066baeccc0
Capture some of the command line arguments in an argument vector, that then gets passed to the watchdog and subsequently the worker processes. Currently flags like "-T" and "-j2" are not passed on to the watchdog and worker processes. Addresses #246
648 lines
22 KiB
C++
648 lines
22 KiB
C++
/*
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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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#include <iostream>
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#include <fstream>
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#include <signal.h>
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#include <cctype>
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#include <cstdlib>
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#include <string>
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#include <utility>
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#include <vector>
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#include <set>
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#include <lean/stackinfo.h>
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#include <lean/interrupt.h>
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#include <lean/memory.h>
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#include <lean/thread.h>
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#include <lean/debug.h>
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#include <lean/sstream.h>
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#include "util/timer.h"
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#include "util/macros.h"
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#include "util/io.h"
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#include "util/file_lock.h"
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#include "util/options.h"
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#include "util/option_declarations.h"
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#include "kernel/environment.h"
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#include "kernel/kernel_exception.h"
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#include "library/formatter.h"
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#include "library/module.h"
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#include "library/time_task.h"
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#include "library/compiler/ir.h"
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#include "library/trace.h"
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#include "library/print.h"
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#include "initialize/init.h"
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#include "library/compiler/ir_interpreter.h"
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#include "util/path.h"
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#ifdef _MSC_VER
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#include <io.h>
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#define STDOUT_FILENO 1
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#else
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#include <getopt.h>
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#include <unistd.h>
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#endif
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#if defined(LEAN_EMSCRIPTEN)
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#include <emscripten.h>
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#endif
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#include "githash.h" // NOLINT
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#ifdef LEAN_WINDOWS
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#include <windows.h>
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#undef ERROR // thanks, wingdi.h
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#else
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#include <dlfcn.h>
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#endif
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#if defined(LEAN_LLVM)
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#include <llvm/Support/TargetSelect.h>
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#endif
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#ifdef _MSC_VER
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// extremely simple implementation of getopt.h
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enum arg_opt { no_argument, required_argument, optional_argument };
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struct option {
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const char name[12];
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arg_opt has_arg;
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int *flag;
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char val;
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};
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static char *optarg;
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static int optind = 1;
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int getopt_long(int argc, char *in_argv[], const char *optstring, const option *opts, int *index) {
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optarg = nullptr;
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if (optind >= argc)
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return -1;
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char *argv = in_argv[optind];
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if (argv[0] != '-') {
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// find first -opt if any
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int i = optind;
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bool found = false;
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for (; i < argc; ++i) {
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if (in_argv[i][0] == '-') {
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found = true;
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break;
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}
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}
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if (!found)
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return -1;
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auto next = in_argv[i];
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// FIXME: this doesn't account for long options with arguments like --foo arg
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memmove(&in_argv[optind + 1], &in_argv[optind], (i - optind) * sizeof(argv));
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argv = in_argv[optind] = next;
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}
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++optind;
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// long option
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if (argv[1] == '-') {
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auto eq = strchr(argv, '=');
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size_t sz = (eq ? (eq - argv) : strlen(argv)) - 2;
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for (auto I = opts; *I->name; ++I) {
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if (!strncmp(I->name, argv + 2, sz) && I->name[sz] == '\0') {
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assert(!I->flag);
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switch (I->has_arg) {
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case no_argument:
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if (eq) {
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std::cerr << in_argv[0] << ": option doesn't take an argument -- " << I->name << std::endl;
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return '?';
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}
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break;
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case required_argument:
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if (eq) {
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optarg = eq + 1;
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} else {
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if (optind >= argc) {
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std::cerr << in_argv[0] << ": option requires an argument -- " << I->name << std::endl;
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return '?';
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}
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optarg = in_argv[optind++];
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}
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break;
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case optional_argument:
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if (eq) {
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optarg = eq + 1;
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}
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break;
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}
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if (index)
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*index = I - opts;
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return I->val;
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}
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}
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return '?';
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} else {
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auto opt = strchr(optstring, argv[1]);
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if (!opt)
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return '?';
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if (opt[1] == ':') {
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if (argv[2] == '\0') {
