summaryrefslogtreecommitdiffstats
path: root/Source/cmLocalNinjaGenerator.cxx
blob: d902f4ef7a537d6ae078a4ed37793ba8c7225893 (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
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
/*============================================================================
  CMake - Cross Platform Makefile Generator
  Copyright 2011 Peter Collingbourne <peter@pcc.me.uk>
  Copyright 2011 Nicolas Despres <nicolas.despres@gmail.com>

  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.
============================================================================*/
#include "cmLocalNinjaGenerator.h"
#include "cmCustomCommandGenerator.h"
#include "cmMakefile.h"
#include "cmGlobalNinjaGenerator.h"
#include "cmNinjaTargetGenerator.h"
#include "cmGeneratedFileStream.h"
#include "cmSourceFile.h"
#include "cmComputeLinkInformation.h"
#include "cmake.h"

#include <assert.h>

cmLocalNinjaGenerator::cmLocalNinjaGenerator()
  : cmLocalGenerator()
  , ConfigName("")
  , HomeRelativeOutputPath("")
{
  this->IsMakefileGenerator = true;
#ifdef _WIN32
  this->WindowsShell = true;
#endif
  this->TargetImplib = "$TARGET_IMPLIB";
}

//----------------------------------------------------------------------------
// Virtual public methods.

cmLocalNinjaGenerator::~cmLocalNinjaGenerator()
{
}

void cmLocalNinjaGenerator::Generate()
{
  this->SetConfigName();

  this->WriteProcessedMakefile(this->GetBuildFileStream());
#ifdef NINJA_GEN_VERBOSE_FILES
  this->WriteProcessedMakefile(this->GetRulesFileStream());
#endif

  this->WriteBuildFileTop();

  cmTargets& targets = this->GetMakefile()->GetTargets();
  for(cmTargets::iterator t = targets.begin(); t != targets.end(); ++t)
    {
    cmNinjaTargetGenerator* tg = cmNinjaTargetGenerator::New(&t->second);
    if(tg)
      {
      tg->Generate();
      // Add the target to "all" if required.
      if (!this->GetGlobalNinjaGenerator()->IsExcluded(
            this->GetGlobalNinjaGenerator()->GetLocalGenerators()[0],
            t->second))
        this->GetGlobalNinjaGenerator()->AddDependencyToAll(&t->second);
      delete tg;
      }
    }

  this->WriteCustomCommandBuildStatements();
}

// Implemented in:
//   cmLocalUnixMakefileGenerator3.
// Used in:
//   Source/cmMakefile.cxx
//   Source/cmGlobalGenerator.cxx
void cmLocalNinjaGenerator::Configure()
{
  // Compute the path to use when referencing the current output
  // directory from the top output directory.
  this->HomeRelativeOutputPath =
    this->Convert(this->Makefile->GetStartOutputDirectory(), HOME_OUTPUT);
  if(this->HomeRelativeOutputPath == ".")
    {
    this->HomeRelativeOutputPath = "";
    }
  this->cmLocalGenerator::Configure();

}

// TODO: Picked up from cmLocalUnixMakefileGenerator3.  Refactor it.
std::string cmLocalNinjaGenerator
::GetTargetDirectory(cmTarget const& target) const
{
  std::string dir = cmake::GetCMakeFilesDirectoryPostSlash();
  dir += target.GetName();
#if defined(__VMS)
  dir += "_dir";
#else
  dir += ".dir";
#endif
  return dir;
}

//----------------------------------------------------------------------------
// Non-virtual public methods.

const cmGlobalNinjaGenerator*
cmLocalNinjaGenerator::GetGlobalNinjaGenerator() const
{
  return
    static_cast<const cmGlobalNinjaGenerator*>(this->GetGlobalGenerator());
}

cmGlobalNinjaGenerator* cmLocalNinjaGenerator::GetGlobalNinjaGenerator()
{
  return static_cast<cmGlobalNinjaGenerator*>(this->GetGlobalGenerator());
}

//----------------------------------------------------------------------------
// Virtual protected methods.

std::string
cmLocalNinjaGenerator::ConvertToLinkReference(std::string const& lib)
{
  return this->Convert(lib.c_str(), HOME_OUTPUT, SHELL);
}

std::string
cmLocalNinjaGenerator::ConvertToIncludeReference(std::string const& path)
{
  return this->Convert(path.c_str(), HOME_OUTPUT, SHELL);
}

//----------------------------------------------------------------------------
// Private methods.

