Remove the capture, serialization, and deserialization of comment

ranges as part of the ASTContext. This code is not and was never used,
but contributes ~250k to the size of the Cocoa.h precompiled
header.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99007 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 1 insertions, 18 deletions

diff --git a/include/clang/Frontend/PCHBitCodes.h b/include/clang/Frontend/PCHBitCodes.h
index de7888e797..f975c497be 100644
--- a/include/clang/Frontend/PCHBitCodes.h
+++ b/include/clang/Frontend/PCHBitCodes.h
@@ -215,9 +215,7 @@ namespace clang {
       /// generate the precompiled header.
       ORIGINAL_FILE_NAME = 19,
 
-      /// \brief Record code for the sorted array of source ranges where
-      /// comments were encountered in the source code.
-      COMMENT_RANGES = 20,
+      /// Record #20 intentionally left blank.
       
       /// \brief Record code for the version control branch and revision
       /// information of the compiler used to build this PCH file.
diff --git a/include/clang/Frontend/PCHReader.h b/include/clang/Frontend/PCHReader.h
index 9ccd382dba..73c1bf4cce 100644
--- a/include/clang/Frontend/PCHReader.h
+++ b/include/clang/Frontend/PCHReader.h
@@ -310,12 +310,6 @@ private:
   /// preprocessing record.
   unsigned NumPreallocatedPreprocessingEntities;
       
-  /// \brief A sorted array of source ranges containing comments.
-  SourceRange *Comments;
-
-  /// \brief The number of source ranges in the Comments array.
-  unsigned NumComments;
-
   /// \brief The set of external definitions stored in the the PCH
   /// file.
   llvm::SmallVector<uint64_t, 16> ExternalDefinitions;
@@ -566,14 +560,6 @@ public:
   /// \brief Read preprocessed entities into the 
   virtual void ReadPreprocessedEntities();
 
-  /// \brief Reads the source ranges that correspond to comments from
-  /// an external AST source.
-  ///
-  /// \param Comments the contents of this vector will be
-  /// replaced with the sorted set of source ranges corresponding to
-  /// comments in the source code.
-  virtual void ReadComments(std::vector<SourceRange> &Comments);
-
   /// \brief Reads a TemplateArgumentLocInfo appropriate for the
   /// given TemplateArgument kind.
   TemplateArgumentLocInfo
diff --git a/include/clang/Frontend/PCHWriter.h b/include/clang/Frontend/PCHWriter.h
index df733b6cae..e006de524c 100644
--- a/include/clang/Frontend/PCHWriter.h
+++ b/include/clang/Frontend/PCHWriter.h
@@ -215,7 +215,6 @@ private:
                                const Preprocessor &PP,
                                const char* isysroot);
   void WritePreprocessor(const Preprocessor &PP);
-  void WriteComments(ASTContext &Context);
   void WriteType(QualType T);
   uint64_t WriteDeclContextLexicalBlock(ASTContext &Context, DeclContext *DC);
   uint64_t WriteDeclContextVisibleBlock(ASTContext &Context, DeclContext *DC);