diff options
Diffstat (limited to 'libcpp/include/cpplib.h')
| -rw-r--r-- | libcpp/include/cpplib.h | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/libcpp/include/cpplib.h b/libcpp/include/cpplib.h index c0af82c..fe73a27 100644 --- a/libcpp/include/cpplib.h +++ b/libcpp/include/cpplib.h @@ -1009,6 +1009,14 @@ struct GTY(()) cpp_hashnode { union _cpp_hashnode_value GTY ((desc ("%1.type"))) value; }; +/* Extra information we may need to store per identifier, which is needed rarely + enough that it's not worth adding directly into the main identifier hash. */ +struct GTY(()) cpp_hashnode_extra +{ + struct ht_identifier ident; + location_t poisoned_loc; +}; + /* A class for iterating through the source locations within a string token (before escapes are interpreted, and before concatenation). */ @@ -1055,12 +1063,15 @@ class cpp_substring_ranges /* Call this first to get a handle to pass to other functions. - If you want cpplib to manage its own hashtable, pass in a NULL - pointer. Otherwise you should pass in an initialized hash table - that cpplib will share; this technique is used by the C front - ends. */ + The first hash table argument is for associating a struct cpp_hashnode + with each identifier. The second hash table argument is for associating + a struct cpp_hashnode_extra with each identifier that needs one. For + either, pass in a NULL pointer if you want cpplib to create and manage + the hash table itself, or else pass a suitably initialized hash table to + be managed external to libcpp, as is done by the C-family frontends. */ extern cpp_reader *cpp_create_reader (enum c_lang, struct ht *, - class line_maps *); + class line_maps *, + struct ht * = nullptr); /* Reset the cpp_reader's line_map. This is only used after reading a PCH file. */ |