mcs/class/Mono.Cecil/Mono.Cecil.Metadata/TableHeap.cs

   1 //
   2 // TableHeap.cs
   3 //
   4 // Author:
   5 //   Jb Evain (jbevain@gmail.com)
   6 //
   7 // Copyright (c) 2008 - 2011 Jb Evain
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 using System;
  30 using Mono.Cecil.PE;
  31
  32 namespace Mono.Cecil.Metadata {
  33
  34         enum Table : byte {
  35                 Module = 0x00,
  36                 TypeRef = 0x01,
  37                 TypeDef = 0x02,
  38                 FieldPtr = 0x03,
  39                 Field = 0x04,
  40                 MethodPtr = 0x05,
  41                 Method = 0x06,
  42                 ParamPtr = 0x07,
  43                 Param = 0x08,
  44                 InterfaceImpl = 0x09,
  45                 MemberRef = 0x0a,
  46                 Constant = 0x0b,
  47                 CustomAttribute = 0x0c,
  48                 FieldMarshal = 0x0d,
  49                 DeclSecurity = 0x0e,
  50                 ClassLayout = 0x0f,
  51                 FieldLayout = 0x10,
  52                 StandAloneSig = 0x11,
  53                 EventMap = 0x12,
  54                 EventPtr = 0x13,
  55                 Event = 0x14,
  56                 PropertyMap = 0x15,
  57                 PropertyPtr = 0x16,
  58                 Property = 0x17,
  59                 MethodSemantics = 0x18,
  60                 MethodImpl = 0x19,
  61                 ModuleRef = 0x1a,
  62                 TypeSpec = 0x1b,
  63                 ImplMap = 0x1c,
  64                 FieldRVA = 0x1d,
  65                 EncLog = 0x1e,
  66                 EncMap = 0x1f,
  67                 Assembly = 0x20,
  68                 AssemblyProcessor = 0x21,
  69                 AssemblyOS = 0x22,
  70                 AssemblyRef = 0x23,
  71                 AssemblyRefProcessor = 0x24,
  72                 AssemblyRefOS = 0x25,
  73                 File = 0x26,
  74                 ExportedType = 0x27,
  75                 ManifestResource = 0x28,
  76                 NestedClass = 0x29,
  77                 GenericParam = 0x2a,
  78                 MethodSpec = 0x2b,
  79                 GenericParamConstraint = 0x2c,
  80         }
  81
  82         struct TableInformation {
  83                 public uint Offset;
  84                 public uint Length;
  85                 public uint RowSize;
  86         }
  87
  88         sealed class TableHeap : Heap {
  89
  90                 public long Valid;
  91                 public long Sorted;
  92
  93                 public const int TableCount = 45;
  94
  95                 public readonly TableInformation [] Tables = new TableInformation [TableCount];
  96
  97                 public TableInformation this [Table table] {
  98                         get { return Tables [(int) table]; }
  99                 }
 100
 101                 public TableHeap (Section section, uint start, uint size)
 102                         : base (section, start, size)
 103                 {
 104                 }
 105
 106                 public bool HasTable (Table table)
 107                 {
 108                         return (Valid & (1L << (int) table)) != 0;
 109                 }
 110         }
 111 }