bugfix: custom regex split fails with codepoint 0

This commit is contained in:
jaime-m-p 2024-05-25 02:10:08 +02:00
parent 55e387b2d5
commit fe3c531915

View file

@ -226,8 +226,9 @@ static std::vector<size_t> unicode_regex_split_custom_gpt2(const std::string & t
assert(offset_end <= cpts.size());
start = offset_end;
static const char32_t OUT_OF_RANGE = 0xFFFFFFFF;
auto _get_cpt = [&] (const size_t pos) -> char32_t {
return (offset_ini <= pos && pos < offset_end) ? cpts[pos] : 0;
return (offset_ini <= pos && pos < offset_end) ? cpts[pos] : OUT_OF_RANGE;
};
auto _get_flags = [&] (const size_t pos) -> codepoint_flags {
@ -309,7 +310,7 @@ static std::vector<size_t> unicode_regex_split_custom_gpt2(const std::string & t
}
// regex: \s+(?!\S)
if (num_whitespaces > 1 && _get_cpt(pos+num_whitespaces) != 0) {
if (num_whitespaces > 1 && _get_cpt(pos+num_whitespaces) != OUT_OF_RANGE) {
pos += num_whitespaces - 1;
_add_token(pos);
continue;
@ -344,8 +345,9 @@ static std::vector<size_t> unicode_regex_split_custom_llama3(const std::string &
assert(offset_end <= cpts.size());
start = offset_end;
static const char32_t OUT_OF_RANGE = 0xFFFFFFFF;
auto _get_cpt = [&] (const size_t pos) -> char32_t {
return (offset_ini <= pos && pos < offset_end) ? cpts[pos] : 0;
return (offset_ini <= pos && pos < offset_end) ? cpts[pos] : OUT_OF_RANGE;
};
auto _get_flags = [&] (const size_t pos) -> codepoint_flags {
@ -450,7 +452,7 @@ static std::vector<size_t> unicode_regex_split_custom_llama3(const std::string &
}
// regex: \s+(?!\S)
if (num_whitespaces > 1 && _get_cpt(pos+num_whitespaces) != 0) {
if (num_whitespaces > 1 && _get_cpt(pos+num_whitespaces) != OUT_OF_RANGE) {
pos += num_whitespaces - 1;
_add_token(pos);
continue;