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[pdb] Make an abstract base class for PDBFile. 

This will allow us to mock it out in a unit test to begin
writing unit tests for the various PDB and codeview classes.

llvm-svn: 271168
This commit is contained in:
Zachary Turner 2016-05-29 05:36:01 +00:00
parent 746addd261
commit d28449e2ca
2 changed files with 60 additions and 13 deletions
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45
llvm/include/llvm/DebugInfo/PDB/Raw/IPDBFile.h Normal file
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@ -0,0 +1,45 @@
//===- IPDBFile.h - Abstract base class for a PDB file ----------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_DEBUGINFO_PDB_RAW_IPDBFILE_H
#define LLVM_DEBUGINFO_PDB_RAW_IPDBFILE_H
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/Endian.h"
#include <stdint.h>
namespace llvm {
namespace pdb {
struct IPDBFile {
public:
virtual ~IPDBFile() {}
virtual uint32_t getBlockSize() const = 0;
virtual uint32_t getBlockCount() const = 0;
virtual uint32_t getNumDirectoryBytes() const = 0;
virtual uint32_t getBlockMapIndex() const = 0;
virtual uint32_t getNumDirectoryBlocks() const = 0;
virtual uint64_t getBlockMapOffset() const = 0;
virtual uint32_t getNumStreams() const = 0;
virtual uint32_t getStreamByteSize(uint32_t StreamIndex) const = 0;
virtual ArrayRef<uint32_t> getStreamBlockList(uint32_t StreamIndex) const = 0;
virtual StringRef getBlockData(uint32_t BlockIndex,
uint32_t NumBytes) const = 0;
virtual ArrayRef<support::ulittle32_t> getDirectoryBlockArray() = 0;
};
}
}
#endif // LLVM_DEBUGINFO_PDB_RAW_IPDBFILE_H

28
llvm/include/llvm/DebugInfo/PDB/Raw/PDBFile.h
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@ -11,6 +11,7 @@
#define LLVM_DEBUGINFO_PDB_RAW_PDBFILE_H
#include "llvm/ADT/DenseMap.h"
#include "llvm/DebugInfo/PDB/Raw/IPDBFile.h"
#include "llvm/Support/Endian.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/MathExtras.h"
@ -28,27 +29,28 @@ class PublicsStream;
class SymbolStream;
class TpiStream;
class PDBFile {
class PDBFile : public IPDBFile {
public:
explicit PDBFile(std::unique_ptr<MemoryBuffer> MemBuffer);
~PDBFile();
~PDBFile() override;
uint32_t getBlockSize() const;
uint32_t getUnknown0() const;
uint32_t getBlockCount() const;
uint32_t getNumDirectoryBytes() const;
uint32_t getBlockMapIndex() const;
uint32_t getUnknown1() const;
uint32_t getNumDirectoryBlocks() const;
uint64_t getBlockMapOffset() const;
uint32_t getNumStreams() const;
uint32_t getStreamByteSize(uint32_t StreamIndex) const;
ArrayRef<uint32_t> getStreamBlockList(uint32_t StreamIndex) const;
uint32_t getBlockSize() const override;
uint32_t getBlockCount() const override;
uint32_t getNumDirectoryBytes() const override;
uint32_t getBlockMapIndex() const override;
uint32_t getNumDirectoryBlocks() const override;
uint64_t getBlockMapOffset() const override;
StringRef getBlockData(uint32_t BlockIndex, uint32_t NumBytes) const;
uint32_t getNumStreams() const override;
uint32_t getStreamByteSize(uint32_t StreamIndex) const override;
ArrayRef<uint32_t> getStreamBlockList(uint32_t StreamIndex) const override;
ArrayRef<support::ulittle32_t> getDirectoryBlockArray();
StringRef getBlockData(uint32_t BlockIndex, uint32_t NumBytes) const override;
ArrayRef<support::ulittle32_t> getDirectoryBlockArray() override;
Error parseFileHeaders();
Error parseStreamData();