use crate::cgu_reuse_tracker::CguReuseTracker;
use crate::code_stats::CodeStats;
pub use crate::code_stats::{DataTypeKind, FieldInfo, SizeKind, VariantInfo};
+use crate::config::Input;
use crate::config::{self, CrateType, InstrumentCoverage, OptLevel, OutputType, SwitchWithOptPath};
+use crate::errors::{
+ BranchProtectionRequiresAArch64, CannotEnableCrtStaticLinux, CannotMixAndMatchSanitizers,
+ LinkerPluginToWindowsNotSupported, NotCircumventFeature, ProfileSampleUseFileDoesNotExist,
+ ProfileUseFileDoesNotExist, SanitizerCfiEnabled, SanitizerNotSupported, SanitizersNotSupported,
+ SkippingConstChecks, SplitDebugInfoUnstablePlatform, StackProtectorNotSupportedForTarget,
+ TargetRequiresUnwindTables, UnleashedFeatureHelp, UnstableVirtualFunctionElimination,
+ UnsupportedDwarfVersion,
+};
use crate::parse::{add_feature_diagnostics, ParseSess};
use crate::search_paths::{PathKind, SearchPath};
use crate::{filesearch, lint};
use rustc_errors::json::JsonEmitter;
use rustc_errors::registry::Registry;
use rustc_errors::{
- fallback_fluent_bundle, DiagnosticBuilder, DiagnosticId, DiagnosticMessage, EmissionGuarantee,
- ErrorGuaranteed, FluentBundle, LazyFallbackBundle, MultiSpan,
+ error_code, fallback_fluent_bundle, DiagnosticBuilder, DiagnosticId, DiagnosticMessage,
+ ErrorGuaranteed, FluentBundle, IntoDiagnostic, LazyFallbackBundle, MultiSpan, Noted,
};
use rustc_macros::HashStable_Generic;
pub use rustc_span::def_id::StableCrateId;
use rustc_target::asm::InlineAsmArch;
use rustc_target::spec::{CodeModel, PanicStrategy, RelocModel, RelroLevel};
use rustc_target::spec::{
- SanitizerSet, SplitDebuginfo, StackProtector, Target, TargetTriple, TlsModel,
+ DebuginfoKind, SanitizerSet, SplitDebuginfo, StackProtector, Target, TargetTriple, TlsModel,
};
use std::cell::{self, RefCell};
use std::env;
use std::fmt;
-use std::io::Write;
use std::ops::{Div, Mul};
use std::path::{Path, PathBuf};
use std::str::FromStr;
}
}
+impl rustc_errors::IntoDiagnosticArg for Limit {
+ fn into_diagnostic_arg(self) -> rustc_errors::DiagnosticArgValue<'static> {
+ self.to_string().into_diagnostic_arg()
+ }
+}
+
#[derive(Clone, Copy, Debug, HashStable_Generic)]
pub struct Limits {
/// The maximum recursion limit for potentially infinitely recursive
pub const_eval_limit: Limit,
}
+pub struct CompilerIO {
+ pub input: Input,
+ pub output_dir: Option<PathBuf>,
+ pub output_file: Option<PathBuf>,
+ pub temps_dir: Option<PathBuf>,
+}
+
/// Represents the data associated with a compilation
/// session for a single crate.
pub struct Session {
pub target_tlib_path: Lrc<SearchPath>,
pub parse_sess: ParseSess,
pub sysroot: PathBuf,
- /// The name of the root source file of the crate, in the local file system.
- /// `None` means that there is no source file.
- pub local_crate_source_file: Option<PathBuf>,
+ /// Input, input file path and output file path to this compilation process.
+ pub io: CompilerIO,
crate_types: OnceCell<Vec<CrateType>>,
/// The `stable_crate_id` is constructed out of the crate name and all the
pub ctfe_backtrace: Lock<CtfeBacktrace>,
/// This tracks where `-Zunleash-the-miri-inside-of-you` was used to get around a
- /// const check, optionally with the relevant feature gate. We use this to
+ /// const check, optionally with the relevant feature gate. We use this to
/// warn about unleashing, but with a single diagnostic instead of dozens that
/// drown everything else in noise.
miri_unleashed_features: Lock<Vec<(Span, Option<Symbol>)>>,
pub normalize_projection_ty: AtomicUsize,
}
-/// Trait implemented by error types. This should not be implemented manually. Instead, use
-/// `#[derive(SessionDiagnostic)]` -- see [rustc_macros::SessionDiagnostic].
