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-rw-r--r--crates/ide/src/syntax_highlighting/highlight.rs182
-rw-r--r--crates/ide/src/syntax_highlighting/tags.rs51
-rw-r--r--crates/ide/src/syntax_highlighting/test_data/highlight_assoc_functions.html12
-rw-r--r--crates/ide/src/syntax_highlighting/test_data/highlight_doctest.html12
-rw-r--r--crates/ide/src/syntax_highlighting/test_data/highlight_injection.html2
-rw-r--r--crates/ide/src/syntax_highlighting/test_data/highlight_unsafe.html6
-rw-r--r--crates/ide/src/syntax_highlighting/test_data/highlighting.html32
7 files changed, 147 insertions, 150 deletions
diff --git a/crates/ide/src/syntax_highlighting/highlight.rs b/crates/ide/src/syntax_highlighting/highlight.rs
index 18552459b..8731699dc 100644
--- a/crates/ide/src/syntax_highlighting/highlight.rs
+++ b/crates/ide/src/syntax_highlighting/highlight.rs
@@ -1,6 +1,6 @@
1//! Computes color for a single element. 1//! Computes color for a single element.
2 2
3use hir::{AsAssocItem, AssocItemContainer, Semantics, VariantDef}; 3use hir::{AsAssocItem, Semantics};
4use ide_db::{ 4use ide_db::{
5 defs::{Definition, NameClass, NameRefClass}, 5 defs::{Definition, NameClass, NameRefClass},
6 RootDatabase, SymbolKind, 6 RootDatabase, SymbolKind,
@@ -45,28 +45,26 @@ pub(super) fn element(
45 }; 45 };
46 46
47 match name_kind { 47 match name_kind {
48 Some(NameClass::ExternCrate(_)) => HlTag::Symbol(SymbolKind::Module).into(), 48 Some(NameClass::ExternCrate(_)) => SymbolKind::Module.into(),
49 Some(NameClass::Definition(def)) => highlight_def(db, def) | HlMod::Definition, 49 Some(NameClass::Definition(def)) => highlight_def(db, def) | HlMod::Definition,
50 Some(NameClass::ConstReference(def)) => highlight_def(db, def), 50 Some(NameClass::ConstReference(def)) => highlight_def(db, def),
51 Some(NameClass::PatFieldShorthand { field_ref, .. }) => { 51 Some(NameClass::PatFieldShorthand { field_ref, .. }) => {
52 let mut h = HlTag::Symbol(SymbolKind::Field).into(); 52 let mut h = HlTag::Symbol(SymbolKind::Field).into();
53 if let Definition::Field(field) = field_ref { 53 if let Definition::Field(field) = field_ref {
54 if let VariantDef::Union(_) = field.parent_def(db) { 54 if let hir::VariantDef::Union(_) = field.parent_def(db) {
55 h |= HlMod::Unsafe; 55 h |= HlMod::Unsafe;
56 } 56 }
57 } 57 }
58
59 h 58 h
60 } 59 }
61 None => highlight_name_by_syntax(name) | HlMod::Definition, 60 None => highlight_name_by_syntax(name) | HlMod::Definition,
62 } 61 }
63 } 62 }
64
65 // Highlight references like the definitions they resolve to 63 // Highlight references like the definitions they resolve to
66 NAME_REF if element.ancestors().any(|it| it.kind() == ATTR) => { 64 NAME_REF if element.ancestors().any(|it| it.kind() == ATTR) => {
67 // even though we track whether we are in an attribute or not we still need this special case 65 // even though we track whether we are in an attribute or not we still need this special case
68 // as otherwise we would emit unresolved references for name refs inside attributes 66 // as otherwise we would emit unresolved references for name refs inside attributes
69 Highlight::from(HlTag::Symbol(SymbolKind::Function)) 67 SymbolKind::Function.into()
70 } 68 }
71 NAME_REF => { 69 NAME_REF => {
72 let name_ref = element.into_node().and_then(ast::NameRef::cast).unwrap(); 70 let name_ref = element.into_node().and_then(ast::NameRef::cast).unwrap();
@@ -74,7 +72,7 @@ pub(super) fn element(
74 let is_self = name_ref.self_token().is_some(); 72 let is_self = name_ref.self_token().is_some();
75 let h = match NameRefClass::classify(sema, &name_ref) { 73 let h = match NameRefClass::classify(sema, &name_ref) {
76 Some(name_kind) => match name_kind { 74 Some(name_kind) => match name_kind {
77 NameRefClass::ExternCrate(_) => HlTag::Symbol(SymbolKind::Module).into(), 75 NameRefClass::ExternCrate(_) => SymbolKind::Module.into(),
78 NameRefClass::Definition(def) => { 76 NameRefClass::Definition(def) => {
79 if let Definition::Local(local) = &def { 77 if let Definition::Local(local) = &def {
80 if let Some(name) = local.name(db) { 78 if let Some(name) = local.name(db) {
@@ -95,7 +93,7 @@ pub(super) fn element(
95 if let Some(parent) = name_ref.syntax().parent() { 93 if let Some(parent) = name_ref.syntax().parent() {
96 if matches!(parent.kind(), FIELD_EXPR | RECORD_PAT_FIELD) { 94 if matches!(parent.kind(), FIELD_EXPR | RECORD_PAT_FIELD) {
97 if let Definition::Field(field) = def { 95 if let Definition::Field(field) = def {
98 if let VariantDef::Union(_) = field.parent_def(db) { 96 if let hir::VariantDef::Union(_) = field.parent_def(db) {
99 h |= HlMod::Unsafe; 97 h |= HlMod::Unsafe;
100 } 98 }
101 } 99 }
@@ -104,9 +102,7 @@ pub(super) fn element(
104 102
105 h 103 h
106 } 104 }
107 NameRefClass::FieldShorthand { .. } => { 105 NameRefClass::FieldShorthand { .. } => SymbolKind::Field.into(),
108 HlTag::Symbol(SymbolKind::Field).into()
109 }
110 }, 106 },
111 None if syntactic_name_ref_highlighting => { 107 None if syntactic_name_ref_highlighting => {
112 highlight_name_ref_by_syntax(name_ref, sema) 108 highlight_name_ref_by_syntax(name_ref, sema)
@@ -114,7 +110,7 @@ pub(super) fn element(
114 None => HlTag::UnresolvedReference.into(), 110 None => HlTag::UnresolvedReference.into(),
115 }; 111 };
116 if h.tag == HlTag::Symbol(SymbolKind::Module) && is_self { 112 if h.tag == HlTag::Symbol(SymbolKind::Module) && is_self {
117 HlTag::Symbol(SymbolKind::SelfParam).into() 113 SymbolKind::SelfParam.into()
118 } else { 114 } else {
119 h 115 h
120 } 116 }
@@ -135,7 +131,7 @@ pub(super) fn element(
135 INT_NUMBER | FLOAT_NUMBER => HlTag::NumericLiteral.into(), 131 INT_NUMBER | FLOAT_NUMBER => HlTag::NumericLiteral.into(),
136 BYTE => HlTag::ByteLiteral.into(), 132 BYTE => HlTag::ByteLiteral.into(),
137 CHAR => HlTag::CharLiteral.into(), 133 CHAR => HlTag::CharLiteral.into(),