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if (optind < argc) {
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optarg = in_argv[optind++];
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} else {
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std::cerr << in_argv[0] << ": option requires an argument -- " << *opt << std::endl;
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return '?';
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}
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} else {
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optarg = argv + 2;
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}
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}
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return *opt;
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}
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}
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#endif
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using namespace lean; // NOLINT
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#ifndef LEAN_SERVER_DEFAULT_MAX_MEMORY
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#define LEAN_SERVER_DEFAULT_MAX_MEMORY 1024
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#endif
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#ifndef LEAN_DEFAULT_MAX_MEMORY
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#define LEAN_DEFAULT_MAX_MEMORY 0
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#endif
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#ifndef LEAN_DEFAULT_MAX_HEARTBEAT
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#define LEAN_DEFAULT_MAX_HEARTBEAT 0
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#endif
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#ifndef LEAN_SERVER_DEFAULT_MAX_HEARTBEAT
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#define LEAN_SERVER_DEFAULT_MAX_HEARTBEAT 100000
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#endif
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static void display_header(std::ostream & out) {
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out << "Lean (version " << get_version_string() << ", " << LEAN_STR(LEAN_BUILD_TYPE) << ")\n";
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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 << "Miscellaneous:\n";
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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 << " --run call the 'main' definition in a file with the remaining arguments\n";
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std::cout << " --o=oname -o create olean file\n";
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std::cout << " --c=fname -c name of the C output file\n";
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std::cout << " --stdin take input from stdin\n";
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std::cout << " --root=dir set package root directory from which the module name of the input file is calculated\n"
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<< " (default: current working directory)\n";
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std::cout << " --trust=num -t trust level (default: max) 0 means do not trust any macro,\n"
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<< " and type check all imported modules\n";
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std::cout << " --quiet -q do not print verbose messages\n";
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std::cout << " --memory=num -M maximum amount of memory that should be used by Lean\n";
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std::cout << " (in megabytes)\n";
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std::cout << " --timeout=num -T maximum number of memory allocations per task\n";
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std::cout << " this is a deterministic way of interrupting long running tasks\n";
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#if defined(LEAN_MULTI_THREAD)
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std::cout << " --threads=num -j number of threads used to process lean files\n";
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std::cout << " --tstack=num -s thread stack size in Kb\n";
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std::cout << " --server start lean in server mode\n";
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std::cout << " --worker start lean in server-worker mode\n";
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#endif
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std::cout << " --plugin=file load and initialize shared library for registering linters etc.\n";
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std::cout << " --deps just print dependencies of a Lean input\n";
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std::cout << " --profile display elaboration/type checking time for each definition/theorem\n";
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std::cout << " --stats display environment statistics\n";
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DEBUG_CODE(
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std::cout << " --debug=tag enable assertions with the given tag\n";
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)
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std::cout << " -D name=value set a configuration option (see set_option command)\n";
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}
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static struct option g_long_options[] = {
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{"version", no_argument, 0, 'v'},
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{"help", no_argument, 0, 'h'},
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{"githash", no_argument, 0, 'g'},
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{"run", no_argument, 0, 'r'},
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{"o", optional_argument, 0, 'o'},
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{"stdin", no_argument, 0, 'i'},
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{"root", required_argument, 0, 'R'},
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{"memory", required_argument, 0, 'M'},
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{"trust", required_argument, 0, 't'},
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{"profile", no_argument, 0, 'P'},
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{"stats", no_argument, 0, 'a'},
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{"quiet", no_argument, 0, 'q'},
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{"deps", no_argument, 0, 'd'},
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{"timeout", optional_argument, 0, 'T'},
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{"c", optional_argument, 0, 'c'},
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{"exitOnPanic", no_argument, 0, 'e'},
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#if defined(LEAN_MULTI_THREAD)
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{"threads", required_argument, 0, 'j'},
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{"tstack", required_argument, 0, 's'},
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{"server", no_argument, 0, 'S'},
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{"worker", no_argument, 0, 'W'},
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#endif
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{"plugin", required_argument, 0, 'p'},
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#ifdef LEAN_DEBUG
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{"debug", required_argument, 0, 'B'},
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#endif
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{0, 0, 0, 0}
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};
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static char const * g_opt_str =
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"PdD:o:c:C:qgvht:012j:012rR:M:012T:012ap:e"
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#if defined(LEAN_MULTI_THREAD)
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"s:012"
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#endif
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; // NOLINT
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options set_config_option(options const & opts, char const * in) {
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if (!in) return opts;
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while (*in && std::isspace(*in))
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++in;
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std::string in_str(in);
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auto pos = in_str.find('=');
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if (pos == std::string::npos)
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throw lean::exception("invalid -D parameter, argument must contain '='");
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lean::name opt = lean::string_to_name(in_str.substr(0, pos));
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std::string val = in_str.substr(pos+1);
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auto decls = lean::get_option_declarations();
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auto it = decls.find(opt);
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if (it) {
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switch (it->kind()) {
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case lean::data_value_kind::Bool:
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if (val == "true")
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return opts.update(opt, true);
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else if (val == "false")
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return opts.update(opt, false);
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else