-#[rustc_diagnostic_item = "SessionDiagnostic"]
-pub trait SessionDiagnostic<'a, T: EmissionGuarantee = ErrorGuaranteed> {
- /// Write out as a diagnostic out of `sess`.
- #[must_use]
- fn into_diagnostic(self, sess: &'a ParseSess) -> DiagnosticBuilder<'a, T>;
-}
-
impl Session {
pub fn miri_unleashed_feature(&self, span: Span, feature_gate: Option<Symbol>) {
self.miri_unleashed_features.lock().push((span, feature_gate));
}
+ pub fn local_crate_source_file(&self) -> Option<PathBuf> {
+ let path = self.io.input.opt_path()?;
+ Some(self.opts.file_path_mapping().map_prefix(path).0.into_owned())
+ }
+
fn check_miri_unleashed_features(&self) {
let unleashed_features = self.miri_unleashed_features.lock();
if !unleashed_features.is_empty() {
let mut must_err = false;
// Create a diagnostic pointing at where things got unleashed.
- let mut diag = self.struct_warn("skipping const checks");
- for &(span, feature_gate) in unleashed_features.iter() {
- // FIXME: `span_label` doesn't do anything, so we use "help" as a hack.
- if let Some(gate) = feature_gate {
- diag.span_help(span, &format!("skipping check for `{gate}` feature"));
- // The unleash flag must *not* be used to just "hack around" feature gates.
- must_err = true;
- } else {
- diag.span_help(span, "skipping check that does not even have a feature gate");
- }
- }
- diag.emit();
+ self.emit_warning(SkippingConstChecks {
+ unleashed_features: unleashed_features
+ .iter()
+ .map(|(span, gate)| {
+ gate.map(|gate| {
+ must_err = true;
+ UnleashedFeatureHelp::Named { span: *span, gate }
+ })
+ .unwrap_or(UnleashedFeatureHelp::Unnamed { span: *span })
+ })
+ .collect(),
+ });
+
// If we should err, make sure we did.
if must_err && self.has_errors().is_none() {
// We have skipped a feature gate, and not run into other errors... reject.
- self.err(
- "`-Zunleash-the-miri-inside-of-you` may not be used to circumvent feature \
- gates, except when testing error paths in the CTFE engine",
- );
+ self.emit_err(NotCircumventFeature);
}
}
}
}
#[rustc_lint_diagnostics]
+ #[track_caller]
pub fn struct_span_warn<S: Into<MultiSpan>>(
&self,
sp: S,
self.diagnostic().struct_span_warn(sp, msg)
}
#[rustc_lint_diagnostics]
+ #[track_caller]
pub fn struct_span_warn_with_expectation<S: Into<MultiSpan>>(
&self,
sp: S,
self.diagnostic().struct_span_warn_with_expectation(sp, msg, id)
}
#[rustc_lint_diagnostics]
+ #[track_caller]
pub fn struct_span_warn_with_code<S: Into<MultiSpan>>(
&self,
sp: S,
self.diagnostic().struct_span_warn_with_code(sp, msg, code)
}
#[rustc_lint_diagnostics]
+ #[track_caller]
pub fn struct_warn(&self, msg: impl Into<DiagnosticMessage>) -> DiagnosticBuilder<'_, ()> {
self.diagnostic().struct_warn(msg)
}
#[rustc_lint_diagnostics]
+ #[track_caller]
pub fn struct_warn_with_expectation(
&self,
msg: impl Into<DiagnosticMessage>,
self.diagnostic().struct_warn_with_expectation(msg, id)
}
#[rustc_lint_diagnostics]
+ #[track_caller]
pub fn struct_span_allow<S: Into<MultiSpan>>(
&self,
sp: S,
self.diagnostic().struct_span_allow(sp, msg)
}
#[rustc_lint_diagnostics]
+ #[track_caller]
pub fn struct_allow(&self, msg: impl Into<DiagnosticMessage>) -> DiagnosticBuilder<'_, ()> {
self.diagnostic().struct_allow(msg)
}
#[rustc_lint_diagnostics]
+ #[track_caller]
pub fn struct_expect(
&self,
msg: impl Into<DiagnosticMessage>,
self.diagnostic().struct_expect(msg, id)
}
#[rustc_lint_diagnostics]
+ #[track_caller]
pub fn struct_span_err<S: Into<MultiSpan>>(
&self,
sp: S,
self.diagnostic().struct_span_err(sp, msg)
}
#[rustc_lint_diagnostics]
+ #[track_caller]
pub fn struct_span_err_with_code<S: Into<MultiSpan>>(
&self,
sp: S,
}
// FIXME: This method should be removed (every error should have an associated error code).
