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-rw-r--r--compiler/rustc_interface/src/interface.rs32
-rw-r--r--compiler/rustc_interface/src/passes.rs15
-rw-r--r--compiler/rustc_interface/src/queries.rs16
-rw-r--r--compiler/rustc_interface/src/tests.rs12
-rw-r--r--compiler/rustc_interface/src/util.rs25
5 files changed, 42 insertions, 58 deletions
diff --git a/compiler/rustc_interface/src/interface.rs b/compiler/rustc_interface/src/interface.rs
index e3c4f9052ce..7a5e45ada3f 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;
@@ -35,19 +35,11 @@ pub type Result<T> = result::Result<T, ErrorGuaranteed>;
 pub struct Compiler {
     pub(crate) sess: Lrc<Session>,
     codegen_backend: Lrc<Box<dyn CodegenBackend>>,
-    pub(crate) io: CompilerIO,
     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)>,
 }
 
-pub struct CompilerIO {
-    pub input: Input,
-    pub output_dir: Option<PathBuf>,
-    pub output_file: Option<PathBuf>,
-    pub temps_dir: Option<PathBuf>,
-}
-
 impl Compiler {
     pub fn session(&self) -> &Lrc<Session> {
         &self.sess
@@ -55,9 +47,6 @@ impl Compiler {
     pub fn codegen_backend(&self) -> &Lrc<Box<dyn CodegenBackend>> {
         &self.codegen_backend
     }
-    pub fn io(&self) -> &CompilerIO {
-        &self.io
-    }
     pub fn register_lints(&self) -> &Option<Box<dyn Fn(&Session, &mut LintStore) + Send + Sync>> {
         &self.register_lints
     }
@@ -66,7 +55,7 @@ impl Compiler {
         sess: &Session,
         attrs: &[ast::Attribute],
     ) -> OutputFilenames {
-        util::build_output_filenames(&self.io, attrs, sess)
+        util::build_output_filenames(attrs, sess)
     }
 }
 
@@ -273,12 +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.opt_path(),
+                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(),
@@ -288,17 +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),
-                io: CompilerIO {
-                    input: config.input,
-                    output_dir: config.output_dir,
-                    output_file: config.output_file,
-                    temps_dir,
-                },
                 register_lints: config.register_lints,
                 override_queries: config.override_queries,
             };
diff --git a/compiler/rustc_interface/src/passes.rs b/compiler/rustc_interface/src/passes.rs
index 8545cbefa26..2fa846b7e4b 100644
--- a/compiler/rustc_interface/src/passes.rs
+++ b/compiler/rustc_interface/src/passes.rs
@@ -50,8 +50,8 @@ use std::rc::Rc;
 use std::sync::LazyLock;
 use std::{env, fs, iter};
 
-pub fn parse<'a>(sess: &'a Session, input: &Input) -> PResult<'a, ast::Crate> {
-    let krate = sess.time("parse_crate", || match input {
+pub fn parse<'a>(sess: &'a Session) -> PResult<'a, ast::Crate> {
+    let krate = sess.time("parse_crate", || match &sess.io.input {
         Input::File(file) => parse_crate_from_file(file, &sess.parse_sess),
         Input::Str { input, name } => {
             parse_crate_from_source_str(name.clone(), input.clone(), &sess.parse_sess)
@@ -665,7 +665,6 @@ fn write_out_deps(
 
 pub fn prepare_outputs(
     sess: &Session,
-    compiler: &Compiler,
     krate: &ast::Crate,
     boxed_resolver: &RefCell<BoxedResolver>,
     crate_name: Symbol,
@@ -673,13 +672,13 @@ pub fn prepare_outputs(
     let _timer = sess.timer("prepare_outputs");
 
     // FIXME: rustdoc passes &[] instead of &krate.attrs here
-    let outputs = util::build_output_filenames(&compiler.io, &krate.attrs, sess);
+    let outputs = util::build_output_filenames(&krate.attrs, sess);
 
     let output_paths =
-        generated_output_paths(sess, &outputs, compiler.io.output_file.is_some(), crate_name);
+        generated_output_paths(sess, &outputs, sess.io.output_file.is_some(), crate_name);
 
     // Ensure the source file isn't accidentally overwritten during compilation.
-    if let Some(ref input_path) = compiler.io.input.opt_path() {
+    if let Some(ref input_path) = sess.io.input.opt_path() {
         if sess.opts.will_create_output_file() {
             if output_contains_path(&output_paths, input_path) {
                 let reported = sess.emit_err(InputFileWouldBeOverWritten { path: input_path });
@@ -693,7 +692,7 @@ pub fn prepare_outputs(
         }
     }
 
