diff options
Diffstat (limited to 'core/string/char_utils.h')
| -rw-r--r-- | core/string/char_utils.h | 43 |
1 files changed, 31 insertions, 12 deletions
diff --git a/core/string/char_utils.h b/core/string/char_utils.h index 4ff8fb7320..aa9bc198ca 100644 --- a/core/string/char_utils.h +++ b/core/string/char_utils.h @@ -35,24 +35,43 @@ #include "char_range.inc" +#define BSEARCH_CHAR_RANGE(m_array) \ + int low = 0; \ + int high = sizeof(m_array) / sizeof(m_array[0]) - 1; \ + int middle; \ + \ + while (low <= high) { \ + middle = (low + high) / 2; \ + \ + if (c < m_array[middle].start) { \ + high = middle - 1; \ + } else if (c > m_array[middle].end) { \ + low = middle + 1; \ + } else { \ + return true; \ + } \ + } \ + \ + return false + static _FORCE_INLINE_ bool is_unicode_identifier_start(char32_t c) { - for (int i = 0; xid_start[i].start != 0; i++) { - if (c >= xid_start[i].start && c <= xid_start[i].end) { - return true; - } - } - return false; + BSEARCH_CHAR_RANGE(xid_start); } static _FORCE_INLINE_ bool is_unicode_identifier_continue(char32_t c) { - for (int i = 0; xid_continue[i].start != 0; i++) { - if (c >= xid_continue[i].start && c <= xid_continue[i].end) { - return true; - } - } - return false; + BSEARCH_CHAR_RANGE(xid_continue); +} + +static _FORCE_INLINE_ bool is_unicode_upper_case(char32_t c) { + BSEARCH_CHAR_RANGE(uppercase_letter); } +static _FORCE_INLINE_ bool is_unicode_lower_case(char32_t c) { + BSEARCH_CHAR_RANGE(lowercase_letter); +} + +#undef BSEARCH_CHAR_RANGE + static _FORCE_INLINE_ bool is_ascii_upper_case(char32_t c) { return (c >= 'A' && c <= 'Z'); } |