diff options
Diffstat (limited to 'gcc/pretty-print.cc')
| -rw-r--r-- | gcc/pretty-print.cc | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/pretty-print.cc b/gcc/pretty-print.cc index 7d29471..3d789a2 100644 --- a/gcc/pretty-print.cc +++ b/gcc/pretty-print.cc @@ -1828,6 +1828,35 @@ pp_string (pretty_printer *pp, const char *str) pp_maybe_wrap_text (pp, str, str + strlen (str)); } +/* Append code point C to the output area of PRETTY-PRINTER, encoding it + as UTF-8. */ + +void +pp_unicode_character (pretty_printer *pp, unsigned c) +{ + static const uchar masks[6] = { 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC }; + static const uchar limits[6] = { 0x80, 0xE0, 0xF0, 0xF8, 0xFC, 0xFE }; + size_t nbytes; + uchar buf[6], *p = &buf[6]; + + nbytes = 1; + if (c < 0x80) + *--p = c; + else + { + do + { + *--p = ((c & 0x3F) | 0x80); + c >>= 6; + nbytes++; + } + while (c >= 0x3F || (c & limits[nbytes-1])); + *--p = (c | masks[nbytes-1]); + } + + pp_append_r (pp, (const char *)p, nbytes); +} + /* Append the leading N characters of STRING to the output area of PRETTY-PRINTER, quoting in hexadecimal non-printable characters. Setting N = -1 is as if N were set to strlen (STRING). The STRING |