 0 : if (source < sourceEnd) {
95 0 : UChar32 ch2 = static_cast<uint16_t>(*source);
96 : // If it's a low surrogate, convert to UChar32.
97 0 : if (ch2 >= 0xDC00 && ch2 <= 0xDFFF) {
98 0 : ch = ((ch - 0xD800) << 10) + (ch2 - 0xDC00) + 0x0010000;
99 0 : ++source;
100 0 : } else if (strict) { // it's an unpaired high surrogate
101 : --source; // return to the illegal value itself
102 : result = sourceIllegal;
103 : break;
104 : }
105 : } else { // We don't have the 16 bits following the high surrogate.
106 : --source; // return to the high surrogate
107 : result = sourceExhausted;
108 : break;
109 : }
110 0 : } else if (strict) {
111 : // UTF-16 surrogate values are illegal in UTF-32
112 0 : if (ch >= 0xDC00 && ch <= 0xDFFF) {
113 : --source; // return to the illegal value itself
114 : result = sourceIllegal;
115 : break;
116 : }
117 : }
118 : // Figure out how many bytes the result will require
119 0 : if (ch < static_cast<UChar32>(0x80)) {
120 : bytesToWrite = 1;
121 0 : } else if (ch < static_cast<UChar32>(0x800)) {
122 : bytesToWrite = 2;
123 0 : } else if (ch < static_cast<UChar32>(0x10000)) {
124 : bytesToWrite = 3;
125 0 : } else if (ch < static_cast<UChar32>(0x110000)) {
126 : bytesToWrite = 4;
127 : } else {
128 : bytesToWrite = 3;
129 : ch = replacementCharacter;
130 : }
131 :
132 0 : target += bytesToWrite;
133 0 : if (target > targetEnd) {
134 : source = oldSource; // Back up source pointer!
135 0 : target -= bytesToWrite;
136 : result = targetExhausted;
137 0 : break;
138 : }
139 0 : switch (bytesToWrite) {
140 : case 4:
141 0 : *--target = static_cast<char>((ch | byteMark) & byteMask);
142 0 : ch >>= 6;
143 : V8_FALLTHROUGH;
144 : case 3:
145 0 : *--target = static_cast<char>((ch | byteMark) & byteMask);
146 0 : ch >>= 6;
147 : V8_FALLTHROUGH;
148 : case 2:
149 0 : *--target = static_cast<char>((ch | byteMark) & byteMask);
150 0 : ch >>= 6;
151 : V8_FALLTHROUGH;
152 : case 1:
153 0 : *--target = static_cast<char>(ch | firstByteMark[bytesToWrite]);
154 : }
155 0 : target += bytesToWrite;
156 : }
157 0 : *sourceStart = source;
158 0 : *targetStart = target;
159 0 : return result;
160 : }
161 :
162 : /**
163 : * Is this code point a BMP code point (U+0000..U+ffff)?
164 : * @param c 32-bit code point
165 : * @return TRUE or FALSE
166 : * @stable ICU 2.8
167 : */
168 : #define U_IS_BMP(c) ((uint32_t)(c) <= 0xFFFF)
169 :
170 : /**
171 : * Is this code point a supplementary code point (U+010000..U+10FFFF)?
172 : * @param c 32-bit code point
173 : * @return TRUE or FALSE
174 : * @stable ICU 2.8
175 : */
176 : #define U_IS_SUPPLEMENTARY(c) ((uint32_t)((c)-0x010000) <= 0xFFFFF)
177 :
178 : /**
179 : * Is this code point a surrogate (U+d800..U+dfff)?
180 : * @param c 32-bit code point
181 : * @return TRUE or FALSE
182 : * @stable ICU 2.4
183 : */
184 : #define U_IS_SURROGATE(c) (((c)&0xFFFFF800) == 0xD800)
185 :
186 : /**
187 : * Get the lead surrogate (0xD800..0xDBFF) for a
188 : * supplementary code point (0x010000..0x10FFFF).
189 : * @param supplementary 32-bit code point (U+010000..U+10FFFF)
190 : * @return lead surrogate (U+D800..U+DBFF) for supplementary
191 : * @stable ICU 2.4
192 : */
193 : #define U16_LEAD(supplementary) (UChar)(((supplementary) >> 10) + 0xD7C0)
194 :
195 : /**
196 : * Get the trail surrogate (0xDC00..0xDFFF) for a
197 : * supplementary code point (0x010000..0x10FFFF).