138 QUESTION => Highlight::new(HlTag::Operator(HlOperator::Other)) | HlMod::ControlFlow, 134 QUESTION => HlTag::Operator(HlOperator::Other) | HlMod::ControlFlow,
139 LIFETIME => { 135 LIFETIME => {
140 let lifetime = element.into_node().and_then(ast::Lifetime::cast).unwrap(); 136 let lifetime = element.into_node().and_then(ast::Lifetime::cast).unwrap();
141 137
@@ -143,44 +139,31 @@ pub(super) fn element(
143 Some(NameClass::Definition(def)) => highlight_def(db, def) | HlMod::Definition, 139 Some(NameClass::Definition(def)) => highlight_def(db, def) | HlMod::Definition,
144 None => match NameRefClass::classify_lifetime(sema, &lifetime) { 140 None => match NameRefClass::classify_lifetime(sema, &lifetime) {
145 Some(NameRefClass::Definition(def)) => highlight_def(db, def), 141 Some(NameRefClass::Definition(def)) => highlight_def(db, def),
146 _ => Highlight::new(HlTag::Symbol(SymbolKind::LifetimeParam)), 142 _ => SymbolKind::LifetimeParam.into(),
147 }, 143 },
148 _ => Highlight::new(HlTag::Symbol(SymbolKind::LifetimeParam)) | HlMod::Definition, 144 _ => Highlight::from(SymbolKind::LifetimeParam) | HlMod::Definition,
149 } 145 }
150 } 146 }
151 p if p.is_punct() => match p { 147 p if p.is_punct() => match p {
152 T![&] if element.parent().and_then(ast::BinExpr::cast).is_some() => { 148 T![&] if parent_matches::<ast::BinExpr>(&element) => HlOperator::Bitwise.into(),
153 HlTag::Operator(HlOperator::Bitwise).into()
154 }
155 T![&] => { 149 T![&] => {
156 let h = HlTag::Operator(HlOperator::Other).into(); 150 let h = HlTag::Operator(HlOperator::Other).into();
157 let is_unsafe = element 151 let is_unsafe = element
158 .parent() 152 .parent()
159 .and_then(ast::RefExpr::cast) 153 .and_then(ast::RefExpr::cast)
160 .map(|ref_expr| sema.is_unsafe_ref_expr(&ref_expr)) 154 .map_or(false, |ref_expr| sema.is_unsafe_ref_expr(&ref_expr));
161 .unwrap_or(false);
162 if is_unsafe { 155 if is_unsafe {
163 h | HlMod::Unsafe 156 h | HlMod::Unsafe
164 } else { 157 } else {
165 h 158 h
166 } 159 }
167 } 160 }
168 T![::] | T![->] | T![=>] | T![..] | T![=] | T![@] | T![.] => { 161 T![::] | T![->] | T![=>] | T![..] | T![=] | T![@] | T![.] => HlOperator::Other.into(),
169 HlTag::Operator(HlOperator::Other).into() 162 T![!] if parent_matches::<ast::MacroCall>(&element) => SymbolKind::Macro.into(),
170 } 163 T![!] if parent_matches::<ast::NeverType>(&element) => HlTag::BuiltinType.into(),
171 T![!] if element.parent().and_then(ast::MacroCall::cast).is_some() => { 164 T![!] if parent_matches::<ast::PrefixExpr>(&element) => HlOperator::Logical.into(),
172 HlTag::Symbol(SymbolKind::Macro).into() 165 T![*] if parent_matches::<ast::PtrType>(&element) => HlTag::Keyword.into(),
173 } 166 T![*] if parent_matches::<ast::PrefixExpr>(&element) => {
174 T![!] if element.parent().and_then(ast::NeverType::cast).is_some() => {
175 HlTag::BuiltinType.into()
176 }
177 T![!] if element.parent().and_then(ast::PrefixExpr::cast).is_some() => {
178 HlTag::Operator(HlOperator::Logical).into()
179 }
180 T![*] if element.parent().and_then(ast::PtrType::cast).is_some() => {
181 HlTag::Keyword.into()
182 }
183 T![*] if element.parent().and_then(ast::PrefixExpr::cast).is_some() => {
184 let prefix_expr = element.parent().and_then(ast::PrefixExpr::cast)?; 167 let prefix_expr = element.parent().and_then(ast::PrefixExpr::cast)?;
185 168
186 let expr = prefix_expr.expr()?; 169 let expr = prefix_expr.expr()?;
@@ -188,12 +171,12 @@ pub(super) fn element(
188 if ty.is_raw_ptr() { 171 if ty.is_raw_ptr() {
189 HlTag::Operator(HlOperator::Other) | HlMod::Unsafe 172 HlTag::Operator(HlOperator::Other) | HlMod::Unsafe
190 } else if let Some(ast::PrefixOp::Deref) = prefix_expr.op_kind() { 173 } else if let Some(ast::PrefixOp::Deref) = prefix_expr.op_kind() {
191 HlTag::Operator(HlOperator::Other).into() 174 HlOperator::Other.into()
192 } else { 175 } else {
193 HlTag::Punctuation(HlPunct::Other).into() 176 HlPunct::Other.into()
194 } 177 }
195 } 178 }
196 T![-] if element.parent().and_then(ast::PrefixExpr::cast).is_some() => { 179 T![-] if parent_matches::<ast::PrefixExpr>(&element) => {
197 let prefix_expr = element.parent().and_then(ast::PrefixExpr::cast)?; 180 let prefix_expr = element.parent().and_then(ast::PrefixExpr::cast)?;
198 181
199 let expr = prefix_expr.expr()?; 182 let expr = prefix_expr.expr()?;
@@ -203,41 +186,31 @@ pub(super) fn element(
203 } 186 }
204 .into() 187 .into()
205 } 188 }
206 _ if element.parent().and_then(ast::PrefixExpr::cast).is_some() => { 189 _ if parent_matches::<ast::PrefixExpr>(&element) => HlOperator::Other.into(),
207 HlTag::Operator(HlOperator::Other).into()
208 }
209 T![+] | T![-] | T![*] | T![/] | T![+=] | T![-=] | T![*=] | T![/=] 190 T![+] | T![-] | T![*] | T![/] | T![+=] | T![-=] | T![*=] | T![/=]
210 if element.parent().and_then(ast::BinExpr::cast).is_some() => 191 if parent_matches::<ast::BinExpr>(&element) =>
211 { 192 {
212 HlTag::Operator(HlOperator::Arithmetic).into() 193 HlOperator::Arithmetic.into()
213 } 194 }
214 T![|] | T![&] | T![!] | T![^] | T![|=] | T![&=] | T![^=] 195 T![|] | T![&] | T![!] | T![^] | T![|=] | T![&=] | T![^=]
215 if element.parent().and_then(ast::BinExpr::cast).is_some() => 196 if parent_matches::<ast::BinExpr>(&element) =>
216 { 197 {
217 HlTag::Operator(HlOperator::Bitwise).into() 198 HlOperator::Bitwise.into()
218 } 199 }
219 T![&&] | T![||] if element.parent().and_then(ast::BinExpr::cast).is_some() => { 200 T![&&] | T![||] if parent_matches::<ast::BinExpr>(&element) => {
220 HlTag::Operator(HlOperator::Logical).into() 201 HlOperator::Logical.into()
221 } 202 }
222 T![>] | T![<] | T![==] | T![>=] | T![<=] | T![!=] 203 T![>] | T![<] | T![==] | T![>=] | T![<=] | T![!=]
223 if element.parent().and_then(ast::BinExpr::cast).is_some() => 204 if parent_matches::<ast::BinExpr>(&element) =>
224 { 205 {
225 HlTag::Operator(HlOperator::Comparison).into() 206 HlOperator::Comparison.into()
