summaryrefslogtreecommitdiff
path: root/Source/cmExportFileGenerator.h
blob: 747503e6d01762d3db6a63cd21c83e3acbed0dce (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
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
   file Copyright.txt or https://cmake.org/licensing for details.  */
#ifndef cmExportFileGenerator_h
#define cmExportFileGenerator_h

#include "cmConfigure.h" // IWYU pragma: keep

#include "cmGeneratorExpression.h"
#include "cmStateTypes.h"
#include "cmVersion.h"
#include "cmVersionConfig.h"

#include <iosfwd>
#include <map>
#include <set>
#include <string>
#include <vector>

class cmGeneratorTarget;

#define STRINGIFY_HELPER(X) #X
#define STRINGIFY(X) STRINGIFY_HELPER(X)

#define DEVEL_CMAKE_VERSION(major, minor)                                     \
  (CMake_VERSION_ENCODE(major, minor, 0) >                                    \
       CMake_VERSION_ENCODE(CMake_VERSION_MAJOR, CMake_VERSION_MINOR, 0)      \
     ? STRINGIFY(CMake_VERSION_MAJOR) "." STRINGIFY(                          \
         CMake_VERSION_MINOR) "." STRINGIFY(CMake_VERSION_PATCH)              \
     : #major "." #minor ".0")

class cmTargetExport;

/** \class cmExportFileGenerator
 * \brief Generate a file exporting targets from a build or install tree.
 *
 * cmExportFileGenerator is the superclass for
 * cmExportBuildFileGenerator and cmExportInstallFileGenerator.  It
 * contains common code generation routines for the two kinds of
 * export implementations.
 */
class cmExportFileGenerator
{
public:
  cmExportFileGenerator();
  virtual ~cmExportFileGenerator() = default;

  /** Set the full path to the export file to generate.  */
  void SetExportFile(const char* mainFile);
  const char* GetMainExportFileName() const;

  /** Set the namespace in which to place exported target names.  */
  void SetNamespace(const std::string& ns) { this->Namespace = ns; }
  std::string GetNamespace() const { return this->Namespace; }

  void SetExportOld(bool exportOld) { this->ExportOld = exportOld; }

  /** Add a configuration to be exported.  */
  void AddConfiguration(const std::string& config);

  /** Actually generate the export file.  Returns whether there was an
      error.  */
  bool GenerateImportFile();

protected:
  typedef std::map<std::string, std::string> ImportPropertyMap;

  // Generate per-configuration target information to the given output
  // stream.
  void GenerateImportConfig(std::ostream& os, const std::string& config,
                            std::vector<std::string>& missingTargets);

  // Methods to implement export file code generation.
  virtual void GeneratePolicyHeaderCode(std::ostream& os);
  virtual void GeneratePolicyFooterCode(std::ostream& os);
  virtual void GenerateImportHeaderCode(std::ostream& os,
                                        const std::string& config = "");
  virtual void GenerateImportFooterCode(std::ostream& os);
  void GenerateImportVersionCode(std::ostream& os);
  virtual void GenerateImportTargetCode(std::ostream& os,
                                        cmGeneratorTarget const* target,
                                        cmStateEnums::TargetType targetType);
  virtual void GenerateImportPropertyCode(std::ostream& os,
                                          const std::string& config,
                                          cmGeneratorTarget const* target,
                                          ImportPropertyMap const& properties);
  virtual void GenerateImportedFileChecksCode(
    std::ostream& os, cmGeneratorTarget* target,
    ImportPropertyMap const& properties,
    const std::set<std::string>& importedLocations);
  virtual void GenerateImportedFileCheckLoop(std::ostream& os);
  virtual void GenerateMissingTargetsCheckCode(
    std::ostream& os, const std::vector<std::string>& missingTargets);

  virtual void GenerateExpectedTargetsCode(std::ostream& os,
                                           const std::string& expectedTargets);

  // Collect properties with detailed information about targets beyond
  // their location on disk.
  void SetImportDetailProperties(const std::string& config,
                                 std::string const& suffix,
                                 cmGeneratorTarget* target,
                                 ImportPropertyMap& properties,
                                 std::vector<std::string>& missingTargets);

  template <typename T>
  void SetImportLinkProperty(std::string const& suffix,
                             cmGeneratorTarget* target,
                             const std::string& propName,
                             std::vector<T> const& entries,
                             ImportPropertyMap& properties,
                             std::vector<std::string>& missingTargets);