#[rustc_lint_diagnostics]
+ #[track_caller]
pub fn struct_err(
&self,
msg: impl Into<DiagnosticMessage>,
) -> DiagnosticBuilder<'_, ErrorGuaranteed> {
self.parse_sess.struct_err(msg)
}
+ #[track_caller]
#[rustc_lint_diagnostics]
pub fn struct_err_with_code(
&self,
self.diagnostic().struct_err_with_code(msg, code)
}
#[rustc_lint_diagnostics]
+ #[track_caller]
pub fn struct_warn_with_code(
&self,
msg: impl Into<DiagnosticMessage>,
self.diagnostic().struct_warn_with_code(msg, code)
}
#[rustc_lint_diagnostics]
+ #[track_caller]
pub fn struct_span_fatal<S: Into<MultiSpan>>(
&self,
sp: S,
}
#[rustc_lint_diagnostics]
+ #[track_caller]
pub fn span_fatal<S: Into<MultiSpan>>(&self, sp: S, msg: impl Into<DiagnosticMessage>) -> ! {
self.diagnostic().span_fatal(sp, msg)
}
self.diagnostic().fatal(msg).raise()
}
#[rustc_lint_diagnostics]
+ #[track_caller]
pub fn span_err_or_warn<S: Into<MultiSpan>>(
&self,
is_warning: bool,
}
}
#[rustc_lint_diagnostics]
+ #[track_caller]
pub fn span_err<S: Into<MultiSpan>>(
&self,
sp: S,
pub fn err(&self, msg: impl Into<DiagnosticMessage>) -> ErrorGuaranteed {
self.diagnostic().err(msg)
}
+ #[track_caller]
pub fn create_err<'a>(
&'a self,
- err: impl SessionDiagnostic<'a>,
+ err: impl IntoDiagnostic<'a>,
) -> DiagnosticBuilder<'a, ErrorGuaranteed> {
self.parse_sess.create_err(err)
}
+ #[track_caller]
pub fn create_feature_err<'a>(
&'a self,
- err: impl SessionDiagnostic<'a>,
+ err: impl IntoDiagnostic<'a>,
feature: Symbol,
) -> DiagnosticBuilder<'a, ErrorGuaranteed> {
let mut err = self.parse_sess.create_err(err);
+ if err.code.is_none() {
+ err.code = std::option::Option::Some(error_code!(E0658));
+ }
add_feature_diagnostics(&mut err, &self.parse_sess, feature);
err
}
- pub fn emit_err<'a>(&'a self, err: impl SessionDiagnostic<'a>) -> ErrorGuaranteed {
+ #[track_caller]
+ pub fn emit_err<'a>(&'a self, err: impl IntoDiagnostic<'a>) -> ErrorGuaranteed {
self.parse_sess.emit_err(err)
}
+ #[track_caller]
pub fn create_warning<'a>(
&'a self,
- err: impl SessionDiagnostic<'a, ()>,
+ err: impl IntoDiagnostic<'a, ()>,
) -> DiagnosticBuilder<'a, ()> {
self.parse_sess.create_warning(err)
}
- pub fn emit_warning<'a>(&'a self, warning: impl SessionDiagnostic<'a, ()>) {
+ #[track_caller]
+ pub fn emit_warning<'a>(&'a self, warning: impl IntoDiagnostic<'a, ()>) {
self.parse_sess.emit_warning(warning)
}
+ #[track_caller]
+ pub fn create_note<'a>(
+ &'a self,
+ note: impl IntoDiagnostic<'a, Noted>,
+ ) -> DiagnosticBuilder<'a, Noted> {
+ self.parse_sess.create_note(note)
+ }
+ #[track_caller]
+ pub fn emit_note<'a>(&'a self, note: impl IntoDiagnostic<'a, Noted>) -> Noted {
+ self.parse_sess.emit_note(note)
+ }
+ #[track_caller]
+ pub fn create_fatal<'a>(
+ &'a self,
+ fatal: impl IntoDiagnostic<'a, !>,
+ ) -> DiagnosticBuilder<'a, !> {
+ self.parse_sess.create_fatal(fatal)
+ }
+ #[track_caller]
+ pub fn emit_fatal<'a>(&'a self, fatal: impl IntoDiagnostic<'a, !>) -> ! {
+ self.parse_sess.emit_fatal(fatal)
