[PATCH] D19343: Move PDB parsing code into a library

[Zachary Turner via llvm-commits]

zturner created this revision.
zturner added a reviewer: rnk.
zturner added a subscriber: llvm-commits.

PDB parsing code was hand-rolled into llvm-pdbdump.  This patch moves the parsing of this code into DebugInfoPDB and makes the dumper use this.

This is achieved by implementing the skeleton of RawPdbSession, the non-DIA counterpart to the existing PDB read interface.  None of the type / source file / etc information is accessible yet, so this implementation is not yet close to achieving parity with the DIA counterpart, but the `RawSession` class simply holds a reference to a `PDBFile` class which handles parsing the file format.  Additionally a `PDBStream` class is introduced which allows accessing the bytes of a particular stream in a PDB file.

Feel free to add another reviewer if you can think of someone better.

http://reviews.llvm.org/D19343

Files:
  include/llvm/DebugInfo/PDB/IPDBSession.h
  include/llvm/DebugInfo/PDB/PDBTypes.h
  include/llvm/DebugInfo/PDB/Raw/PDBFile.h
  include/llvm/DebugInfo/PDB/Raw/PDBStream.h
  include/llvm/DebugInfo/PDB/Raw/RawSession.h
  lib/DebugInfo/PDB/CMakeLists.txt
  lib/DebugInfo/PDB/PDB.cpp
  lib/DebugInfo/PDB/Raw/PDBFile.cpp
  lib/DebugInfo/PDB/Raw/PDBStream.cpp
  lib/DebugInfo/PDB/Raw/RawSession.cpp
  tools/llvm-pdbdump/BuiltinDumper.h
  tools/llvm-pdbdump/llvm-pdbdump.cpp

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