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author | orivej <orivej@yandex-team.ru> | 2022-02-10 16:45:01 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:45:01 +0300 |
commit | 2d37894b1b037cf24231090eda8589bbb44fb6fc (patch) | |
tree | be835aa92c6248212e705f25388ebafcf84bc7a1 /contrib/libs/llvm12/lib/Support/SymbolRemappingReader.cpp | |
parent | 718c552901d703c502ccbefdfc3c9028d608b947 (diff) | |
download | ydb-2d37894b1b037cf24231090eda8589bbb44fb6fc.tar.gz |
Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/llvm12/lib/Support/SymbolRemappingReader.cpp')
-rw-r--r-- | contrib/libs/llvm12/lib/Support/SymbolRemappingReader.cpp | 160 |
1 files changed, 80 insertions, 80 deletions
diff --git a/contrib/libs/llvm12/lib/Support/SymbolRemappingReader.cpp b/contrib/libs/llvm12/lib/Support/SymbolRemappingReader.cpp index 9ef163be92..1caf094721 100644 --- a/contrib/libs/llvm12/lib/Support/SymbolRemappingReader.cpp +++ b/contrib/libs/llvm12/lib/Support/SymbolRemappingReader.cpp @@ -1,80 +1,80 @@ -//===- SymbolRemappingReader.cpp - Read symbol remapping file -------------===// -// -// 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 contains definitions needed for reading and applying symbol -// remapping files. -// -//===----------------------------------------------------------------------===// - -#include "llvm/Support/SymbolRemappingReader.h" -#include "llvm/ADT/StringSwitch.h" -#include "llvm/ADT/Twine.h" -#include "llvm/Support/LineIterator.h" - -using namespace llvm; - -char SymbolRemappingParseError::ID; - -/// Load a set of name remappings from a text file. -/// -/// See the documentation at the top of the file for an explanation of -/// the expected format. -Error SymbolRemappingReader::read(MemoryBuffer &B) { - line_iterator LineIt(B, /*SkipBlanks=*/true, '#'); - - auto ReportError = [&](Twine Msg) { - return llvm::make_error<SymbolRemappingParseError>( - B.getBufferIdentifier(), LineIt.line_number(), Msg); - }; - - for (; !LineIt.is_at_eof(); ++LineIt) { - StringRef Line = *LineIt; - Line = Line.ltrim(' '); - // line_iterator only detects comments starting in column 1. - if (Line.startswith("#") || Line.empty()) - continue; - - SmallVector<StringRef, 4> Parts; - Line.split(Parts, ' ', /*MaxSplits*/-1, /*KeepEmpty*/false); - - if (Parts.size() != 3) - return ReportError("Expected 'kind mangled_name mangled_name', " - "found '" + Line + "'"); - - using FK = ItaniumManglingCanonicalizer::FragmentKind; - Optional<FK> FragmentKind = StringSwitch<Optional<FK>>(Parts[0]) - .Case("name", FK::Name) - .Case("type", FK::Type) - .Case("encoding", FK::Encoding) - .Default(None); - if (!FragmentKind) - return ReportError("Invalid kind, expected 'name', 'type', or 'encoding'," - " found '" + Parts[0] + "'"); - - using EE = ItaniumManglingCanonicalizer::EquivalenceError; - switch (Canonicalizer.addEquivalence(*FragmentKind, Parts[1], Parts[2])) { - case EE::Success: - break; - - case EE::ManglingAlreadyUsed: - return ReportError("Manglings '" + Parts[1] + "' and '" + Parts[2] + "' " - "have both been used in prior remappings. Move this " - "remapping earlier in the file."); - - case EE::InvalidFirstMangling: - return ReportError("Could not demangle '" + Parts[1] + "' " - "as a <" + Parts[0] + ">; invalid mangling?"); - - case EE::InvalidSecondMangling: - return ReportError("Could not demangle '" + Parts[2] + "' " - "as a <" + Parts[0] + ">; invalid mangling?"); - } - } - - return Error::success(); -} +//===- SymbolRemappingReader.cpp - Read symbol remapping file -------------===// +// +// 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 contains definitions needed for reading and applying symbol +// remapping files. +// +//===----------------------------------------------------------------------===// + +#include "llvm/Support/SymbolRemappingReader.h" +#include "llvm/ADT/StringSwitch.h" +#include "llvm/ADT/Twine.h" +#include "llvm/Support/LineIterator.h" + +using namespace llvm; + +char SymbolRemappingParseError::ID; + +/// Load a set of name remappings from a text file. +/// +/// See the documentation at the top of the file for an explanation of +/// the expected format. +Error SymbolRemappingReader::read(MemoryBuffer &B) { + line_iterator LineIt(B, /*SkipBlanks=*/true, '#'); + + auto ReportError = [&](Twine Msg) { + return llvm::make_error<SymbolRemappingParseError>( + B.getBufferIdentifier(), LineIt.line_number(), Msg); + }; + + for (; !LineIt.is_at_eof(); ++LineIt) { + StringRef Line = *LineIt; + Line = Line.ltrim(' '); + // line_iterator only detects comments starting in column 1. + if (Line.startswith("#") || Line.empty()) + continue; + + SmallVector<StringRef, 4> Parts; + Line.split(Parts, ' ', /*MaxSplits*/-1, /*KeepEmpty*/false); + + if (Parts.size() != 3) + return ReportError("Expected 'kind mangled_name mangled_name', " + "found '" + Line + "'"); + + using FK = ItaniumManglingCanonicalizer::FragmentKind; + Optional<FK> FragmentKind = StringSwitch<Optional<FK>>(Parts[0]) + .Case("name", FK::Name) + .Case("type", FK::Type) + .Case("encoding", FK::Encoding) + .Default(None); + if (!FragmentKind) + return ReportError("Invalid kind, expected 'name', 'type', or 'encoding'," + " found '" + Parts[0] + "'"); + + using EE = ItaniumManglingCanonicalizer::EquivalenceError; + switch (Canonicalizer.addEquivalence(*FragmentKind, Parts[1], Parts[2])) { + case EE::Success: + break; + + case EE::ManglingAlreadyUsed: + return ReportError("Manglings '" + Parts[1] + "' and '" + Parts[2] + "' " + "have both been used in prior remappings. Move this " + "remapping earlier in the file."); + + case EE::InvalidFirstMangling: + return ReportError("Could not demangle '" + Parts[1] + "' " + "as a <" + Parts[0] + ">; invalid mangling?"); + + case EE::InvalidSecondMangling: + return ReportError("Could not demangle '" + Parts[2] + "' " + "as a <" + Parts[0] + ">; invalid mangling?"); + } + } + + return Error::success(); +} |