clang-tools  3.8.0
ModularizeUtilities.cpp
Go to the documentation of this file.
1 //===--- extra/modularize/ModularizeUtilities.cpp -------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file implements a class for loading and validating a module map or
11 // header list by checking that all headers in the corresponding directories
12 // are accounted for.
13 //
14 //===----------------------------------------------------------------------===//
15 
16 #include "clang/Basic/SourceManager.h"
17 #include "clang/Driver/Options.h"
18 #include "clang/Frontend/CompilerInstance.h"
19 #include "clang/Frontend/FrontendActions.h"
20 #include "CoverageChecker.h"
21 #include "llvm/ADT/SmallString.h"
22 #include "llvm/Support/FileUtilities.h"
23 #include "llvm/Support/MemoryBuffer.h"
24 #include "llvm/Support/Path.h"
25 #include "llvm/Support/raw_ostream.h"
26 #include "ModularizeUtilities.h"
27 
28 using namespace clang;
29 using namespace llvm;
30 using namespace Modularize;
31 
32 namespace {
33 // Subclass TargetOptions so we can construct it inline with
34 // the minimal option, the triple.
35 class ModuleMapTargetOptions : public clang::TargetOptions {
36 public:
37  ModuleMapTargetOptions() { Triple = llvm::sys::getDefaultTargetTriple(); }
38 };
39 } // namespace
40 
41 // ModularizeUtilities class implementation.
42 
43 // Constructor.
44 ModularizeUtilities::ModularizeUtilities(std::vector<std::string> &InputPaths,
45  llvm::StringRef Prefix,
46  llvm::StringRef ProblemFilesListPath)
47  : InputFilePaths(InputPaths),
48  HeaderPrefix(Prefix),
49  ProblemFilesPath(ProblemFilesListPath),
50  HasModuleMap(false),
51  MissingHeaderCount(0),
52  // Init clang stuff needed for loading the module map and preprocessing.
53  LangOpts(new LangOptions()), DiagIDs(new DiagnosticIDs()),
54  DiagnosticOpts(new DiagnosticOptions()),
55  DC(llvm::errs(), DiagnosticOpts.get()),
56  Diagnostics(
57  new DiagnosticsEngine(DiagIDs, DiagnosticOpts.get(), &DC, false)),
58  TargetOpts(new ModuleMapTargetOptions()),
59  Target(TargetInfo::CreateTargetInfo(*Diagnostics, TargetOpts)),
60  FileMgr(new FileManager(FileSystemOpts)),
61  SourceMgr(new SourceManager(*Diagnostics, *FileMgr, false)),
62  HeaderSearchOpts(new HeaderSearchOptions()),
63  HeaderInfo(new HeaderSearch(HeaderSearchOpts, *SourceMgr, *Diagnostics,
64  *LangOpts, Target.get())) {
65 }
66 
67 // Create instance of ModularizeUtilities, to simplify setting up
68 // subordinate objects.
70  std::vector<std::string> &InputPaths, llvm::StringRef Prefix,
71  llvm::StringRef ProblemFilesListPath) {
72 
73  return new ModularizeUtilities(InputPaths, Prefix, ProblemFilesListPath);
74 }
75 
76 // Load all header lists and dependencies.
78  typedef std::vector<std::string>::iterator Iter;
79  // For each input file.
80  for (Iter I = InputFilePaths.begin(), E = InputFilePaths.end(); I != E; ++I) {
81  llvm::StringRef InputPath = *I;
82  // If it's a module map.
83  if (InputPath.endswith(".modulemap")) {
84  // Load the module map.
85  if (std::error_code EC = loadModuleMap(InputPath))
86  return EC;
87  }
88  else {
89  // Else we assume it's a header list and load it.
90  if (std::error_code EC = loadSingleHeaderListsAndDependencies(InputPath)) {
91  errs() << "modularize: error: Unable to get header list '" << InputPath
92  << "': " << EC.message() << '\n';
93  return EC;
94  }
95  }
96  }
97  // If we have a problem files list.
98  if (ProblemFilesPath.size() != 0) {
99  // Load problem files list.
100  if (std::error_code EC = loadProblemHeaderList(ProblemFilesPath)) {
101  errs() << "modularize: error: Unable to get problem header list '" << ProblemFilesPath
102  << "': " << EC.message() << '\n';
103  return EC;
104  }
105  }
106  return std::error_code();
107 }
108 
109 // Do coverage checks.
