451 lines
15 KiB
C++
451 lines
15 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 <cstdlib>
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#include <getopt.h>
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#include <string>
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#include "util/stackinfo.h"
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#include "util/macros.h"
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#include "util/debug.h"
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#include "util/sstream.h"
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#include "util/interrupt.h"
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#include "util/memory.h"
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#include "util/thread.h"
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#include "util/lean_path.h"
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#include "util/file_lock.h"
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#include "util/sexpr/options.h"
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#include "util/sexpr/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 "kernel/type_checker.h"
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#include "kernel/formatter.h"
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#include "library/standard_kernel.h"
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#include "library/module.h"
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#include "library/type_context.h"
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#include "library/io_state_stream.h"
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#include "library/export.h"
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#include "library/message_builder.h"
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#include "frontends/lean/parser.h"
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#include "frontends/lean/pp.h"
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#include "frontends/lean/dependencies.h"
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#include "frontends/lean/opt_cmd.h"
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#include "frontends/smt2/parser.h"
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#include "frontends/lean/json.h"
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#include "init/init.h"
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#include "shell/simple_pos_info_provider.h"
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#include "shell/leandoc.h"
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#if defined(LEAN_SERVER)
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#include "shell/server.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 "version.h"
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#include "githash.h" // NOLINT
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using lean::unreachable_reached;
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using lean::environment;
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using lean::io_state;
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using lean::io_state_stream;
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using lean::regular;
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using lean::mk_environment;
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using lean::pos_info;
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using lean::pos_info_provider;
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using lean::optional;
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using lean::expr;
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using lean::options;
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using lean::module_name;
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using lean::simple_pos_info_provider;
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using lean::shared_file_lock;
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using lean::exclusive_file_lock;
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using lean::type_context;
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using lean::type_checker;
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static void display_header(std::ostream & out) {
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out << "Lean (version " << LEAN_VERSION_MAJOR << "."
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<< LEAN_VERSION_MINOR << "." << LEAN_VERSION_PATCH;
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if (std::strcmp(g_githash, "GITDIR-NOTFOUND") == 0) {
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if (std::strcmp(LEAN_PACKAGE_VERSION, "NOT-FOUND") != 0) {
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out << ", package " << LEAN_PACKAGE_VERSION;
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}
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} else {
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out << ", commit " << std::string(g_githash).substr(0, 12);
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}
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out << ", " << 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 << "Input format:\n";
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std::cout << " --smt2 interpret files as SMT-Lib2 files\n";
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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 << " --path display the path used for finding Lean libraries and extensions\n";
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std::cout << " --output=file -o save the final environment in binary format in the given file\n";
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std::cout << " --doc=file -r generate module documentation based on module doc strings\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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#if defined(LEAN_TRACK_MEMORY)
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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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#endif
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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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#endif
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std::cout << " --deps just print dependencies of a Lean input\n";
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#if defined(LEAN_SERVER)
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std::cout << " --json print JSON-formatted structured error messages\n";
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std::cout << " --server start lean in server mode\n";
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#endif
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std::cout << " --cache=file -c load/save cached definitions from/to the given file\n";
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std::cout << " --profile display elaboration/type checking time for each definition/theorem\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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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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std::cout << " --dir=directory display information about identifier or token in the given posivition\n";
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std::cout << "Frontend query interface:\n";
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std::cout << " --line=value line number for query\n";
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std::cout << " --col=value column number for query\n";
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std::cout << " --info display information about identifier or token in the given posivition\n";
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std::cout << "Exporting data:\n";
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std::cout << " --export=file -E export final environment as textual low-level file\n";
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std::cout << " --export-all=file -A export final environment (and all dependencies) as textual low-level file\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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{"smt2", no_argument, 0, 'Y'},
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{"path", no_argument, 0, 'p'},
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{"githash", no_argument, 0, 'g'},
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{"output", required_argument, 0, 'o'},
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{"export", required_argument, 0, 'E'},
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{"export-all", required_argument, 0, 'A'},
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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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#if defined(LEAN_MULTI_THREAD)
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{"threads", required_argument, 0, 'j'},
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#endif
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{"quiet", no_argument, 0, 'q'},
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{"deps", no_argument, 0, 'd'},
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#if defined(LEAN_SERVER)
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{"json", no_argument, 0, 'J'},
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{"server", no_argument, 0, 'S'},
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#endif
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{"doc", required_argument, 0, 'r'},
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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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{"line", required_argument, 0, 'L'},
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{"col", required_argument, 0, 'O'},
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{"info", no_argument, 0, 'I'},
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{"dir", required_argument, 0, 'T'},
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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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{"dir", required_argument, 0, 'T'},
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{0, 0, 0, 0}
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};
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#define OPT_STR "rPFdD:qupgvhk:012t:012o:E:L:012O:012GZAIT:B:"
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#if defined(LEAN_TRACK_MEMORY)
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#define OPT_STR2 OPT_STR "M:012"
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#else
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#define OPT_STR2 OPT_STR
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#endif
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#if defined(LEAN_USE_BOOST) && defined(LEAN_MULTI_THREAD)
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static char const * g_opt_str = OPT_STR2 "j:012s:012";
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#elif !defined(LEAN_USE_BOOST) && defined(LEAN_MULTI_THREAD)
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static char const * g_opt_str = OPT_STR2 "j:012";
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#else
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static char const * g_opt_str = OPT_STR2;
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#endif
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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::BoolOption:
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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::IntOption:
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case lean::UnsignedOption:
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return opts.update(opt, atoi(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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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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#if defined(LEAN_SERVER)
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lean::initialize_server();
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#endif
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}
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~initializer() {
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#if defined(LEAN_SERVER)
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lean::finalize_server();
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#endif
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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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initializer init;
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bool export_objects = false;
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unsigned trust_lvl = LEAN_BELIEVER_TRUST_LEVEL+1;
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bool smt2 = false;
