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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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331 | 331 |
332 | 332 |
333 static Flag* FindFlag(const char* name) { | 333 static Flag* FindFlag(const char* name) { |
334 for (size_t i = 0; i < num_flags; ++i) { | 334 for (size_t i = 0; i < num_flags; ++i) { |
335 if (EqualNames(name, flags[i].name())) | 335 if (EqualNames(name, flags[i].name())) |
336 return &flags[i]; | 336 return &flags[i]; |
337 } | 337 } |
338 return NULL; | 338 return NULL; |
339 } | 339 } |
340 | 340 |
| 341 static MutexLockAdapter flag_list_lock(OS::CreateMutex()); |
341 | 342 |
342 // static | 343 // static |
343 int FlagList::SetFlagsFromCommandLine(int* argc, | 344 int FlagList::SetFlagsFromCommandLine(int* argc, |
344 char** argv, | 345 char** argv, |
345 bool remove_flags) { | 346 bool remove_flags) { |
| 347 V8SharedStateLocker flags_list_locker(&flag_list_lock); |
346 // parse arguments | 348 // parse arguments |
347 for (int i = 1; i < *argc;) { | 349 for (int i = 1; i < *argc;) { |
348 int j = i; // j > 0 | 350 int j = i; // j > 0 |
349 const char* arg = argv[i++]; | 351 const char* arg = argv[i++]; |
350 | 352 |
351 // split arg into flag components | 353 // split arg into flag components |
352 char buffer[1*KB]; | 354 char buffer[1*KB]; |
353 const char* name; | 355 const char* name; |
354 const char* value; | 356 const char* value; |
355 bool is_bool; | 357 bool is_bool; |
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462 | 464 |
463 | 465 |
464 static char* SkipBlackSpace(char* p) { | 466 static char* SkipBlackSpace(char* p) { |
465 while (*p != '\0' && isspace(*p) == 0) p++; | 467 while (*p != '\0' && isspace(*p) == 0) p++; |
466 return p; | 468 return p; |
467 } | 469 } |
468 | 470 |
469 | 471 |
470 // static | 472 // static |
471 int FlagList::SetFlagsFromString(const char* str, int len) { | 473 int FlagList::SetFlagsFromString(const char* str, int len) { |
| 474 V8SharedStateLocker flags_list_locker(&flag_list_lock); |
472 // make a 0-terminated copy of str | 475 // make a 0-terminated copy of str |
473 char* copy0 = NewArray<char>(len + 1); | 476 char* copy0 = NewArray<char>(len + 1); |
474 memcpy(copy0, str, len); | 477 memcpy(copy0, str, len); |
475 copy0[len] = '\0'; | 478 copy0[len] = '\0'; |
476 | 479 |
477 // strip leading white space | 480 // strip leading white space |
478 char* copy = SkipWhiteSpace(copy0); | 481 char* copy = SkipWhiteSpace(copy0); |
479 | 482 |
480 // count the number of 'arguments' | 483 // count the number of 'arguments' |
481 int argc = 1; // be compatible with SetFlagsFromCommandLine() | 484 int argc = 1; // be compatible with SetFlagsFromCommandLine() |
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546 const char** JSArguments::argv() { return argv_; } | 549 const char** JSArguments::argv() { return argv_; } |
547 const char*& JSArguments::operator[](int idx) { return argv_[idx]; } | 550 const char*& JSArguments::operator[](int idx) { return argv_[idx]; } |
548 JSArguments& JSArguments::operator=(JSArguments args) { | 551 JSArguments& JSArguments::operator=(JSArguments args) { |
549 argc_ = args.argc_; | 552 argc_ = args.argc_; |
550 argv_ = args.argv_; | 553 argv_ = args.argv_; |
551 return *this; | 554 return *this; |
552 } | 555 } |
553 | 556 |
554 | 557 |
555 } } // namespace v8::internal | 558 } } // namespace v8::internal |
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