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throw lean::exception(lean::sstream() << "invalid -D parameter, invalid configuration option '" << opt
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<< "' value, it must be true/false");
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case lean::data_value_kind::Nat:
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return opts.update(opt, static_cast<unsigned>(atoi(val.c_str())));
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case lean::data_value_kind::String:
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return opts.update(opt, val.c_str());
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default:
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throw lean::exception(lean::sstream() << "invalid -D parameter, configuration option '" << opt
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<< "' cannot be set in the command line, use set_option command");
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}
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} else {
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throw lean::exception(lean::sstream() << "invalid -D parameter, unknown configuration option '" << opt << "'");
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}
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}
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void load_plugin(std::string path) {
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void * init;
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// we never want to look up plugins using the system library search
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path = lrealpath(path);
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std::string pkg = stem(path);
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std::string sym = "initialize_" + pkg;
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#ifdef LEAN_WINDOWS
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HMODULE h = LoadLibrary(path.c_str());
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if (!h) {
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throw exception(sstream() << "error loading plugin " << path);
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}
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init = reinterpret_cast<void *>(GetProcAddress(h, sym.c_str()));
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#else
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void *handle = dlopen(path.c_str(), RTLD_LAZY);
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if (!handle) {
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throw exception(sstream() << "error loading plugin, " << dlerror());
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}
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init = dlsym(handle, sym.c_str());
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#endif
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if (!init) {
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throw exception(sstream() << "error, plugin " << path << " does not seem to contain a module '" << pkg << ".Default'");
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}
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auto init_fn = reinterpret_cast<object *(*)(object *)>(init);
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object *r = init_fn(io_mk_world());
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consume_io_result(r);
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// NOTE: we never unload plugins
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}
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class initializer {
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private:
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lean::initializer m_init;
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public:
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initializer() {
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}
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~initializer() {
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}
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};
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namespace lean {
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extern "C" object * lean_run_frontend(object * input, object * opts, object * filename, object * main_module_name, object * w);
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pair_ref<environment, object_ref> run_new_frontend(std::string const & input, options const & opts, std::string const & file_name, name const & main_module_name) {
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return get_io_result<pair_ref<environment, object_ref>>(
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lean_run_frontend(mk_string(input), opts.to_obj_arg(), mk_string(file_name), main_module_name.to_obj_arg(), io_mk_world()));
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}
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/* def workerMain : IO UInt32 */
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extern "C" object* lean_server_worker_main(object* w);
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uint32_t run_server_worker() {
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return get_io_scalar_result<uint32_t>(lean_server_worker_main(io_mk_world()));
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}
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/* def watchdogMain (args : List String) : IO Uint32 */
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extern "C" object* lean_server_watchdog_main(object* args, object* w);
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uint32_t run_server_watchdog(buffer<string_ref> const & args) {
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list_ref<string_ref> arglist = to_list_ref(args);
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return get_io_scalar_result<uint32_t>(lean_server_watchdog_main(arglist.to_obj_arg(), io_mk_world()));
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}
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extern "C" object* lean_init_search_path(object* opt_path, object* w);
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void init_search_path() {
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get_io_scalar_result<unsigned>(lean_init_search_path(mk_option_none(), io_mk_world()));
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}
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extern "C" object* lean_module_name_of_file(object* fname, object * root_dir, object* w);
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optional<name> module_name_of_file(std::string const & fname, optional<std::string> const & root_dir, bool optional) {
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object * oroot_dir = mk_option_none();
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if (root_dir) {
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oroot_dir = mk_option_some(mk_string(*root_dir));
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}
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object * o = lean_module_name_of_file(mk_string(fname), oroot_dir, io_mk_world());
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if (io_result_is_error(o) && optional) {
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return lean::optional<name>();
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} else {
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return some(get_io_result<name>(o));
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}
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}
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/* def printImports (input : String) (fileName : Option String := none) : IO Unit */
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extern "C" object* lean_print_imports(object* input, object* file_name, object* w);
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void print_imports(std::string const & input, std::string const & fname) {
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consume_io_result(lean_print_imports(mk_string(input), mk_option_some(mk_string(fname)), io_mk_world()));
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}
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extern "C" object* lean_environment_free_regions(object * env, object * w);
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void environment_free_regions(environment && env) {
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consume_io_result(lean_environment_free_regions(env.steal(), io_mk_world()));
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}
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}
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void check_optarg(char const * option_name) {
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if (!optarg) {
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std::cerr << "error: argument missing for option '-" << option_name << "'" << std::endl;
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std::exit(1);
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}
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}
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int main(int argc, char ** argv) {
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#if defined(LEAN_EMSCRIPTEN)
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EM_ASM(
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var lean_path = process.env['LEAN_PATH'];
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if (lean_path) {
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ENV['LEAN_PATH'] = lean_path;
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}
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try {
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// emscripten cannot mount all of / in the vfs,
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// we can only mount subdirectories...
