Source.h revision b10c3a7d91556ef31ce91ef018fee4722b783960 
1/*
2 * Copyright 2010-2012, The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef BCC_SOURCE_H
18#define BCC_SOURCE_H
19
20#include <string>
21
22namespace llvm {
23  class Module;
24}
25
26namespace bcc {
27
28class BCCContext;
29
30class Source {
31private:
32  BCCContext &mContext;
33  llvm::Module *mModule;
34
35  // If true, destructor won't destroy the mModule.
36  bool mNoDelete;
37
38private:
39  Source(BCCContext &pContext, llvm::Module &pModule, bool pNoDelete = false);
40
41public:
42  static Source *CreateFromBuffer(BCCContext &pContext,
43                                  const char *pName,
44                                  const char *pBitcode,
45                                  size_t pBitcodeSize);
46
47  static Source *CreateFromFile(BCCContext &pContext,
48                                const std::string &pPath);
49
50  // Create a Source object from an existing module. If pNoDelete
51  // is true, destructor won't call delete on the given module.
52  static Source *CreateFromModule(BCCContext &pContext,
53                                  llvm::Module &pModule,
54                                  bool pNoDelete = false);
55
56  static Source *CreateEmpty(BCCContext &pContext, const std::string &pName);
57
58  // Merge the current source with pSource. If pPreserveSource is false, pSource
59  // will be destroyed after successfully merged. Return false on error.
60  bool merge(Source &pSource, bool pPreserveSource = false);
61
62  inline BCCContext &getContext()
63  { return mContext; }
64  inline const BCCContext &getContext() const
65  { return mContext; }
66
67  void setModule(llvm::Module *pModule);
68
69  inline llvm::Module &getModule()
70  { return *mModule;  }
71  inline const llvm::Module &getModule() const
72  { return *mModule;  }
73
74  // Get the "identifier" of the bitcode. This will return the value of pName
75  // when it's created using CreateFromBuffer and pPath if CreateFromFile().
76  const std::string &getIdentifier() const;
77
78  ~Source();
79};
80
81} // namespace bcc
82
83#endif // BCC_SOURCE_H
84