110 // For each loaded module map, do header coverage check.
111 // Starting from the directory of the module.map file,
112 // Find all header files, optionally looking only at files
113 // covered by the include path options, and compare against
114 // the headers referenced by the module.map file.
115 // Display warnings for unaccounted-for header files.
116 // Returns 0 if there were no errors or warnings, 1 if there
117 // were warnings, 2 if any other problem, such as a bad
118 // module map path argument was specified.
120  std::vector<std::string> &IncludePaths,
121  llvm::ArrayRef<std::string> CommandLine) {
122  int ModuleMapCount = ModuleMaps.size();
123  int ModuleMapIndex;
124  std::error_code EC;
125  for (ModuleMapIndex = 0; ModuleMapIndex < ModuleMapCount; ++ModuleMapIndex) {
126  std::unique_ptr<clang::ModuleMap> &ModMap = ModuleMaps[ModuleMapIndex];
128  InputFilePaths[ModuleMapIndex], IncludePaths, CommandLine, ModMap.get());
129  std::error_code LocalEC = Checker->doChecks();
130  if (LocalEC.value() > 0)
131  EC = LocalEC;
132  }
133  return EC;
134 }
135 
136 // Load single header list and dependencies.
138  llvm::StringRef InputPath) {
139 
140  // By default, use the path component of the list file name.
141  SmallString<256> HeaderDirectory(InputPath);
142  llvm::sys::path::remove_filename(HeaderDirectory);
143  SmallString<256> CurrentDirectory;
144  llvm::sys::fs::current_path(CurrentDirectory);
145 
146  // Get the prefix if we have one.
147  if (HeaderPrefix.size() != 0)
148  HeaderDirectory = HeaderPrefix;
149 
150  // Read the header list file into a buffer.
151  ErrorOr<std::unique_ptr<MemoryBuffer>> listBuffer =
152  MemoryBuffer::getFile(InputPath);
153  if (std::error_code EC = listBuffer.getError())
154  return EC;
155 
156  // Parse the header list into strings.
157  SmallVector<StringRef, 32> Strings;
158  listBuffer.get()->getBuffer().split(Strings, "\n", -1, false);
159 
160  // Collect the header file names from the string list.
161  for (SmallVectorImpl<StringRef>::iterator I = Strings.begin(),
162  E = Strings.end();
163  I != E; ++I) {
164  StringRef Line = I->trim();
165  // Ignore comments and empty lines.
166  if (Line.empty() || (Line[0] == '#'))
167  continue;
168  std::pair<StringRef, StringRef> TargetAndDependents = Line.split(':');
169  SmallString<256> HeaderFileName;
170  // Prepend header file name prefix if it's not absolute.
171  if (llvm::sys::path::is_absolute(TargetAndDependents.first))
172  llvm::sys::path::native(TargetAndDependents.first, HeaderFileName);
173  else {
174  if (HeaderDirectory.size() != 0)
175  HeaderFileName = HeaderDirectory;
176  else
177  HeaderFileName = CurrentDirectory;
178  llvm::sys::path::append(HeaderFileName, TargetAndDependents.first);
179  llvm::sys::path::native(HeaderFileName);
180  }
181  // Handle optional dependencies.
182  DependentsVector Dependents;
183  SmallVector<StringRef, 4> DependentsList;
184  TargetAndDependents.second.split(DependentsList, " ", -1, false);
185  int Count = DependentsList.size();
186  for (int Index = 0; Index < Count; ++Index) {
187  SmallString<256> Dependent;
188  if (llvm::sys::path::is_absolute(DependentsList[Index]))
189  Dependent = DependentsList[Index];
190  else {
191  if (HeaderDirectory.size() != 0)
192  Dependent = HeaderDirectory;
193  else
194  Dependent = CurrentDirectory;
195  llvm::sys::path::append(Dependent, DependentsList[Index]);
196  }
197  llvm::sys::path::native(Dependent);
198  Dependents.push_back(getCanonicalPath(Dependent.str()));
199  }
200  // Get canonical form.
201  HeaderFileName = getCanonicalPath(HeaderFileName);
202  // Save the resulting header file path and dependencies.
203  HeaderFileNames.push_back(HeaderFileName.str());
204  Dependencies[HeaderFileName.str()] = Dependents;
205  }
206  return std::error_code();
207 }
208 
209 // Load problem header list.
