VirtualOutputBackends.cpp File Reference

This file implements the VirtualOutputBackend types, including: More...

#include "llvm/Support/VirtualOutputBackends.h"
#include "llvm/ADT/ScopeExit.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/LockFileManager.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/Process.h"
#include "llvm/Support/Signals.h"
#include "llvm/Support/VirtualOutputConfig.h"
#include "llvm/Support/VirtualOutputError.h"

Go to the source code of this file.

Functions
static OutputConfig	applySettings (std::optional< OutputConfig > &&Config, const OnDiskOutputBackend::OutputSettings &Settings)
static Error	createDirectoriesOnDemand (StringRef OutputPath, OutputConfig Config, llvm::function_ref< Error()> CreateFile)
static Expected< FileDifference >	areFilesDifferent (const llvm::Twine &Source, const llvm::Twine &Destination)

Detailed Description

This file implements the VirtualOutputBackend types, including:

• NullOutputBackend: Outputs to NullOutputBackend are discarded.
• FilteringOutputBackend: Filter paths from output.
• MirroringOutputBackend: Mirror the output into two different backend.
• OnDiskOutputBackend: Write output files to disk.

Definition in file VirtualOutputBackends.cpp.

Function Documentation

applySettings()

OutputConfig applySettings ( std::optional< OutputConfig > && Config, const OnDiskOutputBackend::OutputSettings & Settings )

static

Definition at line 192 of file VirtualOutputBackends.cpp.

References llvm::vfs::OnDiskOutputBackend::OutputSettings::DefaultConfig, llvm::vfs::OnDiskOutputBackend::OutputSettings::RemoveOnSignal, and llvm::vfs::OnDiskOutputBackend::OutputSettings::UseTemporaries.

areFilesDifferent()

Expected< FileDifference > areFilesDifferent ( const llvm::Twine & Source, const llvm::Twine & Destination )

static

Definition at line 380 of file VirtualOutputBackends.cpp.

References llvm::sys::fs::mapped_file_region::const_data(), llvm::sys::fs::convertFDToNativeFile(), llvm::vfs::convertToOutputError(), llvm::sys::fs::equivalent(), llvm::sys::fs::basic_file_status::getSize(), memcmp, llvm::sys::fs::openFileForRead(), llvm::sys::fs::mapped_file_region::readonly, Size, and llvm::sys::fs::status().

createDirectoriesOnDemand()

Error createDirectoriesOnDemand ( StringRef OutputPath, OutputConfig Config, llvm::function_ref< Error()> CreateFile )

static

Definition at line 242 of file VirtualOutputBackends.cpp.

References llvm::sys::fs::create_directories(), llvm::Error, llvm::handleErrors(), llvm::make_error(), and llvm::sys::path::parent_path().