55 lines
1.9 KiB
C++
55 lines
1.9 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 "util/interrupt.h"
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#include "util/lbool.h"
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#include "kernel/converter.h"
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#include "kernel/expr_maps.h"
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#include "kernel/instantiate.h"
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#include "kernel/free_vars.h"
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#include "kernel/type_checker.h"
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#include "kernel/default_converter.h"
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namespace lean {
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static no_delayed_justification * g_no_delayed_jst = nullptr;
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pair<bool, constraint_seq> converter::is_def_eq(expr const & t, expr const & s, type_checker & c) {
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return is_def_eq(t, s, c, *g_no_delayed_jst);
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}
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name converter::mk_fresh_name(type_checker & tc) { return tc.mk_fresh_name(); }
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pair<expr, constraint_seq> converter::infer_type(type_checker & tc, expr const & e) { return tc.infer_type(e); }
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extension_context & converter::get_extension(type_checker & tc) { return tc.get_extension(); }
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/** \brief Do nothing converter */
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struct dummy_converter : public converter {
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virtual pair<expr, constraint_seq> whnf(expr const & e, type_checker &) {
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return mk_pair(e, constraint_seq());
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}
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virtual pair<bool, constraint_seq> is_def_eq(expr const &, expr const &, type_checker &, delayed_justification &) {
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return mk_pair(true, constraint_seq());
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}
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virtual optional<module_idx> get_module_idx() const { return optional<module_idx>(); }
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virtual bool is_opaque(declaration const &) const { return false; }
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virtual optional<declaration> is_delta(expr const &) const { return optional<declaration>(); }
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virtual bool is_stuck(expr const &, type_checker &) { return false; }
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};
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std::unique_ptr<converter> mk_dummy_converter() {
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return std::unique_ptr<converter>(new dummy_converter());
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}
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void initialize_converter() {
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g_no_delayed_jst = new no_delayed_justification();
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}
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void finalize_converter() {
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delete g_no_delayed_jst;
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}
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}
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