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Diffstat (limited to 'clap/benches/06_rustup.rs')
| -rw-r--r-- | clap/benches/06_rustup.rs | 458 |
1 files changed, 0 insertions, 458 deletions
diff --git a/clap/benches/06_rustup.rs b/clap/benches/06_rustup.rs deleted file mode 100644 index f9ba477..0000000 --- a/clap/benches/06_rustup.rs +++ /dev/null @@ -1,458 +0,0 @@ -// Used to simulate a fairly large number of subcommands -// -// CLI used is from rustup 408ed84f0e50511ed44a405dd91365e5da588790 - -#![feature(test)] - -extern crate clap; -extern crate test; - -use clap::{App, AppSettings, Arg, Shell, SubCommand, ArgGroup}; - -use test::Bencher; - -#[bench] -fn build_app(b: &mut Bencher) { b.iter(|| build_cli()); } - -#[bench] -fn parse_clean(b: &mut Bencher) { b.iter(|| build_cli().get_matches_from(vec![""])); } - -#[bench] -fn parse_subcommands(b: &mut Bencher) { - b.iter(|| build_cli().get_matches_from(vec!["rustup override add stable"])); -} - -pub fn build_cli() -> App<'static, 'static> { - App::new("rustup") - .version("0.9.0") // Simulating - .about("The Rust toolchain installer") - .after_help(RUSTUP_HELP) - .setting(AppSettings::VersionlessSubcommands) - .setting(AppSettings::DeriveDisplayOrder) - // .setting(AppSettings::SubcommandRequiredElseHelp) - .arg(Arg::with_name("verbose") - .help("Enable verbose output") - .short("v") - .long("verbose")) - .subcommand(SubCommand::with_name("show") - .about("Show the active and installed toolchains") - .after_help(SHOW_HELP)) - .subcommand(SubCommand::with_name("install") - .about("Update Rust toolchains") - .after_help(TOOLCHAIN_INSTALL_HELP) - .setting(AppSettings::Hidden) // synonym for 'toolchain install' - .arg(Arg::with_name("toolchain") - .required(true))) - .subcommand(SubCommand::with_name("update") - .about("Update Rust toolchains") - .after_help(UPDATE_HELP) - .arg(Arg::with_name("toolchain").required(false)) - .arg(Arg::with_name("no-self-update") - .help("Don't perform self update when running the `rustup` command") - .long("no-self-update") - .takes_value(false) - .hidden(true))) - .subcommand(SubCommand::with_name("default") - .about("Set the default toolchain") - .after_help(DEFAULT_HELP) - .arg(Arg::with_name("toolchain").required(true))) - .subcommand(SubCommand::with_name("toolchain") - .about("Modify or query the installed toolchains") - .after_help(TOOLCHAIN_HELP) - .setting(AppSettings::VersionlessSubcommands) - .setting(AppSettings::DeriveDisplayOrder) - // .setting(AppSettings::SubcommandRequiredElseHelp) - .subcommand(SubCommand::with_name("list").about("List installed toolchains")) - .subcommand(SubCommand::with_name("install") - .about("Install or update a given toolchain") - .arg(Arg::with_name("toolchain").required(true))) - .subcommand(SubCommand::with_name("uninstall") - .about("Uninstall a toolchain") - .arg(Arg::with_name("toolchain").required(true))) - .subcommand(SubCommand::with_name("link") - .about("Create a custom toolchain by symlinking to a directory") - .arg(Arg::with_name("toolchain").required(true)) - .arg(Arg::with_name("path").required(true))) - .subcommand(SubCommand::with_name("update") - .setting(AppSettings::Hidden) // synonym for 'install' - .arg(Arg::with_name("toolchain") - .required(true))) - .subcommand(SubCommand::with_name("add") - .setting(AppSettings::Hidden) // synonym for 'install' - .arg(Arg::with_name("toolchain") - .required(true))) - .subcommand(SubCommand::with_name("remove") - .setting(AppSettings::Hidden) // synonym for 'uninstall' - .arg(Arg::with_name("toolchain") - .required(true)))) - .subcommand(SubCommand::with_name("target") - .about("Modify a toolchain's supported targets") - .setting(AppSettings::VersionlessSubcommands) - .setting(AppSettings::DeriveDisplayOrder) - // .setting(AppSettings::SubcommandRequiredElseHelp) - .subcommand(SubCommand::with_name("list") - .about("List installed and available targets") - .arg(Arg::with_name("toolchain") - .long("toolchain") - .takes_value(true))) - .subcommand(SubCommand::with_name("add") - .about("Add a target to a Rust toolchain") - .arg(Arg::with_name("target").required(true)) - .arg(Arg::with_name("toolchain") - .long("toolchain") - .takes_value(true))) - .subcommand(SubCommand::with_name("remove") - .about("Remove a target from a Rust toolchain") - .arg(Arg::with_name("target").required(true)) - .arg(Arg::with_name("toolchain") - .long("toolchain") - .takes_value(true))) - .subcommand(SubCommand::with_name("install") - .setting(AppSettings::Hidden) // synonym