void PatchRawCode(ByteBuffer buffer, int code_size, CodeWriter writer) { var metadata = writer.metadata; buffer.WriteBytes (ReadBytes (code_size)); var end = buffer.position; buffer.position -= code_size; while (buffer.position < end) { OpCode opcode; var il_opcode = buffer.ReadByte (); if (il_opcode != 0xfe) { opcode = OpCodes.OneByteOpCode [il_opcode]; } else { var il_opcode2 = buffer.ReadByte (); opcode = OpCodes.TwoBytesOpCode [il_opcode2]; } switch (opcode.OperandType) { case OperandType.ShortInlineI: case OperandType.ShortInlineBrTarget: case OperandType.ShortInlineVar: case OperandType.ShortInlineArg: buffer.position += 1; break; case OperandType.InlineVar: case OperandType.InlineArg: buffer.position += 2; break; case OperandType.InlineBrTarget: case OperandType.ShortInlineR: case OperandType.InlineI: buffer.position += 4; break; case OperandType.InlineI8: case OperandType.InlineR: buffer.position += 8; break; case OperandType.InlineSwitch: var length = buffer.ReadInt32 (); buffer.position += length * 4; break; case OperandType.InlineString: var @string = GetString (new MetadataToken (buffer.ReadUInt32 ())); buffer.position -= 4; buffer.WriteUInt32 ( new MetadataToken ( TokenType.String, metadata.user_string_heap.GetStringIndex (@string)).ToUInt32 ()); break; case OperandType.InlineSig: var call_site = GetCallSite (new MetadataToken (buffer.ReadUInt32 ())); buffer.position -= 4; buffer.WriteUInt32 (writer.GetStandAloneSignature (call_site).ToUInt32 ()); break; case OperandType.InlineTok: case OperandType.InlineType: case OperandType.InlineMethod: case OperandType.InlineField: var provider = reader.LookupToken (new MetadataToken (buffer.ReadUInt32 ())); buffer.position -= 4; buffer.WriteUInt32 (metadata.LookupToken (provider).ToUInt32 ()); break; } } }