Unnamed repository; edit this file 'description' to name the repository.
Use Symbol in Name
75 files changed, 756 insertions, 761 deletions
diff --git a/crates/hir-def/src/attr.rs b/crates/hir-def/src/attr.rs index 184dab8367..a1ffb8c0a7 100644 --- a/crates/hir-def/src/attr.rs +++ b/crates/hir-def/src/attr.rs @@ -9,6 +9,7 @@ use hir_expand::{ attrs::{collect_attrs, Attr, AttrId, RawAttrs}, HirFileId, InFile, }; +use intern::sym; use la_arena::{ArenaMap, Idx, RawIdx}; use mbe::DelimiterKind; use syntax::{ @@ -199,8 +200,8 @@ impl Attrs { .segments() .iter() .rev() - .zip(["core", "prelude", "v1", "test"].iter().rev()) - .all(|it| it.0.as_str() == Some(it.1)) + .zip([sym::core, sym::prelude, sym::v1, sym::test].iter().rev()) + .all(|it| it.0 == it.1) }) } @@ -568,6 +569,10 @@ impl<'attr> AttrQuery<'attr> { self.attrs().find_map(|attr| attr.string_value()) } + pub fn string_value_with_span(self) -> Option<(&'attr str, span::Span)> { + self.attrs().find_map(|attr| attr.string_value_with_span()) + } + pub fn string_value_unescape(self) -> Option<Cow<'attr, str>> { self.attrs().find_map(|attr| attr.string_value_unescape()) } diff --git a/crates/hir-def/src/body/lower.rs b/crates/hir-def/src/body/lower.rs index be7068c807..83ba8f4193 100644 --- a/crates/hir-def/src/body/lower.rs +++ b/crates/hir-def/src/body/lower.rs @@ -5,10 +5,10 @@ use std::mem; use base_db::CrateId; use hir_expand::{ - name::{name, AsName, Name}, + name::{AsName, Name}, ExpandError, InFile, }; -use intern::Interned; +use intern::{sym, Interned}; use rustc_hash::FxHashMap; use smallvec::SmallVec; use span::AstIdMap; @@ -187,8 +187,10 @@ impl ExprCollector<'_> { { let is_mutable = self_param.mut_token().is_some() && self_param.amp_token().is_none(); - let binding_id: la_arena::Idx<Binding> = - self.alloc_binding(name![self], BindingAnnotation::new(is_mutable, false)); + let binding_id: la_arena::Idx<Binding> = self.alloc_binding( + Name::new_symbol_root(sym::self_), + BindingAnnotation::new(is_mutable, false), + ); self.body.self_param = Some(binding_id); self.source_map.self_param = Some(self.expander.in_file(AstPtr::new(&self_param))); } @@ -1588,18 +1590,22 @@ impl ExprCollector<'_> { }); let mut mappings = vec![]; let fmt = match template.and_then(|it| self.expand_macros_to_string(it)) { - Some((s, is_direct_literal)) => format_args::parse( - &s, - fmt_snippet, - args, - is_direct_literal, - |name| self.alloc_expr_desugared(Expr::Path(Path::from(name))), - |name, span| { - if let Some(span) = span { - mappings.push((span, name)) - } - }, - ), + Some((s, is_direct_literal)) => { + let call_ctx = self.expander.syntax_context(); + format_args::parse( + &s, + fmt_snippet, + args, + is_direct_literal, + |name| self.alloc_expr_desugared(Expr::Path(Path::from(name))), + |name, span| { + if let Some(span) = span { + mappings.push((span, name)) + } + }, + call_ctx, + ) + } None => FormatArgs { template: Default::default(), arguments: args.finish(), @@ -1723,14 +1729,18 @@ impl ExprCollector<'_> { // unsafe { ::core::fmt::UnsafeArg::new() } // ) - let Some(new_v1_formatted) = - LangItem::FormatArguments.ty_rel_path(self.db, self.krate, name![new_v1_formatted]) - else { + let Some(new_v1_formatted) = LangItem::FormatArguments.ty_rel_path( + self.db, + self.krate, + Name::new_symbol_root(sym::new_v1_formatted), + ) else { return self.missing_expr(); }; - let Some(unsafe_arg_new) = - LangItem::FormatUnsafeArg.ty_rel_path(self.db, self.krate, name![new]) - else { + let Some(unsafe_arg_new) = LangItem::FormatUnsafeArg.ty_rel_path( + self.db, + self.krate, + Name::new_symbol_root(sym::new), + ) else { return self.missing_expr(); }; let new_v1_formatted = self.alloc_expr_desugared(Expr::Path(new_v1_formatted)); @@ -1812,10 +1822,10 @@ impl ExprCollector<'_> { self.db, self.krate, match alignment { - Some(FormatAlignment::Left) => name![Left], - Some(FormatAlignment::Right) => name![Right], - Some(FormatAlignment::Center) => name![Center], - None => name![Unknown], + Some(FormatAlignment::Left) => Name::new_symbol_root(sym::Left), + Some(FormatAlignment::Right) => Name::new_symbol_root(sym::Right), + Some(FormatAlignment::Center) => Name::new_symbol_root(sym::Center), + None => Name::new_symbol_root(sym::Unknown), }, ); match align { @@ -1838,8 +1848,11 @@ impl ExprCollector<'_> { let width = self.make_count(width, argmap); let format_placeholder_new = { - let format_placeholder_new = - LangItem::FormatPlaceholder.ty_rel_path(self.db, self.krate, name![new]); + let format_placeholder_new = LangItem::FormatPlaceholder.ty_rel_path( + self.db, + self.krate, + Name::new_symbol_root(sym::new), + ); match format_placeholder_new { Some(path) => self.alloc_expr_desugared(Expr::Path(path)), None => self.missing_expr(), @@ -1883,11 +1896,14 @@ impl ExprCollector<'_> { *n as u128, Some(BuiltinUint::Usize), ))); - let count_is = - match LangItem::FormatCount.ty_rel_path(self.db, self.krate, name![Is]) { - Some(count_is) => self.alloc_expr_desugared(Expr::Path(count_is)), - None => self.missing_expr(), - }; + let count_is = match LangItem::FormatCount.ty_rel_path( + self.db, + self.krate, + Name::new_symbol_root(sym::Is), + ) { + Some(count_is) => self.alloc_expr_desugared(Expr::Path(count_is)), + None => self.missing_expr(), + }; self.alloc_expr_desugared(Expr::Call { callee: count_is, args: Box::new([args]), @@ -1905,7 +1921,7 @@ impl ExprCollector<'_> { let count_param = match LangItem::FormatCount.ty_rel_path( self.db, self.krate, - name![Param], + Name::new_symbol_root(sym::Param), ) { Some(count_param) => self.alloc_expr_desugared(Expr::Path(count_param)), None => self.missing_expr(), @@ -1921,7 +1937,11 @@ impl ExprCollector<'_> { self.missing_expr() } } - None => match LangItem::FormatCount.ty_rel_path(self.db, self.krate, name![Implied]) { + None => match LangItem::FormatCount.ty_rel_path( + self.db, + self.krate, + Name::new_symbol_root(sym::Implied), + ) { Some(count_param) => self.alloc_expr_desugared(Expr::Path(count_param)), None => self.missing_expr(), }, @@ -1942,18 +1962,18 @@ impl ExprCollector<'_> { let new_fn = match LangItem::FormatArgument.ty_rel_path( self.db, self.krate, - match ty { - Format(Display) => name![new_display], - Format(Debug) => name![new_debug], - Format(LowerExp) => name![new_lower_exp], - Format(UpperExp) => name![new_upper_exp], - Format(Octal) => name![new_octal], - Format(Pointer) => name![new_pointer], - Format(Binary) => name![new_binary], - Format(LowerHex) => name![new_lower_hex], - Format(UpperHex) => name![new_upper_hex], - Usize => name![from_usize], - }, + Name::new_symbol_root(match ty { + Format(Display) => sym::new_display, + Format(Debug) => sym::new_debug, + Format(LowerExp) => sym::new_lower_exp, + Format(UpperExp) => sym::new_upper_exp, + Format(Octal) => sym::new_octal, + Format(Pointer) => sym::new_pointer, + Format(Binary) => sym::new_binary, + Format(LowerHex) => sym::new_lower_hex, + Format(UpperHex) => sym::new_upper_hex, + Usize => sym::from_usize, + }), ) { Some(new_fn) => self.alloc_expr_desugared(Expr::Path(new_fn)), None => self.missing_expr(), diff --git a/crates/hir-def/src/builtin_type.rs b/crates/hir-def/src/builtin_type.rs index f9e55559da..2243f514fe 100644 --- a/crates/hir-def/src/builtin_type.rs +++ b/crates/hir-def/src/builtin_type.rs @@ -5,7 +5,8 @@ use std::fmt; -use hir_expand::name::{name, AsName, Name}; +use hir_expand::name::{AsName, Name}; +use intern::sym; /// Different signed int types. #[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)] pub enum BuiltinInt { @@ -49,28 +50,28 @@ pub enum BuiltinType { impl BuiltinType { #[rustfmt::skip] pub const ALL: &'static [(Name, BuiltinType)] = &[ - (name![char], BuiltinType::Char), - (name![bool], BuiltinType::Bool), - (name![str], BuiltinType::Str), - - (name![isize], BuiltinType::Int(BuiltinInt::Isize)), - (name![i8], BuiltinType::Int(BuiltinInt::I8)), - (name![i16], BuiltinType::Int(BuiltinInt::I16)), - (name![i32], BuiltinType::Int(BuiltinInt::I32)), - (name![i64], BuiltinType::Int(BuiltinInt::I64)), - (name![i128], BuiltinType::Int(BuiltinInt::I128)), - - (name![usize], BuiltinType::Uint(BuiltinUint::Usize)), - (name![u8], BuiltinType::Uint(BuiltinUint::U8)), - (name![u16], BuiltinType::Uint(BuiltinUint::U16)), - (name![u32], BuiltinType::Uint(BuiltinUint::U32)), - (name![u64], BuiltinType::Uint(BuiltinUint::U64)), - (name![u128], BuiltinType::Uint(BuiltinUint::U128)), - - (name![f16], BuiltinType::Float(BuiltinFloat::F16)), - (name![f32], BuiltinType::Float(BuiltinFloat::F32)), - (name![f64], BuiltinType::Float(BuiltinFloat::F64)), - (name![f128], BuiltinType::Float(BuiltinFloat::F128)), + (Name::new_symbol_root(sym::char), BuiltinType::Char), + (Name::new_symbol_root(sym::bool), BuiltinType::Bool), + (Name::new_symbol_root(sym::str), BuiltinType::Str), + + (Name::new_symbol_root(sym::isize), BuiltinType::Int(BuiltinInt::Isize)), + (Name::new_symbol_root(sym::i8), BuiltinType::Int(BuiltinInt::I8)), + (Name::new_symbol_root(sym::i16), BuiltinType::Int(BuiltinInt::I16)), + (Name::new_symbol_root(sym::i32), BuiltinType::Int(BuiltinInt::I32)), + (Name::new_symbol_root(sym::i64), BuiltinType::Int(BuiltinInt::I64)), + (Name::new_symbol_root(sym::i128), BuiltinType::Int(BuiltinInt::I128)), + + (Name::new_symbol_root(sym::usize), BuiltinType::Uint(BuiltinUint::Usize)), + (Name::new_symbol_root(sym::u8), BuiltinType::Uint(BuiltinUint::U8)), + (Name::new_symbol_root(sym::u16), BuiltinType::Uint(BuiltinUint::U16)), + (Name::new_symbol_root(sym::u32), BuiltinType::Uint(BuiltinUint::U32)), + (Name::new_symbol_root(sym::u64), BuiltinType::Uint(BuiltinUint::U64)), + (Name::new_symbol_root(sym::u128), BuiltinType::Uint(BuiltinUint::U128)), + + (Name::new_symbol_root(sym::f16), BuiltinType::Float(BuiltinFloat::F16)), + (Name::new_symbol_root(sym::f32), BuiltinType::Float(BuiltinFloat::F32)), + (Name::new_symbol_root(sym::f64), BuiltinType::Float(BuiltinFloat::F64)), + (Name::new_symbol_root(sym::f128), BuiltinType::Float(BuiltinFloat::F128)), ]; pub fn by_name(name: &Name) -> Option<Self> { @@ -81,30 +82,30 @@ impl BuiltinType { impl AsName for BuiltinType { fn as_name(&self) -> Name { match self { - BuiltinType::Char => name![char], - BuiltinType::Bool => name![bool], - BuiltinType::Str => name![str], + BuiltinType::Char => Name::new_symbol_root(sym::char), + BuiltinType::Bool => Name::new_symbol_root(sym::bool), + BuiltinType::Str => Name::new_symbol_root(sym::str), BuiltinType::Int(it) => match it { - BuiltinInt::Isize => name![isize], - BuiltinInt::I8 => name![i8], - BuiltinInt::I16 => name![i16], - BuiltinInt::I32 => name![i32], - BuiltinInt::I64 => name![i64], - BuiltinInt::I128 => name![i128], + BuiltinInt::Isize => Name::new_symbol_root(sym::isize), + BuiltinInt::I8 => Name::new_symbol_root(sym::i8), + BuiltinInt::I16 => Name::new_symbol_root(sym::i16), + BuiltinInt::I32 => Name::new_symbol_root(sym::i32), + BuiltinInt::I64 => Name::new_symbol_root(sym::i64), + BuiltinInt::I128 => Name::new_symbol_root(sym::i128), }, BuiltinType::Uint(it) => match it { - BuiltinUint::Usize => name![usize], - BuiltinUint::U8 => name![u8], - BuiltinUint::U16 => name![u16], - BuiltinUint::U32 => name![u32], - BuiltinUint::U64 => name![u64], - BuiltinUint::U128 => name![u128], + BuiltinUint::Usize => Name::new_symbol_root(sym::usize), + BuiltinUint::U8 => Name::new_symbol_root(sym::u8), + BuiltinUint::U16 => Name::new_symbol_root(sym::u16), + BuiltinUint::U32 => Name::new_symbol_root(sym::u32), + BuiltinUint::U64 => Name::new_symbol_root(sym::u64), + BuiltinUint::U128 => Name::new_symbol_root(sym::u128), }, BuiltinType::Float(it) => match it { - BuiltinFloat::F16 => name![f16], - BuiltinFloat::F32 => name![f32], - BuiltinFloat::F64 => name![f64], - BuiltinFloat::F128 => name![f128], + BuiltinFloat::F16 => Name::new_symbol_root(sym::f16), + BuiltinFloat::F32 => Name::new_symbol_root(sym::f32), + BuiltinFloat::F64 => Name::new_symbol_root(sym::f64), + BuiltinFloat::F128 => Name::new_symbol_root(sym::f128), }, } } diff --git a/crates/hir-def/src/data.rs b/crates/hir-def/src/data.rs index 55043fdc4b..f60a433c4d 100644 --- a/crates/hir-def/src/data.rs +++ b/crates/hir-def/src/data.rs @@ -6,7 +6,7 @@ use base_db::CrateId; use hir_expand::{ name::Name, AstId, ExpandResult, HirFileId, InFile, MacroCallId, MacroCallKind, MacroDefKind, }; -use intern::Interned; +use intern::{sym, Interned}; use smallvec::SmallVec; use syntax::{ast, Parse}; use triomphe::Arc; @@ -485,7 +485,7 @@ impl ExternCrateDeclData { let name = extern_crate.name.clone(); let krate = loc.container.krate(); - let crate_id = if name == hir_expand::name![self] { + let crate_id = if name == sym::self_ { Some(krate) } else { db.crate_def_map(krate) diff --git a/crates/hir-def/src/db.rs b/crates/hir-def/src/db.rs index 0eb9e7d30b..0a14904f0b 100644 --- a/crates/hir-def/src/db.rs +++ b/crates/hir-def/src/db.rs @@ -2,7 +2,7 @@ use base_db::{salsa, CrateId, FileId, SourceDatabase, Upcast}; use either::Either; use hir_expand::{db::ExpandDatabase, HirFileId, MacroDefId}; -use intern::Interned; +use intern::{sym, Interned}; use la_arena::ArenaMap; use span::MacroCallId; use syntax::{ast, AstPtr}; @@ -261,9 +261,9 @@ fn crate_supports_no_std(db: &dyn DefDatabase, crate_id: CrateId) -> bool { let item_tree = db.file_item_tree(file.into()); let attrs = item_tree.raw_attrs(AttrOwner::TopLevel); for attr in &**attrs { - match attr.path().as_ident().and_then(|id| id.as_text()) { - Some(ident) if ident == "no_std" => return true, - Some(ident) if ident == "cfg_attr" => {} + match attr.path().as_ident() { + Some(ident) if *ident == sym::no_std => return true, + Some(ident) if *ident == sym::cfg_attr => {} _ => continue, } diff --git a/crates/hir-def/src/expander.rs b/crates/hir-def/src/expander.rs index dbf8e6b225..d1640ad7e5 100644 --- a/crates/hir-def/src/expander.rs +++ b/crates/hir-def/src/expander.rs @@ -10,6 +10,7 @@ use hir_expand::{ InFile, MacroCallId, }; use limit::Limit; +use span::SyntaxContextId; use syntax::{ast, Parse}; use triomphe::Arc; @@ -52,6 +53,11 @@ impl Expander { self.module.krate } + pub fn syntax_context(&self) -> SyntaxContextId { + // FIXME: + SyntaxContextId::ROOT + } + pub fn enter_expand<T: ast::AstNode>( &mut self, db: &dyn DefDatabase, diff --git a/crates/hir-def/src/find_path.rs b/crates/hir-def/src/find_path.rs index 9a3c049541..e32add93c5 100644 --- a/crates/hir-def/src/find_path.rs +++ b/crates/hir-def/src/find_path.rs @@ -3,9 +3,10 @@ use std::{cell::Cell, cmp::Ordering, iter}; use hir_expand::{ - name::{known, AsName, Name}, + name::{AsName, Name}, Lookup, }; +use intern::{sym, Symbol}; use rustc_hash::FxHashSet; use crate::{ @@ -414,13 +415,13 @@ fn select_best_path( (Unstable, Stable) => return new_path, _ => {} } - const STD_CRATES: [Name; 3] = [known::std, known::core, known::alloc]; + const STD_CRATES: [Symbol; 3] = [sym::std, sym::core, sym::alloc]; let choose = |new: (ModPath, _), old: (ModPath, _)| { let (new_path, _) = &new; let (old_path, _) = &old; - let new_has_prelude = new_path.segments().iter().any(|seg| seg == &known::prelude); - let old_has_prelude = old_path.segments().iter().any(|seg| seg == &known::prelude); + let new_has_prelude = new_path.segments().iter().any(|seg| *seg == sym::prelude); + let old_has_prelude = old_path.segments().iter().any(|seg| *seg == sym::prelude); match (new_has_prelude, old_has_prelude, cfg.prefer_prelude) { (true, false, true) | (false, true, false) => new, (true, false, false) | (false, true, true) => old, @@ -441,18 +442,20 @@ fn select_best_path( }; match (old_path.0.segments().first(), new_path.0.segments().first()) { - (Some(old), Some(new)) if STD_CRATES.contains(old) && STD_CRATES.contains(new) => { + (Some(old), Some(new)) + if STD_CRATES.contains(old.symbol()) && STD_CRATES.contains(new.symbol()) => + { let rank = match cfg.prefer_no_std { false => |name: &Name| match name { - name if name == &known::core => 0, - name if name == &known::alloc => 1, - name if name == &known::std => 2, + name if *name == sym::core => 0, + name if *name == sym::alloc => 1, + name if *name == sym::std => 2, _ => unreachable!