198 : * @param supplementary 32-bit code point (U+010000..U+10FFFF)
199 : * @return trail surrogate (U+DC00..U+DFFF) for supplementary
200 : * @stable ICU 2.4
201 : */
202 : #define U16_TRAIL(supplementary) (UChar)(((supplementary)&0x3FF) | 0xDC00)
203 :
204 : // This must be called with the length pre-determined by the first byte.
205 : // If presented with a length > 4, this returns false. The Unicode
206 : // definition of UTF-8 goes up to 4-byte sequences.
207 0 : static bool isLegalUTF8(const unsigned char* source, int length) {
208 : unsigned char a;
209 0 : const unsigned char* srcptr = source + length;
210 0 : switch (length) {
211 : default:
212 : return false;
213 : // Everything else falls through when "true"...
214 : case 4:
215 0 : if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return false;
216 : V8_FALLTHROUGH;
217 : case 3:
218 0 : if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return false;
219 : V8_FALLTHROUGH;
220 : case 2:
221 0 : if ((a = (*--srcptr)) > 0xBF) return false;
222 :
223 : // no fall-through in this inner switch
224 0 : switch (*source) {
225 : case 0xE0:
226 0 : if (a < 0xA0) return false;
227 : break;
228 : case 0xED:
229 0 : if (a > 0x9F) return false;
230 : break;
231 : case 0xF0:
232 0 : if (a < 0x90) return false;
233 : break;
234 : case 0xF4:
235 0 : if (a > 0x8F) return false;
236 : break;
237 : default:
238 0 : if (a < 0x80) return false;
239 : }
240 : V8_FALLTHROUGH;
241 :
242 : case 1:
243 0 : if (*source >= 0x80 && *source < 0xC2) return false;
244 : }
245 0 : if (*source > 0xF4) return false;
246 0 : return true;
247 : }
248 :
249 : // Magic values subtracted from a buffer value during UTF8 conversion.
250 : // This table contains as many values as there might be trailing bytes
251 : // in a UTF-8 sequence.
252 : static const UChar32 offsetsFromUTF8[6] = {0x00000000UL,
253 : 0x00003080UL,
254 : 0x000E2080UL,
255 : 0x03C82080UL,
256 : static_cast<UChar32>(0xFA082080UL),
257 : static_cast<UChar32>(0x82082080UL)};
258 :
259 0 : static inline UChar32 readUTF8Sequence(const char*& sequence, size_t length) {
260 : UChar32 character = 0;
261 :
262 : // The cases all fall through.
263 0 : switch (length) {
264 : case 6:
265 0 : character += static_cast<unsigned char>(*sequence++);
266 0 : character <<= 6;
267 : V8_FALLTHROUGH;
268 : case 5:
269 0 : character += static_cast<unsigned char>(*sequence++);
270 0 : character <<= 6;
271 : V8_FALLTHROUGH;
272 : case 4:
273 0 : character += static_cast<unsigned char>(*sequence++);
274 0 : character <<= 6;
275 : V8_FALLTHROUGH;
276 : case 3:
277 0 : character += static_cast<unsigned char>(*sequence++);
278 0 : character <<= 6;
279 : V8_FALLTHROUGH;
280 : case 2:
281 0 : character += static_cast<unsigned char>(*sequence++);
282 0 : character <<= 6;
283 : V8_FALLTHROUGH;
284 : case 1:
285 0 : character += static_cast<unsigned char>(*sequence++);
286 : }
287 :
288 0 : return character - offsetsFromUTF8[length - 1];
289 : }
290 :
291 0 : ConversionResult convertUTF8ToUTF16(const char** sourceStart,
292 : const char* sourceEnd, UChar** targetStart,
293 : UChar* targetEnd, bool* sourceAllASCII,
294 : bool strict) {
295 : ConversionResult result = conversionOK;
296 0 : const char* source = *sourceStart;
297 0 : UChar* target = *targetStart;
298 : UChar orAllData = 0;
299 0 : while (source < sourceEnd) {
300 0 : int utf8SequenceLength = inlineUTF8SequenceLength(*source);
301 0 : if (sourceEnd - source < utf8SequenceLength) {
302 : result = sourceExhausted;
303 : break;
304 : }
305 : // Do this check whether lenient or strict
306 0 : if (!isLegalUTF8(reinterpret_cast<const unsigned char*>(source),
307 0 : utf8SequenceLength)) {
308 : result = sourceIllegal;
309 : break;
310 : }
311 :
312 0 : UChar32 character = readUTF8Sequence(source, utf8SequenceLength);
313 :
314 0 : if (target >= targetEnd) {
315 0 : source -= utf8SequenceLength; // Back up source pointer!
