common : add nemotron 3 parsing (#18077)

* common : expose json-schema functionality to extract type info

* common : fix peg parser negation during needs_more_input

* common : add some defensive measures in constructed peg parser

* common : add nemotron nano 3 support

* common : add nemotron nano 3 tests

* remove debug line
This commit is contained in:
Aldehir Rojas
2025-12-16 04:05:23 -06:00
committed by GitHub
parent 279cef27c2
commit c05aa69f32
8 changed files with 741 additions and 6 deletions
+20
View File
@@ -3,11 +3,31 @@
#include <nlohmann/json_fwd.hpp>
#include <functional>
#include <memory>
#include <string>
std::string json_schema_to_grammar(const nlohmann::ordered_json & schema,
bool force_gbnf = false);
class common_schema_converter;
// Probes a JSON schema to extract information about its structure and type constraints.
class common_schema_info {
std::unique_ptr<common_schema_converter> impl_;
public:
common_schema_info();
~common_schema_info();
common_schema_info(const common_schema_info &) = delete;
common_schema_info & operator=(const common_schema_info &) = delete;
common_schema_info(common_schema_info &&) noexcept;
common_schema_info & operator=(common_schema_info &&) noexcept;
void resolve_refs(nlohmann::ordered_json & schema);
bool resolves_to_string(const nlohmann::ordered_json & schema);
};
struct common_grammar_builder {
std::function<std::string(const std::string &, const std::string &)> add_rule;
std::function<std::string(const std::string &, const nlohmann::ordered_json &)> add_schema;