44 lines
1.6 KiB
C++
44 lines
1.6 KiB
C++
#include "Parsodus/driver.h"
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#include "Parsodus/inputparser.h"
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#include "Parsodus/config.h"
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#include <fstream>
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namespace {
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/**
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* Filter only valid identifier chars: alphanumeric, and not starting with a digit
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*/
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std::string clean(std::string in) {
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std::string s;
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for (char c : in) {
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if ((s.length() && std::isalnum(c)) || std::isalpha(c) || c == '_')
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s += c;
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}
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return s;
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}
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}
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namespace pds {
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Driver::Driver(std::unique_ptr<BackendManager> backends, std::istream& inputfile, std::string outputdir, std::string language, std::string lexername, std::string parsername):
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m_backends(std::move(backends)), m_inputfile(inputfile), m_outputdir(outputdir), m_language(language), m_lexername(clean(lexername)), m_parsername(clean(parsername)) {
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}
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Driver::~Driver(){}
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int Driver::run() {
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if (!m_lexername.length()) throw DriverException("no valid lexer name possible");
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if (!m_parsername.length()) throw DriverException("no valid parser name possible");
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Config config = InputParser::parseInput(m_inputfile);
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Backend* back = m_backends->findBackend(m_language, config.parserType);
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if (!back) throw DriverException("Could not find a valid backend for language " + m_language + " and the given type of parser");
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back->generateParser([this](std::string filename) -> std::unique_ptr<std::ostream> {
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return std::unique_ptr<std::ostream>(new std::ofstream(m_outputdir + "/" + filename));
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},
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m_lexername, config);
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return 0;
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}
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}
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