for 'add' - .arg(Arg::with_name("target") - .required(true)) - .arg(Arg::with_name("toolchain") - .long("toolchain") - .takes_value(true))) - .subcommand(SubCommand::with_name("uninstall") - .setting(AppSettings::Hidden) // synonym for 'remove' - .arg(Arg::with_name("target") - .required(true)) - .arg(Arg::with_name("toolchain") - .long("toolchain") - .takes_value(true)))) - .subcommand(SubCommand::with_name("component") - .about("Modify a toolchain's installed components") - .setting(AppSettings::VersionlessSubcommands) - .setting(AppSettings::DeriveDisplayOrder) - // .setting(AppSettings::SubcommandRequiredElseHelp) - .subcommand(SubCommand::with_name("list") - .about("List installed and available components") - .arg(Arg::with_name("toolchain") - .long("toolchain") - .takes_value(true))) - .subcommand(SubCommand::with_name("add") - .about("Add a component to a Rust toolchain") - .arg(Arg::with_name("component").required(true)) - .arg(Arg::with_name("toolchain") - .long("toolchain") - .takes_value(true)) - .arg(Arg::with_name("target") - .long("target") - .takes_value(true))) - .subcommand(SubCommand::with_name("remove") - .about("Remove a component from a Rust toolchain") - .arg(Arg::with_name("component").required(true)) - .arg(Arg::with_name("toolchain") - .long("toolchain") - .takes_value(true)) - .arg(Arg::with_name("target") - .long("target") - .takes_value(true)))) - .subcommand(SubCommand::with_name("override") - .about("Modify directory toolchain overrides") - .after_help(OVERRIDE_HELP) - .setting(AppSettings::VersionlessSubcommands) - .setting(AppSettings::DeriveDisplayOrder) - // .setting(AppSettings::SubcommandRequiredElseHelp) - .subcommand(SubCommand::with_name("list").about("List directory toolchain overrides")) - .subcommand(SubCommand::with_name("set") - .about("Set the override toolchain for a directory") - .arg(Arg::with_name("toolchain").required(true))) - .subcommand(SubCommand::with_name("unset") - .about("Remove the override toolchain for a directory") - .after_help(OVERRIDE_UNSET_HELP) - .arg(Arg::with_name("path") - .long("path") - .takes_value(true) - .help("Path to the directory")) - .arg(Arg::with_name("nonexistent") - .long("nonexistent") - .takes_value(false) - .help("Remove override toolchain for all nonexistent directories"))) - .subcommand(SubCommand::with_name("add") - .setting(AppSettings::Hidden) // synonym for 'set' - .arg(Arg::with_name("toolchain") - .required(true))) - .subcommand(SubCommand::with_name("remove") - .setting(AppSettings::Hidden) // synonym for 'unset' - .about("Remove the override toolchain for a directory") - .arg(Arg::with_name("path") - .long("path") - .takes_value(true)) - .arg(Arg::with_name("nonexistent") - .long("nonexistent") - .takes_value(false) - .help("Remove override toolchain for all nonexistent directories")))) - .subcommand(SubCommand::with_name("run") - .about("Run a command with an environment configured for a given toolchain") - .after_help(RUN_HELP) - .setting(AppSettings::TrailingVarArg) - .arg(Arg::with_name("toolchain").required(true)) - .arg(Arg::with_name("command") - .required(true) - .multiple(true) - .use_delimiter(false))) - .subcommand(SubCommand::with_name("which") - .about("Display which binary will be run for a given command") - .arg(Arg::with_name("command").required(true))) - .subcommand(SubCommand::with_name("doc") - .about("Open the documentation for the current toolchain") - .after_help(DOC_HELP) - .arg(Arg::with_name("book") - .long("book") - .help("The Rust Programming Language book")) - .arg(Arg::with_name("std") - .long("std") - .help("Standard library API documentation")) - .group(ArgGroup::with_name("page").args(&["book", "std"]))) - .subcommand(SubCommand::with_name("man") - .about("View the man page for a given command") - .arg(Arg::with_name("command").required(true)) - .arg(Arg::with_name("toolchain") - .long("toolchain") - .takes_value(true))) - .subcommand(SubCommand::with_name("self") - .about("Modify the rustup installation") - .setting(AppSettings::VersionlessSubcommands) - .setting(AppSettings::DeriveDisplayOrder) - // .setting(AppSettings::SubcommandRequiredElseHelp) - .subcommand(SubCommand::with_name("update") - .about("Download and install updates to rustup")) - .subcommand(SubCommand::with_name("uninstall") - .about("Uninstall rustup.") - .arg(Arg::with_name("no-prompt").short("y"))) - .subcommand(SubCommand::with_name("upgrade-data") - .about("Upgrade