1 //===--- DependencyFile.cpp - Generate dependency file --------------------===//
8 //===----------------------------------------------------------------------===//
12 //===----------------------------------------------------------------------===//
54     StringRef Filename =  in FileChanged()  local
55         llvm::sys::path::remove_leading_dotslash(FE->getName());  in FileChanged()
57     DepCollector.maybeAddDependency(Filename, /*FromModule*/false,  in FileChanged()
63                           StringRef FileName, bool IsAngled,  in InclusionDirective()
68       DepCollector.maybeAddDependency(FileName, /*FromModule*/false,  in InclusionDirective()
85     StringRef Filename = Entry.getName();  in moduleMapFileRead()  local
86     DepCollector.maybeAddDependency(Filename, /*FromModule*/false,  in moduleMapFileRead()
100   void visitModuleFile(StringRef Filename,  in visitModuleFile()
102     DepCollector.maybeAddDependency(Filename, /*FromModule*/true,  in visitModuleFile()
106   bool visitInputFile(StringRef Filename, bool IsSystem,  in visitInputFile()
111     DepCollector.maybeAddDependency(Filename, /*FromModule*/true, IsSystem,  in visitInputFile()
118 void DependencyCollector::maybeAddDependency(StringRef Filename, bool FromModule,  in maybeAddDependency()  argument
121   if (Seen.insert(Filename).second &&  in maybeAddDependency()
122       sawDependency(Filename, FromModule, IsSystem, IsModuleFile, IsMissing))  in maybeAddDependency()
123     Dependencies.push_back(Filename);  in maybeAddDependency()
126 static bool isSpecialFilename(StringRef Filename) {  in isSpecialFilename()  argument
127   return llvm::StringSwitch<bool>(Filename)  in isSpecialFilename()
128       .Case("<built-in>", true)  in isSpecialFilename()
133 bool DependencyCollector::sawDependency(StringRef Filename, bool FromModule,  in sawDependency()  argument
136   return !isSpecialFilename(Filename) &&  in sawDependency()
167   bool FileMatchesDepCriteria(const char *Filename,
189                           StringRef FileName, bool IsAngled,
198   void AddFilename(StringRef Filename);
223   void visitModuleFile(StringRef Filename,
225   bool visitInputFile(StringRef Filename, bool isSystem,
241   // Disable the "file not found" diagnostic if the -MG option was given.  in CreateAndAttachToPreprocessor()
258 /// FileMatchesDepCriteria - Determine whether the given Filename should be
260 bool DFGImpl::FileMatchesDepCriteria(const char *Filename,  in FileMatchesDepCriteria()  argument
262   if (isSpecialFilename(Filename))  in FileMatchesDepCriteria()
281   SourceManager &SM = PP->getSourceManager();  in FileChanged()
287   StringRef Filename = FE->getName();  in FileChanged()  local
288   if (!FileMatchesDepCriteria(Filename.data(), FileType))  in FileChanged()
291   AddFilename(llvm::sys::path::remove_leading_dotslash(Filename));  in FileChanged()
296                                  StringRef FileName,  in InclusionDirective()  argument
305       AddFilename(FileName);  in InclusionDirective()
311 void DFGImpl::AddFilename(StringRef Filename) {  in AddFilename()  argument
312   if (FilesSet.insert(Filename).second)  in AddFilename()
313     Files.push_back(Filename);  in AddFilename()
316 /// Print the filename, with escaping or quoting that accommodates the three
327 /// filename, it should be escaped as well.  (As a special case, $ is escaped
330 /// un-escapes characters in a filename but doesn't find a match, it will
334 /// characters in the original filename, but not escaping backslashes.  The
341 /// A corner case that GCC gets only partly right is when the original filename
355 /// which is the actual filename specified by the include directive.
360 /// double-quotes to avoid misinterpreting them; see
361 /// https://msdn.microsoft.com/en-us/library/dd9y37ha.aspx for NMake info,
362 /// https://msdn.microsoft.com/en-us/library/windows/desktop/aa365247(v=vs.85).aspx
363 /// for Windows file-naming info.
364 static void PrintFilename(raw_ostream &OS, StringRef Filename,  in PrintFilename()  argument
370     if (Filename.find_first_of(" #${}^!") != StringRef::npos)  in PrintFilename()
371       OS << '\"' << Filename << '\"';  in PrintFilename()
373       OS << Filename;  in PrintFilename()
377   for (unsigned i = 0, e = Filename.size(); i != e; ++i) {  in PrintFilename()
378     if (Filename[i] == '#') // Handle '#' the broken gcc way.  in PrintFilename()
380     else if (Filename[i] == ' ') { // Handle space correctly.  in PrintFilename()
383       while (j > 0 && Filename[--j] == '\\')  in PrintFilename()
385     } else if (Filename[i] == '$') // $ is escaped by $$.  in PrintFilename()
387     OS << Filename[i];  in PrintFilename()
400     PP->getDiagnostics().Report(diag::err_fe_error_opening) << OutputFile  in OutputDependencyFile()
414     unsigned N = I->length();  in OutputDependencyFile()
438     unsigned N = I->length();  in OutputDependencyFile()
461 bool DFGASTReaderListener::visitInputFile(llvm::StringRef Filename,  in visitInputFile()  argument
468   Parent.AddFilename(Filename);  in visitInputFile()
472 void DFGASTReaderListener::visitModuleFile(llvm::StringRef Filename,  in visitModuleFile()  argument
475     Parent.AddFilename(Filename);  in visitModuleFile()