#ifndef QLOW_ERROR_REPORTING
#define QLOW_ERROR_REPORTING

#include "Logging.h"


namespace qlow
{
    struct CodePosition;
    
    class CompileError;
    
    class SyntaxError;
}


/*!
 * \brief bison-compatible location struct
 */
struct qlow::CodePosition
{
    const char* filename = "";
    int first_line;
    int last_line;
    int first_column;
    int last_column;
};


class qlow::CompileError
{
protected:
    CodePosition where;
public:
    inline CompileError(const CodePosition& where) :
        where{ where }
    {
    }
    
    virtual ~CompileError(void);
    virtual void print(Logger& logger) const = 0;
    
    void underlineError(Logger& logger) const;
};


class qlow::SyntaxError : public CompileError
{
public:
    inline SyntaxError(const CodePosition& where) :
        CompileError{ where }
    {
    }
    
    virtual void print(Logger&) const override;
};

#endif // QLOW_ERROR_REPORTING