647 lines
25 KiB
C++
647 lines
25 KiB
C++
/*
|
|
Copyright (c) 2014-2015 Microsoft Corporation. All rights reserved.
|
|
Released under Apache 2.0 license as described in the file LICENSE.
|
|
|
|
Author: Leonardo de Moura
|
|
*/
|
|
#include <algorithm>
|
|
#include <string>
|
|
#include "library/eval_helper.h"
|
|
#include "util/timeit.h"
|
|
#include "util/sstream.h"
|
|
#include "util/sexpr/option_declarations.h"
|
|
#include "kernel/type_checker.h"
|
|
#include "kernel/replace_fn.h"
|
|
#include "kernel/find_fn.h"
|
|
#include "kernel/instantiate.h"
|
|
#include "kernel/abstract.h"
|
|
#include "library/scoped_ext.h"
|
|
#include "library/trace.h"
|
|
#include "library/aliases.h"
|
|
#include "library/export_decl.h"
|
|
#include "library/protected.h"
|
|
#include "library/constants.h"
|
|
#include "library/normalize.h"
|
|
#include "library/app_builder.h"
|
|
#include "library/class.h"
|
|
#include "library/user_recursors.h"
|
|
#include "library/pp_options.h"
|
|
#include "library/attribute_manager.h"
|
|
#include "library/aux_recursors.h"
|
|
#include "library/private.h"
|
|
#include "library/type_context.h"
|
|
#include "library/reducible.h"
|
|
#include "library/typed_expr.h"
|
|
#include "library/documentation.h"
|
|
#include "library/placeholder.h"
|
|
#include "library/vm/vm.h"
|
|
#include "library/vm/vm_io.h"
|
|
#include "library/vm/vm_string.h"
|
|
#include "library/compiler/vm_compiler.h"
|
|
#include "library/tactic/kabstract.h"
|
|
#include "library/tactic/elaborate.h"
|
|
#include "library/tactic/tactic_state.h"
|
|
#include "frontends/lean/util.h"
|
|
#include "frontends/lean/parser.h"
|
|
#include "frontends/lean/calc.h"
|
|
#include "frontends/lean/notation_cmd.h"
|
|
#include "frontends/lean/elaborator.h"
|
|
#include "frontends/lean/inductive_cmds.h"
|
|
#include "frontends/lean/structure_cmd.h"
|
|
#include "frontends/lean/print_cmd.h"
|
|
#include "frontends/lean/decl_cmds.h"
|
|
#include "frontends/lean/tokens.h"
|
|
#include "frontends/lean/parse_table.h"
|
|
#include "frontends/lean/decl_attributes.h"
|
|
|
|
namespace lean {
|
|
environment section_cmd(parser & p) {
|
|
name n;
|
|
if (p.curr_is_identifier())
|
|
n = p.check_atomic_id_next("invalid section, atomic identifier expected");
|
|
p.push_local_scope();
|
|
return push_scope(p.env(), p.ios(), scope_kind::Section, n);
|
|
}
|
|
|
|
// Execute open command
|
|
environment execute_open(environment env, io_state const & ios, export_decl const & edecl);
|
|
|
|
environment replay_export_decls_core(environment env, io_state const & ios, unsigned old_sz) {
|
|
list<export_decl> new_export_decls = get_active_export_decls(env);
|
|
unsigned new_sz = length(new_export_decls);
|
|
lean_assert(new_sz >= old_sz);
|
|
unsigned i = 0;
|
|
for (export_decl const & d : new_export_decls) {
|
|
if (i >= new_sz - old_sz)
|
|
break;
|
|
env = execute_open(env, ios, d);
|
|
i++;
|
|
}
|
|
return env;
|
|
}
|
|
|
|
environment replay_export_decls_core(environment env, io_state const & ios) {
|
|
return replay_export_decls_core(env, ios, 0);
|
|
}
|
|
|
|
environment execute_open(environment env, io_state const & ios, export_decl const & edecl) {
|
|
unsigned fingerprint = 0;
|
|
name const & ns = edecl.m_ns;
|
|
fingerprint = hash(fingerprint, ns.hash());
|
|
unsigned old_export_decls_sz = length(get_active_export_decls(env));
|
|
env = activate_export_decls(env, ns);
|
|
for (auto const & p : edecl.m_renames) {
|
|
fingerprint = hash(hash(fingerprint, p.first.hash()), p.second.hash());
|
|
env = add_expr_alias(env, p.first, p.second);
