724 lines
28 KiB
C++
724 lines
28 KiB
C++
/*
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Copyright (c) 2014 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Author: Leonardo de Moura
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*/
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#include <algorithm>
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#include <string>
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#include "util/sstream.h"
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#include "util/sexpr/option_declarations.h"
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#include "kernel/type_checker.h"
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#include "kernel/abstract.h"
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#include "kernel/instantiate.h"
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#include "kernel/inductive/inductive.h"
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#include "kernel/default_converter.h"
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#include "library/io_state_stream.h"
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#include "library/scoped_ext.h"
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#include "library/aliases.h"
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#include "library/protected.h"
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#include "library/locals.h"
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#include "library/coercion.h"
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#include "library/reducible.h"
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#include "library/normalize.h"
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#include "library/print.h"
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#include "library/class.h"
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#include "library/flycheck.h"
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#include "library/util.h"
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#include "library/pp_options.h"
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#include "library/definitional/projection.h"
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#include "frontends/lean/util.h"
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#include "frontends/lean/parser.h"
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#include "frontends/lean/calc.h"
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#include "frontends/lean/notation_cmd.h"
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#include "frontends/lean/inductive_cmd.h"
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#include "frontends/lean/structure_cmd.h"
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#include "frontends/lean/find_cmd.h"
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#include "frontends/lean/begin_end_ext.h"
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#include "frontends/lean/decl_cmds.h"
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#include "frontends/lean/tactic_hint.h"
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#include "frontends/lean/tokens.h"
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#include "frontends/lean/parse_table.h"
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namespace lean {
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static void print_coercions(parser & p, optional<name> const & C) {
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environment const & env = p.env();
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options opts = p.regular_stream().get_options();
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opts = opts.update(get_pp_coercions_option_name(), true);
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io_state_stream out = p.regular_stream().update_options(opts);
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char const * arrow = get_pp_unicode(opts) ? "↣" : ">->";
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for_each_coercion_user(env, [&](name const & C1, name const & D, expr const & c, level_param_names const &, unsigned) {
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if (!C || *C == C1)
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out << C1 << " " << arrow << " " << D << " : " << c << endl;
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});
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for_each_coercion_sort(env, [&](name const & C1, expr const & c, level_param_names const &, unsigned) {
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if (!C || *C == C1)
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out << C1 << " " << arrow << " [sort-class] : " << c << endl;
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});
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for_each_coercion_fun(env, [&](name const & C1, expr const & c, level_param_names const &, unsigned) {
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if (!C || *C == C1)
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out << C1 << " " << arrow << " [fun-class] : " << c << endl;
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});
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}
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static void print_axioms(parser & p) {
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bool has_axioms = false;
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environment const & env = p.env();
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env.for_each_declaration([&](declaration const & d) {
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name const & n = d.get_name();
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if (!d.is_definition() &&
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!inductive::is_inductive_decl(env, n) &&
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!inductive::is_elim_rule(env, n) &&
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!inductive::is_intro_rule(env, n)) {
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p.regular_stream() << n << " : " << d.get_type() << endl;
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has_axioms = true;
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}
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});
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if (!has_axioms)
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p.regular_stream() << "no axioms" << endl;
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}