211  llvm::StringRef InputPath) {
212 
213  // By default, use the path component of the list file name.
214  SmallString<256> HeaderDirectory(InputPath);
215  llvm::sys::path::remove_filename(HeaderDirectory);
216  SmallString<256> CurrentDirectory;
217  llvm::sys::fs::current_path(CurrentDirectory);
218 
219  // Get the prefix if we have one.
220  if (HeaderPrefix.size() != 0)
221  HeaderDirectory = HeaderPrefix;
222 
223  // Read the header list file into a buffer.
224  ErrorOr<std::unique_ptr<MemoryBuffer>> listBuffer =
225  MemoryBuffer::getFile(InputPath);
226  if (std::error_code EC = listBuffer.getError())
227  return EC;
228 
229  // Parse the header list into strings.
230  SmallVector<StringRef, 32> Strings;
231  listBuffer.get()->getBuffer().split(Strings, "\n", -1, false);
232 
233  // Collect the header file names from the string list.
234  for (SmallVectorImpl<StringRef>::iterator I = Strings.begin(),
235  E = Strings.end();
236  I != E; ++I) {
237  StringRef Line = I->trim();
238  // Ignore comments and empty lines.
239  if (Line.empty() || (Line[0] == '#'))
240  continue;
241  SmallString<256> HeaderFileName;
242  // Prepend header file name prefix if it's not absolute.
243  if (llvm::sys::path::is_absolute(Line))
244  llvm::sys::path::native(Line, HeaderFileName);
245  else {
246  if (HeaderDirectory.size() != 0)
247  HeaderFileName = HeaderDirectory;
248  else
249  HeaderFileName = CurrentDirectory;
250  llvm::sys::path::append(HeaderFileName, Line);
251  llvm::sys::path::native(HeaderFileName);
252  }
253  // Get canonical form.
254  HeaderFileName = getCanonicalPath(HeaderFileName);
255  // Save the resulting header file path.
256  ProblemFileNames.push_back(HeaderFileName.str());
257  }
258  return std::error_code();
259 }
260 
261 // Load single module map and extract header file list.
263  llvm::StringRef InputPath) {
264  // Get file entry for module.modulemap file.
265  const FileEntry *ModuleMapEntry =
266  SourceMgr->getFileManager().getFile(InputPath);
267 
268  // return error if not found.
269  if (!ModuleMapEntry) {
270  llvm::errs() << "error: File \"" << InputPath << "\" not found.\n";
271  return std::error_code(1, std::generic_category());
272  }
273 
274  // Because the module map parser uses a ForwardingDiagnosticConsumer,
275  // which doesn't forward the BeginSourceFile call, we do it explicitly here.
276  DC.BeginSourceFile(*LangOpts, nullptr);
277 
278  // Figure out the home directory for the module map file.
279  const DirectoryEntry *Dir = ModuleMapEntry->getDir();
280  StringRef DirName(Dir->getName());
281  if (llvm::sys::path::filename(DirName) == "Modules") {
282  DirName = llvm::sys::path::parent_path(DirName);
283  if (DirName.endswith(".framework"))
284  Dir = FileMgr->getDirectory(DirName);
285  // FIXME: This assert can fail if there's a race between the above check
286  // and the removal of the directory.
287  assert(Dir && "parent must exist");
288  }
289 
290  std::unique_ptr<ModuleMap> ModMap;
291  ModMap.reset(new ModuleMap(*SourceMgr, *Diagnostics, *LangOpts,
292  Target.get(), *HeaderInfo));
293 
294  // Parse module.modulemap file into module map.
295  if (ModMap->parseModuleMapFile(ModuleMapEntry, false, Dir)) {
296  return std::error_code(1, std::generic_category());
297  }
298 
299  // Do matching end call.
300  DC.EndSourceFile();
301 
302  // Reset missing header count.
303  MissingHeaderCount = 0;
304 
305  if (!collectModuleMapHeaders(ModMap.get()))
306  return std::error_code(1, std::generic_category());
307 
308  // Save module map.
309  ModuleMaps.push_back(std::move(ModMap));
310 
311  // Indicate we are using module maps.
312  HasModuleMap = true;
313 
314  // Return code of 1 for missing headers.
315  if (MissingHeaderCount)
316  return std::error_code(1, std::generic_category());
317 
318  return std::error_code();
319 }
320 
321 // Collect module map headers.
