Function llama_grammar_copy

llama.cpp:8110–8127

}

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;
}

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// sampling