diff options
Diffstat (limited to 'compiler/rustc_driver/src/lib.rs')
| -rw-r--r-- | compiler/rustc_driver/src/lib.rs | 61 |
1 files changed, 50 insertions, 11 deletions
diff --git a/compiler/rustc_driver/src/lib.rs b/compiler/rustc_driver/src/lib.rs index 53ae913f9..8fb950819 100644 --- a/compiler/rustc_driver/src/lib.rs +++ b/compiler/rustc_driver/src/lib.rs @@ -5,10 +5,12 @@ //! This API is completely unstable and subject to change. #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] -#![feature(let_else)] +#![cfg_attr(bootstrap, feature(let_else))] #![feature(once_cell)] #![recursion_limit = "256"] #![allow(rustc::potential_query_instability)] +#![deny(rustc::untranslatable_diagnostic)] +#![deny(rustc::diagnostic_outside_of_impl)] #[macro_use] extern crate tracing; @@ -16,7 +18,7 @@ extern crate tracing; pub extern crate rustc_plugin_impl as plugin; use rustc_ast as ast; -use rustc_codegen_ssa::{traits::CodegenBackend, CodegenResults}; +use rustc_codegen_ssa::{traits::CodegenBackend, CodegenErrors, CodegenResults}; use rustc_data_structures::profiling::{get_resident_set_size, print_time_passes_entry}; use rustc_data_structures::sync::SeqCst; use rustc_errors::registry::{InvalidErrorCode, Registry}; @@ -56,6 +58,12 @@ use std::time::Instant; pub mod args; pub mod pretty; +mod session_diagnostics; + +use crate::session_diagnostics::{ + RLinkEmptyVersionNumber, RLinkEncodingVersionMismatch, RLinkRustcVersionMismatch, + RLinkWrongFileType, RlinkNotAFile, RlinkUnableToRead, +}; /// Exit status code used for successful compilation and help output. pub const EXIT_SUCCESS: i32 = 0; @@ -581,18 +589,35 @@ pub fn try_process_rlink(sess: &Session, compiler: &interface::Compiler) -> Comp sess.init_crate_types(collect_crate_types(sess, &[])); let outputs = compiler.build_output_filenames(sess, &[]); let rlink_data = fs::read(file).unwrap_or_else(|err| { - sess.fatal(&format!("failed to read rlink file: {}", err)); + sess.emit_fatal(RlinkUnableToRead { err }); }); let codegen_results = match CodegenResults::deserialize_rlink(rlink_data) { Ok(codegen) => codegen, - Err(error) => { - sess.fatal(&format!("Could not deserialize .rlink file: {error}")); + 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, current_version } => { + sess.emit_fatal(RLinkRustcVersionMismatch { + rustc_version, + current_version, + }) + } + }; } }; let result = compiler.codegen_backend().link(sess, codegen_results, &outputs); abort_on_err(result, sess); } else { - sess.fatal("rlink must be a file") + sess.emit_fatal(RlinkNotAFile {}) } Compilation::Stop } else { @@ -1070,7 +1095,7 @@ pub fn handle_options(args: &[String]) -> Option<getopts::Matches> { Some(matches) } -fn parse_crate_attrs<'a>(sess: &'a Session, input: &Input) -> PResult<'a, Vec<ast::Attribute>> { +fn parse_crate_attrs<'a>(sess: &'a Session, input: &Input) -> PResult<'a, ast::AttrVec> { match input { Input::File(ifile) => rustc_parse::parse_crate_attrs_from_file(ifile, &sess.parse_sess), Input::Str { name, input } => rustc_parse::parse_crate_attrs_from_source_str( @@ -1094,22 +1119,25 @@ fn extra_compiler_flags() -> Option<(Vec<String>, bool)> { while let Some(arg) = args.next() { if let Some(a) = ICE_REPORT_COMPILER_FLAGS.iter().find(|a| arg.starts_with(*a)) { let content = if arg.len() == a.len() { + // A space-separated option, like `-C incremental=foo` or `--crate-type rlib` match args.next() { Some(arg) => arg.to_string(), None => continue, } } else if arg.get(a.len()..a.len() + 1) == Some("=") { + // An equals option, like `--crate-type=rlib` arg[a.len() + 1..].to_string() } else { + // A non-space option, like `-Cincremental=foo` arg[a.len()..].to_string() }; - if ICE_REPORT_COMPILER_FLAGS_EXCLUDE.iter().any(|exc| content.starts_with(exc)) { + let option = content.split_once('=').map(|s| s.0).unwrap_or(&content); + if ICE_REPORT_COMPILER_FLAGS_EXCLUDE.iter().any(|exc| option == *exc) { excluded_cargo_defaults = true; } else { result.push(a.to_string()); - match ICE_REPORT_COMPILER_FLAGS_STRIP_VALUE.iter().find(|s| content.starts_with(*s)) - { - Some(s) => result.push(s.to_string()), + match ICE_REPORT_COMPILER_FLAGS_STRIP_VALUE.iter().find(|s| option == **s) { + Some(s) => result.push(format!("{}=[REDACTED]", s)), None => result.push(content), } } @@ -1148,6 +1176,17 @@ static DEFAULT_HOOK: LazyLock<Box<dyn Fn(&panic::PanicInfo<'_>) + Sync + Send + LazyLock::new(|| { let hook = panic::take_hook(); panic::set_hook(Box::new(|info| { + // If the error was caused by a broken pipe then this is not a bug. + // Write the error and return immediately. See #98700. + #[cfg(windows)] + if let Some(msg) = info.payload().downcast_ref::<String>() { + if msg.starts_with("failed printing to stdout: ") && msg.ends_with("(os error 232)") + { + early_error_no_abort(ErrorOutputType::default(), &msg); + return; + } + }; + // Invoke the default handler, which prints the actual panic message and optionally a backtrace (*DEFAULT_HOOK)(info); |