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-rw-r--r--crates/ra_hir/src/code_model.rs4
-rw-r--r--crates/ra_hir_def/src/body/lower.rs4
-rw-r--r--crates/ra_hir_def/src/builtin_type.rs42
-rw-r--r--crates/ra_hir_def/src/data.rs4
-rw-r--r--crates/ra_hir_def/src/generics.rs6
-rw-r--r--crates/ra_hir_def/src/nameres/collector.rs4
-rw-r--r--crates/ra_hir_def/src/path.rs45
-rw-r--r--crates/ra_hir_def/src/resolver.rs16
-rw-r--r--crates/ra_hir_expand/src/builtin_derive.rs26
-rw-r--r--crates/ra_hir_expand/src/builtin_macro.rs16
-rw-r--r--crates/ra_hir_expand/src/name.rs166
-rw-r--r--crates/ra_hir_ty/src/autoderef.rs4
-rw-r--r--crates/ra_hir_ty/src/infer.rs12
-rw-r--r--crates/ra_hir_ty/src/infer/expr.rs4
-rw-r--r--crates/ra_hir_ty/src/traits/builtin.rs6
-rw-r--r--crates/ra_hir_ty/src/utils.rs6
16 files changed, 192 insertions, 173 deletions
diff --git a/crates/ra_hir/src/code_model.rs b/crates/ra_hir/src/code_model.rs
index c705d1630..d1153fa62 100644
--- a/crates/ra_hir/src/code_model.rs
+++ b/crates/ra_hir/src/code_model.rs
@@ -17,7 +17,7 @@ use hir_def::{
17}; 17};
18use hir_expand::{ 18use hir_expand::{
19 diagnostics::DiagnosticSink, 19 diagnostics::DiagnosticSink,
20 name::{self, AsName}, 20 name::{AsName, N},
21 MacroDefId, 21 MacroDefId,
22}; 22};
23use hir_ty::{ 23use hir_ty::{
@@ -723,7 +723,7 @@ impl Local {
723 } 723 }
724 724
725 pub fn is_self(self, db: &impl HirDatabase) -> bool { 725 pub fn is_self(self, db: &impl HirDatabase) -> bool {
726 self.name(db) == Some(name::SELF_PARAM) 726 self.name(db) == Some(N![self])
727 } 727 }
728 728
729 pub fn is_mut(self, db: &impl HirDatabase) -> bool { 729 pub fn is_mut(self, db: &impl HirDatabase) -> bool {
diff --git a/crates/ra_hir_def/src/body/lower.rs b/crates/ra_hir_def/src/body/lower.rs
index cc068ff94..6c760166f 100644
--- a/crates/ra_hir_def/src/body/lower.rs
+++ b/crates/ra_hir_def/src/body/lower.rs
@@ -2,7 +2,7 @@
2//! representation. 2//! representation.
3 3
4use either::Either; 4use either::Either;
5use hir_expand::name::{self, AsName, Name}; 5use hir_expand::name::{AsName, Name, N};
6use ra_arena::Arena; 6use ra_arena::Arena;
7use ra_syntax::{ 7use ra_syntax::{
8 ast::{ 8 ast::{
@@ -68,7 +68,7 @@ where
68 let ptr = AstPtr::new(&self_param); 68 let ptr = AstPtr::new(&self_param);
69 let param_pat = self.alloc_pat( 69 let param_pat = self.alloc_pat(
70 Pat::Bind { 70 Pat::Bind {
71 name: name::SELF_PARAM, 71 name: N![self],
72 mode: BindingAnnotation::Unannotated, 72 mode: BindingAnnotation::Unannotated,
73 subpat: None, 73 subpat: None,
74 }, 74 },
diff --git a/crates/ra_hir_def/src/builtin_type.rs b/crates/ra_hir_def/src/builtin_type.rs
index 5e8157144..757123f82 100644
--- a/crates/ra_hir_def/src/builtin_type.rs
+++ b/crates/ra_hir_def/src/builtin_type.rs
@@ -5,7 +5,7 @@
5 5
6use std::fmt; 6use std::fmt;
7 7
8use hir_expand::name::{self, Name}; 8use hir_expand::name::{Name, N};
9 9
10#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)] 10#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
11pub enum Signedness { 11pub enum Signedness {
@@ -52,26 +52,26 @@ pub enum BuiltinType {
52impl BuiltinType { 52impl BuiltinType {
53 #[rustfmt::skip] 53 #[rustfmt::skip]
54 pub const ALL: &'static [(Name, BuiltinType)] = &[ 54 pub const ALL: &'static [(Name, BuiltinType)] = &[
55 (name::CHAR, BuiltinType::Char), 55 (N![char], BuiltinType::Char),
56 (name::BOOL, BuiltinType::Bool), 56 (N![bool], BuiltinType::Bool),
57 (name::STR, BuiltinType::Str ), 57 (N![str], BuiltinType::Str),
58 58
59 (name::ISIZE, BuiltinType::Int(BuiltinInt::ISIZE)), 59 (N![isize], BuiltinType::Int(BuiltinInt::ISIZE)),
60 (name::I8, BuiltinType::Int(BuiltinInt::I8)), 60 (N![i8], BuiltinType::Int(BuiltinInt::I8)),
61 (name::I16, BuiltinType::Int(BuiltinInt::I16)), 61 (N![i16], BuiltinType::Int(BuiltinInt::I16)),
62 (name::I32, BuiltinType::Int(BuiltinInt::I32)), 62 (N![i32], BuiltinType::Int(BuiltinInt::I32)),
63 (name::I64, BuiltinType::Int(BuiltinInt::I64)), 63 (N![i64], BuiltinType::Int(BuiltinInt::I64)),
64 (name::I128, BuiltinType::Int(BuiltinInt::I128)), 64 (N![i128], BuiltinType::Int(BuiltinInt::I128)),
65 65
66 (name::USIZE, BuiltinType::Int(BuiltinInt::USIZE)), 66 (N![usize], BuiltinType::Int(BuiltinInt::USIZE)),
67 (name::U8, BuiltinType::Int(BuiltinInt::U8)), 67 (N![u8], BuiltinType::Int(BuiltinInt::U8)),
68 (name::U16, BuiltinType::Int(BuiltinInt::U16)), 68 (N![u16], BuiltinType::Int(BuiltinInt::U16)),
69 (name::U32, BuiltinType::Int(BuiltinInt::U32)), 69 (N![u32], BuiltinType::Int(BuiltinInt::U32)),