(), }, true => |name: &Name| match name { - name if name == &known::core => 2, - name if name == &known::alloc => 1, - name if name == &known::std => 0, + name if *name == sym::core => 2, + name if *name == sym::alloc => 1, + name if *name == sym::std => 0, _ => unreachable!(), }, }; diff --git a/crates/hir-def/src/hir/format_args.rs b/crates/hir-def/src/hir/format_args.rs index de0fa982c8..d6dd5df373 100644 --- a/crates/hir-def/src/hir/format_args.rs +++ b/crates/hir-def/src/hir/format_args.rs @@ -3,10 +3,11 @@ use std::mem; use hir_expand::name::Name; use rustc_parse_format as parse; +use span::SyntaxContextId; use stdx::TupleExt; use syntax::{ ast::{self, IsString}, - SmolStr, TextRange, TextSize, + TextRange, TextSize, }; use crate::hir::ExprId; @@ -174,6 +175,7 @@ pub(crate) fn parse( is_direct_literal: bool, mut synth: impl FnMut(Name) -> ExprId, mut record_usage: impl FnMut(Name, Option<TextRange>), + call_ctx: SyntaxContextId, ) -> FormatArgs { let Ok(text) = s.value() else { return FormatArgs { @@ -248,7 +250,7 @@ pub(crate) fn parse( } } ArgRef::Name(name, span) => { - let name = Name::new_text_dont_use(SmolStr::new(name)); + let name = Name::new(name, call_ctx); if let Some((index, _)) = args.by_name(&name) { record_usage(name, span); // Name found in `args`, so we resolve it to its index. diff --git a/crates/hir-def/src/item_tree/lower.rs b/crates/hir-def/src/item_tree/lower.rs index 199b8daa37..496686b4f9 100644 --- a/crates/hir-def/src/item_tree/lower.rs +++ b/crates/hir-def/src/item_tree/lower.rs @@ -2,7 +2,8 @@ use std::collections::hash_map::Entry; -use hir_expand::{mod_path::path, name, name::AsName, span_map::SpanMapRef, HirFileId}; +use hir_expand::{mod_path::path, name::AsName, span_map::SpanMapRef, HirFileId}; +use intern::sym; use la_arena::Arena; use rustc_hash::FxHashMap; use span::{AstIdMap, SyntaxContextId}; @@ -323,7 +324,7 @@ impl<'a> Ctx<'a> { let self_type = match self_param.ty() { Some(type_ref) => TypeRef::from_ast(&self.body_ctx, type_ref), None => { - let self_type = TypeRef::Path(name![Self].into()); + let self_type = TypeRef::Path(Name::new_symbol_root(sym::Self_).into()); match self_param.kind() { ast::SelfParamKind::Owned => self_type, ast::SelfParamKind::Ref => TypeRef::Reference( @@ -669,7 +670,7 @@ impl<'a> Ctx<'a> { // Traits and trait aliases get the Self type as an implicit first type parameter. generics.type_or_consts.alloc( TypeParamData { - name: Some(name![Self]), + name: Some(Name::new_symbol_root(sym::Self_)), default: None, provenance: TypeParamProvenance::TraitSelf, } @@ -680,7 +681,7 @@ impl<'a> Ctx<'a> { generics.fill_bounds( &self.body_ctx, bounds, - Either::Left(TypeRef::Path(name![Self].into())), + Either::Left(TypeRef::Path(Name::new_symbol_root(sym::Self_).into())), ); } @@ -745,7 +746,7 @@ fn desugar_future_path(orig: TypeRef) -> Path { let mut generic_args: Vec<_> = std::iter::repeat(None).take(path.segments().len() - 1).collect(); let binding = AssociatedTypeBinding { - name: name![Output], + name: Name::new_symbol_root(sym::Output), args: None, type_ref: Some(orig), bounds: Box::default(), diff --git a/crates/hir-def/src/lang_item.rs b/crates/hir-def/src/lang_item.rs index 6d7836d5ae..4d17650285 100644 --- a/crates/hir-def/src/lang_item.rs +++ b/crates/hir-def/src/lang_item.rs @@ -3,6 +3,7 @@ //! This attribute to tell the compiler about semi built-in std library //! features, such as Fn family of traits. use hir_expand::name::Name; +use intern::{sym, Symbol}; use rustc_hash::FxHashMap; use syntax::SmolStr; use triomphe::Arc; @@ -267,6 +268,14 @@ macro_rules! language_item_table { _ => None, } } + + /// Opposite of [`LangItem::name`] + pub fn from_symbol(sym: Symbol) -> Option<Self> { + match sym { + $(sym if sym == $module::$name => Some(LangItem::$variant), )* + _ => None, + } + } } } } @@ -274,7 +283,7 @@ macro_rules! language_item_table { impl LangItem { /// Opposite of [`LangItem::name`] pub fn from_name(name: &hir_expand::name::Name) -> Option<Self> { - Self::from_str(name.as_str()?) + Self::from_str(name.as_str()) } pub fn path(&self, db: &dyn DefDatabase, start_crate: CrateId) -> Option<Path> { @@ -360,7 +369,7 @@ language_item_table! { DerefTarget, sym::deref_target, deref_target, Target::AssocTy, GenericRequirement::None; Receiver, sym::receiver, receiver_trait, Target::Trait, GenericRequirement::None; - Fn, kw::fn, fn_trait, Target::Trait, GenericRequirement::Exact(1); + Fn, sym::fn_, fn_trait, Target::Trait, GenericRequirement::Exact(1); FnMut, sym::fn_mut, fn_mut_trait, Target::Trait, GenericRequirement::Exact(1); FnOnce, sym::fn_once, fn_once_trait, Target::Trait, GenericRequirement::Exact(1); diff --git a/crates/hir-def/src/lib.rs b/crates/hir-def/src/lib.rs index fc026a14d4..a33e681cb5 100644 --- a/crates/hir-def/src/lib.rs +++ b/crates/hir-def/src/lib.rs @@ -862,7 +862,7 @@ impl GeneralConstId { .const_data(const_id) .name .as_ref() - .and_then(|it| it.as_str()) + .map(|it| it.as_str()) .unwrap_or("_") .to_owned(), GeneralConstId::ConstBlockId(id) => format!("{{anonymous const {id:?}}}"), diff --git a/crates/hir-def/src/nameres/collector.rs b/crates/hir-def/src/nameres/collector.rs index b5045efb62..30d4a79a80 100644 --- a/crates/hir-def/src/nameres/collector.rs +++ b/crates/hir-def/src/nameres/collector.rs @@ -13,11 +13,11 @@ use hir_expand::{ builtin_attr_macro::find_builtin_attr, builtin_derive_macro::find_builtin_derive, builtin_fn_macro::find_builtin_macro, - name::{name, AsName, Name}, + name::{AsName, Name}, proc_macro::CustomProcMacroExpander, ExpandTo, HirFileId, InFile, MacroCallId, MacroCallKind, MacroDefId, MacroDefKind, }; -use intern::Interned; +use intern::{sym, Interned}; use itertools::{izip, Itertools}; use la_arena::Idx; use limit::Limit; @@ -76,25 +76,28 @@ pub(super) fn collect_defs(db: &dyn DefDatabase, def_map: DefMap, tree_id: TreeI let proc_macros = if krate.is_proc_macro { match db.proc_macros().get(&def_map.krate) { - Some(Ok(proc_macros)) => Ok(proc_macros - .iter() - .enumerate() - .map(|(idx, it)| { - let name = Name::new_text_dont_use(it.name.clone()); - ( - name, - if !db.expand_proc_attr_macros() { - CustomProcMacroExpander::dummy() - } else if it.disabled { - CustomProcMacroExpander::disabled() - } else { - CustomProcMacroExpander::new(hir_expand::proc_macro::ProcMacroId::new( - idx as u32, - )) - }, - ) - }) - .collect()), + Some(Ok(proc_macros)) => Ok({ + let ctx = db.syntax_context(tree_id.file_id()); + proc_macros + .iter() + .enumerate() + .map(|(idx, it)| { + let name = Name::new(&it.name, ctx); + ( + name, + if !db.expand_proc_attr_macros() { + CustomProcMacroExpander::dummy() + } else if it.disabled { + CustomProcMacroExpander::disabled() + } else { + CustomProcMacroExpander::new( + hir_expand::proc_macro::ProcMacroId::new(idx as u32), + ) + }, + ) + }) + .collect() + }), Some(Err(e)) => Err(e.clone().into_boxed_str()), None => Err("No proc-macros present for crate".to_owned().into_boxed_str()), } @@ -291,24 +294,24 @@ impl DefCollector<'_> { let Some(attr_name) = attr.path.as_ident() else { continue }; match () { - () if *attr_name == hir_expand::name![recursion_limit] => { + () if *attr_name == sym::recursion_limit => { if let Some(limit) = attr.string_value() { if let Ok(limit) = limit.parse() { crate_data.recursion_limit = Some(limit); } } } - () if *attr_name == hir_expand::name![crate_type] => { + () if *attr_name == sym::crate_type => { if let Some("proc-macro") = attr.string_value() { self.is_proc_macro = true; } } - () if *attr_name == hir_expand::name![no_core] => crate_data.no_core = true, - () if *attr_name == hir_expand::name![no_std] => crate_data.no_std = true, - () if attr_name.as_text().as_deref() == Some("rustc_coherence_is_core") => { + () if *attr_name == sym::no_core => crate_data.no_core = true, + () if *attr_name == sym::no_std => crate_data.no_std = true, + () if *attr_name == sym::rustc_coherence_is_core => { crate_data.rustc_coherence_is_core = true; } - () if *attr_name == hir_expand::name![feature] => { + () if *attr_name == sym::feature => { let features = attr .parse_path_comma_token_tree(self.db.upcast()) .into_iter() @@ -319,13 +322,13 @@ impl DefCollector<'_> { }); crate_data.unstable_features.extend(features); } - () if *attr_name == hir_expand::name![register_attr] => { + () if *attr_name == sym::register_attr => { if let Some(ident) = attr.single_ident_value() { crate_data.registered_attrs.push(ident.text.clone()); cov_mark::hit!(register_attr); } } - () if *attr_name == hir_expand::name![register_tool] => { + () if *attr_name == sym::register_tool => { if let Some(ident) = attr.single_ident_value() { crate_data.registered_tools.push(ident.text.clone()); cov_mark::hit!(register_tool); @@ -535,27 +538,30 @@ impl DefCollector<'_> { } let krate = if self.def_map.data.no_std { - name![core] - } else if self.def_map.extern_prelude().any(|(name, _)| *name == name![std]) { - name![std] + Name::new_symbol_root(sym::core) + } else if self.def_map.extern_prelude().any(|(name, _)| *name == sym::std) { + Name::new_symbol_root(sym::std) } else { // If `std` does not exist for some reason, fall back to core. This mostly helps // keep r-a's own tests minimal. - name![core] + Name::new_symbol_root(sym::core) }; let edition = match self.def_map.data.edition { - Edition::Edition2015 => name![rust_2015], - Edition::Edition2018 => name![rust_2018], - Edition::Edition2021 => name![rust_2021], - Edition::Edition2024 => name![rust_2024], + Edition::Edition2015 => Name::new_symbol_root(sym::rust_2015), + Edition::Edition2018 => Name::new_symbol_root(sym::rust_2018), + Edition::Edition2021 => Name::new_symbol_root(sym::rust_2021), + Edition::Edition2024 => Name::new_symbol_root(sym::rust_2024), }; let path_kind = match self.def_map.data.edition { Edition::Edition2015 => PathKind::Plain, _ => PathKind::Abs, }; - let path = ModPath::from_segments(path_kind, [krate, name![prelude], edition]); + let path = ModPath::from_segments( + path_kind, + [krate, Name::new_symbol_root(sym::prelude), edition], + ); let (per_ns, _) = self.def_map.resolve_path(self.db, DefMap::ROOT, &path, BuiltinShadowMode::Other, None); @@ -838,7 +844,7 @@ impl DefCollector<'_> { } fn resolve_extern_crate(&self, name: &Name) -> Option<CrateRootModuleId> { - if *name == name![self] { + if *name == sym::self_ { cov_mark::hit!(extern_crate_self_as); Some(self.def_map.crate_root()) } else { @@ -2136,9 +2142,9 @@ impl ModCollector<'_, '_> { let expander = if attrs.by_key("rustc_builtin_macro").exists() { // `#[rustc_builtin_macro = "builtin_name"]` overrides the `macro_rules!` name. let name; - let name = match attrs.by_key("rustc_builtin_macro").string_value() { - Some(it) => { - name = Name::new_text_dont_use(it.into()); + let name = match attrs.by_key("rustc_builtin_macro").string_value_with_span() { + Some((it, span)) => { + name = Name::new(it, span.ctx); &name } None => { diff --git a/crates/hir-def/src/path/lower.rs b/crates/hir-def/src/path/lower.rs index cee9e05545..22397df961 100644 --- a/crates/hir-def/src/path/lower.rs +++ b/crates/hir-def/src/path/lower.rs @@ -6,9 +6,9 @@ use crate::{lower::LowerCtx, type_ref::ConstRef}; use hir_expand::{ mod_path::resolve_crate_root, - name::{name, AsName}, + name::{AsName, Name}, }; -use intern::Interned; +use intern::{sym, Interned}; use syntax::ast::{self, AstNode, HasGenericArgs, HasTypeBounds}; use crate::{ @@ -60,7 +60,7 @@ pub(super) fn lower_path(ctx: &LowerCtx<'_>, mut path: ast::Path) -> Option<Path segments.push(name); } ast::PathSegmentKind::SelfTypeKw => { - segments.push(name![Self]); + segments.push(Name::new_symbol_root(sym::Self_)); } ast::PathSegmentKind::Type { type_ref, trait_ref } => { assert!