lean2/src/frontends/lean/parser_pos_provider.cpp
Leonardo de Moura 631e2395a3 refactor(frontends/lean/elaborator): add elaborator_env class
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-08-12 18:43:56 -07:00

35 lines
1,019 B
C++

/*
Copyright (c) 2014 Microsoft Corporation. All rights reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Author: Leonardo de Moura
*/
#include <utility>
#include <string>
#include "frontends/lean/parser_pos_provider.h"
namespace lean {
parser_pos_provider::parser_pos_provider(pos_info_table const & pos_table,
std::string const & strm_name, pos_info const & some_pos):
m_pos_table(pos_table), m_strm_name(strm_name), m_pos(some_pos) {}
parser_pos_provider::~parser_pos_provider() {}
optional<pos_info> parser_pos_provider::get_pos_info(expr const & e) const {
tag t = e.get_tag();
if (t == nulltag)
return optional<pos_info>();
if (auto it = m_pos_table.find(t))
return optional<pos_info>(*it);
else
return optional<pos_info>();
}
pos_info parser_pos_provider::get_some_pos() const {
return m_pos;
}
char const * parser_pos_provider::get_file_name() const {
return m_strm_name.c_str();
}
}