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::{
- CannotEnableCrtStaticLinux, CannotMixAndMatchSanitizers, LinkerPluginToWindowsNotSupported,
- NotCircumventFeature, ProfileSampleUseFileDoesNotExist, ProfileUseFileDoesNotExist,
- SanitizerCfiEnabled, SanitizerNotSupported, SanitizersNotSupported, SkippingConstChecks,
- SplitDebugInfoUnstablePlatform, StackProtectorNotSupportedForTarget,
+ BranchProtectionRequiresAArch64, CannotEnableCrtStaticLinux, CannotMixAndMatchSanitizers,
+ LinkerPluginToWindowsNotSupported, NotCircumventFeature, ProfileSampleUseFileDoesNotExist,
+ ProfileUseFileDoesNotExist, SanitizerCfiEnabled, SanitizerNotSupported, SanitizersNotSupported,
+ SkippingConstChecks, SplitDebugInfoUnstablePlatform, StackProtectorNotSupportedForTarget,
TargetRequiresUnwindTables, UnleashedFeatureHelp, UnstableVirtualFunctionElimination,
UnsupportedDwarfVersion,
};
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>)>>,
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() {
}
#[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 IntoDiagnostic<'a>,
) -> DiagnosticBuilder<'a, ErrorGuaranteed> {
self.parse_sess.create_err(err)
}
+ #[track_caller]
pub fn create_feature_err<'a>(
&'a self,
err: impl IntoDiagnostic<'a>,
add_feature_diagnostics(&mut err, &self.parse_sess, feature);
err
}
+ #[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 IntoDiagnostic<'a, ()>,
) -> DiagnosticBuilder<'a, ()> {
self.parse_sess.create_warning(err)
}
+ #[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)
}
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)
}
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.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 {
) -> 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
self.opts.unstable_opts.verbose
}
- pub fn instrument_mcount(&self) -> bool {
- self.opts.unstable_opts.instrument_mcount
- }
-
- pub fn time_passes(&self) -> bool {
- self.opts.unstable_opts.time_passes
- }
-
- 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;
}
fallback_bundle: LazyFallbackBundle,
) -> Box<dyn Emitter + sync::Send> {
let macro_backtrace = sopts.unstable_opts.macro_backtrace;
+ let track_diagnostics = sopts.unstable_opts.track_diagnostics;
match sopts.error_format {
config::ErrorOutputType::HumanReadable(kind) => {
let (short, color_config) = kind.unzip();
sopts.unstable_opts.teach,
sopts.diagnostic_width,
macro_backtrace,
+ track_diagnostics,
);
Box::new(emitter.ui_testing(sopts.unstable_opts.ui_testing))
}
json_rendered,
sopts.diagnostic_width,
macro_backtrace,
+ track_diagnostics,
)
.ui_testing(sopts.unstable_opts.ui_testing),
),
#[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,
driver_lint_caps: FxHashMap<lint::LintId, lint::Level>,
let warnings_allow = sopts
.lint_opts
.iter()
- .rfind(|&&(ref key, _)| *key == "warnings")
+ .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 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);
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);
target_tlib_path,
parse_sess,
sysroot,
- local_crate_source_file,
+ io,
crate_types: OnceCell::new(),
stable_crate_id: OnceCell::new(),
features: OnceCell::new(),
}
}
+ // 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.emit_warning(StackProtectorNotSupportedForTarget {
}
}
+ 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.emit_err(UnsupportedDwarfVersion { dwarf_version });
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)
}
projects / rustc.git / blobdiff