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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_ARGUMENTS_H_ | 5 #ifndef V8_ARGUMENTS_H_ |
6 #define V8_ARGUMENTS_H_ | 6 #define V8_ARGUMENTS_H_ |
7 | 7 |
8 #include "src/allocation.h" | 8 #include "src/allocation.h" |
9 #include "src/isolate.h" | 9 #include "src/isolate.h" |
10 | 10 |
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51 | 51 |
52 double number_at(int index) { | 52 double number_at(int index) { |
53 return (*this)[index]->Number(); | 53 return (*this)[index]->Number(); |
54 } | 54 } |
55 | 55 |
56 // Get the total number of arguments including the receiver. | 56 // Get the total number of arguments including the receiver. |
57 int length() const { return static_cast<int>(length_); } | 57 int length() const { return static_cast<int>(length_); } |
58 | 58 |
59 Object** arguments() { return arguments_; } | 59 Object** arguments() { return arguments_; } |
60 | 60 |
| 61 Object** lowest_address() { return &this->operator[](length() - 1); } |
| 62 |
| 63 Object** highest_address() { return &this->operator[](0); } |
| 64 |
61 private: | 65 private: |
62 intptr_t length_; | 66 intptr_t length_; |
63 Object** arguments_; | 67 Object** arguments_; |
64 }; | 68 }; |
65 | 69 |
66 | 70 |
67 // For each type of callback, we have a list of arguments | 71 // For each type of callback, we have a list of arguments |
68 // They are used to generate the Call() functions below | 72 // They are used to generate the Call() functions below |
69 // These aren't included in the list as they have duplicate signatures | 73 // These aren't included in the list as they have duplicate signatures |
70 // F(GenericNamedPropertyEnumeratorCallback, ...) | 74 // F(GenericNamedPropertyEnumeratorCallback, ...) |
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281 #define RUNTIME_FUNCTION(Name) RUNTIME_FUNCTION_RETURNS_TYPE(Object*, Name) | 285 #define RUNTIME_FUNCTION(Name) RUNTIME_FUNCTION_RETURNS_TYPE(Object*, Name) |
282 #define RUNTIME_FUNCTION_RETURN_PAIR(Name) \ | 286 #define RUNTIME_FUNCTION_RETURN_PAIR(Name) \ |
283 RUNTIME_FUNCTION_RETURNS_TYPE(ObjectPair, Name) | 287 RUNTIME_FUNCTION_RETURNS_TYPE(ObjectPair, Name) |
284 | 288 |
285 #define RUNTIME_ARGUMENTS(isolate, args) \ | 289 #define RUNTIME_ARGUMENTS(isolate, args) \ |
286 args.length(), args.arguments(), isolate | 290 args.length(), args.arguments(), isolate |
287 | 291 |
288 } } // namespace v8::internal | 292 } } // namespace v8::internal |
289 | 293 |
290 #endif // V8_ARGUMENTS_H_ | 294 #endif // V8_ARGUMENTS_H_ |
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