bool
runToolOnCodeWithArgs(clang::FrontendAction *ToolAction, const Twine &Code,
const std::vector<std::string> &Args,
const Twine &FileName,
const std::vector<std::pair<std::string, std::string>> &
VirtualMappedFiles) {
SmallString<16> FileNameStorage;
StringRef FileNameRef = FileName.toNullTerminatedStringRef(FileNameStorage);
llvm::IntrusiveRefCntPtr<FileManager> Files(
new FileManager(FileSystemOptions()));
ToolInvocation Invocation(getSyntaxOnlyToolArgs(Args, FileNameRef),
ToolAction, Files.get());
SmallString<1024> CodeStorage;
Invocation.mapVirtualFile(FileNameRef,
Code.toNullTerminatedStringRef(CodeStorage));
for (auto &FilenameWithContent : VirtualMappedFiles) {
Invocation.mapVirtualFile(FilenameWithContent.first,
FilenameWithContent.second);
}
return Invocation.run();
}
bool runToolOnCodeWithArgs(
clang::FrontendAction *ToolAction, const Twine &Code,
const std::vector<std::string> &Args, const Twine &FileName,
std::shared_ptr<PCHContainerOperations> PCHContainerOps,
const FileContentMappings &VirtualMappedFiles) {
SmallString<16> FileNameStorage;
StringRef FileNameRef = FileName.toNullTerminatedStringRef(FileNameStorage);
llvm::IntrusiveRefCntPtr<vfs::OverlayFileSystem> OverlayFileSystem(
new vfs::OverlayFileSystem(vfs::getRealFileSystem()));
llvm::IntrusiveRefCntPtr<vfs::InMemoryFileSystem> InMemoryFileSystem(
new vfs::InMemoryFileSystem);
OverlayFileSystem->pushOverlay(InMemoryFileSystem);
llvm::IntrusiveRefCntPtr<FileManager> Files(
new FileManager(FileSystemOptions(), OverlayFileSystem));
ToolInvocation Invocation(getSyntaxOnlyToolArgs(Args, FileNameRef),
ToolAction, Files.get(), PCHContainerOps);
SmallString<1024> CodeStorage;
InMemoryFileSystem->addFile(FileNameRef, 0,
llvm::MemoryBuffer::getMemBuffer(
Code.toNullTerminatedStringRef(CodeStorage)));
for (auto &FilenameWithContent : VirtualMappedFiles) {
InMemoryFileSystem->addFile(
FilenameWithContent.first, 0,
llvm::MemoryBuffer::getMemBuffer(FilenameWithContent.second));
}
return Invocation.run();
}