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FS.mount(NODEFS, { root: '/home' }, '/home');
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FS.mkdir('/root');
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FS.mount(NODEFS, { root: '/root' }, '/root');
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FS.chdir(process.cwd());
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} catch (e) {
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console.log(e);
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});
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#endif
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#if LEAN_WINDOWS
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// "best practice" according to https://docs.microsoft.com/en-us/windows/win32/api/errhandlingapi/nf-errhandlingapi-seterrormode
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SetErrorMode(SEM_FAILCRITICALERRORS);
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#endif
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auto init_start = std::chrono::steady_clock::now();
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::initializer init;
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second_duration init_time = std::chrono::steady_clock::now() - init_start;
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bool run = false;
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optional<std::string> olean_fn;
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bool use_stdin = false;
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unsigned trust_lvl = LEAN_BELIEVER_TRUST_LEVEL + 1;
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bool only_deps = false;
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bool stats = false;
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// 0 = don't run server, 1 = watchdog, 2 = worker
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int run_server = 0;
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unsigned num_threads = 0;
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#if defined(LEAN_MULTI_THREAD)
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num_threads = hardware_concurrency();
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#endif
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#if defined(LEAN_LLVM)
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// Initialize LLVM backends for native code generation.
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llvm::InitializeNativeTarget();
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#endif
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try {
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init_search_path();
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} catch (lean::throwable & ex) {
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std::cerr << "error: " << ex.what() << std::endl;
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return 1;
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}
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options opts;
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optional<std::string> server_in;
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std::string native_output;
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optional<std::string> c_output;
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optional<std::string> root_dir;
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buffer<string_ref> forwarded_args;
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while (true) {
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int c = getopt_long(argc, argv, g_opt_str, g_long_options, NULL);
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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 'e':
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lean_set_exit_on_panic(true);
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break;
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case 'j':
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num_threads = static_cast<unsigned>(atoi(optarg));
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forwarded_args.push_back(string_ref("-j" + std::string(optarg)));
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break;
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case 'v':
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display_header(std::cout);
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return 0;
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case 'g':
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std::cout << LEAN_GITHASH << "\n";
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return 0;
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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 'c':
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check_optarg("c");
