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      1 /*
      2  * Copyright (C) 2011 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_RUNTIME_PARSED_OPTIONS_H_
     18 #define ART_RUNTIME_PARSED_OPTIONS_H_
     19 
     20 #include <string>
     21 #include <vector>
     22 
     23 #include <jni.h>
     24 
     25 #include "globals.h"
     26 #include "gc/collector_type.h"
     27 #include "gc/space/large_object_space.h"
     28 #include "arch/instruction_set.h"
     29 #include "jit/profile_saver_options.h"
     30 #include "runtime_options.h"
     31 
     32 namespace art {
     33 
     34 class CompilerCallbacks;
     35 class DexFile;
     36 struct RuntimeArgumentMap;
     37 
     38 typedef std::vector<std::pair<std::string, const void*>> RuntimeOptions;
     39 
     40 template <typename TVariantMap,
     41           template <typename TKeyValue> class TVariantMapKey>
     42 struct CmdlineParser;
     43 
     44 class ParsedOptions {
     45  public:
     46   using RuntimeParser = CmdlineParser<RuntimeArgumentMap, RuntimeArgumentMap::Key>;
     47   // Create a parser that can turn user-defined input into a RuntimeArgumentMap.
     48   // This visibility is effectively for testing-only, and normal code does not
     49   // need to create its own parser.
     50   static std::unique_ptr<RuntimeParser> MakeParser(bool ignore_unrecognized);
     51 
     52   // returns true if parsing succeeds, and stores the resulting options into runtime_options
     53   static bool Parse(const RuntimeOptions& options,
     54                     bool ignore_unrecognized,
     55                     RuntimeArgumentMap* runtime_options);
     56 
     57   bool (*hook_is_sensitive_thread_)();
     58   jint (*hook_vfprintf_)(FILE* stream, const char* format, va_list ap);
     59   void (*hook_exit_)(jint status);
     60   void (*hook_abort_)();
     61 
     62  private:
     63   ParsedOptions();
     64 
     65   bool ProcessSpecialOptions(const RuntimeOptions& options,
     66                              RuntimeArgumentMap* runtime_options,
     67                              std::vector<std::string>* out_options);
     68 
     69   void Usage(const char* fmt, ...);
     70   void UsageMessage(FILE* stream, const char* fmt, ...);
     71   void UsageMessageV(FILE* stream, const char* fmt, va_list ap);
     72 
     73   void Exit(int status);
     74   void Abort();
     75 
     76   bool DoParse(const RuntimeOptions& options,
     77                bool ignore_unrecognized,
     78                RuntimeArgumentMap* runtime_options);
     79 };
     80 
     81 }  // namespace art
     82 
     83 #endif  // ART_RUNTIME_PARSED_OPTIONS_H_
     84