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DependencyScanning: pull factory function into MinimizedVFS, NFC 

Avoid need for getBufferPtr API, simplifying another patch. No
functionality change.
This commit is contained in:
Duncan P. N. Exon Smith 2020-10-12 16:01:07 -04:00
parent 350fafabe9
commit d07b290e4b
1 changed files with 11 additions and 9 deletions
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20
clang/lib/Tooling/DependencyScanning/DependencyScanningFilesystem.cpp
View File

@ -217,9 +217,11 @@ public:
llvm::vfs::Status Stat)
: Buffer(std::move(Buffer)), Stat(std::move(Stat)) {}
llvm::ErrorOr<llvm::vfs::Status> status() override { return Stat; }
static llvm::ErrorOr<std::unique_ptr<llvm::vfs::File>>
create(const CachedFileSystemEntry *Entry,
ExcludedPreprocessorDirectiveSkipMapping *PPSkipMappings);
const llvm::MemoryBuffer *getBufferPtr() const { return Buffer.get(); }
llvm::ErrorOr<llvm::vfs::Status> status() override { return Stat; }
llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>>
getBuffer(const Twine &Name, int64_t FileSize, bool RequiresNullTerminator,
@ -234,9 +236,11 @@ private:
llvm::vfs::Status Stat;
};
llvm::ErrorOr<std::unique_ptr<llvm::vfs::File>>
createFile(const CachedFileSystemEntry *Entry,
ExcludedPreprocessorDirectiveSkipMapping *PPSkipMappings) {
} // end anonymous namespace
llvm::ErrorOr<std::unique_ptr<llvm::vfs::File>> MinimizedVFSFile::create(
const CachedFileSystemEntry *Entry,
ExcludedPreprocessorDirectiveSkipMapping *PPSkipMappings) {
if (Entry->isDirectory())
return llvm::ErrorOr<std::unique_ptr<llvm::vfs::File>>(
std::make_error_code(std::errc::is_a_directory));
@ -248,14 +252,12 @@ createFile(const CachedFileSystemEntry *Entry,
/*RequiresNullTerminator=*/false),
*Entry->getStatus());
if (!Entry->getPPSkippedRangeMapping().empty() && PPSkipMappings)
(*PPSkipMappings)[Result->getBufferPtr()] =
(*PPSkipMappings)[Result->Buffer.get()] =
&Entry->getPPSkippedRangeMapping();
return llvm::ErrorOr<std::unique_ptr<llvm::vfs::File>>(
std::unique_ptr<llvm::vfs::File>(std::move(Result)));
}
} // end anonymous namespace
llvm::ErrorOr<std::unique_ptr<llvm::vfs::File>>
DependencyScanningWorkerFilesystem::openFileForRead(const Twine &Path) {
SmallString<256> OwnedFilename;
@ -265,5 +267,5 @@ DependencyScanningWorkerFilesystem::openFileForRead(const Twine &Path) {
getOrCreateFileSystemEntry(Filename);
if (!Result)
return Result.getError();
return createFile(Result.get(), PPSkipMappings);
return MinimizedVFSFile::create(Result.get(), PPSkipMappings);
}