(path.qualifier().is_none()); // this can only occur at the first segment @@ -268,7 +268,7 @@ fn lower_generic_args_from_fn_path( let bindings = if let Some(ret_type) = ret_type { let type_ref = TypeRef::from_ast_opt(ctx, ret_type.ty()); Box::new([AssociatedTypeBinding { - name: name![Output], + name: Name::new_symbol_root(sym::Output), args: None, type_ref: Some(type_ref), bounds: Box::default(), @@ -277,7 +277,7 @@ fn lower_generic_args_from_fn_path( // -> () let type_ref = TypeRef::Tuple(Vec::new()); Box::new([AssociatedTypeBinding { - name: name![Output], + name: Name::new_symbol_root(sym::Output), args: None, type_ref: Some(type_ref), bounds: Box::default(), diff --git a/crates/hir-def/src/resolver.rs b/crates/hir-def/src/resolver.rs index e5c1f93bbd..4931418546 100644 --- a/crates/hir-def/src/resolver.rs +++ b/crates/hir-def/src/resolver.rs @@ -2,11 +2,8 @@ use std::{fmt, iter, mem}; use base_db::CrateId; -use hir_expand::{ - name::{name, Name}, - MacroDefId, -}; -use intern::Interned; +use hir_expand::{name::Name, MacroDefId}; +use intern::{sym, Interned}; use rustc_hash::FxHashSet; use smallvec::{smallvec, SmallVec}; use triomphe::Arc; @@ -197,12 +194,12 @@ impl Resolver { } } &Scope::ImplDefScope(impl_) => { - if first_name == &name![Self] { + if *first_name == sym::Self_ { return Some((TypeNs::SelfType(impl_), remaining_idx(), None)); } } &Scope::AdtScope(adt) => { - if first_name == &name![Self] { + if *first_name == sym::Self_ { return Some((TypeNs::AdtSelfType(adt), remaining_idx(), None)); } } @@ -294,7 +291,7 @@ impl Resolver { } }; let n_segments = path.segments().len(); - let tmp = name![self]; + let tmp = Name::new_symbol_root(sym::Self_); let first_name = if path.is_self() { &tmp } else { path.segments().first()? }; let skip_to_mod = path.kind != PathKind::Plain && !path.is_self(); if skip_to_mod { @@ -325,7 +322,7 @@ impl Resolver { } } &Scope::ImplDefScope(impl_) => { - if first_name == &name![Self] { + if *first_name == sym::Self_ { return Some(ResolveValueResult::ValueNs( ValueNs::ImplSelf(impl_), None, @@ -352,7 +349,7 @@ impl Resolver { } } &Scope::ImplDefScope(impl_) => { - if first_name == &name![Self] { + if *first_name == sym::Self_ { return Some(ResolveValueResult::Partial( TypeNs::SelfType(impl_), 1, @@ -361,7 +358,7 @@ impl Resolver { } } Scope::AdtScope(adt) => { - if first_name == &name![Self] { + if *first_name == sym::Self_ { let ty = TypeNs::AdtSelfType(*adt); return Some(ResolveValueResult::Partial(ty, 1, None)); } @@ -425,7 +422,7 @@ impl Resolver { } pub fn resolve_lifetime(&self, lifetime: &LifetimeRef) -> Option<LifetimeNs> { - if lifetime.name == name::known::STATIC_LIFETIME { + if lifetime.name == sym::tick_static { return Some(LifetimeNs::Static); } @@ -781,10 +778,10 @@ impl Scope { } } Scope::ImplDefScope(i) => { - acc.add(&name![Self], ScopeDef::ImplSelfType(*i)); + acc.add(&Name::new_symbol_root(sym::Self_), ScopeDef::ImplSelfType(*i)); } Scope::AdtScope(i) => { - acc.add(&name![Self], ScopeDef::AdtSelfType(*i)); + acc.add(&Name::new_symbol_root(sym::Self_), ScopeDef::AdtSelfType(*i)); } Scope::ExprScope(scope) => { if let Some((label, name)) = scope.expr_scopes.label(scope.scope_id) { diff --git a/crates/hir-expand/src/attrs.rs b/crates/hir-expand/src/attrs.rs index db0feb055e..6afa7a40f1 100644 --- a/crates/hir-expand/src/attrs.rs +++ b/crates/hir-expand/src/attrs.rs @@ -4,7 +4,7 @@ use std::{borrow::Cow, fmt, ops}; use base_db::CrateId; use cfg::CfgExpr; use either::Either; -use intern::Interned; +use intern::{sym, Interned}; use mbe::{syntax_node_to_token_tree, DelimiterKind, DocCommentDesugarMode, Punct}; use smallvec::{smallvec, SmallVec}; use span::{Span, SyntaxContextId}; @@ -12,6 +12,7 @@ use syntax::unescape; use syntax::{ast, format_smolstr, match_ast, AstNode, AstToken, SmolStr, SyntaxNode}; use triomphe::ThinArc; +use crate::name::Name; use crate::{ db::ExpandDatabase, mod_path::ModPath, @@ -58,7 +59,7 @@ impl RawAttrs { text: SmolStr::new(format_smolstr!("\"{}\"", Self::escape_chars(doc))), span, }))), - path: Interned::new(ModPath::from(crate::name!(doc))), + path: Interned::new(ModPath::from(Name::new_symbol(sym::doc, span.ctx))), ctxt: span.ctx, } }), @@ -115,47 +116,47 @@ impl RawAttrs { pub fn filter(self, db: &dyn ExpandDatabase, krate: CrateId) -> RawAttrs { let has_cfg_attrs = self .iter() - .any(|attr| attr.path.as_ident().map_or(false, |name| *name == crate::name![cfg_attr])); + .any(|attr| attr.path.as_ident().map_or(false, |name| *name == sym::cfg_attr)); if !has_cfg_attrs { return self; } let crate_graph = db.crate_graph(); - let new_attrs = - self.iter() - .flat_map(|attr| -> SmallVec<[_; 1]> { - let is_cfg_attr = - attr.path.as_ident().map_or(false, |name| *name == crate::name![cfg_attr]); - if !is_cfg_attr { - return smallvec![attr.clone()]; - } + let new_attrs = self + .iter() + .flat_map(|attr| -> SmallVec<[_; 1]> { + let is_cfg_attr = attr.path.as_ident().map_or(false, |name| *name == sym::cfg_attr); + if !is_cfg_attr { + return smallvec![attr.clone()]; + } - let subtree = match attr.token_tree_value() { - Some(it) => it, - _ => return smallvec![attr.clone()], - }; - - let (cfg, parts) = match parse_cfg_attr_input(subtree) { - Some(it) => it, - None => return smallvec![attr.clone()], - }; - let index = attr.id; - let attrs = parts.enumerate().take(1 << AttrId::CFG_ATTR_BITS).filter_map( - |(idx, attr)| Attr::from_tt(db, attr, index.with_cfg_attr(idx)), - ); - - let cfg_options = &crate_graph[krate].cfg_options; - let cfg = Subtree { delimiter: subtree.delimiter, token_trees: Box::from(cfg) }; - let cfg = CfgExpr::parse(&cfg); - if cfg_options.check(&cfg) == Some(false) { - smallvec![] - } else { - cov_mark::hit!(cfg_attr_active); - - attrs.collect() - } - }) - .collect::<Vec<_>>(); + let subtree = match attr.token_tree_value() { + Some(it) => it, + _ => return smallvec![attr.clone()], + }; + + let (cfg, parts) = match parse_cfg_attr_input(subtree) { + Some(it) => it, + None => return smallvec![attr.clone()], + }; + let index = attr.id; + let attrs = parts + .enumerate() + .take(1 << AttrId::CFG_ATTR_BITS) + .filter_map(|(idx, attr)| Attr::from_tt(db, attr, index.with_cfg_attr(idx))); + + let cfg_options = &crate_graph[krate].cfg_options; + let cfg = Subtree { delimiter: subtree.delimiter, token_trees: Box::from(cfg) }; + let cfg = CfgExpr::parse(&cfg); + if cfg_options.check(&cfg) == Some(false) { + smallvec![] + } else { + cov_mark::hit!(cfg_attr_active); + + attrs.collect() + } + }) + .collect::<Vec<_>>(); let entries = if new_attrs.is_empty() { None } else { @@ -316,6 +317,20 @@ impl Attr { } } + /// #[path = "string"] + pub fn string_value_with_span(&self) -> Option<(&str, span::Span)> { + match self.input.as_deref()? { + AttrInput::Literal(it) => match it.text.strip_prefix('r') { + Some(it) => it.trim_matches('#'), + None => it.text.as_str(), + } + .strip_prefix('"')? + .strip_suffix('"') + .zip(Some(it.span)), + _ => None, + } + } + pub fn string_value_unescape(&self) -> Option<Cow<'_, str>> { match self.input.as_deref()? { AttrInput::Literal(it) => match it.text.strip_prefix('r') { @@ -369,7 +384,7 @@ impl Attr { } pub fn cfg(&self) -> Option<CfgExpr> { - if *self.path.as_ident()? == crate::name![cfg] { + if *self.path.as_ident()? == sym::cfg { self.token_tree_value().map(CfgExpr::parse) } else { None diff --git a/crates/hir-expand/src/builtin_attr_macro.rs b/crates/hir-expand/src/builtin_attr_macro.rs index 2e115f4793..b9afc666f7 100644 --- a/crates/hir-expand/src/builtin_attr_macro.rs +++ b/crates/hir-expand/src/builtin_attr_macro.rs @@ -1,4 +1,5 @@ //! Builtin attributes. +use intern::sym; use span::{MacroCallId, Span}; use crate::{db::ExpandDatabase, name, tt, ExpandResult, MacroCallKind}; @@ -19,7 +20,7 @@ macro_rules! register_builtin { fn find_by_name(name: &name::Name) -> Option<Self> { match name { - $( id if id == &name::name![$name] => Some(BuiltinAttrExpander::$variant), )* + $( id if id == &sym::$name => Some(BuiltinAttrExpander::$variant), )* _ => None, } } diff --git a/crates/hir-expand/src/builtin_derive_macro.rs b/crates/hir-expand/src/builtin_derive_macro.rs index c7cdc5e922..269e9f308c 100644 --- a/crates/hir-expand/src/builtin_derive_macro.rs +++ b/crates/hir-expand/src/builtin_derive_macro.rs @@ -1,5 +1,6 @@ //! Builtin derives. +use intern::sym; use itertools::izip; use mbe::DocCommentDesugarMode; use rustc_hash::FxHashSet; @@ -36,7 +37,7 @@ macro_rules! register_builtin { fn find_by_name(name: &name::Name) -> Option<Self> { match name { - $( id if id == &name::name![$trait] => Some(BuiltinDeriveExpander::$trait), )* + $( id if id == &sym::$trait => Some(BuiltinDeriveExpander::$trait), )* _ => None, } } diff --git a/crates/hir-expand/src/builtin_fn_macro.rs b/crates/hir-expand/src/builtin_fn_macro.rs index 02fd431e4e..e5de5975a2 100644 --- a/crates/hir-expand/src/builtin_fn_macro.rs +++ b/crates/hir-expand/src/builtin_fn_macro.rs @@ -3,6 +3,7 @@ use base_db::{AnchoredPath, FileId}; use cfg::CfgExpr; use either::Either; +use intern::sym; use itertools::Itertools; use mbe::{parse_exprs_with_sep, parse_to_token_tree}; use span::{Edition, Span, SpanAnchor, SyntaxContextId, ROOT_ERASED_FILE_AST_ID}; @@ -11,8 +12,7 @@ use syntax::ast::{self, AstToken}; use crate::{ db::ExpandDatabase, hygiene::{span_with_call_site_ctxt, span_with_def_site_ctxt}, - name::{self, known}, - quote, + name, quote, quote::dollar_crate, tt::{self, DelimSpan}, ExpandError, ExpandResult, HirFileIdExt, MacroCallId, MacroFileIdExt, @@ -48,8 +48,8 @@ macro_rules! register_builtin { fn find_by_name(ident: &name::Name) -> Option<Either<BuiltinFnLikeExpander, EagerExpander>> { match ident { - $( id if id == &name::name![$name] => Some(Either::Left(BuiltinFnLikeExpander::$kind)), )* - $( id if id == &name::name![$e_name] => Some(Either::Right(EagerExpander::$e_kind)), )* + $( id if id == &sym::$name => Some(Either::Left(BuiltinFnLikeExpander::$kind)), )* + $( id if id == &sym::$e_name => Some(Either::Right(EagerExpander::$e_kind)), )* _ => return None, } } @@ -367,8 +367,7 @@ fn panic_expand( let dollar_crate = dollar_crate(span); let call_site_span = span_with_call_site_ctxt(db, span, id); - let mac = - if use_panic_2021(db, call_site_span) { known::panic_2021 } else { known::panic_2015 }; + let mac = if use_panic_2021(db, call_site_span) { sym::panic_2021 } else { sym::panic_2015 }; // Expand to a macro call `$crate::panic::panic_{edition}` let mut call = quote!(call_site_span =>#dollar_crate::panic::#mac!); @@ -397,9 +396,9 @@ fn unreachable_expand( let call_site_span = span_with_call_site_ctxt(db, span, id); let mac = if use_panic_2021(db, call_site_span) { - known::unreachable_2021 + sym::unreachable_2021 } else { - known::unreachable_2015 + sym::unreachable_2015 }; // Expand to a macro call `$crate::panic::panic_{edition}` diff --git a/crates/hir-expand/src/db.rs b/crates/hir-expand/src/db.rs index ad25a1168c..e1fb3953f4 100644 --- a/crates/hir-expand/src/db.rs +++ b/crates/hir-expand/src/db.rs @@ -133,6 +133,15 @@ pub trait ExpandDatabase: SourceDatabase { &self, macro_call: MacroCallId, ) -> Option<Arc<ExpandResult<Arc<[SyntaxError]>>>>; + #[salsa::transparent] + fn syntax_context(&self, file: HirFileId) -> SyntaxContextId; +} + +fn syntax_context(db: &dyn ExpandDatabase, file: HirFileId) -> SyntaxContextId { + match file.repr() { + HirFileIdRepr::FileId(_) => SyntaxContextId::ROOT, + HirFileIdRepr::MacroFile(m) => db.macro_arg(m.macro_call_id).2.ctx, + } } /// This expands the given macro call, but with different arguments. This is diff --git a/crates/hir-expand/src/declarative.rs b/crates/hir-expand/src/declarative.rs index 29408902f1..b920d2127a 100644 --- a/crates/hir-expand/src/declarative.rs +++ b/crates/hir-expand/src/declarative.rs @@ -2,6 +2,7 @@ use std::sync::OnceLock; use base_db::{CrateId, VersionReq}; +use intern::sym; use mbe::DocCommentDesugarMode; use span::{Edition, MacroCallId, Span, SyntaxContextId}; use stdx::TupleExt; @@ -111,8 +112,10 @@ impl DeclarativeMacroExpander { match &*attrs .iter() .find(|it| { - it.path.as_ident().and_then(|it| it.as_str()) - == Some("rustc_macro_transparency") + it.path + .as_ident() + .map(|it| *it == sym::rustc_macro_transparency) + .unwrap_or(false) })? .token_tree_value()? .token_trees diff --git a/crates/hir-expand/src/mod_path.rs b/crates/hir-expand/src/mod_path.rs index 12fdf88a2a..7ff8b797fa 100644 --- a/crates/hir-expand/src/mod_path.rs +++ b/crates/hir-expand/src/mod_path.rs @@ -8,10 +8,11 @@ use std::{ use crate::{ db::ExpandDatabase, hygiene::{marks_rev, SyntaxContextExt, Transparency}, - name::{known, AsName, Name}, + name::{AsName, Name}, tt, }; use base_db::CrateId; +use intern::sym; use smallvec::SmallVec; use span::SyntaxContextId; use syntax::{ast, AstNode}; @@ -106,10 +107,7 @@ impl ModPath { PathKind::Abs => 0, PathKind::DollarCrate(_) => "$crate".len(), }; - self.segments() - .iter() - .map(|segment| segment.as_str().map_or(0, str::len)) - .fold(base, core::ops::Add::add) + self.segments().iter().map(|segment| segment.as_str().len()).fold(base, core::ops::Add::add) } pub fn is_ident(&self) -> bool { @@ -122,8 +120,7 @@ impl ModPath { #[allow(non_snake_case)] pub fn is_Self(&self) -> bool { - self.kind == PathKind::Plain - && matches!(&*self.segments, [name] if *name == known::SELF_TYPE) + self.kind == PathKind::Plain && matches!(&*self.segments, [name] if *name == sym::Self_) } /// If this path is a single identifier, like `foo`, return its name. @@ -265,9 +262,10 @@ fn convert_path( res } } - ast::PathSegmentKind::SelfTypeKw => { - ModPath::from_segments(PathKind::Plain, Some(known::SELF_TYPE)) - } + ast::PathSegmentKind::SelfTypeKw => ModPath::from_segments( + PathKind::Plain, + Some(Name::new_symbol(sym::Self_, SyntaxContextId::ROOT)), + ), ast::PathSegmentKind::CrateKw => ModPath::from_segments(PathKind::Crate, iter::empty()), ast::PathSegmentKind::SelfKw => handle_super_kw(0)?, ast::PathSegmentKind::SuperKw => handle_super_kw(1)?, @@ -323,9 +321,9 @@ fn convert_path_tt(db: &dyn ExpandDatabase, tt: &[tt::TokenTree]) -> Option<ModP tt::Leaf::Ident(tt::Ident { text, .. }) if text == "self" => PathKind::SELF, tt::Leaf::Ident(tt::Ident { text, .. }) if text == "super" => { let mut deg = 1; - while let Some(tt::Leaf::Ident(tt::Ident { text, .. })) = leaves.next() { + while let Some(tt::Leaf::Ident(tt::Ident { text, span, .. })) = leaves.next() { if text != "super" { - segments.push(Name::new_text_dont_use(text.clone())); + segments.push(Name::new(text, span.ctx)); break; } deg += 1; @@ -334,13 +332,13 @@ fn convert_path_tt(db: &dyn ExpandDatabase, tt: &[tt::TokenTree]) -> Option<ModP } tt::Leaf::Ident(tt::Ident { text, .. }) if text == "crate" => PathKind::Crate, tt::Leaf::Ident(ident) => { - segments.push(Name::new_text_dont_use(ident.text.clone())); + segments.push(Name::new(&ident.text, ident.span.ctx)); PathKind::Plain } _ => return None, }; segments.extend(leaves.filter_map(|leaf| match leaf { - ::tt::Leaf::Ident(ident) => Some(Name::new_text_dont_use(ident.text.clone())), + ::tt::Leaf::Ident(ident) => Some(Name::new(&ident.text, ident.span.ctx)), _ => None, })); Some(ModPath { kind, segments }) @@ -385,6 +383,8 @@ macro_rules! __known_path { (core::ops::RangeInclusive) => {}; (core::future::Future) => {}; (core::future::IntoFuture) => {}; + (core::fmt::Debug) => {}; + (std::fmt::format) => {}; (core::ops::Try) => {}; ($path:path) => { compile_error!