Function format_codepoint

tests/test-chat.cpp:130–142

Helper to format a code point as a readable string

// Helper to format a code point as a readable string
static std::string format_codepoint(uint32_t cp) {
    if (cp >= 32 && cp < 127) {
        return std::string("'") + static_cast<char>(cp) + "'";
    } else if (cp == '\n') {
        return "'\\n'";
    } else if (cp == '\r') {
        return "'\\r'";
    } else if (cp == '\t') {
        return "'\\t'";
    } else {
        return "U+" + std::to_string(cp);
    }
}

// Helper to format expected element from grammar stack
static std::string format_expected_element(const llama_grammar_rules & /* rules*/, const llama_grammar_element * elem) {