PPCallbacks: Add hook for reaching the end of the main file, and fix DependencyFile to not do work in its destructor.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99257 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 15 insertions, 0 deletions

diff --git a/include/clang/Lex/PPCallbacks.h b/include/clang/Lex/PPCallbacks.h
index dd24fb7d7b..e891e94d4c 100644
--- a/include/clang/Lex/PPCallbacks.h
+++ b/include/clang/Lex/PPCallbacks.h
@@ -44,6 +44,12 @@ public:
                            SrcMgr::CharacteristicKind FileType) {
   }
 
+
+  /// EndOfMainFile - This callback is invoked when the end of the main file is
+  /// reach, no subsequent callbacks will be made.
+  virtual void EndOfMainFile() {
+  }
+
   /// Ident - This callback is invoked when a #ident or #sccs directive is read.
   ///
   virtual void Ident(SourceLocation Loc, const std::string &str) {
@@ -90,6 +96,11 @@ public:
     Second->FileChanged(Loc, Reason, FileType);
   }
 
+  virtual void EndOfMainFile() {
+    First->EndOfMainFile();
+    Second->EndOfMainFile();
+  }
+
   virtual void Ident(SourceLocation Loc, const std::string &str) {
     First->Ident(Loc, str);
     Second->Ident(Loc, str);
diff --git a/include/clang/Lex/Preprocessor.h b/include/clang/Lex/Preprocessor.h
index 23c118d1fc..312a760e01 100644
--- a/include/clang/Lex/Preprocessor.h
+++ b/include/clang/Lex/Preprocessor.h
@@ -368,6 +368,10 @@ public:
   /// which implicitly adds the builtin defines etc.
   bool EnterMainSourceFile();
 
+  /// EndSourceFile - Inform the preprocessor callbacks that processing is
+  /// complete.
+  void EndSourceFile();
+
   /// EnterSourceFile - Add a source file to the top of the include stack and
   /// start lexing tokens from it instead of the current buffer.  Return true
   /// and fill in ErrorStr with the error information on failure.