cmGeneratedFileStream& cmLocalNinjaGenerator::GetBuildFileStream() const
{
  return *this->GetGlobalNinjaGenerator()->GetBuildFileStream();
}

cmGeneratedFileStream& cmLocalNinjaGenerator::GetRulesFileStream() const
{
  return *this->GetGlobalNinjaGenerator()->GetRulesFileStream();
}

const cmake* cmLocalNinjaGenerator::GetCMakeInstance() const
{
  return this->GetGlobalGenerator()->GetCMakeInstance();
}

cmake* cmLocalNinjaGenerator::GetCMakeInstance()
{
  return this->GetGlobalGenerator()->GetCMakeInstance();
}

bool cmLocalNinjaGenerator::isRootMakefile() const
{
  return (strcmp(this->Makefile->GetCurrentDirectory(),
                 this->GetCMakeInstance()->GetHomeDirectory()) == 0);
}

void cmLocalNinjaGenerator::WriteBuildFileTop()
{
  // We do that only once for the top CMakeLists.txt file.
  if(!this->isRootMakefile())
    return;

  // For the build file.
  this->WriteProjectHeader(this->GetBuildFileStream());
  this->WriteNinjaFilesInclusion(this->GetBuildFileStream());

  // For the rule file.
  this->WriteProjectHeader(this->GetRulesFileStream());
}

void cmLocalNinjaGenerator::WriteProjectHeader(std::ostream& os)
{
  cmGlobalNinjaGenerator::WriteDivider(os);
  os
    << "# Project: " << this->GetMakefile()->GetProjectName() << std::endl
    << "# Configuration: " << this->ConfigName << std::endl
    ;
  cmGlobalNinjaGenerator::WriteDivider(os);
}

void cmLocalNinjaGenerator::WriteNinjaFilesInclusion(std::ostream& os)
{
  cmGlobalNinjaGenerator::WriteDivider(os);
  os
    << "# Include auxiliary files.\n"
    << "\n"
    ;
  cmGlobalNinjaGenerator::WriteInclude(os,
                                      cmGlobalNinjaGenerator::NINJA_RULES_FILE,
                                       "Include rules file.");
  os << "\n";
}

void cmLocalNinjaGenerator::SetConfigName()
{
  // Store the configuration name that will be generated.
  if(const char* config =
       this->GetMakefile()->GetDefinition("CMAKE_BUILD_TYPE"))
    {
    // Use the build type given by the user.
    this->ConfigName = config;
    }
  else
    {
    // No configuration type given.
    this->ConfigName = "";
    }
}

void cmLocalNinjaGenerator::WriteProcessedMakefile(std::ostream& os)
{
  cmGlobalNinjaGenerator::WriteDivider(os);
  os
    << "# Write statements declared in CMakeLists.txt:" << std::endl
    << "# " << this->Makefile->GetCurrentListFile() << std::endl
    ;
  if(this->isRootMakefile())
    os << "# Which is the root file." << std::endl;
  cmGlobalNinjaGenerator::WriteDivider(os);
  os << std::endl;
}

std::string cmLocalNinjaGenerator::ConvertToNinjaPath(const char *path)
{
  std::string convPath = this->Convert(path, cmLocalGenerator::HOME_OUTPUT);
#ifdef _WIN32
  cmSystemTools::ReplaceString(convPath, "/", "\\");
#endif
  return convPath;
}

void
cmLocalNinjaGenerator
::AppendTargetOutputs(cmTarget* target, cmNinjaDeps& outputs)
{
  this->GetGlobalNinjaGenerator()->AppendTargetOutputs(target, outputs);
}

void
cmLocalNinjaGenerator
::AppendTargetDepends(cmTarget* target, cmNinjaDeps& outputs)
{
  this->GetGlobalNinjaGenerator()->AppendTargetDepends(target, outputs);
}

void cmLocalNinjaGenerator::AppendCustomCommandDeps(const cmCustomCommand *cc,
                                                    cmNinjaDeps &ninjaDeps)
{
  const std::vector<std::string> &deps = cc->GetDepends();
  for (std::vector<std::string>::const_iterator i = deps.begin();
       i != deps.end(); ++i) {
    std::string dep;
    if (this->GetRealDependency(i->c_str(), this->GetConfigName(), dep))
      ninjaDeps.push_back(ConvertToNinjaPath(dep.c_str()));
  }
}

std::string cmLocalNinjaGenerator::BuildCommandLine(
                                    const std::vector<std::string> &cmdLines)
{
  // If we have no commands but we need to build a command anyway, use ":".
  // This happens when building a POST_BUILD value for link targets that
  // don't use POST_BUILD.
  if (cmdLines.empty())
#ifdef _WIN32
    return "cd .";
#else
    return ":";
#endif

