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      1 /*
      2  * Copyright (C) 2017 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 // This file declares a completion of the CompilerOptionsMap and should be included into a
     18 // .cc file, only.
     19 
     20 #ifndef ART_COMPILER_DRIVER_SIMPLE_COMPILER_OPTIONS_MAP_H_
     21 #define ART_COMPILER_DRIVER_SIMPLE_COMPILER_OPTIONS_MAP_H_
     22 
     23 #include <memory>
     24 
     25 #include "compiler_options_map-inl.h"
     26 #include "base/variant_map.h"
     27 
     28 namespace art {
     29 
     30 template <typename TValue>
     31 struct SimpleParseArgumentMapKey : VariantMapKey<TValue> {
     32   SimpleParseArgumentMapKey() {}
     33   explicit SimpleParseArgumentMapKey(TValue default_value)
     34       : VariantMapKey<TValue>(std::move(default_value)) {}
     35   // Don't ODR-use constexpr default values, which means that Struct::Fields
     36   // that are declared 'static constexpr T Name = Value' don't need to have a matching definition.
     37 };
     38 
     39 struct SimpleParseArgumentMap : CompilerOptionsMap<SimpleParseArgumentMap,
     40                                                    SimpleParseArgumentMapKey> {
     41   // This 'using' line is necessary to inherit the variadic constructor.
     42   using CompilerOptionsMap<SimpleParseArgumentMap, SimpleParseArgumentMapKey>::CompilerOptionsMap;
     43 };
     44 
     45 #define COMPILER_OPTIONS_MAP_TYPE SimpleParseArgumentMap
     46 #define COMPILER_OPTIONS_MAP_KEY_TYPE SimpleParseArgumentMapKey
     47 #include "compiler_options_map-storage.h"
     48 
     49 using Parser = CmdlineParser<SimpleParseArgumentMap, SimpleParseArgumentMapKey>;
     50 
     51 static inline Parser CreateSimpleParser(bool ignore_unrecognized) {
     52   std::unique_ptr<Parser::Builder> parser_builder =
     53       std::unique_ptr<Parser::Builder>(new Parser::Builder());
     54 
     55   AddCompilerOptionsArgumentParserOptions<SimpleParseArgumentMap>(*parser_builder);
     56 
     57   parser_builder->IgnoreUnrecognized(ignore_unrecognized);
     58 
     59   return parser_builder->Build();
     60 }
     61 
     62 }  // namespace art
     63 
     64 #endif  // ART_COMPILER_DRIVER_SIMPLE_COMPILER_OPTIONS_MAP_H_
     65