226 }
227 _ if element.parent().and_then(ast::BinExpr::cast).is_some() => {
228 HlTag::Operator(HlOperator::Other).into()
229 } 207 }
230 _ if element.parent().and_then(ast::RangeExpr::cast).is_some() => { 208 _ if parent_matches::<ast::BinExpr>(&element) => HlOperator::Other.into(),
231 HlTag::Operator(HlOperator::Other).into() 209 _ if parent_matches::<ast::RangeExpr>(&element) => HlOperator::Other.into(),
232 } 210 _ if parent_matches::<ast::RangePat>(&element) => HlOperator::Other.into(),
233 _ if element.parent().and_then(ast::RangePat::cast).is_some() => { 211 _ if parent_matches::<ast::RestPat>(&element) => HlOperator::Other.into(),
234 HlTag::Operator(HlOperator::Other).into() 212 _ if parent_matches::<ast::Attr>(&element) => HlTag::Attribute.into(),
235 } 213 kind => match kind {
236 _ if element.parent().and_then(ast::RestPat::cast).is_some() => {
237 HlTag::Operator(HlOperator::Other).into()
238 }
239 _ if element.parent().and_then(ast::Attr::cast).is_some() => HlTag::Attribute.into(),
240 kind => HlTag::Punctuation(match kind {
241 T!['['] | T![']'] => HlPunct::Bracket, 214 T!['['] | T![']'] => HlPunct::Bracket,
242 T!['{'] | T!['}'] => HlPunct::Brace, 215 T!['{'] | T!['}'] => HlPunct::Brace,
243 T!['('] | T![')'] => HlPunct::Parenthesis, 216 T!['('] | T![')'] => HlPunct::Parenthesis,
@@ -247,22 +220,24 @@ pub(super) fn element(
247 T![;] => HlPunct::Semi, 220 T![;] => HlPunct::Semi,
248 T![.] => HlPunct::Dot, 221 T![.] => HlPunct::Dot,
249 _ => HlPunct::Other, 222 _ => HlPunct::Other,
250 }) 223 }
251 .into(), 224 .into(),
252 }, 225 },
253 226
254 k if k.is_keyword() => { 227 k if k.is_keyword() => {
255 let h = Highlight::new(HlTag::Keyword); 228 let h = Highlight::new(HlTag::Keyword);
256 match k { 229 match k {
257 T![break] 230 T![await]
231 | T![break]
258 | T![continue] 232 | T![continue]
259 | T![else] 233 | T![else]
260 | T![if] 234 | T![if]
235 | T![in]
261 | T![loop] 236 | T![loop]
262 | T![match] 237 | T![match]
263 | T![return] 238 | T![return]
264 | T![while] 239 | T![while]
265 | T![in] => h | HlMod::ControlFlow, 240 | T![yield] => h | HlMod::ControlFlow,
266 T![for] if !is_child_of_impl(&element) => h | HlMod::ControlFlow, 241 T![for] if !is_child_of_impl(&element) => h | HlMod::ControlFlow,
267 T![unsafe] => h | HlMod::Unsafe, 242 T![unsafe] => h | HlMod::Unsafe,
268 T![true] | T![false] => HlTag::BoolLiteral.into(), 243 T![true] | T![false] => HlTag::BoolLiteral.into(),
@@ -301,7 +276,6 @@ pub(super) fn element(
301 hash((name, shadow_count)) 276 hash((name, shadow_count))
302 } 277 }
303} 278}
304
305fn highlight_def(db: &RootDatabase, def: Definition) -> Highlight { 279fn highlight_def(db: &RootDatabase, def: Definition) -> Highlight {
306 match def { 280 match def {
307 Definition::Macro(_) => HlTag::Symbol(SymbolKind::Macro), 281 Definition::Macro(_) => HlTag::Symbol(SymbolKind::Macro),
@@ -317,12 +291,12 @@ fn highlight_def(db: &RootDatabase, def: Definition) -> Highlight {
317 } 291 }
318 292
319 match item.container(db) { 293 match item.container(db) {
320 AssocItemContainer::Impl(i) => { 294 hir::AssocItemContainer::Impl(i) => {
321 if i.trait_(db).is_some() { 295 if i.trait_(db).is_some() {
322 h |= HlMod::Trait; 296 h |= HlMod::Trait;
323 } 297 }
324 } 298 }
325 AssocItemContainer::Trait(_t) => { 299 hir::AssocItemContainer::Trait(_t) => {
326 h |= HlMod::Trait; 300 h |= HlMod::Trait;
327 } 301 }
328 } 302 }
@@ -342,12 +316,12 @@ fn highlight_def(db: &RootDatabase, def: Definition) -> Highlight {
342 if let Some(item) = konst.as_assoc_item(db) { 316 if let Some(item) = konst.as_assoc_item(db) {
343 h |= HlMod::Associated; 317 h |= HlMod::Associated;
344 match item.container(db) { 318 match item.container(db) {
345 AssocItemContainer::Impl(i) => { 319 hir::AssocItemContainer::Impl(i) => {
346 if i.trait_(db).is_some() { 320 if i.trait_(db).is_some() {
347 h |= HlMod::Trait; 321 h |= HlMod::Trait;
348 } 322 }
349 } 323 }
350 AssocItemContainer::Trait(_t) => { 324 hir::AssocItemContainer::Trait(_t) => {
351 h |= HlMod::Trait; 325 h |= HlMod::Trait;
352 } 326 }
353 } 327 }
@@ -361,12 +335,12 @@ fn highlight_def(db: &RootDatabase, def: Definition) -> Highlight {
361 if let Some(item) = type_.as_assoc_item(db) { 335 if let Some(item) = type_.as_assoc_item(db) {
362 h |= HlMod::Associated; 336 h |= HlMod::Associated;
363 match item.container(db) { 337 match item.container(db) {
364 AssocItemContainer::Impl(i) => { 338 hir::AssocItemContainer::Impl(i) => {
365 if i.trait_(db).is_some() { 339 if i.trait_(db).is_some() {
366 h |= HlMod::Trait; 340 h |= HlMod::Trait;
367 } 341 }
368 } 342 }
369 AssocItemContainer::Trait(_t) => { 343 hir::AssocItemContainer::Trait(_t) => {
370 h |= HlMod::Trait; 344 h |= HlMod::Trait;
371 } 345 }
372 } 346 }
@@ -425,7 +399,7 @@ fn highlight_method_call(
425 method_call: &ast::MethodCallExpr, 399 method_call: &ast::MethodCallExpr,
426) -> Option<Highlight> { 400) -> Option<Highlight> {
427 let func = sema.resolve_method_call(&method_call)?; 401 let func = sema.resolve_method_call(&method_call)?;
428 let mut h = HlTag::Symbol(SymbolKind::Function).into(); 402 let mut h = SymbolKind::Function.into();
429 h |= HlMod::Associated; 403 h |= HlMod::Associated;
430 if func.is_unsafe(sema.db) || sema.is_unsafe_method_call(&method_call) { 404 if func.is_unsafe(sema.db) || sema.is_unsafe_method_call(&method_call) {
431 h |= HlMod::Unsafe; 405 h |= HlMod::Unsafe;
@@ -461,20 +435,20 @@ fn highlight_name_by_syntax(name: ast::Name) -> Highlight {
461 }; 435 };
462 436
463 let tag = match parent.kind() { 437 let tag = match parent.kind() {
464 STRUCT => HlTag::Symbol(SymbolKind::Struct), 438 STRUCT => SymbolKind::Struct,
465 ENUM => HlTag::Symbol(SymbolKind::Enum), 439 ENUM => SymbolKind::Enum,
466 VARIANT => HlTag::Symbol(SymbolKind::Variant), 440 VARIANT => SymbolKind::Variant,
467 UNION => HlTag::Symbol(SymbolKind::Union), 441 UNION => SymbolKind::Union,