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static void print_prefix(parser & p) {
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name prefix = p.check_id_next("invalid 'print prefix' command, identifier expected");
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environment const & env = p.env();
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buffer<declaration> to_print;
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env.for_each_declaration([&](declaration const & d) {
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if (is_prefix_of(prefix, d.get_name())) {
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to_print.push_back(d);
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}
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});
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std::sort(to_print.begin(), to_print.end(), [](declaration const & d1, declaration const & d2) { return d1.get_name() < d2.get_name(); });
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for (declaration const & d : to_print) {
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p.regular_stream() << d.get_name() << " : " << d.get_type() << endl;
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}
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if (to_print.empty())
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p.regular_stream() << "no declaration starting with prefix '" << prefix << "'" << endl;
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}
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static void print_fields(parser & p) {
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auto pos = p.pos();
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environment const & env = p.env();
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name S = p.check_constant_next("invalid 'print fields' command, constant expected");
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if (!is_structure(env, S))
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throw parser_error(sstream() << "invalid 'print fields' command, '" << S << "' is not a structure", pos);
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buffer<name> field_names;
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get_structure_fields(env, S, field_names);
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for (name const & field_name : field_names) {
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declaration d = env.get(field_name);
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p.regular_stream() << d.get_name() << " : " << d.get_type() << endl;
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}
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}
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static bool uses_token(unsigned num, notation::transition const * ts, name const & token) {
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for (unsigned i = 0; i < num; i++) {
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if (ts[i].get_token() == token)
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return true;
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}
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return false;
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}
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static bool uses_some_token(unsigned num, notation::transition const * ts, buffer<name> const & tokens) {
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return
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tokens.empty() ||
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std::any_of(tokens.begin(), tokens.end(), [&](name const & token) { return uses_token(num, ts, token); });
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}
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static bool print_parse_table(parser & p, parse_table const & t, bool nud, buffer<name> const & tokens) {
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bool found = false;
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io_state ios = p.ios();
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options os = ios.get_options();
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os = os.update_if_undef(get_pp_full_names_option_name(), true);
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os = os.update(get_pp_notation_option_name(), false);
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ios.set_options(os);
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optional<token_table> tt(get_token_table(p.env()));
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t.for_each([&](unsigned num, notation::transition const * ts, list<expr> const & overloads) {
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if (uses_some_token(num, ts, tokens)) {
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found = true;
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io_state_stream out = regular(p.env(), ios);
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notation::display(out, num, ts, overloads, nud, tt);
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}
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});
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return found;
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}
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static void print_notation(parser & p) {
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buffer<name> tokens;
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while (p.curr_is_keyword()) {
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tokens.push_back(p.get_token_info().token());
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p.next();
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}
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bool found = false;
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if (print_parse_table(p, get_nud_table(p.env()), true, tokens))
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found = true;
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if (print_parse_table(p, get_led_table(p.env()), false, tokens))
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found = true;
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if (!found)
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p.regular_stream() << "no notation" << endl;
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}
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static void print_metaclasses(parser & p) {
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buffer<name> c;
