C++ (Cpp) context::query示例

void dl_query_ask_ground_query(context & ctx, func_decl * pred, relation_fact & f, bool should_be_successful) {
    expr * const * q_args = reinterpret_cast<expr * const *>(f.c_ptr());
    app * query = ctx.get_manager().mk_app(pred, q_args);

    lbool is_sat = ctx.query(query);

    std::cerr << "@@ query should succeed: " << should_be_successful << "\n";
    SASSERT(is_sat != l_undef);
    if((is_sat != l_true) == should_be_successful) {
        std::cerr<<"wrong ground query answer!\n";
        UNREACHABLE();
    }
}

示例#2

显示文件

文件： dl_query.cpp 项目： jackluo923/juxta

void dl_query_ask_for_last_arg(context & ctx, func_decl * pred, relation_fact & f, bool should_be_successful) {
    ast_manager & m = ctx.get_manager();
    expr_ref_vector query_args(m);
    push_into_vector(query_args, f);
    query_args.pop_back();
    query_args.push_back(m.mk_var(0, pred->get_domain(query_args.size())));
    app * query = ctx.get_manager().mk_app(pred, query_args.c_ptr());

    lbool is_sat = ctx.query(query);
    std::cerr << "@@ last arg query should succeed: " << should_be_successful << "\n";
    SASSERT(is_sat != l_undef);

    relation_fact res_fact(m);
    res_fact.push_back(f.back());

    if(ctx.result_contains_fact(res_fact)!=should_be_successful) {
        std::cerr<<"wrong arg query answer!\n";
        UNREACHABLE();
    }
}