90 lines
2.3 KiB
C#
90 lines
2.3 KiB
C#
// Copyright (c) Microsoft. All rights reserved.
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// Licensed under the MIT license. See LICENSE file in the project root for full license information.
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using System;
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using System.Runtime.InteropServices;
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namespace Microsoft.Cci.Pdb {
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/// <summary />
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internal class PdbConstant {
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internal string name;
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internal uint token;
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internal object value;
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internal PdbConstant(string name, uint token, object value) {
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this.name = name;
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this.token = token;
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this.value = value;
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}
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internal PdbConstant(BitAccess bits) {
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bits.ReadUInt32(out this.token);
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byte tag1;
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bits.ReadUInt8(out tag1);
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byte tag2;
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bits.ReadUInt8(out tag2);
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if (tag2 == 0) {
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this.value = tag1;
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} else if (tag2 == 0x80) {
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switch (tag1) {
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case 0x00: //sbyte
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sbyte sb;
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bits.ReadInt8(out sb);
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this.value = sb;
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break;
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case 0x01: //short
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short s;
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bits.ReadInt16(out s);
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this.value = s;
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break;
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case 0x02: //ushort
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ushort us;
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bits.ReadUInt16(out us);
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this.value = us;
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break;
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case 0x03: //int
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int i;
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bits.ReadInt32(out i);
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this.value = i;
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break;
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case 0x04: //uint
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uint ui;
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bits.ReadUInt32(out ui);
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this.value = ui;
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break;
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case 0x05: //float
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this.value = bits.ReadFloat();
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break;
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case 0x06: //double
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this.value = bits.ReadDouble();
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break;
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case 0x09: //long
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long sl;
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bits.ReadInt64(out sl);
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this.value = sl;
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break;
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case 0x0a: //ulong
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ulong ul;
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bits.ReadUInt64(out ul);
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this.value = ul;
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break;
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case 0x10: //string
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string str;
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bits.ReadBString(out str);
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this.value = str;
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break;
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case 0x19: //decimal
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this.value = bits.ReadDecimal();
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break;
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default:
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//TODO: error
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break;
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}
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} else {
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//TODO: error
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}
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bits.ReadCString(out name);
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}
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}
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}
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