70 (name::U64, BuiltinType::Int(BuiltinInt::U64)), 70 (N![u64], BuiltinType::Int(BuiltinInt::U64)),
71 (name::U128, BuiltinType::Int(BuiltinInt::U128)), 71 (N![u128], BuiltinType::Int(BuiltinInt::U128)),
72 72
73 (name::F32, BuiltinType::Float(BuiltinFloat::F32)), 73 (N![f32], BuiltinType::Float(BuiltinFloat::F32)),
74 (name::F64, BuiltinType::Float(BuiltinFloat::F64)), 74 (N![f64], BuiltinType::Float(BuiltinFloat::F64)),
75 ]; 75 ];
76} 76}
77 77
diff --git a/crates/ra_hir_def/src/data.rs b/crates/ra_hir_def/src/data.rs
index b2dac183e..afeac0ec2 100644
--- a/crates/ra_hir_def/src/data.rs
+++ b/crates/ra_hir_def/src/data.rs
@@ -3,7 +3,7 @@
3use std::sync::Arc; 3use std::sync::Arc;
4 4
5use hir_expand::{ 5use hir_expand::{
6 name::{self, AsName, Name}, 6 name::{AsName, Name, N},
7 AstId, 7 AstId,
8}; 8};
9use ra_syntax::ast::{self, NameOwner, TypeAscriptionOwner}; 9use ra_syntax::ast::{self, NameOwner, TypeAscriptionOwner};
@@ -37,7 +37,7 @@ impl FunctionData {
37 let self_type = if let Some(type_ref) = self_param.ascribed_type() { 37 let self_type = if let Some(type_ref) = self_param.ascribed_type() {
38 TypeRef::from_ast(type_ref) 38 TypeRef::from_ast(type_ref)
39 } else { 39 } else {
40 let self_type = TypeRef::Path(name::SELF_TYPE.into()); 40 let self_type = TypeRef::Path(N![Self].into());
41 match self_param.kind() { 41 match self_param.kind() {
42 ast::SelfParamKind::Owned => self_type, 42 ast::SelfParamKind::Owned => self_type,
43 ast::SelfParamKind::Ref => { 43 ast::SelfParamKind::Ref => {
diff --git a/crates/ra_hir_def/src/generics.rs b/crates/ra_hir_def/src/generics.rs
index e502dd798..2b13748f3 100644
--- a/crates/ra_hir_def/src/generics.rs
+++ b/crates/ra_hir_def/src/generics.rs
@@ -6,7 +6,7 @@ use std::sync::Arc;
6 6
7use either::Either; 7use either::Either;
8use hir_expand::{ 8use hir_expand::{
9 name::{self, AsName, Name}, 9 name::{AsName, Name, N},
10 InFile, 10 InFile,
11}; 11};
12use ra_arena::{map::ArenaMap, Arena}; 12use ra_arena::{map::ArenaMap, Arena};
@@ -90,11 +90,11 @@ impl GenericParams {
90 90
91 // traits get the Self type as an implicit first type parameter 91 // traits get the Self type as an implicit first type parameter
92 let self_param_id = 92 let self_param_id =
93 generics.types.alloc(TypeParamData { name: name::SELF_TYPE, default: None }); 93 generics.types.alloc(TypeParamData { name: N![Self], default: None });
94 sm.insert(self_param_id, Either::Left(src.value.clone())); 94 sm.insert(self_param_id, Either::Left(src.value.clone()));
95 // add super traits as bounds on Self 95 // add super traits as bounds on Self
96 // i.e., trait Foo: Bar is equivalent to trait Foo where Self: Bar 96 // i.e., trait Foo: Bar is equivalent to trait Foo where Self: Bar
97 let self_param = TypeRef::Path(name::SELF_TYPE.into()); 97 let self_param = TypeRef::Path(N![Self].into());
98 generics.fill_bounds(&src.value, self_param); 98 generics.fill_bounds(&src.value, self_param);
99 99
100 generics.fill(&mut sm, &src.value); 100 generics.fill(&mut sm, &src.value);
diff --git a/crates/ra_hir_def/src/nameres/collector.rs b/crates/ra_hir_def/src/nameres/collector.rs
index 04aadead1..e81bac914 100644
--- a/crates/ra_hir_def/src/nameres/collector.rs
+++ b/crates/ra_hir_def/src/nameres/collector.rs
@@ -6,7 +6,7 @@
6use hir_expand::{ 6use hir_expand::{
7 builtin_derive::find_builtin_derive, 7 builtin_derive::find_builtin_derive,
8 builtin_macro::find_builtin_macro, 8 builtin_macro::find_builtin_macro,
9 name::{self, AsName, Name}, 9 name::{AsName, Name, N},
10 HirFileId, MacroCallId, MacroCallKind, MacroDefId, MacroDefKind, 10 HirFileId, MacroCallId, MacroCallKind, MacroDefId, MacroDefKind,
11}; 11};
12use ra_cfg::CfgOptions; 12use ra_cfg::CfgOptions;
@@ -918,7 +918,7 @@ where
918} 918}
919 919
920fn is_macro_rules(path: &Path) -> bool { 920fn is_macro_rules(path: &Path) -> bool {
921 path.as_ident() == Some(&name::MACRO_RULES) 921 path.as_ident() == Some(&N![macro_rules])
922} 922}
923 923
924#[cfg(test)] 924#[cfg(test)]
diff --git a/crates/ra_hir_def/src/path.rs b/crates/ra_hir_def/src/path.rs
index 50f0cad94..36ad27867 100644
--- a/crates/ra_hir_def/src/path.rs
+++ b/crates/ra_hir_def/src/path.rs
@@ -6,7 +6,7 @@ use std::{iter, sync::Arc};
6use either::Either; 6use either::Either;
7use hir_expand::{ 7use hir_expand::{
8 hygiene::Hygiene, 8 hygiene::Hygiene,
9 name::{self, AsName, Name}, 9 name::{AsName, Name, N},
10}; 10};
11use ra_db::CrateId; 11use ra_db::CrateId;