("Please register your known path in the path module") @@ -396,7 +396,7 @@ macro_rules! __path { ($start:ident $(:: $seg:ident)*) => ({ $crate::__known_path!($start $(:: $seg)*); $crate::mod_path::ModPath::from_segments($crate::mod_path::PathKind::Abs, vec![ - $crate::mod_path::__name![$start], $($crate::mod_path::__name![$seg],)* + $crate::name::Name::new_symbol_root(intern::sym::$start), $($crate::name::Name::new_symbol_root(intern::sym::$seg),)* ]) }); } diff --git a/crates/hir-expand/src/name.rs b/crates/hir-expand/src/name.rs index fe754bc824..da0adbef16 100644 --- a/crates/hir-expand/src/name.rs +++ b/crates/hir-expand/src/name.rs @@ -2,6 +2,8 @@ use std::fmt; +use intern::{sym::MISSING_NAME, Symbol}; +use span::SyntaxContextId; use syntax::{ast, format_smolstr, utils::is_raw_identifier, SmolStr}; /// `Name` is a wrapper around string, which is used in hir for both references @@ -11,32 +13,49 @@ use syntax::{ast, format_smolstr, utils::is_raw_identifier, SmolStr}; /// Note that `Name` holds and prints escaped name i.e. prefixed with "r#" when it /// is a raw identifier. Use [`unescaped()`][Name::unescaped] when you need the /// name without "r#". -#[derive(Debug, Clone, PartialEq, Eq, Hash, PartialOrd, Ord)] -pub struct Name(Repr); +#[derive(Debug, Clone, PartialEq, Eq, Hash)] +pub struct Name { + symbol: Symbol, + ctx: (), +} -/// Wrapper of `Name` to print the name without "r#" even when it is a raw identifier. -#[derive(Debug, Clone, PartialEq, Eq, Hash, PartialOrd, Ord)] -pub struct UnescapedName<'a>(&'a Name); +impl Ord for Name { + fn cmp(&self, other: &Self) -> std::cmp::Ordering { + self.symbol.as_str().cmp(other.symbol.as_str()) + } +} -#[derive(Debug, Clone, PartialEq, Eq, Hash, PartialOrd, Ord)] -enum Repr { - Text(SmolStr), - TupleField(usize), +impl PartialOrd for Name { + fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> { + Some(self.cmp(other)) + } } +impl PartialEq<Symbol> for Name { + fn eq(&self, sym: &Symbol) -> bool { + self.symbol == *sym + } +} + +impl PartialEq<Name> for Symbol { + fn eq(&self, name: &Name) -> bool { + *self == name.symbol + } +} + +/// Wrapper of `Name` to print the name without "r#" even when it is a raw identifier. +#[derive(Debug, Clone, PartialEq, Eq, Hash)] +pub struct UnescapedName<'a>(&'a Name); + impl UnescapedName<'_> { /// Returns the textual representation of this name as a [`SmolStr`]. Prefer using this over /// [`ToString::to_string`] if possible as this conversion is cheaper in the general case. pub fn to_smol_str(&self) -> SmolStr { - match &self.0 .0 { - Repr::Text(it) => { - if let Some(stripped) = it.strip_prefix("r#") { - SmolStr::new(stripped) - } else { - it.clone() - } - } - Repr::TupleField(it) => SmolStr::new(it.to_string()), + let it = self.0.symbol.as_str(); + if let Some(stripped) = it.strip_prefix("r#") { + SmolStr::new(stripped) + } else { + it.into() } } @@ -50,27 +69,26 @@ impl Name { /// Note: this is private to make creating name from random string hard. /// Hopefully, this should allow us to integrate hygiene cleaner in the /// future, and to switch to interned representation of names. - const fn new_text(text: SmolStr) -> Name { - Name(Repr::Text(text)) + fn new_text(text: &str) -> Name { + Name { symbol: Symbol::intern(text), ctx: () } } - // FIXME: See above, unfortunately some places really need this right now - #[doc(hidden)] - pub const fn new_text_dont_use(text: SmolStr) -> Name { - Name(Repr::Text(text)) + pub fn new(text: &str, ctx: SyntaxContextId) -> Name { + _ = ctx; + Name { symbol: Symbol::intern(text), ctx: () } } pub fn new_tuple_field(idx: usize) -> Name { - Name(Repr::TupleField(idx)) + Name { symbol: Symbol::intern(&idx.to_string()), ctx: () } } pub fn new_lifetime(lt: &ast::Lifetime) -> Name { - Self::new_text(lt.text().into()) + Name { symbol: Symbol::intern(lt.text().as_str()), ctx: () } } /// Shortcut to create a name from a string literal. - const fn new_static(text: &'static str) -> Name { - Name::new_text(SmolStr::new_static(text)) + fn new_ref(text: &str) -> Name { + Name { symbol: Symbol::intern(text), ctx: () } } /// Resolve a name from the text of token. @@ -78,14 +96,14 @@ impl Name { match raw_text.strip_prefix("r#") { // When `raw_text` starts with "r#" but the name does not coincide with any // keyword, we never need the prefix so we strip it. - Some(text) if !is_raw_identifier(text) => Name::new_text(SmolStr::new(text)), + Some(text) if !is_raw_identifier(text) => Name::new_ref(text), // Keywords (in the current edition) *can* be used as a name in earlier editions of // Rust, e.g. "try" in Rust 2015. Even in such cases, we keep track of them in their // escaped form. None if is_raw_identifier(raw_text) => { - Name::new_text(format_smolstr!("r#{}", raw_text)) + Name::new_text(&format_smolstr!("r#{}", raw_text)) } - _ => Name::new_text(raw_text.into()), + _ => Name::new_text(raw_text), } } @@ -99,7 +117,7 @@ impl Name { /// name is equal only to itself. It's not clear how to implement this in /// salsa though, so we punt on that bit for a moment. pub const fn missing() -> Name { - Name::new_static("[missing name]") + Name { symbol: MISSING_NAME, ctx: () } } /// Returns true if this is a fake name for things missing in the source code. See @@ -115,41 +133,25 @@ impl Name { /// creating desugared locals and labels. The caller is responsible for picking an index /// that is stable across re-executions pub fn generate_new_name(idx: usize) -> Name { - Name::new_text(format_smolstr!("<ra@gennew>{idx}")) + Name::new_text(&format_smolstr!("<ra@gennew>{idx}")) } /// Returns the tuple index this name represents if it is a tuple field. pub fn as_tuple_index(&self) -> Option<usize> { - match self.0 { - Repr::TupleField(idx) => Some(idx), - _ => None, - } + self.symbol.as_str().parse().ok() } /// Returns the text this name represents if it isn't a tuple field. - pub fn as_text(&self) -> Option<SmolStr> { - match &self.0 { - Repr::Text(it) => Some(it.clone()), - _ => None, - } - } - - /// Returns the text this name represents if it isn't a tuple field. - pub fn as_str(&self) -> Option<&str> { - match &self.0 { - Repr::Text(it) => Some(it), - _ => None, - } + pub fn as_str(&self) -> &str { + self.symbol.as_str() } + // FIXME: Remove this /// Returns the textual representation of this name as a [`SmolStr`]. /// Prefer using this over [`ToString::to_string`] if possible as this conversion is cheaper in /// the general case. pub fn to_smol_str(&self) -> SmolStr { - match &self.0 { - Repr::Text(it) => it.clone(), - Repr::TupleField(it) => SmolStr::new(it.to_string()), - } + self.symbol.as_str().into() } pub fn unescaped(&self) -> UnescapedName<'_> { @@ -157,16 +159,27 @@ impl Name { } pub fn is_escaped(&self) -> bool { - match &self.0 { - Repr::Text(it) => it.starts_with("r#"), - Repr::TupleField(_) => false, - } + self.symbol.as_str().starts_with("r#") } pub fn display<'a>(&'a self, db: &dyn crate::db::ExpandDatabase) -> impl fmt::Display + 'a { _ = db; Display { name: self } } + + pub fn symbol(&self) -> &Symbol { + &self.symbol + } + + pub const fn new_symbol(doc: Symbol, ctx: SyntaxContextId) -> Self { + _ = ctx; + Self { symbol: doc, ctx: () } + } + + // FIXME: This needs to go once we have hygiene + pub const fn new_symbol_root(doc: Symbol) -> Self { + Self { symbol: doc, ctx: () } + } } struct Display<'a> { @@ -175,10 +188,7 @@ struct Display<'a> { impl fmt::Display for Display<'_> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - match &self.name.0 { - Repr::Text(text) => fmt::Display::fmt(&text, f), - Repr::TupleField(idx) => fmt::Display::fmt(&idx, f), - } + fmt::Display::fmt(self.name.symbol.as_str(), f) } } @@ -188,13 +198,9 @@ struct UnescapedDisplay<'a> { impl fmt::Display for UnescapedDisplay<'_> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - match &self.name.0 .0 { - Repr::Text(text) => { - let text = text.strip_prefix("r#").unwrap_or(text); - fmt::Display::fmt(&text, f) - } - Repr::TupleField(idx) => fmt::Display::fmt(&idx, f), - } + let symbol = &self.name.0.symbol.as_str(); + let text = symbol.strip_prefix("r#").unwrap_or(symbol); + fmt::Display::fmt(&text, f) } } @@ -246,251 +252,6 @@ impl AsName for ast::FieldKind { impl AsName for base_db::Dependency { fn as_name(&self) -> Name { - Name::new_text(SmolStr::new(&*self.name)) + Name::new_text(&self.name) } } - -pub mod known { - macro_rules! known_names { - ($($ident:ident),* $(,)?) => { - $( - #[allow(bad_style)] - pub const $ident: super::Name = - super::Name::new_static(stringify!($ident)); - )* - }; - } - - known_names!( - // Primitives - isize, - i8, - i16, - i32, - i64, - i128, - usize, - u8, - u16, - u32, - u64, - u128, - f16, - f32, - f64, - f128, - bool, - char, - str, - // Special names - macro_rules, - doc, - cfg, - cfg_attr, - register_attr, - register_tool, - // Components of known path (value or mod name) - std, - core, - alloc, - iter, - ops, - fmt, - future, - result, - string, - boxed, - option, - prelude, - rust_2015, - rust_2018, - rust_2021, - rust_2024, - v1, - new_display, - new_debug, - new_lower_exp, - new_upper_exp, - new_octal, - new_pointer, - new_binary, - new_lower_hex, - new_upper_hex, - from_usize, - panic_2015, - panic_2021, - unreachable_2015, - unreachable_2021, - // Components of known path (type name) - Iterator, - IntoIterator, - Item, - IntoIter, - Try, - Ok, - Future, - IntoFuture, - Result, - Option, - Output, - Target, - Box, - RangeFrom, - RangeFull, - RangeInclusive, - RangeToInclusive, - RangeTo, - Range, - String, - Neg, - Not, - None, - Index, - Left, - Right, - Center, - Unknown, - Is, - Param, - Implied, - // Components of known path (function name) - filter_map, - next, - iter_mut, - len, - is_empty, - as_str, - new, - new_v1_formatted, - none, - // Builtin macros - asm, - assert, - column, - compile_error, - concat_idents, - concat_bytes, - concat, - const_format_args, - core_panic, - env, - file, - format, - format_args_nl, - format_args, - global_asm, - include_bytes, - include_str, - include, - line, - llvm_asm, - log_syntax, - module_path, - option_env, - quote, - std_panic, - stringify, - trace_macros, - unreachable, - // Builtin derives - Copy, - Clone, - Default, - Debug, - Hash, - Ord, - PartialOrd, - Eq, - PartialEq, - // Builtin attributes - bench, - cfg_accessible, - cfg_eval, - crate_type, - derive, - derive_const, - global_allocator, - no_core, - no_std, - test, - test_case, - recursion_limit, - feature, - // known methods of lang items - call_once, - call_mut, - call, - eq, - ne, - ge, - gt, - le, - lt, - // known fields of lang items - pieces, - // lang items - add_assign, - add, - bitand_assign, - bitand, - bitor_assign, - bitor, - bitxor_assign, - bitxor, - branch, - deref_mut, - deref, - div_assign, - div, - drop, - fn_mut, - fn_once, - future_trait, - index, - index_mut, - into_future, - mul_assign, - mul, - neg, - not, - owned_box, - partial_ord, - poll, - r#fn, - rem_assign, - rem, - shl_assign, - shl, - shr_assign, - shr, - sub_assign, - sub, - unsafe_cell, - va_list - ); - - // self/Self cannot be used as an identifier - pub const SELF_PARAM: super::Name = super::Name::new_static("self"); - pub const SELF_TYPE: super::Name = super::Name::new_static("Self"); - - pub const STATIC_LIFETIME: super::Name = super::Name::new_static("'static"); - pub const DOLLAR_CRATE: super::Name = super::Name::new_static("$crate"); - - #[macro_export] - macro_rules! name { - (self) => { - $crate::name::known::SELF_PARAM - }; - (Self) => { - $crate::name::known::SELF_TYPE - }; - ('static) => { - $crate::name::known::STATIC_LIFETIME - }; - ($ident:ident) => { - $crate::name::known::$ident - }; - } -} - -pub use crate::name; diff --git a/crates/hir-expand/src/quote.rs b/crates/hir-expand/src/quote.rs index 8f1e32321e..f4fc3b7b3e 100644 --- a/crates/hir-expand/src/quote.rs +++ b/crates/hir-expand/src/quote.rs @@ -1,6 +1,7 @@ //! A simplified version of quote-crate like quasi quote macro #![allow(clippy::crate_in_macro_def)] +use intern::Symbol; use span::Span; use syntax::format_smolstr; @@ -219,6 +220,7 @@ impl_to_to_tokentrees! { span: &str => self { crate::tt::Literal{text: format_smolstr!("\"{}\"", self.escape_default()), span}}; span: String => self { crate::tt::Literal{text: format_smolstr!