322 // Walks the modules and collects referenced headers into
323 // HeaderFileNames.
324 bool ModularizeUtilities::collectModuleMapHeaders(clang::ModuleMap *ModMap) {
325  for (ModuleMap::module_iterator I = ModMap->module_begin(),
326  E = ModMap->module_end();
327  I != E; ++I) {
328  if (!collectModuleHeaders(*I->second))
329  return false;
330  }
331  return true;
332 }
333 
334 // Collect referenced headers from one module.
335 // Collects the headers referenced in the given module into
336 // HeaderFileNames.
338 
339  // Ignore explicit modules because they often have dependencies
340  // we can't know.
341  if (Mod.IsExplicit)
342  return true;
343 
344  // Treat headers in umbrella directory as dependencies.
345  DependentsVector UmbrellaDependents;
346 
347  // Recursively do submodules.
348  for (Module::submodule_const_iterator MI = Mod.submodule_begin(),
349  MIEnd = Mod.submodule_end();
350  MI != MIEnd; ++MI)
351  collectModuleHeaders(**MI);
352 
353  if (const FileEntry *UmbrellaHeader = Mod.getUmbrellaHeader().Entry) {
354  std::string HeaderPath = getCanonicalPath(UmbrellaHeader->getName());
355  // Collect umbrella header.
356  HeaderFileNames.push_back(HeaderPath);
357 
358  // FUTURE: When needed, umbrella header header collection goes here.
359  }
360  else if (const DirectoryEntry *UmbrellaDir = Mod.getUmbrellaDir().Entry) {
361  // If there normal headers, assume these are umbrellas and skip collection.
362  if (Mod.Headers->size() == 0) {
363  // Collect headers in umbrella directory.
364  if (!collectUmbrellaHeaders(UmbrellaDir->getName(), UmbrellaDependents))
365  return false;
366  }
367  }
368 
369  // We ignore HK_Private, HK_Textual, HK_PrivateTextual, and HK_Excluded,
370  // assuming they are marked as such either because of unsuitability for
371  // modules or because they are meant to be included by another header,
372  // and thus should be ignored by modularize.
373 
374  int NormalHeaderCount = Mod.Headers[clang::Module::HK_Normal].size();
375 
376  for (int Index = 0; Index < NormalHeaderCount; ++Index) {
377  DependentsVector NormalDependents;
378  // Collect normal header.
379  const clang::Module::Header &Header(
380  Mod.Headers[clang::Module::HK_Normal][Index]);
381  std::string HeaderPath = getCanonicalPath(Header.Entry->getName());
382  HeaderFileNames.push_back(HeaderPath);
383  }
384 
385  int MissingCountThisModule = Mod.MissingHeaders.size();
386 
387  for (int Index = 0; Index < MissingCountThisModule; ++Index) {
388  std::string MissingFile = Mod.MissingHeaders[Index].FileName;
389  SourceLocation Loc = Mod.MissingHeaders[Index].FileNameLoc;
390  errs() << Loc.printToString(*SourceMgr)
391  << ": error : Header not found: " << MissingFile << "\n";
392  }
393 
394  MissingHeaderCount += MissingCountThisModule;
395 
396  return true;
397 }
398 
399 // Collect headers from an umbrella directory.
400 bool ModularizeUtilities::collectUmbrellaHeaders(StringRef UmbrellaDirName,
401  DependentsVector &Dependents) {
402  // Initialize directory name.
403  SmallString<256> Directory(UmbrellaDirName);
404  // Walk the directory.
405  std::error_code EC;
406  llvm::sys::fs::file_status Status;
407  for (llvm::sys::fs::directory_iterator I(Directory.str(), EC), E; I != E;
408  I.increment(EC)) {
409  if (EC)
410  return false;
411  std::string File(I->path());
412  I->status(Status);
413  llvm::sys::fs::file_type Type = Status.type();
414  // If the file is a directory, ignore the name and recurse.
415  if (Type == llvm::sys::fs::file_type::directory_file) {
416  if (!collectUmbrellaHeaders(File, Dependents))
417  return false;
418  continue;
419  }
420  // If the file does not have a common header extension, ignore it.
421  if (!isHeader(File))
422  continue;
423  // Save header name.
