1 files changed, 12 insertions, 39 deletions

diff --git a/compiler/rustc_interface/src/interface.rs b/compiler/rustc_interface/src/interface.rs
index 4c22ab68a..7a5e45ada 100644
--- a/compiler/rustc_interface/src/interface.rs
+++ b/compiler/rustc_interface/src/interface.rs
@@ -14,10 +14,10 @@ use rustc_middle::ty;
 use rustc_parse::maybe_new_parser_from_source_str;
 use rustc_query_impl::QueryCtxt;
 use rustc_session::config::{self, CheckCfg, ErrorOutputType, Input, OutputFilenames};
-use rustc_session::early_error;
 use rustc_session::lint;
 use rustc_session::parse::{CrateConfig, ParseSess};
 use rustc_session::Session;
+use rustc_session::{early_error, CompilerIO};
 use rustc_span::source_map::{FileLoader, FileName};
 use rustc_span::symbol::sym;
 use std::path::PathBuf;
@@ -35,11 +35,6 @@ pub type Result<T> = result::Result<T, ErrorGuaranteed>;
 pub struct Compiler {
     pub(crate) sess: Lrc<Session>,
     codegen_backend: Lrc<Box<dyn CodegenBackend>>,
-    pub(crate) input: Input,
-    pub(crate) input_path: Option<PathBuf>,
-    pub(crate) output_dir: Option<PathBuf>,
-    pub(crate) output_file: Option<PathBuf>,
-    pub(crate) temps_dir: Option<PathBuf>,
     pub(crate) register_lints: Option<Box<dyn Fn(&Session, &mut LintStore) + Send + Sync>>,
     pub(crate) override_queries:
         Option<fn(&Session, &mut ty::query::Providers, &mut ty::query::ExternProviders)>,
@@ -52,18 +47,6 @@ impl Compiler {
     pub fn codegen_backend(&self) -> &Lrc<Box<dyn CodegenBackend>> {
         &self.codegen_backend
     }
-    pub fn input(&self) -> &Input {
-        &self.input
-    }
-    pub fn output_dir(&self) -> &Option<PathBuf> {
-        &self.output_dir
-    }
-    pub fn output_file(&self) -> &Option<PathBuf> {
-        &self.output_file
-    }
-    pub fn temps_dir(&self) -> &Option<PathBuf> {
-        &self.temps_dir
-    }
     pub fn register_lints(&self) -> &Option<Box<dyn Fn(&Session, &mut LintStore) + Send + Sync>> {
         &self.register_lints
     }
@@ -72,14 +55,7 @@ impl Compiler {
         sess: &Session,
         attrs: &[ast::Attribute],
     ) -> OutputFilenames {
-        util::build_output_filenames(
-            &self.input,
-            &self.output_dir,
-            &self.output_file,
-            &self.temps_dir,
-            attrs,
-            sess,
-        )
+        util::build_output_filenames(attrs, sess)
     }
 }
 
@@ -90,8 +66,7 @@ pub fn parse_cfgspecs(cfgspecs: Vec<String>) -> FxHashSet<(String, Option<String
             .into_iter()
             .map(|s| {
                 let sess = ParseSess::with_silent_emitter(Some(format!(
-                    "this error occurred on the command line: `--cfg={}`",
-                    s
+                    "this error occurred on the command line: `--cfg={s}`"
                 )));
                 let filename = FileName::cfg_spec_source_code(&s);
 
@@ -150,8 +125,7 @@ pub fn parse_check_cfg(specs: Vec<String>) -> CheckCfg {
 
         'specs: for s in specs {
             let sess = ParseSess::with_silent_emitter(Some(format!(
-                "this error occurred on the command line: `--check-cfg={}`",
-                s
+                "this error occurred on the command line: `--check-cfg={s}`"
             )));
             let filename = FileName::cfg_spec_source_code(&s);
 
@@ -246,7 +220,6 @@ pub struct Config {
     pub crate_check_cfg: CheckCfg,
 
     pub input: Input,
-    pub input_path: Option<PathBuf>,
     pub output_dir: Option<PathBuf>,
     pub output_file: Option<PathBuf>,
     pub file_loader: Option<Box<dyn FileLoader + Send + Sync>>,
@@ -289,12 +262,19 @@ pub fn run_compiler<R: Send>(config: Config, f: impl FnOnce(&Compiler) -> R + Se
             crate::callbacks::setup_callbacks();
 
             let registry = &config.registry;
+
+            let temps_dir = config.opts.unstable_opts.temps_dir.as_deref().map(PathBuf::from);
             let (mut sess, codegen_backend) = util::create_session(
                 config.opts,
                 config.crate_cfg,
                 config.crate_check_cfg,
                 config.file_loader,
-                config.input_path.clone(),
+                CompilerIO {
+                    input: config.input,
+                    output_dir: config.output_dir,
+                    output_file: config.output_file,
+                    temps_dir,
+                },
                 config.lint_caps,
                 config.make_codegen_backend,
                 registry.clone(),
@@ -304,16 +284,9 @@ pub fn run_compiler<R: Send>(config: Config, f: impl FnOnce(&Compiler) -> R + Se
                 parse_sess_created(&mut sess.parse_sess);
             }
 
-            let temps_dir = sess.opts.unstable_opts.temps_dir.as_deref().map(PathBuf::from);
-
             let compiler = Compiler {
                 sess: Lrc::new(sess),
                 codegen_backend: Lrc::new(codegen_backend),
-                input: config.input,
-                input_path: config.input_path,
-                output_dir: config.output_dir,
-                output_file: config.output_file,
-                temps_dir,
                 register_lints: config.register_lints,
                 override_queries: config.override_queries,
             };