Function analyze_template

tools/parser/template-analysis.cpp:367–580

}

static void analyze_template(const std::string & template_path) {
    LOG_ERR("\n");
    LOG_ERR("%s", ANSI_PURPLE);
    LOG_ERR("================================================================================\n");
    LOG_ERR("                    ANALYZING TEMPLATE: %s\n", template_path.c_str());
    LOG_ERR("================================================================================\n");
    LOG_ERR("%s", ANSI_RESET);

    std::string template_source;
    try {
        template_source = read_file(template_path);
    } catch (const std::exception & e) {
        LOG_ERR("Error reading template: %s\n", e.what());
        return;
    }

    try {
        common_chat_template chat_template(template_source, "", "");
        json tools = build_tools_definition();

        // ===== CAPABILITIES ANALYSIS =====
        LOG_ERR("\n%s=== Template Capabilities (from jinja::caps) ===%s\n", ANSI_CYAN, ANSI_RESET);
        auto caps = chat_template.original_caps();
        LOG_ERR("%ssupports_tools:%s %s\n", ANSI_BLUE, ANSI_RESET, caps.supports_tools ? "true" : "false");
        LOG_ERR("%ssupports_tool_calls:%s %s\n", ANSI_BLUE, ANSI_RESET, caps.supports_tool_calls ? "true" : "false");
        LOG_ERR("%ssupports_system_role:%s %s\n", ANSI_BLUE, ANSI_RESET, caps.supports_system_role ? "true" : "false");
        LOG_ERR("%ssupports_parallel_tool_calls:%s %s\n", ANSI_BLUE, ANSI_RESET, caps.supports_parallel_tool_calls ? "true" : "false");
        LOG_ERR("%ssupports_typed_content:%s %s\n", ANSI_BLUE, ANSI_RESET, caps.supports_typed_content ? "true" : "false");
        LOG_ERR("%ssupports_string_content:%s %s\n", ANSI_BLUE, ANSI_RESET, caps.supports_string_content ? "true" : "false");

        // ===== DIFFERENTIAL ANALYSIS =====

        // Test 1: With and without tools (single user message)
        {
            json user_msg = make_user_msg();

            autoparser::generation_params params_no_tools;
            params_no_tools.messages = json::array({ user_msg });
            params_no_tools.add_generation_prompt = false;
            params_no_tools.tools = json::array();

            autoparser::generation_params params_with_tools = params_no_tools;
            params_with_tools.tools = tools;

            std::string output_no_tools = common_chat_template_direct_apply(chat_template, params_no_tools);
            std::string output_with_tools = common_chat_template_direct_apply(chat_template, params_with_tools);

            auto diff = calculate_diff_split(output_no_tools, output_with_tools);
            print_diff_split("Diff: With vs Without Tools (single user message)", diff);
        }

        // Test 2: With and without add_generation_prompt (single user message)
        {
            json user_msg = make_user_msg();

            autoparser::generation_params params_no_prompt;
            params_no_prompt.messages = json::array({ user_msg });
            params_no_prompt.add_generation_prompt = false;