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-rw-r--r--compiler/rustc_driver_impl/src/lib.rs351
1 files changed, 150 insertions, 201 deletions
diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs
index 84ae45d6a..d67fea7e9 100644
--- a/compiler/rustc_driver_impl/src/lib.rs
+++ b/compiler/rustc_driver_impl/src/lib.rs
@@ -5,15 +5,14 @@
//! This API is completely unstable and subject to change.
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
-#![cfg_attr(not(bootstrap), doc(rust_logo))]
-#![cfg_attr(not(bootstrap), feature(rustdoc_internals))]
-#![cfg_attr(not(bootstrap), allow(internal_features))]
+#![doc(rust_logo)]
+#![feature(rustdoc_internals)]
+#![allow(internal_features)]
#![feature(decl_macro)]
#![feature(lazy_cell)]
#![feature(let_chains)]
#![feature(panic_update_hook)]
#![recursion_limit = "256"]
-#![allow(rustc::potential_query_instability)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
@@ -28,19 +27,18 @@ use rustc_data_structures::profiling::{
use rustc_data_structures::sync::SeqCst;
use rustc_errors::registry::{InvalidErrorCode, Registry};
use rustc_errors::{markdown, ColorConfig};
-use rustc_errors::{DiagnosticMessage, ErrorGuaranteed, Handler, PResult, SubdiagnosticMessage};
+use rustc_errors::{DiagCtxt, ErrorGuaranteed, PResult};
use rustc_feature::find_gated_cfg;
-use rustc_fluent_macro::fluent_messages;
use rustc_interface::util::{self, collect_crate_types, get_codegen_backend};
use rustc_interface::{interface, Queries};
-use rustc_lint::{unerased_lint_store, LintStore};
+use rustc_lint::unerased_lint_store;
+use rustc_metadata::creader::MetadataLoader;
use rustc_metadata::locator;
use rustc_session::config::{nightly_options, CG_OPTIONS, Z_OPTIONS};
use rustc_session::config::{ErrorOutputType, Input, OutFileName, OutputType, TrimmedDefPaths};
-use rustc_session::cstore::MetadataLoader;
use rustc_session::getopts::{self, Matches};
use rustc_session::lint::{Lint, LintId};
-use rustc_session::{config, EarlyErrorHandler, Session};
+use rustc_session::{config, EarlyDiagCtxt, Session};
use rustc_span::def_id::LOCAL_CRATE;
use rustc_span::source_map::FileLoader;
use rustc_span::symbol::sym;
@@ -102,7 +100,7 @@ use crate::session_diagnostics::{
RLinkWrongFileType, RlinkNotAFile, RlinkUnableToRead,
};
-fluent_messages! { "../messages.ftl" }
+rustc_fluent_macro::fluent_messages! { "../messages.ftl" }
pub static DEFAULT_LOCALE_RESOURCES: &[&str] = &[
// tidy-alphabetical-start
@@ -114,7 +112,6 @@ pub static DEFAULT_LOCALE_RESOURCES: &[&str] = &[
rustc_builtin_macros::DEFAULT_LOCALE_RESOURCE,
rustc_codegen_ssa::DEFAULT_LOCALE_RESOURCE,
rustc_const_eval::DEFAULT_LOCALE_RESOURCE,
- rustc_error_messages::DEFAULT_LOCALE_RESOURCE,
rustc_errors::DEFAULT_LOCALE_RESOURCE,
rustc_expand::DEFAULT_LOCALE_RESOURCE,
rustc_hir_analysis::DEFAULT_LOCALE_RESOURCE,
@@ -131,6 +128,7 @@ pub static DEFAULT_LOCALE_RESOURCES: &[&str] = &[
rustc_monomorphize::DEFAULT_LOCALE_RESOURCE,
rustc_parse::DEFAULT_LOCALE_RESOURCE,
rustc_passes::DEFAULT_LOCALE_RESOURCE,
+ rustc_pattern_analysis::DEFAULT_LOCALE_RESOURCE,
rustc_privacy::DEFAULT_LOCALE_RESOURCE,
rustc_query_system::DEFAULT_LOCALE_RESOURCE,
rustc_resolve::DEFAULT_LOCALE_RESOURCE,
@@ -293,7 +291,7 @@ fn run_compiler(
>,
using_internal_features: Arc<std::sync::atomic::AtomicBool>,
) -> interface::Result<()> {
- let mut early_error_handler = EarlyErrorHandler::new(ErrorOutputType::default());
+ let mut default_early_dcx = EarlyDiagCtxt::new(ErrorOutputType::default());
// Throw away the first argument, the name of the binary.
