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//===--- QueryParser.h - ----------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef MLIR_TOOLS_MLIRQUERY_QUERYPARSER_H
#define MLIR_TOOLS_MLIRQUERY_QUERYPARSER_H
#include "Matcher/Parser.h"
#include "mlir/Query/Query.h"
#include "mlir/Query/QuerySession.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/LineEditor/LineEditor.h"
namespace mlir::query {
class QuerySession;
class QueryParser {
public:
// Parse line as a query and return a QueryRef representing the query, which
// may be an InvalidQuery.
static QueryRef parse(llvm::StringRef line, const QuerySession &qs);
static std::vector<llvm::LineEditor::Completion>
complete(llvm::StringRef line, size_t pos, const QuerySession &qs);
private:
QueryParser(llvm::StringRef line, const QuerySession &qs)
: line(line), completionPos(nullptr), qs(qs) {}
llvm::StringRef lexWord();
template <typename T>
struct LexOrCompleteWord;
QueryRef completeMatcherExpression();
QueryRef endQuery(QueryRef queryRef);
// Parse [begin, end) and returns a reference to the parsed query object,
// which may be an InvalidQuery if a parse error occurs.
QueryRef doParse();
llvm::StringRef line;
const char *completionPos;
std::vector<llvm::LineEditor::Completion> completions;
const QuerySession &qs;
};
} // namespace mlir::query
#endif // MLIR_TOOLS_MLIRQUERY_QUERYPARSER_H
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