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refactor(frontends/lean): add postprocess procedure and cleanup

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Leonardo de Moura 2015-06-10 15:02:43 -07:00
parent 4b91cfccff
commit ca43f6e62e
4 changed files with 24 additions and 15 deletions
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27
src/frontends/lean/decl_cmds.cpp
View file

@ -29,7 +29,6 @@ Author: Leonardo de Moura
#include "library/abbreviation.h"
#include "library/relation_manager.h"
#include "library/user_recursors.h"
#include "library/unfold_macros.h"
#include "library/simplifier/rewrite_rule_set.h"
#include "library/definitional/equations.h"
#include "library/error_handling/error_handling.h"
@ -147,7 +146,7 @@ static environment declare_var(parser & p, environment env,
lean_assert(k == variable_kind::Constant || k == variable_kind::Axiom);
name const & ns = get_namespace(env);
name full_n = ns + n;
expr new_type = expand_abbreviations(env, unfold_untrusted_macros(env, type));
expr new_type = postprocess(env, type);
if (k == variable_kind::Axiom) {
env = module::add(env, check(env, mk_axiom(full_n, ls, new_type)));
p.add_decl_index(full_n, pos, get_axiom_tk(), new_type);
@ -1090,8 +1089,8 @@ class definition_cmd_fn {
level_param_names c_ls; expr c_type, c_value;
std::tie(c_ls, c_type, c_value) = *it;
// cache may have been created using a different trust level
c_type = expand_abbreviations(m_env, unfold_untrusted_macros(m_env, c_type));
c_value = expand_abbreviations(m_env, unfold_untrusted_macros(m_env, c_value));
c_type = postprocess(m_env, c_type);
c_value = postprocess(m_env, c_value);
if (m_kind == Theorem) {
cd = check(mk_theorem(m_env, m_real_name, c_ls, c_type, c_value));
if (m_p.keep_new_thms()) {
@ -1211,11 +1210,11 @@ class definition_cmd_fn {
lean_assert(aux_values.size() == m_aux_types.size());
if (aux_values.size() != m_real_aux_names.size())
throw exception("invalid declaration, failed to compile auxiliary declarations");
m_type = expand_abbreviations(m_env, unfold_untrusted_macros(m_env, m_type));
m_value = expand_abbreviations(m_env, unfold_untrusted_macros(m_env, m_value));
m_type = postprocess(m_env, m_type);
m_value = postprocess(m_env, m_value);
for (unsigned i = 0; i < aux_values.size(); i++) {
m_aux_types[i] = expand_abbreviations(m_env, unfold_untrusted_macros(m_env, m_aux_types[i]));
aux_values[i] = expand_abbreviations(m_env, unfold_untrusted_macros(m_env, aux_values[i]));
m_aux_types[i] = postprocess(m_env, m_aux_types[i]);
aux_values[i] = postprocess(m_env, aux_values[i]);
}
if (is_definition()) {
m_env = module::add(m_env, check(mk_definition(m_env, m_real_name, new_ls, m_type, m_value)));
@ -1245,7 +1244,7 @@ class definition_cmd_fn {
std::tie(m_type, new_ls) = elaborate_type(m_type);
check_no_metavar(m_env, m_real_name, m_type, true);
m_ls = append(m_ls, new_ls);
m_type = expand_abbreviations(m_env, unfold_untrusted_macros(m_env, m_type));
m_type = postprocess(m_env, m_type);
expr type_as_is = m_p.save_pos(mk_as_is(m_type), type_pos);
if (!m_p.collecting_info() && m_kind == Theorem && m_p.num_threads() > 1) {
// Add as axiom, and create a task to prove the theorem.
@ -1254,8 +1253,8 @@ class definition_cmd_fn {
m_env = module::add(m_env, check(mk_axiom(m_real_name, m_ls, m_type)));
} else {
std::tie(m_type, m_value, new_ls) = elaborate_definition(type_as_is, m_value);
m_type = expand_abbreviations(m_env, unfold_untrusted_macros(m_env, m_type));
m_value = expand_abbreviations(m_env, unfold_untrusted_macros(m_env, m_value));
m_type = postprocess(m_env, m_type);
m_value = postprocess(m_env, m_value);
new_ls = append(m_ls, new_ls);
auto cd = check(mk_theorem(m_env, m_real_name, new_ls, m_type, m_value));
if (m_kind == Theorem) {
@ -1271,8 +1270,8 @@ class definition_cmd_fn {
} else {
std::tie(m_type, m_value, new_ls) = elaborate_definition(m_type, m_value);
new_ls = append(m_ls, new_ls);
m_type = expand_abbreviations(m_env, unfold_untrusted_macros(m_env, m_type));
m_value = expand_abbreviations(m_env, unfold_untrusted_macros(m_env, m_value));
m_type = postprocess(m_env, m_type);
m_value = postprocess(m_env, m_value);
m_env = module::add(m_env, check(mk_definition(m_env, m_real_name, new_ls, m_type, m_value)));
m_p.cache_definition(m_real_name, pre_type, pre_value, new_ls, m_type, m_value);
}
@ -1297,7 +1296,7 @@ class definition_cmd_fn {
std::tie(m_type, new_ls) = elaborate_type(m_type);
check_no_metavar(m_env, m_real_name, m_type, true);
m_ls = append(m_ls, new_ls);
m_type = expand_abbreviations(m_env, unfold_untrusted_macros(m_env, m_type));
m_type = postprocess(m_env, m_type);
m_env = module::add(m_env, check(mk_axiom(m_real_name, m_ls, m_type)));
register_decl(m_name, m_real_name, m_type);
}

3
src/frontends/lean/theorem_queue.cpp
View file

@ -10,6 +10,7 @@ Author: Leonardo de Moura
#include "kernel/type_checker.h"
#include "frontends/lean/theorem_queue.h"
#include "frontends/lean/parser.h"
#include "frontends/lean/util.h"
namespace lean {
void theorem_queue::init_queue() {
@ -30,7 +31,7 @@ void theorem_queue::add(environment const & env, name const & n, level_param_nam
expr type, value;
std::tie(type, value, new_ls) = m_parser.elaborate_definition_at(env, lls, n, t, v);
new_ls = append(ls, new_ls);
value = expand_abbreviations(env, unfold_untrusted_macros(env, value));
value = postprocess(env, value);
auto r = check(env, mk_theorem(env, n, new_ls, type, value));
m_parser.cache_definition(n, t, v, new_ls, type, value);
return r;

6
src/frontends/lean/util.cpp
View file

@ -16,6 +16,8 @@ Author: Leonardo de Moura
#include "library/explicit.h"
#include "library/aliases.h"
#include "library/placeholder.h"
#include "library/abbreviation.h"
#include "library/unfold_macros.h"
#include "library/replace_visitor.h"
#include "library/tactic/expr_to_tactic.h"
#include "frontends/lean/parser.h"
@ -446,4 +448,8 @@ char const * close_binder_string(binder_info const & bi, bool unicode) {
else if (bi.is_strict_implicit() && !unicode) return "}}";
else return ")";
}
expr postprocess(environment const & env, expr const & e) {
return expand_abbreviations(env, unfold_untrusted_macros(env, e));
}
}

3
src/frontends/lean/util.h
View file

@ -106,4 +106,7 @@ name get_priority_namespace();
char const * open_binder_string(binder_info const & bi, bool unicode);
char const * close_binder_string(binder_info const & bi, bool unicode);
/** \brief Cleanup expression after elaboration. */
expr postprocess(environment const & env, expr const & e);
}