diff options
Diffstat (limited to 'cli/flags.rs')
| -rw-r--r-- | cli/flags.rs | 37 |
1 files changed, 33 insertions, 4 deletions
diff --git a/cli/flags.rs b/cli/flags.rs index 295bdb317..9fc3103b4 100644 --- a/cli/flags.rs +++ b/cli/flags.rs @@ -84,7 +84,9 @@ pub enum DenoSubcommand { root: Option<PathBuf>, force: bool, }, - Lsp, + Lsp { + parent_pid: Option<u32>, + }, Lint { files: Vec<PathBuf>, ignore: Vec<PathBuf>, @@ -876,6 +878,16 @@ go-to-definition support and automatic code formatting. How to connect various editors and IDEs to 'deno lsp': https://deno.land/manual/getting_started/setup_your_environment#editors-and-ides") + .arg( + Arg::with_name("parent-pid") + .long("parent-pid") + .help("The parent process id to periodically check for the existence of or exit") + .takes_value(true) + .validator(|val: String| match val.parse::<usize>() { + Ok(_) => Ok(()), + Err(_) => Err("parent-pid should be a number".to_string()), + }), + ) } fn lint_subcommand<'a, 'b>() -> App<'a, 'b> { @@ -1621,8 +1633,11 @@ fn install_parse(flags: &mut Flags, matches: &clap::ArgMatches) { }; } -fn lsp_parse(flags: &mut Flags, _matches: &clap::ArgMatches) { - flags.subcommand = DenoSubcommand::Lsp; +fn lsp_parse(flags: &mut Flags, matches: &clap::ArgMatches) { + let parent_pid = matches + .value_of("parent-pid") + .map(|val| val.parse().unwrap()); + flags.subcommand = DenoSubcommand::Lsp { parent_pid }; } fn lint_parse(flags: &mut Flags, matches: &clap::ArgMatches) { @@ -2308,10 +2323,24 @@ mod tests { assert_eq!( r.unwrap(), Flags { - subcommand: DenoSubcommand::Lsp, + subcommand: DenoSubcommand::Lsp { parent_pid: None }, ..Flags::default() } ); + + let r = flags_from_vec(svec!["deno", "lsp", "--parent-pid", "5"]); + assert_eq!( + r.unwrap(), + Flags { + subcommand: DenoSubcommand::Lsp { + parent_pid: Some(5), + }, + ..Flags::default() + } + ); + + let r = flags_from_vec(svec!["deno", "lsp", "--parent-pid", "invalid-arg"]); + assert!(r.is_err()); } #[test] |