6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
82 lines
2.6 KiB
C++
82 lines
2.6 KiB
C++
//===-- SupportFile.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_SUPPORTFILE_H
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#define LLDB_UTILITY_SUPPORTFILE_H
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#include "lldb/Utility/Checksum.h"
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#include "lldb/Utility/FileSpec.h"
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namespace lldb_private {
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/// Wraps either a FileSpec that represents a local file or a source
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/// file whose contents is known (for example because it can be
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/// reconstructed from debug info), but that hasn't been written to a
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/// file yet. This also stores an optional checksum of the on-disk content.
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class SupportFile {
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public:
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SupportFile() : m_file_spec(), m_checksum() {}
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SupportFile(const FileSpec &spec) : m_file_spec(spec), m_checksum() {}
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SupportFile(const FileSpec &spec, const Checksum &checksum)
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: m_file_spec(spec), m_checksum(checksum) {}
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SupportFile(const SupportFile &other) = delete;
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SupportFile(SupportFile &&other) = default;
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virtual ~SupportFile() = default;
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enum SupportFileEquality : uint8_t {
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eEqualFileSpec = (1u << 1),
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eEqualChecksum = (1u << 2),
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eEqualChecksumIfSet = (1u << 3),
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eEqualFileSpecAndChecksum = eEqualFileSpec | eEqualChecksum,
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eEqualFileSpecAndChecksumIfSet = eEqualFileSpec | eEqualChecksumIfSet,
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};
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bool Equal(const SupportFile &other,
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SupportFileEquality equality = eEqualFileSpecAndChecksum) const {
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assert(!(equality & eEqualChecksum & eEqualChecksumIfSet) &&
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"eEqualChecksum and eEqualChecksumIfSet are mutually exclusive");
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if (equality & eEqualFileSpec) {
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if (m_file_spec != other.m_file_spec)
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return false;
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}
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if (equality & eEqualChecksum) {
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if (m_checksum != other.m_checksum)
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return false;
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}
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if (equality & eEqualChecksumIfSet) {
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if (m_checksum && other.m_checksum)
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if (m_checksum != other.m_checksum)
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return false;
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}
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return true;
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}
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/// Return the file name only. Useful for resolving breakpoints by file name.
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const FileSpec &GetSpecOnly() const { return m_file_spec; };
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/// Return the checksum or all zeros if there is none.
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const Checksum &GetChecksum() const { return m_checksum; };
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/// Materialize the file to disk and return the path to that temporary file.
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virtual const FileSpec &Materialize() { return m_file_spec; }
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protected:
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FileSpec m_file_spec;
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Checksum m_checksum;
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};
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} // namespace lldb_private
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#endif // LLDB_UTILITY_SUPPORTFILE_H
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