lean4-htt/library/init/meta/declaration.lean
2016-09-04 18:09:10 -07:00

47 lines
2 KiB
Text

/-
Copyright (c) 2016 Microsoft Corporation. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Authors: Leonardo de Moura
-/
prelude
import init.meta.expr init.meta.name
inductive reducibility_hints
| opaque : reducibility_hints
| abbrev : reducibility_hints
| regular : nat → bool → reducibility_hints
/- Reflect a C++ declaration object. The VM replaces it with the C++ implementation. -/
inductive declaration
/- definition: name, list universe parameters, type, value, is_trusted -/
| defn : name → list name → expr → expr → reducibility_hints → bool → declaration
/- theorem: name, list universe parameters, type, value (remark: theorems are always trusted) -/
| thm : name → list name → expr → expr → declaration
/- constant assumption: name, list universe parameters, type, is_trusted -/
| cnst : name → list name → expr → bool → declaration
/- axiom : name → list universe parameters, type (remark: axioms are always trusted) -/
| ax : name → list name → expr → declaration
definition declaration.to_name : declaration → name
| (declaration.defn n ls t v h tr) := n
| (declaration.thm n ls t v) := n
| (declaration.cnst n ls t tr) := n
| (declaration.ax n ls t) := n
definition declaration.univ_params : declaration → list name
| (declaration.defn n ls t v h tr) := ls
| (declaration.thm n ls t v) := ls
| (declaration.cnst n ls t tr) := ls
| (declaration.ax n ls t) := ls
definition declaration.type : declaration → expr
| (declaration.defn n ls t v h tr) := t
| (declaration.thm n ls t v) := t
| (declaration.cnst n ls t tr) := t
| (declaration.ax n ls t) := t
/- Instantiate a universe polymorphic declaration type with the given universes. -/
meta_constant declaration.instantiate_type_univ_params : declaration → list level → option expr
/- Instantiate a universe polymorphic declaration value with the given universes. -/
meta_constant declaration.instantiate_value_univ_params : declaration → list level → option expr