hphp/runtime/vm/repo-autoload-map-builder.h

   1 /*
   2    +----------------------------------------------------------------------+
   3    | HipHop for PHP                                                       |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 2010-present Facebook, Inc. (http://www.facebook.com)  |
   6    +----------------------------------------------------------------------+
   7    | This source file is subject to version 3.01 of the PHP license,      |
   8    | that is bundled with this package in the file LICENSE, and is        |
   9    | available through the world-wide-web at the following url:           |
  10    | http://www.php.net/license/3_01.txt                                  |
  11    | If you did not receive a copy of the PHP license and are unable to   |
  12    | obtain it through the world-wide-web, please send a note to          |
  13    | license@php.net so we can mail you a copy immediately.               |
  14    +----------------------------------------------------------------------+
  15 */
  16 #pragma once
  17
  18 #include "hphp/runtime/base/repo-autoload-map.h"
  19 #include "hphp/runtime/base/string-data.h"
  20
  21 #include "hphp/util/blob-encoder.h"
  22 #include "hphp/util/hash-map.h"
  23
  24 namespace HPHP {
  25
  26 //////////////////////////////////////////////////////////////////////
  27
  28 struct UnitEmitter;
  29 struct PreClassEmitter;
  30 struct FuncEmitter;
  31 struct TypeAlias;
  32 struct Constant;
  33
  34 struct RepoAutoloadMapBuilder {
  35
  36   template <typename Compare>
  37   using Map = folly_concurrent_hash_map_simd<
  38     const StringData*,
  39     int64_t,
  40     string_data_hash,
  41     Compare
  42   >;
  43
  44   using CaseInsensitiveMap = Map<string_data_isame>;
  45   using CaseSensitiveMap = Map<string_data_same>;
  46
  47   friend struct FuncEmitter;
  48
  49   static std::unique_ptr<RepoAutoloadMap> serde(BlobDecoder& sd);
  50   void serde(BlobEncoder& sd) const;
  51
  52   void addUnit(const UnitEmitter& ue);
  53
  54 private:
  55   template<typename Compare>
  56   static void serdeMap(BlobEncoder& sd, const Map<Compare>& map) {
  57     sd(map.size());
  58     for (auto const& kv : map) sd(kv.first)(kv.second);
  59   }
  60
  61   template<typename Map>
  62   static Map serdeMap(BlobDecoder& sd) {
  63     size_t size;
  64     sd(size);
  65     Map map(size);
  66     for (size_t i = 0; i < size; i++) {
  67       const StringData* str;
  68       int64_t unitSn;
  69       sd(str)
  70         (unitSn)
  71         ;
  72       map[str] = unitSn;
  73     }
  74     return map;
  75   }
  76
  77   CaseInsensitiveMap m_types;
  78   CaseInsensitiveMap m_funcs;
  79   CaseInsensitiveMap m_typeAliases;
  80   CaseSensitiveMap m_constants;
  81 };
  82
  83 //////////////////////////////////////////////////////////////////////
  84
  85 }