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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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 HYDROGEN_TYPES_H_ | 5 #ifndef HYDROGEN_TYPES_H_ |
6 #define HYDROGEN_TYPES_H_ | 6 #define HYDROGEN_TYPES_H_ |
7 | 7 |
8 #include <climits> | 8 #include <climits> |
9 #include <iosfwd> | 9 #include <iosfwd> |
10 | 10 |
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28 V(Null, 0x27) /* 0000 0000 0010 0111 */ \ | 28 V(Null, 0x27) /* 0000 0000 0010 0111 */ \ |
29 V(HeapNumber, 0x2d) /* 0000 0000 0010 1101 */ \ | 29 V(HeapNumber, 0x2d) /* 0000 0000 0010 1101 */ \ |
30 V(String, 0x65) /* 0000 0000 0110 0101 */ \ | 30 V(String, 0x65) /* 0000 0000 0110 0101 */ \ |
31 V(Boolean, 0xa5) /* 0000 0000 1010 0101 */ \ | 31 V(Boolean, 0xa5) /* 0000 0000 1010 0101 */ \ |
32 V(Undefined, 0x125) /* 0000 0001 0010 0101 */ \ | 32 V(Undefined, 0x125) /* 0000 0001 0010 0101 */ \ |
33 V(JSReceiver, 0x221) /* 0000 0010 0010 0001 */ \ | 33 V(JSReceiver, 0x221) /* 0000 0010 0010 0001 */ \ |
34 V(JSObject, 0x621) /* 0000 0110 0010 0001 */ \ | 34 V(JSObject, 0x621) /* 0000 0110 0010 0001 */ \ |
35 V(JSArray, 0xe21) /* 0000 1110 0010 0001 */ \ | 35 V(JSArray, 0xe21) /* 0000 1110 0010 0001 */ \ |
36 V(None, 0xfff) /* 0000 1111 1111 1111 */ | 36 V(None, 0xfff) /* 0000 1111 1111 1111 */ |
37 | 37 |
38 class HType FINAL { | 38 class HType final { |
39 public: | 39 public: |
40 #define DECLARE_CONSTRUCTOR(Name, mask) \ | 40 #define DECLARE_CONSTRUCTOR(Name, mask) \ |
41 static HType Name() WARN_UNUSED_RESULT { return HType(k##Name); } | 41 static HType Name() WARN_UNUSED_RESULT { return HType(k##Name); } |
42 HTYPE_LIST(DECLARE_CONSTRUCTOR) | 42 HTYPE_LIST(DECLARE_CONSTRUCTOR) |
43 #undef DECLARE_CONSTRUCTOR | 43 #undef DECLARE_CONSTRUCTOR |
44 | 44 |
45 // Return the weakest (least precise) common type. | 45 // Return the weakest (least precise) common type. |
46 HType Combine(HType other) const WARN_UNUSED_RESULT { | 46 HType Combine(HType other) const WARN_UNUSED_RESULT { |
47 return HType(static_cast<Kind>(kind_ & other.kind_)); | 47 return HType(static_cast<Kind>(kind_ & other.kind_)); |
48 } | 48 } |
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82 explicit HType(Kind kind) : kind_(kind) { } | 82 explicit HType(Kind kind) : kind_(kind) { } |
83 | 83 |
84 int16_t kind_; | 84 int16_t kind_; |
85 }; | 85 }; |
86 | 86 |
87 | 87 |
88 std::ostream& operator<<(std::ostream& os, const HType& t); | 88 std::ostream& operator<<(std::ostream& os, const HType& t); |
89 } } // namespace v8::internal | 89 } } // namespace v8::internal |
90 | 90 |
91 #endif // HYDROGEN_TYPES_H_ | 91 #endif // HYDROGEN_TYPES_H_ |
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