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get_metaclasses(c);
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for (name const & n : c)
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p.regular_stream() << "[" << n << "]" << endl;
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}
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environment print_cmd(parser & p) {
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flycheck_information info(p.regular_stream());
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if (info.enabled()) {
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p.display_information_pos(p.cmd_pos());
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p.regular_stream() << "print result:\n";
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}
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if (p.curr() == scanner::token_kind::String) {
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p.regular_stream() << p.get_str_val() << endl;
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p.next();
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} else if (p.curr_is_token_or_id(get_raw_tk())) {
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p.next();
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expr e = p.parse_expr();
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io_state_stream out = p.regular_stream();
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options opts = out.get_options();
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opts = opts.update(get_pp_notation_option_name(), false);
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out.update_options(opts) << e << endl;
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} else if (p.curr_is_token_or_id(get_options_tk())) {
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p.next();
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p.regular_stream() << p.ios().get_options() << endl;
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} else if (p.curr_is_token_or_id(get_trust_tk())) {
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p.next();
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p.regular_stream() << "trust level: " << p.env().trust_lvl() << endl;
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} else if (p.curr_is_token_or_id(get_definition_tk())) {
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p.next();
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auto pos = p.pos();
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name c = p.check_constant_next("invalid 'print definition', constant expected");
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environment const & env = p.env();
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declaration d = env.get(c);
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io_state_stream out = p.regular_stream();
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options opts = out.get_options();
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opts = opts.update_if_undef(get_pp_beta_name(), false);
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io_state_stream new_out = out.update_options(opts);
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if (!d.is_definition())
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throw parser_error(sstream() << "invalid 'print definition', '" << c << "' is not a definition", pos);
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new_out << d.get_value() << endl;
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} else if (p.curr_is_token_or_id(get_instances_tk())) {
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p.next();
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name c = p.check_constant_next("invalid 'print instances', constant expected");
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environment const & env = p.env();
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for (name const & i : get_class_instances(env, c)) {
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p.regular_stream() << i << " : " << env.get(i).get_type() << endl;
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}
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} else if (p.curr_is_token_or_id(get_classes_tk())) {
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p.next();
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environment const & env = p.env();
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buffer<name> classes;
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get_classes(env, classes);
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std::sort(classes.begin(), classes.end());
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for (name const & c : classes) {
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p.regular_stream() << c << " : " << env.get(c).get_type() << endl;
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}
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} else if (p.curr_is_token_or_id(get_prefix_tk())) {
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p.next();
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print_prefix(p);
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} else if (p.curr_is_token_or_id(get_coercions_tk())) {
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p.next();
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optional<name> C;
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if (p.curr_is_identifier())
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C = p.check_constant_next("invalid 'print coercions', constant expected");
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print_coercions(p, C);
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} else if (p.curr_is_token_or_id(get_metaclasses_tk())) {
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p.next();
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print_metaclasses(p);
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} else if (p.curr_is_token_or_id(get_axioms_tk())) {
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p.next();
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print_axioms(p);
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} else if (p.curr_is_token_or_id(get_fields_tk())) {
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p.next();
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print_fields(p);
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} else if (p.curr_is_token_or_id(get_notation_tk())) {
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p.next();