// In case of at_args being empty, as might be the case by
@@ -305,14 +303,14 @@ fn run_compiler(
// the compiler with @empty_file as argv[0] and no more arguments.
let at_args = at_args.get(1..).unwrap_or_default();
- let args = args::arg_expand_all(&early_error_handler, at_args);
+ let args = args::arg_expand_all(&default_early_dcx, at_args);
- let Some(matches) = handle_options(&early_error_handler, &args) else { return Ok(()) };
+ let Some(matches) = handle_options(&default_early_dcx, &args) else { return Ok(()) };
- let sopts = config::build_session_options(&mut early_error_handler, &matches);
+ let sopts = config::build_session_options(&mut default_early_dcx, &matches);
if let Some(ref code) = matches.opt_str("explain") {
- handle_explain(&early_error_handler, diagnostics_registry(), code, sopts.color);
+ handle_explain(&default_early_dcx, diagnostics_registry(), code, sopts.color);
return Ok(());
}
@@ -338,71 +336,56 @@ fn run_compiler(
expanded_args: args,
};
- match make_input(&early_error_handler, &matches.free) {
+ let has_input = match make_input(&default_early_dcx, &matches.free) {
Err(reported) => return Err(reported),
Ok(Some(input)) => {
config.input = input;
-
- callbacks.config(&mut config);
+ true // has input: normal compilation
}
Ok(None) => match matches.free.len() {
- 0 => {
- callbacks.config(&mut config);
-
- early_error_handler.abort_if_errors();
-
- interface::run_compiler(config, |compiler| {
- let sopts = &compiler.session().opts;
- let handler = EarlyErrorHandler::new(sopts.error_format);
-
- if sopts.describe_lints {
- let mut lint_store =
- rustc_lint::new_lint_store(compiler.session().enable_internal_lints());
- let registered_lints =
- if let Some(register_lints) = compiler.register_lints() {
- register_lints(compiler.session(), &mut lint_store);
- true
- } else {
- false
- };
- describe_lints(compiler.session(), &lint_store, registered_lints);
- return;
- }
- let should_stop = print_crate_info(
- &handler,
- &**compiler.codegen_backend(),
- compiler.session(),
- false,
- );
-
- if should_stop == Compilation::Stop {
- return;
- }
- handler.early_error("no input filename given")
- });
- return Ok(());
- }
+ 0 => false, // no input: we will exit early
1 => panic!("make_input should have provided valid inputs"),
- _ => early_error_handler.early_error(format!(
+ _ => default_early_dcx.early_error(format!(
"multiple input filenames provided (first two filenames are `{}` and `{}`)",
matches.free[0], matches.free[1],
)),
},
};
- early_error_handler.abort_if_errors();
+ callbacks.config(&mut config);
+
+ default_early_dcx.abort_if_errors();
+ drop(default_early_dcx);
interface::run_compiler(config, |compiler| {
- let sess = compiler.session();
- let handler = EarlyErrorHandler::new(sess.opts.error_format);
+ let sess = &compiler.sess;
+ let codegen_backend = &*compiler.codegen_backend;
+
+ // This implements `-Whelp`. It should be handled very early, like
+ // `--help`/`-Zhelp`/`-Chelp`. This is the earliest it can run, because
+ // it must happen after lints are registered, during session creation.