|
|
}
|
|
for (auto const & n : edecl.m_except_names) {
|
|
fingerprint = hash(fingerprint, n.hash());
|
|
}
|
|
if (!edecl.m_had_explicit) {
|
|
buffer<name> except_names;
|
|
to_buffer(edecl.m_except_names, except_names);
|
|
env = add_aliases(env, ns, edecl.m_as, except_names.size(), except_names.data());
|
|
}
|
|
env = update_fingerprint(env, fingerprint);
|
|
return replay_export_decls_core(env, ios, old_export_decls_sz);
|
|
}
|
|
|
|
environment namespace_cmd(parser & p) {
|
|
name n = p.check_decl_id_next("invalid namespace declaration, identifier expected");
|
|
p.push_local_scope();
|
|
unsigned old_export_decls_sz = length(get_active_export_decls(p.env()));
|
|
environment env = push_scope(p.env(), p.ios(), scope_kind::Namespace, n);
|
|
env = activate_export_decls(env, get_namespace(env));
|
|
return replay_export_decls_core(env, p.ios(), old_export_decls_sz);
|
|
}
|
|
|
|
static environment redeclare_aliases(environment env, parser & p,
|
|
local_level_decls old_level_decls,
|
|
list<pair<name, expr>> old_entries) {
|
|
environment const & old_env = p.env();
|
|
if (!in_section(old_env))
|
|
return env;
|
|
list<pair<name, expr>> new_entries = p.get_local_entries();
|
|
buffer<pair<name, expr>> to_redeclare;
|
|
unsigned new_len = length(new_entries);
|
|
unsigned old_len = length(old_entries);
|
|
lean_assert(old_len >= new_len);
|
|
name_set popped_locals;
|
|
while (old_len > new_len) {
|
|
pair<name, expr> entry = head(old_entries);
|
|
if (is_local_ref(entry.second))
|
|
to_redeclare.push_back(entry);
|
|
else if (is_local(entry.second))
|
|
popped_locals.insert(mlocal_name(entry.second));
|
|
old_entries = tail(old_entries);
|
|
old_len--;
|
|
}
|
|
name_set popped_levels;
|
|
local_level_decls level_decls = p.get_local_level_decls();
|
|
old_level_decls.for_each([&](name const & n, level const & l) {
|
|
if (is_param(l) && !is_placeholder(l) && !level_decls.contains(n))
|
|
popped_levels.insert(param_id(l));
|
|
});
|
|
for (auto const & entry : to_redeclare) {
|
|
expr new_ref = update_local_ref(entry.second, popped_levels, popped_locals);
|
|
if (!is_constant(new_ref))
|
|
env = p.add_local_ref(env, entry.first, new_ref);
|
|
}
|
|
return env;
|
|
}
|
|
|
|
environment end_scoped_cmd(parser & p) {
|
|
local_level_decls level_decls = p.get_local_level_decls();
|
|
list<pair<name, expr>> entries = p.get_local_entries();
|
|
if (!p.has_local_scopes()) {
|
|
throw exception("invalid 'end', there is no open namespace/section");
|
|
}
|
|
p.pop_local_scope();
|
|
try {
|
|
p.check_break_before();
|
|
if (p.curr_is_identifier()) {
|
|
name n;
|
|
n = p.check_id_next("invalid end of scope, identifier expected");
|
|
environment env = pop_scope(p.env(), p.ios(), n);
|
|
return redeclare_aliases(env, p, level_decls, entries);
|
|
} else {
|
|
environment env = pop_scope(p.env(), p.ios());
|
|
return redeclare_aliases(env, p, level_decls, entries);
|
|
}
|
|
} catch (break_at_pos_exception & ex) {
|
|
if (p.get_complete()) {
|
|
if (auto n = get_scope_header(p.env())) {
|
|
ex.m_token_info.m_context = break_at_pos_exception::token_context::single_completion;
|
|
ex.m_token_info.m_param = n;
|
|
}
|
|
}
|
|
throw;
|
|
}
|
|
}
|
|
|
|
/* Auxiliary class to setup private naming scope for transient commands such as #check/#reduce/#eval and run_cmd */
|
|
class transient_cmd_scope {
|
|
environment m_env;
|
|
private_name_scope m_prv_scope;
|
|
public:
|
|
transient_cmd_scope(parser & p):
|
|
m_env(p.env()),
|
|
m_prv_scope(true, m_env) {
|
|
p.set_env(m_env);
|
|
}
|
|
};
|
