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Parsodus
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Sample main using the driver

This commit is contained in:
Thomas Avé 2017-01-02 16:03:47 +01:00
parent a9d3fdb481
commit f1d9d5b7b3
1 changed files with 37 additions and 36 deletions
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73
src/main.cpp
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@ -7,6 +7,8 @@
#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) {
@ -15,7 +17,7 @@ int main(int argc, char** argv) {
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("<parsername>");
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>");
optparse::Values options = parser.parse_args(argc, argv);
std::vector<std::string> args = parser.args();
@ -30,40 +32,39 @@ int main(int argc, char** argv) {
return 1;
}
auto config = pds::InputParser::parseInput(infile);
pds::BackendManager b;
b.registerLR<pds::backends::CppLRBackend>();
pds::Backend* back = b.findBackend("c++", pds::util::ParserType::LR_0);
std::cout << back->getName() << std::endl;
// 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;
}
auto backendManager = std::make_unique<pds::BackendManager>(pds::BackendManager());
backendManager->registerLR<pds::backends::CppLRBackend>();
pds::Driver driver(std::move(backendManager), infile, options["outputdir"], options["language"], "TestLexer", "testParser");
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;;
}
}
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;;
// }
// }
}