6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
101 lines
3.4 KiB
C++
101 lines
3.4 KiB
C++
//===- llvm/TextAPI/Utils.h - TAPI Utils -----------------------*- 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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//
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// Helper functionality used for Darwin specific operations.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TEXTAPI_UTILS_H
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#define LLVM_TEXTAPI_UTILS_H
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#include "llvm/ADT/Twine.h"
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#include "llvm/Support/Error.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "llvm/Support/Path.h"
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#include "llvm/Support/Regex.h"
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#include "llvm/TextAPI/Symbol.h"
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#include <map>
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#if !defined(PATH_MAX)
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#define PATH_MAX 1024
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#endif // !defined(PATH_MAX)
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#define MACCATALYST_PREFIX_PATH "/System/iOSSupport"
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#define DRIVERKIT_PREFIX_PATH "/System/DriverKit"
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namespace llvm::MachO {
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using PathSeq = std::vector<std::string>;
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using PathToPlatform = std::pair<std::string, std::optional<PlatformType>>;
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using PathToPlatformSeq = std::vector<PathToPlatform>;
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// Defines simple struct for storing symbolic links.
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struct SymLink {
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std::string SrcPath;
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std::string LinkContent;
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SymLink(std::string Path, std::string Link)
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: SrcPath(std::move(Path)), LinkContent(std::move(Link)) {}
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SymLink(StringRef Path, StringRef Link)
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: SrcPath(std::string(Path)), LinkContent(std::string(Link)) {}
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};
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/// Replace extension considering frameworks.
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///
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/// \param Path Location of file.
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/// \param Extension File extension to update with.
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void replace_extension(SmallVectorImpl<char> &Path, const Twine &Extension);
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/// Determine whether to skip over symlink due to either too many symlink levels
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/// or is cyclic.
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///
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/// \param Path Location to symlink.
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/// \param Result Holds whether to skip over Path.
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std::error_code shouldSkipSymLink(const Twine &Path, bool &Result);
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/// Turn absolute symlink into relative.
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///
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/// \param From The symlink.
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/// \param To What the symlink points to.
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/// \param RelativePath Path location to update what the symlink points to.
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std::error_code make_relative(StringRef From, StringRef To,
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SmallVectorImpl<char> &RelativePath);
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/// Determine if library is private by parsing file path.
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/// It does not touch the file system.
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///
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/// \param Path File path for library.
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/// \param IsSymLink Whether path points to a symlink.
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bool isPrivateLibrary(StringRef Path, bool IsSymLink = false);
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/// Create a regex rule from provided glob string.
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/// \param Glob String that represents glob input.
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/// \return The equivalent regex rule.
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llvm::Expected<llvm::Regex> createRegexFromGlob(llvm::StringRef Glob);
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using AliasEntry = std::pair<std::string, EncodeKind>;
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using AliasMap = std::map<AliasEntry, AliasEntry>;
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/// Parse input list and capture symbols and their alias.
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///
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/// \param Buffer Data contents of file for the alias list.
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/// \return Lookup table of alias to their base symbol.
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Expected<AliasMap> parseAliasList(std::unique_ptr<llvm::MemoryBuffer> &Buffer);
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/// Pickup active paths for a given platform.
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///
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/// \param Paths File or search paths to pick up.
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/// \param Platform Platform to collect paths for.
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PathSeq getPathsForPlatform(const PathToPlatformSeq &Paths,
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PlatformType Platform);
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} // namespace llvm::MachO
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#endif // LLVM_TEXTAPI_UTILS_H
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