12use ra_syntax::{ 12use ra_syntax::{
@@ -276,7 +276,7 @@ impl GenericArgs {
276 } 276 }
277 if let Some(ret_type) = ret_type { 277 if let Some(ret_type) = ret_type {
278 let type_ref = TypeRef::from_ast_opt(ret_type.type_ref()); 278 let type_ref = TypeRef::from_ast_opt(ret_type.type_ref());
279 bindings.push((name::OUTPUT_TYPE, type_ref)) 279 bindings.push((N![Output], type_ref))
280 } 280 }
281 if args.is_empty() && bindings.is_empty() { 281 if args.is_empty() && bindings.is_empty() {
282 None 282 None
@@ -297,68 +297,63 @@ impl From<Name> for Path {
297} 297}
298 298
299pub mod known { 299pub mod known {
300 use hir_expand::name; 300 use hir_expand::name::N;
301 301
302 use super::{Path, PathKind}; 302 use super::{Path, PathKind};
303 303
304 macro_rules! P {
305 ($start:ident $(:: $seg:ident)*) => { Path::from_simple_segments(PathKind::Abs, vec![N![$start], $(N![$seg],)*]) };
306 }
307
304 pub fn std_iter_into_iterator() -> Path { 308 pub fn std_iter_into_iterator() -> Path {
305 Path::from_simple_segments( 309 P![std::iter::IntoIterator]
306 PathKind::Abs,
307 vec![name::STD, name::ITER, name::INTO_ITERATOR_TYPE],
308 )
309 } 310 }
310 311
311 pub fn std_ops_try() -> Path { 312 pub fn std_ops_try() -> Path {
312 Path::from_simple_segments(PathKind::Abs, vec![name::STD, name::OPS, name::TRY_TYPE]) 313 P![std::ops::Try]
313 } 314 }
314 315
315 pub fn std_ops_range() -> Path { 316 pub fn std_ops_range() -> Path {
316 Path::from_simple_segments(PathKind::Abs, vec![name::STD, name::OPS, name::RANGE_TYPE]) 317 P![std::ops::Range]
317 } 318 }
318 319
319 pub fn std_ops_range_from() -> Path { 320 pub fn std_ops_range_from() -> Path {
320 Path::from_simple_segments(PathKind::Abs, vec![name::STD, name::OPS, name::RANGE_FROM_TYPE]) 321 P![std::ops::RangeFrom]
321 } 322 }
322 323
323 pub fn std_ops_range_full() -> Path { 324 pub fn std_ops_range_full() -> Path {
324 Path::from_simple_segments(PathKind::Abs, vec![name::STD, name::OPS, name::RANGE_FULL_TYPE]) 325 P![std::ops::RangeFull]
325 } 326 }
326 327
327 pub fn std_ops_range_inclusive() -> Path { 328 pub fn std_ops_range_inclusive() -> Path {
328 Path::from_simple_segments( 329 P![std::ops::RangeInclusive]
329 PathKind::Abs,
330 vec![name::STD, name::OPS, name::RANGE_INCLUSIVE_TYPE],
331 )
332 } 330 }
333 331
334 pub fn std_ops_range_to() -> Path { 332 pub fn std_ops_range_to() -> Path {
335 Path::from_simple_segments(PathKind::Abs, vec![name::STD, name::OPS, name::RANGE_TO_TYPE]) 333 P![std::ops::RangeTo]
336 } 334 }
337 335
338 pub fn std_ops_range_to_inclusive() -> Path { 336 pub fn std_ops_range_to_inclusive() -> Path {
339 Path::from_simple_segments( 337 P![std::ops::RangeToInclusive]
340 PathKind::Abs,
341 vec![name::STD, name::OPS, name::RANGE_TO_INCLUSIVE_TYPE],
342 )
343 } 338 }
344 339
345 pub fn std_ops_neg() -> Path { 340 pub fn std_ops_neg() -> Path {
346 Path::from_simple_segments(PathKind::Abs, vec![name::STD, name::OPS, name::NEG_TYPE]) 341 P![std::ops::Neg]
347 } 342 }
348 343
349 pub fn std_ops_not() -> Path { 344 pub fn std_ops_not() -> Path {
350 Path::from_simple_segments(PathKind::Abs, vec![name::STD, name::OPS, name::NOT_TYPE]) 345 P![std::ops::Not]
351 } 346 }
352 347
353 pub fn std_result_result() -> Path { 348 pub fn std_result_result() -> Path {
354 Path::from_simple_segments(PathKind::Abs, vec![name::STD, name::RESULT, name::RESULT_TYPE]) 349 P![std::result::Result]
355 } 350 }
356 351
357 pub fn std_future_future() -> Path { 352 pub fn std_future_future() -> Path {
358 Path::from_simple_segments(PathKind::Abs, vec![name::STD, name::FUTURE, name::FUTURE_TYPE]) 353 P![std::future::Future]
359 } 354 }
360 355
361 pub fn std_boxed_box() -> Path { 356 pub fn std_boxed_box() -> Path {
362 Path::from_simple_segments(PathKind::Abs, vec![name::STD, name::BOXED, name::BOX_TYPE]) 357 P![std::boxed::Box]
363 } 358 }
364} 359}
diff --git a/crates/ra_hir_def/src/resolver.rs b/crates/ra_hir_def/src/resolver.rs
index 17b2169d2..0fb529527 100644
--- a/crates/ra_hir_def/src/resolver.rs
+++ b/crates/ra_hir_def/src/resolver.rs
@@ -2,7 +2,7 @@
2use std::sync::Arc; 2use std::sync::Arc;
3 3
4use hir_expand::{ 4use hir_expand::{
5 name::{self, Name}, 5 name::{Name, N},
6 MacroDefId, 6 MacroDefId,
7}; 7};
8use ra_db::CrateId; 8use ra_db::CrateId;
@@ -163,13 +163,13 @@ impl Resolver {
163 } 163 }
164 } 164 }
165 Scope::ImplBlockScope(impl_) => { 165 Scope::ImplBlockScope(impl_) => {
166 if first_name == &name::SELF_TYPE { 166 if first_name == &N![Self] {
