mirror of
https://github.com/denoland/deno.git
synced 2024-10-31 09:14:20 -04:00
782 lines
22 KiB
Rust
782 lines
22 KiB
Rust
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
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use clap::{App, AppSettings, Arg, ArgMatches, SubCommand};
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// Creates vector of strings, Vec<String>
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macro_rules! svec {
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($($x:expr),*) => (vec![$($x.to_string()),*]);
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}
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#[cfg_attr(feature = "cargo-clippy", allow(stutter))]
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#[derive(Clone, Debug, PartialEq, Default)]
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pub struct DenoFlags {
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pub log_debug: bool,
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pub version: bool,
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pub reload: bool,
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/// When the `--config`/`-c` flag is used to pass the name, this will be set
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/// the path passed on the command line, otherwise `None`.
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pub config_path: Option<String>,
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pub allow_read: bool,
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pub allow_write: bool,
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pub allow_net: bool,
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pub allow_env: bool,
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pub allow_run: bool,
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pub allow_high_precision: bool,
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pub no_prompts: bool,
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pub no_fetch: bool,
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pub v8_flags: Option<Vec<String>>,
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pub xeval_replvar: Option<String>,
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pub xeval_delim: Option<String>,
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}
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static ENV_VARIABLES_HELP: &str = "ENVIRONMENT VARIABLES:
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DENO_DIR Set deno's base directory
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NO_COLOR Set to disable color";
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pub fn create_cli_app<'a, 'b>() -> App<'a, 'b> {
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App::new("deno")
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.bin_name("deno")
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.global_settings(&[AppSettings::ColorNever])
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.settings(&[AppSettings::DisableVersion])
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.after_help(ENV_VARIABLES_HELP)
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.long_about("
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Run deno REPL
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This command has implicit access to all permissions (equivalent to deno run --allow-all)
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")
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.arg(
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Arg::with_name("log-debug")
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.short("D")
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.long("log-debug")
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.help("Log debug output")
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.global(true),
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).arg(
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Arg::with_name("reload")
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.short("r")
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.long("reload")
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.help("Reload source code cache (recompile TypeScript)")
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.global(true),
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).arg(
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Arg::with_name("config")
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.short("c")
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.long("config")
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.value_name("FILE")
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.help("Load compiler configuration file")
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.takes_value(true)
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.global(true),
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).arg(
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Arg::with_name("v8-options")
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.long("v8-options")
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.help("Print V8 command line options")
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.global(true),
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).arg(
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Arg::with_name("v8-flags")
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.long("v8-flags")
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.takes_value(true)
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.use_delimiter(true)
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.require_equals(true)
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.help("Set V8 command line options")
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.global(true),
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).subcommand(
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SubCommand::with_name("version")
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.setting(AppSettings::DisableVersion)
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.about("Print the version")
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.long_about(
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"
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Print current version of Deno.
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Includes versions of Deno, V8 JavaScript Engine, and the TypeScript
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compiler.
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",
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),
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).subcommand(
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SubCommand::with_name("fetch")
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.setting(AppSettings::DisableVersion)
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.about("Fetch the dependencies")
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.long_about(
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"
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Fetch and compile remote dependencies recursively.
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Downloads all statically imported scripts and save them in local
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cache, without running the code. No future import network requests
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would be made unless --reload is specified.
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# Downloads all dependencies
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deno fetch https://deno.land/std/http/file_server.ts
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# Once cached, static imports no longer send network requests
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deno https://deno.land/std/http/file_server.ts
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",
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).arg(Arg::with_name("file").takes_value(true).required(true)),
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).subcommand(
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SubCommand::with_name("types")
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.setting(AppSettings::DisableVersion)
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.about("Print runtime TypeScript declarations")
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.long_about(
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"
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Print runtime TypeScript declarations.
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The declaration file could be saved and used for typing information.
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deno types > lib.deno_runtime.d.ts
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",
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),
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).subcommand(
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SubCommand::with_name("info")
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.setting(AppSettings::DisableVersion)
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.about("Show source file related info")
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.long_about(
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"
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Show source file related info.
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The following information is shown:
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local: local path of the file.
