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      1 /*
      2  * Copyright (C) 2012 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_DRIVER_DEX_COMPILATION_UNIT_H_
     18 #define ART_COMPILER_DRIVER_DEX_COMPILATION_UNIT_H_
     19 
     20 #include <stdint.h>
     21 
     22 #include "dex_file.h"
     23 #include "jni.h"
     24 
     25 namespace art {
     26 namespace mirror {
     27 class ClassLoader;
     28 class DexCache;
     29 }  // namespace mirror
     30 class ClassLinker;
     31 struct CompilationUnit;
     32 
     33 class DexCompilationUnit {
     34  public:
     35   explicit DexCompilationUnit(CompilationUnit* cu);
     36 
     37   DexCompilationUnit(CompilationUnit* cu, jobject class_loader, ClassLinker* class_linker,
     38                      const DexFile& dex_file, const DexFile::CodeItem* code_item,
     39                      uint16_t class_def_idx, uint32_t method_idx, uint32_t access_flags);
     40 
     41   CompilationUnit* GetCompilationUnit() const {
     42     return cu_;
     43   }
     44 
     45   jobject GetClassLoader() const {
     46     return class_loader_;
     47   }
     48 
     49   ClassLinker* GetClassLinker() const {
     50     return class_linker_;
     51   }
     52 
     53   const DexFile* GetDexFile() const {
     54     return dex_file_;
     55   }
     56 
     57   uint16_t GetClassDefIndex() const {
     58     return class_def_idx_;
     59   }
     60 
     61   uint32_t GetDexMethodIndex() const {
     62     return dex_method_idx_;
     63   }
     64 
     65   const DexFile::CodeItem* GetCodeItem() const {
     66     return code_item_;
     67   }
     68 
     69   const char* GetShorty() const {
     70     const DexFile::MethodId& method_id = dex_file_->GetMethodId(dex_method_idx_);
     71     return dex_file_->GetMethodShorty(method_id);
     72   }
     73 
     74   const char* GetShorty(uint32_t* shorty_len) const {
     75     const DexFile::MethodId& method_id = dex_file_->GetMethodId(dex_method_idx_);
     76     return dex_file_->GetMethodShorty(method_id, shorty_len);
     77   }
     78 
     79   uint32_t GetAccessFlags() const {
     80     return access_flags_;
     81   }
     82 
     83   bool IsConstructor() const {
     84     return ((access_flags_ & kAccConstructor) != 0);
     85   }
     86 
     87   bool IsNative() const {
     88     return ((access_flags_ & kAccNative) != 0);
     89   }
     90 
     91   bool IsStatic() const {
     92     return ((access_flags_ & kAccStatic) != 0);
     93   }
     94 
     95   bool IsSynchronized() const {
     96     return ((access_flags_ & kAccSynchronized) != 0);
     97   }
     98 
     99   const std::string& GetSymbol();
    100 
    101  private:
    102   CompilationUnit* const cu_;
    103 
    104   const jobject class_loader_;
    105 
    106   ClassLinker* const class_linker_;
    107 
    108   const DexFile* const dex_file_;
    109 
    110   const DexFile::CodeItem* const code_item_;
    111   const uint16_t class_def_idx_;
    112   const uint32_t dex_method_idx_;
    113   const uint32_t access_flags_;
    114 
    115   std::string symbol_;
    116 };
    117 
    118 }  // namespace art
    119 
    120 #endif  // ART_COMPILER_DRIVER_DEX_COMPILATION_UNIT_H_
    121