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bool only_deps = false;
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unsigned num_threads = 1;
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#if defined(LEAN_SERVER)
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bool json_output = false;
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#endif
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options opts;
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std::string output;
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std::string cache_name;
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optional<unsigned> line;
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optional<unsigned> column;
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optional<std::string> export_txt;
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optional<std::string> export_all_txt;
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optional<std::string> base_dir;
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optional<std::string> doc;
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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 'j':
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num_threads = atoi(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 << g_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 'Y':
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smt2 = true;
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break;
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case 'p':
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std::cout << lean::get_lean_path() << "\n";
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return 0;
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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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case 'o':
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output = optarg;
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export_objects = true;
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break;
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case 'r':
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doc = optarg;
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break;
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case 'M':
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lean::set_max_memory_megabyte(atoi(optarg));
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opts = opts.update(lean::get_max_memory_opt_name(), atoi(optarg));
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break;
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case 't':
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trust_lvl = atoi(optarg);
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break;
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case 'q':
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opts = opts.update(lean::get_verbose_opt_name(), false);
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break;
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case 'd':
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only_deps = true;
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break;
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case 'D':
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try {
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opts = set_config_option(opts, optarg);
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} catch (lean::exception & ex) {
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std::cerr << ex.what() << std::endl;
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return 1;
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}
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break;
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#if defined(LEAN_SERVER)
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case 'J':
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opts = opts.update(lean::name{"trace", "as_messages"}, true);
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json_output = true;
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break;
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case 'S':
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opts = opts.update("server", true);
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opts = opts.update(lean::name{"trace", "as_messages"}, true);
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break;
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#endif
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case 'P':
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opts = opts.update("profiler", true);
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break;
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case 'L':
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line = atoi(optarg);
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break;
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case 'O':
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column = atoi(optarg);
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break;
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case 'E':
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export_txt = std::string(optarg);
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break;
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#if defined(LEAN_DEBUG)
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case 'B':
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lean::enable_debug(optarg);
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break;
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#endif
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case 'A':
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export_all_txt = std::string(optarg);
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break;
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case 'T':
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base_dir = std::string(optarg);
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break;
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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 defined(__GNUC__) && !defined(__CLANG__)
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#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
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#endif
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#if !defined(LEAN_MULTI_THREAD)
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lean_assert(num_threads == 1);
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#endif
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environment env = mk_environment(trust_lvl);
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io_state ios(opts, lean::mk_pretty_formatter_factory());
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#if defined(LEAN_SERVER)
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if (json_output) {
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ios.set_message_channel(std::make_shared<lean::json_message_stream>(std::cout));
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// Redirect uncaptured non-json messages to stderr
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ios.set_regular_channel(ios.get_diagnostic_channel_ptr());
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}
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#endif
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if (smt2) {
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// Note: the smt2 flag may override other flags
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bool ok = true;
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for (int i = optind; i < argc; i++) {
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try {
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ok = ::lean::smt2::parse_commands(env, ios, argv[i]);
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} catch (lean::exception & ex) {
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ok = false;
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type_context tc(env, ios.get_options());
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simple_pos_info_provider pp(argv[i]);
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lean::message_builder(&pp, std::make_shared<type_context>(env, ios.get_options()),
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env, ios, argv[i], pos_info(1, 1), lean::ERROR)
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.set_exception(ex).report();
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}
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}
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return ok ? 0 : 1;
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}
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#if defined(LEAN_SERVER)
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if (opts.get_bool("server")) {
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/* Disable assertion violation dialog:
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(C)ontinue, (A)bort, (S)top, Invoke (G)DB */
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lean::enable_debug_dialog(false);
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lean::server(num_threads, env, ios).run();
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return 0;
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}
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#endif
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try {
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bool ok = true;
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for (int i = optind; i < argc; i++) {
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try {
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if (only_deps) {
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if (!display_deps(env, std::cout, std::cerr, argv[i]))
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ok = false;
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} else if (!parse_commands(env, ios, argv[i], base_dir, false, num_threads)) {
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ok = false;
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}
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} catch (lean::exception & ex) {
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ok = false;
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lean::message_builder(env, ios, argv[i], lean::pos_info(1, 1), lean::ERROR).set_exception(ex).report();
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}
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}
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if (export_objects && ok) {
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exclusive_file_lock output_lock(output);
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std::ofstream out(output, std::ofstream::binary);
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export_module(out, env);
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}
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if (export_txt) {
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exclusive_file_lock expor_lock(*export_txt);
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std::ofstream out(*export_txt);
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export_module_as_lowtext(out, env);
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}
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if (export_all_txt) {
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exclusive_file_lock export_lock(*export_all_txt);
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std::ofstream out(*export_all_txt);
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export_all_as_lowtext(out, env);
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}
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if (doc) {
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exclusive_file_lock export_lock(*doc);
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std::ofstream out(*doc);
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gen_doc(env, opts, out);
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}
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return ok ? 0 : 1;
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} catch (lean::throwable & ex) {
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lean::message_builder(env, ios, "<unknown>", lean::pos_info(1, 1), lean::ERROR).set_exception(ex).report();
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} catch (std::bad_alloc & ex) {
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std::cerr << "out of memory" << std::endl;
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return 1;
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}
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return 1;
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}
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