2013-09-13 03:04:10 +00:00
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/*
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Copyright (c) 2013 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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2013-07-17 05:10:18 +00:00
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#include <iostream>
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2013-08-18 23:23:29 +00:00
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#include <fstream>
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2013-08-24 23:11:35 +00:00
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#include <signal.h>
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2013-12-04 17:57:33 +00:00
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#include <cstdlib>
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2013-11-20 01:04:52 +00:00
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#include <getopt.h>
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2013-12-04 19:21:26 +00:00
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#include <string>
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2013-12-01 20:42:32 +00:00
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#include "util/stackinfo.h"
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2013-11-20 03:30:39 +00:00
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#include "util/debug.h"
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2013-11-13 05:42:22 +00:00
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#include "util/interrupt.h"
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2013-11-27 22:57:33 +00:00
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#include "util/script_state.h"
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2013-12-10 01:33:47 +00:00
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#include "util/thread.h"
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2013-10-01 01:16:13 +00:00
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#include "kernel/printer.h"
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2013-12-09 20:17:43 +00:00
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#include "library/io_state.h"
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#include "library/kernel_bindings.h"
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2013-09-13 03:09:35 +00:00
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#include "frontends/lean/parser.h"
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2013-11-15 23:55:15 +00:00
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#include "frontends/lean/frontend.h"
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2013-11-27 22:57:33 +00:00
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#include "frontends/lua/register_modules.h"
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2013-12-09 20:17:43 +00:00
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#include "shell/lua_repl.h"
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2013-07-17 05:10:18 +00:00
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#include "version.h"
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2013-12-04 19:21:26 +00:00
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#include "githash.h" // NOLINT
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2013-09-13 23:14:24 +00:00
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using lean::shell;
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using lean::frontend;
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using lean::parser;
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2013-11-27 22:57:33 +00:00
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using lean::script_state;
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2013-11-20 03:30:39 +00:00
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using lean::unreachable_reached;
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using lean::invoke_debugger;
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using lean::notify_assertion_violation;
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2013-07-17 21:24:35 +00:00
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2013-11-20 00:47:47 +00:00
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enum class input_kind { Unspecified, Lean, Lua };
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2013-09-20 04:26:01 +00:00
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static void on_ctrl_c(int ) {
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2013-11-13 05:42:22 +00:00
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lean::request_interrupt();
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2013-08-24 23:11:35 +00:00
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}
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2013-11-20 03:30:39 +00:00
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static void display_header(std::ostream & out) {
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2013-12-04 19:21:26 +00:00
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out << "Lean (version " << LEAN_VERSION_MAJOR << "." << LEAN_VERSION_MINOR << ", commit " << std::string(g_githash).substr(0, 12) << ")\n";
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2013-11-20 03:30:39 +00:00
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}
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static void display_help(std::ostream & out) {
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display_header(out);
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std::cout << "Input format:\n";
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2013-12-10 01:33:47 +00:00
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std::cout << " --lean use parser for Lean default input format for files,\n";
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std::cout << " with unknown extension (default)\n";
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std::cout << " --lua use Lua parser for files with unknown extension\n";
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2013-11-20 03:30:39 +00:00
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std::cout << "Miscellaneous:\n";
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2013-12-10 01:33:47 +00:00
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std::cout << " --help -h display this message\n";
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std::cout << " --version -v display version number\n";
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std::cout << " --githash display the git commit hash number used to build this binary\n";
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std::cout << " --luahook=num -c how often the Lua interpreter checks the interrupted flag,\n";
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std::cout << " it is useful for interrupting non-terminating user scripts,\n";
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std::cout << " 0 means 'do not check'.\n";
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#if defined(LEAN_USE_BOOST)
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std::cout << " --tstack=num -s thread stack size in Kb\n";
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#endif
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2013-11-20 03:30:39 +00:00
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}
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2013-11-20 00:47:47 +00:00
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static char const * get_file_extension(char const * fname) {
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if (fname == 0)
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return 0;
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char const * last_dot = 0;
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while (true) {
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char const * tmp = strchr(fname, '.');
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if (tmp == 0) {
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return last_dot;
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}
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last_dot = tmp + 1;
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fname = last_dot;
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}
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}
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2013-11-20 03:30:39 +00:00
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static struct option g_long_options[] = {
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2013-12-04 17:57:33 +00:00
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{"version", no_argument, 0, 'v'},
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{"help", no_argument, 0, 'h'},
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{"lean", no_argument, 0, 'l'},
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{"lua", no_argument, 0, 'u'},
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{"luahook", required_argument, 0, 'c'},
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2013-12-04 19:21:26 +00:00
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{"githash", no_argument, 0, 'g'},
