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| 1 // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2016, 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_KERNEL_READER_H_ | 5 #ifndef RUNTIME_VM_KERNEL_LOADER_H_ |
| 6 #define RUNTIME_VM_KERNEL_READER_H_ | 6 #define RUNTIME_VM_KERNEL_LOADER_H_ |
| 7 | 7 |
| 8 #if !defined(DART_PRECOMPILED_RUNTIME) | 8 #if !defined(DART_PRECOMPILED_RUNTIME) |
| 9 #include <map> | 9 #include <map> |
| 10 | 10 |
| 11 #include "vm/kernel.h" | 11 #include "vm/kernel.h" |
| 12 #include "vm/kernel_binary_flowgraph.h" | 12 #include "vm/kernel_binary_flowgraph.h" |
| 13 #include "vm/kernel_to_il.h" | 13 #include "vm/kernel_to_il.h" |
| 14 #include "vm/object.h" | 14 #include "vm/object.h" |
| 15 | 15 |
| 16 namespace dart { | 16 namespace dart { |
| 17 namespace kernel { | 17 namespace kernel { |
| 18 | 18 |
| 19 class KernelReader; | 19 class KernelLoader; |
| 20 | 20 |
| 21 class BuildingTranslationHelper : public TranslationHelper { | 21 class BuildingTranslationHelper : public TranslationHelper { |
| 22 public: | 22 public: |
| 23 BuildingTranslationHelper(KernelReader* reader, Thread* thread) | 23 BuildingTranslationHelper(KernelLoader* loader, Thread* thread) |
| 24 : TranslationHelper(thread), reader_(reader) {} | 24 : TranslationHelper(thread), loader_(loader) {} |
| 25 virtual ~BuildingTranslationHelper() {} | 25 virtual ~BuildingTranslationHelper() {} |
| 26 | 26 |
| 27 virtual RawLibrary* LookupLibraryByKernelLibrary(NameIndex library); | 27 virtual RawLibrary* LookupLibraryByKernelLibrary(NameIndex library); |
| 28 virtual RawClass* LookupClassByKernelClass(NameIndex klass); | 28 virtual RawClass* LookupClassByKernelClass(NameIndex klass); |
| 29 | 29 |
| 30 private: | 30 private: |
| 31 KernelReader* reader_; | 31 KernelLoader* loader_; |
| 32 }; | 32 }; |
| 33 | 33 |
| 34 template <typename VmType> | 34 template <typename VmType> |
| 35 class Mapping { | 35 class Mapping { |
| 36 public: | 36 public: |
| 37 bool Lookup(intptr_t canonical_name, VmType** handle) { | 37 bool Lookup(intptr_t canonical_name, VmType** handle) { |
| 38 typename MapType::Pair* pair = map_.LookupPair(canonical_name); | 38 typename MapType::Pair* pair = map_.LookupPair(canonical_name); |
| 39 if (pair != NULL) { | 39 if (pair != NULL) { |
| 40 *handle = pair->value; | 40 *handle = pair->value; |
| 41 return true; | 41 return true; |
| 42 } | 42 } |
| 43 return false; | 43 return false; |
| 44 } | 44 } |
| 45 | 45 |
| 46 void Insert(intptr_t canonical_name, VmType* object) { | 46 void Insert(intptr_t canonical_name, VmType* object) { |
| 47 map_.Insert(canonical_name, object); | 47 map_.Insert(canonical_name, object); |
| 48 } | 48 } |
| 49 | 49 |
| 50 private: | 50 private: |
| 51 typedef IntMap<VmType*> MapType; | 51 typedef IntMap<VmType*> MapType; |
| 52 MapType map_; | 52 MapType map_; |
| 53 }; | 53 }; |
| 54 | 54 |
| 55 class KernelReader { | 55 class KernelLoader { |
| 56 public: | 56 public: |
| 57 explicit KernelReader(Program* program); | 57 explicit KernelLoader(Program* program); |
| 58 | 58 |
| 59 // Returns the library containing the main procedure, null if there | 59 // Returns the library containing the main procedure, null if there |
| 60 // was no main procedure, or a failure object if there was an error. | 60 // was no main procedure, or a failure object if there was an error. |
| 61 Object& ReadProgram(); | 61 Object& LoadProgram(); |
| 62 | 62 |
| 63 // Finds all libraries that have been modified in this incremental | 63 // Finds all libraries that have been modified in this incremental |
| 64 // version of the kernel program file. | 64 // version of the kernel program file. |
| 65 void FindModifiedLibraries(Isolate* isolate, | 65 void FindModifiedLibraries(Isolate* isolate, |
| 66 BitVector* modified_libs, | 66 BitVector* modified_libs, |
| 67 bool force_reload); | 67 bool force_reload); |
| 68 | 68 |
| 69 void ReadLibrary(intptr_t kernel_offset); | 69 void LoadLibrary(intptr_t kernel_offset); |