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type: type of script (e.g. JavaScript/TypeScript/JSON)
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compiled: (TypeScript only) shown local path of compiled source code.
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map: (TypeScript only) shown local path of source map.
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deps: dependency tree of the source file.
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deno info myfile.ts
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",
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).arg(Arg::with_name("file").takes_value(true).required(true)),
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).subcommand(
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SubCommand::with_name("eval")
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.setting(AppSettings::DisableVersion)
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.about("Eval script")
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.long_about(
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"
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Evaluate provided script.
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This command has implicit access to all permissions (equivalent to deno run --allow-all)
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deno eval 'console.log(\"hello world\")'
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",
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).arg(Arg::with_name("code").takes_value(true).required(true)),
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).subcommand(
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SubCommand::with_name("fmt")
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.setting(AppSettings::DisableVersion)
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.about("Format files")
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.long_about(
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"
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Format given list of files using Prettier. Automatically downloads
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Prettier dependencies on first run.
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deno fmt myfile1.ts myfile2.ts
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",
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).arg(
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Arg::with_name("files")
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.takes_value(true)
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.multiple(true)
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.required(true),
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),
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).subcommand(
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SubCommand::with_name("run")
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.settings(&[
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AppSettings::AllowExternalSubcommands,
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AppSettings::DisableHelpSubcommand,
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AppSettings::DisableVersion,
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AppSettings::SubcommandRequired,
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]).about("Run a program given a filename or url to the source code")
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.long_about(
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"
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Run a program given a filename or url to the source code.
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By default all programs are run in sandbox without access to disk, network or
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ability to spawn subprocesses.
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deno run https://deno.land/welcome.ts
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# run program with permission to read from disk and listen to network
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deno run --allow-net --allow-read https://deno.land/std/http/file_server.ts
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# run program with all permissions
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deno run -A https://deno.land/std/http/file_server.ts
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",
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).arg(
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Arg::with_name("allow-read")
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.long("allow-read")
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.help("Allow file system read access"),
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).arg(
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Arg::with_name("allow-write")
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.long("allow-write")
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.help("Allow file system write access"),
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).arg(
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Arg::with_name("allow-net")
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.long("allow-net")
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.help("Allow network access"),
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).arg(
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Arg::with_name("allow-env")
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.long("allow-env")
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.help("Allow environment access"),
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).arg(
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Arg::with_name("allow-run")
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.long("allow-run")
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.help("Allow running subprocesses"),
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).arg(
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Arg::with_name("allow-high-precision")
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.long("allow-high-precision")
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.help("Allow high precision time measurement"),
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).arg(
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Arg::with_name("allow-all")
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.short("A")
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.long("allow-all")
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.help("Allow all permissions"),
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).arg(
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Arg::with_name("no-prompt")
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.long("no-prompt")
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.help("Do not use prompts"),
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).subcommand(
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// this is a fake subcommand - it's used in conjunction with
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// AppSettings:AllowExternalSubcommand to treat it as an
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// entry point script
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SubCommand::with_name("<script>").about("Script to run"),
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),
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).subcommand(
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SubCommand::with_name("xeval")
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.setting(AppSettings::DisableVersion)
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.about("Eval a script on text segments from stdin")
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.long_about(
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"
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Eval a script on lines (or chunks split under delimiter) from stdin.
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Read from standard input and eval code on each whitespace-delimited
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string chunks.
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-I/--replvar optionally sets variable name for input to be used in eval.
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Otherwise '$' will be used as default variable name.
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This command has implicit access to all permissions (equivalent to deno run --allow-all)
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cat /etc/passwd | deno xeval \"a = $.split(':'); if (a) console.log(a[0])\"
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git branch | deno xeval -I 'line' \"if (line.startsWith('*')) console.log(line.slice(2))\"
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cat LICENSE | deno xeval -d ' ' \"if ($ === 'MIT') console.log('MIT licensed')\"
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",
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).arg(
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Arg::with_name("replvar")
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.long("replvar")
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.short("I")
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.help("Set variable name to be used in eval, defaults to $")
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.takes_value(true),
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).arg(
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Arg::with_name("delim")
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.long("delim")
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.short("d")
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.help("Set delimiter, defaults to newline")
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.takes_value(true),
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).arg(Arg::with_name("code").takes_value(true).required(true)),
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)
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}
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/// Parse ArgMatches into internal DenoFlags structure.
