libcpp: add callback for comment-handling

[thirdparty/gcc.git] / libcpp / include / cpplib.h

diff --git a/libcpp/include/cpplib.h b/libcpp/include/cpplib.h
index b843992b0cd0dc8bc32a17400d82b273848509a4..66ef4d6443376fbac6050c50597c52ebc6739c39 100644 (file)
--- a/libcpp/include/cpplib.h
+++ b/libcpp/include/cpplib.h
@@ -609,6 +609,15 @@ struct cpp_callbacks
 
   /* Callback for providing suggestions for misspelled directives.  */
   const char *(*get_suggestion) (cpp_reader *, const char *, const char *const *);
+
+  /* Callback for when a comment is encountered, giving the location
+     of the opening slash, a pointer to the content (which is not
+     necessarily 0-terminated), and the length of the content.
+     The content contains the opening slash-star (or slash-slash),
+     and for C-style comments contains the closing star-slash.  For
+     C++-style comments it does not include the terminating newline.  */
+  void (*comment) (cpp_reader *, source_location, const unsigned char *,
+                  size_t);
 };
 
 #ifdef VMS