424  std::string HeaderPath = getCanonicalPath(File);
425  Dependents.push_back(HeaderPath);
426  }
427  return true;
428 }
429 
430 // Replace .. embedded in path for purposes of having
431 // a canonical path.
432 static std::string replaceDotDot(StringRef Path) {
433  SmallString<128> Buffer;
434  llvm::sys::path::const_iterator B = llvm::sys::path::begin(Path),
435  E = llvm::sys::path::end(Path);
436  while (B != E) {
437  if (B->compare(".") == 0) {
438  }
439  else if (B->compare("..") == 0)
440  llvm::sys::path::remove_filename(Buffer);
441  else
442  llvm::sys::path::append(Buffer, *B);
443  ++B;
444  }
445  if (Path.endswith("/") || Path.endswith("\\"))
446  Buffer.append(1, Path.back());
447  return Buffer.c_str();
448 }
449 
450 // Convert header path to canonical form.
451 // The canonical form is basically just use forward slashes, and remove "./".
452 // \param FilePath The file path, relative to the module map directory.
453 // \returns The file path in canonical form.
454 std::string ModularizeUtilities::getCanonicalPath(StringRef FilePath) {
455  std::string Tmp(replaceDotDot(FilePath));
456  std::replace(Tmp.begin(), Tmp.end(), '\\', '/');
457  StringRef Tmp2(Tmp);
458  if (Tmp2.startswith("./"))
459  Tmp = Tmp2.substr(2);
460  return Tmp;
461 }
462 
463 // Check for header file extension.
464 // If the file extension is .h, .inc, or missing, it's
465 // assumed to be a header.
466 // \param FileName The file name. Must not be a directory.
467 // \returns true if it has a header extension or no extension.
468 bool ModularizeUtilities::isHeader(StringRef FileName) {
469  StringRef Extension = llvm::sys::path::extension(FileName);
470  if (Extension.size() == 0)
471  return true;
472  if (Extension.equals_lower(".h"))
473  return true;
474  if (Extension.equals_lower(".inc"))
475  return true;
476  return false;
477 }
478 
479 // Get directory path component from file path.
480 // \returns the component of the given path, which will be
481 // relative if the given path is relative, absolute if the
482 // given path is absolute, or "." if the path has no leading
483 // path component.
485  SmallString<256> Directory(Path);
486  sys::path::remove_filename(Directory);
487  if (Directory.size() == 0)
488  return ".";
489  return Directory.str();
490 }
491 
492 // Add unique problem file.
493 // Also standardizes the path.
494 void ModularizeUtilities::addUniqueProblemFile(std::string FilePath) {
495  FilePath = getCanonicalPath(FilePath);
496  // Don't add if already present.
497  for(auto &TestFilePath : ProblemFileNames) {
498  if (TestFilePath == FilePath)
499  return;
500  }
501  ProblemFileNames.push_back(FilePath);
502 }
503 
504 // Add file with no compile errors.
505 // Also standardizes the path.
507  FilePath = getCanonicalPath(FilePath);
508  GoodFileNames.push_back(FilePath);
509 }
510 
511 // List problem files.
513  errs() << "\nThese are the files with possible errors:\n\n";
514  for (auto &ProblemFile : ProblemFileNames) {
515  errs() << ProblemFile << "\n";
516  }
517 }
518 
519 // List files with no problems.
521  errs() << "\nThese are the files with no detected errors:\n\n";
522  for (auto &GoodFile : HeaderFileNames) {
523  bool Good = true;
524  for (auto &ProblemFile : ProblemFileNames) {
525  if (ProblemFile == GoodFile) {
526  Good = false;
527  break;
528  }
529  }
530  if (Good)
531  errs() << GoodFile << "\n";
532  }
533 }
534 
535 // List files with problem files commented out.
537  errs() <<
538  "\nThese are the combined files, with problem files preceded by #:\n\n";
539  for (auto &File : HeaderFileNames) {
540  bool Good = true;
541  for (auto &ProblemFile : ProblemFileNames) {
542  if (ProblemFile == File) {
543  Good = false;
544  break;
545  }
546  }
547  errs() << (Good ? "" : "#") << File << "\n";
548  }
549 }
ModularizeUtilities(std::vector< std::string > &InputPaths, llvm::StringRef Prefix, llvm::StringRef ProblemFilesListPath)
Constructor.
SourceLocation Loc
'#' location in the include directive
void displayGoodFiles()
List files with no problems.
