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Parsodus
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Updated main file

This commit is contained in:
kwullaer 2017-01-05 15:17:56 +01:00
parent 32b7fae8af
commit 3a5006ae2a
1 changed files with 21 additions and 38 deletions
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59
src/main.cpp
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@ -1,70 +1,53 @@
#include <iostream>
#include <fstream>
#include <vector>
#include "optparse.h"
#include "Parsodus/inputparser.h"
#include "Parsodus/backendmanager.h"
#include "Parsodus/lrtables/generator.h"
#include "Parsodus/lrtables/SLR1Itemset.h"
#include "Parsodus/backends/cppLR.h"
#include "Parsodus/util/parserType.h"
#include "Parsodus/driver.h"
int main(int argc, char** argv) {
optparse::OptionParser parser = optparse::OptionParser().description("Parsodus").usage("Parsodus [-d <outputdir>] [-l <language>] [-n <lexername>] <inputfile.pds>");
/* Set and parse command line arguments */
optparse::OptionParser parser = optparse::OptionParser().description("Parsodus").usage("Parsodus [-d <outputdir>] [-l <language>] [-n <parsername>] <inputfile.pds>");
parser.add_help_option(true);
parser.version("%prog 1.0");
parser.add_option("-d", "--outputdir").dest("outputdir").help("Output the generated files to this directory\n[default: .]").metavar("<directory>").set_default(".");
parser.add_option("-l", "--lang", "--language").dest("language").help("The programming language to generate source files for\n[default: c++]").metavar("<language>").set_default("c++");
parser.add_option("-n", "--name").dest("lexername").help("Use this name for the generated parser, the default is based on the input file name").metavar("<lexername>");
parser.add_option("-n", "--name").dest("parsername").help("Use this name for the generated parser, the default is based on the input file name").metavar("<parsername>");
optparse::Values options = parser.parse_args(argc, argv);
std::vector<std::string> args = parser.args();
/* Check whether a parsodus config file is given */
if (args.size() != 1) {
parser.print_usage(std::cerr);
return 1;
}
/* Open parsodus config file, if possible */
std::ifstream infile(args[0]);
if (!infile.good()) {
std::cerr << "Could not open file '" << args[0] << "' for reading" << std::endl;
return 1;
}
std::string parsername = options["parsername"];
/* Set name of parser, if unset */
if (parsername.empty() && args[0].size() >= 4 && args[0].substr(args[0].size() - 4,4) == ".pds")
parsername = args[0].substr(0, args[0].length() - 4);
auto backendManager = std::make_unique<pds::BackendManager>(pds::BackendManager());
/* Register languages */
backendManager->registerLR<pds::backends::CppLRBackend>();
pds::Driver driver(std::move(backendManager), infile, options["outputdir"], options["language"], "testParser");
return driver.run();
// Reporting what the inputparser found, to be removed...
// std::cout << "Start: " << config.grammar.start << std::endl;
// for(auto a: config.grammar.terminals)
// std::cout << "Terminal: " << a << std::endl;
// for(auto a: config.grammar.variables)
// std::cout << "Variable: " << a << std::endl;
// std::cout << "Rules: " << std::endl;
// for(auto a: config.grammar.rules) {
// std::cout << "\t" << a->head << " -> ";
// for(auto c: a->tail) {
// std::cout << c << " ";
// }
// std::cout << std::endl;
// }
//
// std::vector<std::string> names = {"ERROR", "SHIFT", "REDUCE", "ACCEPT"};
// pds::lr::Generator<pds::lr::SLR1Itemset> g(config.grammar);
// auto tbl = g.generate();
// for (std::size_t i = 0; i < tbl.act.size(); i++) {
// std::cout << "State " << i << std::endl;
// std::cout << " Action:" << std::endl;
// for (auto& p : tbl.act[i]) {
// std::cout << " " << p.first << ": " << names[static_cast<int>(p.second.first)] << " " << p.second.second << std::endl;
// }
// std::cout << " Goto:" << std::endl;
// for (auto& p : tbl.goto_[i]) {
// std::cout << " " << p.first << ": " << p.second << std::endl;;
// }
// }
/* Create parserfile, if possible */
try {
pds::Driver driver(std::move(backendManager), infile, options["outputdir"], options["language"], parsername);
return driver.run();
} catch (std::exception &err) {
std::cout << err.what() << std::endl;
return 1;
}
}