+ }
#[inline]
pub fn err_count(&self) -> usize {
self.diagnostic().err_count()
pub fn has_errors(&self) -> Option<ErrorGuaranteed> {
self.diagnostic().has_errors()
}
- pub fn has_errors_or_delayed_span_bugs(&self) -> bool {
+ pub fn has_errors_or_delayed_span_bugs(&self) -> Option<ErrorGuaranteed> {
self.diagnostic().has_errors_or_delayed_span_bugs()
}
+ pub fn is_compilation_going_to_fail(&self) -> Option<ErrorGuaranteed> {
+ self.diagnostic().is_compilation_going_to_fail()
+ }
pub fn abort_if_errors(&self) {
self.diagnostic().abort_if_errors();
}
if self.err_count() == old_count {
Ok(result)
} else {
- Err(ErrorGuaranteed::unchecked_claim_error_was_emitted())
+ Err(self.delay_span_bug(
+ rustc_span::DUMMY_SP,
+ "`self.err_count()` changed but an error was not emitted",
+ ))
}
}
+ #[allow(rustc::untranslatable_diagnostic)]
+ #[allow(rustc::diagnostic_outside_of_impl)]
+ #[track_caller]
pub fn span_warn<S: Into<MultiSpan>>(&self, sp: S, msg: impl Into<DiagnosticMessage>) {
self.diagnostic().span_warn(sp, msg)
}
+ #[allow(rustc::untranslatable_diagnostic)]
+ #[allow(rustc::diagnostic_outside_of_impl)]
pub fn span_warn_with_code<S: Into<MultiSpan>>(
&self,
sp: S,
pub fn warn(&self, msg: impl Into<DiagnosticMessage>) {
self.diagnostic().warn(msg)
}
- /// Delay a span_bug() call until abort_if_errors()
+
+ /// Ensures that compilation cannot succeed.
+ ///
+ /// If this function has been called but no errors have been emitted and
+ /// compilation succeeds, it will cause an internal compiler error (ICE).
+ ///
+ /// This can be used in code paths that should never run on successful compilations.
+ /// For example, it can be used to create an [`ErrorGuaranteed`]
+ /// (but you should prefer threading through the [`ErrorGuaranteed`] from an error emission directly).
+ ///
+ /// If no span is available, use [`DUMMY_SP`].
+ ///
+ /// [`DUMMY_SP`]: rustc_span::DUMMY_SP
#[track_caller]
pub fn delay_span_bug<S: Into<MultiSpan>>(
&self,
pub fn note_without_error(&self, msg: impl Into<DiagnosticMessage>) {
self.diagnostic().note_without_error(msg)
}
+
+ #[track_caller]
pub fn span_note_without_error<S: Into<MultiSpan>>(
&self,
sp: S,
) {
self.diagnostic().span_note_without_error(sp, msg)
}
+ #[allow(rustc::untranslatable_diagnostic)]
+ #[allow(rustc::diagnostic_outside_of_impl)]
pub fn struct_note_without_error(
&self,
msg: impl Into<DiagnosticMessage>,
self.parse_sess.source_map()
}
- pub fn time_passes(&self) -> bool {
- self.opts.time_passes()
- }
-
/// Returns `true` if internal lints should be added to the lint store - i.e. if
/// `-Zunstable-options` is provided and this isn't rustdoc (internal lints can trigger errors
/// to be emitted under rustdoc).
self.opts.unstable_opts.sanitizer.contains(SanitizerSet::CFI)
}
+ pub fn is_sanitizer_kcfi_enabled(&self) -> bool {
+ self.opts.unstable_opts.sanitizer.contains(SanitizerSet::KCFI)
+ }
+
/// Check whether this compile session and crate type use static crt.
