115 lines
3.2 KiB
C++
115 lines
3.2 KiB
C++
#include <iostream>
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#include <boost/program_options.hpp>
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#include <anthem/Context.h>
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#include <anthem/Translation.h>
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int main(int argc, char **argv)
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{
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anthem::Context context;
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namespace po = boost::program_options;
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po::options_description description("Allowed options");
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description.add_options()
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("help,h", "Display this help message")
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("version,v", "Display version information")
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("input,i", po::value<std::vector<std::string>>(), "Input files")
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("simplify,s", po::bool_switch(&context.simplify), "Simplify the output")
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("complete,c", po::bool_switch(&context.complete), "Perform completion")
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("color", po::value<std::string>()->default_value("auto"), "Colorize output (always, never, auto)")
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("log-priority,p", po::value<std::string>()->default_value("warning"), "Log messages starting from this priority (debug, info, warning, error)");
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po::positional_options_description positionalOptionsDescription;
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positionalOptionsDescription.add("input", -1);
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po::variables_map variablesMap;
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const auto printHelp =
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[&]()
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{
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std::cout
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<< "Usage: anthem [options] file..." << std::endl
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<< "Translate ASP programs to the language of first-order theorem provers." << std::endl << std::endl
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<< description;
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};
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try
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{
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po::store(po::command_line_parser(argc, argv)
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.options(description)
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.positional(positionalOptionsDescription)
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.run(),
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variablesMap);
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po::notify(variablesMap);
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}
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catch (const po::error &e)
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{
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context.logger.log(anthem::output::Priority::Error, e.what());
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printHelp();
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return EXIT_FAILURE;
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}
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if (variablesMap.count("help"))
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{
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printHelp();
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return EXIT_SUCCESS;
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}
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if (variablesMap.count("version"))
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{
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std::cout << "anthem version 0.1.5-git" << std::endl;
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return EXIT_SUCCESS;
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}
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const auto colorPolicyString = variablesMap["color"].as<std::string>();
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if (colorPolicyString == "auto")
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context.logger.setColorPolicy(anthem::output::ColorStream::ColorPolicy::Auto);
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else if (colorPolicyString == "never")
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context.logger.setColorPolicy(anthem::output::ColorStream::ColorPolicy::Never);
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else if (colorPolicyString == "always")
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context.logger.setColorPolicy(anthem::output::ColorStream::ColorPolicy::Always);
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else
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{
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context.logger.log(anthem::output::Priority::Error, ("unknown color policy “" + colorPolicyString + "”").c_str());
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context.logger.errorStream() << std::endl;
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printHelp();
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return EXIT_FAILURE;
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}
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const auto logPriorityString = variablesMap["log-priority"].as<std::string>();
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try
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{
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const auto logPriority = anthem::output::priorityFromName(logPriorityString.c_str());
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context.logger.setLogPriority(logPriority);
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}
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catch (const std::exception &e)
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{
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context.logger.log(anthem::output::Priority::Error, ("unknown log priorty “" + logPriorityString + "”").c_str());
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context.logger.errorStream() << std::endl;
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printHelp();
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return EXIT_FAILURE;
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}
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try
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{
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if (variablesMap.count("input"))
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{
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const auto &inputFiles = variablesMap["input"].as<std::vector<std::string>>();
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anthem::translate(inputFiles, context);
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}
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else
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anthem::translate("std::cin", std::cin, context);
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}
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catch (const std::exception &e)
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{
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context.logger.log(anthem::output::Priority::Error, e.what());
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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