("\"{}\"", self.escape_default()), span}}; span: Name => self { crate::tt::Ident{text: self.to_smol_str(), span}}; + span: Symbol => self { crate::tt::Ident{text: self.as_str().into(), span}}; } #[cfg(test)] diff --git a/crates/hir-ty/src/autoderef.rs b/crates/hir-ty/src/autoderef.rs index b706cef0b3..736379a3d8 100644 --- a/crates/hir-ty/src/autoderef.rs +++ b/crates/hir-ty/src/autoderef.rs @@ -5,7 +5,8 @@ use chalk_ir::cast::Cast; use hir_def::lang_item::LangItem; -use hir_expand::name::name; +use hir_expand::name::Name; +use intern::sym; use limit::Limit; use triomphe::Arc; @@ -151,7 +152,8 @@ pub(crate) fn deref_by_trait( let deref_trait = db.lang_item(table.trait_env.krate, LangItem::Deref).and_then(|l| l.as_trait())?; - let target = db.trait_data(deref_trait).associated_type_by_name(&name![Target])?; + let target = + db.trait_data(deref_trait).associated_type_by_name(&Name::new_symbol_root(sym::Target))?; let projection = { let b = TyBuilder::subst_for_def(db, deref_trait, None); diff --git a/crates/hir-ty/src/chalk_db.rs b/crates/hir-ty/src/chalk_db.rs index 3ac8cbaaf8..868827b2b6 100644 --- a/crates/hir-ty/src/chalk_db.rs +++ b/crates/hir-ty/src/chalk_db.rs @@ -3,6 +3,8 @@ use core::ops; use std::{iter, ops::ControlFlow, sync::Arc}; +use hir_expand::name::Name; +use intern::sym; use tracing::debug; use chalk_ir::{cast::Caster, fold::shift::Shift, CanonicalVarKinds}; @@ -16,7 +18,6 @@ use hir_def::{ AssocItemId, BlockId, CallableDefId, GenericDefId, HasModule, ItemContainerId, Lookup, TypeAliasId, VariantId, }; -use hir_expand::name::name; use crate::{ db::{HirDatabase, InternedCoroutine}, @@ -293,8 +294,10 @@ impl chalk_solve::RustIrDatabase<Interner> for ChalkContext<'_> { .lang_item(self.krate, LangItem::Future) .and_then(|item| item.as_trait()) .and_then(|trait_| { - let alias = - self.db.trait_data(trait_).associated_type_by_name(&name![Output])?; + let alias = self + .db + .trait_data(trait_) + .associated_type_by_name(&Name::new_symbol_root(sym::Output))?; Some((trait_, alias)) }) { diff --git a/crates/hir-ty/src/diagnostics/decl_check.rs b/crates/hir-ty/src/diagnostics/decl_check.rs index 15ecf9aafc..1df801f3a4 100644 --- a/crates/hir-ty/src/diagnostics/decl_check.rs +++ b/crates/hir-ty/src/diagnostics/decl_check.rs @@ -247,7 +247,7 @@ impl<'a> DeclValidator<'a> { // Check the module name. let Some(module_name) = module_id.name(self.db.upcast()) else { return }; let Some(module_name_replacement) = - module_name.as_str().and_then(to_lower_snake_case).map(|new_name| Replacement { + to_lower_snake_case(module_name.as_str()).map(|new_name| Replacement { current_name: module_name, suggested_text: new_name, expected_case: CaseType::LowerSnakeCase, diff --git a/crates/hir-ty/src/diagnostics/expr.rs b/crates/hir-ty/src/diagnostics/expr.rs index c28ab2e98a..048bdd2c38 100644 --- a/crates/hir-ty/src/diagnostics/expr.rs +++ b/crates/hir-ty/src/diagnostics/expr.rs @@ -8,7 +8,7 @@ use either::Either; use hir_def::lang_item::LangItem; use hir_def::{resolver::HasResolver, AdtId, AssocItemId, DefWithBodyId, HasModule}; use hir_def::{ItemContainerId, Lookup}; -use hir_expand::name; +use intern::sym; use itertools::Itertools; use rustc_hash::FxHashSet; use rustc_pattern_analysis::constructor::Constructor; @@ -423,7 +423,7 @@ impl FilterMapNextChecker { ItemContainerId::TraitId(iterator_trait_id) => { let iterator_trait_items = &db.trait_data(iterator_trait_id).items; iterator_trait_items.iter().find_map(|(name, it)| match it { - &AssocItemId::FunctionId(id) if *name == name![filter_map] => Some(id), + &AssocItemId::FunctionId(id) if *name == sym::filter_map => Some(id), _ => None, }) } diff --git a/crates/hir-ty/src/display.rs b/crates/hir-ty/src/display.rs index a9a5d829f5..2a644de1fb 100644 --- a/crates/hir-ty/src/display.rs +++ b/crates/hir-ty/src/display.rs @@ -25,7 +25,7 @@ use hir_def::{ ModuleId, TraitId, }; use hir_expand::name::Name; -use intern::{Internable, Interned}; +use intern::{sym, Internable, Interned}; use itertools::Itertools; use la_arena::ArenaMap; use rustc_apfloat::{ @@ -1171,7 +1171,8 @@ impl HirDisplay for Ty { .lang_item(body.module(db.upcast()).krate(), LangItem::Future) .and_then(LangItemTarget::as_trait); let output = future_trait.and_then(|t| { - db.trait_data(t).associated_type_by_name(&hir_expand::name!(Output)) + db.trait_data(t) + .associated_type_by_name(&Name::new_symbol_root(sym::Output)) }); write!(f, "impl ")?; if let Some(t) = future_trait { diff --git a/crates/hir-ty/src/infer.rs b/crates/hir-ty/src/infer.rs index 66ee02d74d..928a3f5e49 100644 --- a/crates/hir-ty/src/infer.rs +++ b/crates/hir-ty/src/infer.rs @@ -46,8 +46,9 @@ use hir_def::{ AdtId, AssocItemId, DefWithBodyId, FieldId, FunctionId, ItemContainerId, Lookup, TraitId, TupleFieldId, TupleId, TypeAliasId, VariantId, }; -use hir_expand::name::{name, Name}; +use hir_expand::name::Name; use indexmap::IndexSet; +use intern::sym; use la_arena::{ArenaMap, Entry}; use once_cell::unsync::OnceCell; use rustc_hash::{FxHashMap, FxHashSet}; @@ -1424,7 +1425,7 @@ impl<'a> InferenceContext<'a> { } fn resolve_output_on(&self, trait_: TraitId) -> Option<TypeAliasId> { - self.db.trait_data(trait_).associated_type_by_name(&name![Output]) + self.db.trait_data(trait_).associated_type_by_name(&Name::new_symbol_root(sym::Output)) } fn resolve_lang_trait(&self, lang: LangItem) -> Option<TraitId> { diff --git a/crates/hir-ty/src/infer/closure.rs b/crates/hir-ty/src/infer/closure.rs index b7c7b66545..f54081a276 100644 --- a/crates/hir-ty/src/infer/closure.rs +++ b/crates/hir-ty/src/infer/closure.rs @@ -15,7 +15,8 @@ use hir_def::{ resolver::{resolver_for_expr, ResolveValueResult, ValueNs}, DefWithBodyId, FieldId, HasModule, TupleFieldId, TupleId, VariantId, }; -use hir_expand::name; +use hir_expand::name::Name; +use intern::sym; use rustc_hash::FxHashMap; use smallvec::SmallVec; use stdx::never; @@ -268,9 +269,7 @@ impl CapturedItem { } let variant_data = f.parent.variant_data(db.upcast()); let field = match &*variant_data { - VariantData::Record(fields) => { - fields[f.local_id].name.as_str().unwrap_or("[missing field]").to_owned() - } + VariantData::Record(fields) => fields[f.local_id].name.as_str().to_owned(), VariantData::Tuple(fields) => fields .iter() .position(|it| it.0 == f.local_id) @@ -621,8 +620,10 @@ impl InferenceContext<'_> { if let Some(deref_trait) = self.resolve_lang_item(LangItem::DerefMut).and_then(|it| it.as_trait()) { - if let Some(deref_fn) = - self.db.trait_data(deref_trait).method_by_name(&name![deref_mut]) + if let Some(deref_fn) = self + .db + .trait_data(deref_trait) + .method_by_name(&Name::new_symbol_root(sym::deref_mut)) { break 'b deref_fn == f; } diff --git a/crates/hir-ty/src/infer/expr.rs b/crates/hir-ty/src/infer/expr.rs index 7a0f7872a6..a0c3f48642 100644 --- a/crates/hir-ty/src/infer/expr.rs +++ b/crates/hir-ty/src/infer/expr.rs @@ -15,7 +15,8 @@ use hir_def::{ path::{GenericArgs, Path}, BlockId, FieldId, GenericDefId, GenericParamId, ItemContainerId, Lookup, TupleFieldId, TupleId, }; -use hir_expand::name::{name, Name}; +use hir_expand::name::Name; +use intern::sym; use stdx::always; use syntax::ast::RangeOp; @@ -646,8 +647,10 @@ impl InferenceContext<'_> { match op { UnaryOp::Deref => { if let Some(deref_trait) = self.resolve_lang_trait(LangItem::Deref) { - if let Some(deref_fn) = - self.db.trait_data(deref_trait).method_by_name(&name![deref]) + if let Some(deref_fn) = self + .db + .trait_data(deref_trait) + .method_by_name(&Name::new_symbol_root(sym::deref)) { // FIXME: this is wrong in multiple ways, subst is empty, and we emit it even for builtin deref (note that // the mutability is not wrong, and will be fixed in `self.infer_mut`). @@ -785,8 +788,10 @@ impl InferenceContext<'_> { // mutability will be fixed up in `InferenceContext::infer_mut`; adj.push(Adjustment::borrow(Mutability::Not, self_ty.clone())); self.write_expr_adj(*base, adj); - if let Some(func) = - self.db.trait_data(index_trait).method_by_name(&name!(index)) + if let Some(func) = self + .db + .trait_data(index_trait) + .method_by_name(&Name::new_symbol_root(sym::index)) { let substs = TyBuilder::subst_for_def(self.db, index_trait, None) .push(self_ty.clone()) diff --git a/crates/hir-ty/src/infer/mutability.rs b/crates/hir-ty/src/infer/mutability.rs index 00e5eac229..ca8996fb89 100644 --- a/crates/hir-ty/src/infer/mutability.rs +++ b/crates/hir-ty/src/infer/mutability.rs @@ -6,7 +6,8 @@ use hir_def::{ hir::{Array, BinaryOp, BindingAnnotation, Expr, ExprId, PatId, Statement, UnaryOp}, lang_item::LangItem, }; -use hir_expand::name; +use hir_expand::name::Name; +use intern::sym; use crate::{lower::lower_to_chalk_mutability, Adjust, Adjustment, AutoBorrow, OverloadedDeref}; @@ -108,8 +109,10 @@ impl InferenceContext<'_> { .lang_item(self.table.trait_env.krate, LangItem::IndexMut) .and_then(|l| l.as_trait()) { - if let Some(index_fn) = - self.db.trait_data(index_trait).method_by_name(&name![index_mut]) + if let Some(index_fn) = self + .db + .trait_data(index_trait) + .method_by_name(&Name::new_symbol_root(sym::index_mut)) { *f = index_fn; let base_adjustments = self @@ -139,8 +142,10 @@ impl InferenceContext<'_> { .lang_item(self.table.trait_env.krate, LangItem::DerefMut) .and_then(|l| l.as_trait()) { - if let Some(deref_fn) = - self.db.trait_data(deref_trait).method_by_name(&name![deref_mut]) + if let Some(deref_fn) = self + .db + .trait_data(deref_trait) + .method_by_name(&Name::new_symbol_root(sym::deref_mut)) { *f = deref_fn; } diff --git a/crates/hir-ty/src/infer/path.rs b/crates/hir-ty/src/infer/path.rs index 490ecfd7fa..67a0ec60f1 100644 --- a/crates/hir-ty/src/infer/path.rs +++ b/crates/hir-ty/src/infer/path.rs @@ -7,6 +7,7 @@ use hir_def::{ AdtId, AssocItemId, GenericDefId, ItemContainerId, Lookup, }; use hir_expand::name::Name; +use intern::sym; use stdx::never; use crate::{ @@ -227,7 +228,7 @@ impl InferenceContext<'_> { Path::LangItem(..) => ( PathSegment { name: { - _d = hir_expand::name::known::Unknown; + _d = Name::new_symbol_root(sym::Unknown); &_d }, args_and_bindings: None, diff --git a/crates/hir-ty/src/infer/unify.rs b/crates/hir-ty/src/infer/unify.rs index ed4d55d203..800b06afbd 100644 --- a/crates/hir-ty/src/infer/unify.rs +++ b/crates/hir-ty/src/infer/unify.rs @@ -9,7 +9,8 @@ use chalk_ir::{ use chalk_solve::infer::ParameterEnaVariableExt; use either::Either; use ena::unify::UnifyKey; -use hir_expand::name; +use hir_expand::name::Name; +use intern::sym; use rustc_hash::FxHashMap; use smallvec::SmallVec; use triomphe::Arc; @@ -781,7 +782,8 @@ impl<'a> InferenceTable<'a> { let krate = self.trait_env.krate; let fn_once_trait = FnTrait::FnOnce.get_id(self.db, krate)?; let trait_data = self.db.trait_data(fn_once_trait); - let output_assoc_type = trait_data.associated_type_by_name(&name![Output])?; + let output_assoc_type = + trait_data.associated_type_by_name(&Name::new_symbol_root(sym::Output))?; let mut arg_tys = Vec::with_capacity(num_args); let arg_ty = TyBuilder::tuple(num_args) diff --git a/crates/hir-ty/src/lang_items.rs b/crates/hir-ty/src/lang_items.rs index 85ed46b963..69ff03eb49 100644 --- a/crates/hir-ty/src/lang_items.rs +++ b/crates/hir-ty/src/lang_items.rs @@ -2,6 +2,7 @@ use hir_def::{data::adt::StructFlags, lang_item::LangItem, AdtId}; use hir_expand::name::Name; +use intern::sym; use crate::db::HirDatabase; @@ -16,48 +17,47 @@ pub fn is_unsafe_cell(db: &dyn HirDatabase, adt: AdtId) -> bool { } pub fn lang_items_for_bin_op(op: syntax::ast::BinaryOp) -> Option<(Name, LangItem)> { - use hir_expand::name; use syntax::ast::{ArithOp, BinaryOp, CmpOp, Ordering}; Some(match op { BinaryOp::LogicOp(_) => return None, BinaryOp::ArithOp(aop) => match aop { - ArithOp::Add => (name![add], LangItem::Add), - ArithOp::Mul => (name![mul], LangItem::Mul), - ArithOp::Sub => (name![sub], LangItem::Sub), - ArithOp::Div => (name![div], LangItem::Div), - ArithOp::Rem => (name![rem], LangItem::Rem), - ArithOp::Shl => (name![shl], LangItem::Shl), - ArithOp::Shr => (name![shr], LangItem::Shr), - ArithOp::BitXor => (name![bitxor], LangItem::BitXor), - ArithOp::BitOr => (name![bitor], LangItem::BitOr), - ArithOp::BitAnd => (name![bitand], LangItem::BitAnd), + ArithOp::Add => (Name::new_symbol_root(sym::add), LangItem::Add), + ArithOp::Mul => (Name::new_symbol_root(sym::mul), LangItem::Mul), + ArithOp::Sub => (Name::new_symbol_root(sym::sub), LangItem::Sub), + ArithOp::Div => (Name::new_symbol_root(sym::div), LangItem::Div), + ArithOp::Rem => (Name::new_symbol_root(sym::rem), LangItem::Rem), + ArithOp::Shl => (Name::new_symbol_root(sym::shl), LangItem::Shl), + ArithOp::Shr => (Name::new_symbol_root(sym::shr), LangItem::Shr), + ArithOp::BitXor => (Name::new_symbol_root(sym::bitxor), LangItem::BitXor), + ArithOp::BitOr => (Name::new_symbol_root(sym::bitor), LangItem::BitOr), + ArithOp::BitAnd => (Name::new_symbol_root(sym::bitand), LangItem::BitAnd), }, BinaryOp::Assignment { op: Some(aop) } => match aop { - ArithOp::Add => (name![add_assign], LangItem::AddAssign), - ArithOp::Mul => (name![mul_assign], LangItem::MulAssign), - ArithOp::Sub => (name![sub_assign], LangItem::SubAssign), - ArithOp::Div => (name![div_assign], LangItem::DivAssign), - ArithOp::Rem => (name![rem_assign], LangItem::RemAssign), - ArithOp::Shl => (name![shl_assign], LangItem::ShlAssign), - ArithOp::Shr => (name![shr_assign], LangItem::ShrAssign), - ArithOp::BitXor => (name![bitxor_assign], LangItem::BitXorAssign), - ArithOp::BitOr => (name![bitor_assign], LangItem::BitOrAssign), - ArithOp::BitAnd => (name![bitand_assign], LangItem::BitAndAssign), + ArithOp::Add => (Name::new_symbol_root(sym::add_assign), LangItem::AddAssign), + ArithOp::Mul => (Name::new_symbol_root(sym::mul_assign), LangItem::MulAssign), + ArithOp::Sub => (Name::new_symbol_root(sym::sub_assign), LangItem::SubAssign), + ArithOp::Div => (Name::new_symbol_root(sym::div_assign), LangItem::DivAssign), + ArithOp::Rem => (Name::new_symbol_root(sym::rem_assign), LangItem::RemAssign), + ArithOp::Shl => (Name::new_symbol_root(sym::shl_assign), LangItem::ShlAssign), + ArithOp::Shr => (Name::new_symbol_root(sym::shr_assign), LangItem::ShrAssign), + ArithOp::BitXor => (Name::new_symbol_root(sym::bitxor_assign), LangItem::BitXorAssign), + ArithOp::BitOr => (Name::new_symbol_root(sym::bitor_assign), LangItem::BitOrAssign), + ArithOp::BitAnd => (Name::new_symbol_root(sym::bitand_assign), LangItem::BitAndAssign), }, BinaryOp::CmpOp(cop) => match cop { - CmpOp::Eq { negated: false } => (name![eq], LangItem::PartialEq), - CmpOp::Eq { negated: true } => (name![ne], LangItem::PartialEq), + CmpOp::Eq { negated: false } => (Name::new_symbol_root(sym::eq), LangItem::PartialEq), + CmpOp::Eq { negated: true } => (Name::new_symbol_root(sym::ne), LangItem::PartialEq), CmpOp::Ord { ordering: Ordering::Less, strict: false } => { - (name![le], LangItem::PartialOrd) + (Name::new_symbol_root(sym::le), LangItem::PartialOrd) } CmpOp::Ord { ordering: Ordering::Less, strict: true } => { - (name![lt], LangItem::PartialOrd) + (Name::new_symbol_root(sym::lt), LangItem::PartialOrd) } CmpOp::Ord { ordering: Ordering::Greater, strict: false } => { - (name![ge], LangItem::PartialOrd) + (Name::new_symbol_root(sym::ge), LangItem::PartialOrd) } CmpOp::Ord { ordering: Ordering::Greater, strict: true } => { - (name![gt], LangItem::PartialOrd) + (Name::new_symbol_root(sym::gt), LangItem::PartialOrd) } }, BinaryOp::Assignment { op: None } => return None, diff --git a/crates/hir-ty/src/lib.rs b/crates/hir-ty/src/lib.rs index bd650869bb..60447ac582 100644 --- a/crates/hir-ty/src/lib.rs +++ b/crates/hir-ty/src/lib.rs @@ -61,7 +61,8 @@ use chalk_ir::{ }; use either::Either; use hir_def::{hir::ExprId, type_ref::Rawness, CallableDefId, GeneralConstId, TypeOrConstParamId}; -use hir_expand::name; +use hir_expand::name::Name; +use intern::sym; use la_arena::{Arena, Idx}; use mir::{MirEvalError, VTableMap}; use rustc_hash::{FxHashMap, FxHashSet}; @@ -894,7 +895,9 @@ pub fn callable_sig_from_fn_trait( ) -> Option<(FnTrait, CallableSig)> { let krate = trait_env.krate; let fn_once_trait = FnTrait::FnOnce.get_id(db, krate)?; - let output_assoc_type = db.trait_data(fn_once_trait).associated_type_by_name(&name![Output])?; + let output_assoc_type = db + .trait_data(fn_once_trait) + .associated_type_by_name(&Name::new_symbol_root(sym::Output))?; let mut table = InferenceTable::new(db, trait_env.clone()); let b = TyBuilder::trait_ref(db, fn_once_trait); diff --git a/crates/hir-ty/src/mir/eval.rs b/crates/hir-ty/src/mir/eval.rs index 2d9c221b73..982080c5ff 100644 --- a/crates/hir-ty/src/mir/eval.rs +++ b/crates/hir-ty/src/mir/eval.rs @@ -14,8 +14,8 @@ use hir_def::{ AdtId, ConstId, DefWithBodyId, EnumVariantId, FunctionId, HasModule, ItemContainerId, Lookup, StaticId, VariantId, }; -use hir_expand::{mod_path::ModPath, HirFileIdExt, InFile}; -use intern::Interned; +use hir_expand::{mod_path::path, name::Name, HirFileIdExt, InFile}; +use intern::{sym, Interned}; use la_arena::ArenaMap; use rustc_abi::TargetDataLayout; use rustc_apfloat::{ @@ -35,7 +35,7 @@ use crate::{ layout::{Layout, LayoutError, RustcEnumVariantIdx}, mapping::from_chalk, method_resolution::{is_dyn_method, lookup_impl_const}, - name, static_lifetime, + static_lifetime, traits::FnTrait, utils::{detect_variant_from_bytes, ClosureSubst}, CallableDefId, ClosureId, ComplexMemoryMap, Const, ConstScalar, FnDefId, Interner, MemoryMap, @@ -631,15 +631,19 @@ impl Evaluator<'_> { cached_fn_trait_func: db .lang_item(crate_id, LangItem::Fn) .and_then(|x| x.as_trait()) - .and_then(|x| db.trait_data(x).method_by_name(&name![call])), + .and_then(|x| db.trait_data(x).method_by_name(&Name::new_symbol_root(sym::call))), cached_fn_mut_trait_func: db .lang_item(crate_id, LangItem::FnMut) .and_then(|x| x.as_trait()) - .and_then(|x| db.trait_data(x).method_by_name(&name![call_mut])), + .and_then(|x| { + db.trait_data(x).method_by_name(&Name::new_symbol_root(sym::call_mut)) + }), cached_fn_once_trait_func: db .lang_item(crate_id, LangItem::FnOnce) .and_then(|x| x.as_trait()) - .and_then(|x| db.trait_data(x).method_by_name(&name![call_once])), + .and_then(|x| { + db.trait_data(x).method_by_name(&Name::new_symbol_root(sym::call_once)) + }), }) } @@ -2633,10 +2637,7 @@ impl Evaluator<'_> { let static_data = self.db.static_data(st); let result = if !static_data.is_extern { let konst = self.db.const_eval_static(st).map_err(|e| { - MirEvalError::ConstEvalError( - static_data.name.as_str().unwrap_or("_").to_owned(), - Box::new(e), - ) + MirEvalError::ConstEvalError(static_data.name.as_str().to_owned(), Box::new(e)) })?; self.allocate_const_in_heap(locals, &konst)? } else { @@ -2693,7 +2694,7 @@ impl Evaluator<'_> { ) -> Result<()> { let Some(drop_fn) = (|| { let drop_trait = self.db.lang_item(self.crate_id, LangItem::Drop)?.as_trait()?; - self.db.trait_data(drop_trait).method_by_name(&name![drop]) + self.db.trait_data(drop_trait).method_by_name(&Name::new_symbol_root(sym::drop)) })() else { // in some tests we don't have drop trait in minicore, and // we can ignore drop in them. @@ -2797,14 +2798,13 @@ pub fn render_const_using_debug_impl( let resolver = owner.resolver(db.upcast()); let Some(TypeNs::TraitId(debug_trait)) = resolver.resolve_path_in_type_ns_fully( db.upcast(), - &hir_def::path::Path::from_known_path_with_no_generic(ModPath::from_segments( - hir_expand::mod_path::PathKind::Abs, - [name![core], name![fmt], name![Debug]], - )), + &hir_def::path::Path::from_known_path_with_no_generic(path![core::fmt::Debug]), ) else { not_supported!("core::fmt::Debug not found"); }; - let Some(debug_fmt_fn) = db.trait_data(debug_trait).method_by_name(&name![fmt]) else { + let Some(debug_fmt_fn) = + db.trait_data(debug_trait).method_by_name(&Name::new_symbol_root(sym::fmt)) + else { not_supported!("core::fmt::Debug::fmt not found"); }; // a1 = &[""] @@ -2829,10 +2829,7 @@ pub fn render_const_using_debug_impl( evaluator.write_memory(a3.offset(5 * evaluator.ptr_size()), &[1])?; let Some(ValueNs::FunctionId(format_fn)) = resolver.resolve_path_in_value_ns_fully( db.upcast(), - &hir_def::path::Path::from_known_path_with_no_generic(ModPath::from_segments( - hir_expand::mod_path::PathKind::Abs, - [name![std], name![fmt], name![format]], - )), + &hir_def::path::Path::from_known_path_with_no_generic(path![std::fmt::format]), ) else { not_supported!("std::fmt::format not found"); }; diff --git a/crates/hir-ty/src/mir/eval/shim.rs b/crates/hir-ty/src/mir/eval/shim.rs index ce22e9d2c2..67e102b1ed 100644 --- a/crates/hir-ty/src/mir/eval/shim.rs +++ b/crates/hir-ty/src/mir/eval/shim.rs @@ -8,12 +8,14 @@ use hir_def::{ builtin_type::{BuiltinInt, BuiltinUint}, resolver::HasResolver, }; +use hir_expand::name::Name; +use intern::sym; use crate::{ error_lifetime, mir::eval::{ - name, pad16, Address, AdtId, Arc, BuiltinType, Evaluator, FunctionId, HasModule, - HirDisplay, Interned, InternedClosure, Interner, Interval, IntervalAndTy, IntervalOrOwned, + pad16, Address, AdtId, Arc, BuiltinType, Evaluator, FunctionId, HasModule, HirDisplay, + Interned, InternedClosure, Interner, Interval, IntervalAndTy, IntervalOrOwned, ItemContainerId, LangItem, Layout, Locals, Lookup, MirEvalError, MirSpan, Mutability, Result, Substitution, Ty, TyBuilder, TyExt, }, @@ -64,7 +66,7 @@ impl Evaluator<'_> { }; if is_intrinsic { self.exec_intrinsic( - function_data.name.as_text().unwrap_or_default().as_str(), + function_data.name.as_str(), args, generic_args, destination, @@ -86,7 +88,7 @@ impl Evaluator<'_> { }; if is_platform_intrinsic { self.exec_platform_intrinsic( - function_data.name.as_text().unwrap_or_default().as_str(), + function_data.name.as_str(), args, generic_args, destination, @@ -104,7 +106,7 @@ impl Evaluator<'_> { }; if is_extern_c { self.exec_extern_c( - function_data.name.as_text().unwrap_or_default().as_str(), + function_data.name.as_str(), args, generic_args, destination, @@ -117,7 +119,7 @@ impl Evaluator<'_> { .attrs .iter() .filter_map(|it| it.path().as_ident()) - .filter_map(|it| it.as_str()) + .map(|it| it.as_str()) .find(|it| { [ "rustc_allocator", @@ -1274,10 +1276,11 @@ impl Evaluator<'_> { args.push(IntervalAndTy::new(addr, field, self, locals)?); } if let Some(target) = self.db.lang_item(self.crate_id, LangItem::FnOnce) { - if let Some(def) = target - .as_trait() - .and_then(|it| self.db.trait_data(it).method_by_name(&name![call_once])) - { + if let Some(def) = target.as_trait().and_then(|it| { + self.db + .trait_data(it) + .method_by_name(&Name::new_symbol_root(sym::call_once)) + }) { self.exec_fn_trait( def, &args, diff --git a/crates/hir-ty/src/mir/lower.rs b/crates/hir-ty/src/mir/lower.rs index 1a0a1b780a..1b8c772d80 100644 --- a/crates/hir-ty/src/mir/lower.rs +++ b/crates/hir-ty/src/mir/lower.rs @@ -1113,9 +1113,9 @@ impl<'ctx> MirLowerCtx<'ctx> { .iter() .map(|it| { let o = match it.1.name.as_str() { - Some("start") => lp.take(), - Some("end") => rp.take(), - Some("exhausted") => { + "start" => lp.take(), + "end" => rp.take(), + "exhausted" => { Some(Operand::from_bytes(Box::new([0]), TyBuilder::bool())) } _ => None, diff --git a/crates/hir-ty/src/mir/lower/as_place.rs b/crates/hir-ty/src/mir/lower/as_place.rs index 4ad00909e4..5e8a2dfb73 100644 --- a/crates/hir-ty/src/mir/lower/as_place.rs +++ b/crates/hir-ty/src/mir/lower/as_place.rs @@ -4,7 +4,7 @@ use crate::mir::MutBorrowKind; use super::*; use hir_def::FunctionId; -use hir_expand::name; +use intern::sym; macro_rules! not_supported { ($it: expr) => { @@ -192,7 +192,7 @@ impl MirLowerCtx<'_> { if let Some(deref_fn) = self .db .trait_data(deref_trait) - .method_by_name(&name![deref_mut]) + .method_by_name(&Name::new_symbol_root(sym::deref_mut)) { break 'b deref_fn == f; } @@ -324,12 +324,17 @@ impl MirLowerCtx<'_> { mutability: bool, ) -> Result<Option<(Place, BasicBlockId)>> { let (chalk_mut, trait_lang_item, trait_method_name, borrow_kind) = if !mutability { - (Mutability::Not, LangItem::Deref, name![deref], BorrowKind::Shared) + ( + Mutability::Not, + LangItem::Deref, + Name::new_symbol_root(sym::deref), + BorrowKind::Shared, + ) } else { ( Mutability::Mut, LangItem::DerefMut, - name![deref_mut], + Name::new_symbol_root(sym::deref_mut), BorrowKind::Mut { kind: MutBorrowKind::Default }, ) }; diff --git a/crates/hir-ty/src/traits.rs b/crates/hir-ty/src/traits.rs index 4283a94657..ce9ffa284c 100644 --- a/crates/hir-ty/src/traits.rs +++ b/crates/hir-ty/src/traits.rs @@ -12,7 +12,8 @@ use hir_def::{ lang_item::{LangItem, LangItemTarget}, BlockId, TraitId, }; -use hir_expand::name::{name, Name}; +use hir_expand::name::Name; +use intern::sym; use stdx::panic_context; use triomphe::Arc; @@ -256,9 +257,9 @@ impl FnTrait { pub fn method_name(self) -> Name { match self { - FnTrait::FnOnce => name!(call_once), - FnTrait::FnMut => name!(call_mut), - FnTrait::Fn => name!(call), + FnTrait::FnOnce => Name::new_symbol_root(sym::call_once), + FnTrait::FnMut => Name::new_symbol_root(sym::call_mut), + FnTrait::Fn => Name::new_symbol_root(sym::call), } } diff --git a/crates/hir/src/attrs.rs b/crates/hir/src/attrs.rs index 7b3ff7b064..af60c233e5 100644 --- a/crates/hir/src/attrs.rs +++ b/crates/hir/src/attrs.rs @@ -12,6 +12,7 @@ use hir_def::{ }; use hir_expand::{mod_path::PathKind, name::Name}; use hir_ty::{db::HirDatabase, method_resolution}; +use span::SyntaxContextId; use crate::{ Adt, AsAssocItem, AssocItem, BuiltinType, Const, ConstParam, DocLinkDef, Enum, ExternCrateDecl, @@ -328,7 +329,7 @@ fn doc_modpath_from_str(link: &str) -> Option<ModPath> { let parts = first_segment.into_iter().chain(parts).map(|segment| match segment.parse() { Ok(idx) => Name::new_tuple_field(idx), Err(_) => { - Name::new_text_dont_use(segment.split_once('<').map_or(segment, |it| it.0).into()) + Name::new(segment.split_once('<').map_or(segment, |it| it.0), SyntaxContextId::ROOT) } }); Some(ModPath::from_segments(kind, parts)) diff --git a/crates/hir/src/lib.rs b/crates/hir/src/lib.rs index 016f341851..f90656c75f 100644 --- a/crates/hir/src/lib.rs +++ b/crates/hir/src/lib.rs @@ -58,7 +58,7 @@ use hir_def::{ TypeOrConstParamId, TypeParamId, UnionId, }; use hir_expand::{ - attrs::collect_attrs, name::name, proc_macro::ProcMacroKind, AstId, MacroCallKind, ValueResult, + attrs::collect_attrs, proc_macro::ProcMacroKind, AstId, MacroCallKind, ValueResult, }; use hir_ty::{ all_super_traits, autoderef, check_orphan_rules, @@ -131,7 +131,7 @@ pub use { change::ChangeWithProcMacros, hygiene::{marks_rev, SyntaxContextExt}, inert_attr_macro::AttributeTemplate, - name::{known, Name}, + name::Name, proc_macro::ProcMacros, tt, ExpandResult, HirFileId, HirFileIdExt, InFile, InMacroFile, InRealFile, MacroFileId, MacroFileIdExt, @@ -145,6 +145,7 @@ pub use { }, // FIXME: Properly encapsulate mir hir_ty::{mir, Interner as ChalkTyInterner}, + intern::{sym, Symbol}, }; // These are negative re-exports: pub using these names is forbidden, they @@ -1826,7 +1827,7 @@ impl DefWithBody { continue; } let mut need_mut = &mol[local]; - if body[binding_id].name.as_str() == Some("self") + if body[binding_id].name == sym::self_ && need_mut == &mir::MutabilityReason::Unused { need_mut = &mir::MutabilityReason::Not; @@ -1836,7 +1837,7 @@ impl DefWithBody { match (need_mut, is_mut) { (mir::MutabilityReason::Unused, _) => { - let should_ignore = matches!(body[binding_id].name.as_str(), Some(it) if it.starts_with('_')); + let should_ignore = body[binding_id].name.as_str().starts_with('_'); if !should_ignore { acc.push(UnusedVariable { local }.into()) } @@ -1866,7 +1867,7 @@ impl DefWithBody { } (mir::MutabilityReason::Not, true) => { if !infer.mutated_bindings_in_closure.contains(&binding_id) { - let should_ignore = matches!(body[binding_id].name.as_str(), Some(it) if it.starts_with('_')); + let should_ignore = body[binding_id].name.as_str().starts_with('_'); if !should_ignore { acc.push(UnusedMut { local }.into()) } @@ -2588,7 +2589,7 @@ pub struct StaticLifetime; impl StaticLifetime { pub fn name(self) -> Name { - known::STATIC_LIFETIME + Name::new_symbol_root(sym::tick_static) } } @@ -3248,7 +3249,7 @@ impl Local { } pub fn is_self(self, db: &dyn HirDatabase) -> bool { - self.name(db) == name![self] + self.name(db) == sym::self_ } pub fn is_mut(self, db: &dyn HirDatabase) -> bool { diff --git a/crates/hir/src/source_analyzer.rs b/crates/hir/src/source_analyzer.rs index 81c57f6cae..45401702e9 100644 --- a/crates/hir/src/source_analyzer.rs +++ b/crates/hir/src/source_analyzer.rs @@ -25,11 +25,8 @@ use hir_def::{ }; use hir_expand::{ mod_path::path, + name::{AsName, Name}, HirFileId, InFile, InMacroFile, MacroFileId, MacroFileIdExt, - { - name, - name::{AsName, Name}, - }, }; use hir_ty::{ diagnostics::{ @@ -40,6 +37,7 @@ use hir_ty::{ method_resolution, Adjustment, InferenceResult, Interner, Substitution, Ty, TyExt, TyKind, TyLoweringContext, }; +use intern::sym; use itertools::Itertools; use smallvec::SmallVec; use syntax::{ @@ -368,7 +366,7 @@ impl SourceAnalyzer { let items = into_future_trait.items(db); let into_future_type = items.into_iter().find_map(|item| match item { AssocItem::TypeAlias(alias) - if alias.name(db) == hir_expand::name![IntoFuture] => + if alias.name(db) == Name::new_symbol_root(sym::IntoFuture) => { Some(alias) } @@ -398,14 +396,17 @@ impl SourceAnalyzer { // Since deref kind is inferenced and stored in `InferenceResult.method_resolution`, // use that result to find out which one it is. let (deref_trait, deref) = - self.lang_trait_fn(db, LangItem::Deref, &name![deref])?; + self.lang_trait_fn(db, LangItem::Deref, &Name::new_symbol_root(sym::deref))?; self.infer .as_ref() .and_then(|infer| { let expr = self.expr_id(db, &prefix_expr.clone().into())?; let (func, _) = infer.method_resolution(expr)?; - let (deref_mut_trait, deref_mut) = - self.lang_trait_fn(db, LangItem::DerefMut, &name![deref_mut])?; + let (deref_mut_trait, deref_mut) = self.lang_trait_fn( + db, + LangItem::DerefMut, + &Name::new_symbol_root(sym::deref_mut), + )?; if func == deref_mut { Some((deref_mut_trait, deref_mut)) } else { @@ -414,8 +415,12 @@ impl SourceAnalyzer { }) .unwrap_or((deref_trait, deref)) } - ast::UnaryOp::Not => self.lang_trait_fn(db, LangItem::Not, &name![not])?, - ast::UnaryOp::Neg => self.lang_trait_fn(db, LangItem::Neg, &name![neg])?, + ast::UnaryOp::Not => { + self.lang_trait_fn(db, LangItem::Not, &Name::new_symbol_root(sym::not))? + } + ast::UnaryOp::Neg => { + self.lang_trait_fn(db, LangItem::Neg, &Name::new_symbol_root(sym::neg))? + } }; let ty = self.ty_of_expr(db, &prefix_expr.expr()?)