LLVM  12.0.0git
PDB.cpp
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1 //===- PDB.cpp - base header file for creating a PDB reader ---------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
10 #include "llvm/ADT/StringRef.h"
11 #include "llvm/Config/config.h"
13 #if LLVM_ENABLE_DIA_SDK
15 #endif
17 #include "llvm/Support/Error.h"
19 
20 using namespace llvm;
21 using namespace llvm::pdb;
22 
24  std::unique_ptr<IPDBSession> &Session) {
25  // Create the correct concrete instance type based on the value of Type.
26  if (Type == PDB_ReaderType::Native)
27  return NativeSession::createFromPdbPath(Path, Session);
28 
29 #if LLVM_ENABLE_DIA_SDK
30  return DIASession::createFromPdb(Path, Session);
31 #else
32  return make_error<PDBError>(pdb_error_code::dia_sdk_not_present);
33 #endif
34 }
35 
37  std::unique_ptr<IPDBSession> &Session) {
38  // Create the correct concrete instance type based on the value of Type.
39  if (Type == PDB_ReaderType::Native) {
41  if (!PdbPath)
42  return PdbPath.takeError();
43  return NativeSession::createFromPdbPath(PdbPath.get(), Session);
44  }
45 
46 #if LLVM_ENABLE_DIA_SDK
47  return DIASession::createFromExe(Path, Session);
48 #else
49  return make_error<PDBError>(pdb_error_code::dia_sdk_not_present);
50 #endif
51 }
This class represents lattice values for constants.
Definition: AllocatorList.h:23
PDB_ReaderType
Specifies which PDB reader implementation is to be used.
Definition: PDBTypes.h:80
Error takeError()
Take ownership of the stored error.
Definition: Error.h:557
Tagged union holding either a T or a Error.
Definition: APFloat.h:42
static Error createFromPdb(StringRef Path, std::unique_ptr< IPDBSession > &Session)
Definition: DIASession.cpp:87
Error loadDataForEXE(PDB_ReaderType Type, StringRef Path, std::unique_ptr< IPDBSession > &Session)
Definition: PDB.cpp:36
The instances of the Type class are immutable: once they are created, they are never changed...
Definition: Type.h:46
static Error createFromPdbPath(StringRef PdbPath, std::unique_ptr< IPDBSession > &Session)
Error loadDataForPDB(PDB_ReaderType Type, StringRef Path, std::unique_ptr< IPDBSession > &Session)
Definition: PDB.cpp:23
static Expected< std::string > searchForPdb(const PdbSearchOptions &Opts)
reference get()
Returns a reference to the stored T value.
Definition: Error.h:537
static Error createFromExe(StringRef Path, std::unique_ptr< IPDBSession > &Session)
Definition: DIASession.cpp:113
Lightweight error class with error context and mandatory checking.
Definition: Error.h:157
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:57