+ if sess.opts.describe_lints {
+ describe_lints(sess);
+ return sess.compile_status();
+ }
- let should_stop = print_crate_info(&handler, &**compiler.codegen_backend(), sess, true)
- .and_then(|| {
- list_metadata(&handler, sess, &*compiler.codegen_backend().metadata_loader())
- })
- .and_then(|| try_process_rlink(sess, compiler));
+ let early_dcx = EarlyDiagCtxt::new(sess.opts.error_format);
- if should_stop == Compilation::Stop {
+ if print_crate_info(&early_dcx, codegen_backend, sess, has_input) == Compilation::Stop {
+ return sess.compile_status();
+ }
+
+ if !has_input {
+ early_dcx.early_error("no input filename given"); // this is fatal
+ }
+
+ if !sess.opts.unstable_opts.ls.is_empty() {
+ list_metadata(&early_dcx, sess, &*codegen_backend.metadata_loader());
+ return sess.compile_status();
+ }
+
+ if sess.opts.unstable_opts.link_only {
+ process_rlink(sess, compiler);
return sess.compile_status();
}
@@ -418,9 +401,7 @@ fn run_compiler(
Ok(())
})?;
- // Make sure the `output_filenames` query is run for its side
- // effects of writing the dep-info and reporting errors.
- queries.global_ctxt()?.enter(|tcx| tcx.output_filenames(()));
+ queries.write_dep_info()?;
} else {
let krate = queries.parse()?;
pretty::print(
@@ -441,13 +422,6 @@ fn run_compiler(
return early_exit();
}
- if sess.opts.describe_lints {
- queries
- .global_ctxt()?
- .enter(|tcx| describe_lints(sess, unerased_lint_store(tcx), true));
- return early_exit();
- }
-
// Make sure name resolution and macro expansion is run.
queries.global_ctxt()?.enter(|tcx| tcx.resolver_for_lowering(()));
@@ -455,9 +429,7 @@ fn run_compiler(
return early_exit();
}
- // Make sure the `output_filenames` query is run for its side
- // effects of writing the dep-info and reporting errors.
- queries.global_ctxt()?.enter(|tcx| tcx.output_filenames(()));
+ queries.write_dep_info()?;
if sess.opts.output_types.contains_key(&OutputType::DepInfo)
&& sess.opts.output_types.len() == 1
@@ -475,8 +447,10 @@ fn run_compiler(
return early_exit();
}
- let ongoing_codegen = queries.ongoing_codegen()?;
+ let linker = queries.codegen_and_build_linker()?;
+ // This must run after monomorphization so that all generic types
+ // have been instantiated.
if sess.opts.unstable_opts.print_type_sizes {
sess.code_stats.print_type_sizes();
}
@@ -487,17 +461,14 @@ fn run_compiler(
sess.code_stats.print_vtable_sizes(crate_name);
}
- let linker = queries.linker(ongoing_codegen)?;
Ok(Some(linker))
})?;
+ // Linking is done outside the `compiler.enter()` so that the
+ // `GlobalCtxt` within `Queries` can be freed as early as possible.
if let Some(linker) = linker {
let _timer = sess.timer("link");
- linker.link()?
- }
-
- if sess.opts.unstable_opts.perf_stats {
- sess.print_perf_stats();
+ linker.link(sess, codegen_backend)?
}
if sess.opts.unstable_opts.print_fuel.is_some() {
@@ -524,7 +495,7 @@ fn make_output(matches: &getopts::Matches) -> (Option<PathBuf>, Option<OutFileNa
// Extract input (string or file and optional path) from matches.
fn make_input(
- handler: &EarlyErrorHandler,
+ early_dcx: &EarlyDiagCtxt,
free_matches: &[String],
) -> Result<Option<Input>, ErrorGuaranteed> {
if free_matches.len() == 1 {
@@ -534,7 +505,7 @@ fn make_input(
if io::stdin().read_to_string(&mut src).is_err() {
// Immediately stop compilation if there was an issue reading
// the input (for example if the input stream is not UTF-8).
