(command.CommandList children: [ (command.Pipeline children: [ (C {(wget)} {(-O)} {(-)} {(http) (Lit_Other ':') (//llvm.org/apt/llvm-snapshot.gpg.key)}) (C {(sudo)} {(apt-key)} {(add)} {(-)}) ] negated: F ) (C {(sudo)} {(apt-add-repository)} {(-y)} {(DQ ('deb http://llvm.org/apt/trusty/ llvm-toolchain-trusty-4.0 main'))} ) (C {(sudo)} {(apt-get)} {(update)}) (C {(sudo)} {(apt-get)} {(install)} {(clang-4.0)} {(clang-format-4.0)} {(clang-tidy-4.0)}) ] )