upgrade to llguidance 0.7.10 (#12576)

tests/test-grammar-llguidance.cpp

@@ -1086,6 +1086,65 @@ static void test_json_schema() {
         });
 }
 
+static void one_hot(llama_token_data_array & tok_arr, llama_token selected) {
+    auto n_vocab = tok_arr.size;
+
+    tok_arr.selected = -1;
+    tok_arr.sorted   = false;
+    for (llama_token token_id = 0; token_id < (llama_token) n_vocab; token_id++) {
+        tok_arr.data[token_id].id    = token_id;
+        tok_arr.data[token_id].logit = 0.0f;
+    }
+
+    tok_arr.data[selected].logit = 100.0f;
+}
+
+static void test_sampler_chain(void) {
+    auto sparams            = llama_sampler_chain_default_params();
+    sparams.no_perf         = false;
+    llama_sampler * sampler = llama_sampler_chain_init(sparams);
+
+    const auto grammar_data = R"(%llguidance {}
+start: /[A-Z ]*/)";
+
+    llama_sampler_chain_add(sampler, llama_sampler_init_llg(vocab, "lark", grammar_data));
+    llama_sampler_chain_add(sampler, llama_sampler_init_dist(42));
+
+    auto input  = "ALL YOUR BASE ARE BELONG TO US";
+    auto tokens = common_tokenize(vocab, input, false, false);
+
+    auto n_vocab = llama_vocab_n_tokens(vocab);
+
+    std::vector<llama_token_data> cur;
+    cur.reserve(n_vocab);
+    for (llama_token token_id = 0; token_id < (llama_token) n_vocab; token_id++) {
+        cur.emplace_back(llama_token_data{ token_id, 0.0f, 0.0f });
+    }
+    auto tok_arr = llama_token_data_array{ cur.data(), cur.size(), -1, false };
+
+    for (const auto token : tokens) {
+        one_hot(tok_arr, token);
+
+        fprintf(stderr, "applying token: %d\n", token);
+        llama_sampler_apply(sampler, &tok_arr);
+
+        auto idx = tok_arr.selected;
+        fprintf(stderr, " -> %d %f\n", cur[idx].id, cur[idx].logit);
+        assert(cur[tok_arr.selected].id == token);
+        llama_sampler_accept(sampler, token);
+    }
+
+    auto tok_eos = llama_vocab_eot(vocab);
+    if (tok_eos == LLAMA_TOKEN_NULL) {
+        tok_eos = llama_vocab_eos(vocab);
+    }
+
+    one_hot(tok_arr, tok_eos);
+
+    llama_sampler_apply(sampler, &tok_arr);
+    assert(cur[tok_arr.selected].id == tok_eos);
+}
+
 int main(int argc, const char ** argv) {
     fprintf(stdout, "Running llguidance integration tests...\n");
 
@@ -1135,6 +1194,9 @@ int main(int argc, const char ** argv) {
     test_special_chars();
     test_quantifiers();
     test_json_schema();
+
+    test_sampler_chain();
+
     fprintf(stdout, "All tests passed.\n");
     return 0;
 }