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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 RUNTIME_VM_OBJECT_H_ | 5 #ifndef RUNTIME_VM_OBJECT_H_ |
6 #define RUNTIME_VM_OBJECT_H_ | 6 #define RUNTIME_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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490 return *vm_isolate_snapshot_object_table_; | 490 return *vm_isolate_snapshot_object_table_; |
491 } | 491 } |
492 static const Type& dynamic_type() { | 492 static const Type& dynamic_type() { |
493 ASSERT(dynamic_type_ != NULL); | 493 ASSERT(dynamic_type_ != NULL); |
494 return *dynamic_type_; | 494 return *dynamic_type_; |
495 } | 495 } |
496 static const Type& void_type() { | 496 static const Type& void_type() { |
497 ASSERT(void_type_ != NULL); | 497 ASSERT(void_type_ != NULL); |
498 return *void_type_; | 498 return *void_type_; |
499 } | 499 } |
| 500 static const Type& vector_type() { |
| 501 ASSERT(vector_type_ != NULL); |
| 502 return *vector_type_; |
| 503 } |
500 | 504 |
501 static void set_vm_isolate_snapshot_object_table(const Array& table); | 505 static void set_vm_isolate_snapshot_object_table(const Array& table); |
502 | 506 |
503 static RawClass* class_class() { return class_class_; } | 507 static RawClass* class_class() { return class_class_; } |
504 static RawClass* dynamic_class() { return dynamic_class_; } | 508 static RawClass* dynamic_class() { return dynamic_class_; } |
505 static RawClass* void_class() { return void_class_; } | 509 static RawClass* void_class() { return void_class_; } |
506 static RawClass* unresolved_class_class() { return unresolved_class_class_; } | 510 static RawClass* unresolved_class_class() { return unresolved_class_class_; } |
507 static RawClass* type_arguments_class() { return type_arguments_class_; } | 511 static RawClass* type_arguments_class() { return type_arguments_class_; } |
508 static RawClass* patch_class_class() { return patch_class_class_; } | 512 static RawClass* patch_class_class() { return patch_class_class_; } |
509 static RawClass* function_class() { return function_class_; } | 513 static RawClass* function_class() { return function_class_; } |
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754 static cpp_vtable handle_vtable_; | 758 static cpp_vtable handle_vtable_; |
755 static cpp_vtable builtin_vtables_[kNumPredefinedCids]; | 759 static cpp_vtable builtin_vtables_[kNumPredefinedCids]; |
756 | 760 |
757 // The static values below are singletons shared between the different | 761 // The static values below are singletons shared between the different |
758 // isolates. They are all allocated in the non-GC'd Dart::vm_isolate_. | 762 // isolates. They are all allocated in the non-GC'd Dart::vm_isolate_. |
759 static RawObject* null_; | 763 static RawObject* null_; |
760 | 764 |
761 static RawClass* class_class_; // Class of the Class vm object. | 765 static RawClass* class_class_; // Class of the Class vm object. |
762 static RawClass* dynamic_class_; // Class of the 'dynamic' type. | 766 static RawClass* dynamic_class_; // Class of the 'dynamic' type. |
763 static RawClass* void_class_; // Class of the 'void' type. | 767 static RawClass* void_class_; // Class of the 'void' type. |
| 768 static RawClass* vector_class_; // Class of the 'vector' type. |
764 static RawClass* unresolved_class_class_; // Class of UnresolvedClass. | 769 static RawClass* unresolved_class_class_; // Class of UnresolvedClass. |
765 static RawClass* type_arguments_class_; // Class of TypeArguments vm object. | 770 static RawClass* type_arguments_class_; // Class of TypeArguments vm object. |
766 static RawClass* patch_class_class_; // Class of the PatchClass vm object. | 771 static RawClass* patch_class_class_; // Class of the PatchClass vm object. |
767 static RawClass* function_class_; // Class of the Function vm object. | 772 static RawClass* function_class_; // Class of the Function vm object. |
768 static RawClass* closure_data_class_; // Class of ClosureData vm obj. | 773 static RawClass* closure_data_class_; // Class of ClosureData vm obj. |
