| 1 | //===--- QueryParser.h - ----------------------------------------*- C++ -*-===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #ifndef MLIR_TOOLS_MLIRQUERY_QUERYPARSER_H |
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| 10 | #define MLIR_TOOLS_MLIRQUERY_QUERYPARSER_H |
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| 11 | |
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| 12 | #include "Matcher/Parser.h" |
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| 13 | #include "mlir/Query/Query.h" |
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| 14 | #include "mlir/Query/QuerySession.h" |
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| 15 | |
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| 16 | #include "llvm/ADT/StringRef.h" |
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| 17 | #include "llvm/LineEditor/LineEditor.h" |
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| 18 | |
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| 19 | namespace mlir::query { |
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| 20 | |
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| 21 | class QuerySession; |
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| 22 | |
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| 23 | class QueryParser { |
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| 24 | public: |
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| 25 | // Parse line as a query and return a QueryRef representing the query, which |
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| 26 | // may be an InvalidQuery. |
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| 27 | static QueryRef parse(llvm::StringRef line, const QuerySession &qs); |
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| 28 | |
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| 29 | static std::vector<llvm::LineEditor::Completion> |
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| 30 | complete(llvm::StringRef line, size_t pos, const QuerySession &qs); |
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| 31 | |
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| 32 | private: |
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| 33 | QueryParser(llvm::StringRef line, const QuerySession &qs) |
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| 34 | : line(line), completionPos(nullptr), qs(qs) {} |
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| 35 | |
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| 36 | llvm::StringRef lexWord(); |
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| 37 | |
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| 38 | template <typename T> |
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| 39 | struct LexOrCompleteWord; |
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| 40 | |
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| 41 | QueryRef completeMatcherExpression(); |
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| 42 | |
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| 43 | QueryRef endQuery(QueryRef queryRef); |
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| 44 | |
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| 45 | // Parse [begin, end) and returns a reference to the parsed query object, |
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| 46 | // which may be an InvalidQuery if a parse error occurs. |
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| 47 | QueryRef doParse(); |
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| 48 | |
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| 49 | llvm::StringRef line; |
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| 50 | |
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| 51 | const char *completionPos; |
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| 52 | std::vector<llvm::LineEditor::Completion> completions; |
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| 53 | |
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| 54 | const QuerySession &qs; |
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| 55 | }; |
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| 56 | |
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| 57 | } // namespace mlir::query |
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| 58 | |
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| 59 | #endif // MLIR_TOOLS_MLIRQUERY_QUERYPARSER_H |
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| 60 | |
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