b1ee888aae
explicitly initialize/finalize options Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
366 lines
13 KiB
C++
366 lines
13 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/debug.h"
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#include "util/sstream.h"
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#include "util/interrupt.h"
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#include "util/script_state.h"
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#include "util/thread.h"
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#include "util/thread_script_state.h"
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#include "util/lean_path.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/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/io_state_stream.h"
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#include "library/definition_cache.h"
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#include "library/declaration_index.h"
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#include "library/print.h"
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#include "library/error_handling/error_handling.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/server.h"
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#include "frontends/lean/dependencies.h"
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#include "frontends/lua/register_modules.h"
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#include "init/init.h"
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#include "version.h"
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#include "githash.h" // NOLINT
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using lean::script_state;
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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::set_environment;
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using lean::set_io_state;
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using lean::definition_cache;
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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::declaration_index;
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enum class input_kind { Unspecified, Lean, Lua };
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static void on_ctrl_c(int ) {
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lean::request_interrupt();
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}
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#define XSTR(x) #x
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#define STR(x) XSTR(x)
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static void display_header(std::ostream & out) {
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out << "Lean (version " << LEAN_VERSION_MAJOR << "." << LEAN_VERSION_MINOR
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<< ", commit " << std::string(g_githash).substr(0, 12)
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<< ", " << 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 << " --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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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 << " --luahook=num -k 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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std::cout << " --trust=num -t trust level (default: 0) \n";
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std::cout << " --quiet -q do not print verbose messages\n";
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#if defined(LEAN_MULTI_THREAD)
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std::cout << " --server start Lean in 'server' mode\n";
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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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std::cout << " --flycheck print structured error message for flycheck\n";
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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 << " --index=file -i store index for declared symbols in the given file\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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std::cout << " -D name=value set a configuration option (see set_option command)\n";
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}
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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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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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{"lean", no_argument, 0, 'l'},
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{"lua", no_argument, 0, 'u'},
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{"path", no_argument, 0, 'p'},
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{"luahook", required_argument, 0, 'k'},
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{"githash", no_argument, 0, 'g'},
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{"output", required_argument, 0, 'o'},
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{"trust", required_argument, 0, 't'},
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#if defined(LEAN_MULTI_THREAD)
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{"server", no_argument, 0, 'S'},
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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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{"cache", required_argument, 0, 'c'},
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{"deps", no_argument, 0, 'd'},
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{"flycheck", no_argument, 0, 'F'},
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{"index", no_argument, 0, 'i'},
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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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{0, 0, 0, 0}
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};
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#define BASIC_OPT_STR "FdD:qlupgvhk:012t:012o:c:i:"
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#if defined(LEAN_USE_BOOST) && defined(LEAN_MULTI_THREAD)
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static char const * g_opt_str = BASIC_OPT_STR "Sj: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 = BASIC_OPT_STR "Sj:012";
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#else
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static char const * g_opt_str = BASIC_OPT_STR;
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#endif
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class simple_pos_info_provider : public pos_info_provider {
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char const * m_fname;
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public:
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simple_pos_info_provider(char const * fname):m_fname(fname) {}
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virtual optional<pos_info> get_pos_info(expr const &) const { return optional<pos_info>(); }
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virtual char const * get_file_name() const { return m_fname; }
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virtual pos_info get_some_pos() const { return pos_info(-1, -1); }
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};
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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 != decls.end()) {
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switch (it->second.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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int main(int argc, char ** argv) {
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lean::save_stack_info();
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lean::init_default_print_fn();
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lean::register_modules();
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lean::initializer init;
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bool export_objects = false;
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unsigned trust_lvl = 0;
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bool server = false;
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bool only_deps = false;
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unsigned num_threads = 1;
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bool use_cache = false;
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bool gen_index = false;
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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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std::string index_name;
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input_kind default_k = input_kind::Lean; // default
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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 'S':
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server = true;
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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 '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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case 'k':
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script_state::set_check_interrupt_freq(atoi(optarg));
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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 'c':
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cache_name = optarg;
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use_cache = true;
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break;
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case 'i':
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index_name = optarg;
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gen_index = true;
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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("verbose", 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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case 'F':
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opts = opts.update("flycheck", true);
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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(LEAN_MULTI_THREAD)
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lean_assert(!server);
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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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script_state S = lean::get_thread_script_state();
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set_environment set1(S, env);
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set_io_state set2(S, ios);
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definition_cache cache;
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definition_cache * cache_ptr = nullptr;
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if (use_cache) {
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cache_ptr = &cache;
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std::ifstream in(cache_name, std::ifstream::binary);
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if (!in.bad() && !in.fail())
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cache.load(in);
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}
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declaration_index index;
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declaration_index * index_ptr = nullptr;
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if (gen_index)
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index_ptr = &index;
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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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char const * ext = get_file_extension(argv[i]);
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input_kind k = default_k;
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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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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], false, num_threads, cache_ptr, index_ptr)) {
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ok = false;
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}
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} else if (k == input_kind::Lua) {
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lean::system_import(argv[i]);
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} else {
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lean_unreachable(); // LCOV_EXCL_LINE
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}
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} catch (lean::exception & ex) {
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simple_pos_info_provider pp(argv[i]);
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ok = false;
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lean::display_error(diagnostic(env, ios), &pp, ex);
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}
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}
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if (ok && server && default_k == input_kind::Lean) {
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signal(SIGINT, on_ctrl_c);
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ios.set_option(lean::name("pp", "beta"), true);
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lean::server Sv(env, ios, num_threads);
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if (!Sv(std::cin))
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ok = false;
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}
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if (use_cache) {
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std::ofstream out(cache_name, std::ofstream::binary);
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cache.save(out);
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}
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if (gen_index) {
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std::shared_ptr<lean::file_output_channel> out(new lean::file_output_channel(index_name.c_str()));
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ios.set_regular_channel(out);
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index.save(regular(env, ios));
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}
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if (export_objects && ok) {
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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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return ok ? 0 : 1;
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} catch (lean::exception & ex) {
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lean::display_error(diagnostic(env, ios), nullptr, ex);
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}
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return 1;
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}
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