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speculative : add grammar support

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This commit is contained in:
Georgi Gerganov
2023-09-03 15:25:53 +03:00
parent 3103568144
commit 69f2fafebc
3 changed files with 100 additions and 2 deletions
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llama.cpp
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@@ -3850,6 +3850,25 @@ void llama_grammar_free(struct llama_grammar * grammar) {
delete grammar;
}
struct llama_grammar * llama_grammar_copy(const struct llama_grammar * grammar) {
llama_grammar * result = new llama_grammar{ grammar->rules, grammar->stacks, grammar->partial_utf8 };
// redirect elements in stacks to point to new rules
for (size_t is = 0; is < result->stacks.size(); is++) {
for (size_t ie = 0; ie < result->stacks[is].size(); ie++) {
for (size_t ir0 = 0; ir0 < grammar->rules.size(); ir0++) {
for (size_t ir1 = 0; ir1 < grammar->rules[ir0].size(); ir1++) {
if (grammar->stacks[is][ie] == &grammar->rules[ir0][ir1]) {
result->stacks[is][ie] = &result->rules[ir0][ir1];
}
}
}
}
}
return result;
}
//
// sampling
//