예제 #1
0
        private static Dictionary<string, int> LoadNameIndex(BitAccess bits, out int ver, out int sig, out int age, out Guid guid)
        {
            Dictionary<string, int> result = new Dictionary<string, int>();
            bits.ReadInt32(out ver);    //  0..3  Version
            bits.ReadInt32(out sig);    //  4..7  Signature
            bits.ReadInt32(out age);    //  8..11 Age
            bits.ReadGuid(out guid);       // 12..27 GUID

            //if (ver != 20000404) {
            //  throw new PdbDebugException("Unsupported PDB Stream version {0}", ver);
            //}

            // Read string buffer.
            int buf;
            bits.ReadInt32(out buf);    // 28..31 Bytes of Strings

            int beg = bits.Position;
            int nxt = bits.Position + buf;

            bits.Position = nxt;

            // Read map index.
            int cnt;        // n+0..3 hash size.
            int max;        // n+4..7 maximum ni.

            bits.ReadInt32(out cnt);
            bits.ReadInt32(out max);

            BitSet present = new BitSet(bits);
            BitSet deleted = new BitSet(bits);
            if (!deleted.IsEmpty)
            {
                throw new PdbDebugException("Unsupported PDB deleted bitset is not empty.");
            }

            int j = 0;
            for (int i = 0; i < max; i++)
            {
                if (present.IsSet(i))
                {
                    int ns;
                    int ni;
                    bits.ReadInt32(out ns);
                    bits.ReadInt32(out ni);

                    string name;
                    int saved = bits.Position;
                    bits.Position = beg + ns;
                    bits.ReadCString(out name);
                    bits.Position = saved;

                    result.Add(name.ToUpperInvariant(), ni);
                    j++;
                }
            }
            if (j != cnt)
            {
                throw new PdbDebugException("Count mismatch. ({0} != {1})", j, cnt);
            }
            return result;
        }