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