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print_notation(p);
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} else {
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throw parser_error("invalid print command", p.pos());
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}
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return p.env();
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}
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environment section_cmd(parser & p) {
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name n;
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if (p.curr_is_identifier())
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n = p.check_atomic_id_next("invalid section, atomic identifier expected");
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p.push_local_scope();
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return push_scope(p.env(), p.ios(), scope_kind::Section, n);
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}
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environment context_cmd(parser & p) {
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name n;
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if (p.curr_is_identifier())
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n = p.check_atomic_id_next("invalid context, atomic identifier expected");
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bool save_options = true;
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p.push_local_scope(save_options);
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return push_scope(p.env(), p.ios(), scope_kind::Context, n);
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}
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environment namespace_cmd(parser & p) {
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auto pos = p.pos();
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name n = p.check_atomic_id_next("invalid namespace declaration, atomic identifier expected");
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if (is_root_namespace(n))
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throw parser_error(sstream() << "invalid namespace name, '" << n << "' is reserved", pos);
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p.push_local_scope();
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return push_scope(p.env(), p.ios(), scope_kind::Namespace, n);
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}
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static void redeclare_aliases(parser & p,
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list<pair<name, level>> old_level_entries,
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list<pair<name, expr>> old_entries) {
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environment const & env = p.env();
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if (!in_context(env))
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return;
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list<pair<name, expr>> new_entries = p.get_local_entries();
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buffer<pair<name, expr>> to_redeclare;
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name_set popped_locals;
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while (!is_eqp(old_entries, new_entries)) {
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pair<name, expr> entry = head(old_entries);
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if (is_local_ref(entry.second))
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to_redeclare.push_back(entry);
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else if (is_local(entry.second))
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popped_locals.insert(mlocal_name(entry.second));
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old_entries = tail(old_entries);
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}
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name_set popped_levels;
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list<pair<name, level>> new_level_entries = p.get_local_level_entries();
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while (!is_eqp(old_level_entries, new_level_entries)) {
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level const & l = head(old_level_entries).second;
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if (is_param(l))
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popped_levels.insert(param_id(l));
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old_level_entries = tail(old_level_entries);
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}
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for (auto const & entry : to_redeclare) {
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expr new_ref = update_local_ref(entry.second, popped_levels, popped_locals);
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if (!is_constant(new_ref))
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p.add_local_expr(entry.first, new_ref);
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}
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}
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environment end_scoped_cmd(parser & p) {
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list<pair<name, level>> level_entries = p.get_local_level_entries();
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list<pair<name, expr>> entries = p.get_local_entries();
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p.pop_local_scope();
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if (p.curr_is_identifier()) {
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name n = p.check_atomic_id_next("invalid end of scope, atomic identifier expected");
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environment env = pop_scope(p.env(), n);
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redeclare_aliases(p, level_entries, entries);
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return env;
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} else {
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environment env = pop_scope(p.env());
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redeclare_aliases(p, level_entries, entries);
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return env;
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}
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}
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environment check_cmd(parser & p) {
