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clippy-driver: pass all args after "--rustc" to rustc.

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This commit is contained in:
Matthias Krüger 2020-06-01 00:22:29 +02:00
parent 742706511c
commit 840786a939
1 changed files with 23 additions and 6 deletions
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29
src/driver.rs
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@ -297,12 +297,6 @@ pub fn main() {
exit(rustc_driver::catch_with_exit_code(move || {
let mut orig_args: Vec<String> = env::args().collect();
if orig_args.iter().any(|a| a == "--version" || a == "-V") {
let version_info = rustc_tools_util::get_version_info!();
println!("{}", version_info);
exit(0);
}
// Get the sysroot, looking from most specific to this invocation to the least:
// - command line
// - runtime environment
@ -348,6 +342,29 @@ pub fn main() {
.map(|pb| pb.to_string_lossy().to_string())
.expect("need to specify SYSROOT env var during clippy compilation, or use rustup or multirust");
// make "clippy-driver --rustc" work like a subcommand that passes further args to "rustc"
// for example `clippy-driver --rustc --version` will print the rustc version that clippy-driver
// uses
if let Some(pos) = orig_args.iter().position(|arg| arg == "--rustc") {
orig_args.remove(pos);
orig_args[0] = "rustc".to_string();
// if we call "rustc", we need to pass --sysroot here as well
let mut args: Vec<String> = orig_args.clone();
if !have_sys_root_arg {
args.extend(vec!["--sysroot".into(), sys_root]);
};
println!("args: {:?}", args);
return rustc_driver::run_compiler(&args, &mut DefaultCallbacks, None, None);
}
if orig_args.iter().any(|a| a == "--version" || a == "-V") {
let version_info = rustc_tools_util::get_version_info!();
println!("{}", version_info);
exit(0);
}
// Setting RUSTC_WRAPPER causes Cargo to pass 'rustc' as the first argument.
// We're invoking the compiler programmatically, so we ignore this/
let wrapper_mode = orig_args.get(1).map(Path::new).and_then(Path::file_stem) == Some("rustc".as_ref());