- let reported = handler.early_error_no_abort(
+ let reported = early_dcx.early_error_no_abort(
"couldn't read from stdin, as it did not contain valid UTF-8",
);
return Err(reported);
@@ -566,16 +537,7 @@ pub enum Compilation {
Continue,
}
-impl Compilation {
- fn and_then<F: FnOnce() -> Compilation>(self, next: F) -> Compilation {
- match self {
- Compilation::Stop => Compilation::Stop,
- Compilation::Continue => next(),
- }
- }
-}
-
-fn handle_explain(handler: &EarlyErrorHandler, registry: Registry, code: &str, color: ColorConfig) {
+fn handle_explain(early_dcx: &EarlyDiagCtxt, registry: Registry, code: &str, color: ColorConfig) {
let upper_cased_code = code.to_ascii_uppercase();
let normalised =
if upper_cased_code.starts_with('E') { upper_cased_code } else { format!("E{code:0>4}") };
@@ -605,7 +567,7 @@ fn handle_explain(handler: &EarlyErrorHandler, registry: Registry, code: &str, c
}
}
Err(InvalidErrorCode) => {
- handler.early_error(format!("{code} is not a valid error code"));
+ early_dcx.early_error(format!("{code} is not a valid error code"));
}
}
}
@@ -625,10 +587,8 @@ fn show_md_content_with_pager(content: &str, color: ColorConfig) {
let mut print_formatted = if pager_name == "less" {
cmd.arg("-r");
true
- } else if ["bat", "catbat", "delta"].iter().any(|v| *v == pager_name) {
- true
} else {
- false
+ ["bat", "catbat", "delta"].iter().any(|v| *v == pager_name)
};
if color == ColorConfig::Never {
@@ -679,74 +639,59 @@ fn show_md_content_with_pager(content: &str, color: ColorConfig) {
}
}
-fn try_process_rlink(sess: &Session, compiler: &interface::Compiler) -> Compilation {
- if sess.opts.unstable_opts.link_only {
- if let Input::File(file) = &sess.io.input {
- let outputs = compiler.build_output_filenames(sess, &[]);
- let rlink_data = fs::read(file).unwrap_or_else(|err| {
- sess.emit_fatal(RlinkUnableToRead { err });
- });
- let codegen_results = match CodegenResults::deserialize_rlink(sess, rlink_data) {
- Ok(codegen) => codegen,
- Err(err) => {
- match err {
- CodegenErrors::WrongFileType => sess.emit_fatal(RLinkWrongFileType),
- CodegenErrors::EmptyVersionNumber => {
- sess.emit_fatal(RLinkEmptyVersionNumber)
- }
- CodegenErrors::EncodingVersionMismatch { version_array, rlink_version } => {
- sess.emit_fatal(RLinkEncodingVersionMismatch {
- version_array,
- rlink_version,
- })
- }
- CodegenErrors::RustcVersionMismatch { rustc_version } => {
- sess.emit_fatal(RLinkRustcVersionMismatch {
- rustc_version,
- current_version: sess.cfg_version,
- })
- }
- };
- }
- };
- let result = compiler.codegen_backend().link(sess, codegen_results, &outputs);
- abort_on_err(result, sess);
- } else {
- sess.emit_fatal(RlinkNotAFile {})
- }
- Compilation::Stop
+fn process_rlink(sess: &Session, compiler: &interface::Compiler) {
+ assert!(sess.opts.unstable_opts.link_only);
+ if let Input::File(file) = &sess.io.input {
+ let rlink_data = fs::read(file).unwrap_or_else(|err| {
+ sess.emit_fatal(RlinkUnableToRead { err });
+ });
+ let (codegen_results, outputs) = match CodegenResults::deserialize_rlink(sess, rlink_data) {
+ Ok((codegen, outputs)) => (codegen, outputs),
+ Err(err) => {
+ match err {
+ CodegenErrors::WrongFileType => sess.emit_fatal(RLinkWrongFileType),
