1//===- IPDBDataStream.h - base interface for child enumerator -*- C++ ---*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef LLVM_DEBUGINFO_PDB_IPDBDATASTREAM_H
11#define LLVM_DEBUGINFO_PDB_IPDBDATASTREAM_H
12
13#include "PDBTypes.h"
14#include "llvm/ADT/Optional.h"
15#include "llvm/ADT/SmallVector.h"
16
17namespace llvm {
18namespace pdb {
19
20/// IPDBDataStream defines an interface used to represent a stream consisting
21/// of a name and a series of records whose formats depend on the particular
22/// stream type.
23class IPDBDataStream {
24public:
25  typedef llvm::SmallVector<uint8_t, 32> RecordType;
26
27  virtual ~IPDBDataStream();
28
29  virtual uint32_t getRecordCount() const = 0;
30  virtual std::string getName() const = 0;
31  virtual llvm::Optional<RecordType> getItemAtIndex(uint32_t Index) const = 0;
32  virtual bool getNext(RecordType &Record) = 0;
33  virtual void reset() = 0;
34  virtual IPDBDataStream *clone() const = 0;
35};
36}
37}
38
39#endif
40