316 : result = targetExhausted;
317 0 : break;
318 : }
319 :
320 0 : if (U_IS_BMP(character)) {
321 : // UTF-16 surrogate values are illegal in UTF-32
322 0 : if (U_IS_SURROGATE(character)) {
323 0 : if (strict) {
324 0 : source -= utf8SequenceLength; // return to the illegal value itself
325 : result = sourceIllegal;
326 0 : break;
327 : }
328 0 : *target++ = replacementCharacter;
329 0 : orAllData |= replacementCharacter;
330 : } else {
331 0 : *target++ = static_cast<UChar>(character); // normal case
332 0 : orAllData |= character;
333 : }
334 0 : } else if (U_IS_SUPPLEMENTARY(character)) {
335 : // target is a character in range 0xFFFF - 0x10FFFF
336 0 : if (target + 1 >= targetEnd) {
337 0 : source -= utf8SequenceLength; // Back up source pointer!
338 : result = targetExhausted;
339 0 : break;
340 : }
341 0 : *target++ = U16_LEAD(character);
342 0 : *target++ = U16_TRAIL(character);
343 : orAllData = 0xFFFF;
344 : } else {
345 0 : if (strict) {
346 0 : source -= utf8SequenceLength; // return to the start
347 : result = sourceIllegal;
348 0 : break; // Bail out; shouldn't continue
349 : } else {
350 0 : *target++ = replacementCharacter;
351 0 : orAllData |= replacementCharacter;
352 : }
353 : }
354 : }
355 0 : *sourceStart = source;
356 0 : *targetStart = target;
357 :
358 0 : if (sourceAllASCII) *sourceAllASCII = !(orAllData & ~0x7F);
359 :
360 0 : return result;
361 : }
362 :
363 : // Helper to write a three-byte UTF-8 code point to the buffer, caller must
364 : // check room is available.
365 0 : static inline void putUTF8Triple(char*& buffer, UChar ch) {
366 0 : *buffer++ = static_cast<char>(((ch >> 12) & 0x0F) | 0xE0);
367 0 : *buffer++ = static_cast<char>(((ch >> 6) & 0x3F) | 0x80);
368 0 : *buffer++ = static_cast<char>((ch & 0x3F) | 0x80);
369 0 : }
370 :
371 : } // namespace
372 :
373 : String16::String16() = default;
374 :
375 : String16::String16(const String16& other) = default;
376 :
377 9100634 : String16::String16(String16&& other) V8_NOEXCEPT
378 : : m_impl(std::move(other.m_impl)),
379 9100634 : hash_code(other.hash_code) {}
380 :
381 9380456 : String16::String16(const UChar* characters, size_t size)
382 14172217 : : m_impl(characters, size) {}
383 :
384 0 : String16::String16(const UChar* characters) : m_impl(characters) {}
385 :
386 104415524 : String16::String16(const char* characters)
387 104415524 : : String16(characters, std::strlen(characters)) {}
388 :
389 208835072 : String16::String16(const char* characters, size_t size) {
390 104417536 : m_impl.resize(size);
391 673173442 : for (size_t i = 0; i < size; ++i) m_impl[i] = characters[i];
392 104417536 : }
393 :
394 1533724 : String16::String16(const std::basic_string<UChar>& impl) : m_impl(impl) {}
395 :
396 : String16& String16::operator=(const String16& other) = default;
397 :
398 10416494 : String16& String16::operator=(String16&& other) V8_NOEXCEPT {
399 : m_impl = std::move(other.m_impl);
400 10416494 : hash_code = other.hash_code;
401 10416494 : return *this;
402 : }
403 :
404 : // static
405 8374125 : String16 String16::fromInteger(int number) {
406 : char arr[50];
407 : v8::internal::Vector<char> buffer(arr, arraysize(arr));
408 8374125 : return String16(IntToCString(number, buffer));
409 : }
410 :
411 : // static
412 63503 : String16 String16::fromInteger(size_t number) {
413 : const size_t kBufferSize = 50;
414 : char buffer[kBufferSize];
415 : #if !defined(_WIN32) && !defined(_WIN64)
416 63503 : v8::base::OS::SNPrintF(buffer, kBufferSize, "%zu", number);
417 : #else
418 : v8::base::OS::SNPrintF(buffer, kBufferSize, "%Iu", number);
