32 lines
913 B
C
32 lines
913 B
C
|
/*
|
||
|
|
Copyright (c) 2013 Microsoft Corporation. All rights reserved.
|
||
|
|
Released under Apache 2.0 license as described in the file LICENSE.
|
||
|
|
|
||
|
|
Author: Leonardo de Moura
|
||
|
|
*/
|
||
|
|
#pragma once
|
||
|
|
#include "metavar_env.h"
|
||
|
|
|
||
|
|
namespace lean {
|
||
|
|
/**
|
||
|
|
\brief Expression elaborator, it is responsible for "filling" holes
|
||
|
|
in terms left by the user. This is the main module resposible for computing
|
||
|
|
the value of implicit arguments.
|
||
|
|
*/
|
||
|
|
class elaborator {
|
||
|
|
environment & m_env;
|
||
|
|
metavar_env m_metaenv;
|
||
|
|
|
||
|
|
expr lookup(context const & c, unsigned i);
|
||
|
|
void unify(expr const & e1, expr const & e2, context const & ctx);
|
||
|
|
expr check_pi(expr const & e, context const & ctx);
|
||
|
|
level check_universe(expr const & e, context const & ctx);
|
||
|
|
expr process(expr const & e, context const & ctx);
|
||
|
|
|
||
|
|
public:
|
||
|
|
elaborator(environment & env);
|
||
|
|
metavar_env & menv() { return m_metaenv; }
|
||
|
|
expr operator()(expr const & e);
|
||
|
|
};
|
||
|
|
}
|