diff --git a/crates/hir-ty/src/diagnostics/expr.rs b/crates/hir-ty/src/diagnostics/expr.rs index 1a134e6d78..dfc0a25bf4 100644 --- a/crates/hir-ty/src/diagnostics/expr.rs +++ b/crates/hir-ty/src/diagnostics/expr.rs @@ -60,12 +60,17 @@ pub enum BodyValidationDiagnostic { } impl BodyValidationDiagnostic { - pub fn collect(db: &dyn HirDatabase, owner: DefWithBodyId) -> Vec { + pub fn collect( + db: &dyn HirDatabase, + owner: DefWithBodyId, + validate_lints: bool, + ) -> Vec { let _p = tracing::span!(tracing::Level::INFO, "BodyValidationDiagnostic::collect").entered(); let infer = db.infer(owner); let body = db.body(owner); - let mut validator = ExprValidator { owner, body, infer, diagnostics: Vec::new() }; + let mut validator = + ExprValidator { owner, body, infer, diagnostics: Vec::new(), validate_lints }; validator.validate_body(db); validator.diagnostics } @@ -76,6 +81,7 @@ struct ExprValidator { body: Arc, infer: Arc, diagnostics: Vec, + validate_lints: bool, } impl ExprValidator { @@ -139,6 +145,9 @@ impl ExprValidator { expr: &Expr, filter_map_next_checker: &mut Option, ) { + if !self.validate_lints { + return; + } // Check that the number of arguments matches the number of parameters. if self.infer.expr_type_mismatches().next().is_some() { @@ -308,6 +317,9 @@ impl ExprValidator { } fn check_for_trailing_return(&mut self, body_expr: ExprId, body: &Body) { + if !self.validate_lints { + return; + } match &body.exprs[body_expr] { Expr::Block { statements, tail, .. } => { let last_stmt = tail.or_else(|| match statements.last()? { @@ -340,6 +352,9 @@ impl ExprValidator { } fn check_for_unnecessary_else(&mut self, id: ExprId, expr: &Expr, db: &dyn HirDatabase) { + if !self.validate_lints { + return; + } if let Expr::If { condition: _, then_branch, else_branch } = expr { if else_branch.is_none() { return; diff --git a/crates/hir/src/lib.rs b/crates/hir/src/lib.rs index 1e16f78ca2..4872c47c31 100644 --- a/crates/hir/src/lib.rs +++ b/crates/hir/src/lib.rs @@ -365,7 +365,7 @@ impl ModuleDef { Some(name) } - pub fn diagnostics(self, db: &dyn HirDatabase) -> Vec { + pub fn diagnostics(self, db: &dyn HirDatabase, style_lints: bool) -> Vec { let id = match self { ModuleDef::Adt(it) => match it { Adt::Struct(it) => it.id.into(), @@ -387,7 +387,7 @@ impl ModuleDef { match self.as_def_with_body() { Some(def) => { - def.diagnostics(db, &mut acc); + def.diagnostics(db, &mut acc, style_lints); } None => { for diag in hir_ty::diagnostics::incorrect_case(db, id) { @@ -541,7 +541,12 @@ impl Module { } /// Fills `acc` with the module's diagnostics. - pub fn diagnostics(self, db: &dyn HirDatabase, acc: &mut Vec) { + pub fn diagnostics( + self, + db: &dyn HirDatabase, + acc: &mut Vec, + style_lints: bool, + ) { let name = self.name(db); let _p = tracing::span!(tracing::Level::INFO, "Module::diagnostics", ?name); let def_map = self.id.def_map(db.upcast()); @@ -558,9 +563,9 @@ impl Module { ModuleDef::Module(m) => { // Only add diagnostics from inline modules if def_map[m.id.local_id].origin.is_inline() { - m.diagnostics(db, acc) + m.diagnostics(db, acc, style_lints) } - acc.extend(def.diagnostics(db)) + acc.extend(def.diagnostics(db, style_lints)) } ModuleDef::Trait(t) => { for diag in db.trait_data_with_diagnostics(t.id).1.iter() { @@ -568,10 +573,10 @@ impl Module { } for item in t.items(db) { - item.diagnostics(db, acc); + item.diagnostics(db, acc, style_lints); } - acc.extend(def.diagnostics(db)) + acc.extend(def.diagnostics(db, style_lints)) } ModuleDef::Adt(adt) => { match adt { @@ -587,17 +592,17 @@ impl Module { } Adt::Enum(e) => { for v in e.variants(db) { - acc.extend(ModuleDef::Variant(v).diagnostics(db)); + acc.extend(ModuleDef::Variant(v).diagnostics(db, style_lints)); for diag in db.enum_variant_data_with_diagnostics(v.id).1.iter() { emit_def_diagnostic(db, acc, diag); } } } } - acc.extend(def.diagnostics(db)) + acc.extend(def.diagnostics(db, style_lints)) } ModuleDef::Macro(m) => emit_macro_def_diagnostics(db, acc, m), - _ => acc.extend(def.diagnostics(db)), + _ => acc.extend(def.diagnostics(db, style_lints)), } } self.legacy_macros(db).into_iter().for_each(|m| emit_macro_def_diagnostics(db, acc, m)); @@ -738,7 +743,7 @@ impl Module { } for &item in &db.impl_data(impl_def.id).items { - AssocItem::from(item).diagnostics(db, acc); + AssocItem::from(item).diagnostics(db, acc, style_lints); } } } @@ -1616,14 +1621,19 @@ impl DefWithBody { } } - pub fn diagnostics(self, db: &dyn HirDatabase, acc: &mut Vec) { + pub fn diagnostics( + self, + db: &dyn HirDatabase, + acc: &mut Vec, + style_lints: bool, + ) { db.unwind_if_cancelled(); let krate = self.module(db).id.krate(); let (body, source_map) = db.body_with_source_map(self.into()); for (_, def_map) in body.blocks(db.upcast()) { - Module { id: def_map.module_id(DefMap::ROOT) }.diagnostics(db, acc); + Module { id: def_map.module_id(DefMap::ROOT) }.diagnostics(db, acc, style_lints); } for diag in source_map.diagnostics() { @@ -1784,7 +1794,7 @@ impl DefWithBody { } } - for diagnostic in BodyValidationDiagnostic::collect(db, self.into()) { + for diagnostic in BodyValidationDiagnostic::collect(db, self.into(), style_lints) { acc.extend(AnyDiagnostic::body_validation_diagnostic(db, diagnostic, &source_map)); } @@ -2897,13 +2907,18 @@ impl AssocItem { } } - pub fn diagnostics(self, db: &dyn HirDatabase, acc: &mut Vec) { + pub fn diagnostics( + self, + db: &dyn HirDatabase, + acc: &mut Vec, + style_lints: bool, + ) { match self { AssocItem::Function(func) => { - DefWithBody::from(func).diagnostics(db, acc); + DefWithBody::from(func).diagnostics(db, acc, style_lints); } AssocItem::Const(const_) => { - DefWithBody::from(const_).diagnostics(db, acc); + DefWithBody::from(const_).diagnostics(db, acc, style_lints); } AssocItem::TypeAlias(type_alias) => { for diag in hir_ty::diagnostics::incorrect_case(db, type_alias.id.into()) { diff --git a/crates/ide-diagnostics/src/lib.rs b/crates/ide-diagnostics/src/lib.rs index 9a7e1a2ae6..0df6f0e037 100644 --- a/crates/ide-diagnostics/src/lib.rs +++ b/crates/ide-diagnostics/src/lib.rs @@ -227,6 +227,7 @@ pub struct DiagnosticsConfig { pub disable_experimental: bool, pub disabled: FxHashSet, pub expr_fill_default: ExprFillDefaultMode, + pub style_lints: bool, // FIXME: We may want to include a whole `AssistConfig` here pub insert_use: InsertUseConfig, pub prefer_no_std: bool, @@ -245,6 +246,7 @@ impl DiagnosticsConfig { disable_experimental: Default::default(), disabled: Default::default(), expr_fill_default: Default::default(), + style_lints: true, insert_use: InsertUseConfig { granularity: ImportGranularity::Preserve, enforce_granularity: false, @@ -324,7 +326,7 @@ pub fn diagnostics( let mut diags = Vec::new(); if let Some(m) = module { - m.diagnostics(db, &mut diags); + m.diagnostics(db, &mut diags, config.style_lints); } for diag in diags { diff --git a/crates/rust-analyzer/src/cli/analysis_stats.rs b/crates/rust-analyzer/src/cli/analysis_stats.rs index 7e027c9f92..ef184032bf 100644 --- a/crates/rust-analyzer/src/cli/analysis_stats.rs +++ b/crates/rust-analyzer/src/cli/analysis_stats.rs @@ -982,6 +982,7 @@ impl flags::AnalysisStats { }, prefer_no_std: false, prefer_prelude: true, + style_lints: false, }, ide::AssistResolveStrategy::All, file_id, diff --git a/crates/rust-analyzer/src/config.rs b/crates/rust-analyzer/src/config.rs index 21a106bc77..906b000829 100644 --- a/crates/rust-analyzer/src/config.rs +++ b/crates/rust-analyzer/src/config.rs @@ -311,6 +311,8 @@ config_data! { /// Map of prefixes to be substituted when parsing diagnostic file paths. /// This should be the reverse mapping of what is passed to `rustc` as `--remap-path-prefix`. diagnostics_remapPrefix: FxHashMap = "{}", + /// Whether to run additional style lints. + diagnostics_styleLints_enable: bool = "false", /// List of warnings that should be displayed with hint severity. /// /// The warnings will be indicated by faded text or three dots in code @@ -1162,6 +1164,7 @@ impl Config { insert_use: self.insert_use_config(), prefer_no_std: self.data.imports_preferNoStd, prefer_prelude: self.data.imports_preferPrelude, + style_lints: self.data.diagnostics_styleLints_enable, } } diff --git a/docs/user/generated_config.adoc b/docs/user/generated_config.adoc index 0fb275961b..5e782b7831 100644 --- a/docs/user/generated_config.adoc +++ b/docs/user/generated_config.adoc @@ -386,6 +386,11 @@ have more false positives than usual. Map of prefixes to be substituted when parsing diagnostic file paths. This should be the reverse mapping of what is passed to `rustc` as `--remap-path-prefix`. -- +[[rust-analyzer.diagnostics.styleLints.enable]]rust-analyzer.diagnostics.styleLints.enable (default: `false`):: ++ +-- +Whether to run additional style lints. +-- [[rust-analyzer.diagnostics.warningsAsHint]]rust-analyzer.diagnostics.warningsAsHint (default: `[]`):: + -- diff --git a/editors/code/package.json b/editors/code/package.json index 3a276409fb..16d3dcbab6 100644 --- a/editors/code/package.json +++ b/editors/code/package.json @@ -948,6 +948,11 @@ "default": {}, "type": "object" }, + "rust-analyzer.diagnostics.styleLints.enable": { + "markdownDescription": "Whether to run additional style lints.", + "default": false, + "type": "boolean" + }, "rust-analyzer.diagnostics.warningsAsHint": { "markdownDescription": "List of warnings that should be displayed with hint severity.\n\nThe warnings will be indicated by faded text or three dots in code\nand will not show up in the `Problems Panel`.", "default": [],