|
|
|
environment check_cmd(parser & p) {
|
|
expr e; level_param_names ls;
|
|
transient_cmd_scope cmd_scope(p);
|
|
std::tie(e, ls) = parse_local_expr(p, "_check");
|
|
type_checker tc(p.env(), true, false);
|
|
expr type = tc.check(e, ls);
|
|
if (is_synthetic_sorry(e) && (is_synthetic_sorry(type) || is_metavar(type))) {
|
|
// do not show useless type-checking results such as ?? : ?M_1
|
|
return p.env();
|
|
}
|
|
auto out = p.mk_message(p.cmd_pos(), p.pos(), INFORMATION);
|
|
formatter fmt = out.get_formatter();
|
|
unsigned indent = get_pp_indent(p.get_options());
|
|
format e_fmt = fmt(e);
|
|
format type_fmt = fmt(type);
|
|
format r = group(e_fmt + space() + colon() + nest(indent, line() + type_fmt));
|
|
out.set_caption("check result") << r;
|
|
out.report();
|
|
return p.env();
|
|
}
|
|
|
|
environment reduce_cmd(parser & p) {
|
|
transient_cmd_scope cmd_scope(p);
|
|
bool whnf = false;
|
|
if (p.curr_is_token(get_whnf_tk())) {
|
|
p.next();
|
|
whnf = true;
|
|
}
|
|
expr e; level_param_names ls;
|
|
std::tie(e, ls) = parse_local_expr(p, "_reduce");
|
|
expr r;
|
|
type_context_old ctx(p.env(), p.get_options(), metavar_context(), local_context(), transparency_mode::All);
|
|
if (whnf) {
|
|
r = ctx.whnf(e);
|
|
} else {
|
|
bool eta = false;
|
|
r = normalize(ctx, e, eta);
|
|
}
|
|
auto out = p.mk_message(p.cmd_pos(), p.pos(), INFORMATION);
|
|
out.set_caption("reduce result") << r;
|
|
out.report();
|
|
return p.env();
|
|
}
|
|
|
|
environment exit_cmd(parser & p) {
|
|
(p.mk_message(p.cmd_pos(), WARNING) << "using 'exit' to interrupt Lean").report();
|
|
throw interrupt_parser();
|
|
}
|
|
|
|
environment set_option_cmd(parser & p) {
|
|
auto id_kind = parse_option_name(p, "invalid set option, identifier (i.e., option name) expected");
|
|
name id = id_kind.first;
|
|
option_kind k = id_kind.second;
|
|
if (k == BoolOption) {
|
|
if (p.curr_is_token_or_id(get_true_tk()))
|
|
p.set_option(id, true);
|
|
else if (p.curr_is_token_or_id(get_false_tk()))
|
|
p.set_option(id, false);
|
|
else
|
|
throw parser_error("invalid Boolean option value, 'true' or 'false' expected", p.pos());
|
|
p.next();
|
|
} else if (k == StringOption) {
|
|
if (!p.curr_is_string())
|
|
throw parser_error("invalid option value, given option is not a string", p.pos());
|
|
p.set_option(id, p.get_str_val());
|
|
p.next();
|
|
} else if (k == DoubleOption) {
|
|
p.set_option(id, p.parse_double());
|
|
} else if (k == UnsignedOption || k == IntOption) {
|
|
p.set_option(id, p.parse_small_nat());
|
|
} else {
|
|
throw parser_error("invalid option value, 'true', 'false', string, integer or decimal value expected", p.pos());
|
|
}
|
|
environment env = p.env();
|
|
return update_fingerprint(env, p.get_options().hash());
|
|
}
|
|
|
|
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());
|
|
}
|
|
|
|
// open/export 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) {
|
|
auto pos = p.pos();
|
|
name ns = p.check_id_next("invalid 'open/export' command, identifier expected",
|
|
break_at_pos_exception::token_context::namespc);
|
|
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");
|
|
}
|
|
buffer<name> exception_names;
|
|
buffer<pair<name, name>> renames;
|
|
bool found_explicit = false;
|
|
// Remark: we currently to not allow renaming and hiding of universe levels
|
|
env = mark_namespace_as_open(env, ns);
|
|
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);
|
|
exception_names.push_back(from_id);
|
|
renames.emplace_back(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);
|
|