+ CodegenErrors::EmptyVersionNumber => sess.emit_fatal(RLinkEmptyVersionNumber),
+ CodegenErrors::EncodingVersionMismatch { version_array, rlink_version } => sess
+ .emit_fatal(RLinkEncodingVersionMismatch { version_array, rlink_version }),
+ CodegenErrors::RustcVersionMismatch { rustc_version } => {
+ sess.emit_fatal(RLinkRustcVersionMismatch {
+ rustc_version,
+ current_version: sess.cfg_version,
+ })
+ }
+ };
+ }
+ };
+ let result = compiler.codegen_backend.link(sess, codegen_results, &outputs);
+ abort_on_err(result, sess);
} else {
- Compilation::Continue
+ sess.emit_fatal(RlinkNotAFile {})
}
}
-fn list_metadata(
- handler: &EarlyErrorHandler,
- sess: &Session,
- metadata_loader: &dyn MetadataLoader,
-) -> Compilation {
- let ls_kinds = &sess.opts.unstable_opts.ls;
- if !ls_kinds.is_empty() {
- match sess.io.input {
- Input::File(ref ifile) => {
- let path = &(*ifile);
- let mut v = Vec::new();
- locator::list_file_metadata(&sess.target, path, metadata_loader, &mut v, ls_kinds)
- .unwrap();
- safe_println!("{}", String::from_utf8(v).unwrap());
- }
- Input::Str { .. } => {
- handler.early_error("cannot list metadata for stdin");
- }
+fn list_metadata(early_dcx: &EarlyDiagCtxt, sess: &Session, metadata_loader: &dyn MetadataLoader) {
+ match sess.io.input {
+ Input::File(ref ifile) => {
+ let path = &(*ifile);
+ let mut v = Vec::new();
+ locator::list_file_metadata(
+ &sess.target,
+ path,
+ metadata_loader,
+ &mut v,
+ &sess.opts.unstable_opts.ls,
+ )
+ .unwrap();
+ safe_println!("{}", String::from_utf8(v).unwrap());
+ }
+ Input::Str { .. } => {
+ early_dcx.early_error("cannot list metadata for stdin");
}
- return Compilation::Stop;
}
-
- Compilation::Continue
}
fn print_crate_info(
- handler: &EarlyErrorHandler,
+ early_dcx: &EarlyDiagCtxt,
codegen_backend: &dyn CodegenBackend,
sess: &Session,
parse_attrs: bool,
@@ -893,7 +838,7 @@ fn print_crate_info(
.expect("unknown Apple target OS");
println_info!("deployment_target={}", format!("{major}.{minor}"))
} else {
- handler
+ early_dcx
.early_error("only Apple targets currently support deployment version info")
}
}
@@ -907,12 +852,12 @@ fn print_crate_info(
/// Prints version information
///
/// NOTE: this is a macro to support drivers built at a different time than the main `rustc_driver` crate.
-pub macro version($handler: expr, $binary: literal, $matches: expr) {
+pub macro version($early_dcx: expr, $binary: literal, $matches: expr) {
fn unw(x: Option<&str>) -> &str {
x.unwrap_or("unknown")
}
$crate::version_at_macro_invocation(
- $handler,
+ $early_dcx,
$binary,
$matches,
unw(option_env!("CFG_VERSION")),
@@ -924,7 +869,7 @@ pub macro version($handler: expr, $binary: literal, $matches: expr) {
#[doc(hidden)] // use the macro instead
pub fn version_at_macro_invocation(
- handler: &EarlyErrorHandler,
+ early_dcx: &EarlyDiagCtxt,
binary: &str,
matches: &getopts::Matches,
version: &str,
@@ -945,7 +890,7 @@ pub fn version_at_macro_invocation(
let debug_flags = matches.opt_strs("Z");
let backend_name = debug_flags.iter().find_map(|x| x.strip_prefix("codegen-backend="));
- get_codegen_backend(handler, &None, backend_name).print_version();
+ get_codegen_backend(early_dcx, &None, backend_name).print_version();
}
}
@@ -995,7 +940,7 @@ the command line flag directly.
