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Side by Side Diff: src/v8globals.h

Issue 8404030: Version 3.7.1 (Closed) Base URL: http://v8.googlecode.com/svn/trunk/
Patch Set: Created 9 years, 1 month ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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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502 502
503 503
504 // Used to specify whether a receiver is implicitly or explicitly 504 // Used to specify whether a receiver is implicitly or explicitly
505 // provided to a call. 505 // provided to a call.
506 enum CallKind { 506 enum CallKind {
507 CALL_AS_METHOD, 507 CALL_AS_METHOD,
508 CALL_AS_FUNCTION 508 CALL_AS_FUNCTION
509 }; 509 };
510 510
511 511
512 enum ScopeType {
513 EVAL_SCOPE, // The top-level scope for an eval source.
514 FUNCTION_SCOPE, // The top-level scope for a function.
515 GLOBAL_SCOPE, // The top-level scope for a program or a top-level eval.
516 CATCH_SCOPE, // The scope introduced by catch.
517 BLOCK_SCOPE, // The scope introduced by a new block.
518 WITH_SCOPE // The scope introduced by with.
519 };
520
521
512 static const uint32_t kHoleNanUpper32 = 0x7FFFFFFF; 522 static const uint32_t kHoleNanUpper32 = 0x7FFFFFFF;
513 static const uint32_t kHoleNanLower32 = 0xFFFFFFFF; 523 static const uint32_t kHoleNanLower32 = 0xFFFFFFFF;
514 static const uint32_t kNaNOrInfinityLowerBoundUpper32 = 0x7FF00000; 524 static const uint32_t kNaNOrInfinityLowerBoundUpper32 = 0x7FF00000;
515 525
516 const uint64_t kHoleNanInt64 = 526 const uint64_t kHoleNanInt64 =
517 (static_cast<uint64_t>(kHoleNanUpper32) << 32) | kHoleNanLower32; 527 (static_cast<uint64_t>(kHoleNanUpper32) << 32) | kHoleNanLower32;
518 const uint64_t kLastNonNaNInt64 = 528 const uint64_t kLastNonNaNInt64 =
519 (static_cast<uint64_t>(kNaNOrInfinityLowerBoundUpper32) << 32); 529 (static_cast<uint64_t>(kNaNOrInfinityLowerBoundUpper32) << 32);
520 530
521 531
522 enum VariableMode { 532 enum VariableMode {
523 // User declared variables: 533 // User declared variables:
524 VAR, // declared via 'var', and 'function' declarations 534 VAR, // declared via 'var', and 'function' declarations
525 535
526 CONST, // declared via 'const' declarations 536 CONST, // declared via 'const' declarations
527 537
528 LET, // declared via 'let' declarations 538 CONST_HARMONY, // declared via 'const' declarations in harmony mode
539
540 LET, // declared via 'let' declarations
529 541
530 // Variables introduced by the compiler: 542 // Variables introduced by the compiler:
531 DYNAMIC, // always require dynamic lookup (we don't know 543 DYNAMIC, // always require dynamic lookup (we don't know
532 // the declaration) 544 // the declaration)
533 545
534 DYNAMIC_GLOBAL, // requires dynamic lookup, but we know that the 546 DYNAMIC_GLOBAL, // requires dynamic lookup, but we know that the
535 // variable is global unless it has been shadowed 547 // variable is global unless it has been shadowed
536 // by an eval-introduced variable 548 // by an eval-introduced variable
537 549
538 DYNAMIC_LOCAL, // requires dynamic lookup, but we know that the 550 DYNAMIC_LOCAL, // requires dynamic lookup, but we know that the
539 // variable is local and where it is unless it 551 // variable is local and where it is unless it
540 // has been shadowed by an eval-introduced 552 // has been shadowed by an eval-introduced
541 // variable 553 // variable
542 554
543 INTERNAL, // like VAR, but not user-visible (may or may not 555 INTERNAL, // like VAR, but not user-visible (may or may not
544 // be in a context) 556 // be in a context)
545 557
546 TEMPORARY // temporary variables (not user-visible), never 558 TEMPORARY // temporary variables (not user-visible), never
547 // in a context 559 // in a context
548 }; 560 };
549 561
562
563 enum ClearExceptionFlag {
564 KEEP_EXCEPTION,
565 CLEAR_EXCEPTION
566 };
567
568
550 } } // namespace v8::internal 569 } } // namespace v8::internal
551 570
552 #endif // V8_V8GLOBALS_H_ 571 #endif // V8_V8GLOBALS_H_
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