diff options
Diffstat (limited to 'libcpp/internal.h')
| -rw-r--r-- | libcpp/internal.h | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/libcpp/internal.h b/libcpp/internal.h index af823d7..f0bd537 100644 --- a/libcpp/internal.h +++ b/libcpp/internal.h @@ -564,8 +564,31 @@ extern unsigned char *_cpp_copy_replacement_text (const cpp_macro *, extern size_t _cpp_replacement_text_len (const cpp_macro *); /* In charset.c. */ + +/* The normalization state at this point in the sequence. + It starts initialized to all zeros, and at the end + 'level' is the normalization level of the sequence. */ + +struct normalize_state +{ + /* The previous character. */ + cppchar_t previous; + /* The combining class of the previous character. */ + unsigned char prev_class; + /* The lowest normalization level so far. */ + enum cpp_normalize_level level; +}; +#define INITIAL_NORMALIZE_STATE { 0, 0, normalized_KC } +#define NORMALIZE_STATE_RESULT(st) ((st)->level) + +/* We saw a character that matches ISIDNUM(), update a + normalize_state appropriately. */ +#define NORMALIZE_STATE_UPDATE_IDNUM(st) \ + ((st)->previous = 0, (st)->prev_class = 0) + extern cppchar_t _cpp_valid_ucn (cpp_reader *, const unsigned char **, - const unsigned char *, int); + const unsigned char *, int, + struct normalize_state *state); extern void _cpp_destroy_iconv (cpp_reader *); extern unsigned char *_cpp_convert_input (cpp_reader *, const char *, unsigned char *, size_t, size_t, |