lean2/src/frontends/lean/server.h
2014-08-17 12:16:32 -07:00

68 lines
2.4 KiB
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
*/
#pragma once
#include <vector>
#include <string>
#include <unordered_map>
#include "util/interrupt.h"
#include "library/definition_cache.h"
#include "frontends/lean/parser.h"
#include "frontends/lean/info_manager.h"
namespace lean {
/**
\brief Class for managing an input stream used to communicate with
external processes.
*/
class server {
struct file {
std::string m_fname;
std::vector<std::string> m_lines;
snapshot_vector m_snapshots;
info_manager m_info;
file(std::string const & fname);
unsigned find(unsigned linenum);
void replace_line(unsigned linenum, std::string const & new_line);
void insert_line(unsigned linenum, std::string const & new_line);
void remove_line(unsigned linenum);
};
typedef std::shared_ptr<file> file_ptr;
typedef std::unordered_map<std::string, file_ptr> file_map;
file_map m_file_map;
file_ptr m_file;
environment m_env;
io_state m_ios;
std::ostream & m_out;
unsigned m_num_threads;
snapshot m_empty_snapshot;
definition_cache m_cache;
std::unique_ptr<interruptible_thread> m_thread_ptr;
void load_file(std::string const & fname);
void visit_file(std::string const & fname);
void check_file();
void replace_line(unsigned linenum, std::string const & new_line);
void insert_line(unsigned linenum, std::string const & new_line);
void remove_line(unsigned linenum);
void check_line(unsigned linenum, std::string const & line);
void show_info(unsigned linenum);
void process_from(unsigned linenum);
void set_option(std::string const & line);
void eval(std::string const & line);
unsigned find(unsigned linenum);
void read_line(std::istream & in, std::string & line);
void reset_thread();
void interrupt_thread();
unsigned get_linenum(std::string const & line, std::string const & cmd);
public:
server(environment const & env, io_state const & ios, unsigned num_threads = 1);
~server();
bool operator()(std::istream & in);
};
}