pub fn crt_static(&self, crate_type: Option<CrateType>) -> bool {
if !self.target.crt_static_respected {
let found_positive = requested_features.clone().any(|r| r == "+crt-static");
// JUSTIFICATION: necessary use of crate_types directly (see FIXME below)
- #[cfg_attr(not(bootstrap), allow(rustc::bad_opt_access))]
+ #[allow(rustc::bad_opt_access)]
if found_positive || found_negative {
found_positive
} else if crate_type == Some(CrateType::ProcMacro)
)
}
+ /// Returns `true` if the target can use the current split debuginfo configuration.
pub fn target_can_use_split_dwarf(&self) -> bool {
- !self.target.is_like_windows && !self.target.is_like_osx
+ self.target.debuginfo_kind == DebuginfoKind::Dwarf
}
pub fn generate_proc_macro_decls_symbol(&self, stable_crate_id: StableCrateId) -> String {
) -> Option<Symbol> {
attrs.iter().find(|at| at.has_name(name)).and_then(|at| at.value_str())
}
+
+ pub fn diagnostic_width(&self) -> usize {
+ let default_column_width = 140;
+ if let Some(width) = self.opts.diagnostic_width {
+ width
+ } else if self.opts.unstable_opts.ui_testing {
+ default_column_width
+ } else {
+ termize::dimensions().map_or(default_column_width, |(w, _)| w)
+ }
+ }
}
// JUSTIFICATION: defn of the suggested wrapper fns
-#[cfg_attr(not(bootstrap), allow(rustc::bad_opt_access))]
+#[allow(rustc::bad_opt_access)]
impl Session {
pub fn verbose(&self) -> bool {
self.opts.unstable_opts.verbose
}
- pub fn instrument_mcount(&self) -> bool {
- self.opts.unstable_opts.instrument_mcount
- }
-
- pub fn time_llvm_passes(&self) -> bool {
- self.opts.unstable_opts.time_llvm_passes
- }
-
- pub fn meta_stats(&self) -> bool {
- self.opts.unstable_opts.meta_stats
- }
-
- pub fn asm_comments(&self) -> bool {
- self.opts.unstable_opts.asm_comments
- }
-
pub fn verify_llvm_ir(&self) -> bool {
self.opts.unstable_opts.verify_llvm_ir || option_env!("RUSTC_VERIFY_LLVM_IR").is_some()
}
- pub fn print_llvm_passes(&self) -> bool {
- self.opts.unstable_opts.print_llvm_passes
- }
-
pub fn binary_dep_depinfo(&self) -> bool {
self.opts.unstable_opts.binary_dep_depinfo
}
return config::Lto::Fat;
}
config::LtoCli::Thin => {
- return if self.opts.cli_forced_thinlto_off {
- config::Lto::Fat
- } else {
- config::Lto::Thin
- };
+ // The user explicitly asked for ThinLTO
+ return config::Lto::Thin;
}
}
// If processing command line options determined that we're incompatible
// with ThinLTO (e.g., `-C lto --emit llvm-ir`) then return that option.