-    if let Some(ref dir) = compiler.io.temps_dir {
+    if let Some(ref dir) = sess.io.temps_dir {
         if fs::create_dir_all(dir).is_err() {
             let reported = sess.emit_err(TempsDirError);
             return Err(reported);
@@ -706,7 +705,7 @@ pub fn prepare_outputs(
         && sess.opts.output_types.len() == 1;
 
     if !only_dep_info {
-        if let Some(ref dir) = compiler.io.output_dir {
+        if let Some(ref dir) = sess.io.output_dir {
             if fs::create_dir_all(dir).is_err() {
                 let reported = sess.emit_err(OutDirError);
                 return Err(reported);
diff --git a/compiler/rustc_interface/src/queries.rs b/compiler/rustc_interface/src/queries.rs
index 32348fd72ed..dcfb4f43bd0 100644
--- a/compiler/rustc_interface/src/queries.rs
+++ b/compiler/rustc_interface/src/queries.rs
@@ -128,10 +128,8 @@ impl<'tcx> Queries<'tcx> {
     }
 
     pub fn parse(&self) -> Result<QueryResult<'_, ast::Crate>> {
-        self.parse.compute(|| {
-            passes::parse(self.session(), &self.compiler.io.input)
-                .map_err(|mut parse_error| parse_error.emit())
-        })
+        self.parse
+            .compute(|| passes::parse(self.session()).map_err(|mut parse_error| parse_error.emit()))
     }
 
     pub fn register_plugins(&self) -> Result<QueryResult<'_, (ast::Crate, Lrc<LintStore>)>> {
@@ -165,7 +163,7 @@ impl<'tcx> Queries<'tcx> {
                 let parse_result = self.parse()?;
                 let krate = parse_result.borrow();
                 // parse `#[crate_name]` even if `--crate-name` was passed, to make sure it matches.
-                find_crate_name(self.session(), &krate.attrs, &self.compiler.io.input)
+                find_crate_name(self.session(), &krate.attrs)
             })
         })
     }
@@ -214,13 +212,7 @@ impl<'tcx> Queries<'tcx> {
             let crate_name = *self.crate_name()?.borrow();
             let (krate, resolver, lint_store) = self.expansion()?.steal();
 
-            let outputs = passes::prepare_outputs(
-                self.session(),
-                self.compiler,
-                &krate,
-                &resolver,
-                crate_name,
-            )?;
+            let outputs = passes::prepare_outputs(self.session(), &krate, &resolver, crate_name)?;
 
             let ty::ResolverOutputs {
                 untracked,
diff --git a/compiler/rustc_interface/src/tests.rs b/compiler/rustc_interface/src/tests.rs
index 07b28cc86ce..f94bc4d4c66 100644
--- a/compiler/rustc_interface/src/tests.rs
+++ b/compiler/rustc_interface/src/tests.rs
@@ -4,6 +4,7 @@ use crate::interface::parse_cfgspecs;
 use rustc_data_structures::fx::FxHashSet;
 use rustc_errors::{emitter::HumanReadableErrorType, registry, ColorConfig};
 use rustc_session::config::rustc_optgroups;
+use rustc_session::config::Input;
 use rustc_session::config::TraitSolver;
 use rustc_session::config::{build_configuration, build_session_options, to_crate_config};
 use rustc_session::config::{
@@ -17,9 +18,11 @@ use rustc_session::config::{InstrumentCoverage, Passes};
 use rustc_session::lint::Level;
 use rustc_session::search_paths::SearchPath;
 use rustc_session::utils::{CanonicalizedPath, NativeLib, NativeLibKind};
+use rustc_session::CompilerIO;
 use rustc_session::{build_session, getopts, Session};
 use rustc_span::edition::{Edition, DEFAULT_EDITION};
 use rustc_span::symbol::sym;
+use rustc_span::FileName;
 use rustc_span::SourceFileHashAlgorithm;
 use rustc_target::spec::{CodeModel, LinkerFlavorCli, MergeFunctions, PanicStrategy, RelocModel};
 use rustc_target::spec::{RelroLevel, SanitizerSet, SplitDebuginfo, StackProtector, TlsModel};
@@ -39,7 +42,14 @@ fn build_session_options_and_crate_config(matches: getopts::Matches) -> (Options
 fn mk_session(matches: getopts::Matches) -> (Session, CfgSpecs) {
     let registry = registry::Registry::new(&[]);
     let (sessopts, cfg) = build_session_options_and_crate_config(matches);
-    let sess = build_session(sessopts, None, None, registry, Default::default(), None, None);
+    let temps_dir = sessopts.unstable_opts.temps_dir.as_deref().map(PathBuf::from);
+    let io = CompilerIO {
+        input: Input::Str { name: FileName::Custom(String::new()), input: String::new() },
+        output_dir: None,
+        output_file: None,
+        temps_dir,
+    };
+    let sess = build_session(sessopts, io, None, registry, Default::default(), None, None);
     (sess, cfg)
 }
 