419 : #endif
420 63503 : return String16(buffer);
421 : }
422 :
423 : // static
424 297186 : String16 String16::fromDouble(double number) {
425 : char arr[50];
426 : v8::internal::Vector<char> buffer(arr, arraysize(arr));
427 297186 : return String16(DoubleToCString(number, buffer));
428 : }
429 :
430 : // static
431 5 : String16 String16::fromDouble(double number, int precision) {
432 : std::unique_ptr<char[]> str(
433 5 : v8::internal::DoubleToPrecisionCString(number, precision));
434 10 : return String16(str.get());
435 : }
436 :
437 130 : int64_t String16::toInteger64(bool* ok) const {
438 151403 : return charactersToInteger(characters16(), length(), ok);
439 : }
440 :
441 151273 : int String16::toInteger(bool* ok) const {
442 : int64_t result = toInteger64(ok);
443 151273 : if (ok && *ok) {
444 147654 : *ok = result <= std::numeric_limits<int>::max() &&
445 147654 : result >= std::numeric_limits<int>::min();
446 : }
447 151273 : return static_cast<int>(result);
448 : }
449 :
450 260 : String16 String16::stripWhiteSpace() const {
451 260 : if (!length()) return String16();
452 :
453 : size_t start = 0;
454 255 : size_t end = length() - 1;
455 :
456 : // skip white space from start
457 915 : while (start <= end && isSpaceOrNewLine(characters16()[start])) ++start;
458 :
459 : // only white space
460 255 : if (start > end) return String16();
461 :
462 : // skip white space from end
463 525 : while (end && isSpaceOrNewLine(characters16()[end])) --end;
464 :
465 250 : if (!start && end == length() - 1) return *this;
466 110 : return String16(characters16() + start, end + 1 - start);
467 : }
468 :
469 : String16Builder::String16Builder() = default;
470 :
471 56643430 : void String16Builder::append(const String16& s) {
472 : m_buffer.insert(m_buffer.end(), s.characters16(),
473 113286860 : s.characters16() + s.length());
474 56643430 : }
475 :
476 1277165044 : void String16Builder::append(UChar c) { m_buffer.push_back(c); }
477 :
478 99315548 : void String16Builder::append(char c) {
479 99315548 : UChar u = c;
480 99315548 : m_buffer.push_back(u);
481 99315548 : }
482 :
483 0 : void String16Builder::append(const UChar* characters, size_t length) {
484 0 : m_buffer.insert(m_buffer.end(), characters, characters + length);
485 0 : }
486 :
487 10175232 : void String16Builder::append(const char* characters, size_t length) {
488 20350464 : m_buffer.insert(m_buffer.end(), characters, characters + length);
489 10175232 : }
490 :
491 6979 : void String16Builder::appendNumber(int number) {
492 : constexpr int kBufferSize = 11;
493 : char buffer[kBufferSize];
494 6979 : int chars = v8::base::OS::SNPrintF(buffer, kBufferSize, "%d", number);
495 : DCHECK_LE(0, chars);
496 13958 : m_buffer.insert(m_buffer.end(), buffer, buffer + chars);
497 6979 : }
498 :
499 235 : void String16Builder::appendNumber(size_t number) {
500 : constexpr int kBufferSize = 20;
501 : char buffer[kBufferSize];
502 : #if !defined(_WIN32) && !defined(_WIN64)
503 235 : int chars = v8::base::OS::SNPrintF(buffer, kBufferSize, "%zu", number);
504 : #else
505 : int chars = v8::base::OS::SNPrintF(buffer, kBufferSize, "%Iu", number);
506 : #endif
507 : DCHECK_LE(0, chars);
508 470 : m_buffer.insert(m_buffer.end(), buffer, buffer + chars);
509 235 : }
510 :
511 0 : void String16Builder::appendUnsignedAsHex(uint64_t number) {
512 : constexpr int kBufferSize = 17;
513 : char buffer[kBufferSize];
514 : int chars =
515 0 : v8::base::OS::SNPrintF(buffer, kBufferSize, "%016" PRIx64, number);
516 : DCHECK_LE(0, chars);
517 0 : m_buffer.insert(m_buffer.end(), buffer, buffer + chars);