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expr e; level_param_names ls;
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std::tie(e, ls) = parse_local_expr(p);
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auto tc = mk_type_checker(p.env(), p.mk_ngen(), true);
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expr type = tc->check(e, ls).first;
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auto reg = p.regular_stream();
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formatter fmt = reg.get_formatter();
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options opts = p.ios().get_options();
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opts = opts.update_if_undef(get_pp_metavar_args_name(), true);
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fmt = fmt.update_options(opts);
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unsigned indent = get_pp_indent(opts);
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format r = group(fmt(e) + space() + colon() + nest(indent, line() + fmt(type)));
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flycheck_information info(p.regular_stream());
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if (info.enabled()) {
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p.display_information_pos(p.cmd_pos());
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p.regular_stream() << "check result:\n";
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}
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reg << mk_pair(r, opts) << endl;
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return p.env();
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}
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class all_transparent_converter : public default_converter {
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public:
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all_transparent_converter(environment const & env):
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default_converter(env, optional<module_idx>(), true) {
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}
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virtual bool is_opaque(declaration const &) const {
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return false;
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}
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};
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environment eval_cmd(parser & p) {
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bool whnf = false;
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bool all_transparent = false;
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if (p.curr_is_token(get_whnf_tk())) {
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p.next();
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whnf = true;
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} else if (p.curr_is_token(get_all_transparent_tk())) {
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p.next();
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all_transparent = true;
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}
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expr e; level_param_names ls;
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std::tie(e, ls) = parse_local_expr(p);
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expr r;
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if (whnf) {
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auto tc = mk_type_checker(p.env(), p.mk_ngen(), true);
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r = tc->whnf(e).first;
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} else if (all_transparent) {
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type_checker tc(p.env(), name_generator(),
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std::unique_ptr<converter>(new all_transparent_converter(p.env())));
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r = normalize(tc, ls, e);
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} else {
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r = normalize(p.env(), ls, e);
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}
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flycheck_information info(p.regular_stream());
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if (info.enabled()) {
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p.display_information_pos(p.cmd_pos());
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p.regular_stream() << "eval result:\n";
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}
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p.regular_stream() << r << endl;
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return p.env();
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}
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environment exit_cmd(parser &) {
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throw interrupt_parser();
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}
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environment set_option_cmd(parser & p) {
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auto id_pos = p.pos();
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name id = p.check_id_next("invalid set option, identifier (i.e., option name) expected");
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auto decl_it = get_option_declarations().find(id);
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if (decl_it == get_option_declarations().end()) {
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// add "lean" prefix
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name lean_id = name("lean") + id;
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decl_it = get_option_declarations().find(lean_id);
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if (decl_it == get_option_declarations().end()) {
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throw parser_error(sstream() << "unknown option '" << id
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<< "', type 'help options.' for list of available options", id_pos);
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} else {
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id = lean_id;
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}
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}
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option_kind k = decl_it->second.kind();
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if (k == BoolOption) {