468 TRAIT => HlTag::Symbol(SymbolKind::Trait), 442 TRAIT => SymbolKind::Trait,
469 TYPE_ALIAS => HlTag::Symbol(SymbolKind::TypeAlias), 443 TYPE_ALIAS => SymbolKind::TypeAlias,
470 TYPE_PARAM => HlTag::Symbol(SymbolKind::TypeParam), 444 TYPE_PARAM => SymbolKind::TypeParam,
471 RECORD_FIELD => HlTag::Symbol(SymbolKind::Field), 445 RECORD_FIELD => SymbolKind::Field,
472 MODULE => HlTag::Symbol(SymbolKind::Module), 446 MODULE => SymbolKind::Module,
473 FN => HlTag::Symbol(SymbolKind::Function), 447 FN => SymbolKind::Function,
474 CONST => HlTag::Symbol(SymbolKind::Const), 448 CONST => SymbolKind::Const,
475 STATIC => HlTag::Symbol(SymbolKind::Static), 449 STATIC => SymbolKind::Static,
476 IDENT_PAT => HlTag::Symbol(SymbolKind::Local), 450 IDENT_PAT => SymbolKind::Local,
477 _ => default, 451 _ => return default.into(),
478 }; 452 };
479 453
480 tag.into() 454 tag.into()
@@ -492,20 +466,15 @@ fn highlight_name_ref_by_syntax(name: ast::NameRef, sema: &Semantics<RootDatabas
492 METHOD_CALL_EXPR => { 466 METHOD_CALL_EXPR => {
493 return ast::MethodCallExpr::cast(parent) 467 return ast::MethodCallExpr::cast(parent)
494 .and_then(|it| highlight_method_call(sema, &it)) 468 .and_then(|it| highlight_method_call(sema, &it))
495 .unwrap_or_else(|| HlTag::Symbol(SymbolKind::Function).into()); 469 .unwrap_or_else(|| SymbolKind::Function.into());
496 } 470 }
497 FIELD_EXPR => { 471 FIELD_EXPR => {
498 let h = HlTag::Symbol(SymbolKind::Field); 472 let h = HlTag::Symbol(SymbolKind::Field);
499 let is_union = ast::FieldExpr::cast(parent) 473 let is_union = ast::FieldExpr::cast(parent)
500 .and_then(|field_expr| { 474 .and_then(|field_expr| sema.resolve_field(&field_expr))
501 let field = sema.resolve_field(&field_expr)?; 475 .map_or(false, |field| {
502 Some(if let VariantDef::Union(_) = field.parent_def(sema.db) { 476 matches!(field.parent_def(sema.db), hir::VariantDef::Union(_))
503 true 477 });
504 } else {
505 false
506 })
507 })
508 .unwrap_or(false);
509 if is_union { 478 if is_union {
510 h | HlMod::Unsafe 479 h | HlMod::Unsafe
511 } else { 480 } else {
@@ -522,9 +491,9 @@ fn highlight_name_ref_by_syntax(name: ast::NameRef, sema: &Semantics<RootDatabas
522 _ => { 491 _ => {
523 // within path, decide whether it is module or adt by checking for uppercase name 492 // within path, decide whether it is module or adt by checking for uppercase name
524 return if name.text().chars().next().unwrap_or_default().is_uppercase() { 493 return if name.text().chars().next().unwrap_or_default().is_uppercase() {
525 HlTag::Symbol(SymbolKind::Struct) 494 SymbolKind::Struct
526 } else { 495 } else {
527 HlTag::Symbol(SymbolKind::Module) 496 SymbolKind::Module
528 } 497 }
529 .into(); 498 .into();
530 } 499 }
@@ -535,11 +504,11 @@ fn highlight_name_ref_by_syntax(name: ast::NameRef, sema: &Semantics<RootDatabas
535 }; 504 };
536 505
537 match parent.kind() { 506 match parent.kind() {
538 CALL_EXPR => HlTag::Symbol(SymbolKind::Function).into(), 507 CALL_EXPR => SymbolKind::Function.into(),
539 _ => if name.text().chars().next().unwrap_or_default().is_uppercase() { 508 _ => if name.text().chars().next().unwrap_or_default().is_uppercase() {
540 HlTag::Symbol(SymbolKind::Struct) 509 SymbolKind::Struct
541 } else { 510 } else {
542 HlTag::Symbol(SymbolKind::Const) 511 SymbolKind::Const
543 } 512 }
544 .into(), 513 .into(),
545 } 514 }
@@ -574,6 +543,11 @@ fn parents_match(mut node: NodeOrToken<SyntaxNode, SyntaxToken>, mut kinds: &[Sy
574 kinds.len() == 0 543 kinds.len() == 0
575} 544}
576 545
546#[inline]
547fn parent_matches<N: AstNode>(element: &SyntaxElement) -> bool {
548 element.parent().map_or(false, |it| N::can_cast(it.kind()))
549}
550
577fn is_child_of_impl(element: &SyntaxElement) -> bool { 551fn is_child_of_impl(element: &SyntaxElement) -> bool {
578 match element.parent() { 552 match element.parent() {
579 Some(e) => e.kind() == IMPL, 553 Some(e) => e.kind() == IMPL,
diff --git a/crates/ide/src/syntax_highlighting/tags.rs b/crates/ide/src/syntax_highlighting/tags.rs
index e58392d67..a304b3250 100644
--- a/crates/ide/src/syntax_highlighting/tags.rs
+++ b/crates/ide/src/syntax_highlighting/tags.rs
@@ -40,28 +40,33 @@ pub enum HlTag {
40#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord)] 40#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord)]
41#[repr(u8)] 41#[repr(u8)]
42pub enum HlMod { 42pub enum HlMod {
43 /// Used for items in traits and impls.
44 Associated = 0,
43 /// Used to differentiate individual elements within attributes. 45 /// Used to differentiate individual elements within attributes.
44 Attribute = 0, 46 Attribute,
47 /// Callable item or value.
48 Callable,
49 /// Value that is being consumed in a function call
50 Consuming,
45 /// Used with keywords like `if` and `break`. 51 /// Used with keywords like `if` and `break`.
46 ControlFlow, 52 ControlFlow,
47 /// `foo` in `fn foo(x: i32)` is a definition, `foo` in `foo(90 + 2)` is 53 /// `foo` in `fn foo(x: i32)` is a definition, `foo` in `foo(90 + 2)` is
48 /// not. 54 /// not.
49 Definition, 55 Definition,
56 /// Doc-strings like this one.
50 Documentation, 57 Documentation,
58 /// Highlighting injection like rust code in doc strings or ra_fixture.
51 Injected, 59 Injected,
52 Mutable,
53 Consuming,
54 Callable,
55 /// Used for associated functions
56 Static,
57 /// Used for items in impls&traits.
58 Associated,
59 /// Used for intra doc links in doc injection. 60 /// Used for intra doc links in doc injection.
60 IntraDocLink, 61 IntraDocLink,
62 /// Mutable binding.
63 Mutable,
64 /// Used for associated functions.
65 Static,
61 /// Used for items in traits and trait impls. 66 /// Used for items in traits and trait impls.
62 Trait, 67 Trait,
63 68 // Keep this last!
64 /// Keep this last! 69 /// Used for unsafe functions, mutable statics, union accesses and unsafe operations.