exception_names.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);
|
|
renames.emplace_back(as+id, ns+id);
|
|
}
|
|
} else {
|
|
throw parser_error("invalid 'open/export' command option, "
|
|
"identifier, 'hiding' or 'renaming' expected", p.pos());
|
|
}
|
|
if (found_explicit && !exception_names.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");
|
|
}
|
|
export_decl edecl(ns, as, found_explicit, renames, exception_names);
|
|
env = execute_open(env, p.ios(), edecl);
|
|
if (!open) {
|
|
env = add_export_decl(env, edecl);
|
|
}
|
|
if (!p.curr_is_identifier())
|
|
break;
|
|
}
|
|
return env;
|
|
}
|
|
static environment open_cmd(parser & p) { return open_export_cmd(p, true); }
|
|
static environment export_cmd(parser & p) { return open_export_cmd(p, false); }
|
|
|
|
static environment local_cmd(parser & p) {
|
|
if (p.curr_is_token_or_id(get_attribute_tk())) {
|
|
p.next();
|
|
return local_attribute_cmd(p);
|
|
} else {
|
|
return local_notation_cmd(p);
|
|
}
|
|
}
|
|
|
|
static environment help_cmd(parser & p) {
|
|
auto rep = p.mk_message(p.cmd_pos(), INFORMATION);
|
|
if (p.curr_is_token_or_id(get_options_tk())) {
|
|
p.next();
|
|
rep.set_end_pos(p.pos());
|
|
auto decls = get_option_declarations();
|
|
decls.for_each([&](name const &, option_declaration const & opt) {
|
|
rep << " " << opt.get_name() << " (" << opt.kind() << ") "
|
|
<< opt.get_description() << " (default: " << opt.get_default_value() << ")\n";
|
|
});
|
|
} 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());
|
|
rep.set_end_pos(p.pos());
|
|
for (name const & n : ns) {
|
|
rep << " " << n << ": " << cmds.find(n)->get_descr() << "\n";
|
|
};
|
|
} else {
|
|
rep << "help options : describe available options\n"
|
|
<< "help commands : describe available commands\n";
|
|
}
|
|
rep.report();
|
|
return p.env();
|
|
}
|
|
|
|
static environment init_quotient_cmd(parser & p) {
|
|
return module::declare_quotient(p.env());
|
|
}
|
|
|
|
/*
|
|
Temporary procedure that converts metavariables in \c e to metavar_context metavariables.
|
|
After we convert the frontend to type_context_old, we will not need to use this procedure.
|
|
*/
|
|
static expr convert_metavars(metavar_context & mctx, expr const & e) {
|
|
expr_map<expr> cache;
|
|
|
|
std::function<expr(expr const & e)> convert = [&](expr const & e) {
|
|
return replace(e, [&](expr const e, unsigned) {
|
|
if (is_metavar(e)) {
|
|
auto it = cache.find(e);
|
|
if (it != cache.end())
|
|
return some_expr(it->second);
|
|
expr m = mctx.mk_metavar_decl(local_context(), convert(mlocal_type(e)));
|
|
cache.insert(mk_pair(e, m));
|
|
return some_expr(m);
|
|
} else {
|
|
return none_expr();
|
|
}
|
|
});
|
|
};
|
|
return convert(e);
|
|
}
|
|
|
|
static environment unify_cmd(parser & p) {
|
|
transient_cmd_scope cmd_scope(p);
|
|
environment const & env = p.env();
|
|
expr e1; level_param_names ls1;
|
|
std::tie(e1, ls1) = parse_local_expr(p, "_unify");
|
|
p.check_token_next(get_comma_tk(), "invalid #unify command, proper usage \"#unify e1, e2\"");
|
|
expr e2; level_param_names ls2;
|
|
std::tie(e2, ls2) = parse_local_expr(p, "_unify");
|
|
metavar_context mctx;
|
|
local_context lctx;
|
|
e1 = convert_metavars(mctx, e1);
|
|
e2 = convert_metavars(mctx, e2);
|
|
auto rep = p.mk_message(p.cmd_pos(), p.pos(), INFORMATION);
|
|
rep << e1 << " =?= " << e2 << "\n";
|
|
type_context_old ctx(env, p.get_options(), mctx, lctx, transparency_mode::Semireducible);
|
|
bool success = ctx.is_def_eq(e1, e2);
|
|
if (success)
|
|
rep << ctx.instantiate_mvars(e1) << " =?= " << ctx.instantiate_mvars(e2) << "\n";
