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#pragma once
#include <yql/essentials/sql/v1/complete/core/input.h>
#include <yql/essentials/sql/v1/complete/text/word.h>
#include <yql/essentials/parser/lexer_common/lexer.h>
#include <util/generic/maybe.h>
namespace NSQLComplete {
using NSQLTranslation::ILexer;
using NSQLTranslation::TParsedToken;
using NSQLTranslation::TParsedTokenList;
struct TCursor {
TMaybe<size_t> PrevTokenIndex = Nothing();
size_t NextTokenIndex = PrevTokenIndex ? *PrevTokenIndex : 0;
size_t Position = 0;
};
struct TRichParsedToken {
const TParsedToken* Base = nullptr;
size_t Index = 0;
size_t Position = 0;
bool IsLiteral() const;
};
struct TCursorTokenContext {
TParsedTokenList Tokens;
TVector<size_t> TokenPositions;
TCursor Cursor;
TMaybe<TRichParsedToken> Enclosing() const;
TMaybe<TRichParsedToken> MatchCursorPrefix(const TVector<TStringBuf>& pattern) const;
};
bool GetStatement(
ILexer::TPtr& lexer,
const TMaterializedInput& input,
TCompletionInput& output,
size_t& output_position);
bool GetCursorTokenContext(
ILexer::TPtr& lexer,
TCompletionInput input,
TCursorTokenContext& context);
} // namespace NSQLComplete
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