tools/pdb2mdb/PdbConstant.cs

   1 //-----------------------------------------------------------------------------
   2 //
   3 // Copyright (C) Microsoft Corporation.  All Rights Reserved.
   4 //
   5 //-----------------------------------------------------------------------------
   6 using System;
   7 using System.Runtime.InteropServices;
   8
   9 namespace Microsoft.Cci.Pdb {
  10   internal class PdbConstant {
  11     internal string name;
  12     internal uint token;
  13     internal object value;
  14
  15     internal PdbConstant(BitAccess bits) {
  16       bits.ReadUInt32(out this.token);
  17       byte tag1;
  18       bits.ReadUInt8(out tag1);
  19       byte tag2;
  20       bits.ReadUInt8(out tag2);
  21       if (tag2 == 0) {
  22         this.value = tag1;
  23       } else if (tag2 == 0x80) {
  24         switch (tag1) {
  25           case 0x01: //short
  26             short s;
  27             bits.ReadInt16(out s);
  28             this.value = s;
  29             break;
  30           case 0x02: //ushort
  31             ushort us;
  32             bits.ReadUInt16(out us);
  33             this.value = us;
  34             break;
  35           case 0x03: //int
  36             int i;
  37             bits.ReadInt32(out i);
  38             this.value = i;
  39             break;
  40           case 0x04: //uint
  41             uint ui;
  42             bits.ReadUInt32(out ui);
  43             this.value = ui;
  44             break;
  45           case 0x05: //float
  46             this.value = bits.ReadFloat();
  47             break;
  48           case 0x06: //double
  49             this.value = bits.ReadDouble();
  50             break;
  51           case 0x09: //long
  52             long sl;
  53             bits.ReadInt64(out sl);
  54             this.value = sl;
  55             break;
  56           case 0x0a: //ulong
  57             ulong ul;
  58             bits.ReadUInt64(out ul);
  59             this.value = ul;
  60             break;
  61           case 0x10: //string
  62             string str;
  63             bits.ReadBString(out str);
  64             this.value = str;
  65             break;
  66           case 0x19: //decimal
  67             this.value = bits.ReadDecimal();
  68             break;
  69           default:
  70             //TODO: error
  71             break;
  72         }
  73       } else {
  74         //TODO: error
  75       }
  76       bits.ReadCString(out name);
  77     }
  78   }
  79 }