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#pragma once
#include <yql/essentials/parser/lexer_common/lexer.h>
#include <yql/essentials/parser/common/error.h>
#include <google/protobuf/message.h>
#include <util/generic/ptr.h>
#include <util/generic/vector.h>
#include <util/charset/utf8.h>
namespace NAST {
template <typename InputType>
void InvalidCharacter(IOutputStream& err, const InputType* input) {
wchar32 rune = 0;
size_t runeLen = 0;
auto begin = input->get_nextChar();
auto end = begin + input->get_sizeBuf();
if (begin != end && SafeReadUTF8Char(rune, runeLen, begin, end) == RECODE_OK) {
err << " '" << TStringBuf((const char*)begin, runeLen) << "' (Unicode character <" << ui32(rune) << ">)";
}
}
template <typename TokenType>
inline void InvalidToken(IOutputStream& err, const TokenType* token) {
if (token) {
if (token->get_input()) {
err << " '" << token->getText() << "'";
} else {
err << ABSENCE;
}
}
}
} // namespace NAST
namespace NSQLTranslation {
class IParser {
public:
virtual ~IParser() = default;
virtual google::protobuf::Message* Parse(
const TString& query, const TString& queryName, NAST::IErrorCollector& err,
google::protobuf::Arena* arena) = 0;
};
class IParserFactory : public TThrRefBase {
public:
virtual ~IParserFactory() = default;
virtual std::unique_ptr<IParser> MakeParser() const = 0;
};
using TParserFactoryPtr = TIntrusivePtr<IParserFactory>;
} // namespace NSQLTranslation
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