518 0 : }
519 :
520 301732 : void String16Builder::appendUnsignedAsHex(uint32_t number) {
521 : constexpr int kBufferSize = 9;
522 : char buffer[kBufferSize];
523 301732 : int chars = v8::base::OS::SNPrintF(buffer, kBufferSize, "%08" PRIx32, number);
524 : DCHECK_LE(0, chars);
525 603464 : m_buffer.insert(m_buffer.end(), buffer, buffer + chars);
526 301732 : }
527 :
528 4791651 : String16 String16Builder::toString() {
529 9583302 : return String16(m_buffer.data(), m_buffer.size());
530 : }
531 :
532 1867409 : void String16Builder::reserveCapacity(size_t capacity) {
533 1867409 : m_buffer.reserve(capacity);
534 1867409 : }
535 :
536 0 : String16 String16::fromUTF8(const char* stringStart, size_t length) {
537 0 : if (!stringStart || !length) return String16();
538 :
539 0 : std::vector<UChar> buffer(length);
540 : UChar* bufferStart = buffer.data();
541 :
542 0 : UChar* bufferCurrent = bufferStart;
543 0 : const char* stringCurrent = stringStart;
544 0 : if (convertUTF8ToUTF16(&stringCurrent, stringStart + length, &bufferCurrent,
545 0 : bufferCurrent + buffer.size(), nullptr,
546 0 : true) != conversionOK)
547 : return String16();
548 :
549 0 : size_t utf16Length = bufferCurrent - bufferStart;
550 : return String16(bufferStart, utf16Length);
551 : }
552 :
553 0 : std::string String16::utf8() const {
554 : size_t length = this->length();
555 :
556 0 : if (!length) return std::string("");
557 :
558 : // Allocate a buffer big enough to hold all the characters
559 : // (an individual UTF-16 UChar can only expand to 3 UTF-8 bytes).
560 : // Optimization ideas, if we find this function is hot:
561 : // * We could speculatively create a CStringBuffer to contain 'length'
562 : // characters, and resize if necessary (i.e. if the buffer contains
563 : // non-ascii characters). (Alternatively, scan the buffer first for
564 : // ascii characters, so we know this will be sufficient).
565 : // * We could allocate a CStringBuffer with an appropriate size to
566 : // have a good chance of being able to write the string into the
567 : // buffer without reallocing (say, 1.5 x length).
568 0 : if (length > std::numeric_limits<unsigned>::max() / 3) return std::string();
569 0 : std::vector<char> bufferVector(length * 3);
570 0 : char* buffer = bufferVector.data();
571 0 : const UChar* characters = m_impl.data();
572 :
573 : ConversionResult result =
574 : convertUTF16ToUTF8(&characters, characters + length, &buffer,
575 0 : buffer + bufferVector.size(), false);
576 : DCHECK(
577 : result !=
578 : targetExhausted); // (length * 3) should be sufficient for any conversion
579 :
580 : // Only produced from strict conversion.
581 : DCHECK(result != sourceIllegal);
582 :
583 : // Check for an unconverted high surrogate.
584 0 : if (result == sourceExhausted) {
585 : // This should be one unpaired high surrogate. Treat it the same
586 : // was as an unpaired high surrogate would have been handled in
587 : // the middle of a string with non-strict conversion - which is
588 : // to say, simply encode it to UTF-8.
589 : DCHECK((characters + 1) == (m_impl.data() + length));
590 : DCHECK((*characters >= 0xD800) && (*characters <= 0xDBFF));
591 : // There should be room left, since one UChar hasn't been
592 : // converted.
593 : DCHECK((buffer + 3) <= (buffer + bufferVector.size()));
594 0 : putUTF8Triple(buffer, *characters);
595 : }
596 :
597 0 : return std::string(bufferVector.data(), buffer - bufferVector.data());
598 : }
599 :
600 183867 : } // namespace v8_inspector
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