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author | vitalyisaev <vitalyisaev@yandex-team.com> | 2023-06-29 10:00:50 +0300 |
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committer | vitalyisaev <vitalyisaev@yandex-team.com> | 2023-06-29 10:00:50 +0300 |
commit | 6ffe9e53658409f212834330e13564e4952558f6 (patch) | |
tree | 85b1e00183517648b228aafa7c8fb07f5276f419 /contrib/libs/llvm14/include/llvm/Remarks/RemarkParser.h | |
parent | 726057070f9c5a91fc10fde0d5024913d10f1ab9 (diff) | |
download | ydb-6ffe9e53658409f212834330e13564e4952558f6.tar.gz |
YQ Connector: support managed ClickHouse
Со стороны dqrun можно обратиться к инстансу коннектора, который работает на streaming стенде, и извлечь данные из облачного CH.
Diffstat (limited to 'contrib/libs/llvm14/include/llvm/Remarks/RemarkParser.h')
-rw-r--r-- | contrib/libs/llvm14/include/llvm/Remarks/RemarkParser.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/contrib/libs/llvm14/include/llvm/Remarks/RemarkParser.h b/contrib/libs/llvm14/include/llvm/Remarks/RemarkParser.h new file mode 100644 index 0000000000..710f454356 --- /dev/null +++ b/contrib/libs/llvm14/include/llvm/Remarks/RemarkParser.h @@ -0,0 +1,104 @@ +#pragma once + +#ifdef __GNUC__ +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wunused-parameter" +#endif + +//===-- llvm/Remarks/Remark.h - The remark type -----------------*- 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 +// +//===----------------------------------------------------------------------===// +// +// This file provides an interface for parsing remarks in LLVM. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_REMARKS_REMARKPARSER_H +#define LLVM_REMARKS_REMARKPARSER_H + +#include "llvm/ADT/StringRef.h" +#include "llvm/Remarks/RemarkFormat.h" +#include "llvm/Support/Error.h" +#include <memory> + +namespace llvm { +namespace remarks { + +struct Remark; + +class EndOfFileError : public ErrorInfo<EndOfFileError> { +public: + static char ID; + + EndOfFileError() = default; + + void log(raw_ostream &OS) const override { OS << "End of file reached."; } + std::error_code convertToErrorCode() const override { + return inconvertibleErrorCode(); + } +}; + +/// Parser used to parse a raw buffer to remarks::Remark objects. +struct RemarkParser { + /// The format of the parser. + Format ParserFormat; + /// Path to prepend when opening an external remark file. + std::string ExternalFilePrependPath; + + RemarkParser(Format ParserFormat) : ParserFormat(ParserFormat) {} + + /// If no error occurs, this returns a valid Remark object. + /// If an error of type EndOfFileError occurs, it is safe to recover from it + /// by stopping the parsing. + /// If any other error occurs, it should be propagated to the user. + /// The pointer should never be null. + virtual Expected<std::unique_ptr<Remark>> next() = 0; + + virtual ~RemarkParser() = default; +}; + +/// In-memory representation of the string table parsed from a buffer (e.g. the +/// remarks section). +struct ParsedStringTable { + /// The buffer mapped from the section contents. + StringRef Buffer; + /// This object has high changes to be std::move'd around, so don't use a + /// SmallVector for once. + std::vector<size_t> Offsets; + + ParsedStringTable(StringRef Buffer); + /// Disable copy. + ParsedStringTable(const ParsedStringTable &) = delete; + ParsedStringTable &operator=(const ParsedStringTable &) = delete; + /// Should be movable. + ParsedStringTable(ParsedStringTable &&) = default; + ParsedStringTable &operator=(ParsedStringTable &&) = default; + + size_t size() const { return Offsets.size(); } + Expected<StringRef> operator[](size_t Index) const; +}; + +Expected<std::unique_ptr<RemarkParser>> createRemarkParser(Format ParserFormat, + StringRef Buf); + +Expected<std::unique_ptr<RemarkParser>> +createRemarkParser(Format ParserFormat, StringRef Buf, + ParsedStringTable StrTab); + +Expected<std::unique_ptr<RemarkParser>> +createRemarkParserFromMeta(Format ParserFormat, StringRef Buf, + Optional<ParsedStringTable> StrTab = None, + Optional<StringRef> ExternalFilePrependPath = None); + +} // end namespace remarks +} // end namespace llvm + +#endif // LLVM_REMARKS_REMARKPARSER_H + +#ifdef __GNUC__ +#pragma GCC diagnostic pop +#endif |