C++ (Cpp) lean_env_import Exemples

Exemple #1

Fichier : env.c Projet : eigengrau/lean

void test_import() {
    lean_exception ex;
    lean_env  env = mk_env();
    lean_name std = mk_name("standard");
    lean_list_name ms = mk_unary_name_list(std);
    lean_options o;
    lean_ios ios;
    lean_env new_env;
    lean_decl nat_gcd_decl;
    lean_name nat = mk_name("nat");
    lean_name nat_gcd;
    lean_expr nat_gcd_val;
    char const * s;
    check(lean_options_mk_empty(&o, &ex));
    check(lean_ios_mk_std(o, &ios, &ex));
    check(lean_env_import(env, ios, ms, &new_env, &ex));
    check(lean_env_for_each_decl(new_env, print_decl_name_and_del, &ex));

    check(lean_name_mk_str(nat, "gcd", &nat_gcd, &ex));
    check(lean_env_get_decl(new_env, nat_gcd, &nat_gcd_decl, &ex));
    check(lean_decl_get_value(nat_gcd_decl, &nat_gcd_val, &ex));
    check(lean_expr_to_pp_string(new_env, ios, nat_gcd_val, &s, &ex));
    printf("nat.gcd\n%s\n", s);
    lean_env_del(env);
    lean_name_del(std);
    lean_list_name_del(ms);
    lean_options_del(o);
    lean_ios_del(ios);
    lean_env_del(new_env);
    lean_name_del(nat);
    lean_name_del(nat_gcd);
    lean_decl_del(nat_gcd_decl);
    lean_expr_del(nat_gcd_val);
    lean_string_del(s);
}

Exemple #2

Fichier : thread.cpp Projet : GallagherCommaJack/lean

void test_import() {
    lean_exception ex;
    lean_env  env     = mk_env();
    lean_name std     = mk_name("standard");
    lean_list_name ms = mk_unary_name_list(std);
    lean_options o;
    lean_ios ios;
    lean_env new_env;
    check(lean_options_mk_empty(&o, &ex));
    check(lean_ios_mk_std(o, &ios, &ex));
    check(lean_env_import(env, ios, ms, &new_env, &ex));
    lean_env_del(env);
    lean_env_del(new_env);
    lean_name_del(std);
    lean_list_name_del(ms);
    lean_options_del(o);
    lean_ios_del(ios);
}