diff options
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/rustc_borrowck/src/lib.rs | 16 | ||||
| -rw-r--r-- | compiler/rustc_hir_analysis/src/check/mod.rs | 12 | ||||
| -rw-r--r-- | compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs | 45 | ||||
| -rw-r--r-- | compiler/rustc_metadata/src/rmeta/encoder.rs | 5 | ||||
| -rw-r--r-- | compiler/rustc_middle/src/ty/diagnostics.rs | 42 | ||||
| -rw-r--r-- | compiler/rustc_passes/src/dead.rs | 2 |
6 files changed, 53 insertions, 69 deletions
diff --git a/compiler/rustc_borrowck/src/lib.rs b/compiler/rustc_borrowck/src/lib.rs index 07b3f3477a8..ed95545dea4 100644 --- a/compiler/rustc_borrowck/src/lib.rs +++ b/compiler/rustc_borrowck/src/lib.rs @@ -2479,19 +2479,15 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, '_, 'tcx> { let body = self.body; for local in body.mut_vars_and_args_iter().filter(|local| !self.used_mut.contains(local)) { let local_decl = &body.local_decls[local]; - let lint_root = match &body.source_scopes[local_decl.source_info.scope].local_data { - ClearCrossCrate::Set(data) => data.lint_root, - _ => continue, + let ClearCrossCrate::Set(SourceScopeLocalData { lint_root, .. }) = + body.source_scopes[local_decl.source_info.scope].local_data + else { + continue; }; // Skip over locals that begin with an underscore or have no name - match self.local_names[local] { - Some(name) => { - if name.as_str().starts_with('_') { - continue; - } - } - None => continue, + if self.local_names[local].is_none_or(|name| name.as_str().starts_with('_')) { + continue; } let span = local_decl.source_info.span; diff --git a/compiler/rustc_hir_analysis/src/check/mod.rs b/compiler/rustc_hir_analysis/src/check/mod.rs index b4a16b2b805..d8ae4214527 100644 --- a/compiler/rustc_hir_analysis/src/check/mod.rs +++ b/compiler/rustc_hir_analysis/src/check/mod.rs @@ -153,10 +153,9 @@ pub(super) fn maybe_check_static_with_link_section(tcx: TyCtxt<'_>, id: LocalDef } // If `#[link_section]` is missing, then nothing to verify - let attrs = tcx.codegen_fn_attrs(id); - if attrs.link_section.is_none() { + let Some(link_section) = tcx.codegen_fn_attrs(id).link_section else { return; - } + }; // For the wasm32 target statics with `#[link_section]` other than `.init_array` // are placed into custom sections of the final output file, but this isn't like @@ -182,11 +181,8 @@ pub(super) fn maybe_check_static_with_link_section(tcx: TyCtxt<'_>, id: LocalDef // continue to work, but would no longer be necessary. if let Ok(alloc) = tcx.eval_static_initializer(id.to_def_id()) - && alloc.inner().provenance().ptrs().len() != 0 - && attrs - .link_section - .map(|link_section| !link_section.as_str().starts_with(".init_array")) - .unwrap() + && !alloc.inner().provenance().ptrs().is_empty() + && !link_section.as_str().starts_with(".init_array") { let msg = "statics with a custom `#[link_section]` must be a \ simple list of bytes on the wasm target with no \ diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs index f19e36206a7..afbb1adf654 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs @@ -1532,30 +1532,29 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if self.may_coerce(blk_ty, *elem_ty) && blk.stmts.is_empty() && blk.rules == hir::BlockCheckMode::DefaultBlock + && let source_map = self.tcx.sess.source_map() + && let Ok(snippet) = source_map.span_to_snippet(blk.span) + && snippet.starts_with('{') + && snippet.ends_with('}') { - let source_map = self.tcx.sess.source_map(); - if let Ok(snippet) = source_map.span_to_snippet(blk.span) { - if snippet.starts_with('{') && snippet.ends_with('}') { - diag.multipart_suggestion_verbose( - "to create an array, use square brackets instead of curly braces", - vec![ - ( - blk.span - .shrink_to_lo() - .with_hi(rustc_span::BytePos(blk.span.lo().0 + 1)), - "[".to_string(), - ), - ( - blk.span - .shrink_to_hi() - .with_lo(rustc_span::BytePos(blk.span.hi().0 - 1)), - "]".to_string(), - ), - ], - Applicability::MachineApplicable, - ); - } - } + diag.multipart_suggestion_verbose( + "to