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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef VM_OBJECT_H_ | 5 #ifndef VM_OBJECT_H_ |
| 6 #define VM_OBJECT_H_ | 6 #define VM_OBJECT_H_ |
| 7 | 7 |
| 8 #include "include/dart_api.h" | 8 #include "include/dart_api.h" |
| 9 #include "platform/assert.h" | 9 #include "platform/assert.h" |
| 10 #include "platform/utils.h" | 10 #include "platform/utils.h" |
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| 1003 static RawType* FunctionInterface(); | 1003 static RawType* FunctionInterface(); |
| 1004 | 1004 |
| 1005 // The 'List' interface type. | 1005 // The 'List' interface type. |
| 1006 static RawType* ListInterface(); | 1006 static RawType* ListInterface(); |
| 1007 | 1007 |
| 1008 // The finalized type of the given non-parameterized class. | 1008 // The finalized type of the given non-parameterized class. |
| 1009 static RawType* NewNonParameterizedType(const Class& type_class); | 1009 static RawType* NewNonParameterizedType(const Class& type_class); |
| 1010 | 1010 |
| 1011 static RawType* New(const Object& clazz, | 1011 static RawType* New(const Object& clazz, |
| 1012 const AbstractTypeArguments& arguments, | 1012 const AbstractTypeArguments& arguments, |
| 1013 intptr_t token_pos); | 1013 intptr_t token_pos, |
| 1014 Heap::Space space = Heap::kOld); |
| 1014 | 1015 |
| 1015 private: | 1016 private: |
| 1016 void set_token_pos(intptr_t token_pos) const; | 1017 void set_token_pos(intptr_t token_pos) const; |
| 1017 void set_type_state(int8_t state) const; | 1018 void set_type_state(int8_t state) const; |
| 1018 | 1019 |
| 1019 static RawType* New(); | 1020 static RawType* New(Heap::Space space = Heap::kOld); |
| 1020 | 1021 |
| 1021 HEAP_OBJECT_IMPLEMENTATION(Type, AbstractType); | 1022 HEAP_OBJECT_IMPLEMENTATION(Type, AbstractType); |
| 1022 friend class Class; | 1023 friend class Class; |
| 1023 }; | 1024 }; |
| 1024 | 1025 |
| 1025 | 1026 |
| 1026 // A TypeParameter represents a type parameter of a parameterized class. | 1027 // A TypeParameter represents a type parameter of a parameterized class. |
| 1027 // It specifies its index (and its name for debugging purposes), as well as its | 1028 // It specifies its index (and its name for debugging purposes), as well as its |
| 1028 // upper bound. | 1029 // upper bound. |
| 1029 // For example, the type parameter 'V' is specified as index 1 in the context of | 1030 // For example, the type parameter 'V' is specified as index 1 in the context of |
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| 1207 ASSERT(sizeof(RawTypeArguments) == OFFSET_OF(RawTypeArguments, types_)); | 1208 ASSERT(sizeof(RawTypeArguments) == OFFSET_OF(RawTypeArguments, types_)); |
| 1208 return 0; | 1209 return 0; |
| 1209 } | 1210 } |
| 1210 | 1211 |
| 1211 static intptr_t InstanceSize(intptr_t len) { | 1212 static intptr_t InstanceSize(intptr_t len) { |
| 1212 // Ensure that the types_ is not adding to the object length. | 1213 // Ensure that the types_ is not adding to the object length. |
| 1213 ASSERT(sizeof(RawTypeArguments) == (sizeof(RawObject) + (1 * kWordSize))); | 1214 ASSERT(sizeof(RawTypeArguments) == (sizeof(RawObject) + (1 * kWordSize))); |
| 1214 return RoundedAllocationSize(sizeof(RawTypeArguments) + (len * kWordSize)); | 1215 return RoundedAllocationSize(sizeof(RawTypeArguments) + (len * kWordSize)); |
| 1215 } | 1216 } |
| 1216 | 1217 |
| 1217 static RawTypeArguments* New(intptr_t len); | 1218 static RawTypeArguments* New(intptr_t len, Heap::Space space = Heap::kOld); |
| 1218 | 1219 |
| 1219 private: | 1220 private: |
| 1220 // Make sure that the array size cannot wrap around. | 1221 // Make sure that the array size cannot wrap around. |
| 1221 static const intptr_t kMaxTypes = 512 * 1024 * 1024; | 1222 static const intptr_t kMaxTypes = 512 * 1024 * 1024; |
| 1222 RawAbstractType** TypeAddr(intptr_t index) const; | 1223 RawAbstractType** TypeAddr(intptr_t index) const; |
| 1223 void SetLength(intptr_t value) const; | 1224 void SetLength(intptr_t value) const; |
| 1224 | 1225 |
| 1225 HEAP_OBJECT_IMPLEMENTATION(TypeArguments, AbstractTypeArguments); | 1226 HEAP_OBJECT_IMPLEMENTATION(TypeArguments, AbstractTypeArguments); |
| 1226 friend class Class; | 1227 friend class Class; |
| 1227 }; | 1228 }; |
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| 5093 } | 5094 } |
| 5094 | 5095 |
| 5095 | 5096 |
| 5096 intptr_t Stackmap::SizeInBits() const { | 5097 intptr_t Stackmap::SizeInBits() const { |
| 5097 return (Smi::Value(raw_ptr()->bitmap_size_in_bytes_) * kBitsPerByte); | 5098 return (Smi::Value(raw_ptr()->bitmap_size_in_bytes_) * kBitsPerByte); |
| 5098 } | 5099 } |
| 5099 | 5100 |
| 5100 } // namespace dart | 5101 } // namespace dart |
| 5101 | 5102 |
| 5102 #endif // VM_OBJECT_H_ | 5103 #endif // VM_OBJECT_H_ |
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