}
/// Write to stdout lint command options, together with a list of all available lints
-pub fn describe_lints(sess: &Session, lint_store: &LintStore, loaded_lints: bool) {
+pub fn describe_lints(sess: &Session) {
safe_println!(
"
Available lint options:
@@ -1021,6 +966,7 @@ Available lint options:
lints
}
+ let lint_store = unerased_lint_store(sess);
let (loaded, builtin): (Vec<_>, _) =
lint_store.get_lints().iter().cloned().partition(|&lint| lint.is_loaded);
let loaded = sort_lints(sess, loaded);
@@ -1098,7 +1044,7 @@ Available lint options:
print_lint_groups(builtin_groups, true);
- match (loaded_lints, loaded.len(), loaded_groups.len()) {
+ match (sess.registered_lints, loaded.len(), loaded_groups.len()) {
(false, 0, _) | (false, _, 0) => {
safe_println!("Lint tools like Clippy can load additional lints and lint groups.");
}
@@ -1122,7 +1068,7 @@ Available lint options:
/// Show help for flag categories shared between rustdoc and rustc.
///
/// Returns whether a help option was printed.
-pub fn describe_flag_categories(handler: &EarlyErrorHandler, matches: &Matches) -> bool {
+pub fn describe_flag_categories(early_dcx: &EarlyDiagCtxt, matches: &Matches) -> bool {
// Handle the special case of -Wall.
let wall = matches.opt_strs("W");
if wall.iter().any(|x| *x == "all") {
@@ -1144,12 +1090,12 @@ pub fn describe_flag_categories(handler: &EarlyErrorHandler, matches: &Matches)
}
if cg_flags.iter().any(|x| *x == "no-stack-check") {
- handler.early_warn("the --no-stack-check flag is deprecated and does nothing");
+ early_dcx.early_warn("the --no-stack-check flag is deprecated and does nothing");
}
if cg_flags.iter().any(|x| *x == "passes=list") {
let backend_name = debug_flags.iter().find_map(|x| x.strip_prefix("codegen-backend="));
- get_codegen_backend(handler, &None, backend_name).print_passes();
+ get_codegen_backend(early_dcx, &None, backend_name).print_passes();
return true;
}
@@ -1210,7 +1156,7 @@ fn print_flag_list<T>(
/// This does not need to be `pub` for rustc itself, but @chaosite needs it to
/// be public when using rustc as a library, see
/// <https://github.com/rust-lang/rust/commit/2b4c33817a5aaecabf4c6598d41e190080ec119e>
-pub fn handle_options(handler: &EarlyErrorHandler, args: &[String]) -> Option<getopts::Matches> {
+pub fn handle_options(early_dcx: &EarlyDiagCtxt, args: &[String]) -> Option<getopts::Matches> {
if args.is_empty() {
// user did not write `-v` nor `-Z unstable-options`, so do not
// include that extra information.
@@ -1236,7 +1182,7 @@ pub fn handle_options(handler: &EarlyErrorHandler, args: &[String]) -> Option<ge
.map(|(flag, _)| format!("{e}. Did you mean `-{flag} {opt}`?")),
_ => None,
};
- handler.early_error(msg.unwrap_or_else(|| e.to_string()));
+ early_dcx.early_error(msg.unwrap_or_else(|| e.to_string()));
});
// For all options we just parsed, we check a few aspects:
@@ -1250,7 +1196,7 @@ pub fn handle_options(handler: &EarlyErrorHandler, args: &[String]) -> Option<ge
// we're good to go.
// * Otherwise, if we're an unstable option then we generate an error
// (unstable option being used on stable)
- nightly_options::check_nightly_options(handler, &matches, &config::rustc_optgroups());
+ nightly_options::check_nightly_options(early_dcx, &matches, &config::rustc_optgroups());
if matches.opt_present("h") || matches.opt_present("help") {
// Only show unstable options in --help if we accept unstable options.