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2013-12-10 01:33:47 +00:00
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#if defined(LEAN_USE_BOOST)
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{"tstack", required_argument, 0, 's'},
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#endif
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2013-11-20 03:30:39 +00:00
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{0, 0, 0, 0}
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};
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2013-08-24 23:11:35 +00:00
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int main(int argc, char ** argv) {
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2013-12-01 20:42:32 +00:00
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lean::save_stack_info();
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2013-11-27 22:57:33 +00:00
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lean::register_modules();
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2013-11-20 03:30:39 +00:00
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input_kind default_k = input_kind::Lean; // default
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while (true) {
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2013-12-10 01:33:47 +00:00
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int c = getopt_long(argc, argv, "lugvhc:012s:012", g_long_options, &optind);
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2013-11-20 03:30:39 +00:00
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if (c == -1)
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break; // end of command line
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switch (c) {
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case 'v':
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display_header(std::cout);
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return 0;
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2013-12-04 19:21:26 +00:00
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case 'g':
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std::cout << g_githash << "\n";
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return 0;
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2013-11-20 03:30:39 +00:00
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case 'h':
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display_help(std::cout);
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return 0;
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case 'l':
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default_k = input_kind::Lean;
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break;
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case 'u':
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default_k = input_kind::Lua;
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break;
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2013-12-04 17:57:33 +00:00
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case 'c':
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script_state::set_check_interrupt_freq(atoi(optarg));
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break;
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2013-12-10 01:33:47 +00:00
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case 's':
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lean::set_thread_stack_size(atoi(optarg)*1024);
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break;
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2013-11-20 03:30:39 +00:00
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default:
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std::cerr << "Unknown command line option\n";
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display_help(std::cerr);
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return 1;
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}
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}
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if (optind >= argc) {
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display_header(std::cout);
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signal(SIGINT, on_ctrl_c);
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2013-12-09 20:17:43 +00:00
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if (default_k == input_kind::Lean) {
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#if defined(LEAN_WINDOWS)
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std::cout << "Type 'Exit.' to exit or 'Help.' for help."<< std::endl;
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#else
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std::cout << "Type Ctrl-D or 'Exit.' to exit or 'Help.' for help."<< std::endl;
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#endif
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frontend f;
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script_state S;
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shell sh(f, &S);
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return sh() ? 0 : 1;
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} else {
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lean_assert(default_k == input_kind::Lua);
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script_state S;
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S.dostring(g_lua_repl);
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}
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2013-08-18 23:23:29 +00:00
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} else {
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2013-12-09 20:17:43 +00:00
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frontend f;
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script_state S;
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2013-08-18 23:23:29 +00:00
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bool ok = true;
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2013-11-20 03:30:39 +00:00
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for (int i = optind; i < argc; i++) {
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2013-11-20 00:47:47 +00:00
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char const * ext = get_file_extension(argv[i]);
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2013-11-20 03:30:39 +00:00
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input_kind k = default_k;
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2013-11-20 00:47:47 +00:00
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if (ext) {
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if (strcmp(ext, "lean") == 0) {
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k = input_kind::Lean;
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} else if (strcmp(ext, "lua") == 0) {
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k = input_kind::Lua;
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}
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}
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if (k == input_kind::Lean) {
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std::ifstream in(argv[i]);
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2013-12-10 18:53:31 +00:00
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if (in.bad() || in.fail()) {
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std::cerr << "Failed to open file '" << argv[i] << "'\n";
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return 1;
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}
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2013-11-20 00:47:47 +00:00
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parser p(f, in, &S, false, false);
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if (!p())
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ok = false;
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} else if (k == input_kind::Lua) {
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try {
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S.dofile(argv[i]);
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} catch (lean::exception & ex) {
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std::cerr << ex.what() << std::endl;
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ok = false;
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}
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2013-11-20 03:30:39 +00:00
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} else {
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lean_unreachable(); // LCOV_EXCL_LINE
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2013-11-20 00:47:47 +00:00
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}
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2013-08-18 23:23:29 +00:00
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}
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return ok ? 0 : 1;
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}
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2013-07-17 05:10:18 +00:00
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}
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