bjoernager/rust
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Implement supported-crate-types print request

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As an unstable print request.
This commit is contained in:
Jieyou Xu 2025-03-18 13:16:01 +08:00
parent 60a3084f64
commit 0e7dbab1fc
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GPG key ID: 045B995028EA6AFC
7 changed files with 59 additions and 3 deletions
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14
compiler/rustc_driver_impl/src/lib.rs
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@ -20,7 +20,7 @@
// tidy-alphabetical-end
use std::cmp::max;
use std::collections::BTreeMap;
use std::collections::{BTreeMap, BTreeSet};
use std::ffi::OsString;
use std::fmt::Write as _;
use std::fs::{self, File};
@ -61,7 +61,7 @@ use rustc_session::config::{
};
use rustc_session::getopts::{self, Matches};
use rustc_session::lint::{Lint, LintId};
use rustc_session::output::collect_crate_types;
use rustc_session::output::{CRATE_TYPES, collect_crate_types, invalid_output_for_target};
use rustc_session::{EarlyDiagCtxt, Session, config, filesearch};
use rustc_span::FileName;
use rustc_target::json::ToJson;
@ -790,6 +790,16 @@ fn print_crate_info(
sess.dcx().fatal("only Apple targets currently support deployment version info")
}
}
SupportedCrateTypes => {
let supported_crate_types = CRATE_TYPES
.iter()
.filter(|(_, crate_type)| !invalid_output_for_target(&sess, *crate_type))
.map(|(crate_type_sym, _)| *crate_type_sym)
.collect::<BTreeSet<_>>();
for supported_crate_type in supported_crate_types {
println_info!("{}", supported_crate_type.as_str());
}
}
}
req.out.overwrite(&crate_info, sess);