- if self.opts.cli_forced_thinlto_off {
+ if self.opts.cli_forced_local_thinlto_off {
return config::Lto::No;
}
}
// JUSTIFICATION: part of session construction
-#[cfg_attr(not(bootstrap), allow(rustc::bad_opt_access))]
+#[allow(rustc::bad_opt_access)]
fn default_emitter(
sopts: &config::Options,
registry: rustc_errors::registry::Registry,
source_map: Lrc<SourceMap>,
bundle: Option<Lrc<FluentBundle>>,
fallback_bundle: LazyFallbackBundle,
- emitter_dest: Option<Box<dyn Write + Send>>,
) -> Box<dyn Emitter + sync::Send> {
let macro_backtrace = sopts.unstable_opts.macro_backtrace;
- match (sopts.error_format, emitter_dest) {
- (config::ErrorOutputType::HumanReadable(kind), dst) => {
+ let track_diagnostics = sopts.unstable_opts.track_diagnostics;
+ match sopts.error_format {
+ config::ErrorOutputType::HumanReadable(kind) => {
let (short, color_config) = kind.unzip();
if let HumanReadableErrorType::AnnotateSnippet(_) = kind {
);
Box::new(emitter.ui_testing(sopts.unstable_opts.ui_testing))
} else {
- let emitter = match dst {
- None => EmitterWriter::stderr(
- color_config,
- Some(source_map),
- bundle,
- fallback_bundle,
- short,
- sopts.unstable_opts.teach,
- sopts.diagnostic_width,
- macro_backtrace,
- ),
- Some(dst) => EmitterWriter::new(
- dst,
- Some(source_map),
- bundle,
- fallback_bundle,
- short,
- false, // no teach messages when writing to a buffer
- false, // no colors when writing to a buffer
- None, // no diagnostic width
- macro_backtrace,
- ),
- };
+ let emitter = EmitterWriter::stderr(
+ color_config,
+ Some(source_map),
+ bundle,
+ fallback_bundle,
+ short,
+ sopts.unstable_opts.teach,
+ sopts.diagnostic_width,
+ macro_backtrace,
+ track_diagnostics,
+ );
Box::new(emitter.ui_testing(sopts.unstable_opts.ui_testing))
}
}
- (config::ErrorOutputType::Json { pretty, json_rendered }, None) => Box::new(
+ config::ErrorOutputType::Json { pretty, json_rendered } => Box::new(
JsonEmitter::stderr(
Some(registry),
source_map,
json_rendered,
sopts.diagnostic_width,
macro_backtrace,
- )
- .ui_testing(sopts.unstable_opts.ui_testing),
- ),
- (config::ErrorOutputType::Json { pretty, json_rendered }, Some(dst)) => Box::new(
- JsonEmitter::new(
- dst,
- Some(registry),
- source_map,
- bundle,
- fallback_bundle,
- pretty,
- json_rendered,
- sopts.diagnostic_width,
- macro_backtrace,
+ track_diagnostics,
)
.ui_testing(sopts.unstable_opts.ui_testing),
),
}
}
-pub enum DiagnosticOutput {
- Default,
- Raw(Box<dyn Write + Send>),
-}
-
// JUSTIFICATION: literally session construction
-#[cfg_attr(not(bootstrap), allow(rustc::bad_opt_access))]
+#[allow(rustc::bad_opt_access)]
pub fn build_session(
sopts: config::Options,
- local_crate_source_file: Option<PathBuf>,
+ io: CompilerIO,
bundle: Option<Lrc<rustc_errors::FluentBundle>>,
registry: rustc_errors::registry::Registry,
- diagnostics_output: DiagnosticOutput,
driver_lint_caps: FxHashMap<lint::LintId, lint::Level>,
file_loader: Option<Box<dyn FileLoader + Send + Sync + 'static>>,
target_override: Option<Target>,
let warnings_allow = sopts
.lint_opts
.iter()
- .filter(|&&(ref key, _)| *key == "warnings")
- .map(|&(_, ref level)| *level == lint::Allow)
- .last()
- .unwrap_or(false);
+ .rfind(|&(key, _)| *key == "warnings")
+ .map_or(false, |&(_, level)| level == lint::Allow);
let cap_lints_allow = sopts.lint_cap.map_or(false, |cap| cap == lint::Allow);
let can_emit_warnings = !(warnings_allow || cap_lints_allow);
- let write_dest = match diagnostics_output {
- DiagnosticOutput::Default => None,
- DiagnosticOutput::Raw(write) => Some(write),
- };
-
let sysroot = match &sopts.maybe_sysroot {
Some(sysroot) => sysroot.clone(),
- None => filesearch::get_or_default_sysroot(),
+ None => filesearch::get_or_default_sysroot().expect("Failed finding sysroot"),
};
let target_cfg = config::build_target_config(&sopts, target_override, &sysroot);
