104 lines
4.3 KiB
C++
104 lines
4.3 KiB
C++
/*
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Copyright (c) 2014 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Author: Leonardo de Moura
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*/
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#pragma once
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#include <vector>
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#include <string>
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#include <unordered_map>
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#include "util/interrupt.h"
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#include "library/definition_cache.h"
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#include "frontends/lean/parser.h"
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#include "frontends/lean/info_manager.h"
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namespace lean {
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/**
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\brief Class for managing an input stream used to communicate with
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external processes.
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*/
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class server {
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class worker;
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class file {
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friend class server::worker;
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std::string m_fname;
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mutable mutex m_lines_mutex;
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std::vector<std::string> m_lines;
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snapshot_vector m_snapshots;
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info_manager m_info;
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unsigned find(unsigned line_num);
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unsigned copy_to(std::string & block, unsigned starting_from);
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public:
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file(std::istream & in, std::string const & fname);
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void replace_line(unsigned line_num, std::string const & new_line);
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void insert_line(unsigned line_num, std::string const & new_line);
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void remove_line(unsigned line_num);
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void show(std::ostream & out, bool valid);
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std::string const & get_fname() const { return m_fname; }
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info_manager const & infom() const { return m_info; }
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};
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typedef std::shared_ptr<file> file_ptr;
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typedef std::unordered_map<std::string, file_ptr> file_map;
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class worker {
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snapshot m_empty_snapshot;
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definition_cache & m_cache;
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file_ptr m_todo_file;
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unsigned m_todo_line_num;
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options m_todo_options;
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mutex m_todo_mutex;
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condition_variable m_todo_cv;
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file_ptr m_last_file;
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atomic_bool m_terminate;
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interruptible_thread m_thread;
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public:
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worker(environment const & env, io_state const & ios, definition_cache & cache);
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~worker();
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void set_todo(file_ptr const & f, unsigned line_num, options const & o);
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void request_interrupt();
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bool wait(optional<unsigned> const & ms);
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};
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file_map m_file_map;
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file_ptr m_file;
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environment m_env;
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io_state m_ios;
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std::ostream & m_out;
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unsigned m_num_threads;
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snapshot m_empty_snapshot;
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definition_cache m_cache;
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worker m_worker;
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void load_file(std::string const & fname, bool error_if_nofile = true);
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void visit_file(std::string const & fname);
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void check_file();
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void replace_line(unsigned line_num, std::string const & new_line);
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void insert_line(unsigned line_num, std::string const & new_line);
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void remove_line(unsigned line_num);
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void show_info(unsigned line_num, optional<unsigned> const & col_num);
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void process_from(unsigned line_num);
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void set_option(std::string const & line);
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void eval_core(environment const & env, options const & o, std::string const & line);
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void eval(std::string const & line);
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void display_decl(name const & short_name, name const & long_name, environment const & env, options const & o);
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void display_decl(name const & long_name, environment const & env, options const & o);
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void find_pattern(unsigned line_num, std::string const & pattern);
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unsigned find(unsigned line_num);
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void read_line(std::istream & in, std::string & line);
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void interrupt_worker();
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void show_options();
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void show(bool valid);
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void wait(optional<unsigned> ms);
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unsigned get_line_num(std::string const & line, std::string const & cmd);
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optional<unsigned> get_optional_num(std::string const & line, std::string const & cmd);
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pair<unsigned, optional<unsigned>> get_line_opt_col_num(std::string const & line, std::string const & cmd);
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pair<unsigned, unsigned> get_line_col_num(std::string const & line, std::string const & cmd);
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void find_goal_matches(unsigned line_num, unsigned col_num, std::string const & filters);
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public:
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server(environment const & env, io_state const & ios, unsigned num_threads = 1);
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~server();
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bool operator()(std::istream & in);
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};
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}
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