?; @@ -435,15 +440,19 @@ impl SourceAnalyzer { let base_ty = self.ty_of_expr(db, &index_expr.base()?)?; let index_ty = self.ty_of_expr(db, &index_expr.index()?)?; - let (index_trait, index_fn) = self.lang_trait_fn(db, LangItem::Index, &name![index])?; + let (index_trait, index_fn) = + self.lang_trait_fn(db, LangItem::Index, &Name::new_symbol_root(sym::index))?; let (op_trait, op_fn) = self .infer .as_ref() .and_then(|infer| { let expr = self.expr_id(db, &index_expr.clone().into())?; let (func, _) = infer.method_resolution(expr)?; - let (index_mut_trait, index_mut_fn) = - self.lang_trait_fn(db, LangItem::IndexMut, &name![index_mut])?; + let (index_mut_trait, index_mut_fn) = self.lang_trait_fn( + db, + LangItem::IndexMut, + &Name::new_symbol_root(sym::index_mut), + )?; if func == index_mut_fn { Some((index_mut_trait, index_mut_fn)) } else { diff --git a/crates/hir/src/symbols.rs b/crates/hir/src/symbols.rs index 02905ca2ce..a6e69d7992 100644 --- a/crates/hir/src/symbols.rs +++ b/crates/hir/src/symbols.rs @@ -239,7 +239,7 @@ impl<'a> SymbolCollector<'a> { fn collect_from_trait(&mut self, trait_id: TraitId) { let trait_data = self.db.trait_data(trait_id); - self.with_container_name(trait_data.name.as_text(), |s| { + self.with_container_name(Some(trait_data.name.as_str().into()), |s| { for &(_, assoc_item_id) in &trait_data.items { s.push_assoc_item(assoc_item_id); } diff --git a/crates/ide-assists/src/handlers/bool_to_enum.rs b/crates/ide-assists/src/handlers/bool_to_enum.rs index ab25e0167b..c1fcb8e44d 100644 --- a/crates/ide-assists/src/handlers/bool_to_enum.rs +++ b/crates/ide-assists/src/handlers/bool_to_enum.rs @@ -470,7 +470,7 @@ fn add_enum_def( .module() .scope(ctx.db(), Some(*target_module)) .iter() - .any(|(name, _)| name.as_str() == Some("Bool")) + .any(|(name, _)| name.as_str() == "Bool") { return None; } diff --git a/crates/ide-assists/src/handlers/convert_bool_then.rs b/crates/ide-assists/src/handlers/convert_bool_then.rs index 61b7b41217..27e39f6f8a 100644 --- a/crates/ide-assists/src/handlers/convert_bool_then.rs +++ b/crates/ide-assists/src/handlers/convert_bool_then.rs @@ -1,4 +1,4 @@ -use hir::{known, AsAssocItem, Semantics}; +use hir::{sym, AsAssocItem, Semantics}; use ide_db::{ famous_defs::FamousDefs, syntax_helpers::node_ext::{ @@ -223,7 +223,7 @@ fn option_variants( let fam = FamousDefs(sema, sema.scope(expr)?.krate()); let option_variants = fam.core_option_Option()?.variants(sema.db); match &*option_variants { - &[variant0, variant1] => Some(if variant0.name(sema.db) == known::None { + &[variant0, variant1] => Some(if variant0.name(sema.db) == sym::None { (variant0, variant1) } else { (variant1, variant0) diff --git a/crates/ide-assists/src/handlers/convert_iter_for_each_to_for.rs b/crates/ide-assists/src/handlers/convert_iter_for_each_to_for.rs index db96c8fe40..d85147e84b 100644 --- a/crates/ide-assists/src/handlers/convert_iter_for_each_to_for.rs +++ b/crates/ide-assists/src/handlers/convert_iter_for_each_to_for.rs @@ -1,4 +1,4 @@ -use hir::known; +use hir::{sym, Name}; use ide_db::famous_defs::FamousDefs; use stdx::format_to; use syntax::{ @@ -149,7 +149,11 @@ fn is_ref_and_impls_iter_method( ast::Expr::RefExpr(r) => r, _ => return None, }; - let wanted_method = if ref_expr.mut_token().is_some() { known::iter_mut } else { known::iter }; + let wanted_method = Name::new_symbol_root(if ref_expr.mut_token().is_some() { + sym::iter_mut + } else { + sym::iter + }); let expr_behind_ref = ref_expr.expr()?; let ty = sema.type_of_expr(&expr_behind_ref)?.adjusted(); let scope = sema.scope(iterable.syntax())?; diff --git a/crates/ide-assists/src/handlers/destructure_struct_binding.rs b/crates/ide-assists/src/handlers/destructure_struct_binding.rs index 666e1a1496..62bb6dff21 100644 --- a/crates/ide-assists/src/handlers/destructure_struct_binding.rs +++ b/crates/ide-assists/src/handlers/destructure_struct_binding.rs @@ -169,8 +169,8 @@ fn get_names_in_scope( let mut names = FxHashSet::default(); scope.process_all_names(&mut |name, scope| { - if let (Some(name), hir::ScopeDef::Local(_)) = (name.as_text(), scope) { - names.insert(name); + if let hir::ScopeDef::Local(_) = scope { + names.insert(name.as_str().into()); } }); Some(names) diff --git a/crates/ide-assists/src/handlers/generate_is_empty_from_len.rs b/crates/ide-assists/src/handlers/generate_is_empty_from_len.rs index 4d369e705e..05210e66ac 100644 --- a/crates/ide-assists/src/handlers/generate_is_empty_from_len.rs +++ b/crates/ide-assists/src/handlers/generate_is_empty_from_len.rs @@ -1,4 +1,4 @@ -use hir::{known, HasSource, Name}; +use hir::{sym, HasSource, Name}; use syntax::{ ast::{self, HasName}, AstNode, @@ -54,13 +54,13 @@ pub(crate) fn generate_is_empty_from_len(acc: &mut Assists, ctx: &AssistContext< } let impl_ = fn_node.syntax().ancestors().find_map(ast::Impl::cast)?; - let len_fn = get_impl_method(ctx, &impl_, &known::len)?; + let len_fn = get_impl_method(ctx, &impl_, &Name::new_symbol_root(sym::len))?; if !len_fn.ret_type(ctx.sema.db).is_usize() { cov_mark::hit!(len_fn_different_return_type); return None; } - if get_impl_method(ctx, &impl_, &known::is_empty).is_some() { + if get_impl_method(ctx, &impl_, &Name::new_symbol_root(sym::is_empty)).is_some() { cov_mark::hit!(is_empty_already_implemented); return None; } diff --git a/crates/ide-assists/src/handlers/inline_call.rs b/crates/ide-assists/src/handlers/inline_call.rs index 8c9fe23bb0..137b8d1317 100644 --- a/crates/ide-assists/src/handlers/inline_call.rs +++ b/crates/ide-assists/src/handlers/inline_call.rs @@ -2,7 +2,7 @@ use std::collections::BTreeSet; use ast::make; use either::Either; -use hir::{db::HirDatabase, PathResolution, Semantics, TypeInfo}; +use hir::{db::HirDatabase, sym, PathResolution, Semantics, TypeInfo}; use ide_db::{ base_db::{FileId, FileRange}, defs::Definition, @@ -430,10 +430,7 @@ fn inline( let ty = sema.type_of_expr(expr).filter(TypeInfo::has_adjustment).and(param_ty); - let is_self = param - .name(sema.db) - .and_then(|name| name.as_text()) - .is_some_and(|name| name == "self"); + let is_self = param.name(sema.db).is_some_and(|name| name == sym::self_); if is_self { let mut this_pat = make::ident_pat(false, false, make::name("this")); diff --git a/crates/ide-assists/src/handlers/replace_method_eager_lazy.rs b/crates/ide-assists/src/handlers/replace_method_eager_lazy.rs index 37ea5123a7..12d025f075 100644 --- a/crates/ide-assists/src/handlers/replace_method_eager_lazy.rs +++ b/crates/ide-assists/src/handlers/replace_method_eager_lazy.rs @@ -47,7 +47,7 @@ pub(crate) fn replace_with_lazy_method(acc: &mut Assists, ctx: &AssistContext<'_ None, None, |func| { - let valid = func.name(ctx.sema.db).as_str() == Some(&*method_name_lazy) + let valid = func.name(ctx.sema.db).as_str() == &*method_name_lazy && func.num_params(ctx.sema.db) == n_params && { let params = func.params_without_self(ctx.sema.db); @@ -133,7 +133,7 @@ pub(crate) fn replace_with_eager_method(acc: &mut Assists, ctx: &AssistContext<' None, None, |func| { - let valid = func.name(ctx.sema.db).as_str() == Some(method_name_eager) + let valid = func.name(ctx.sema.db).as_str() == method_name_eager && func.num_params(ctx.sema.db) == n_params; valid.then_some(func) }, diff --git a/crates/ide-assists/src/utils.rs b/crates/ide-assists/src/utils.rs index ba6ef1921a..c67693ea2b 100644 --- a/crates/ide-assists/src/utils.rs +++ b/crates/ide-assists/src/utils.rs @@ -88,8 +88,8 @@ pub fn has_test_related_attribute(attrs: &hir::AttrsWithOwner) -> bool { let path = attr.path(); (|| { Some( - path.segments().first()?.as_text()?.starts_with("test") - || path.segments().last()?.as_text()?.ends_with("test"), + path.segments().first()?.as_str().starts_with("test") + || path.segments().last()?.as_str().ends_with("test"), ) })() .unwrap_or_default() diff --git a/crates/ide-completion/src/completions.rs b/crates/ide-completion/src/completions.rs index 995a4443ed..4a8ea17180 100644 --- a/crates/ide-completion/src/completions.rs +++ b/crates/ide-completion/src/completions.rs @@ -24,7 +24,7 @@ pub(crate) mod vis; use std::iter; -use hir::{known, HasAttrs, ImportPathConfig, ScopeDef, Variant}; +use hir::{sym, HasAttrs, ImportPathConfig, Name, ScopeDef, Variant}; use ide_db::{imports::import_assets::LocatedImport, RootDatabase, SymbolKind}; use syntax::{ast, SmolStr}; @@ -618,7 +618,7 @@ fn enum_variants_with_paths( let mut process_variant = |variant: Variant| { let self_path = hir::ModPath::from_segments( hir::PathKind::Plain, - iter::once(known::SELF_TYPE).chain(iter::once(variant.name(ctx.db))), + iter::once(Name::new_symbol_root(sym::Self_)).chain(iter::once(variant.name(ctx.db))), ); cb(acc, ctx, variant, self_path); diff --git a/crates/ide-completion/src/completions/attribute/macro_use.rs b/crates/ide-completion/src/completions/attribute/macro_use.rs index f45f9cba25..7e3a62405a 100644 --- a/crates/ide-completion/src/completions/attribute/macro_use.rs +++ b/crates/ide-completion/src/completions/attribute/macro_use.rs @@ -18,7 +18,7 @@ pub(super) fn complete_macro_use( for mod_def in krate.root_module().declarations(ctx.db) { if let ModuleDef::Macro(mac) = mod_def { let mac_name = mac.name(ctx.db); - let Some(mac_name) = mac_name.as_str() else { continue }; + let mac_name = mac_name.as_str(); let existing_import = existing_imports .iter() diff --git a/crates/ide-completion/src/completions/dot.rs b/crates/ide-completion/src/completions/dot.rs index a4f092cc49..d3290db4ef 100644 --- a/crates/ide-completion/src/completions/dot.rs +++ b/crates/ide-completion/src/completions/dot.rs @@ -1,5 +1,6 @@ //! Completes references after dot (fields and method calls). +use hir::{sym, Name}; use ide_db::FxHashSet; use syntax::SmolStr; @@ -90,12 +91,14 @@ pub(crate) fn complete_undotted_self( in_breakable: expr_ctx.in_breakable, }, }, - Some(hir::known::SELF_PARAM), + Some(Name::new_symbol_root(sym::self_)), field, &ty, ) }, - |acc, field, ty| acc.add_tuple_field(ctx, Some(hir::known::SELF_PARAM), field, &ty), + |acc, field, ty| { + acc.add_tuple_field(ctx, Some(Name::new_symbol_root(sym::self_)), field, &ty) + }, true, false, ); @@ -112,7 +115,7 @@ pub(crate) fn complete_undotted_self( }, }, func, - Some(hir::known::SELF_PARAM), + Some(Name::new_symbol_root(sym::self_)), None, ) }); diff --git a/crates/ide-completion/src/completions/expr.rs b/crates/ide-completion/src/completions/expr.rs index 01f9368aa4..72b36922da 100644 --- a/crates/ide-completion/src/completions/expr.rs +++ b/crates/ide-completion/src/completions/expr.rs @@ -1,6 +1,6 @@ //! Completion of names from the current scope in expression position. -use hir::{ImportPathConfig, ScopeDef}; +use hir::{sym, ImportPathConfig, Name, ScopeDef}; use syntax::ast; use crate::{ @@ -190,7 +190,7 @@ pub(crate) fn complete_expr_path( path_ctx, strukt, None, - Some(hir::known::SELF_TYPE), + Some(Name::new_symbol_root(sym::Self_)), ); } } @@ -210,7 +210,12 @@ pub(crate) fn complete_expr_path( acc.add_union_literal(ctx, un, path, None); if complete_self { - acc.add_union_literal(ctx, un, None, Some(hir::known::SELF_TYPE)); + acc.add_union_literal( + ctx, + un, + None, + Some(Name::new_symbol_root(sym::Self_)), + ); } } hir::Adt::Enum(e) => { diff --git a/crates/ide-completion/src/completions/lifetime.rs b/crates/ide-completion/src/completions/lifetime.rs index 2c6cbf6146..541ccf2d19 100644 --- a/crates/ide-completion/src/completions/lifetime.rs +++ b/crates/ide-completion/src/completions/lifetime.rs @@ -7,7 +7,7 @@ //! there is no value in lifting these out into the outline module test since they will either not //! show up for normal completions, or they won't show completions other than lifetimes depending //! on the fixture input. -use hir::{known, ScopeDef}; +use hir::{sym, Name, ScopeDef}; use syntax::{ast, TokenText}; use crate::{ @@ -47,7 +47,7 @@ pub(crate) fn complete_lifetime( } }); if param_lifetime.is_none() { - acc.add_lifetime(ctx, known::STATIC_LIFETIME); + acc.add_lifetime(ctx, Name::new_symbol_root(sym::tick_static)); } } diff --git a/crates/ide-completion/src/completions/use_.rs b/crates/ide-completion/src/completions/use_.rs index 27e9d1d6cf..5fe6cd0e90 100644 --- a/crates/ide-completion/src/completions/use_.rs +++ b/crates/ide-completion/src/completions/use_.rs @@ -55,9 +55,8 @@ pub(crate) fn complete_use_path( if !ctx.check_stability(def.attrs(ctx.db).as_deref()) { continue; } - let is_name_already_imported = name - .as_text() - .map_or(false, |text| already_imported_names.contains(text.as_str())); + let is_name_already_imported = + already_imported_names.contains(name.as_str()); let add_resolution = match def { ScopeDef::Unknown if unknown_is_current(&name) => { diff --git a/crates/ide-completion/src/context/analysis.rs b/crates/ide-completion/src/context/analysis.rs index a14fe24fa7..1e972b9b4c 100644 --- a/crates/ide-completion/src/context/analysis.rs +++ b/crates/ide-completion/src/context/analysis.rs @@ -823,13 +823,13 @@ fn classify_name_ref( for item in trait_.items_with_supertraits(sema.db) { match item { hir::AssocItem::TypeAlias(assoc_ty) => { - if assoc_ty.name(sema.db).as_str()? == arg_name { + if assoc_ty.name(sema.db).as_str() == arg_name { override_location = Some(TypeLocation::AssocTypeEq); return None; } }, hir::AssocItem::Const(const_) => { - if const_.name(sema.db)?.as_str()? == arg_name { + if const_.name(sema.db)?.as_str() == arg_name { override_location = Some(TypeLocation::AssocConstEq); return None; } @@ -867,7 +867,7 @@ fn classify_name_ref( let trait_items = trait_.items_with_supertraits(sema.db); let assoc_ty = trait_items.iter().find_map(|item| match item { hir::AssocItem::TypeAlias(assoc_ty) => { - (assoc_ty.name(sema.db).as_str()? == arg_name) + (assoc_ty.name(sema.db).as_str() == arg_name) .then_some(assoc_ty) }, _ => None, diff --git a/crates/ide-completion/src/render.rs b/crates/ide-completion/src/render.rs index fe9e2e5268..15c20f1186 100644 --- a/crates/ide-completion/src/render.rs +++ b/crates/ide-completion/src/render.rs @@ -280,8 +280,7 @@ pub(crate) fn render_expr( let mut snippet_formatter = |ty: &hir::Type| { let arg_name = ty .as_adt() - .and_then(|adt| adt.name(ctx.db).as_text()) - .map(|s| stdx::to_lower_snake_case(s.as_str())) + .map(|adt| stdx::to_lower_snake_case(adt.name(ctx.db).as_str())) .unwrap_or_else(|| String::from("_")); let res = format!