malio-cpp/parser.h

/*
 Parser functions and class definitions for malio interpreter

 For details on specifications of the Malio language, please see:
 https://notabug.org/Malio

 Copyright 2015 - Malio dev team
  
  This file is part of malio-cpp

  malio-cpp is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.

  malio-cpp is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.

 */

#include <iostream>
#include <string>
#include <fstream>
#include <vector>
#include <map>

#ifndef PARSER_H
#define PARSER_H

namespace malio {
// shorthand function that will read the contents of a file:
int read(std::string filename);

// line-by-line parser
std::tuple<std::string, std::string> parse(std::string line);

// -- Exceptions raised by the interpreter:

// basic exception class: contains solely a string indicating what
// kind of error happened.
class Exception {
public:
    Exception(std::string err);
protected:
    std::string errortype;
};

// a generic syntax error for malformed statements
class SyntaxError : public Exception {
public:
    SyntaxError(std::string what);
private:
    std::string explanation;
};

// error raised when an undeclared name is mentioned, and is not from the
// malio builtins.
class NameError : public Exception {
public:
    NameError(std::string what);
private:
    std::string explanation;
};

} // namespace malio

#endif