diff options
Diffstat (limited to 'libcpp/include/cpplib.h')
| -rw-r--r-- | libcpp/include/cpplib.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/libcpp/include/cpplib.h b/libcpp/include/cpplib.h index e205be7..84de0e0 100644 --- a/libcpp/include/cpplib.h +++ b/libcpp/include/cpplib.h @@ -480,6 +480,14 @@ struct cpp_callbacks This callback receives the translated message. */ void (*error) (cpp_reader *, int, const char *, va_list *) ATTRIBUTE_FPTR_PRINTF(3,0); + + /* Callbacks for when a macro is expanded, or tested (whether + defined or not at the time) in #ifdef, #ifndef or "defined". */ + void (*used_define) (cpp_reader *, unsigned int, cpp_hashnode *); + void (*used_undef) (cpp_reader *, unsigned int, cpp_hashnode *); + /* Called before #define and #undef or other macro definition + changes are processed. */ + void (*before_define) (cpp_reader *); }; /* Chain of directories to look for include files in. */ @@ -537,6 +545,7 @@ extern const char *progname; #define NODE_WARN (1 << 4) /* Warn if redefined or undefined. */ #define NODE_DISABLED (1 << 5) /* A disabled macro. */ #define NODE_MACRO_ARG (1 << 6) /* Used during #define processing. */ +#define NODE_USED (1 << 7) /* Dumped with -dU. */ /* Different flavors of hash node. */ enum node_type |