create an array, use square brackets instead of curly braces", + vec![ + ( + blk.span + .shrink_to_lo() + .with_hi(rustc_span::BytePos(blk.span.lo().0 + 1)), + "[".to_string(), + ), + ( + blk.span + .shrink_to_hi() + .with_lo(rustc_span::BytePos(blk.span.hi().0 - 1)), + "]".to_string(), + ), + ], + Applicability::MachineApplicable, + ); } } } diff --git a/compiler/rustc_metadata/src/rmeta/encoder.rs b/compiler/rustc_metadata/src/rmeta/encoder.rs index 2b9113242aa..212107edb4d 100644 --- a/compiler/rustc_metadata/src/rmeta/encoder.rs +++ b/compiler/rustc_metadata/src/rmeta/encoder.rs @@ -843,9 +843,8 @@ fn analyze_attr(attr: &impl AttributeExt, state: &mut AnalyzeAttrState<'_>) -> b } } } - } else if attr.path().starts_with(&[sym::diagnostic]) && attr.path().len() == 2 { - should_encode = - rustc_feature::is_stable_diagnostic_attribute(attr.path()[1], state.features); + } else if let &[sym::diagnostic, seg] = &*attr.path() { + should_encode = rustc_feature::is_stable_diagnostic_attribute(seg, state.features); } else { should_encode = true; } diff --git a/compiler/rustc_middle/src/ty/diagnostics.rs b/compiler/rustc_middle/src/ty/diagnostics.rs index 881381a5ee6..33b32be0de9 100644 --- a/compiler/rustc_middle/src/ty/diagnostics.rs +++ b/compiler/rustc_middle/src/ty/diagnostics.rs @@ -641,21 +641,19 @@ impl<'tcx> TypeVisitor<TyCtxt<'tcx>> for IsSuggestableVisitor<'tcx> { } } - Alias(Projection, AliasTy { def_id, .. }) => { - if self.tcx.def_kind(def_id) != DefKind::AssocTy { - return ControlFlow::Break(()); - } + Alias(Projection, AliasTy { def_id, .. }) + if self.tcx.def_kind(def_id) != DefKind::AssocTy => + { + return ControlFlow::Break(()); } - Param(param) => { - // FIXME: It would be nice to make this not use string manipulation, - // but it's pretty hard to do this, since `ty::ParamTy` is missing - // sufficient info to determine if it is synthetic, and we don't - // always have a convenient way of getting `ty::Generics` at the call - // sites we invoke `IsSuggestable::is_suggestable`. - if param.name.as_str().starts_with("impl ") { - return ControlFlow::Break(()); - } + // FIXME: It would be nice to make this not use string manipulation, + // but it's pretty hard to do this, since `ty::ParamTy` is missing + // sufficient info to determine if it is synthetic, and we don't + // always have a convenient way of getting `ty::Generics` at the call + // sites we invoke `IsSuggestable::is_suggestable`. + Param(param) if param.name.as_str().starts_with("impl ") => { + return ControlFlow::Break(()); } _ => {} @@ -733,17 +731,13 @@ impl<'tcx> FallibleTypeFolder<TyCtxt<'tcx>> for MakeSuggestableFolder<'tcx> { } } - Param(param) => { - // FIXME: It would be nice to make this not use string manipulation, - // but it's pretty hard to do this, since `ty::ParamTy` is missing - // sufficient info to determine if it is synthetic, and we don't - // always have a convenient way of getting `ty::Generics` at the call - // sites we invoke `IsSuggestable::is_suggestable`. - if param.name.as_str().starts_with("impl ") { - return Err(()); - } - - t + // FIXME: It would be nice to make this not use string manipulation, + // but it's pretty hard to do this, since `ty::ParamTy` is missing + // sufficient info to determine if it is synthetic, and we don't + // always have a convenient way of getting `ty::Generics` at the call + // sites we invoke `IsSuggestable::is_suggestable`. + Param(param) if param.name.as_str().starts_with("impl ") => { + return Err(()); } _ => t, diff --git a/compiler/rustc_passes/src/dead.rs b/compiler/rustc_passes/src/dead.rs index 7029c60c343..d036cb74a56 100644 --- a/compiler/rustc_passes/src/dead.rs +++ b/compiler/rustc_passes/src/dead.rs @@ -1132,7 +1132,7 @@ impl<'tcx> DeadVisitor<'tcx> { return; } dead_codes.sort_by_key(|v| v.level); - for group in dead_codes[..].chunk_by(|a, b| a.level == b.level) { + for group in dead_codes.chunk_by(|a, b| a.level == b.level) { self.lint_at_single_level(&group, participle, Some(def_id), report_on); } } |