70 lines
2.0 KiB
C++
70 lines
2.0 KiB
C++
//===--- QueryParser.h - clang-query ----------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_QUERY_QUERY_PARSER_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANG_QUERY_QUERY_PARSER_H
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#include "Query.h"
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#include "QuerySession.h"
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#include "llvm/LineEditor/LineEditor.h"
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#include <cstddef>
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namespace clang {
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namespace query {
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class QuerySession;
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class QueryParser {
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public:
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/// Parse \a Line as a query.
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///
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/// \return A QueryRef representing the query, which may be an InvalidQuery.
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static QueryRef parse(StringRef Line, const QuerySession &QS);
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/// Compute a list of completions for \a Line assuming a cursor at
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/// \param Pos characters past the start of \a Line, ordered from most
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/// likely to least likely.
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///
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/// \return A vector of completions for \a Line.
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static std::vector<llvm::LineEditor::Completion>
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complete(StringRef Line, size_t Pos, const QuerySession &QS);
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private:
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QueryParser(StringRef Line, const QuerySession &QS)
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: Line(Line), CompletionPos(nullptr), QS(QS) {}
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StringRef lexWord();
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template <typename T> struct LexOrCompleteWord;
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QueryRef parseSetBool(bool QuerySession::*Var);
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QueryRef parseSetTraversalKind(TraversalKind QuerySession::*Var);
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template <typename QueryType> QueryRef parseSetOutputKind();
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QueryRef completeMatcherExpression();
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QueryRef endQuery(QueryRef Q);
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/// Parse [\p Begin,\p End).
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///
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/// \return A reference to the parsed query object, which may be an
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/// \c InvalidQuery if a parse error occurs.
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QueryRef doParse();
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StringRef Line;
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const char *CompletionPos;
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std::vector<llvm::LineEditor::Completion> Completions;
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const QuerySession &QS;
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};
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} // namespace query
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} // namespace clang
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#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_QUERY_QUERY_PARSER_H
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