@@ -1260,12 +1206,12 @@ pub fn handle_options(handler: &EarlyErrorHandler, args: &[String]) -> Option<ge
return None;
}
- if describe_flag_categories(handler, &matches) {
+ if describe_flag_categories(early_dcx, &matches) {
return None;
}
if matches.opt_present("version") {
- version!(handler, "rustc", &matches);
+ version!(early_dcx, "rustc", &matches);
return None;
}
@@ -1360,7 +1306,10 @@ fn ice_path() -> &'static Option<PathBuf> {
/// internal features.
///
/// A custom rustc driver can skip calling this to set up a custom ICE hook.
-pub fn install_ice_hook(bug_report_url: &'static str, extra_info: fn(&Handler)) -> Arc<AtomicBool> {
+pub fn install_ice_hook(
+ bug_report_url: &'static str,
+ extra_info: fn(&DiagCtxt),
+) -> Arc<AtomicBool> {
// If the user has not explicitly overridden "RUST_BACKTRACE", then produce
// full backtraces. When a compiler ICE happens, we want to gather
// as much information as possible to present in the issue opened
@@ -1383,8 +1332,8 @@ pub fn install_ice_hook(bug_report_url: &'static str, extra_info: fn(&Handler))
if msg.starts_with("failed printing to stdout: ") && msg.ends_with("(os error 232)")
{
// the error code is already going to be reported when the panic unwinds up the stack
- let handler = EarlyErrorHandler::new(ErrorOutputType::default());
- let _ = handler.early_error_no_abort(msg.clone());
+ let early_dcx = EarlyDiagCtxt::new(ErrorOutputType::default());
+ let _ = early_dcx.early_error_no_abort(msg.clone());
return;
}
};
@@ -1438,7 +1387,7 @@ pub fn install_ice_hook(bug_report_url: &'static str, extra_info: fn(&Handler))
fn report_ice(
info: &panic::PanicInfo<'_>,
bug_report_url: &str,
- extra_info: fn(&Handler),
+ extra_info: fn(&DiagCtxt),
using_internal_features: &AtomicBool,
) {
let fallback_bundle =
@@ -1447,20 +1396,20 @@ fn report_ice(
rustc_errors::ColorConfig::Auto,
fallback_bundle,
));
- let handler = rustc_errors::Handler::with_emitter(emitter);
+ let dcx = rustc_errors::DiagCtxt::with_emitter(emitter);
// a .span_bug or .bug call has already printed what
// it wants to print.
if !info.payload().is::<rustc_errors::ExplicitBug>()
&& !info.payload().is::<rustc_errors::DelayedBugPanic>()
{
- handler.emit_err(session_diagnostics::Ice);
+ dcx.emit_err(session_diagnostics::Ice);
}
if using_internal_features.load(std::sync::atomic::Ordering::Relaxed) {
- handler.emit_note(session_diagnostics::IceBugReportInternalFeature);
+ dcx.emit_note(session_diagnostics::IceBugReportInternalFeature);
} else {
- handler.emit_note(session_diagnostics::IceBugReport { bug_report_url });
+ dcx.emit_note(session_diagnostics::IceBugReport { bug_report_url });
}
let version = util::version_str!().unwrap_or("unknown_version");
@@ -1472,7 +1421,7 @@ fn report_ice(
// Create the ICE dump target file.
match crate::fs::File::options().create(true).append(true).open(&path) {
Ok(mut file) => {
- handler.emit_note(session_diagnostics::IcePath { path: path.clone() });
+ dcx.emit_note(session_diagnostics::IcePath { path: path.clone() });
if FIRST_PANIC.swap(false, Ordering::SeqCst) {
let _ = write!(file, "\n\nrustc version: {version}\nplatform: {triple}");
}
@@ -1480,26 +1429,26 @@ fn report_ice(
}
Err(err) => {
// The path ICE couldn't be written to disk, provide feedback to the user as to why.