769 static RawClass* signature_data_class_; // Class of SignatureData vm obj. | 774 static RawClass* signature_data_class_; // Class of SignatureData vm obj. |
770 static RawClass* redirection_data_class_; // Class of RedirectionData vm obj. | 775 static RawClass* redirection_data_class_; // Class of RedirectionData vm obj. |
771 static RawClass* field_class_; // Class of the Field vm object. | 776 static RawClass* field_class_; // Class of the Field vm object. |
772 static RawClass* literal_token_class_; // Class of LiteralToken vm object. | 777 static RawClass* literal_token_class_; // Class of LiteralToken vm object. |
773 static RawClass* token_stream_class_; // Class of the TokenStream vm object. | 778 static RawClass* token_stream_class_; // Class of the TokenStream vm object. |
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820 static Bool* bool_true_; | 825 static Bool* bool_true_; |
821 static Bool* bool_false_; | 826 static Bool* bool_false_; |
822 static Smi* smi_illegal_cid_; | 827 static Smi* smi_illegal_cid_; |
823 static LanguageError* snapshot_writer_error_; | 828 static LanguageError* snapshot_writer_error_; |
824 static LanguageError* branch_offset_error_; | 829 static LanguageError* branch_offset_error_; |
825 static LanguageError* speculative_inlining_error_; | 830 static LanguageError* speculative_inlining_error_; |
826 static LanguageError* background_compilation_error_; | 831 static LanguageError* background_compilation_error_; |
827 static Array* vm_isolate_snapshot_object_table_; | 832 static Array* vm_isolate_snapshot_object_table_; |
828 static Type* dynamic_type_; | 833 static Type* dynamic_type_; |
829 static Type* void_type_; | 834 static Type* void_type_; |
| 835 static Type* vector_type_; |
830 | 836 |
831 friend void ClassTable::Register(const Class& cls); | 837 friend void ClassTable::Register(const Class& cls); |
832 friend void RawObject::Validate(Isolate* isolate) const; | 838 friend void RawObject::Validate(Isolate* isolate) const; |
833 friend class Closure; | 839 friend class Closure; |
834 friend class SnapshotReader; | 840 friend class SnapshotReader; |
835 friend class InstanceDeserializationCluster; | 841 friend class InstanceDeserializationCluster; |
836 friend class OneByteString; | 842 friend class OneByteString; |
837 friend class TwoByteString; | 843 friend class TwoByteString; |
838 friend class ExternalOneByteString; | 844 friend class ExternalOneByteString; |
839 friend class ExternalTwoByteString; | 845 friend class ExternalTwoByteString; |
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2392 bool IsInvokeFieldDispatcher() const { | 2398 bool IsInvokeFieldDispatcher() const { |
2393 return kind() == RawFunction::kInvokeFieldDispatcher; | 2399 return kind() == RawFunction::kInvokeFieldDispatcher; |
2394 } | 2400 } |
2395 | 2401 |
2396 // Returns true iff an implicit closure function has been created | 2402 // Returns true iff an implicit closure function has been created |
2397 // for this function. | 2403 // for this function. |
2398 bool HasImplicitClosureFunction() const { | 2404 bool HasImplicitClosureFunction() const { |
2399 return implicit_closure_function() != null(); | 2405 return implicit_closure_function() != null(); |
2400 } | 2406 } |
2401 | 2407 |
2402 // Return the closure function implicitly created for this function. | 2408 // Returns true iff a converted closure function has been created |
2403 // If none exists yet, create one and remember it. | 2409 // for this function. |
| 2410 bool HasConvertedClosureFunction() const { |
| 2411 return converted_closure_function() != null(); |
| 2412 } |
| 2413 |
| 2414 // Returns the closure function implicitly created for this function. If none |
| 2415 // exists yet, create one and remember it. Implicit closure functions are |
| 2416 // used in VM Closure instances that represent results of tear-off operations. |
2404 RawFunction* ImplicitClosureFunction() const; | 2417 RawFunction* ImplicitClosureFunction() const; |
