mirror of https://github.com/rust-lang/cargo
103 lines
3.4 KiB
Rust
103 lines
3.4 KiB
Rust
use crate::command_prelude::*;
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use cargo::ops;
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use cargo::util::interning::InternedString;
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const PRINT_ARG_NAME: &str = "print";
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const CRATE_TYPE_ARG_NAME: &str = "crate-type";
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pub fn cli() -> Command {
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subcommand("rustc")
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.about("Compile a package, and pass extra options to the compiler")
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.arg(
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Arg::new("args")
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.value_name("ARGS")
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.num_args(0..)
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.help("Extra rustc flags")
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.trailing_var_arg(true),
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)
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.arg(
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opt(
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PRINT_ARG_NAME,
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"Output compiler information without compiling",
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)
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.value_name("INFO"),
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)
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.arg(multi_opt(
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CRATE_TYPE_ARG_NAME,
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"CRATE-TYPE",
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"Comma separated list of types of crates for the compiler to emit",
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))
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.arg_future_incompat_report()
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.arg_message_format()
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.arg_silent_suggestion()
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.arg_package("Package to build")
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.arg_targets_all(
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"Build only this package's library",
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"Build only the specified binary",
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"Build all binaries",
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"Build only the specified example",
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"Build all examples",
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"Build only the specified test target",
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"Build all test targets",
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"Build only the specified bench target",
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"Build all bench targets",
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"Build all targets",
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)
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.arg_features()
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.arg_parallel()
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.arg_release("Build artifacts in release mode, with optimizations")
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.arg_profile("Build artifacts with the specified profile")
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.arg_target_triple("Target triple which compiles will be for")
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.arg_target_dir()
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.arg_unit_graph()
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.arg_timings()
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.arg_manifest_path()
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.arg_ignore_rust_version()
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.after_help(color_print::cstr!(
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"Run `<cyan,bold>cargo help rustc</>` for more detailed information.\n"
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))
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}
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pub fn exec(gctx: &mut GlobalContext, args: &ArgMatches) -> CliResult {
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let ws = args.workspace(gctx)?;
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// This is a legacy behavior that changes the behavior based on the profile.
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// If we want to support this more formally, I think adding a --mode flag
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// would be warranted.
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let mode = match args.get_one::<String>("profile").map(String::as_str) {
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Some("test") => CompileMode::Test,
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Some("bench") => CompileMode::Bench,
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Some("check") => CompileMode::Check { test: false },
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_ => CompileMode::Build,
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};
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let mut compile_opts = args.compile_options_for_single_package(
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gctx,
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mode,
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Some(&ws),
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ProfileChecking::LegacyRustc,
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)?;
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if compile_opts.build_config.requested_profile == "check" {
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compile_opts.build_config.requested_profile = InternedString::new("dev");
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}
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let target_args = values(args, "args");
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compile_opts.target_rustc_args = if target_args.is_empty() {
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None
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} else {
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Some(target_args)
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};
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if let Some(opt_value) = args.get_one::<String>(PRINT_ARG_NAME) {
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gctx.cli_unstable()
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.fail_if_stable_opt(PRINT_ARG_NAME, 9357)?;
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ops::print(&ws, &compile_opts, opt_value)?;
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return Ok(());
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}
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let crate_types = values(args, CRATE_TYPE_ARG_NAME);
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compile_opts.target_rustc_crate_types = if crate_types.is_empty() {
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None
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} else {
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Some(crate_types)
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};
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ops::compile(&ws, &compile_opts)?;
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Ok(())
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}
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