167 let idx = if path.segments.len() == 1 { None } else { Some(1) }; 167 let idx = if path.segments.len() == 1 { None } else { Some(1) };
168 return Some((TypeNs::SelfType(*impl_), idx)); 168 return Some((TypeNs::SelfType(*impl_), idx));
169 } 169 }
170 } 170 }
171 Scope::AdtScope(adt) => { 171 Scope::AdtScope(adt) => {
172 if first_name == &name::SELF_TYPE { 172 if first_name == &N![Self] {
173 let idx = if path.segments.len() == 1 { None } else { Some(1) }; 173 let idx = if path.segments.len() == 1 { None } else { Some(1) };
174 return Some((TypeNs::AdtSelfType(*adt), idx)); 174 return Some((TypeNs::AdtSelfType(*adt), idx));
175 } 175 }
@@ -223,7 +223,7 @@ impl Resolver {
223 return None; 223 return None;
224 } 224 }
225 let n_segments = path.segments.len(); 225 let n_segments = path.segments.len();
226 let tmp = name::SELF_PARAM; 226 let tmp = N![self];
227 let first_name = if path.is_self() { &tmp } else { &path.segments.first()?.name }; 227 let first_name = if path.is_self() { &tmp } else { &path.segments.first()?.name };
228 let skip_to_mod = path.kind != PathKind::Plain && !path.is_self(); 228 let skip_to_mod = path.kind != PathKind::Plain && !path.is_self();
229 for scope in self.scopes.iter().rev() { 229 for scope in self.scopes.iter().rev() {
@@ -259,13 +259,13 @@ impl Resolver {
259 Scope::GenericParams { .. } => continue, 259 Scope::GenericParams { .. } => continue,
260 260
261 Scope::ImplBlockScope(impl_) if n_segments > 1 => { 261 Scope::ImplBlockScope(impl_) if n_segments > 1 => {
262 if first_name == &name::SELF_TYPE { 262 if first_name == &N![Self] {
263 let ty = TypeNs::SelfType(*impl_); 263 let ty = TypeNs::SelfType(*impl_);
264 return Some(ResolveValueResult::Partial(ty, 1)); 264 return Some(ResolveValueResult::Partial(ty, 1));
265 } 265 }
266 } 266 }
267 Scope::AdtScope(adt) if n_segments > 1 => { 267 Scope::AdtScope(adt) if n_segments > 1 => {
268 if first_name == &name::SELF_TYPE { 268 if first_name == &N![Self] {
269 let ty = TypeNs::AdtSelfType(*adt); 269 let ty = TypeNs::AdtSelfType(*adt);
270 return Some(ResolveValueResult::Partial(ty, 1)); 270 return Some(ResolveValueResult::Partial(ty, 1));
271 } 271 }
@@ -439,10 +439,10 @@ impl Scope {
439 } 439 }
440 } 440 }
441 Scope::ImplBlockScope(i) => { 441 Scope::ImplBlockScope(i) => {
442 f(name::SELF_TYPE, ScopeDef::ImplSelfType((*i).into())); 442 f(N![Self], ScopeDef::ImplSelfType((*i).into()));
443 } 443 }
444 Scope::AdtScope(i) => { 444 Scope::AdtScope(i) => {
445 f(name::SELF_TYPE, ScopeDef::AdtSelfType((*i).into())); 445 f(N![Self], ScopeDef::AdtSelfType((*i).into()));
446 } 446 }
447 Scope::ExprScope(scope) => { 447 Scope::ExprScope(scope) => {
448 scope.expr_scopes.entries(scope.scope_id).iter().for_each(|e| { 448 scope.expr_scopes.entries(scope.scope_id).iter().for_each(|e| {
diff --git a/crates/ra_hir_expand/src/builtin_derive.rs b/crates/ra_hir_expand/src/builtin_derive.rs
index 574637602..d7f8ada78 100644
--- a/crates/ra_hir_expand/src/builtin_derive.rs
+++ b/crates/ra_hir_expand/src/builtin_derive.rs
@@ -12,10 +12,10 @@ use crate::db::AstDatabase;
12use crate::{name, quote, MacroCallId, MacroDefId, MacroDefKind}; 12use crate::{name, quote, MacroCallId, MacroDefId, MacroDefKind};
13 13
14macro_rules! register_builtin { 14macro_rules! register_builtin {
15 ( $(($name:ident, $kind: ident) => $expand:ident),* ) => { 15 ( $($trait:ident => $expand:ident),* ) => {
16 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] 16 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
17 pub enum BuiltinDeriveExpander { 17 pub enum BuiltinDeriveExpander {
18 $($kind),* 18 $($trait),*
19 } 19 }
20 20
21 impl BuiltinDeriveExpander { 21 impl BuiltinDeriveExpander {
@@ -26,7 +26,7 @@ macro_rules! register_builtin {
26 tt: &tt::Subtree, 26 tt: &tt::Subtree,
27 ) -> Result<tt::Subtree, mbe::ExpandError> { 27 ) -> Result<tt::Subtree, mbe::ExpandError> {
28 let expander = match *self { 28 let expander = match *self {
29 $( BuiltinDeriveExpander::$kind => $expand, )* 29 $( BuiltinDeriveExpander::$trait => $expand, )*
30 }; 30 };
31 expander(db, id, tt) 31 expander(db, id, tt)
32 } 32 }
@@ -34,7 +34,7 @@ macro_rules! register_builtin {
34 34
35 pub fn find_builtin_derive(ident: &name::Name) -> Option<MacroDefId> { 35 pub fn find_builtin_derive(ident: &name::Name) -> Option<MacroDefId> {
36 let kind = match ident { 36 let kind = match ident {
37 $( id if id == &name::$name => BuiltinDeriveExpander::$kind, )* 37 $( id if id == &name::N![$trait] => BuiltinDeriveExpander::$trait, )*
