environment find_cmd(parser & p) {
expr e; level_param_names ls;
{
bool save_options = true;
parser::local_scope scope(p, save_options);
p.set_option(get_elaborator_ignore_instances_name(), true);
std::tie(e, ls) = parse_local_expr(p);
}
buffer<std::string> pos_names, neg_names;
parse_filters(p, pos_names, neg_names);
environment env = p.env();
auto tc = mk_opaque_type_checker(env, p.mk_ngen());
flycheck_information info(p.regular_stream());
if (info.enabled()) {
p.display_information_pos(p.cmd_pos());
}
p.regular_stream() << "find_decl result:\n";
unsigned max_steps = get_find_max_steps(p.get_options());
bool cheap = !get_find_expensive(p.get_options());
bool found = false;
env.for_each_declaration([&](declaration const & d) {
if (std::all_of(pos_names.begin(), pos_names.end(),
[&](std::string const & pos) { return is_part_of(pos, d.get_name()); }) &&
std::all_of(neg_names.begin(), neg_names.end(),
[&](std::string const & neg) { return !is_part_of(neg, d.get_name()); }) &&
match_pattern(*tc.get(), e, d, max_steps, cheap)) {
found = true;
p.regular_stream() << " " << get_decl_short_name(d.get_name(), env) << " : " << d.get_type() << endl;
}
});
if (!found)
p.regular_stream() << "no matches\n";
return env;
}
environment print_cmd(parser & p) {
if (p.curr() == scanner::token_kind::String) {
p.regular_stream() << p.get_str_val() << endl;
p.next();
} else if (p.curr_is_token_or_id(g_raw)) {
p.next();
expr e = p.parse_expr();
p.regular_stream() << e << endl;
} else if (p.curr_is_token_or_id(g_options)) {
p.next();
p.regular_stream() << p.ios().get_options() << endl;
} else {
throw parser_error("invalid print command", p.pos());
}
return p.env();
}
environment check_cmd(parser & p) {
expr e = p.parse_expr();
list<expr> ctx = locals_to_context(e, p);
level_param_names ls = to_level_param_names(collect_univ_params(e));
level_param_names new_ls;
std::tie(e, new_ls) = p.elaborate_relaxed(e, ctx);
auto tc = mk_type_checker_with_hints(p.env(), p.mk_ngen(), true);
expr type = tc->check(e, append(ls, new_ls));
auto reg = p.regular_stream();
formatter const & fmt = reg.get_formatter();
options opts = p.ios().get_options();
unsigned indent = get_pp_indent(opts);
format r = group(format{fmt(e), space(), colon(), nest(indent, compose(line(), fmt(type)))});
reg << mk_pair(r, opts) << endl;
return p.env();
}