  /** Each subclass knows how to generate its kind of export file.  */
  virtual bool GenerateMainFile(std::ostream& os) = 0;

  /** Each subclass knows where the target files are located.  */
  virtual void GenerateImportTargetsConfig(
    std::ostream& os, const std::string& config, std::string const& suffix,
    std::vector<std::string>& missingTargets) = 0;

  /** Each subclass knows how to deal with a target that is  missing from an
   *  export set.  */
  virtual void HandleMissingTarget(std::string& link_libs,
                                   std::vector<std::string>& missingTargets,
                                   cmGeneratorTarget* depender,
                                   cmGeneratorTarget* dependee) = 0;
  void PopulateInterfaceProperty(const std::string&, cmGeneratorTarget* target,
                                 cmGeneratorExpression::PreprocessContext,
                                 ImportPropertyMap& properties,
                                 std::vector<std::string>& missingTargets);
  bool PopulateInterfaceLinkLibrariesProperty(
    cmGeneratorTarget* target, cmGeneratorExpression::PreprocessContext,
    ImportPropertyMap& properties, std::vector<std::string>& missingTargets);
  void PopulateInterfaceProperty(const std::string& propName,
                                 cmGeneratorTarget* target,
                                 ImportPropertyMap& properties);
  void PopulateCompatibleInterfaceProperties(cmGeneratorTarget* target,
                                             ImportPropertyMap& properties);
  virtual void GenerateInterfaceProperties(
    cmGeneratorTarget const* target, std::ostream& os,
    const ImportPropertyMap& properties);
  void PopulateIncludeDirectoriesInterface(
    cmTargetExport* target,
    cmGeneratorExpression::PreprocessContext preprocessRule,
    ImportPropertyMap& properties, std::vector<std::string>& missingTargets);
  void PopulateSourcesInterface(
    cmTargetExport* target,
    cmGeneratorExpression::PreprocessContext preprocessRule,
    ImportPropertyMap& properties, std::vector<std::string>& missingTargets);
  void PopulateLinkDirectoriesInterface(
    cmTargetExport* target,
    cmGeneratorExpression::PreprocessContext preprocessRule,
    ImportPropertyMap& properties, std::vector<std::string>& missingTargets);
  void PopulateLinkDependsInterface(
    cmTargetExport* target,
    cmGeneratorExpression::PreprocessContext preprocessRule,
    ImportPropertyMap& properties, std::vector<std::string>& missingTargets);

  void SetImportLinkInterface(
    const std::string& config, std::string const& suffix,
    cmGeneratorExpression::PreprocessContext preprocessRule,
    cmGeneratorTarget* target, ImportPropertyMap& properties,
    std::vector<std::string>& missingTargets);

  enum FreeTargetsReplace
  {
    ReplaceFreeTargets,
    NoReplaceFreeTargets
  };

  void ResolveTargetsInGeneratorExpressions(
    std::string& input, cmGeneratorTarget* target,
    std::vector<std::string>& missingTargets,
    FreeTargetsReplace replace = NoReplaceFreeTargets);

  virtual void GenerateRequiredCMakeVersion(std::ostream& os,
                                            const char* versionString);

  bool PopulateExportProperties(cmGeneratorTarget* gte,
                                ImportPropertyMap& properties,
                                std::string& errorMessage);

  // The namespace in which the exports are placed in the generated file.
  std::string Namespace;

  bool ExportOld;

  // The set of configurations to export.
  std::vector<std::string> Configurations;

  // The file to generate.
  std::string MainImportFile;
  std::string FileDir;
  std::string FileBase;
  std::string FileExt;
  bool AppendMode;

  // The set of targets included in the export.
  std::set<cmGeneratorTarget*> ExportedTargets;

private:
  void PopulateInterfaceProperty(const std::string&, const std::string&,
                                 cmGeneratorTarget* target,
                                 cmGeneratorExpression::PreprocessContext,
                                 ImportPropertyMap& properties,
                                 std::vector<std::string>& missingTargets);

  bool AddTargetNamespace(std::string& input, cmGeneratorTarget* target,
                          std::vector<std::string>& missingTargets);

  void ResolveTargetsInGeneratorExpression(
    std::string& input, cmGeneratorTarget* target,
    std::vector<std::string>& missingTargets);

  virtual void ReplaceInstallPrefix(std::string& input);

  virtual std::string InstallNameDir(cmGeneratorTarget* target,
                                     const std::string& config) = 0;
};

#endif