6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
78 lines
2.6 KiB
C++
78 lines
2.6 KiB
C++
//===-- RealpathPrefixes.h --------------------------------------*- 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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#ifndef LLDB_UTILITY_REALPATHPREFIXES_H
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#define LLDB_UTILITY_REALPATHPREFIXES_H
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#include "lldb/lldb-forward.h"
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#include "llvm/ADT/IntrusiveRefCntPtr.h"
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#include "llvm/Support/VirtualFileSystem.h"
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#include <optional>
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#include <string>
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#include <vector>
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namespace lldb_private {
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class RealpathPrefixes {
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public:
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/// \param[in] file_spec_list
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/// Prefixes are obtained from FileSpecList, through FileSpec::GetPath(),
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/// which ensures that the paths are normalized. For example:
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/// "./foo/.." -> ""
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/// "./foo/../bar" -> "bar"
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///
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/// \param[in] fs
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/// An optional filesystem to use for realpath'ing. If not set, the real
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/// filesystem will be used.
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explicit RealpathPrefixes(const FileSpecList &file_spec_list,
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llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> fs =
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llvm::vfs::getRealFileSystem());
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std::optional<FileSpec> ResolveSymlinks(const FileSpec &file_spec);
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// If/when Statistics.h/cpp is moved into Utility, we can remove these
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// methods, hold a (weak) pointer to `TargetStats` and directly increment
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// on that object.
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void IncreaseSourceRealpathAttemptCount() {
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++m_source_realpath_attempt_count;
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}
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uint32_t GetSourceRealpathAttemptCount() const {
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return m_source_realpath_attempt_count;
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}
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void IncreaseSourceRealpathCompatibleCount() {
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++m_source_realpath_compatible_count;
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}
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uint32_t GetSourceRealpathCompatibleCount() const {
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return m_source_realpath_compatible_count;
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}
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private:
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// Paths that start with one of the prefixes in this list will be realpath'ed
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// to resolve any symlinks.
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//
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// Wildcard prefixes:
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// - "" (empty string) will match all paths.
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// - "/" will match all absolute paths.
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std::vector<std::string> m_prefixes;
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// The filesystem to use for realpath'ing.
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llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> m_fs;
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// The optional Target instance to gather statistics.
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lldb::TargetWP m_target;
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// Statistics that we temprarily hold here, to be gathered into TargetStats
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uint32_t m_source_realpath_attempt_count = 0;
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uint32_t m_source_realpath_compatible_count = 0;
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};
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} // namespace lldb_private
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#endif // LLDB_UTILITY_REALPATHPREFIXES_H
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