65 Unsafe, 70 Unsafe,
66} 71}
67 72
@@ -169,17 +174,17 @@ impl fmt::Display for HlTag {
169 174
170impl HlMod { 175impl HlMod {
171 const ALL: &'static [HlMod; HlMod::Unsafe as u8 as usize + 1] = &[ 176 const ALL: &'static [HlMod; HlMod::Unsafe as u8 as usize + 1] = &[
177 HlMod::Associated,
172 HlMod::Attribute, 178 HlMod::Attribute,
179 HlMod::Callable,
180 HlMod::Consuming,
173 HlMod::ControlFlow, 181 HlMod::ControlFlow,
174 HlMod::Definition, 182 HlMod::Definition,
175 HlMod::Documentation, 183 HlMod::Documentation,
176 HlMod::IntraDocLink,
177 HlMod::Injected, 184 HlMod::Injected,
185 HlMod::IntraDocLink,
178 HlMod::Mutable, 186 HlMod::Mutable,
179 HlMod::Consuming,
180 HlMod::Callable,
181 HlMod::Static, 187 HlMod::Static,
182 HlMod::Associated,
183 HlMod::Trait, 188 HlMod::Trait,
184 HlMod::Unsafe, 189 HlMod::Unsafe,
185 ]; 190 ];
@@ -229,6 +234,24 @@ impl From<HlTag> for Highlight {
229 } 234 }
230} 235}
231 236
237impl From<HlOperator> for Highlight {
238 fn from(op: HlOperator) -> Highlight {
239 Highlight::new(HlTag::Operator(op))
240 }
241}
242
243impl From<HlPunct> for Highlight {
244 fn from(punct: HlPunct) -> Highlight {
245 Highlight::new(HlTag::Punctuation(punct))
246 }
247}
248
249impl From<SymbolKind> for Highlight {
250 fn from(sym: SymbolKind) -> Highlight {
251 Highlight::new(HlTag::Symbol(sym))
252 }
253}
254
232impl Highlight { 255impl Highlight {
233 pub(crate) fn new(tag: HlTag) -> Highlight { 256 pub(crate) fn new(tag: HlTag) -> Highlight {
234 Highlight { tag, mods: HlMods::default() } 257 Highlight { tag, mods: HlMods::default() }
diff --git a/crates/ide/src/syntax_highlighting/test_data/highlight_assoc_functions.html b/crates/ide/src/syntax_highlighting/test_data/highlight_assoc_functions.html
index 8cde3906c..a0ea1db34 100644
--- a/crates/ide/src/syntax_highlighting/test_data/highlight_assoc_functions.html
+++ b/crates/ide/src/syntax_highlighting/test_data/highlight_assoc_functions.html
@@ -42,17 +42,17 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
42<span class="keyword">struct</span> <span class="struct declaration">foo</span> <span class="brace">{</span><span class="brace">}</span> 42<span class="keyword">struct</span> <span class="struct declaration">foo</span> <span class="brace">{</span><span class="brace">}</span>
43 43
44<span class="keyword">impl</span> <span class="struct">foo</span> <span class="brace">{</span> 44<span class="keyword">impl</span> <span class="struct">foo</span> <span class="brace">{</span>
45 <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration static associated">is_static</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span> 45 <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function associated declaration static">is_static</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
46 <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration associated">is_not_static</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span> 46 <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function associated declaration">is_not_static</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
47<span class="brace">}</span> 47<span class="brace">}</span>
48 48
49<span class="keyword">trait</span> <span class="trait declaration">t</span> <span class="brace">{</span> 49<span class="keyword">trait</span> <span class="trait declaration">t</span> <span class="brace">{</span>
50 <span class="keyword">fn</span> <span class="function declaration static associated trait">t_is_static</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span> 50 <span class="keyword">fn</span> <span class="function associated declaration static trait">t_is_static</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
51 <span class="keyword">fn</span> <span class="function declaration associated trait">t_is_not_static</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span> 51 <span class="keyword">fn</span> <span class="function associated declaration trait">t_is_not_static</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
52<span class="brace">}</span> 52<span class="brace">}</span>
53 53
54<span class="keyword">impl</span> <span class="trait">t</span> <span class="keyword">for</span> <span class="struct">foo</span> <span class="brace">{</span> 54<span class="keyword">impl</span> <span class="trait">t</span> <span class="keyword">for</span> <span class="struct">foo</span> <span class="brace">{</span>
55 <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration static associated trait">is_static</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span> 55 <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function associated declaration static trait">is_static</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
56 <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration associated trait">is_not_static</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span> 56 <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function associated declaration trait">is_not_static</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
57<span class="brace">}</span> 57<span class="brace">}</span>
58 </code></pre> \ No newline at end of file 58 </code></pre> \ No newline at end of file
diff --git a/crates/ide/src/syntax_highlighting/test_data/highlight_doctest.html b/crates/ide/src/syntax_highlighting/test_data/highlight_doctest.html
index 6ee6d85fb..638f42c2f 100644
--- a/crates/ide/src/syntax_highlighting/test_data/highlight_doctest.html
+++ b/crates/ide/src/syntax_highlighting/test_data/highlight_doctest.html
@@ -50,7 +50,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
50 <span class="comment">// KILLER WHALE</span> 50 <span class="comment">// KILLER WHALE</span>
51 <span class="comment documentation">/// </span><span class="string_literal injected"> Ishmael."</span><span class="semicolon injected">;</span> 51 <span class="comment documentation">/// </span><span class="string_literal injected"> Ishmael."</span><span class="semicolon injected">;</span>
52 <span class="comment documentation">/// ```</span> 52 <span class="comment documentation">/// ```</span>
53 <span class="keyword">pub</span> <span class="keyword">const</span> <span class="constant declaration associated">bar</span><span class="colon">:</span> <span class="builtin_type">bool</span> <span class="operator">=</span> <span class="bool_literal">true</span><span class="semicolon">;</span> 53 <span class="keyword">pub</span> <span class="keyword">const</span> <span class="constant associated declaration">bar</span><span class="colon">:</span> <span class="builtin_type">bool</span> <span class="operator">=</span> <span class="bool_literal">true</span><span class="semicolon">;</span>
54 54
55 <span class="comment documentation">/// Constructs a new `Foo`.</span> 55 <span class="comment documentation">/// Constructs a new `Foo`.</span>
56 <span class="comment documentation">///</span> 56 <span class="comment documentation">///</span>
@@ -60,7 +60,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
60 <span class="comment documentation">/// #</span><span class="none injected"> </span><span class="attribute attribute injected">#</span><span class="attribute attribute injected">!</span><span class="attribute attribute injected">[</span><span class="function attribute injected">allow</span><span class="parenthesis attribute injected">(</span><span class="attribute attribute injected">unused_mut</span><span class="parenthesis attribute injected">)</span><span class="attribute attribute injected">]</span> 60 <span class="comment documentation">/// #</span><span class="none injected"> </span><span class="attribute attribute injected">#</span><span class="attribute attribute injected">!</span><span class="attribute attribute injected">[</span><span class="function attribute injected">allow</span><span class="parenthesis attribute injected">(</span><span class="attribute attribute injected">unused_mut</span><span class="parenthesis attribute injected">)</span><span class="attribute attribute injected">]</span>
61 <span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="none injected"> </span><span class="keyword injected">mut</span><span class="none injected"> </span><span class="variable declaration injected mutable">foo</span><span class="colon injected">:</span><span class="none injected"> </span><span class="struct injected">Foo</span><span class="none injected"> </span><span class="operator injected">=</span><span class="none injected"> </span><span class="struct injected">Foo</span><span class="operator injected">::</span><span class="function injected">new</span><span class="parenthesis injected">(</span><span class="parenthesis injected">)</span><span class="semicolon injected">;</span> 61 <span class="comment documentation">/// </span><span class="keyword injected">let</span><span class="none injected"> </span><span class="keyword injected">mut</span><span class="none injected"> </span><span class="variable declaration injected mutable">foo</span><span class="colon injected">:</span><span class="none injected"> </span><span class="struct injected">Foo</span><span class="none injected"> </span><span class="operator injected">=</span><span class="none injected"> </span><span class="struct injected">Foo</span><span class="operator injected">::</span><span class="function injected">new</span><span class="parenthesis injected">(</span><span class="parenthesis injected">)</span><span class="semicolon injected">;</span>
62 <span class="comment documentation">/// ```</span> 62 <span class="comment documentation">/// ```</span>
63 <span class="keyword">pub</span> <span class="keyword">const</span> <span class="keyword">fn</span> <span class="function declaration static associated">new</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="struct">Foo</span> <span class="brace">{</span> 63 <span class="keyword">pub</span> <span class="keyword">const</span> <span class="keyword">fn</span> <span class="function associated declaration static">new</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="struct">Foo</span> <span class="brace">{</span>