38 _ => return None, 38 _ => return None,
39 }; 39 };
40 40
@@ -44,15 +44,15 @@ macro_rules! register_builtin {
44} 44}
45 45
46register_builtin! { 46register_builtin! {
47 (COPY_TRAIT, Copy) => copy_expand, 47 Copy => copy_expand,
48 (CLONE_TRAIT, Clone) => clone_expand, 48 Clone => clone_expand,
49 (DEFAULT_TRAIT, Default) => default_expand, 49 Default => default_expand,
50 (DEBUG_TRAIT, Debug) => debug_expand, 50 Debug => debug_expand,
51 (HASH_TRAIT, Hash) => hash_expand, 51 Hash => hash_expand,
52 (ORD_TRAIT, Ord) => ord_expand, 52 Ord => ord_expand,
53 (PARTIAL_ORD_TRAIT, PartialOrd) => partial_ord_expand, 53 PartialOrd => partial_ord_expand,
54 (EQ_TRAIT, Eq) => eq_expand, 54 Eq => eq_expand,
55 (PARTIAL_EQ_TRAIT, PartialEq) => partial_eq_expand 55 PartialEq => partial_eq_expand
56} 56}
57 57
58struct BasicAdtInfo { 58struct BasicAdtInfo {
diff --git a/crates/ra_hir_expand/src/builtin_macro.rs b/crates/ra_hir_expand/src/builtin_macro.rs
index be5f3cbe3..e5046ad4c 100644
--- a/crates/ra_hir_expand/src/builtin_macro.rs
+++ b/crates/ra_hir_expand/src/builtin_macro.rs
@@ -34,7 +34,7 @@ macro_rules! register_builtin {
34 ast_id: AstId<ast::MacroCall>, 34 ast_id: AstId<ast::MacroCall>,
35 ) -> Option<MacroDefId> { 35 ) -> Option<MacroDefId> {
36 let kind = match ident { 36 let kind = match ident {
37 $( id if id == &name::$name => BuiltinFnLikeExpander::$kind, )* 37 $( id if id == &name::N![$name] => BuiltinFnLikeExpander::$kind, )*
38 _ => return None, 38 _ => return None,
39 }; 39 };
40 40
@@ -44,15 +44,15 @@ macro_rules! register_builtin {
44} 44}
45 45
46register_builtin! { 46register_builtin! {
47 (COLUMN_MACRO, Column) => column_expand, 47 (column, Column) => column_expand,
48 (COMPILE_ERROR_MACRO, CompileError) => compile_error_expand, 48 (compile_error, CompileError) => compile_error_expand,
49 (FILE_MACRO, File) => file_expand, 49 (file, File) => file_expand,
50 (LINE_MACRO, Line) => line_expand, 50 (line, Line) => line_expand,
51 (STRINGIFY_MACRO, Stringify) => stringify_expand, 51 (stringify, Stringify) => stringify_expand,
52 (FORMAT_ARGS_MACRO, FormatArgs) => format_args_expand, 52 (format_args, FormatArgs) => format_args_expand,
53 // format_args_nl only differs in that it adds a newline in the end, 53 // format_args_nl only differs in that it adds a newline in the end,
54 // so we use the same stub expansion for now 54 // so we use the same stub expansion for now
55 (FORMAT_ARGS_NL_MACRO, FormatArgsNl) => format_args_expand 55 (format_args_nl, FormatArgsNl) => format_args_expand
56} 56}
57 57
58fn to_line_number(db: &dyn AstDatabase, file: HirFileId, pos: TextUnit) -> usize { 58fn to_line_number(db: &dyn AstDatabase, file: HirFileId, pos: TextUnit) -> usize {
diff --git a/crates/ra_hir_expand/src/name.rs b/crates/ra_hir_expand/src/name.rs
index 9e68dd98d..8b3141d75 100644
--- a/crates/ra_hir_expand/src/name.rs
+++ b/crates/ra_hir_expand/src/name.rs
@@ -104,73 +104,99 @@ impl AsName for ra_db::Dependency {
104 } 104 }
105} 105}
106 106
107// Primitives 107pub mod known {
108pub const ISIZE: Name = Name::new_inline_ascii(b"isize"); 108 macro_rules! known_names {
109pub const I8: Name = Name::new_inline_ascii(b"i8"); 109 ($($ident:ident),* $(,)?) => {
110pub const I16: Name = Name::new_inline_ascii(b"i16"); 110 $(
111pub const I32: Name = Name::new_inline_ascii(b"i32"); 111 #[allow(bad_style)]
112pub const I64: Name = Name::new_inline_ascii(b"i64"); 112 pub const $ident: super::Name =
113pub const I128: Name = Name::new_inline_ascii(b"i128"); 113 super::Name::new_inline_ascii(stringify!($ident).as_bytes());
114pub const USIZE: Name = Name::new_inline_ascii(b"usize"); 114 )*
115pub const U8: Name = Name::new_inline_ascii(b"u8"); 115 };
116pub const U16: Name = Name::new_inline_ascii(b"u16"); 116 }
117pub const U32: Name = Name::new_inline_ascii(b"u32"); 117
118pub const U64: Name = Name::new_inline_ascii(b"u64"); 118 known_names!(
119pub const U128: Name = Name::new_inline_ascii(b"u128"); 119 // Primitives
120pub const F32: Name = Name::new_inline_ascii(b"f32"); 120 isize,
121pub const F64: Name = Name::new_inline_ascii(b"f64"); 121 i8,
122pub const BOOL: Name = Name::new_inline_ascii(b"bool"); 122 i16,
123pub const CHAR: Name = Name::new_inline_ascii(b"char"); 123 i32,
124pub const STR: Name = Name::new_inline_ascii(b"str"); 124 i64,
125 125 i128,
126// Special names 126 usize,
127pub const SELF_PARAM: Name = Name::new_inline_ascii(b"self"); 127 u8,
128pub const SELF_TYPE: Name = Name::new_inline_ascii(b"Self"); 128 u16,