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/// This method should not make any side effects.
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#[cfg_attr(feature = "cargo-clippy", allow(stutter))]
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pub fn parse_flags(matches: ArgMatches) -> DenoFlags {
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let mut flags = DenoFlags::default();
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if matches.is_present("log-debug") {
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flags.log_debug = true;
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}
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if matches.is_present("version") {
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flags.version = true;
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}
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if matches.is_present("reload") {
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flags.reload = true;
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}
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flags.config_path = matches.value_of("config").map(ToOwned::to_owned);
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if matches.is_present("v8-options") {
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let v8_flags = svec!["deno", "--help"];
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flags.v8_flags = Some(v8_flags);
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}
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if matches.is_present("v8-flags") {
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let mut v8_flags: Vec<String> = matches
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.values_of("v8-flags")
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.unwrap()
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.map(String::from)
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.collect();
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v8_flags.insert(0, "deno".to_string());
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flags.v8_flags = Some(v8_flags);
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}
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// flags specific to "run" subcommand
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if let Some(run_matches) = matches.subcommand_matches("run") {
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if run_matches.is_present("allow-read") {
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flags.allow_read = true;
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}
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if run_matches.is_present("allow-write") {
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flags.allow_write = true;
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}
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if run_matches.is_present("allow-net") {
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flags.allow_net = true;
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}
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if run_matches.is_present("allow-env") {
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flags.allow_env = true;
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}
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if run_matches.is_present("allow-run") {
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flags.allow_run = true;
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}
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if run_matches.is_present("allow-high-precision") {
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flags.allow_high_precision = true;
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}
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if run_matches.is_present("allow-all") {
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flags.allow_read = true;
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flags.allow_env = true;
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flags.allow_net = true;
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flags.allow_run = true;
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flags.allow_read = true;
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flags.allow_write = true;
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flags.allow_high_precision = true;
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}
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if run_matches.is_present("no-prompt") {
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flags.no_prompts = true;
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}
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}
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flags
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}
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/// Used for `deno fmt <files>...` subcommand
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const PRETTIER_URL: &str = "https://deno.land/std/prettier/main.ts";
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/// These are currently handled subcommands.
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/// There is no "Help" subcommand because it's handled by `clap::App` itself.
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#[derive(Debug, PartialEq)]
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pub enum DenoSubcommand {
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Eval,
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Fetch,
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Info,
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Repl,
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Run,
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Types,
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Version,
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Xeval,
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}
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pub fn flags_from_vec(
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args: Vec<String>,
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) -> (DenoFlags, DenoSubcommand, Vec<String>) {
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let cli_app = create_cli_app();
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let matches = cli_app.get_matches_from(args);
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let mut argv: Vec<String> = vec!["deno".to_string()];
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let mut flags = parse_flags(matches.clone());
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let subcommand = match matches.subcommand() {
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("eval", Some(eval_match)) => {
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flags.allow_net = true;
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flags.allow_env = true;
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flags.allow_run = true;
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flags.allow_read = true;
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flags.allow_write = true;
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flags.allow_high_precision = true;
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let code: &str = eval_match.value_of("code").unwrap();
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argv.extend(vec![code.to_string()]);
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DenoSubcommand::Eval
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}
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("fetch", Some(fetch_match)) => {
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let file: &str = fetch_match.value_of("file").unwrap();
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argv.extend(vec![file.to_string()]);
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DenoSubcommand::Fetch
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}
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("fmt", Some(fmt_match)) => {
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flags.allow_read = true;
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flags.allow_write = true;
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argv.push(PRETTIER_URL.to_string());
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let files: Vec<String> = fmt_match
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.values_of("files")
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.unwrap()
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.map(String::from)
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.collect();
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argv.extend(files);
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DenoSubcommand::Run
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}
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("info", Some(info_match)) => {
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let file: &str = info_match.value_of("file").unwrap();
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argv.extend(vec![file.to_string()]);
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DenoSubcommand::Info
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}
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("types", Some(_)) => DenoSubcommand::Types,
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("run", Some(run_match)) => {
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match run_match.subcommand() {
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(script, Some(script_match)) => {
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argv.extend(vec![script.to_string()]);
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// check if there are any extra arguments that should
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// be passed to script
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if script_match.is_present("") {
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let script_args: Vec<String> = script_match
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.values_of("")
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.unwrap()
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.map(String::from)
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.collect();
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argv.extend(script_args);
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}
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DenoSubcommand::Run
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}
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_ => unreachable!(),
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}
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}
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("xeval", Some(eval_match)) => {
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flags.allow_net = true;
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flags.allow_env = true;
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flags.allow_run = true;
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flags.allow_read = true;
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flags.allow_write = true;
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flags.allow_high_precision = true;
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let code: &str = eval_match.value_of("code").unwrap();
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flags.xeval_replvar =
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Some(eval_match.value_of("replvar").unwrap_or("$").to_owned());
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// Currently clap never escapes string,
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// So -d "\n" won't expand to newline.