the internal data format."))) - .subcommand(SubCommand::with_name("telemetry") - .about("rustup telemetry commands") - .setting(AppSettings::Hidden) - .setting(AppSettings::VersionlessSubcommands) - .setting(AppSettings::DeriveDisplayOrder) - // .setting(AppSettings::SubcommandRequiredElseHelp) - .subcommand(SubCommand::with_name("enable").about("Enable rustup telemetry")) - .subcommand(SubCommand::with_name("disable").about("Disable rustup telemetry")) - .subcommand(SubCommand::with_name("analyze").about("Analyze stored telemetry"))) - .subcommand(SubCommand::with_name("set") - .about("Alter rustup settings") - // .setting(AppSettings::SubcommandRequiredElseHelp) - .subcommand(SubCommand::with_name("default-host") - .about("The triple used to identify toolchains when not specified") - .arg(Arg::with_name("host_triple").required(true)))) - .subcommand(SubCommand::with_name("completions") - .about("Generate completion scripts for your shell") - .after_help(COMPLETIONS_HELP) - .setting(AppSettings::ArgRequiredElseHelp) - .arg(Arg::with_name("shell").possible_values(&Shell::variants()))) -} - -static RUSTUP_HELP: &'static str = r" -rustup installs The Rust Programming Language from the official -release channels, enabling you to easily switch between stable, beta, -and nightly compilers and keep them updated. It makes cross-compiling -simpler with binary builds of the standard library for common platforms. - -If you are new to Rust consider running `rustup doc --book` -to learn Rust."; - -static SHOW_HELP: &'static str = r" -Shows the name of the active toolchain and the version of `rustc`. - -If the active toolchain has installed support for additional -compilation targets, then they are listed as well. - -If there are multiple toolchains installed then all installed -toolchains are listed as well."; - -static UPDATE_HELP: &'static str = r" -With no toolchain specified, the `update` command updates each of the -installed toolchains from the official release channels, then updates -rustup itself. - -If given a toolchain argument then `update` updates that toolchain, -the same as `rustup toolchain install`. - -'toolchain' specifies a toolchain name, such as 'stable', 'nightly', -or '1.8.0'. For more information see `rustup help toolchain`."; - -static TOOLCHAIN_INSTALL_HELP: &'static str = r" -Installs a specific rust toolchain. - -The 'install' command is an alias for 'rustup update <toolchain>'. - -'toolchain' specifies a toolchain name, such as 'stable', 'nightly', -or '1.8.0'. For more information see `rustup help toolchain`."; - -static DEFAULT_HELP: &'static str = r" -Sets the default toolchain to the one specified. If the toolchain is -not already installed then it is installed first."; - -static TOOLCHAIN_HELP: &'static str = r" -Many `rustup` commands deal with *toolchains*, a single installation -of the Rust compiler. `rustup` supports multiple types of -toolchains. The most basic track the official release channels: -'stable', 'beta' and 'nightly'; but `rustup` can also install -toolchains from the official archives, for alternate host platforms, -and from local builds. - -Standard release channel toolchain names have the following form: - - <channel>[-<date>][-<host>] - - <channel> = stable|beta|nightly|<version> - <date> = YYYY-MM-DD - <host> = <target-triple> - -'channel' is either a named release channel or an explicit version -number, such as '1.8.0'. Channel names can be optionally appended with -an archive date, as in 'nightly-2014-12-18', in which case the -toolchain is downloaded from the archive for that date. - -Finally, the host may be specified as a target triple. This is most -useful for installing a 32-bit compiler on a 64-bit platform, or for -installing the [MSVC-based toolchain] on Windows. For example: - - rustup toolchain install stable-x86_64-pc-windows-msvc - -For convenience, elements of the target triple that are omitted will be -inferred, so the above could be written: - - $ rustup default stable-msvc - -Toolchain names that don't name a channel instead can be used to name -custom toolchains with the `rustup toolchain link` command."; - -static OVERRIDE_HELP: &'static str = r" -Overrides configure rustup to use a specific toolchain when -running in a specific directory. - -Directories can be assigned their own Rust toolchain with -`rustup override`. When a directory has an override then -any time `rustc` or `cargo` is run inside