lean2/src/library/error_handling/error_handling.h
Leonardo de Moura ffa175009b feat(frontends/lean): use tactics for solving unassigned metavariables
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-06-29 09:50:16 -07:00

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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 "util/exception.h"
#include "kernel/pos_info_provider.h"
#include "library/io_state_stream.h"
namespace lean {
/**
\brief Display position information associated with \c e (IF avaiable).
If it is not available, it just displays "error:"
*/
void display_error_pos(io_state_stream const & ios, pos_info_provider const * p, expr const & e);
/**
\brief Display exception in the regular stream of \c ios, using the configuration options and formatter from \c ios.
Exceptions that contain expressions use the given \c pos_info_provider (if available) to retrieve line number information.
*/
void display_error(io_state_stream const & ios, pos_info_provider const * p, exception const & ex);
}