129pub const MACRO_RULES: Name = Name::new_inline_ascii(b"macro_rules"); 129 u32,
130 130 u64,
131// Components of known path (value or mod name) 131 u128,
132pub const STD: Name = Name::new_inline_ascii(b"std"); 132 f32,
133pub const ITER: Name = Name::new_inline_ascii(b"iter"); 133 f64,
134pub const OPS: Name = Name::new_inline_ascii(b"ops"); 134 bool,
135pub const FUTURE: Name = Name::new_inline_ascii(b"future"); 135 char,
136pub const RESULT: Name = Name::new_inline_ascii(b"result"); 136 str,
137pub const BOXED: Name = Name::new_inline_ascii(b"boxed"); 137 // Special names
138 138 macro_rules,
139// Components of known path (type name) 139 // Components of known path (value or mod name)
140pub const INTO_ITERATOR_TYPE: Name = Name::new_inline_ascii(b"IntoIterator"); 140 std,
141pub const ITEM_TYPE: Name = Name::new_inline_ascii(b"Item"); 141 iter,
142pub const TRY_TYPE: Name = Name::new_inline_ascii(b"Try"); 142 ops,
143pub const OK_TYPE: Name = Name::new_inline_ascii(b"Ok"); 143 future,
144pub const FUTURE_TYPE: Name = Name::new_inline_ascii(b"Future"); 144 result,
145pub const RESULT_TYPE: Name = Name::new_inline_ascii(b"Result"); 145 boxed,
146pub const OUTPUT_TYPE: Name = Name::new_inline_ascii(b"Output"); 146 // Components of known path (type name)
147pub const TARGET_TYPE: Name = Name::new_inline_ascii(b"Target"); 147 IntoIterator,
148pub const BOX_TYPE: Name = Name::new_inline_ascii(b"Box"); 148 Item,
149pub const RANGE_FROM_TYPE: Name = Name::new_inline_ascii(b"RangeFrom"); 149 Try,
150pub const RANGE_FULL_TYPE: Name = Name::new_inline_ascii(b"RangeFull"); 150 Ok,
151pub const RANGE_INCLUSIVE_TYPE: Name = Name::new_inline_ascii(b"RangeInclusive"); 151 Future,
152pub const RANGE_TO_INCLUSIVE_TYPE: Name = Name::new_inline_ascii(b"RangeToInclusive"); 152 Result,
153pub const RANGE_TO_TYPE: Name = Name::new_inline_ascii(b"RangeTo"); 153 Output,
154pub const RANGE_TYPE: Name = Name::new_inline_ascii(b"Range"); 154 Target,
155pub const NEG_TYPE: Name = Name::new_inline_ascii(b"Neg"); 155 Box,
156pub const NOT_TYPE: Name = Name::new_inline_ascii(b"Not"); 156 RangeFrom,
157 157 RangeFull,
158// Builtin Macros 158 RangeInclusive,
159pub const FILE_MACRO: Name = Name::new_inline_ascii(b"file"); 159 RangeToInclusive,
160pub const COLUMN_MACRO: Name = Name::new_inline_ascii(b"column"); 160 RangeTo,
161pub const COMPILE_ERROR_MACRO: Name = Name::new_inline_ascii(b"compile_error"); 161 Range,
162pub const LINE_MACRO: Name = Name::new_inline_ascii(b"line"); 162 Neg,
163pub const STRINGIFY_MACRO: Name = Name::new_inline_ascii(b"stringify"); 163 Not,
164pub const FORMAT_ARGS_MACRO: Name = Name::new_inline_ascii(b"format_args"); 164 // Builtin macros
165pub const FORMAT_ARGS_NL_MACRO: Name = Name::new_inline_ascii(b"format_args_nl"); 165 file,
166 166 column,
167// Builtin derives 167 compile_error,
168pub const COPY_TRAIT: Name = Name::new_inline_ascii(b"Copy"); 168 line,
169pub const CLONE_TRAIT: Name = Name::new_inline_ascii(b"Clone"); 169 stringify,
170pub const DEFAULT_TRAIT: Name = Name::new_inline_ascii(b"Default"); 170 format_args,
171pub const DEBUG_TRAIT: Name = Name::new_inline_ascii(b"Debug"); 171 format_args_nl,
172pub const HASH_TRAIT: Name = Name::new_inline_ascii(b"Hash"); 172 // Builtin derives
173pub const ORD_TRAIT: Name = Name::new_inline_ascii(b"Ord"); 173 Copy,
174pub const PARTIAL_ORD_TRAIT: Name = Name::new_inline_ascii(b"PartialOrd"); 174 Clone,
175pub const EQ_TRAIT: Name = Name::new_inline_ascii(b"Eq"); 175 Default,
176pub const PARTIAL_EQ_TRAIT: Name = Name::new_inline_ascii(b"PartialEq"); 176 Debug,
177 Hash,
178 Ord,
179 PartialOrd,
180 Eq,
181 PartialEq,
182 );
183
184 // self/Self cannot be used as an identifier
185 pub const SELF_PARAM: super::Name = super::Name::new_inline_ascii(b"self");
186 pub const SELF_TYPE: super::Name = super::Name::new_inline_ascii(b"Self");
187
188 #[macro_export]
189 macro_rules! N {
190 (self) => {
191 $crate::name::known::SELF_PARAM
192 };
193 (Self) => {
194 $crate::name::known::SELF_TYPE
195 };
196 ($ident:ident) => {
197 $crate::name::known::$ident
198 };
199 }
200}
201
202pub use crate::N;
diff --git a/crates/ra_hir_ty/src/autoderef.rs b/crates/ra_hir_ty/src/autoderef.rs
index d557962b4..04822d56e 100644
--- a/crates/ra_hir_ty/src/autoderef.rs
+++ b/crates/ra_hir_ty/src/autoderef.rs
@@ -6,7 +6,7 @@
6use std::iter::successors; 6use std::iter::successors;
7 7
8use hir_def::lang_item::LangItemTarget; 8use hir_def::lang_item::LangItemTarget;