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// Instead, do -d $'\n'
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flags.xeval_delim = eval_match.value_of("delim").map(String::from);
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argv.extend(vec![code.to_string()]);
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DenoSubcommand::Xeval
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}
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("version", Some(_)) => DenoSubcommand::Version,
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_ => {
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flags.allow_net = true;
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flags.allow_env = true;
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flags.allow_run = true;
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flags.allow_read = true;
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flags.allow_write = true;
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flags.allow_high_precision = true;
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DenoSubcommand::Repl
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}
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};
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(flags, subcommand, argv)
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_flags_from_vec_1() {
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let (flags, subcommand, argv) = flags_from_vec(svec!["deno", "version"]);
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assert_eq!(
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flags,
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DenoFlags {
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version: true,
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..DenoFlags::default()
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}
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);
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assert_eq!(subcommand, DenoSubcommand::Version);
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assert_eq!(argv, svec!["deno"]);
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}
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#[test]
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fn test_flags_from_vec_2() {
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let (flags, subcommand, argv) =
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flags_from_vec(svec!["deno", "-r", "-D", "run", "script.ts"]);
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assert_eq!(
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flags,
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DenoFlags {
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log_debug: true,
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reload: true,
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..DenoFlags::default()
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}
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);
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assert_eq!(subcommand, DenoSubcommand::Run);
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assert_eq!(argv, svec!["deno", "script.ts"]);
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}
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#[test]
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fn test_flags_from_vec_3() {
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let (flags, subcommand, argv) = flags_from_vec(svec![
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"deno",
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"run",
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"-r",
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"-D",
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"--allow-write",
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"script.ts"
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]);
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assert_eq!(
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flags,
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DenoFlags {
