1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ART_COMPILER_SEA_IR_TYPES_TYPES_H_ 18 #define ART_COMPILER_SEA_IR_TYPES_TYPES_H_ 19 20 #include "safe_map.h" 21 #include "verifier/reg_type.h" 22 #include "verifier/reg_type_cache.h" 23 24 namespace sea_ir { 25 26 // TODO: Replace typedef with an actual class implementation when we have more types. 27 typedef art::verifier::RegType Type; 28 29 // Stores information about the result type of each instruction. 30 // Note: Main purpose is to encapsulate the map<instruction id, type*>, 31 // so that we can replace the underlying storage at any time. 32 class TypeData { 33 public: 34 art::SafeMap<int, const Type*>* GetTypeMap() { 35 return &type_map_; 36 } 37 // Returns the type associated with instruction with @instruction_id. 38 const Type* FindTypeOf(int instruction_id) { 39 art::SafeMap<int, const Type*>::const_iterator result_it = type_map_.find(instruction_id); 40 if (type_map_.end() != result_it) { 41 return result_it->second; 42 } 43 return NULL; 44 } 45 46 // Saves the fact that instruction @instruction_id produces a value of type @type. 47 void SetTypeOf(int instruction_id, const Type* type) { 48 type_map_.Overwrite(instruction_id, type); 49 } 50 51 private: 52 art::SafeMap<int, const Type*> type_map_; 53 }; 54 55 56 57 } // namespace sea_ir 58 #endif // ART_COMPILER_SEA_IR_TYPES_TYPES_H_ 59