9use hir_expand::name; 9use hir_expand::name::N;
10use log::{info, warn}; 10use log::{info, warn};
11use ra_db::CrateId; 11use ra_db::CrateId;
12 12
@@ -52,7 +52,7 @@ fn deref_by_trait(
52 LangItemTarget::TraitId(it) => it, 52 LangItemTarget::TraitId(it) => it,
53 _ => return None, 53 _ => return None,
54 }; 54 };
55 let target = db.trait_data(deref_trait).associated_type_by_name(&name::TARGET_TYPE)?; 55 let target = db.trait_data(deref_trait).associated_type_by_name(&N![Target])?;
56 56
57 let generic_params = generics(db, target.into()); 57 let generic_params = generics(db, target.into());
58 if generic_params.len() != 1 { 58 if generic_params.len() != 1 {
diff --git a/crates/ra_hir_ty/src/infer.rs b/crates/ra_hir_ty/src/infer.rs
index a1201b3e4..bb366bb8b 100644
--- a/crates/ra_hir_ty/src/infer.rs
+++ b/crates/ra_hir_ty/src/infer.rs
@@ -29,7 +29,7 @@ use hir_def::{
29 type_ref::{Mutability, TypeRef}, 29 type_ref::{Mutability, TypeRef},
30 AdtId, AssocItemId, DefWithBodyId, FunctionId, StructFieldId, TypeAliasId, VariantId, 30 AdtId, AssocItemId, DefWithBodyId, FunctionId, StructFieldId, TypeAliasId, VariantId,
31}; 31};
32use hir_expand::{diagnostics::DiagnosticSink, name}; 32use hir_expand::{diagnostics::DiagnosticSink, name::N};
33use ra_arena::map::ArenaMap; 33use ra_arena::map::ArenaMap;
34use ra_prof::profile; 34use ra_prof::profile;
35 35
@@ -424,31 +424,31 @@ impl<'a, D: HirDatabase> InferenceContext<'a, D> {
424 fn resolve_into_iter_item(&self) -> Option<TypeAliasId> { 424 fn resolve_into_iter_item(&self) -> Option<TypeAliasId> {
425 let path = known::std_iter_into_iterator(); 425 let path = known::std_iter_into_iterator();
426 let trait_ = self.resolver.resolve_known_trait(self.db, &path)?; 426 let trait_ = self.resolver.resolve_known_trait(self.db, &path)?;
427 self.db.trait_data(trait_).associated_type_by_name(&name::ITEM_TYPE) 427 self.db.trait_data(trait_).associated_type_by_name(&N![Item])
428 } 428 }
429 429
430 fn resolve_ops_try_ok(&self) -> Option<TypeAliasId> { 430 fn resolve_ops_try_ok(&self) -> Option<TypeAliasId> {
431 let path = known::std_ops_try(); 431 let path = known::std_ops_try();
432 let trait_ = self.resolver.resolve_known_trait(self.db, &path)?; 432 let trait_ = self.resolver.resolve_known_trait(self.db, &path)?;
433 self.db.trait_data(trait_).associated_type_by_name(&name::OK_TYPE) 433 self.db.trait_data(trait_).associated_type_by_name(&N![Ok])
434 } 434 }
435 435
436 fn resolve_ops_neg_output(&self) -> Option<TypeAliasId> { 436 fn resolve_ops_neg_output(&self) -> Option<TypeAliasId> {
437 let path = known::std_ops_neg(); 437 let path = known::std_ops_neg();
438 let trait_ = self.resolver.resolve_known_trait(self.db, &path)?; 438 let trait_ = self.resolver.resolve_known_trait(self.db, &path)?;
439 self.db.trait_data(trait_).associated_type_by_name(&name::OUTPUT_TYPE) 439 self.db.trait_data(trait_).associated_type_by_name(&N![Output])
440 } 440 }
441 441
442 fn resolve_ops_not_output(&self) -> Option<TypeAliasId> { 442 fn resolve_ops_not_output(&self) -> Option<TypeAliasId> {
443 let path = known::std_ops_not(); 443 let path = known::std_ops_not();
444 let trait_ = self.resolver.resolve_known_trait(self.db, &path)?; 444 let trait_ = self.resolver.resolve_known_trait(self.db, &path)?;
445 self.db.trait_data(trait_).associated_type_by_name(&name::OUTPUT_TYPE) 445 self.db.trait_data(trait_).associated_type_by_name(&N![Output])
446 } 446 }
447 447
448 fn resolve_future_future_output(&self) -> Option<TypeAliasId> { 448 fn resolve_future_future_output(&self) -> Option<TypeAliasId> {
449 let path = known::std_future_future(); 449 let path = known::std_future_future();
450 let trait_ = self.resolver.resolve_known_trait(self.db, &path)?; 450 let trait_ = self.resolver.resolve_known_trait(self.db, &path)?;
451 self.db.trait_data(trait_).associated_type_by_name(&name::OUTPUT_TYPE) 451 self.db.trait_data(trait_).associated_type_by_name(&N![Output])
452 } 452 }
453 453
454 fn resolve_boxed_box(&self) -> Option<AdtId> { 454 fn resolve_boxed_box(&self) -> Option<AdtId> {
diff --git a/crates/ra_hir_ty/src/infer/expr.rs b/crates/ra_hir_ty/src/infer/expr.rs
index f8c00a7b4..a6f5c6ec3 100644
--- a/crates/ra_hir_ty/src/infer/expr.rs
+++ b/crates/ra_hir_ty/src/infer/expr.rs
@@ -10,7 +10,7 @@ use hir_def::{
10 resolver::resolver_for_expr, 10 resolver::resolver_for_expr,
11 AdtId, ContainerId, Lookup, StructFieldId, 11 AdtId, ContainerId, Lookup, StructFieldId,
12}; 12};