("${{{i}:{arg_name}}}"); i += 1; @@ -290,8 +289,7 @@ pub(crate) fn render_expr( let mut label_formatter = |ty: &hir::Type| { ty.as_adt() - .and_then(|adt| adt.name(ctx.db).as_text()) - .map(|s| stdx::to_lower_snake_case(s.as_str())) + .map(|adt| stdx::to_lower_snake_case(adt.name(ctx.db).as_str())) .unwrap_or_else(|| String::from("...")) }; diff --git a/crates/ide-completion/src/render/function.rs b/crates/ide-completion/src/render/function.rs index 48c9d624f6..c15e91c404 100644 --- a/crates/ide-completion/src/render/function.rs +++ b/crates/ide-completion/src/render/function.rs @@ -188,7 +188,7 @@ fn compute_return_type_match( CompletionRelevanceReturnType::Constructor } else if ret_type .as_adt() - .and_then(|adt| adt.name(db).as_str().map(|name| name.ends_with("Builder"))) + .map(|adt| adt.name(db).as_str().ends_with("Builder")) .unwrap_or(false) { // fn([..]) -> [..]Builder @@ -227,11 +227,7 @@ pub(super) fn add_call_parens<'b>( None => { let name = match param.ty().as_adt() { None => "_".to_owned(), - Some(adt) => adt - .name(ctx.db) - .as_text() - .map(|s| to_lower_snake_case(s.as_str())) - .unwrap_or_else(|| "_".to_owned()), + Some(adt) => to_lower_snake_case(adt.name(ctx.db).as_str()), }; f(&format_args!("${{{}:{name}}}", index + offset)) } @@ -264,7 +260,7 @@ pub(super) fn add_call_parens<'b>( fn ref_of_param(ctx: &CompletionContext<'_>, arg: &str, ty: &hir::Type) -> &'static str { if let Some(derefed_ty) = ty.remove_ref() { for (name, local) in ctx.locals.iter() { - if name.as_text().as_deref() == Some(arg) { + if name.as_str() == arg { return if local.ty(ctx.db) == derefed_ty { if ty.is_mutable_reference() { "&mut " diff --git a/crates/ide-db/src/defs.rs b/crates/ide-db/src/defs.rs index a75a708d95..dbb2adcd30 100644 --- a/crates/ide-db/src/defs.rs +++ b/crates/ide-db/src/defs.rs @@ -144,7 +144,7 @@ impl Definition { Definition::Local(it) => it.name(db), Definition::GenericParam(it) => it.name(db), Definition::Label(it) => it.name(db), - Definition::BuiltinLifetime(StaticLifetime) => hir::known::STATIC_LIFETIME, + Definition::BuiltinLifetime(it) => it.name(), Definition::BuiltinAttr(_) => return None, // FIXME Definition::ToolModule(_) => return None, // FIXME Definition::DeriveHelper(it) => it.name(db), diff --git a/crates/ide-db/src/imports/import_assets.rs b/crates/ide-db/src/imports/import_assets.rs index 088717a66e..4814394de6 100644 --- a/crates/ide-db/src/imports/import_assets.rs +++ b/crates/ide-db/src/imports/import_assets.rs @@ -389,16 +389,16 @@ fn import_for_item( let mut import_path_candidate_segments = import_path_candidate.segments().iter().rev(); let predicate = |it: EitherOrBoth<&SmolStr, &Name>| match it { // segments match, check next one - EitherOrBoth::Both(a, b) if b.as_str() == Some(&**a) => None, + EitherOrBoth::Both(a, b) if b.as_str() == &**a => None, // segments mismatch / qualifier is longer than the path, bail out EitherOrBoth::Both(..) | EitherOrBoth::Left(_) => Some(false), // all segments match and we have exhausted the qualifier, proceed EitherOrBoth::Right(_) => Some(true), }; if item_as_assoc.is_none() { - let item_name = item_name(db, original_item)?.as_text()?; + let item_name = item_name(db, original_item)?; let last_segment = import_path_candidate_segments.next()?; - if last_segment.as_str() != Some(&*item_name) { + if *last_segment != item_name { return None; } } diff --git a/crates/ide-db/src/path_transform.rs b/crates/ide-db/src/path_transform.rs index e21d54ccd0..84a388a460 100644 --- a/crates/ide-db/src/path_transform.rs +++ b/crates/ide-db/src/path_transform.rs @@ -472,7 +472,7 @@ fn find_trait_for_assoc_item( }); for name in names { - if assoc_item_name.as_str() == name.as_text()?.as_str() { + if assoc_item_name.as_str() == name.as_str() { // It is fine to return the first match because in case of // multiple possibilities, the exact trait must be disambiguated // in the definition of trait being implemented, so this search diff --git a/crates/ide-diagnostics/src/handlers/missing_fields.rs b/crates/ide-diagnostics/src/handlers/missing_fields.rs index 6a809cb0ce..4cdb279a21 100644 --- a/crates/ide-diagnostics/src/handlers/missing_fields.rs +++ b/crates/ide-diagnostics/src/handlers/missing_fields.rs @@ -1,7 +1,7 @@ use either::Either; use hir::{ db::{ExpandDatabase, HirDatabase}, - known, AssocItem, HirDisplay, HirFileIdExt, ImportPathConfig, InFile, Type, + sym, AssocItem, HirDisplay, HirFileIdExt, ImportPathConfig, InFile, Type, }; use ide_db::{ assists::Assist, famous_defs::FamousDefs, imports::import_assets::item_for_path_search, @@ -210,7 +210,7 @@ fn get_default_constructor( let has_new_func = ty .iterate_assoc_items(ctx.sema.db, krate, |assoc_item| { if let AssocItem::Function(func) = assoc_item { - if func.name(ctx.sema.db) == known::new + if func.name(ctx.sema.db) == sym::new && func.assoc_fn_params(ctx.sema.db).is_empty() { return Some(()); diff --git a/crates/ide-diagnostics/src/handlers/unresolved_field.rs b/crates/ide-diagnostics/src/handlers/unresolved_field.rs index 41357b5962..46c373d8df 100644 --- a/crates/ide-diagnostics/src/handlers/unresolved_field.rs +++ b/crates/ide-diagnostics/src/handlers/unresolved_field.rs @@ -76,7 +76,7 @@ fn field_fix(ctx: &DiagnosticsContext<'_>, d: &hir::UnresolvedField) -> Option<A let expr = d.expr.value.to_node(&root); let error_range = ctx.sema.original_range_opt(expr.syntax())?; - let field_name = d.name.as_str()?; + let field_name = d.name.as_str(); // Convert the receiver to an ADT let adt = d.receiver.strip_references().as_adt()?; let target_module = adt.module(ctx.sema.db); diff --git a/crates/ide/src/goto_definition.rs b/crates/ide/src/goto_definition.rs index f57cb1cb73..7fecc37c4c 100644 --- a/crates/ide/src/goto_definition.rs +++ b/crates/ide/src/goto_definition.rs @@ -150,7 +150,7 @@ fn try_lookup_macro_def_in_macro_use( for mod_def in krate.root_module().declarations(sema.db) { if let ModuleDef::Macro(mac) = mod_def { - if mac.name(sema.db).as_str() == Some(token.text()) { + if mac.name(sema.db).as_str() == token.text() { if let Some(nav) = mac.try_to_nav(sema.db) { return Some(nav.call_site); } diff --git a/crates/ide/src/inlay_hints.rs b/crates/ide/src/inlay_hints.rs index 944951f26a..0692f0d700 100644 --- a/crates/ide/src/inlay_hints.rs +++ b/crates/ide/src/inlay_hints.rs @@ -5,7 +5,7 @@ use std::{ use either::Either; use hir::{ - known, ClosureStyle, HasVisibility, HirDisplay, HirDisplayError, HirWrite, ModuleDef, + sym, ClosureStyle, HasVisibility, HirDisplay, HirDisplayError, HirWrite, ModuleDef, ModuleDefId, Semantics, }; use ide_db::{base_db::FileRange, famous_defs::FamousDefs, RootDatabase}; @@ -633,7 +633,7 @@ fn hint_iterator( if ty.impls_trait(db, iter_trait, &[]) { let assoc_type_item = iter_trait.items(db).into_iter().find_map(|item| match item { - hir::AssocItem::TypeAlias(alias) if alias.name(db) == known::Item => Some(alias), + hir::AssocItem::TypeAlias(alias) if alias.name(db) == sym::Item => Some(alias), _ => None, })?; if let Some(ty) = ty.normalize_trait_assoc_type(db, &[], assoc_type_item) { diff --git a/crates/ide/src/inlay_hints/generic_param.rs b/crates/ide/src/inlay_hints/generic_param.rs index 51855eeae2..b60a80a8ac 100644 --- a/crates/ide/src/inlay_hints/generic_param.rs +++ b/crates/ide/src/inlay_hints/generic_param.rs @@ -46,7 +46,7 @@ pub(crate) fn hints( } let name = param.name(sema.db); - let param_name = name.as_str()?; + let param_name = name.as_str(); let should_hide = { let argument = get_string_representation(&arg)?; diff --git a/crates/ide/src/test_explorer.rs b/crates/ide/src/test_explorer.rs index 99e2430860..b27dc60ffa 100644 --- a/crates/ide/src/test_explorer.rs +++ b/crates/ide/src/test_explorer.rs @@ -66,8 +66,11 @@ fn discover_tests_in_module( let mut r = vec![]; for c in module.children(db) { - let module_name = - c.name(db).as_ref().and_then(|n| n.as_str()).unwrap_or("[mod without name]").to_owned(); + let module_name = c + .name(db) + .as_ref() + .map(|n| n.as_str().to_owned()) + .unwrap_or_else(|| "[mod without name]".to_owned()); let module_id = format!("{prefix_id}::{module_name}"); let module_children = discover_tests_in_module(db, c, module_id.clone(), only_in_this_file); if !module_children.is_empty() { @@ -94,7 +97,7 @@ fn discover_tests_in_module( continue; } let nav = f.try_to_nav(db).map(|r| r.call_site); - let fn_name = f.name(db).as_str().unwrap_or("[function without name]").to_owned(); + let fn_name = f.name(db).as_str().to_owned(); r.push(TestItem { id: format!("{prefix_id}::{fn_name}"), kind: TestItemKind::Function, @@ -153,7 +156,7 @@ fn find_module_id_and_test_parents( let parent = Some(id.clone()); id += "::"; let module_name = &module.name(sema.db); - let module_name = module_name.as_ref().and_then(|n| n.as_str()).unwrap_or("[mod without name]"); + let module_name = module_name.as_ref().map(|n| n.as_str()).unwrap_or("[mod without name]"); id += module_name; let nav = NavigationTarget::from_module_to_decl(sema.db, module).call_site; r.push(TestItem { diff --git a/crates/ide/src/view_memory_layout.rs b/crates/ide/src/view_memory_layout.rs index 826447d058..ad99c2162c 100644 --- a/crates/ide/src/view_memory_layout.rs +++ b/crates/ide/src/view_memory_layout.rs @@ -64,11 +64,7 @@ enum FieldOrTupleIdx { impl FieldOrTupleIdx { fn name(&self, db: &RootDatabase) -> String { match *self { - FieldOrTupleIdx::Field(f) => f - .name(db) - .as_str() - .map(|s| s.to_owned()) - .unwrap_or_else(|| format!(".{}", f.name(db).as_tuple_index().unwrap())), + FieldOrTupleIdx::Field(f) => f.name(db).as_str().to_owned(), FieldOrTupleIdx::TupleIdx(i) => format!(".{i}"), } } @@ -189,14 +185,7 @@ pub(crate) fn view_memory_layout( | Definition::SelfType(_) => "[ROOT]".to_owned(), // def is an item - def => def - .name(db) - .map(|n| { - n.as_str() - .map(|s| s.to_owned()) - .unwrap_or_else(|| format!(".{}", n.as_tuple_index().unwrap())) - }) - .unwrap_or("[ROOT]".to_owned()), + def => def.name(db).map(|n| n.as_str().to_owned()).unwrap_or("[ROOT]".to_owned()), }; let typename = ty.display(db).to_string(); diff --git a/crates/intern/src/lib.rs b/crates/intern/src/lib.rs index 868d03caff..58327419f6 100644 --- a/crates/intern/src/lib.rs +++ b/crates/intern/src/lib.rs @@ -21,7 +21,7 @@ type Guard<T> = dashmap::RwLockWriteGuard< >; mod symbol; -pub use self::symbol::{symbols, Symbol}; +pub use self::symbol::{symbols as sym, Symbol}; pub struct Interned<T: Internable + ?Sized> { arc: Arc<T>, diff --git a/crates/intern/src/symbol.rs b/crates/intern/src/symbol.rs index 290657a3d3..1517f516fc 100644 --- a/crates/intern/src/symbol.rs +++ b/crates/intern/src/symbol.rs @@ -1,5 +1,5 @@ //! Attempt at flexible symbol interning, allowing to intern and free strings at runtime while also -//! supporting +//! supporting compile time declaration of symbols that will never be freed. use std::{ borrow::Borrow, diff --git a/crates/intern/src/symbol/symbols.rs b/crates/intern/src/symbol/symbols.rs index a1cf6e0941..04bf4dff50 100644 --- a/crates/intern/src/symbol/symbols.rs +++ b/crates/intern/src/symbol/symbols.rs @@ -11,10 +11,13 @@ use crate::{ Symbol, }; macro_rules! define_symbols { - ($($name:ident),* $(,)?) => { + (@WITH_NAME: $($alias:ident = $value:literal),* $(,)? @PLAIN: $($name:ident),* $(,)?) => { $( pub const $name: Symbol = Symbol { repr: TaggedArcPtr::non_arc(&stringify!($name)) }; )* + $( + pub const $alias: Symbol = Symbol { repr: TaggedArcPtr::non_arc(&$value) }; + )* pub(super) fn prefill() -> DashMap<SymbolProxy, (), BuildHasherDefault<FxHasher>> { @@ -33,12 +36,45 @@ macro_rules! define_symbols { let shard_idx_ = dashmap_.determine_shard(hash_ as usize); dashmap_.shards_mut()[shard_idx_].get_mut().raw_entry_mut().from_hash(hash_, |k| k == &proxy_).insert(proxy_, SharedValue::new(())); )* + $( + + let proxy_ = SymbolProxy($alias.repr); + let hash_ = hash_thing_(dashmap_.hasher(), &proxy_); + let shard_idx_ = dashmap_.determine_shard(hash_ as usize); + dashmap_.shards_mut()[shard_idx_].get_mut().raw_entry_mut().from_hash(hash_, |k| k == &proxy_).insert(proxy_, SharedValue::new(())); + )* } dashmap_ } }; } define_symbols! { + @WITH_NAME: + + self_ = "self", + Self_ = "Self", + tick_static = "'static", + dollar_crate = "$crate", + MISSING_NAME = "[missing name]", + INTEGER_0 = "0", + INTEGER_1 = "1", + INTEGER_2 = "2", + INTEGER_3 = "3", + INTEGER_4 = "4", + INTEGER_5 = "5", + INTEGER_6 = "6", + INTEGER_7 = "7", + INTEGER_8 = "8", + INTEGER_9 = "9", + INTEGER_10 = "10", + INTEGER_11 = "11", + INTEGER_12 = "12", + INTEGER_13 = "13", + INTEGER_14 = "14", + INTEGER_15 = "15", + fn_ = "fn", + + @PLAIN: add_assign, add, alloc, @@ -52,10 +88,88 @@ define_symbols! { bitor, bitxor_assign, bitxor, + transmute_opts, + transmute_trait, + coerce_unsized, + dispatch_from_dyn,destruct, bool, + panic, + begin_panic, + panic_nounwind, + panic_fmt, + panic_misaligned_pointer_dereference, + panic_display, + const_panic_fmt, + panic_bounds_check, + panic_info, + panic_location, + panic_impl, + panic_cannot_unwind, + sized, + unsize, + format_alignment, + start, + format_argument, + format_arguments, + format_count, + format_placeholder, + format_unsafe_arg, + exchange_malloc, + box_free, + drop_in_place, + alloc_layout, + eh_personality, + eh_catch_typeinfo, + phantom_data, + manually_drop, + maybe_uninit, + align_offset, + termination, + tuple_trait, + slice_len_fn, + from_residual, + from_output, + from_yeet, + pointer_like, + const_param_ty, + Poll, + Ready, + Pending, + ResumeTy, + get_context, + Context, + Some, + Err, + Continue, + Break, + into_iter, + new_unchecked, + range_inclusive_new, + CStr, + fn_ptr_trait, + freeze, + coroutine_state, + c_void, + coroutine, + unpin, + pin, + fn_ptr_addr, + structural_teq, + fn_once_output, + copy, + clone, + sync, + discriminant_kind, Box, + structural_peq, boxed, branch, + discriminant_type, + pointee_trait, + metadata_type, + dyn_metadata, + deref_target, + receiver, call_mut, call_once, call, @@ -168,6 +282,7 @@ define_symbols! { not, Not, Ok, + opaque, ops, option_env, option, @@ -204,6 +319,9 @@ define_symbols! { rust_2018, rust_2021, rust_2024, + rustc_coherence_is_core, + rustc_macro_transparency, + semitransparent, shl_assign, shl, shr_assign, @@ -220,6 +338,7 @@ define_symbols! { test_case, test, trace_macros, + transparent, Try, u128, u16, |