|
|
rep << (success ? "unification successful" : "unification failed");
|
|
rep.report();
|
|
return env;
|
|
}
|
|
|
|
static environment compile_cmd(parser & p) {
|
|
auto pos = p.pos();
|
|
name n = p.check_constant_next("invalid #compile command, constant expected");
|
|
declaration d = p.env().get(n);
|
|
if (!d.is_definition())
|
|
throw parser_error("invalid #compile command, declaration is not a definition", pos);
|
|
return vm_compile(p.env(), d);
|
|
}
|
|
|
|
static environment eval_cmd(parser & p) {
|
|
transient_cmd_scope cmd_scope(p);
|
|
auto pos = p.pos();
|
|
expr e; level_param_names ls;
|
|
std::tie(e, ls) = parse_local_expr(p, "_eval", /* relaxed */ false);
|
|
if (has_synthetic_sorry(e))
|
|
return p.env();
|
|
|
|
type_context_old tc(p.env(), transparency_mode::All);
|
|
auto type = tc.infer(e);
|
|
bool has_repr_inst = false;
|
|
|
|
/* Check if resultant type has an instance of has_repr */
|
|
try {
|
|
expr has_repr_type = mk_app(tc, get_has_repr_name(), type);
|
|
optional<expr> repr_instance = tc.mk_class_instance(has_repr_type);
|
|
if (repr_instance) {
|
|
/* Modify the 'program' to (repr e) */
|
|
e = mk_app(tc, get_repr_name(), type, *repr_instance, e);
|
|
type = tc.infer(e);
|
|
has_repr_inst = true;
|
|
}
|
|
} catch (exception &) {}
|
|
|
|
// Close under locals
|
|
collected_locals locals;
|
|
collect_locals(e, locals);
|
|
for (auto & l : locals.get_collected()) {
|
|
e = Fun(l, e);
|
|
type = Pi(l, type);
|
|
}
|
|
|
|
name fn_name = "_main";
|
|
auto new_env = compile_expr(p.env(), fn_name, ls, type, e, pos);
|
|
|
|
auto out = p.mk_message(p.cmd_pos(), p.pos(), INFORMATION);
|
|
out.set_caption("eval result");
|
|
scope_traces_as_messages scope_traces(p.get_stream_name(), p.cmd_pos());
|
|
bool should_report = false;
|
|
|
|
auto run = [&] {
|
|
eval_helper fn(new_env, p.get_options(), fn_name);
|
|
try {
|
|
if (!fn.try_exec()) {
|
|
auto r = fn.invoke_fn();
|
|
should_report = true;
|
|
if (!has_repr_inst) {
|
|
(p.mk_message(p.cmd_pos(), WARNING) << "result type does not have an instance of type class 'has_repr', dumping internal representation").report();
|
|
}
|
|
if (is_constant(fn.get_type(), get_string_name())) {
|
|
out << to_string(r);
|
|
} else {
|
|
display(out.get_text_stream().get_stream(), r);
|
|
}
|
|
}
|
|
} catch (throwable & t) {
|
|
p.mk_message(p.cmd_pos(), ERROR).set_exception(t).report();
|
|
}
|
|
if (fn.get_profiler().enabled()) {
|
|
if (fn.get_profiler().get_snapshots().display("#eval", p.get_options(), out.get_text_stream().get_stream()))
|
|
should_report = true;
|
|
}
|
|
};
|
|
|
|
if (p.profiling()) {
|
|
timeit timer(out.get_text_stream().get_stream(), "eval time");
|
|
run();
|
|
should_report = true;
|
|
} else {
|
|
run();
|
|
}
|
|
|
|
if (should_report) out.report();
|
|
|
|
return p.env();
|
|
}
|
|
|
|
struct declare_trace_modification : public modification {
|
|
LEAN_MODIFICATION("decl_trace")
|
|
|
|
name m_cls;
|
|
|
|
declare_trace_modification(name const & cls) : m_cls(cls) {}
|
|
declare_trace_modification() {}
|
|
|
|
void perform(environment &) const override {
|
|
// TODO(gabriel): this is just fundamentally wrong
|
|
register_trace_class(m_cls);
|
|
}
|
|
|
|
void serialize(serializer & s) const override {
|
|
s << m_cls;
|
|
}
|
|
|
|
static std::shared_ptr<modification const> deserialize(deserializer & d) {
|
|
return std::make_shared<declare_trace_modification>(read_name(d));
|
|
}
|
|
};
|
|
|
|
environment declare_trace_cmd(parser & p) {
|
|