| 70 | 70 |
| 71 const String& DartSymbol(StringIndex index) { | 71 const String& DartSymbol(StringIndex index) { |
| 72 return translation_helper_.DartSymbol(index); | 72 return translation_helper_.DartSymbol(index); |
| 73 } | 73 } |
| 74 | 74 |
| 75 const String& LibraryUri(intptr_t library_index) { | 75 const String& LibraryUri(intptr_t library_index) { |
| 76 return translation_helper_.DartSymbol( | 76 return translation_helper_.DartSymbol( |
| 77 translation_helper_.CanonicalNameString( | 77 translation_helper_.CanonicalNameString( |
| 78 library_canonical_name(library_index))); | 78 library_canonical_name(library_index))); |
| 79 } | 79 } |
| (...skipping 13 matching lines...) Expand all Loading... |
| 93 (program_->library_count() - index) * 4); | 93 (program_->library_count() - index) * 4); |
| 94 reader.set_offset(reader.ReadUInt32()); | 94 reader.set_offset(reader.ReadUInt32()); |
| 95 | 95 |
| 96 // Start reading library. | 96 // Start reading library. |
| 97 reader.ReadFlags(); | 97 reader.ReadFlags(); |
| 98 return reader.ReadCanonicalNameReference(); | 98 return reader.ReadCanonicalNameReference(); |
| 99 } | 99 } |
| 100 | 100 |
| 101 uint8_t CharacterAt(StringIndex string_index, intptr_t index); | 101 uint8_t CharacterAt(StringIndex string_index, intptr_t index); |
| 102 | 102 |
| 103 static bool FieldHasFunctionLiteralInitializer(const Field& field, | |
| 104 TokenPosition* start, | |
| 105 TokenPosition* end); | |
| 106 | |
| 107 private: | 103 private: |
| 108 friend class BuildingTranslationHelper; | 104 friend class BuildingTranslationHelper; |
| 109 | 105 |
| 110 void ReadPreliminaryClass(Class* klass, | 106 void LoadPreliminaryClass(Class* klass, |
| 111 ClassHelper* class_helper, | 107 ClassHelper* class_helper, |
| 112 intptr_t type_parameter_count); | 108 intptr_t type_parameter_count); |
| 113 Class& ReadClass(const Library& library, const Class& toplevel_class); | 109 Class& LoadClass(const Library& library, const Class& toplevel_class); |
| 114 void ReadProcedure(const Library& library, const Class& owner, bool in_class); | 110 void LoadProcedure(const Library& library, const Class& owner, bool in_class); |
| 115 | 111 |
| 116 void ReadAndSetupTypeParameters(const Object& set_on, | 112 void LoadAndSetupTypeParameters(const Object& set_on, |
| 117 intptr_t type_parameter_count, | 113 intptr_t type_parameter_count, |
| 118 const Class& parameterized_class, | 114 const Class& parameterized_class, |
| 119 const Function& parameterized_function); | 115 const Function& parameterized_function); |
| 120 | 116 |
| 121 RawArray* MakeFunctionsArray(); | 117 RawArray* MakeFunctionsArray(); |
| 122 | 118 |
| 123 // If klass's script is not the script at the uri index, return a PatchClass | 119 // If klass's script is not the script at the uri index, return a PatchClass |
| 124 // for klass whose script corresponds to the uri index. | 120 // for klass whose script corresponds to the uri index. |
| 125 // Otherwise return klass. | 121 // Otherwise return klass. |
| 126 const Object& ClassForScriptAt(const Class& klass, intptr_t source_uri_index); | 122 const Object& ClassForScriptAt(const Class& klass, intptr_t source_uri_index); |
| (...skipping 27 matching lines...) Expand all Loading... |
| 154 Mapping<Class> classes_; | 150 Mapping<Class> classes_; |
| 155 | 151 |
| 156 GrowableArray<const Function*> functions_; | 152 GrowableArray<const Function*> functions_; |
| 157 GrowableArray<const Field*> fields_; | 153 GrowableArray<const Field*> fields_; |
| 158 }; | 154 }; |
| 159 | 155 |
| 160 } // namespace kernel | 156 } // namespace kernel |
| 161 } // namespace dart | 157 } // namespace dart |
| 162 | 158 |
| 163 #endif // !defined(DART_PRECOMPILED_RUNTIME) | 159 #endif // !defined(DART_PRECOMPILED_RUNTIME) |
| 164 #endif // RUNTIME_VM_KERNEL_READER_H_ | 160 #endif // RUNTIME_VM_KERNEL_LOADER_H_ |
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