For PPCallbacks::InclusionDirective() add a parameter for the module, whenever
an inclusion directive was automatically turned into a module import, and
PPCallbacks::moduleImport() for an explicit module import.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164874 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/DependencyFile.cpp b/lib/Frontend/DependencyFile.cpp
index adc9660..53ea8be 100644
--- a/lib/Frontend/DependencyFile.cpp
+++ b/lib/Frontend/DependencyFile.cpp
@@ -62,7 +62,8 @@
                                   CharSourceRange FilenameRange,
                                   const FileEntry *File,
                                   StringRef SearchPath,
-                                  StringRef RelativePath);
+                                  StringRef RelativePath,
+                                  const Module *Imported);
 
   virtual void EndOfMainFile() {
     OutputDependencyFile();
@@ -135,7 +136,8 @@
                                                 CharSourceRange FilenameRange,
                                                 const FileEntry *File,
                                                 StringRef SearchPath,
-                                                StringRef RelativePath) {
+                                                StringRef RelativePath,
+                                                const Module *Imported) {
   if (!File) {
     if (AddMissingHeaderDeps)
       AddFilename(FileName);
diff --git a/lib/Frontend/DependencyGraph.cpp b/lib/Frontend/DependencyGraph.cpp
index 7fb4ad7..28d9c5d 100644
--- a/lib/Frontend/DependencyGraph.cpp
+++ b/lib/Frontend/DependencyGraph.cpp
@@ -54,7 +54,8 @@
                                   CharSourceRange FilenameRange,
                                   const FileEntry *File,
                                   StringRef SearchPath,
-                                  StringRef RelativePath);
+                                  StringRef RelativePath,
+                                  const Module *Imported);
 
   virtual void EndOfMainFile() {
     OutputGraphFile();
@@ -75,7 +76,8 @@
                                                  CharSourceRange FilenameRange,
                                                  const FileEntry *File,
                                                  StringRef SearchPath,
-                                                 StringRef RelativePath) {
+                                                 StringRef RelativePath,
+                                                 const Module *Imported) {
   if (!File)
     return;
   
diff --git a/lib/Lex/PPDirectives.cpp b/lib/Lex/PPDirectives.cpp
index 5cff2fc..23cbef6 100644
--- a/lib/Lex/PPDirectives.cpp
+++ b/lib/Lex/PPDirectives.cpp
@@ -1314,6 +1314,8 @@
     return;
   }
 
+  CharSourceRange FilenameRange
+    = CharSourceRange::getCharRange(FilenameTok.getLocation(), CharEnd);
   StringRef OriginalFilename = Filename;
   bool isAngled =
     GetIncludeFilenameSpelling(FilenameTok.getLocation(), Filename);
@@ -1384,10 +1386,13 @@
       }
     }
     
-    // Notify the callback object that we've seen an inclusion directive.
-    Callbacks->InclusionDirective(HashLoc, IncludeTok, Filename, isAngled,
-              CharSourceRange::getCharRange(FilenameTok.getLocation(), CharEnd),
-                                  File, SearchPath, RelativePath);
+    if (!SuggestedModule) {
+      // Notify the callback object that we've seen an inclusion directive.
+      Callbacks->InclusionDirective(HashLoc, IncludeTok, Filename, isAngled,
+                                    FilenameRange, File,
+                                    SearchPath, RelativePath,
+                                    /*ImportedModule=*/0);
+    }
   }
   
   if (File == 0) {
@@ -1485,8 +1490,24 @@
            "the imported module is different than the suggested one");
     
     // If this header isn't part of the module we're building, we're done.
-    if (!BuildingImportedModule && Imported)
+    if (!BuildingImportedModule && Imported) {
+      if (Callbacks) {
+        Callbacks->InclusionDirective(HashLoc, IncludeTok, Filename, isAngled,
+                                      FilenameRange, File,
+                                      SearchPath, RelativePath, Imported);
+      }
       return;
+    }
+  }
+
+  if (Callbacks && SuggestedModule) {
+    // We didn't notify the callback object that we've seen an inclusion
+    // directive before. Now that we are parsing the include normally and not
+    // turning it to a module import, notify the callback object.
+    Callbacks->InclusionDirective(HashLoc, IncludeTok, Filename, isAngled,
+                                  FilenameRange, File,
+                                  SearchPath, RelativePath,
+                                  /*ImportedModule=*/0);
   }
   
   // The #included file will be considered to be a system header if either it is
diff --git a/lib/Lex/PreprocessingRecord.cpp b/lib/Lex/PreprocessingRecord.cpp
index 40250f6..4f4ff4b 100644
--- a/lib/Lex/PreprocessingRecord.cpp
+++ b/lib/Lex/PreprocessingRecord.cpp
@@ -392,7 +392,8 @@
     CharSourceRange FilenameRange,
     const FileEntry *File,
     StringRef SearchPath,
-    StringRef RelativePath) {
+    StringRef RelativePath,
+    const Module *Imported) {
   InclusionDirective::InclusionKind Kind = InclusionDirective::Include;
   
   switch (IncludeTok.getIdentifierInfo()->getPPKeywordID()) {
diff --git a/lib/Lex/Preprocessor.cpp b/lib/Lex/Preprocessor.cpp
index 9fa3aab..872cda3 100644
--- a/lib/Lex/Preprocessor.cpp
+++ b/lib/Lex/Preprocessor.cpp
@@ -641,10 +641,14 @@
   }
 
   // If we have a non-empty module path, load the named module.
-  if (!ModuleImportPath.empty())
-    (void)TheModuleLoader.loadModule(ModuleImportLoc, ModuleImportPath,
-                                     Module::MacrosVisible,
-                                     /*IsIncludeDirective=*/false);
+  if (!ModuleImportPath.empty()) {
+    Module *Imported = TheModuleLoader.loadModule(ModuleImportLoc,
+                                                  ModuleImportPath,
+                                                  Module::MacrosVisible,
+                                                  /*IsIncludeDirective=*/false);
+    if (Callbacks)
+      Callbacks->moduleImport(ModuleImportLoc, ModuleImportPath, Imported);
+  }
 }
 
 void Preprocessor::addCommentHandler(CommentHandler *Handler) {
diff --git a/lib/Rewrite/Frontend/InclusionRewriter.cpp b/lib/Rewrite/Frontend/InclusionRewriter.cpp
index 9c3c43b..cecc867 100644
--- a/lib/Rewrite/Frontend/InclusionRewriter.cpp
+++ b/lib/Rewrite/Frontend/InclusionRewriter.cpp
@@ -60,7 +60,8 @@
                                   CharSourceRange FilenameRange,
                                   const FileEntry *File,
                                   StringRef SearchPath,
-                                  StringRef RelativePath);
+                                  StringRef RelativePath,
+                                  const Module *Imported);
   void WriteLineInfo(const char *Filename, int Line,
                      SrcMgr::CharacteristicKind FileType,
                      StringRef EOL, StringRef Extra = StringRef());
@@ -155,7 +156,8 @@
                                            CharSourceRange /*FilenameRange*/,
                                            const FileEntry * /*File*/,
                                            StringRef /*SearchPath*/,
-                                           StringRef /*RelativePath*/) {
+                                           StringRef /*RelativePath*/,
+                                           const Module */*Imported*/) {
   assert(LastInsertedFileChange == FileChanges.end() && "Another inclusion "
     "directive was found before the previous one was processed");
   std::pair<FileChangeMap::iterator, bool> p = FileChanges.insert(