2405 void DropUncompiledImplicitClosureFunction() const; | 2418 void DropUncompiledImplicitClosureFunction() const; |
2406 | 2419 |
| 2420 // Returns the converted closure function created for this function. |
| 2421 // If none exists yet, create one and remember it. See the comment on |
| 2422 // ConvertedClosureFunction definition in runtime/vm/object.cc for elaborate |
| 2423 // explanation. |
| 2424 RawFunction* ConvertedClosureFunction() const; |
| 2425 void DropUncompiledConvertedClosureFunction() const; |
| 2426 |
2407 // Return the closure implicitly created for this function. | 2427 // Return the closure implicitly created for this function. |
2408 // If none exists yet, create one and remember it. | 2428 // If none exists yet, create one and remember it. |
2409 RawInstance* ImplicitStaticClosure() const; | 2429 RawInstance* ImplicitStaticClosure() const; |
2410 | 2430 |
2411 RawInstance* ImplicitInstanceClosure(const Instance& receiver) const; | 2431 RawInstance* ImplicitInstanceClosure(const Instance& receiver) const; |
2412 | 2432 |
2413 intptr_t ComputeClosureHash() const; | 2433 intptr_t ComputeClosureHash() const; |
2414 | 2434 |
2415 // Redirection information for a redirecting factory. | 2435 // Redirection information for a redirecting factory. |
2416 bool IsRedirectingFactory() const; | 2436 bool IsRedirectingFactory() const; |
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2757 } | 2777 } |
2758 | 2778 |
2759 // Returns true if this function represents a generated irregexp function. | 2779 // Returns true if this function represents a generated irregexp function. |
2760 bool IsIrregexpFunction() const { | 2780 bool IsIrregexpFunction() const { |
2761 return kind() == RawFunction::kIrregexpFunction; | 2781 return kind() == RawFunction::kIrregexpFunction; |
2762 } | 2782 } |
2763 | 2783 |
2764 // Returns true if this function represents an implicit closure function. | 2784 // Returns true if this function represents an implicit closure function. |
2765 bool IsImplicitClosureFunction() const; | 2785 bool IsImplicitClosureFunction() const; |
2766 | 2786 |
| 2787 // Returns true if this function represents a converted closure function. |
| 2788 bool IsConvertedClosureFunction() const { |
| 2789 return kind() == RawFunction::kConvertedClosureFunction; |
| 2790 } |
| 2791 |
2767 // Returns true if this function represents a non implicit closure function. | 2792 // Returns true if this function represents a non implicit closure function. |
2768 bool IsNonImplicitClosureFunction() const { | 2793 bool IsNonImplicitClosureFunction() const { |
2769 return IsClosureFunction() && !IsImplicitClosureFunction(); | 2794 return IsClosureFunction() && !IsImplicitClosureFunction(); |
2770 } | 2795 } |
2771 | 2796 |
2772 // Returns true if this function represents an implicit static closure | 2797 // Returns true if this function represents an implicit static closure |
2773 // function. | 2798 // function. |
2774 bool IsImplicitStaticClosureFunction() const { | 2799 bool IsImplicitStaticClosureFunction() const { |
2775 return is_static() && IsImplicitClosureFunction(); | 2800 return is_static() && IsImplicitClosureFunction(); |
2776 } | 2801 } |
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2849 bool is_native, | 2874 bool is_native, |
2850 const Object& owner, | 2875 const Object& owner, |
2851 TokenPosition token_pos, | 2876 TokenPosition token_pos, |
2852 Heap::Space space = Heap::kOld); | 2877 Heap::Space space = Heap::kOld); |
2853 | 2878 |
2854 // Allocates a new Function object representing a closure function. | 2879 // Allocates a new Function object representing a closure function. |
2855 static RawFunction* NewClosureFunction(const String& name, | 2880 static RawFunction* NewClosureFunction(const String& name, |
2856 const Function& parent, | 2881 const Function& parent, |
2857 TokenPosition token_pos); | 2882 TokenPosition token_pos); |
2858 | 2883 |
