diff options
Diffstat (limited to 'Shell/main.cpp')
-rw-r--r-- | Shell/main.cpp | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/Shell/main.cpp b/Shell/main.cpp deleted file mode 100644 index 3616919844..0000000000 --- a/Shell/main.cpp +++ /dev/null @@ -1,194 +0,0 @@ -/* - * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, this - * list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "Execution.h" -#include "Shell.h" -#include <LibCore/ArgsParser.h> -#include <LibCore/Event.h> -#include <LibCore/EventLoop.h> -#include <LibCore/File.h> -#include <signal.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -RefPtr<Line::Editor> editor; -Shell::Shell* s_shell; - -int main(int argc, char** argv) -{ - Core::EventLoop loop; - - Core::EventLoop::register_signal(SIGINT, [](int) { - s_shell->kill_job(s_shell->current_job(), SIGINT); - }); - - Core::EventLoop::register_signal(SIGWINCH, [](int) { - s_shell->kill_job(s_shell->current_job(), SIGWINCH); - }); - - Core::EventLoop::register_signal(SIGTTIN, [](int) {}); - Core::EventLoop::register_signal(SIGTTOU, [](int) {}); - - Core::EventLoop::register_signal(SIGHUP, [](int) { - for (auto& it : s_shell->jobs) - s_shell->kill_job(it.value.ptr(), SIGHUP); - - s_shell->editor()->save_history(s_shell->get_history_path()); - }); - - editor = Line::Editor::construct(); - editor->initialize(); - - auto shell = Shell::Shell::construct(*editor); - s_shell = shell.ptr(); - - s_shell->setup_signals(); - -#ifndef __serenity__ - sigset_t blocked; - sigemptyset(&blocked); - sigaddset(&blocked, SIGTTOU); - sigaddset(&blocked, SIGTTIN); - pthread_sigmask(SIG_BLOCK, &blocked, nullptr); -#endif -#ifdef __serenity__ - if (pledge("stdio rpath wpath cpath proc exec tty accept sigaction unix fattr", nullptr) < 0) { - perror("pledge"); - return 1; - } -#endif - - shell->termios = editor->termios(); - shell->default_termios = editor->default_termios(); - - editor->on_display_refresh = [&](auto& editor) { - editor.strip_styles(); - if (shell->should_format_live()) { - auto line = editor.line(); - ssize_t cursor = editor.cursor(); - editor.clear_line(); - editor.insert(shell->format(line, cursor)); - if (cursor >= 0) - editor.set_cursor(cursor); - } - shell->highlight(editor); - }; - editor->on_tab_complete = [&](const Line::Editor&) { - return shell->complete(); - }; - - const char* command_to_run = nullptr; - const char* file_to_read_from = nullptr; - Vector<const char*> script_args; - bool skip_rc_files = false; - const char* format = nullptr; - bool should_format_live = false; - - Core::ArgsParser parser; - parser.add_option(command_to_run, "String to read commands from", "command-string", 'c', "command-string"); - parser.add_option(skip_rc_files, "Skip running shellrc files", "skip-shellrc", 0); - parser.add_option(format, "Format the given file into stdout and exit", "format", 0, "file"); - parser.add_option(should_format_live, "Enable live formatting", "live-formatting", 'f'); - parser.add_positional_argument(file_to_read_from, "File to read commands from", "file", Core::ArgsParser::Required::No); - parser.add_positional_argument(script_args, "Extra argumets to pass to the script (via $* and co)", "argument", Core::ArgsParser::Required::No); - - parser.parse(argc, argv); - - shell->set_live_formatting(should_format_live); - - if (format) { - auto file = Core::File::open(format, Core::IODevice::ReadOnly); - if (file.is_error()) { - fprintf(stderr, "Error: %s", file.error().characters()); - return 1; - } - - ssize_t cursor = -1; - puts(shell->format(file.value()->read_all(), cursor).characters()); - return 0; - } - - auto pid = getpid(); - if (auto sid = getsid(pid); sid == 0) { - if (setsid() < 0) { - perror("setsid"); - // Let's just hope that it's ok. - } - } else if (sid != pid) { - if (getpgid(pid) != pid) { - dbgln("We were already in a session with sid={} (we are {}), let's do some gymnastics", sid, pid); - if (setpgid(pid, sid) < 0) { - auto strerr = strerror(errno); - dbgln("couldn't setpgid: {}", strerr); - } - if (setsid() < 0) { - auto strerr = strerror(errno); - dbgln("couldn't setsid: {}", strerr); - } - } - } - - shell->current_script = argv[0]; - - if (!skip_rc_files) { - auto run_rc_file = [&](auto& name) { - String file_path = name; - if (file_path.starts_with('~')) - file_path = shell->expand_tilde(file_path); - if (Core::File::exists(file_path)) { - shell->run_file(file_path, false); - } - }; - run_rc_file(Shell::Shell::global_init_file_path); - run_rc_file(Shell::Shell::local_init_file_path); - } - - { - Vector<String> args; - for (auto* arg : script_args) - args.empend(arg); - shell->set_local_variable("ARGV", adopt(*new Shell::AST::ListValue(move(args)))); - } - - if (command_to_run) { - dbgln("sh -c '{}'\n", command_to_run); - shell->run_command(command_to_run); - return 0; - } - - if (file_to_read_from && StringView { "-" } != file_to_read_from) { - if (shell->run_file(file_to_read_from)) - return 0; - return 1; - } - - shell->add_child(*editor); - - Core::EventLoop::current().post_event(*shell, make<Core::CustomEvent>(Shell::Shell::ShellEventType::ReadLine)); - - return loop.exec(); -} |