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1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 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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28 #ifndef V8_LOCATION_H_ | 28 #ifndef V8_LOCATION_H_ |
29 #define V8_LOCATION_H_ | 29 #define V8_LOCATION_H_ |
30 | 30 |
31 #include "utils.h" | 31 #include "utils.h" |
32 | 32 |
33 namespace v8 { | 33 namespace v8 { |
34 namespace internal { | 34 namespace internal { |
35 | 35 |
36 class Location BASE_EMBEDDED { | 36 class Location BASE_EMBEDDED { |
37 public: | 37 public: |
38 enum Type { NOWHERE, TEMP }; | 38 enum Type { UNINITIALIZED, EFFECT, VALUE }; |
39 | 39 |
40 static Location Temporary() { return Location(TEMP); } | 40 static Location Uninitialized() { return Location(UNINITIALIZED); } |
41 static Location Nowhere() { return Location(NOWHERE); } | 41 static Location Effect() { return Location(EFFECT); } |
| 42 static Location Value() { return Location(VALUE); } |
42 | 43 |
43 bool is_temporary() { return type_ == TEMP; } | 44 bool is_effect() { return type_ == EFFECT; } |
44 bool is_nowhere() { return type_ == NOWHERE; } | 45 bool is_value() { return type_ == VALUE; } |
45 | 46 |
46 Type type() { return type_; } | 47 Type type() { return type_; } |
47 | 48 |
48 private: | 49 private: |
49 explicit Location(Type type) : type_(type) {} | 50 explicit Location(Type type) : type_(type) {} |
50 | 51 |
51 Type type_; | 52 Type type_; |
52 }; | 53 }; |
53 | 54 |
54 | 55 |
55 } } // namespace v8::internal | 56 } } // namespace v8::internal |
56 | 57 |
57 #endif // V8_LOCATION_H_ | 58 #endif // V8_LOCATION_H_ |
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