- handler.emit_warning(session_diagnostics::IcePathError {
+ dcx.emit_warning(session_diagnostics::IcePathError {
path: path.clone(),
error: err.to_string(),
env_var: std::env::var_os("RUSTC_ICE")
.map(PathBuf::from)
.map(|env_var| session_diagnostics::IcePathErrorEnv { env_var }),
});
- handler.emit_note(session_diagnostics::IceVersion { version, triple });
+ dcx.emit_note(session_diagnostics::IceVersion { version, triple });
None
}
}
} else {
- handler.emit_note(session_diagnostics::IceVersion { version, triple });
+ dcx.emit_note(session_diagnostics::IceVersion { version, triple });
None
};
if let Some((flags, excluded_cargo_defaults)) = rustc_session::utils::extra_compiler_flags() {
- handler.emit_note(session_diagnostics::IceFlags { flags: flags.join(" ") });
+ dcx.emit_note(session_diagnostics::IceFlags { flags: flags.join(" ") });
if excluded_cargo_defaults {
- handler.emit_note(session_diagnostics::IceExcludeCargoDefaults);
+ dcx.emit_note(session_diagnostics::IceExcludeCargoDefaults);
}
}
@@ -1508,11 +1457,11 @@ fn report_ice(
let num_frames = if backtrace { None } else { Some(2) };
- interface::try_print_query_stack(&handler, num_frames, file);
+ interface::try_print_query_stack(&dcx, num_frames, file);
// We don't trust this callback not to panic itself, so run it at the end after we're sure we've
// printed all the relevant info.
- extra_info(&handler);
+ extra_info(&dcx);
#[cfg(windows)]
if env::var("RUSTC_BREAK_ON_ICE").is_ok() {
@@ -1523,16 +1472,16 @@ fn report_ice(
/// This allows tools to enable rust logging without having to magically match rustc's
/// tracing crate version.
-pub fn init_rustc_env_logger(handler: &EarlyErrorHandler) {
- init_env_logger(handler, "RUSTC_LOG");
+pub fn init_rustc_env_logger(early_dcx: &EarlyDiagCtxt) {
+ init_logger(early_dcx, rustc_log::LoggerConfig::from_env("RUSTC_LOG"));
}
/// This allows tools to enable rust logging without having to magically match rustc's
-/// tracing crate version. In contrast to `init_rustc_env_logger` it allows you to choose an env var
-/// other than `RUSTC_LOG`.
-pub fn init_env_logger(handler: &EarlyErrorHandler, env: &str) {
- if let Err(error) = rustc_log::init_env_logger(env) {
- handler.early_error(error.to_string());
+/// tracing crate version. In contrast to `init_rustc_env_logger` it allows you to choose
+/// the values directly rather than having to set an environment variable.
+pub fn init_logger(early_dcx: &EarlyDiagCtxt, cfg: rustc_log::LoggerConfig) {
+ if let Err(error) = rustc_log::init_logger(cfg) {
+ early_dcx.early_error(error.to_string());
}
}
@@ -1540,9 +1489,9 @@ pub fn main() -> ! {
let start_time = Instant::now();
let start_rss = get_resident_set_size();
- let handler = EarlyErrorHandler::new(ErrorOutputType::default());
+ let early_dcx = EarlyDiagCtxt::new(ErrorOutputType::default());
- init_rustc_env_logger(&handler);
+ init_rustc_env_logger(&early_dcx);
signal_handler::install();
let mut callbacks = TimePassesCallbacks::default();
let using_internal_features = install_ice_hook(DEFAULT_BUG_REPORT_URL, |_| ());
@@ -1551,7 +1500,7 @@ pub fn main() -> ! {
.enumerate()
.map(|(i, arg)| {
arg.into_string().unwrap_or_else(|arg| {
- handler.early_error(format!("argument {i} is not valid Unicode: {arg:?}"))
+ early_dcx.early_error(format!("argument {i} is not valid Unicode: {arg:?}"))
})
})
.collect::<Vec<_>>();