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reload: true,
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log_debug: true,
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allow_write: true,
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..DenoFlags::default()
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}
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);
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assert_eq!(subcommand, DenoSubcommand::Run);
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assert_eq!(argv, svec!["deno", "script.ts"]);
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}
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#[test]
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fn test_flags_from_vec_4() {
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let (flags, subcommand, argv) =
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flags_from_vec(svec!["deno", "-Dr", "run", "--allow-write", "script.ts"]);
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assert_eq!(
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flags,
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DenoFlags {
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log_debug: true,
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reload: true,
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allow_write: true,
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..DenoFlags::default()
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}
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);
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assert_eq!(subcommand, DenoSubcommand::Run);
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assert_eq!(argv, svec!["deno", "script.ts"]);
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}
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#[test]
|
|
fn test_flags_from_vec_5() {
|
|
let (flags, subcommand, argv) =
|
|
flags_from_vec(svec!["deno", "--v8-options", "run", "script.ts"]);
|
|
assert_eq!(
|
|
flags,
|
|
DenoFlags {
|
|
v8_flags: Some(svec!["deno", "--help"]),
|
|
..DenoFlags::default()
|
|
}
|
|
);
|
|
assert_eq!(subcommand, DenoSubcommand::Run);
|
|
assert_eq!(argv, svec!["deno", "script.ts"]);
|
|
|
|
let (flags, subcommand, argv) = flags_from_vec(svec![
|
|
"deno",
|
|
"--v8-flags=--expose-gc,--gc-stats=1",
|
|
"run",
|
|
"script.ts"
|
|
]);
|
|
assert_eq!(
|
|
flags,
|
|
DenoFlags {
|
|
v8_flags: Some(svec!["deno", "--expose-gc", "--gc-stats=1"]),
|
|
..DenoFlags::default()
|
|
}
|
|
);
|
|
assert_eq!(subcommand, DenoSubcommand::Run);
|
|
assert_eq!(argv, svec!["deno", "script.ts"]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_flags_from_vec_6() {
|
|
let (flags, subcommand, argv) = flags_from_vec(svec![
|
|
"deno",
|
|
"run",
|
|
"--allow-net",
|
|
"gist.ts",
|
|
"--title",
|
|
"X"
|
|
]);
|
|
assert_eq!(
|
|
flags,
|
|
DenoFlags {
|
|
allow_net: true,
|
|
..DenoFlags::default()
|
|
}
|
|
);
|
|
assert_eq!(subcommand, DenoSubcommand::Run);
|
|
assert_eq!(argv, svec!["deno", "gist.ts", "--title", "X"]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_flags_from_vec_7() {
|
|
let (flags, subcommand, argv) =
|
|
flags_from_vec(svec!["deno", "run", "--allow-all", "gist.ts"]);
|
|
assert_eq!(
|
|
flags,
|
|
DenoFlags {
|
|
allow_net: true,
|
|
allow_env: true,
|
|
allow_run: true,
|
|
allow_read: true,
|
|
allow_write: true,
|
|
allow_high_precision: true,
|
|
..DenoFlags::default()
|
|
}
|
|
);
|
|
assert_eq!(subcommand, DenoSubcommand::Run);
|
|
assert_eq!(argv, svec!["deno", "gist.ts"]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_flags_from_vec_8() {
|
|
let (flags, subcommand, argv) =
|
|
flags_from_vec(svec!["deno", "run", "--allow-read", "gist.ts"]);
|
|
assert_eq!(
|
|
flags,
|
|
DenoFlags {
|
|
allow_read: true,
|
|
..DenoFlags::default()
|
|
}
|
|
);
|
|
assert_eq!(subcommand, DenoSubcommand::Run);
|
|
assert_eq!(argv, svec!["deno", "gist.ts"]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_flags_from_vec_9() {
|
|
let (flags, subcommand, argv) = flags_from_vec(svec![
|
|
"deno",
|
|
"run",
|
|
"--allow-high-precision",
|
|
"script.ts"
|
|
]);
|