rustc_errors::DEFAULT_LOCALE_RESOURCES,
sopts.unstable_opts.translate_directionality_markers,
);
- let emitter =
- default_emitter(&sopts, registry, source_map.clone(), bundle, fallback_bundle, write_dest);
+ let emitter = default_emitter(&sopts, registry, source_map.clone(), bundle, fallback_bundle);
let span_diagnostic = rustc_errors::Handler::with_emitter_and_flags(
emitter,
let profiler = SelfProfiler::new(
directory,
sopts.crate_name.as_deref(),
- sopts.unstable_opts.self_profile_events.as_ref().map(|xs| &xs[..]),
+ sopts.unstable_opts.self_profile_events.as_deref(),
&sopts.unstable_opts.self_profile_counter,
);
match profiler {
Lrc::new(SearchPath::from_sysroot_and_triple(&sysroot, target_triple))
};
- let file_path_mapping = sopts.file_path_mapping();
-
- let local_crate_source_file =
- local_crate_source_file.map(|path| file_path_mapping.map_prefix(path).0);
-
let optimization_fuel = Lock::new(OptimizationFuel {
- remaining: sopts.unstable_opts.fuel.as_ref().map_or(0, |i| i.1),
+ remaining: sopts.unstable_opts.fuel.as_ref().map_or(0, |&(_, i)| i),
out_of_fuel: false,
});
let print_fuel = AtomicU64::new(0);
CguReuseTracker::new_disabled()
};
- let prof =
- SelfProfilerRef::new(self_profiler, sopts.time_passes(), sopts.unstable_opts.time_passes);
+ let prof = SelfProfilerRef::new(self_profiler, sopts.unstable_opts.time_passes);
let ctfe_backtrace = Lock::new(match env::var("RUSTC_CTFE_BACKTRACE") {
Ok(ref val) if val == "immediate" => CtfeBacktrace::Immediate,
target_tlib_path,
parse_sess,
sysroot,
- local_crate_source_file,
+ io,
crate_types: OnceCell::new(),
stable_crate_id: OnceCell::new(),
features: OnceCell::new(),
/// If it is useful to have a Session available already for validating a commandline argument, you
/// can do so here.
// JUSTIFICATION: needs to access args to validate them
-#[cfg_attr(not(bootstrap), allow(rustc::bad_opt_access))]
+#[allow(rustc::bad_opt_access)]
fn validate_commandline_args_with_session_available(sess: &Session) {
// Since we don't know if code in an rlib will be linked to statically or
// dynamically downstream, rustc generates `__imp_` symbols that help linkers
&& sess.opts.cg.prefer_dynamic
&& sess.target.is_like_windows
{
- sess.err(
- "Linker plugin based LTO is not supported together with \
- `-C prefer-dynamic` when targeting Windows-like targets",
- );
+ sess.emit_err(LinkerPluginToWindowsNotSupported);
}
// Make sure that any given profiling data actually exists so LLVM can't
// decide to silently skip PGO.
if let Some(ref path) = sess.opts.cg.profile_use {
if !path.exists() {
- sess.err(&format!(
- "File `{}` passed to `-C profile-use` does not exist.",
- path.display()
- ));
+ sess.emit_err(ProfileUseFileDoesNotExist { path });
}
}
// Do the same for sample profile data.
if let Some(ref path) = sess.opts.unstable_opts.profile_sample_use {
if !path.exists() {
- sess.err(&format!(
- "File `{}` passed to `-C profile-sample-use` does not exist.",
- path.display()
- ));
+ sess.emit_err(ProfileSampleUseFileDoesNotExist { path });
}
}
// Unwind tables cannot be disabled if the target requires them.
if let Some(include_uwtables) = sess.opts.cg.force_unwind_tables {
if sess.target.requires_uwtable && !include_uwtables {
- sess.err(
- "target requires unwind tables, they cannot be disabled with \
- `-C force-unwind-tables=no`.",
- );
+ sess.emit_err(TargetRequiresUnwindTables);
}
}
match unsupported_sanitizers.into_iter().count() {
0 => {}
1 => {
- sess.err(&format!(
- "{} sanitizer is not supported for this target",
- unsupported_sanitizers
- ));
+ sess.emit_err(SanitizerNotSupported { us: unsupported_sanitizers.to_string() });
}
_ => {
- sess.err(&format!(
- "{} sanitizers are not supported for this target",
- unsupported_sanitizers
- ));
+ sess.emit_err(SanitizersNotSupported { us: unsupported_sanitizers.to_string() });
}
}
// Cannot mix and match sanitizers.
