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1//===--- QueryParser.h - clang-query ----------------------------*- C++ -*-===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_QUERY_QUERY_PARSER_H10#define LLVM_CLANG_TOOLS_EXTRA_CLANG_QUERY_QUERY_PARSER_H11 12#include "Query.h"13#include "QuerySession.h"14#include "llvm/LineEditor/LineEditor.h"15#include <cstddef>16 17namespace clang {18namespace query {19 20class QuerySession;21 22class QueryParser {23public:24 /// Parse \a Line as a query.25 ///26 /// \return A QueryRef representing the query, which may be an InvalidQuery.27 static QueryRef parse(StringRef Line, const QuerySession &QS);28 29 /// Compute a list of completions for \a Line assuming a cursor at30 /// \param Pos characters past the start of \a Line, ordered from most31 /// likely to least likely.32 ///33 /// \return A vector of completions for \a Line.34 static std::vector<llvm::LineEditor::Completion>35 complete(StringRef Line, size_t Pos, const QuerySession &QS);36 37private:38 QueryParser(StringRef Line, const QuerySession &QS)39 : Line(Line), CompletionPos(nullptr), QS(QS) {}40 41 StringRef lexWord();42 43 template <typename T> struct LexOrCompleteWord;44 45 QueryRef parseSetBool(bool QuerySession::*Var);46 QueryRef parseSetTraversalKind(TraversalKind QuerySession::*Var);47 template <typename QueryType> QueryRef parseSetOutputKind();48 QueryRef completeMatcherExpression();49 50 QueryRef endQuery(QueryRef Q);51 52 /// Parse [\p Begin,\p End).53 ///54 /// \return A reference to the parsed query object, which may be an55 /// \c InvalidQuery if a parse error occurs.56 QueryRef doParse();57 58 StringRef Line;59 60 const char *CompletionPos;61 std::vector<llvm::LineEditor::Completion> Completions;62 63 const QuerySession &QS;64};65 66} // namespace query67} // namespace clang68 69#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_QUERY_QUERY_PARSER_H70