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c_output = optarg;
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break;
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case 's':
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lean::lthread::set_thread_stack_size(
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static_cast<size_t>((atoi(optarg) / 4) * 4) * static_cast<size_t>(1024));
|
|
break;
|
|
case 'i':
|
|
use_stdin = true;
|
|
break;
|
|
case 'r':
|
|
run = true;
|
|
break;
|
|
case 'o':
|
|
olean_fn = optarg;
|
|
break;
|
|
case 'R':
|
|
root_dir = optarg;
|
|
break;
|
|
case 'M':
|
|
check_optarg("M");
|
|
opts = opts.update(get_max_memory_opt_name(), static_cast<unsigned>(atoi(optarg)));
|
|
break;
|
|
case 'T':
|
|
check_optarg("T");
|
|
forwarded_args.push_back(string_ref("-T" + std::string(optarg)));
|
|
opts = opts.update(get_timeout_opt_name(), static_cast<unsigned>(atoi(optarg)));
|
|
break;
|
|
case 't':
|
|
check_optarg("t");
|
|
trust_lvl = atoi(optarg);
|
|
break;
|
|
case 'q':
|
|
opts = opts.update(lean::get_verbose_opt_name(), false);
|
|
break;
|
|
case 'd':
|
|
only_deps = true;
|
|
break;
|
|
case 'a':
|
|
stats = true;
|
|
break;
|
|
case 'D':
|
|
try {
|
|
check_optarg("D");
|
|
opts = set_config_option(opts, optarg);
|
|
} catch (lean::exception & ex) {
|
|
std::cerr << ex.what() << std::endl;
|
|
return 1;
|
|
}
|
|
break;
|
|
case 'S':
|
|
run_server = 1;
|
|
break;
|
|
case 'W':
|
|
run_server = 2;
|
|
break;
|
|
case 'P':
|
|
opts = opts.update("profiler", true);
|
|
break;
|
|
#if defined(LEAN_DEBUG)
|
|
case 'B':
|
|
check_optarg("B");
|
|
lean::enable_debug(optarg);
|
|
break;
|
|
#endif
|
|
case 'p':
|
|
check_optarg("p");
|
|
load_plugin(optarg);
|
|
break;
|
|
default:
|
|
std::cerr << "Unknown command line option\n";
|
|
display_help(std::cerr);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
if (auto max_memory = opts.get_unsigned(get_max_memory_opt_name(),
|
|
opts.get_bool("server") ? LEAN_SERVER_DEFAULT_MAX_MEMORY
|
|
: LEAN_DEFAULT_MAX_MEMORY)) {
|
|
set_max_memory_megabyte(max_memory);
|
|
}
|
|
|
|
if (auto timeout = opts.get_unsigned(get_timeout_opt_name(),
|
|
opts.get_bool("server") ? LEAN_SERVER_DEFAULT_MAX_HEARTBEAT
|
|
: LEAN_DEFAULT_MAX_HEARTBEAT)) {
|
|
set_max_heartbeat_thousands(timeout);
|
|
}
|
|
|
|
if (get_profiler(opts)) {
|
|
report_profiling_time("initialization", init_time);
|
|
}
|
|
|
|
environment env(trust_lvl);
|
|
scoped_task_manager scope_task_man(num_threads);
|
|
optional<name> main_module_name;
|
|
|
|
std::string mod_fn = "<unknown>";
|
|
std::string contents;
|
|
|
|
try {
|
|
if (run_server == 1)
|
|
return run_server_watchdog(forwarded_args);
|
|
else if (run_server == 2)
|
|
return run_server_worker();
|
|
|
|
if (use_stdin) {
|
|
if (argc - optind != 0) {
|
|
mod_fn = argv[optind++];
|
|
} else {
|
|
mod_fn = "<stdin>";
|
|
}
|
|
std::stringstream buf;
|
|
buf << std::cin.rdbuf();
|
|
contents = buf.str();
|
|
} else {
|
|
if (argc - optind != 1 || (run && argc - optind == 0)) {
|
|
std::cerr << "Expected exactly one file name\n";
|
|
display_help(std::cerr);
|
|
return 1;
|
|
}
|
|
mod_fn = argv[optind++];
|
|
contents = read_file(mod_fn);
|
|
main_module_name = module_name_of_file(mod_fn, root_dir, /* optional */ !olean_fn && !c_output);
|
|
}
|
|
|
|
if (only_deps) {
|
|
print_imports(contents, mod_fn);
|
|
return 0;
|
|
}
|
|
|
|
// Quick and dirty `#lang` support
|
|
// TODO: make it extensible, and add `lean4md`
|
|
if (contents.compare(0, 5, "#lang") == 0) {
|
|
auto end_line_pos = contents.find("\n");
|
|
// TODO: trim
|
|
auto lang_id = contents.substr(6, end_line_pos - 6);
|
|
if (lang_id == "lean4") {
|
|
// do nothing for now
|
|
} else {
|
|
std::cerr << "unknown language '" << lang_id << "'\n";
|
|
return 1;
|
|
}
|
|
// Remove up to `\n`
|
|
contents.erase(0, end_line_pos);
|
|
}
|
|
|
|
if (!main_module_name)
|
|
main_module_name = name("_stdin");
|
|
pair_ref<environment, object_ref> r = run_new_frontend(contents, opts, mod_fn, *main_module_name);
|
|
env = r.fst();
|
|
bool ok = unbox(r.snd().raw());
|
|
|
|
if (stats) {
|
|
env.display_stats();
|
|
}
|
|
|
|
if (run && ok) {
|
|
uint32 ret = ir::run_main(env, opts, argc - optind, argv + optind);
|
|
// environment_free_regions(std::move(env));
|
|
return ret;
|
|
}
|
|
if (olean_fn && ok) {
|
|
time_task t(".olean serialization", opts);
|
|
write_module(env, *olean_fn);
|
|
}
|
|
|
|
if (c_output && ok) {
|
|
std::ofstream out(*c_output);
|
|
if (out.fail()) {
|
|
std::cerr << "failed to create '" << *c_output << "'\n";
|
|
return 1;
|
|
}
|
|
time_task _("C code generation", opts);
|
|
out << lean::ir::emit_c(env, *main_module_name).data();
|
|
out.close();
|
|
}
|
|
|
|
display_cumulative_profiling_times(std::cerr);
|
|
|
|
return ok ? 0 : 1;
|
|
} catch (lean::throwable & ex) {
|
|
std::cerr << ex.what() << "\n";
|
|
} catch (std::bad_alloc & ex) {
|
|
std::cerr << "out of memory" << std::endl;
|
|
}
|
|
return 1;
|
|
}
|