let mut sanitizer_iter = sess.opts.unstable_opts.sanitizer.into_iter();
if let (Some(first), Some(second)) = (sanitizer_iter.next(), sanitizer_iter.next()) {
- sess.err(&format!("`-Zsanitizer={first}` is incompatible with `-Zsanitizer={second}`"));
+ sess.emit_err(CannotMixAndMatchSanitizers {
+ first: first.to_string(),
+ second: second.to_string(),
+ });
}
// Cannot enable crt-static with sanitizers on Linux
if sess.crt_static(None) && !sess.opts.unstable_opts.sanitizer.is_empty() {
- sess.err(
- "sanitizer is incompatible with statically linked libc, \
- disable it using `-C target-feature=-crt-static`",
- );
+ sess.emit_err(CannotEnableCrtStaticLinux);
}
// LLVM CFI and VFE both require LTO.
if sess.lto() != config::Lto::Fat {
if sess.is_sanitizer_cfi_enabled() {
- sess.err("`-Zsanitizer=cfi` requires `-Clto`");
+ sess.emit_err(SanitizerCfiEnabled);
}
if sess.opts.unstable_opts.virtual_function_elimination {
- sess.err("`-Zvirtual-function-elimination` requires `-Clto`");
+ sess.emit_err(UnstableVirtualFunctionElimination);
}
}
+ // LLVM CFI and KCFI are mutually exclusive
+ if sess.is_sanitizer_cfi_enabled() && sess.is_sanitizer_kcfi_enabled() {
+ sess.emit_err(CannotMixAndMatchSanitizers {
+ first: "cfi".to_string(),
+ second: "kcfi".to_string(),
+ });
+ }
+
if sess.opts.unstable_opts.stack_protector != StackProtector::None {
if !sess.target.options.supports_stack_protector {
- sess.warn(&format!(
- "`-Z stack-protector={}` is not supported for target {} and will be ignored",
- sess.opts.unstable_opts.stack_protector, sess.opts.target_triple
- ))
+ sess.emit_warning(StackProtectorNotSupportedForTarget {
+ stack_protector: sess.opts.unstable_opts.stack_protector,
+ target_triple: &sess.opts.target_triple,
+ });
}
}
+ if sess.opts.unstable_opts.branch_protection.is_some() && sess.target.arch != "aarch64" {
+ sess.emit_err(BranchProtectionRequiresAArch64);
+ }
+
if let Some(dwarf_version) = sess.opts.unstable_opts.dwarf_version {
if dwarf_version > 5 {
- sess.err(&format!("requested DWARF version {} is greater than 5", dwarf_version));
+ sess.emit_err(UnsupportedDwarfVersion { dwarf_version });
}
}
+
+ if !sess.target.options.supported_split_debuginfo.contains(&sess.split_debuginfo())
+ && !sess.opts.unstable_opts.unstable_options
+ {
+ sess.emit_err(SplitDebugInfoUnstablePlatform { debuginfo: sess.split_debuginfo() });
+ }
}
/// Holds data on the current incremental compilation session, if there is one.
false,
None,
false,
+ false,
))
}
- config::ErrorOutputType::Json { pretty, json_rendered } => {
- Box::new(JsonEmitter::basic(pretty, json_rendered, None, fallback_bundle, None, false))
- }
+ config::ErrorOutputType::Json { pretty, json_rendered } => Box::new(JsonEmitter::basic(
+ pretty,
+ json_rendered,
+ None,
+ fallback_bundle,
+ None,
+ false,
+ false,
+ )),
};
rustc_errors::Handler::with_emitter(true, None, emitter)
}
+#[allow(rustc::untranslatable_diagnostic)]
+#[allow(rustc::diagnostic_outside_of_impl)]
pub fn early_error_no_abort(output: config::ErrorOutputType, msg: &str) -> ErrorGuaranteed {
early_error_handler(output).struct_err(msg).emit()
}
+#[allow(rustc::untranslatable_diagnostic)]
+#[allow(rustc::diagnostic_outside_of_impl)]
pub fn early_error(output: config::ErrorOutputType, msg: &str) -> ! {
early_error_handler(output).struct_fatal(msg).emit()
}
+#[allow(rustc::untranslatable_diagnostic)]
+#[allow(rustc::diagnostic_outside_of_impl)]
pub fn early_warn(output: config::ErrorOutputType, msg: &str) {
early_error_handler(output).struct_warn(msg).emit()
}
projects / rustc.git / blobdiff