64 <span class="struct">Foo</span> <span class="brace">{</span> <span class="field">bar</span><span class="colon">:</span> <span class="bool_literal">true</span> <span class="brace">}</span> 64 <span class="struct">Foo</span> <span class="brace">{</span> <span class="field">bar</span><span class="colon">:</span> <span class="bool_literal">true</span> <span class="brace">}</span>
65 <span class="brace">}</span> 65 <span class="brace">}</span>
66 66
@@ -94,15 +94,15 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
94 <span class="comment documentation">/// ```sh</span> 94 <span class="comment documentation">/// ```sh</span>
95 <span class="comment documentation">/// echo 1</span> 95 <span class="comment documentation">/// echo 1</span>
96 <span class="comment documentation">/// ```</span> 96 <span class="comment documentation">/// ```</span>
97 <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function declaration associated">foo</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">bool</span> <span class="brace">{</span> 97 <span class="keyword">pub</span> <span class="keyword">fn</span> <span class="function associated declaration">foo</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">bool</span> <span class="brace">{</span>
98 <span class="bool_literal">true</span> 98 <span class="bool_literal">true</span>
99 <span class="brace">}</span> 99 <span class="brace">}</span>
100<span class="brace">}</span> 100<span class="brace">}</span>
101 101
102<span class="comment documentation">/// </span><span class="struct documentation intra_doc_link injected">[`Foo`](Foo)</span><span class="comment documentation"> is a struct</span> 102<span class="comment documentation">/// </span><span class="struct documentation injected intra_doc_link">[`Foo`](Foo)</span><span class="comment documentation"> is a struct</span>
103<span class="comment documentation">/// This function is &gt; </span><span class="function documentation intra_doc_link injected">[`all_the_links`](all_the_links)</span><span class="comment documentation"> &lt;</span> 103<span class="comment documentation">/// This function is &gt; </span><span class="function documentation injected intra_doc_link">[`all_the_links`](all_the_links)</span><span class="comment documentation"> &lt;</span>
104<span class="comment documentation">/// [`noop`](noop) is a macro below</span> 104<span class="comment documentation">/// [`noop`](noop) is a macro below</span>
105<span class="comment documentation">/// </span><span class="struct documentation intra_doc_link injected">[`Item`]</span><span class="comment documentation"> is a struct in the module </span><span class="module documentation intra_doc_link injected">[`module`]</span> 105<span class="comment documentation">/// </span><span class="struct documentation injected intra_doc_link">[`Item`]</span><span class="comment documentation"> is a struct in the module </span><span class="module documentation injected intra_doc_link">[`module`]</span>
106<span class="comment documentation">///</span> 106<span class="comment documentation">///</span>
107<span class="comment documentation">/// [`Item`]: module::Item</span> 107<span class="comment documentation">/// [`Item`]: module::Item</span>
108<span class="comment documentation">/// [mix_and_match]: ThisShouldntResolve</span> 108<span class="comment documentation">/// [mix_and_match]: ThisShouldntResolve</span>
diff --git a/crates/ide/src/syntax_highlighting/test_data/highlight_injection.html b/crates/ide/src/syntax_highlighting/test_data/highlight_injection.html
index 7c6694a27..6202a03ce 100644
--- a/crates/ide/src/syntax_highlighting/test_data/highlight_injection.html
+++ b/crates/ide/src/syntax_highlighting/test_data/highlight_injection.html
@@ -42,7 +42,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
42<span class="keyword">fn</span> <span class="function declaration">main</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span> 42<span class="keyword">fn</span> <span class="function declaration">main</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
43 <span class="function">fixture</span><span class="parenthesis">(</span><span class="string_literal">r#"</span> 43 <span class="function">fixture</span><span class="parenthesis">(</span><span class="string_literal">r#"</span>
44 <span class="keyword">trait</span> <span class="trait declaration">Foo</span> <span class="brace">{</span> 44 <span class="keyword">trait</span> <span class="trait declaration">Foo</span> <span class="brace">{</span>
45 <span class="keyword">fn</span> <span class="function declaration static associated trait">foo</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span> 45 <span class="keyword">fn</span> <span class="function associated declaration static trait">foo</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
46 <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"2 + 2 = {}"</span><span class="comma">,</span> <span class="numeric_literal">4</span><span class="parenthesis">)</span><span class="semicolon">;</span> 46 <span class="macro">println!</span><span class="parenthesis">(</span><span class="string_literal">"2 + 2 = {}"</span><span class="comma">,</span> <span class="numeric_literal">4</span><span class="parenthesis">)</span><span class="semicolon">;</span>
47 <span class="brace">}</span> 47 <span class="brace">}</span>
48 <span class="brace">}</span><span class="string_literal">"#</span> 48 <span class="brace">}</span><span class="string_literal">"#</span>
diff --git a/crates/ide/src/syntax_highlighting/test_data/highlight_unsafe.html b/crates/ide/src/syntax_highlighting/test_data/highlight_unsafe.html
index 72910421d..68165bdbf 100644
--- a/crates/ide/src/syntax_highlighting/test_data/highlight_unsafe.html
+++ b/crates/ide/src/syntax_highlighting/test_data/highlight_unsafe.html
@@ -47,7 +47,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
47<span class="keyword">struct</span> <span class="struct declaration">HasUnsafeFn</span><span class="semicolon">;</span> 47<span class="keyword">struct</span> <span class="struct declaration">HasUnsafeFn</span><span class="semicolon">;</span>
48 48
49<span class="keyword">impl</span> <span class="struct">HasUnsafeFn</span> <span class="brace">{</span> 49<span class="keyword">impl</span> <span class="struct">HasUnsafeFn</span> <span class="brace">{</span>
50 <span class="keyword unsafe">unsafe</span> <span class="keyword">fn</span> <span class="function declaration associated unsafe">unsafe_method</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span> 50 <span class="keyword unsafe">unsafe</span> <span class="keyword">fn</span> <span class="function associated declaration unsafe">unsafe_method</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
51<span class="brace">}</span> 51<span class="brace">}</span>
52 52
53<span class="keyword">struct</span> <span class="struct declaration">TypeForStaticMut</span> <span class="brace">{</span> 53<span class="keyword">struct</span> <span class="struct declaration">TypeForStaticMut</span> <span class="brace">{</span>
@@ -62,11 +62,11 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
62<span class="brace">}</span> 62<span class="brace">}</span>
63 63
64<span class="keyword">trait</span> <span class="trait declaration">DoTheAutoref</span> <span class="brace">{</span> 64<span class="keyword">trait</span> <span class="trait declaration">DoTheAutoref</span> <span class="brace">{</span>
65 <span class="keyword">fn</span> <span class="function declaration associated trait">calls_autoref</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span><span class="semicolon">;</span> 65 <span class="keyword">fn</span> <span class="function associated declaration trait">calls_autoref</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span><span class="semicolon">;</span>
66<span class="brace">}</span> 66<span class="brace">}</span>
67 67
68<span class="keyword">impl</span> <span class="trait">DoTheAutoref</span> <span class="keyword">for</span> <span class="builtin_type">u16</span> <span class="brace">{</span> 68<span class="keyword">impl</span> <span class="trait">DoTheAutoref</span> <span class="keyword">for</span> <span class="builtin_type">u16</span> <span class="brace">{</span>
69 <span class="keyword">fn</span> <span class="function declaration associated trait">calls_autoref</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span> 69 <span class="keyword">fn</span> <span class="function associated declaration trait">calls_autoref</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
70<span class="brace">}</span> 70<span class="brace">}</span>
71 71
72<span class="keyword">fn</span> <span class="function declaration">main</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span> 72<span class="keyword">fn</span> <span class="function declaration">main</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="brace">{</span>
diff --git a/crates/ide/src/syntax_highlighting/test_data/highlighting.html b/crates/ide/src/syntax_highlighting/test_data/highlighting.html
index c43bcb691..4319e8b50 100644
--- a/crates/ide/src/syntax_highlighting/test_data/highlighting.html
+++ b/crates/ide/src/syntax_highlighting/test_data/highlighting.html
@@ -67,25 +67,25 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
67<span class="brace">}</span> 67<span class="brace">}</span>
68 68
69<span class="keyword">trait</span> <span class="trait declaration">Bar</span> <span class="brace">{</span> 69<span class="keyword">trait</span> <span class="trait declaration">Bar</span> <span class="brace">{</span>
70 <span class="keyword">fn</span> <span class="function declaration associated trait">bar</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span><span class="semicolon">;</span> 70 <span class="keyword">fn</span> <span class="function associated declaration trait">bar</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span><span class="semicolon">;</span>
