vbatts/llama.cpp
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llama_tokenizer() in fact requires valid utf8

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This commit is contained in:
Michal Moskal 2025-01-26 10:09:51 -08:00
parent 8e027f8dcd
commit ca88ce7b77
1 changed files with 9 additions and 3 deletions
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12
common/llguidance.cpp
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@ -21,6 +21,7 @@ static LlgConstraint *llama_sampler_llg_new(LlgTokenizer *tokenizer,
const char * grammar_kind, const char * grammar_data) {
LlgConstraintInit cinit;
llg_constraint_init_set_defaults(&cinit, tokenizer);
// cinit.log_stderr_level = 2;
auto c = llg_new_constraint_any(&cinit, grammar_kind, grammar_data);
if (llg_get_error(c)) {
LOG_ERR("llg error: %s\n", llg_get_error(c));
@ -135,8 +136,13 @@ static size_t llama_sampler_llg_tokenize_fn(const void *user_data,
size_t output_tokens_len)
{
const llama_vocab *vocab = (const llama_vocab *)user_data;
int r = llama_tokenize(vocab, (const char *) bytes, bytes_len,
(int32_t*)output_tokens, output_tokens_len, false, true);
int r = 0;
try {
r = llama_tokenize(vocab, (const char *) bytes, bytes_len,
(int32_t*)output_tokens, output_tokens_len, false, true);
} catch (const std::exception &e) {
GGML_ABORT("llama_tokenize failed: %s\n", e.what());
}
if (r < 0)
return -r;
return r;
@ -197,7 +203,7 @@ static LlgTokenizer *llama_sampler_llg_new_tokenizer(const llama_vocab * vocab)
/* .token_lens = */ token_lens,
/* .token_bytes = */ token_bytes,
/* .tokenizer_json = */ nullptr,
/* .tokenize_assumes_string = */ false,
/* .tokenize_assumes_string = */ true,
/* .tokenize_fn = */ llama_sampler_llg_tokenize_fn,
/* .use_approximate_greedy_tokenize_fn = */ false,
/* .tokenize_user_data = */ vocab,