| 2884 // Allocates a new Function object representing a converted closure function. |
| 2885 static RawFunction* NewConvertedClosureFunction(const String& name, |
| 2886 const Function& parent, |
| 2887 TokenPosition token_pos); |
| 2888 |
2859 // Allocates a new Function object representing a signature function. | 2889 // Allocates a new Function object representing a signature function. |
2860 // The owner is the scope class of the function type. | 2890 // The owner is the scope class of the function type. |
2861 // The parent is the enclosing function or null if none. | 2891 // The parent is the enclosing function or null if none. |
2862 static RawFunction* NewSignatureFunction(const Object& owner, | 2892 static RawFunction* NewSignatureFunction(const Object& owner, |
2863 const Function& parent, | 2893 const Function& parent, |
2864 TokenPosition token_pos, | 2894 TokenPosition token_pos, |
2865 Heap::Space space = Heap::kOld); | 2895 Heap::Space space = Heap::kOld); |
2866 | 2896 |
2867 static RawFunction* NewEvalFunction(const Class& owner, | 2897 static RawFunction* NewEvalFunction(const Class& owner, |
2868 const Script& script, | 2898 const Script& script, |
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3012 class name##Bit : public BitField<uint32_t, bool, k##name##Bit, 1> {}; | 3042 class name##Bit : public BitField<uint32_t, bool, k##name##Bit, 1> {}; |
3013 FOR_EACH_FUNCTION_KIND_BIT(DEFINE_BIT) | 3043 FOR_EACH_FUNCTION_KIND_BIT(DEFINE_BIT) |
3014 #undef DEFINE_BIT | 3044 #undef DEFINE_BIT |
3015 | 3045 |
3016 void set_name(const String& value) const; | 3046 void set_name(const String& value) const; |
3017 void set_kind(RawFunction::Kind value) const; | 3047 void set_kind(RawFunction::Kind value) const; |
3018 void set_parent_function(const Function& value) const; | 3048 void set_parent_function(const Function& value) const; |
3019 void set_owner(const Object& value) const; | 3049 void set_owner(const Object& value) const; |
3020 RawFunction* implicit_closure_function() const; | 3050 RawFunction* implicit_closure_function() const; |
3021 void set_implicit_closure_function(const Function& value) const; | 3051 void set_implicit_closure_function(const Function& value) const; |
| 3052 RawFunction* converted_closure_function() const; |
| 3053 void set_converted_closure_function(const Function& value) const; |
3022 RawInstance* implicit_static_closure() const; | 3054 RawInstance* implicit_static_closure() const; |
3023 void set_implicit_static_closure(const Instance& closure) const; | 3055 void set_implicit_static_closure(const Instance& closure) const; |
3024 RawScript* eval_script() const; | 3056 RawScript* eval_script() const; |
3025 void set_eval_script(const Script& value) const; | 3057 void set_eval_script(const Script& value) const; |
3026 void set_num_optional_parameters(intptr_t value) const; // Encoded value. | 3058 void set_num_optional_parameters(intptr_t value) const; // Encoded value. |
3027 void set_kind_tag(uint32_t value) const; | 3059 void set_kind_tag(uint32_t value) const; |
3028 void set_data(const Object& value) const; | 3060 void set_data(const Object& value) const; |
3029 | 3061 |
3030 static RawFunction* New(Heap::Space space = Heap::kOld); | 3062 static RawFunction* New(Heap::Space space = Heap::kOld); |
3031 | 3063 |
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8934 | 8966 |
8935 inline void TypeArguments::SetHash(intptr_t value) const { | 8967 inline void TypeArguments::SetHash(intptr_t value) const { |
8936 // This is only safe because we create a new Smi, which does not cause | 8968 // This is only safe because we create a new Smi, which does not cause |
8937 // heap allocation. | 8969 // heap allocation. |
8938 StoreSmi(&raw_ptr()->hash_, Smi::New(value)); | 8970 StoreSmi(&raw_ptr()->hash_, Smi::New(value)); |
8939 } | 8971 } |
8940 | 8972 |
8941 } // namespace dart | 8973 } // namespace dart |
8942 | 8974 |
8943 #endif // RUNTIME_VM_OBJECT_H_ | 8975 #endif // RUNTIME_VM_OBJECT_H_ |
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