summaryrefslogtreecommitdiff
path: root/Source/cmMakeDepend.h
blob: b6e3928e9bf0264ff3816850f190aba292b66bd6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
/*============================================================================
  CMake - Cross Platform Makefile Generator
  Copyright 2000-2009 Kitware, Inc., Insight Software Consortium

  Distributed under the OSI-approved BSD License (the "License");
  see accompanying file Copyright.txt for details.

  This software is distributed WITHOUT ANY WARRANTY; without even the
  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the License for more information.
============================================================================*/
#ifndef cmMakeDepend_h
#define cmMakeDepend_h

#include "cmMakefile.h"
#include "cmSourceFile.h"

#include <cmsys/RegularExpression.hxx>

/** \class cmDependInformation
 * \brief Store dependency information for a single source file.
 *
 * This structure stores the depend information for a single source file.
 */
class cmDependInformation
{
public:
  /**
   * Construct with dependency generation marked not done; instance
   * not placed in cmMakefile's list.
   */
  cmDependInformation(): DependDone(false), SourceFile(0) {}

  /**
   * The set of files on which this one depends.
   */
  typedef std::set<cmDependInformation*> DependencySetType;
  DependencySetType DependencySet;

  /**
   * This flag indicates whether dependency checking has been
   * performed for this file.
   */
  bool DependDone;

  /**
   * If this object corresponds to a cmSourceFile instance, this points
   * to it.
   */
  const cmSourceFile *SourceFile;

  /**
   * Full path to this file.
   */
  std::string FullPath;

  /**
   * Full path not including file name.
   */
  std::string PathOnly;

  /**
   * Name used to #include this file.
   */
  std::string IncludeName;

  /**
   * This method adds the dependencies of another file to this one.
   */
  void AddDependencies(cmDependInformation*);
};


// cmMakeDepend is used to generate dependancy information for
// the classes in a makefile
class cmMakeDepend
{
public:
  /**
   * Construct the object with verbose turned off.
   */
  cmMakeDepend();

  /**
   * Destructor.
   */
  virtual ~cmMakeDepend();

  /**
   * Set the makefile that is used as a source of classes.
   */
  virtual void SetMakefile(cmMakefile* makefile);

  /**
   * Add a directory to the search path for include files.
   */
  virtual void AddSearchPath(const char*);

  /**
   * Generate dependencies for the file given.  Returns a pointer to
   * the cmDependInformation object for the file.
   */
  const cmDependInformation* FindDependencies(const char* file);

protected:
  /**
   * Compute the depend information for this class.
   */
  virtual void DependWalk(cmDependInformation* info);

  /**
   * Add a dependency.  Possibly walk it for more dependencies.
   */
  virtual void AddDependency(cmDependInformation* info, const char* file);

  /**
   * Fill in the given object with dependency information.  If the
   * information is already complete, nothing is done.
   */
  void GenerateDependInformation(cmDependInformation* info);

  /**
   * Get an instance of cmDependInformation corresponding to the given file
   * name.
   */
  cmDependInformation* GetDependInformation(const char* file,
                                            const char *extraPath);

  /**
   * Find the full path name for the given file name.
   * This uses the include directories.
   * TODO: Cache path conversions to reduce FileExists calls.
   */
  std::string FullPath(const char *filename, const char *extraPath);

  cmMakefile* Makefile;
  bool Verbose;
  cmsys::RegularExpression IncludeFileRegularExpression;
  cmsys::RegularExpression ComplainFileRegularExpression;
  std::vector<std::string> IncludeDirectories;
  typedef std::map<cmStdString, cmStdString> FileToPathMapType;
  typedef std::map<cmStdString, FileToPathMapType>
  DirectoryToFileToPathMapType;
  typedef std::map<cmStdString, cmDependInformation*>
  DependInformationMapType;
  DependInformationMapType DependInformationMap;
  DirectoryToFileToPathMapType DirectoryToFileToPathMap;
};

#endif