DependencyMap Dependencies
Map of top-level header file dependencies.
LangOptions LangOpts
Definition: ClangTidy.cpp:168
std::error_code doCoverageCheck(std::vector< std::string > &IncludePaths, llvm::ArrayRef< std::string > CommandLine)
Do coverage checks.
llvm::IntrusiveRefCntPtr< clang::DiagnosticsEngine > Diagnostics
Diagnostic engine.
static std::string getCanonicalPath(llvm::StringRef FilePath)
Convert header path to canonical form.
llvm::SmallVector< std::string, 4 > DependentsVector
Definition: Modularize.h:32
void displayCombinedFiles()
List files with problem files commented out.
std::error_code loadProblemHeaderList(llvm::StringRef InputPath)
Load problem header list.
HeaderHandle File
static std::string getDirectoryFromPath(llvm::StringRef Path)
Get directory path component from file path.
bool HasModuleMap
True if we have module maps.
static cl::opt< std::string > HeaderPrefix("prefix", cl::init(""), cl::desc("Prepend header file paths with this prefix."" If not specified,"" the files are considered to be relative to the header list file."))
std::error_code loadSingleHeaderListsAndDependencies(llvm::StringRef InputPath)
Load single header list and dependencies.
llvm::IntrusiveRefCntPtr< clang::TargetInfo > Target
Target information.
static ModularizeUtilities * createModularizeUtilities(std::vector< std::string > &InputPaths, llvm::StringRef Prefix, llvm::StringRef ProblemFilesListPath)
Create instance of ModularizeUtilities.
llvm::IntrusiveRefCntPtr< clang::FileManager > FileMgr
File system manager.
clang::TextDiagnosticPrinter DC
Diagnostic consumer.
std::unique_ptr< clang::HeaderSearch > HeaderInfo
Header search manager.
std::vector< HeaderHandle > Path
ModularizeUtilities class definition.
SourceManager SourceMgr
Definition: ClangTidy.cpp:172
std::shared_ptr< clang::LangOptions > LangOpts
Options controlling the language variant.
bool collectModuleMapHeaders(clang::ModuleMap *ModMap)
Collect module Map headers.
llvm::StringRef ProblemFilesPath
The path of problem files list file.
static cl::opt< std::string > Directory(cl::Positional, cl::Required, cl::desc("<Search Root Directory>"))
Definitions for CoverageChecker.
int MissingHeaderCount
Missing header count.
std::error_code loadModuleMap(llvm::StringRef InputPath)
Load single module map and extract header file list.
std::error_code loadAllHeaderListsAndDependencies()
Load header list and dependencies.
std::string CommandLine
Definition: Modularize.cpp:336
llvm::SmallVector< std::string, 32 > ProblemFileNames
List of header files with problems.
std::error_code doChecks()
Do checks.
llvm::SmallVector< std::string, 32 > GoodFileNames
List of header files with no problems during the first pass, that is, no compile errors.
Modularize utilities class.
llvm::SmallVector< std::string, 32 > HeaderFileNames
List of top-level header files.
llvm::IntrusiveRefCntPtr< clang::SourceManager > SourceMgr
Source manager.
static cl::list< std::string > IncludePaths("I", cl::desc("Include path for coverage check."), cl::ZeroOrMore, cl::value_desc("path"))
llvm::StringRef HeaderPrefix
The header prefix.
bool collectModuleHeaders(const clang::Module &Mod)
Collect referenced headers from one module.
static CoverageChecker * createCoverageChecker(llvm::StringRef ModuleMapPath, std::vector< std::string > &IncludePaths, llvm::ArrayRef< std::string > CommandLine, clang::ModuleMap *ModuleMap)
Create instance of CoverageChecker.
Module map checker class.
llvm::StringPool Strings
std::vector< std::unique_ptr< clang::ModuleMap > > ModuleMaps
bool collectUmbrellaHeaders(llvm::StringRef UmbrellaDirName, DependentsVector &Dependents)
Collect headers from an umbrella directory.
void addUniqueProblemFile(std::string FilePath)
Add unique problem file.
void displayProblemFiles()
List problem files.
std::vector< std::string > InputFilePaths
The input file paths.
static std::string replaceDotDot(StringRef Path)
static bool isHeader(llvm::StringRef FileName)
Check for header file extension.
void addNoCompileErrorsFile(std::string FilePath)
Add file with no compile errors.