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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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58 // This cast checks that the object we're accessing does indeed have the | 58 // This cast checks that the object we're accessing does indeed have the |
59 // expected type. | 59 // expected type. |
60 S::cast(*value); | 60 S::cast(*value); |
61 return Handle<S>(reinterpret_cast<S**>(value)); | 61 return Handle<S>(reinterpret_cast<S**>(value)); |
62 } | 62 } |
63 | 63 |
64 // Get the total number of arguments including the receiver. | 64 // Get the total number of arguments including the receiver. |
65 int length() const { return length_; } | 65 int length() const { return length_; } |
66 | 66 |
67 Object** arguments() { return arguments_; } | 67 Object** arguments() { return arguments_; } |
68 | |
69 private: | 68 private: |
70 int length_; | 69 int length_; |
71 Object** arguments_; | 70 Object** arguments_; |
72 }; | 71 }; |
73 | 72 |
74 | 73 |
75 // Custom arguments replicate a small segment of stack that can be | 74 // Custom arguments replicate a small segment of stack that can be |
76 // accessed through an Arguments object the same way the actual stack | 75 // accessed through an Arguments object the same way the actual stack |
77 // can. | 76 // can. |
78 class CustomArguments : public Relocatable { | 77 class CustomArguments : public Relocatable { |
79 public: | 78 public: |
80 inline CustomArguments(Object* data, | 79 inline CustomArguments(Isolate* isolate, |
| 80 Object* data, |
81 Object* self, | 81 Object* self, |
82 JSObject* holder) { | 82 JSObject* holder) : Relocatable(isolate) { |
83 values_[2] = self; | 83 values_[2] = self; |
84 values_[1] = holder; | 84 values_[1] = holder; |
85 values_[0] = data; | 85 values_[0] = data; |
86 } | 86 } |
87 | 87 |
88 inline CustomArguments() { | 88 inline explicit CustomArguments(Isolate* isolate) : Relocatable(isolate) { |
89 #ifdef DEBUG | 89 #ifdef DEBUG |
90 for (size_t i = 0; i < ARRAY_SIZE(values_); i++) { | 90 for (size_t i = 0; i < ARRAY_SIZE(values_); i++) { |
91 values_[i] = reinterpret_cast<Object*>(kZapValue); | 91 values_[i] = reinterpret_cast<Object*>(kZapValue); |
92 } | 92 } |
93 #endif | 93 #endif |
94 } | 94 } |
95 | 95 |
96 void IterateInstance(ObjectVisitor* v); | 96 void IterateInstance(ObjectVisitor* v); |
97 Object** end() { return values_ + ARRAY_SIZE(values_) - 1; } | 97 Object** end() { return values_ + ARRAY_SIZE(values_) - 1; } |
98 private: | 98 private: |
99 Object* values_[3]; | 99 Object* values_[3]; |
100 }; | 100 }; |
101 | 101 |
| 102 #define RUNTIME_CALLING_CONVENTION Arguments args, Isolate* isolate |
| 103 #define RUNTIME_GET_ISOLATE ASSERT(isolate == Isolate::Current()) |
102 | 104 |
103 } } // namespace v8::internal | 105 } } // namespace v8::internal |
104 | 106 |
105 #endif // V8_ARGUMENTS_H_ | 107 #endif // V8_ARGUMENTS_H_ |
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