name cls = p.check_id_next("invalid declare_trace command, identifier expected");
|
|
return module::add_and_perform(p.env(), std::make_shared<declare_trace_modification>(cls));
|
|
}
|
|
|
|
environment add_key_equivalence_cmd(parser & p) {
|
|
name h1 = p.check_constant_next("invalid add_key_equivalence command, constant expected");
|
|
name h2 = p.check_constant_next("invalid add_key_equivalence command, constant expected");
|
|
return add_key_equivalence(p.env(), h1, h2);
|
|
}
|
|
|
|
static environment run_command_cmd(parser & p) {
|
|
transient_cmd_scope cmd_scope(p);
|
|
module::scope_pos_info scope_pos(p.pos());
|
|
environment env = p.env();
|
|
options opts = p.get_options();
|
|
metavar_context mctx;
|
|
expr tactic = p.parse_expr();
|
|
expr try_triv = mk_app(mk_constant(get_tactic_try_name()), mk_constant(get_tactic_triv_name()));
|
|
tactic = mk_app(mk_constant(get_has_bind_and_then_name()), tactic, try_triv);
|
|
expr val = mk_typed_expr(mk_true(), mk_by(tactic));
|
|
bool check_unassigned = false;
|
|
bool recover_from_errors = true;
|
|
elaborate(env, opts, "_run_command", mctx, local_context(), val, check_unassigned, recover_from_errors);
|
|
return env;
|
|
}
|
|
|
|
environment import_cmd(parser & p) {
|
|
throw parser_error("invalid 'import' command, it must be used in the beginning of the file", p.cmd_pos());
|
|
}
|
|
|
|
environment hide_cmd(parser & p) {
|
|
buffer<name> ids;
|
|
while (p.curr_is_identifier()) {
|
|
name id = p.get_name_val();
|
|
p.next();
|
|
ids.push_back(id);
|
|
}
|
|
if (ids.empty())
|
|
throw parser_error("invalid 'hide' command, identifier expected", p.cmd_pos());
|
|
environment new_env = p.env();
|
|
for (name id : ids) {
|
|
if (get_expr_aliases(new_env, id)) {
|
|
new_env = erase_expr_aliases(new_env, id);
|
|
} else {
|
|
/* TODO(Leo): check if `id` is a declaration and hide it too. */
|
|
throw parser_error(sstream() << "invalid 'hide' command, '" << id << "' is not an alias",
|
|
p.cmd_pos());
|
|
}
|
|
}
|
|
return new_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 aliases for declarations", 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 or information about an indentifier", print_cmd));
|
|
add_cmd(r, cmd_info("section", "open a new section", section_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("#reduce", "reduce given expression", reduce_cmd));
|
|
add_cmd(r, cmd_info("#eval", "evaluate given expression using VM", eval_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("init_quotient", "initialize quotient type computational rules", init_quotient_cmd));
|
|
add_cmd(r, cmd_info("declare_trace", "declare a new trace class (for debugging Lean tactics)", declare_trace_cmd));
|
|
add_cmd(r, cmd_info("add_key_equivalence", "register that to symbols are equivalence for key-matching", add_key_equivalence_cmd));
|
|
add_cmd(r, cmd_info("run_cmd", "execute an user defined command at top-level", run_command_cmd));
|
|
add_cmd(r, cmd_info("import", "import module(s)", import_cmd));
|
|
add_cmd(r, cmd_info("hide", "hide aliases in the current scope", hide_cmd));
|
|
add_cmd(r, cmd_info("#unify", "(for debugging purposes)", unify_cmd));
|
|
add_cmd(r, cmd_info("#compile", "(for debugging purposes)", compile_cmd));
|
|
|
|
register_decl_cmds(r);
|
|
register_inductive_cmds(r);
|
|
register_structure_cmd(r);
|
|
register_notation_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);
|
|
declare_trace_modification::init();
|
|
}
|
|
|
|
void finalize_builtin_cmds() {
|
|
declare_trace_modification::finalize();
|
|
delete g_cmds;
|
|
}
|
|
}
|