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// Copyright (C) 2006, Ondra Kamenik
// $Id: parser_exception.h 1761 2008-03-31 14:27:13Z kamenik $
#ifndef OG_FORMULA_PARSER_H
#define OG_FORMULA_PARSER_H
#include <string>
namespace ogp {
using std::string;
/** This is an easy exception, which, besides the message, stores
* also an offset of the parse error. Since we might need to track
* the argument number and for example the filed in the argument
* which caused the error, we add three integers, which have no
* semantics here. They should be documented in the function which
* throws an exception and sets them. Their default value is -1,
* which means they have not been set. */
class ParserException {
protected:
char* mes;
int off;
int aux_i1;
int aux_i2;
int aux_i3;
public:
ParserException(const char* m, int offset);
ParserException(const string& m, int offset);
ParserException(const string& m, const char* dum, int i1);
ParserException(const string& m, const char* dum, int i1, int i2);
ParserException(const string& m, const char* dum, int i1, int i2, int i3);
ParserException(const ParserException& e, int plus_offset);
/** Makes a copy and pushes given integer to aux_i1 shuffling
* others and forgetting the last. */
ParserException(const ParserException& e, const char* dum, int i);
/** Makes a copy and pushes given two integers to aux_i1 and aux_i2 shuffling
* others and forgetting the last two. */
ParserException(const ParserException& e, const char* dum, int i1, int i2);
/** Makes a copy and pushes given three integers to aux_i1, aux_i2, aus_i3 shuffling
* others and forgetting the last three. */
ParserException(const ParserException& e, const char* dum, int i1, int i2, int i3);
ParserException(const ParserException& e);
virtual ~ParserException();
void print(FILE* fd) const;
const char* message() const
{return mes;}
int offset() const
{return off;}
const int& i1() const
{return aux_i1;}
int& i1()
{return aux_i1;}
const int& i2() const
{return aux_i2;}
int& i2()
{return aux_i2;}
const int& i3() const
{return aux_i3;}
int& i3()
{return aux_i3;}
protected:
void copy(const ParserException& e);
};
};
#endif
// Local Variables:
// mode:C++
// End:
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