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if (p.curr_is_token_or_id(get_true_tk()))
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p.set_option(id, true);
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else if (p.curr_is_token_or_id(get_false_tk()))
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p.set_option(id, false);
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else
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throw parser_error("invalid Boolean option value, 'true' or 'false' expected", p.pos());
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p.next();
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} else if (k == StringOption) {
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if (!p.curr_is_string())
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throw parser_error("invalid option value, given option is not a string", p.pos());
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p.set_option(id, p.get_str_val());
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p.next();
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} else if (k == DoubleOption) {
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p.set_option(id, p.parse_double());
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} else if (k == UnsignedOption || k == IntOption) {
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p.set_option(id, p.parse_small_nat());
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} else {
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throw parser_error("invalid option value, 'true', 'false', string, integer or decimal value expected", p.pos());
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}
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p.updt_options();
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environment env = p.env();
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return update_fingerprint(env, p.get_options().hash());
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}
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static name parse_metaclass(parser & p) {
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if (p.curr_is_token(get_lbracket_tk())) {
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p.next();
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auto pos = p.pos();
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name n;
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while (!p.curr_is_token(get_rbracket_tk())) {
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if (p.curr_is_identifier())
|
|
n = n.append_after(p.get_name_val().to_string().c_str());
|
|
else if (p.curr_is_keyword() || p.curr_is_command())
|
|
n = n.append_after(p.get_token_info().value().to_string().c_str());
|
|
else if (p.curr_is_token(get_sub_tk()))
|
|
n = n.append_after("-");
|
|
else
|
|
throw parser_error("invalid 'open' command, identifier or symbol expected", pos);
|
|
p.next();
|
|
}
|
|
p.check_token_next(get_rbracket_tk(), "invalid 'open' command, ']' expected");
|
|
if (!is_metaclass(n) && n != get_decls_tk() && n != get_declarations_tk())
|
|
throw parser_error(sstream() << "invalid metaclass name '[" << n << "]'", pos);
|
|
return n;
|
|
} else {
|
|
return name();
|
|
}
|
|
}
|
|
|
|
static void parse_metaclasses(parser & p, buffer<name> & r) {
|
|
if (p.curr_is_token(get_sub_tk())) {
|
|
p.next();
|
|
buffer<name> tmp;
|
|
get_metaclasses(tmp);
|
|
tmp.push_back(get_decls_tk());
|
|
while (p.curr_is_token(get_lbracket_tk())) {
|
|
name m = parse_metaclass(p);
|
|
tmp.erase_elem(m);
|
|
}
|
|
r.append(tmp);
|
|
} else {
|
|
while (p.curr_is_token(get_lbracket_tk())) {
|
|
r.push_back(parse_metaclass(p));
|
|
}
|
|
}
|
|
}
|
|
|
|
static void check_identifier(parser & p, environment const & env, name const & ns, name const & id) {
|
|
name full_id = ns + id;
|
|
if (!env.find(full_id))
|
|
throw parser_error(sstream() << "invalid 'open' command, unknown declaration '" << full_id << "'", p.pos());
|
|
}
|
|
|
|
// add id as an abbreviation for d
|
|
static environment add_abbrev(parser & p, environment const & env, name const & id, name const & d) {
|
|
declaration decl = env.get(d);
|
|
buffer<level> ls;
|
|
for (name const & l : decl.get_univ_params())
|
|
ls.push_back(mk_param_univ(l));
|
|
expr value = mk_constant(d, to_list(ls.begin(), ls.end()));
|
|
bool opaque = false;
|
|
name const & ns = get_namespace(env);
|
|
name full_id = ns + id;
|
|
p.add_abbrev_index(full_id, d);
|
|
environment new_env =
|
|
module::add(env, check(env, mk_definition(env, full_id, decl.get_univ_params(), decl.get_type(), value, opaque)));
|
|
if (full_id != id)
|
|
new_env = add_expr_alias_rec(new_env, id, full_id);
|
|
return new_env;
|
|
}
|
|
|
|
// open/export [class] id (as id)? (id ...) (renaming id->id id->id) (hiding id ... id)
|
|
environment open_export_cmd(parser & p, bool open) {
|
|
environment env = p.env();
|
|
while (true) {
|
|
buffer<name> metacls;
|
|
parse_metaclasses(p, metacls);
|
|
bool decls = false;
|
|
if (metacls.empty() ||
|
|
std::find(metacls.begin(), metacls.end(), get_decls_tk()) != metacls.end() ||
|
|
std::find(metacls.begin(), metacls.end(), get_declarations_tk()) != metacls.end())
|
|
decls = true;
|
|
auto pos = p.pos();
|
|
name ns = p.check_id_next("invalid 'open/export' command, identifier expected");
|
|
optional<name> real_ns = to_valid_namespace_name(env, ns);
|
|
if (!real_ns)
|
|
throw parser_error(sstream() << "invalid namespace name '" << ns << "'", pos);
|
|
ns = *real_ns;
|
|
name as;
|
|
if (p.curr_is_token_or_id(get_as_tk())) {
|
|
p.next();
|
|
as = p.check_id_next("invalid 'open/export' command, identifier expected");
|
|
}
|
|
if (open)
|
|
env = using_namespace(env, p.ios(), ns, metacls);
|
|
else
|
|
env = export_namespace(env, p.ios(), ns, metacls);
|
|
if (decls) {
|
|
// Remark: we currently to not allow renaming and hiding of universe levels
|
|
buffer<name> exceptions;
|
|
bool found_explicit = false;
|
|
while (p.curr_is_token(get_lparen_tk())) {
|
|
p.next();
|
|
if (p.curr_is_token_or_id(get_renaming_tk())) {
|
|
p.next();
|
|
while (p.curr_is_identifier()) {
|
|
name from_id = p.get_name_val();
|
|
p.next();
|
|
p.check_token_next(get_arrow_tk(), "invalid 'open/export' command renaming, '->' expected");
|
|
name to_id = p.check_id_next("invalid 'open/export' command renaming, identifier expected");
|
|
check_identifier(p, env, ns, from_id);
|
|
exceptions.push_back(from_id);
|
|
if (open)
|
|
env = add_expr_alias(env, as+to_id, ns+from_id);
|
|
else
|
|
env = add_abbrev(p, env, as+to_id, ns+from_id);