|
assert_eq!(
|
|
flags,
|
|
DenoFlags {
|
|
allow_high_precision: true,
|
|
..DenoFlags::default()
|
|
}
|
|
);
|
|
assert_eq!(subcommand, DenoSubcommand::Run);
|
|
assert_eq!(argv, svec!["deno", "script.ts"]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_flags_from_vec_10() {
|
|
// notice that flags passed after script name will not
|
|
// be parsed to DenoFlags but instead forwarded to
|
|
// script args as Deno.args
|
|
let (flags, subcommand, argv) = flags_from_vec(svec![
|
|
"deno",
|
|
"run",
|
|
"--allow-write",
|
|
"script.ts",
|
|
"-D",
|
|
"--allow-net"
|
|
]);
|
|
assert_eq!(
|
|
flags,
|
|
DenoFlags {
|
|
allow_write: true,
|
|
..DenoFlags::default()
|
|
}
|
|
);
|
|
assert_eq!(subcommand, DenoSubcommand::Run);
|
|
assert_eq!(argv, svec!["deno", "script.ts", "-D", "--allow-net"]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_flags_from_vec_11() {
|
|
let (flags, subcommand, argv) =
|
|
flags_from_vec(svec!["deno", "fmt", "script_1.ts", "script_2.ts"]);
|
|
assert_eq!(
|
|
flags,
|
|
DenoFlags {
|
|
allow_write: true,
|
|
allow_read: true,
|
|
..DenoFlags::default()
|
|
}
|
|
);
|
|
assert_eq!(subcommand, DenoSubcommand::Run);
|
|
assert_eq!(
|
|
argv,
|
|
svec!["deno", PRETTIER_URL, "script_1.ts", "script_2.ts"]
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_flags_from_vec_12() {
|
|
let (flags, subcommand, argv) = flags_from_vec(svec!["deno", "types"]);
|
|
assert_eq!(flags, DenoFlags::default());
|
|
assert_eq!(subcommand, DenoSubcommand::Types);
|
|
assert_eq!(argv, svec!["deno"]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_flags_from_vec_13() {
|
|
let (flags, subcommand, argv) =
|
|
flags_from_vec(svec!["deno", "fetch", "script.ts"]);
|
|
assert_eq!(flags, DenoFlags::default());
|
|
assert_eq!(subcommand, DenoSubcommand::Fetch);
|
|
assert_eq!(argv, svec!["deno", "script.ts"]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_flags_from_vec_14() {
|
|
let (flags, subcommand, argv) =
|
|
flags_from_vec(svec!["deno", "info", "script.ts"]);
|
|
assert_eq!(flags, DenoFlags::default());
|
|
assert_eq!(subcommand, DenoSubcommand::Info);
|
|
assert_eq!(argv, svec!["deno", "script.ts"]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_flags_from_vec_15() {
|
|
let (flags, subcommand, argv) =
|
|
flags_from_vec(svec!["deno", "run", "-c", "tsconfig.json", "script.ts"]);
|
|
assert_eq!(
|
|
flags,
|
|
DenoFlags {
|
|
config_path: Some("tsconfig.json".to_owned()),
|
|
..DenoFlags::default()
|
|
}
|
|
);
|
|
assert_eq!(subcommand, DenoSubcommand::Run);
|
|
assert_eq!(argv, svec!["deno", "script.ts"]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_flags_from_vec_16() {
|
|
let (flags, subcommand, argv) =
|
|
flags_from_vec(svec!["deno", "eval", "'console.log(\"hello\")'"]);
|
|
assert_eq!(
|
|
flags,
|
|
DenoFlags {
|
|
allow_net: true,
|
|
allow_env: true,
|
|
allow_run: true,
|
|
allow_read: true,
|
|
allow_write: true,
|
|
allow_high_precision: true,
|
|
..DenoFlags::default()
|
|
}
|
|
);
|
|
assert_eq!(subcommand, DenoSubcommand::Eval);
|
|
assert_eq!(argv, svec!["deno", "'console.log(\"hello\")'"]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_flags_from_vec_17() {
|
|
let (flags, subcommand, argv) = flags_from_vec(svec!["deno"]);
|
|
assert_eq!(
|
|
flags,
|
|
DenoFlags {
|
|
allow_net: true,
|
|
allow_env: true,
|
|
allow_run: true,
|
|
allow_read: true,
|
|
allow_write: true,
|
|
allow_high_precision: true,
|
|
..DenoFlags::default()
|
|
}
|
|
);
|
|
assert_eq!(subcommand, DenoSubcommand::Repl);
|
|
assert_eq!(argv, svec!["deno"]);
|
|
}
|
|
|
|
#[test]
|
|
fn test_flags_from_vec_18() {
|
|
let (flags, subcommand, argv) = flags_from_vec(svec![
|
|
"deno",
|
|
"xeval",
|
|
"-I",
|
|
"val",
|
|
"-d",
|
|
" ",
|
|
"console.log(val)"
|
|
]);
|
|
assert_eq!(
|
|
flags,
|
|
DenoFlags {
|
|
allow_net: true,
|
|
allow_env: true,
|
|
allow_run: true,
|
|
allow_read: true,
|
|
allow_write: true,
|
|
allow_high_precision: true,
|
|
xeval_replvar: Some("val".to_owned()),
|
|
xeval_delim: Some(" ".to_owned()),
|
|
..DenoFlags::default()
|
|
}
|
|
);
|
|
assert_eq!(subcommand, DenoSubcommand::Xeval);
|
|
assert_eq!(argv, svec!["deno", "console.log(val)"]);
|
|
}
|
|
}
|