diff --git a/compiler/rustc_interface/src/util.rs b/compiler/rustc_interface/src/util.rs
index f19b03c75eb..54363e07b97 100644
--- a/compiler/rustc_interface/src/util.rs
+++ b/compiler/rustc_interface/src/util.rs
@@ -17,6 +17,7 @@ use rustc_span::edition::Edition;
 use rustc_span::lev_distance::find_best_match_for_name;
 use rustc_span::source_map::FileLoader;
 use rustc_span::symbol::{sym, Symbol};
+use session::CompilerIO;
 use std::env;
 use std::env::consts::{DLL_PREFIX, DLL_SUFFIX};
 use std::mem;
@@ -25,8 +26,6 @@ use std::sync::atomic::{AtomicBool, Ordering};
 use std::sync::OnceLock;
 use std::thread;
 
-use crate::interface::CompilerIO;
-
 /// Function pointer type that constructs a new CodegenBackend.
 pub type MakeBackendFn = fn() -> Box<dyn CodegenBackend>;
 
@@ -60,7 +59,7 @@ pub fn create_session(
     cfg: FxHashSet<(String, Option<String>)>,
     check_cfg: CheckCfg,
     file_loader: Option<Box<dyn FileLoader + Send + Sync + 'static>>,
-    input_path: Option<PathBuf>,
+    io: CompilerIO,
     lint_caps: FxHashMap<lint::LintId, lint::Level>,
     make_codegen_backend: Option<
         Box<dyn FnOnce(&config::Options) -> Box<dyn CodegenBackend> + Send>,
@@ -91,7 +90,7 @@ pub fn create_session(
 
     let mut sess = session::build_session(
         sopts,
-        input_path,
+        io,
         bundle,
         descriptions,
         lint_caps,
@@ -488,17 +487,13 @@ pub fn collect_crate_types(session: &Session, attrs: &[ast::Attribute]) -> Vec<C
     base
 }
 
-pub fn build_output_filenames(
-    io: &CompilerIO,
-    attrs: &[ast::Attribute],
-    sess: &Session,
-) -> OutputFilenames {
-    match io.output_file {
+pub fn build_output_filenames(attrs: &[ast::Attribute], sess: &Session) -> OutputFilenames {
+    match sess.io.output_file {
         None => {
             // "-" as input file will cause the parser to read from stdin so we
             // have to make up a name
             // We want to toss everything after the final '.'
-            let dirpath = io.output_dir.clone().unwrap_or_default();
+            let dirpath = sess.io.output_dir.clone().unwrap_or_default();
 
             // If a crate name is present, we use it as the link name
             let stem = sess
@@ -506,13 +501,13 @@ pub fn build_output_filenames(
                 .crate_name
                 .clone()
                 .or_else(|| rustc_attr::find_crate_name(sess, attrs).map(|n| n.to_string()))
-                .unwrap_or_else(|| io.input.filestem().to_owned());
+                .unwrap_or_else(|| sess.io.input.filestem().to_owned());
 
             OutputFilenames::new(
                 dirpath,
                 stem,
                 None,
-                io.temps_dir.clone(),
+                sess.io.temps_dir.clone(),
                 sess.opts.cg.extra_filename.clone(),
                 sess.opts.output_types.clone(),
             )
@@ -533,7 +528,7 @@ pub fn build_output_filenames(
                 }
                 Some(out_file.clone())
             };
-            if io.output_dir != None {
+            if sess.io.output_dir != None {
                 sess.warn("ignoring --out-dir flag due to -o flag");
             }
 
@@ -541,7 +536,7 @@ pub fn build_output_filenames(
                 out_file.parent().unwrap_or_else(|| Path::new("")).to_path_buf(),
                 out_file.file_stem().unwrap_or_default().to_str().unwrap().to_string(),
                 ofile,
-                io.temps_dir.clone(),
+                sess.io.temps_dir.clone(),
                 sess.opts.cg.extra_filename.clone(),
                 sess.opts.output_types.clone(),
             )