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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_GLOBALS_H_ | 5 #ifndef V8_GLOBALS_H_ |
6 #define V8_GLOBALS_H_ | 6 #define V8_GLOBALS_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 #include <stdint.h> | 9 #include <stdint.h> |
10 | 10 |
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689 EVAL_SCOPE, // The top-level scope for an eval source. | 689 EVAL_SCOPE, // The top-level scope for an eval source. |
690 FUNCTION_SCOPE, // The top-level scope for a function. | 690 FUNCTION_SCOPE, // The top-level scope for a function. |
691 MODULE_SCOPE, // The scope introduced by a module literal | 691 MODULE_SCOPE, // The scope introduced by a module literal |
692 SCRIPT_SCOPE, // The top-level scope for a script or a top-level eval. | 692 SCRIPT_SCOPE, // The top-level scope for a script or a top-level eval. |
693 CATCH_SCOPE, // The scope introduced by catch. | 693 CATCH_SCOPE, // The scope introduced by catch. |
694 BLOCK_SCOPE, // The scope introduced by a new block. | 694 BLOCK_SCOPE, // The scope introduced by a new block. |
695 WITH_SCOPE, // The scope introduced by with. | 695 WITH_SCOPE, // The scope introduced by with. |
696 ARROW_SCOPE // The top-level scope for an arrow function literal. | 696 ARROW_SCOPE // The top-level scope for an arrow function literal. |
697 }; | 697 }; |
698 | 698 |
699 | 699 // The mips architecture prior to revision 5 has inverted encoding for sNaN. |
| 700 #if (V8_TARGET_ARCH_MIPS && !defined(_MIPS_ARCH_MIPS32R6)) || \ |
| 701 (V8_TARGET_ARCH_MIPS64 && !defined(_MIPS_ARCH_MIPS64R6)) |
| 702 const uint32_t kHoleNanUpper32 = 0xFFFF7FFF; |
| 703 const uint32_t kHoleNanLower32 = 0xFFFF7FFF; |
| 704 #else |
700 const uint32_t kHoleNanUpper32 = 0xFFF7FFFF; | 705 const uint32_t kHoleNanUpper32 = 0xFFF7FFFF; |
701 const uint32_t kHoleNanLower32 = 0xFFF7FFFF; | 706 const uint32_t kHoleNanLower32 = 0xFFF7FFFF; |
| 707 #endif |
702 | 708 |
703 const uint64_t kHoleNanInt64 = | 709 const uint64_t kHoleNanInt64 = |
704 (static_cast<uint64_t>(kHoleNanUpper32) << 32) | kHoleNanLower32; | 710 (static_cast<uint64_t>(kHoleNanUpper32) << 32) | kHoleNanLower32; |
705 | 711 |
706 | 712 |
707 // The order of this enum has to be kept in sync with the predicates below. | 713 // The order of this enum has to be kept in sync with the predicates below. |
708 enum VariableMode { | 714 enum VariableMode { |
709 // User declared variables: | 715 // User declared variables: |
710 VAR, // declared via 'var', and 'function' declarations | 716 VAR, // declared via 'var', and 'function' declarations |
711 | 717 |
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886 DCHECK(IsValidFunctionKind(kind)); | 892 DCHECK(IsValidFunctionKind(kind)); |
887 return kind & | 893 return kind & |
888 (FunctionKind::kBaseConstructor | FunctionKind::kSubclassConstructor | | 894 (FunctionKind::kBaseConstructor | FunctionKind::kSubclassConstructor | |
889 FunctionKind::kDefaultConstructor); | 895 FunctionKind::kDefaultConstructor); |
890 } | 896 } |
891 } } // namespace v8::internal | 897 } } // namespace v8::internal |
892 | 898 |
893 namespace i = v8::internal; | 899 namespace i = v8::internal; |
894 | 900 |
895 #endif // V8_GLOBALS_H_ | 901 #endif // V8_GLOBALS_H_ |
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