63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
#pragma once
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#ifndef PARSODUS_DRIVER_H
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#define PARSODUS_DRIVER_H
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#include <memory>
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#include <string>
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#include "Parsodus/backendmanager.h"
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namespace pds {
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/**
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* The main driver for Parsodus
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*/
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class Driver {
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public:
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/**
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* Constructor
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*
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* @param backends The backendmanager, prepared with all needed supported backends
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* @param inputfile An istream which should be read to be used as token rules specifications
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* @param outputdir A string representing the directory where generated files should be places
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* @param language The language to generate output for (backends is queried for this language)
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* @param parsername The name to give to the generated parser, this gets cleaned to only contains alphanumeric chars or underscore and start with a non-digit (AKA a valid identifier)
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*/
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Driver(std::unique_ptr<BackendManager> backends, std::istream& inputfile, std::string outputdir, std::string language, std::string parsername);
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/**
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* Destructor
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*/
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~Driver();
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/**
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* Run this driver, all the preparation should happen when calling the constructor
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*
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* @return The status code this would return if it were a main function
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*/
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int run();
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private:
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std::unique_ptr<BackendManager> m_backends;
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std::istream& m_inputfile;
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std::string m_outputdir;
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std::string m_language;
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std::string m_parsername;
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};
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/**
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* Used to throw errors when the driver could generate a valid lexer name or find the backend for a language
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*/
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class DriverException: public std::exception {
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public:
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DriverException(std::string what);
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virtual const char* what() const throw();
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private:
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std::string m_what;
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};
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}
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#endif //PARSODUS_DRIVER_H
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