InputFactory.h revision 87f34658dec9097d987d254a990ea7f311bfc95f 
1//===- InputFactory.h -----------------------------------------------------===//
2//
3//                     The MCLinker Project
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9#ifndef MCLD_MC_INPUTFACTORY_H
10#define MCLD_MC_INPUTFACTORY_H
11#ifdef ENABLE_UNITTEST
12#include <gtest.h>
13#endif
14#include <mcld/Support/GCFactory.h>
15#include <mcld/MC/Input.h>
16
17namespace mcld {
18
19class LinkerConfig;
20class AttributeProxy;
21class AttributeSet;
22
23/** \class InputFactory
24 *  \brief InputFactory controls the production and destruction of
25 *  MCLDInput.
26 *
27 *  All MCLDFiles created by MCLDFileFactory are guaranteed to be destructed
28 *  while MCLDFileFactory is destructed.
29 *
30 *  \see llvm::sys::Path
31 */
32class InputFactory : public GCFactory<Input,0>
33{
34public:
35  typedef GCFactory<Input, 0> Alloc;
36
37public:
38  InputFactory(size_t pNum, const LinkerConfig& pConfig);
39
40  ~InputFactory();
41
42  // -----  input  ----- //
43  Input* produce(llvm::StringRef pName,
44                 const sys::fs::Path& pPath,
45                 unsigned int pType = Input::Unknown,
46                 off_t pFileOffset = 0);
47
48  // -----  attributes  ----- //
49  /// attr - the last touched attribute.
50  const AttributeProxy& attr() const { return *m_pLast; }
51  AttributeProxy&       attr()       { return *m_pLast; }
52
53private:
54  AttributeProxy* m_pLast;
55  AttributeSet* m_pAttrSet;
56};
57
58} // namespace of mcld
59
60#endif
61
62