|
|
}
|
|
} else if (p.curr_is_token_or_id(get_hiding_tk())) {
|
|
p.next();
|
|
while (p.curr_is_identifier()) {
|
|
name id = p.get_name_val();
|
|
p.next();
|
|
check_identifier(p, env, ns, id);
|
|
exceptions.push_back(id);
|
|
}
|
|
} else if (p.curr_is_identifier()) {
|
|
found_explicit = true;
|
|
while (p.curr_is_identifier()) {
|
|
name id = p.get_name_val();
|
|
p.next();
|
|
check_identifier(p, env, ns, id);
|
|
if (open)
|
|
env = add_expr_alias(env, as+id, ns+id);
|
|
else
|
|
env = add_abbrev(p, env, as+id, ns+id);
|
|
}
|
|
} else {
|
|
throw parser_error("invalid 'open/export' command option, "
|
|
"identifier, 'hiding' or 'renaming' expected", p.pos());
|
|
}
|
|
if (found_explicit && !exceptions.empty())
|
|
throw parser_error("invalid 'open/export' command option, "
|
|
"mixing explicit and implicit 'open/export' options", p.pos());
|
|
p.check_token_next(get_rparen_tk(), "invalid 'open/export' command option, ')' expected");
|
|
}
|
|
if (!found_explicit) {
|
|
if (open) {
|
|
env = add_aliases(env, ns, as, exceptions.size(), exceptions.data());
|
|
} else {
|
|
environment new_env = env;
|
|
env.for_each_declaration([&](declaration const & d) {
|
|
if (!is_protected(env, d.get_name()) &&
|
|
is_prefix_of(ns, d.get_name()) &&
|
|
!is_exception(d.get_name(), ns, exceptions.size(), exceptions.data())) {
|
|
name new_id = d.get_name().replace_prefix(ns, as);
|
|
if (!new_id.is_anonymous())
|
|
new_env = add_abbrev(p, new_env, new_id, d.get_name());
|
|
}
|
|
});
|
|
env = new_env;
|
|
}
|
|
}
|
|
}
|
|
if (!p.curr_is_token(get_lbracket_tk()) && !p.curr_is_identifier())
|
|
break;
|
|
}
|
|
return env;
|
|
}
|
|
environment open_cmd(parser & p) { return open_export_cmd(p, true); }
|
|
environment export_cmd(parser & p) { return open_export_cmd(p, false); }
|
|
|
|
environment erase_cache_cmd(parser & p) {
|
|
name n = p.check_id_next("invalid #erase_cache command, identifier expected");
|
|
p.erase_cached_definition(n);
|
|
return p.env();
|
|
}
|
|
|
|
environment projections_cmd(parser & p) {
|
|
name n = p.check_id_next("invalid #projections command, identifier expected");
|
|
if (p.curr_is_token(get_dcolon_tk())) {
|
|
p.next();
|
|
buffer<name> proj_names;
|
|
while (p.curr_is_identifier()) {
|
|
proj_names.push_back(n + p.get_name_val());
|
|
p.next();
|
|
}
|
|
return mk_projections(p.env(), n, proj_names);
|
|
} else {
|
|
return mk_projections(p.env(), n);
|
|
}
|
|
}
|
|
|
|
environment telescope_eq_cmd(parser & p) {
|
|
expr e; level_param_names ls;
|
|
std::tie(e, ls) = parse_local_expr(p);
|
|
buffer<expr> t;
|
|
while (is_pi(e)) {
|
|
expr local = mk_local(p.mk_fresh_name(), binding_name(e), binding_domain(e), binder_info());
|
|
t.push_back(local);
|
|
e = instantiate(binding_body(e), local);
|
|
}
|
|
auto tc = mk_type_checker(p.env(), p.mk_ngen(), true);
|
|
buffer<expr> eqs;
|
|
mk_telescopic_eq(*tc, t, eqs);
|
|
for (expr const & eq : eqs) {
|
|
regular(p.env(), p.ios()) << local_pp_name(eq) << " : " << mlocal_type(eq) << "\n";
|
|
tc->check(mlocal_type(eq), ls);
|
|
}
|
|
return p.env();
|
|
}
|
|
|
|
environment local_cmd(parser & p) {
|
|
if (p.curr_is_token_or_id(get_attribute_tk())) {
|
|
p.next();
|
|
return local_attribute_cmd(p);
|
|
} else if (p.curr_is_token(get_abbreviation_tk())) {
|
|
p.next();
|
|
return local_abbreviation_cmd(p);
|
|
} else {
|
|
return local_notation_cmd(p);
|
|
}
|
|
}
|
|
|
|
static environment help_cmd(parser & p) {
|
|
flycheck_information info(p.regular_stream());
|
|
if (info.enabled()) {
|
|
p.display_information_pos(p.cmd_pos());
|
|
p.regular_stream() << "help result:\n";
|
|
}
|
|
if (p.curr_is_token_or_id(get_options_tk())) {
|
|
p.next();
|
|
for (auto odecl : get_option_declarations()) {
|
|
auto opt = odecl.second;
|
|
regular(p.env(), p.ios())
|
|
<< " " << opt.get_name() << " (" << opt.kind() << ") "
|
|
<< opt.get_description() << " (default: " << opt.get_default_value() << ")" << endl;
|
|
}
|
|
} else if (p.curr_is_token_or_id(get_commands_tk())) {
|
|
p.next();
|
|
buffer<name> ns;
|
|
cmd_table const & cmds = p.cmds();
|
|
cmds.for_each([&](name const & n, cmd_info const &) {
|
|
ns.push_back(n);
|
|
});
|
|
std::sort(ns.begin(), ns.end());
|
|
for (name const & n : ns) {
|
|
regular(p.env(), p.ios())
|
|
<< " " << n << ": " << cmds.find(n)->get_descr() << endl;
|
|
};
|
|
} else {
|
|
p.regular_stream()
|
|
<< "help options : describe available options\n"
|
|
<< "help commands : describe available commands\n";
|
|
}
|
|
return p.env();
|
|
}
|
|
|
|
void init_cmd_table(cmd_table & r) {
|
|
add_cmd(r, cmd_info("open", "create aliases for declarations, and use objects defined in other namespaces",
|
|
open_cmd));
|
|
add_cmd(r, cmd_info("export", "create abbreviations for declarations, "
|
|
"and export objects defined in other namespaces", export_cmd));
|
|
add_cmd(r, cmd_info("set_option", "set configuration option", set_option_cmd));
|
|
add_cmd(r, cmd_info("exit", "exit", exit_cmd));
|
|
add_cmd(r, cmd_info("print", "print a string", print_cmd));
|
|
add_cmd(r, cmd_info("section", "open a new section", section_cmd));
|
|
add_cmd(r, cmd_info("context", "open a new context", context_cmd));
|
|
add_cmd(r, cmd_info("namespace", "open a new namespace", namespace_cmd));
|
|
add_cmd(r, cmd_info("end", "close the current namespace/section", end_scoped_cmd));
|
|
add_cmd(r, cmd_info("check", "type check given expression, and display its type", check_cmd));
|
|
add_cmd(r, cmd_info("eval", "evaluate given expression", eval_cmd));
|
|
add_cmd(r, cmd_info("find_decl", "find definitions and/or theorems", find_cmd));
|
|
add_cmd(r, cmd_info("local", "define local attributes or notation", local_cmd));
|
|
add_cmd(r, cmd_info("help", "brief description of available commands and options", help_cmd));
|
|
add_cmd(r, cmd_info("#erase_cache", "erase cached definition (for debugging purposes)", erase_cache_cmd));
|
|
add_cmd(r, cmd_info("#projections", "generate projections for inductive datatype (for debugging purposes)", projections_cmd));
|
|
add_cmd(r, cmd_info("#telescope_eq", "(for debugging purposes)", telescope_eq_cmd));
|
|
|
|
register_decl_cmds(r);
|
|
register_inductive_cmd(r);
|
|
register_structure_cmd(r);
|
|
register_notation_cmds(r);
|
|
register_calc_cmds(r);
|
|
register_begin_end_cmds(r);
|
|
register_tactic_hint_cmd(r);
|
|
}
|
|
|
|
static cmd_table * g_cmds = nullptr;
|
|
|
|
cmd_table get_builtin_cmds() {
|
|
return *g_cmds;
|
|
}
|
|
|
|
void initialize_builtin_cmds() {
|
|
g_cmds = new cmd_table();
|
|
init_cmd_table(*g_cmds);
|
|
}
|
|
|
|
void finalize_builtin_cmds() {
|
|
delete g_cmds;
|
|
}
|
|
}
|