13use hir_expand::name::{self, Name}; 13use hir_expand::name::{Name, N};
14use ra_syntax::ast::RangeOp; 14use ra_syntax::ast::RangeOp;
15 15
16use crate::{ 16use crate::{
@@ -631,7 +631,7 @@ impl<'a, D: HirDatabase> InferenceContext<'a, D> {
631 // Parent arguments are unknown, except for the receiver type 631 // Parent arguments are unknown, except for the receiver type
632 if let Some(parent_generics) = def_generics.as_ref().map(|p| p.iter_parent()) { 632 if let Some(parent_generics) = def_generics.as_ref().map(|p| p.iter_parent()) {
633 for (_id, param) in parent_generics { 633 for (_id, param) in parent_generics {
634 if param.name == name::SELF_TYPE { 634 if param.name == N![Self] {
635 substs.push(receiver_ty.clone()); 635 substs.push(receiver_ty.clone());
636 } else { 636 } else {
637 substs.push(Ty::Unknown); 637 substs.push(Ty::Unknown);
diff --git a/crates/ra_hir_ty/src/traits/builtin.rs b/crates/ra_hir_ty/src/traits/builtin.rs
index 598fd81e3..27c475a3c 100644
--- a/crates/ra_hir_ty/src/traits/builtin.rs
+++ b/crates/ra_hir_ty/src/traits/builtin.rs
@@ -1,7 +1,7 @@
1//! This module provides the built-in trait implementations, e.g. to make 1//! This module provides the built-in trait implementations, e.g. to make
2//! closures implement `Fn`. 2//! closures implement `Fn`.
3use hir_def::{expr::Expr, lang_item::LangItemTarget, TraitId, TypeAliasId}; 3use hir_def::{expr::Expr, lang_item::LangItemTarget, TraitId, TypeAliasId};
4use hir_expand::name; 4use hir_expand::name::N;
5use ra_db::CrateId; 5use ra_db::CrateId;
6 6
7use super::{AssocTyValue, Impl}; 7use super::{AssocTyValue, Impl};
@@ -79,7 +79,7 @@ fn closure_fn_trait_impl_datum(
79 // and don't want to return a valid value only to find out later that FnOnce 79 // and don't want to return a valid value only to find out later that FnOnce
80 // is broken 80 // is broken
81 let fn_once_trait = get_fn_trait(db, krate, super::FnTrait::FnOnce)?; 81 let fn_once_trait = get_fn_trait(db, krate, super::FnTrait::FnOnce)?;
82 let _output = db.trait_data(fn_once_trait).associated_type_by_name(&name::OUTPUT_TYPE)?; 82 let _output = db.trait_data(fn_once_trait).associated_type_by_name(&N![Output])?;
83 83
84 let num_args: u16 = match &db.body(data.def.into())[data.expr] { 84 let num_args: u16 = match &db.body(data.def.into())[data.expr] {
85 Expr::Lambda { args, .. } => args.len() as u16, 85 Expr::Lambda { args, .. } => args.len() as u16,
@@ -137,7 +137,7 @@ fn closure_fn_trait_output_assoc_ty_value(
137 137
138 let output_ty_id = db 138 let output_ty_id = db
139 .trait_data(fn_once_trait) 139 .trait_data(fn_once_trait)
140 .associated_type_by_name(&name::OUTPUT_TYPE) 140 .associated_type_by_name(&N![Output])
141 .expect("assoc ty value should not exist"); 141 .expect("assoc ty value should not exist");
142 142
143 BuiltinImplAssocTyValueData { 143 BuiltinImplAssocTyValueData {
diff --git a/crates/ra_hir_ty/src/utils.rs b/crates/ra_hir_ty/src/utils.rs
index aeb211a91..fabf45b53 100644
--- a/crates/ra_hir_ty/src/utils.rs
+++ b/crates/ra_hir_ty/src/utils.rs
@@ -10,10 +10,8 @@ use hir_def::{
10 type_ref::TypeRef, 10 type_ref::TypeRef,
11 ContainerId, GenericDefId, Lookup, TraitId, TypeAliasId, TypeParamId, VariantId, 11 ContainerId, GenericDefId, Lookup, TraitId, TypeAliasId, TypeParamId, VariantId,
12}; 12};
13use hir_expand::name::{self, Name}; 13use hir_expand::name::{Name, N};
14 14
15// FIXME: this is wrong, b/c it can't express `trait T: PartialEq<()>`.
16// We should return a `TraitREf` here.
17fn direct_super_traits(db: &impl DefDatabase, trait_: TraitId) -> Vec<TraitId> { 15fn direct_super_traits(db: &impl DefDatabase, trait_: TraitId) -> Vec<TraitId> {
18 let resolver = trait_.resolver(db); 16 let resolver = trait_.resolver(db);
19 // returning the iterator directly doesn't easily work because of 17 // returning the iterator directly doesn't easily work because of
@@ -24,7 +22,7 @@ fn direct_super_traits(db: &impl DefDatabase, trait_: TraitId) -> Vec<TraitId> {
24 .where_predicates 22 .where_predicates
25 .iter() 23 .iter()
26 .filter_map(|pred| match &pred.type_ref { 24 .filter_map(|pred| match &pred.type_ref {
27 TypeRef::Path(p) if p.as_ident() == Some(&name::SELF_TYPE) => pred.bound.as_path(), 25 TypeRef::Path(p) if p.as_ident() == Some(&N![Self]) => pred.bound.as_path(),
28 _ => None, 26 _ => None,
29 }) 27 })
30 .filter_map(|path| match resolver.resolve_path_in_type_ns_fully(db, path) { 28 .filter_map(|path| match resolver.resolve_path_in_type_ns_fully(db, path) {