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#pragma once
#include <util/generic/yexception.h>
#include <util/generic/fwd.h>
namespace NAST {
static const char* INVALID_TOKEN_NAME = "nothing";
static const char* ABSENCE = " absence";
class TTooManyErrors: public yexception {
};
class IErrorCollector {
public:
explicit IErrorCollector(size_t maxErrors);
virtual ~IErrorCollector();
// throws TTooManyErrors
void Error(ui32 line, ui32 col, const TString& message);
private:
virtual void AddError(ui32 line, ui32 col, const TString& message) = 0;
protected:
const size_t MaxErrors;
size_t NumErrors;
};
class TErrorOutput: public IErrorCollector {
public:
TErrorOutput(IOutputStream& err, const TString& name, size_t maxErrors);
virtual ~TErrorOutput();
private:
void AddError(ui32 line, ui32 col, const TString& message) override;
public:
IOutputStream& Err;
TString Name;
};
} // namespace NAST
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