71<span class="brace">}</span> 71<span class="brace">}</span>
72 72
73<span class="keyword">impl</span> <span class="trait">Bar</span> <span class="keyword">for</span> <span class="struct">Foo</span> <span class="brace">{</span> 73<span class="keyword">impl</span> <span class="trait">Bar</span> <span class="keyword">for</span> <span class="struct">Foo</span> <span class="brace">{</span>
74 <span class="keyword">fn</span> <span class="function declaration associated trait">bar</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span> <span class="brace">{</span> 74 <span class="keyword">fn</span> <span class="function associated declaration trait">bar</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span> <span class="brace">{</span>
75 <span class="self_keyword">self</span><span class="operator">.</span><span class="field">x</span> 75 <span class="self_keyword">self</span><span class="operator">.</span><span class="field">x</span>
76 <span class="brace">}</span> 76 <span class="brace">}</span>
77<span class="brace">}</span> 77<span class="brace">}</span>
78 78
79<span class="keyword">impl</span> <span class="struct">Foo</span> <span class="brace">{</span> 79<span class="keyword">impl</span> <span class="struct">Foo</span> <span class="brace">{</span>
80 <span class="keyword">fn</span> <span class="function declaration associated">baz</span><span class="parenthesis">(</span><span class="keyword">mut</span> <span class="self_keyword declaration mutable">self</span><span class="comma">,</span> <span class="value_param declaration">f</span><span class="colon">:</span> <span class="struct">Foo</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span> <span class="brace">{</span> 80 <span class="keyword">fn</span> <span class="function associated declaration">baz</span><span class="parenthesis">(</span><span class="keyword">mut</span> <span class="self_keyword declaration mutable">self</span><span class="comma">,</span> <span class="value_param declaration">f</span><span class="colon">:</span> <span class="struct">Foo</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span> <span class="brace">{</span>
81 <span class="value_param">f</span><span class="operator">.</span><span class="function consuming associated">baz</span><span class="parenthesis">(</span><span class="self_keyword mutable consuming">self</span><span class="parenthesis">)</span> 81 <span class="value_param">f</span><span class="operator">.</span><span class="function associated consuming">baz</span><span class="parenthesis">(</span><span class="self_keyword consuming mutable">self</span><span class="parenthesis">)</span>
82 <span class="brace">}</span> 82 <span class="brace">}</span>
83 83
84 <span class="keyword">fn</span> <span class="function declaration associated">qux</span><span class="parenthesis">(</span><span class="operator">&</span><span class="keyword">mut</span> <span class="self_keyword declaration mutable">self</span><span class="parenthesis">)</span> <span class="brace">{</span> 84 <span class="keyword">fn</span> <span class="function associated declaration">qux</span><span class="parenthesis">(</span><span class="operator">&</span><span class="keyword">mut</span> <span class="self_keyword declaration mutable">self</span><span class="parenthesis">)</span> <span class="brace">{</span>
85 <span class="self_keyword mutable">self</span><span class="operator">.</span><span class="field">x</span> <span class="operator">=</span> <span class="numeric_literal">0</span><span class="semicolon">;</span> 85 <span class="self_keyword mutable">self</span><span class="operator">.</span><span class="field">x</span> <span class="operator">=</span> <span class="numeric_literal">0</span><span class="semicolon">;</span>
86 <span class="brace">}</span> 86 <span class="brace">}</span>
87 87
88 <span class="keyword">fn</span> <span class="function declaration associated">quop</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span> <span class="brace">{</span> 88 <span class="keyword">fn</span> <span class="function associated declaration">quop</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">i32</span> <span class="brace">{</span>
89 <span class="self_keyword">self</span><span class="operator">.</span><span class="field">x</span> 89 <span class="self_keyword">self</span><span class="operator">.</span><span class="field">x</span>
90 <span class="brace">}</span> 90 <span class="brace">}</span>
91<span class="brace">}</span> 91<span class="brace">}</span>
@@ -96,15 +96,15 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
96<span class="brace">}</span> 96<span class="brace">}</span>
97 97
98<span class="keyword">impl</span> <span class="struct">FooCopy</span> <span class="brace">{</span> 98<span class="keyword">impl</span> <span class="struct">FooCopy</span> <span class="brace">{</span>
99 <span class="keyword">fn</span> <span class="function declaration associated">baz</span><span class="parenthesis">(</span><span class="self_keyword declaration">self</span><span class="comma">,</span> <span class="value_param declaration">f</span><span class="colon">:</span> <span class="struct">FooCopy</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">u32</span> <span class="brace">{</span> 99 <span class="keyword">fn</span> <span class="function associated declaration">baz</span><span class="parenthesis">(</span><span class="self_keyword declaration">self</span><span class="comma">,</span> <span class="value_param declaration">f</span><span class="colon">:</span> <span class="struct">FooCopy</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">u32</span> <span class="brace">{</span>
100 <span class="value_param">f</span><span class="operator">.</span><span class="function associated">baz</span><span class="parenthesis">(</span><span class="self_keyword">self</span><span class="parenthesis">)</span> 100 <span class="value_param">f</span><span class="operator">.</span><span class="function associated">baz</span><span class="parenthesis">(</span><span class="self_keyword">self</span><span class="parenthesis">)</span>
101 <span class="brace">}</span> 101 <span class="brace">}</span>
102 102
103 <span class="keyword">fn</span> <span class="function declaration associated">qux</span><span class="parenthesis">(</span><span class="operator">&</span><span class="keyword">mut</span> <span class="self_keyword declaration mutable">self</span><span class="parenthesis">)</span> <span class="brace">{</span> 103 <span class="keyword">fn</span> <span class="function associated declaration">qux</span><span class="parenthesis">(</span><span class="operator">&</span><span class="keyword">mut</span> <span class="self_keyword declaration mutable">self</span><span class="parenthesis">)</span> <span class="brace">{</span>
104 <span class="self_keyword mutable">self</span><span class="operator">.</span><span class="field">x</span> <span class="operator">=</span> <span class="numeric_literal">0</span><span class="semicolon">;</span> 104 <span class="self_keyword mutable">self</span><span class="operator">.</span><span class="field">x</span> <span class="operator">=</span> <span class="numeric_literal">0</span><span class="semicolon">;</span>
105 <span class="brace">}</span> 105 <span class="brace">}</span>
106 106
107 <span class="keyword">fn</span> <span class="function declaration associated">quop</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">u32</span> <span class="brace">{</span> 107 <span class="keyword">fn</span> <span class="function associated declaration">quop</span><span class="parenthesis">(</span><span class="operator">&</span><span class="self_keyword declaration">self</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="builtin_type">u32</span> <span class="brace">{</span>
108 <span class="self_keyword">self</span><span class="operator">.</span><span class="field">x</span> 108 <span class="self_keyword">self</span><span class="operator">.</span><span class="field">x</span>
109 <span class="brace">}</span> 109 <span class="brace">}</span>
110<span class="brace">}</span> 110<span class="brace">}</span>
@@ -128,7 +128,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
128<span class="brace">}</span> 128<span class="brace">}</span>
129 129
130<span class="keyword">use</span> <span class="module">ops</span><span class="operator">::</span><span class="trait">Fn</span><span class="semicolon">;</span> 130<span class="keyword">use</span> <span class="module">ops</span><span class="operator">::</span><span class="trait">Fn</span><span class="semicolon">;</span>
131<span class="keyword">fn</span> <span class="function declaration">baz</span><span class="angle">&lt;</span><span class="type_param declaration">F</span><span class="colon">:</span> <span class="trait">Fn</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="parenthesis">(</span><span class="parenthesis">)</span><span class="angle">&gt;</span><span class="parenthesis">(</span><span class="value_param declaration callable">f</span><span class="colon">:</span> <span class="type_param">F</span><span class="parenthesis">)</span> <span class="brace">{</span> 131<span class="keyword">fn</span> <span class="function declaration">baz</span><span class="angle">&lt;</span><span class="type_param declaration">F</span><span class="colon">:</span> <span class="trait">Fn</span><span class="parenthesis">(</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="parenthesis">(</span><span class="parenthesis">)</span><span class="angle">&gt;</span><span class="parenthesis">(</span><span class="value_param callable declaration">f</span><span class="colon">:</span> <span class="type_param">F</span><span class="parenthesis">)</span> <span class="brace">{</span>
132 <span class="value_param callable">f</span><span class="parenthesis">(</span><span class="parenthesis">)</span> 132 <span class="value_param callable">f</span><span class="parenthesis">(</span><span class="parenthesis">)</span>