that directory, -or one of its child directories, the override toolchain -will be invoked. - -To pin to a specific nightly: - - rustup override set nightly-2014-12-18 - -Or a specific stable release: - - rustup override set 1.0.0 - -To see the active toolchain use `rustup show`. To remove the override -and use the default toolchain again, `rustup override unset`."; - -static OVERRIDE_UNSET_HELP: &'static str = r" -If `--path` argument is present, removes the override toolchain for -the specified directory. If `--nonexistent` argument is present, removes -the override toolchain for all nonexistent directories. Otherwise, -removes the override toolchain for the current directory."; - -static RUN_HELP: &'static str = r" -Configures an environment to use the given toolchain and then runs -the specified program. The command may be any program, not just -rustc or cargo. This can be used for testing arbitrary toolchains -without setting an override. - -Commands explicitly proxied by `rustup` (such as `rustc` and `cargo`) -also have a shorthand for this available. The toolchain can be set by -using `+toolchain` as the first argument. These are equivalent: - - cargo +nightly build - - rustup run nightly cargo build"; - -static DOC_HELP: &'static str = r" -Opens the documentation for the currently active toolchain with the -default browser. - -By default, it opens the documentation index. Use the various flags to -open specific pieces of documentation."; - -static COMPLETIONS_HELP: &'static str = r" -One can generate a completion script for `rustup` that is compatible with -a given shell. The script is output on `stdout` allowing one to re-direct -the output to the file of their choosing. Where you place the file will -depend on which shell, and which operating system you are using. Your -particular configuration may also determine where these scripts need -to be placed. - -Here are some common set ups for the three supported shells under -Unix and similar operating systems (such as GNU/Linux). - -BASH: - -Completion files are commonly stored in `/usr/share/bash-completion/completions` - -Run the command: - -`rustup completions bash > /usr/share/bash-completion/completions/rustup.bash` - -This installs the completion script. You may have to log out and log -back in to your shell session for the changes to take affect. - -FISH: - -Fish completion files are commonly stored in -`$HOME/.config/fish/completions` - -Run the command: -`rustup completions fish > ~/.config/fish/completions/rustup.fish` - -This installs the completion script. You may have to log out and log -back in to your shell session for the changes to take affect. - -ZSH: - -ZSH completions are commonly stored in any directory listed in your -`$fpath` variable. To use these completions, you must either add the -generated script to one of those directories, or add your own -to this list. - -Adding a custom directory is often the safest best if you're unsure -of which directory to use. First create the directory, for this -example we'll create a hidden directory inside our `$HOME` directory - -`mkdir ~/.zfunc` - -Then add the following lines to your `.zshrc` just before `compinit` - -`fpath+=~/.zfunc` - -Now you can install the completions script using the following command - -`rustup completions zsh > ~/.zfunc/_rustup` - -You must then either log out and log back in, or simply run - -`exec zsh` - -For the new completions to take affect. - -CUSTOM LOCATIONS: - -Alternatively, you could save these files to the place of your choosing, -such as a custom directory inside your $HOME. Doing so will require you -to add the proper directives, such as `source`ing inside your login -script. Consult your shells documentation for how to add such directives. - -POWERSHELL: - -The powershell completion scripts require PowerShell v5.0+ (which comes -Windows 10, but can be downloaded separately for windows 7 or 8.1). - -First, check if a profile has already been set - -`PS C:\> Test-Path $profile` - -If the above command returns `False` run the following - -`PS C:\> New-Item -path $profile -type file --force` - -Now open the file provided by `$profile` (if you used the `New-Item` command -it will be `%USERPROFILE%\Documents\WindowsPowerShell\Microsoft.PowerShell_profile.ps1` - -Next, we either save the completions file into our profile, or into a separate file -and source it inside our profile. To save the completions into our profile simply -use"; |