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authorvitalyisaev <vitalyisaev@yandex-team.com>2023-06-29 10:00:50 +0300
committervitalyisaev <vitalyisaev@yandex-team.com>2023-06-29 10:00:50 +0300
commit6ffe9e53658409f212834330e13564e4952558f6 (patch)
tree85b1e00183517648b228aafa7c8fb07f5276f419 /contrib/libs/llvm14/include/llvm/Remarks/RemarkParser.h
parent726057070f9c5a91fc10fde0d5024913d10f1ab9 (diff)
downloadydb-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.h104
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
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+++ 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