  cmOStringStream cmd;
  for (std::vector<std::string>::const_iterator li = cmdLines.begin();
       li != cmdLines.end(); ++li) {
    if (li != cmdLines.begin()) {
      cmd << " && ";
#ifdef _WIN32
    } else if (cmdLines.size() > 1) {
      cmd << "cmd.exe /c ";
#endif
    }
    cmd << *li;
  }
  return cmd.str();
}

void cmLocalNinjaGenerator::AppendCustomCommandLines(const cmCustomCommand *cc,
                                            std::vector<std::string> &cmdLines)
{
  cmCustomCommandGenerator ccg(*cc, this->GetConfigName(), this->Makefile);
  if (ccg.GetNumberOfCommands() > 0) {
    const char* wd = cc->GetWorkingDirectory();
    if (!wd)
      wd = this->GetMakefile()->GetStartOutputDirectory();

    cmOStringStream cdCmd;
    cdCmd << "cd " << this->ConvertToOutputFormat(wd, SHELL);
    cmdLines.push_back(cdCmd.str());
  }
  for (unsigned i = 0; i != ccg.GetNumberOfCommands(); ++i) {
    cmdLines.push_back(this->ConvertToOutputFormat(ccg.GetCommand(i).c_str(),
                                                   SHELL));
    std::string& cmd = cmdLines.back();
    ccg.AppendArguments(i, cmd);
  }
}

void
cmLocalNinjaGenerator::WriteCustomCommandBuildStatement(
  cmCustomCommand const *cc, const cmNinjaDeps& orderOnlyDeps)
{
  if (this->GetGlobalNinjaGenerator()->SeenCustomCommand(cc))
    return;

  const std::vector<std::string> &outputs = cc->GetOutputs();
  cmNinjaDeps ninjaOutputs(outputs.size()), ninjaDeps;

  std::transform(outputs.begin(), outputs.end(),
                 ninjaOutputs.begin(), MapToNinjaPath());
  this->AppendCustomCommandDeps(cc, ninjaDeps);

  for (cmNinjaDeps::iterator i = ninjaOutputs.begin(); i != ninjaOutputs.end();
       ++i)
    this->GetGlobalNinjaGenerator()->SeenCustomCommandOutput(*i);

  std::vector<std::string> cmdLines;
  this->AppendCustomCommandLines(cc, cmdLines);

  if (cmdLines.empty()) {
    cmGlobalNinjaGenerator::WritePhonyBuild(this->GetBuildFileStream(),
                                            "Phony custom command for " +
                                              ninjaOutputs[0],
                                            ninjaOutputs,
                                            ninjaDeps,
                                            cmNinjaDeps(),
                                            orderOnlyDeps,
                                            cmNinjaVars());
  } else {
    this->GetGlobalNinjaGenerator()->WriteCustomCommandBuild(
      this->BuildCommandLine(cmdLines),
      this->ConstructComment(*cc),
      "Custom command for " + ninjaOutputs[0],
      ninjaOutputs,
      ninjaDeps,
      orderOnlyDeps);
  }
}

void cmLocalNinjaGenerator::AddCustomCommandTarget(cmCustomCommand const* cc,
                                                   cmTarget* target)
{
  this->CustomCommandTargets[cc].insert(target);
}

void cmLocalNinjaGenerator::WriteCustomCommandBuildStatements()
{
  for (CustomCommandTargetMap::iterator i = this->CustomCommandTargets.begin();
       i != this->CustomCommandTargets.end(); ++i) {
    // A custom command may appear on multiple targets.  However, some build
    // systems exist where the target dependencies on some of the targets are
    // overspecified, leading to a dependency cycle.  If we assume all target
    // dependencies are a superset of the true target dependencies for this
    // custom command, we can take the set intersection of all target
    // dependencies to obtain a correct dependency list.
    //
    // FIXME: This won't work in certain obscure scenarios involving indirect
    // dependencies.
    std::set<cmTarget*>::iterator j = i->second.begin();
    assert(j != i->second.end());
    std::vector<std::string> ccTargetDeps;
    this->AppendTargetDepends(*j, ccTargetDeps);
    std::sort(ccTargetDeps.begin(), ccTargetDeps.end());
    ++j;

    for (; j != i->second.end(); ++j) {
      std::vector<std::string> jDeps, depsIntersection;
      this->AppendTargetDepends(*j, jDeps);
      std::sort(jDeps.begin(), jDeps.end());
      std::set_intersection(ccTargetDeps.begin(), ccTargetDeps.end(),
                            jDeps.begin(), jDeps.end(),
                            std::back_inserter(depsIntersection));
      ccTargetDeps = depsIntersection;
    }

    this->WriteCustomCommandBuildStatement(i->first, ccTargetDeps);
  }
}