133<span class="brace">}</span> 133<span class="brace">}</span>
134 134
@@ -199,16 +199,16 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
199 <span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable">foo</span> <span class="operator">=</span> <span class="struct">Foo</span> <span class="brace">{</span> <span class="field">x</span><span class="comma">,</span> <span class="field">y</span><span class="colon">:</span> <span class="variable mutable">x</span> <span class="brace">}</span><span class="semicolon">;</span> 199 <span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable">foo</span> <span class="operator">=</span> <span class="struct">Foo</span> <span class="brace">{</span> <span class="field">x</span><span class="comma">,</span> <span class="field">y</span><span class="colon">:</span> <span class="variable mutable">x</span> <span class="brace">}</span><span class="semicolon">;</span>
200 <span class="keyword">let</span> <span class="variable declaration">foo2</span> <span class="operator">=</span> <span class="struct">Foo</span> <span class="brace">{</span> <span class="field">x</span><span class="comma">,</span> <span class="field">y</span><span class="colon">:</span> <span class="variable mutable">x</span> <span class="brace">}</span><span class="semicolon">;</span> 200 <span class="keyword">let</span> <span class="variable declaration">foo2</span> <span class="operator">=</span> <span class="struct">Foo</span> <span class="brace">{</span> <span class="field">x</span><span class="comma">,</span> <span class="field">y</span><span class="colon">:</span> <span class="variable mutable">x</span> <span class="brace">}</span><span class="semicolon">;</span>
201 <span class="variable mutable">foo</span><span class="operator">.</span><span class="function associated">quop</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span> 201 <span class="variable mutable">foo</span><span class="operator">.</span><span class="function associated">quop</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
202 <span class="variable mutable">foo</span><span class="operator">.</span><span class="function mutable associated">qux</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span> 202 <span class="variable mutable">foo</span><span class="operator">.</span><span class="function associated mutable">qux</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
203 <span class="variable mutable">foo</span><span class="operator">.</span><span class="function consuming associated">baz</span><span class="parenthesis">(</span><span class="variable consuming">foo2</span><span class="parenthesis">)</span><span class="semicolon">;</span> 203 <span class="variable mutable">foo</span><span class="operator">.</span><span class="function associated consuming">baz</span><span class="parenthesis">(</span><span class="variable consuming">foo2</span><span class="parenthesis">)</span><span class="semicolon">;</span>
204 204
205 <span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable">copy</span> <span class="operator">=</span> <span class="struct">FooCopy</span> <span class="brace">{</span> <span class="field">x</span> <span class="brace">}</span><span class="semicolon">;</span> 205 <span class="keyword">let</span> <span class="keyword">mut</span> <span class="variable declaration mutable">copy</span> <span class="operator">=</span> <span class="struct">FooCopy</span> <span class="brace">{</span> <span class="field">x</span> <span class="brace">}</span><span class="semicolon">;</span>
206 <span class="variable mutable">copy</span><span class="operator">.</span><span class="function associated">quop</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span> 206 <span class="variable mutable">copy</span><span class="operator">.</span><span class="function associated">quop</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
207 <span class="variable mutable">copy</span><span class="operator">.</span><span class="function mutable associated">qux</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span> 207 <span class="variable mutable">copy</span><span class="operator">.</span><span class="function associated mutable">qux</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="semicolon">;</span>
208 <span class="variable mutable">copy</span><span class="operator">.</span><span class="function associated">baz</span><span class="parenthesis">(</span><span class="variable mutable">copy</span><span class="parenthesis">)</span><span class="semicolon">;</span> 208 <span class="variable mutable">copy</span><span class="operator">.</span><span class="function associated">baz</span><span class="parenthesis">(</span><span class="variable mutable">copy</span><span class="parenthesis">)</span><span class="semicolon">;</span>
209 209
210 <span class="keyword">let</span> <span class="variable declaration callable">a</span> <span class="operator">=</span> <span class="punctuation">|</span><span class="value_param declaration">x</span><span class="punctuation">|</span> <span class="value_param">x</span><span class="semicolon">;</span> 210 <span class="keyword">let</span> <span class="variable callable declaration">a</span> <span class="operator">=</span> <span class="punctuation">|</span><span class="value_param declaration">x</span><span class="punctuation">|</span> <span class="value_param">x</span><span class="semicolon">;</span>
211 <span class="keyword">let</span> <span class="variable declaration callable">bar</span> <span class="operator">=</span> <span class="struct">Foo</span><span class="operator">::</span><span class="function associated">baz</span><span class="semicolon">;</span> 211 <span class="keyword">let</span> <span class="variable callable declaration">bar</span> <span class="operator">=</span> <span class="struct">Foo</span><span class="operator">::</span><span class="function associated">baz</span><span class="semicolon">;</span>
212 212
213 <span class="keyword">let</span> <span class="variable declaration">baz</span> <span class="operator">=</span> <span class="numeric_literal">-</span><span class="numeric_literal">42</span><span class="semicolon">;</span> 213 <span class="keyword">let</span> <span class="variable declaration">baz</span> <span class="operator">=</span> <span class="numeric_literal">-</span><span class="numeric_literal">42</span><span class="semicolon">;</span>
214 <span class="keyword">let</span> <span class="variable declaration">baz</span> <span class="operator">=</span> <span class="operator">-</span><span class="variable">baz</span><span class="semicolon">;</span> 214 <span class="keyword">let</span> <span class="variable declaration">baz</span> <span class="operator">=</span> <span class="operator">-</span><span class="variable">baz</span><span class="semicolon">;</span>
@@ -228,7 +228,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
228<span class="keyword">use</span> <span class="enum">Option</span><span class="operator">::</span><span class="punctuation">*</span><span class="semicolon">;</span> 228<span class="keyword">use</span> <span class="enum">Option</span><span class="operator">::</span><span class="punctuation">*</span><span class="semicolon">;</span>
229 229
230<span class="keyword">impl</span><span class="angle">&lt;</span><span class="type_param declaration">T</span><span class="angle">&gt;</span> <span class="enum">Option</span><span class="angle">&lt;</span><span class="type_param">T</span><span class="angle">&gt;</span> <span class="brace">{</span> 230<span class="keyword">impl</span><span class="angle">&lt;</span><span class="type_param declaration">T</span><span class="angle">&gt;</span> <span class="enum">Option</span><span class="angle">&lt;</span><span class="type_param">T</span><span class="angle">&gt;</span> <span class="brace">{</span>
231 <span class="keyword">fn</span> <span class="function declaration associated">and</span><span class="angle">&lt;</span><span class="type_param declaration">U</span><span class="angle">&gt;</span><span class="parenthesis">(</span><span class="self_keyword declaration">self</span><span class="comma">,</span> <span class="value_param declaration">other</span><span class="colon">:</span> <span class="enum">Option</span><span class="angle">&lt;</span><span class="type_param">U</span><span class="angle">&gt;</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="enum">Option</span><span class="angle">&lt;</span><span class="parenthesis">(</span><span class="type_param">T</span><span class="comma">,</span> <span class="type_param">U</span><span class="parenthesis">)</span><span class="angle">&gt;</span> <span class="brace">{</span> 231 <span class="keyword">fn</span> <span class="function associated declaration">and</span><span class="angle">&lt;</span><span class="type_param declaration">U</span><span class="angle">&gt;</span><span class="parenthesis">(</span><span class="self_keyword declaration">self</span><span class="comma">,</span> <span class="value_param declaration">other</span><span class="colon">:</span> <span class="enum">Option</span><span class="angle">&lt;</span><span class="type_param">U</span><span class="angle">&gt;</span><span class="parenthesis">)</span> <span class="operator">-&gt;</span> <span class="enum">Option</span><span class="angle">&lt;</span><span class="parenthesis">(</span><span class="type_param">T</span><span class="comma">,</span> <span class="type_param">U</span><span class="parenthesis">)</span><span class="angle">&gt;</span> <span class="brace">{</span>
232 <span class="keyword control">match</span> <span class="value_param">other</span> <span class="brace">{</span> 232 <span class="keyword control">match</span> <span class="value_param">other</span> <span class="brace">{</span>
233 <span class="enum_variant">None</span> <span class="operator">=&gt;</span> <span class="macro">unimplemented!</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="comma">,</span> 233 <span class="enum_variant">None</span> <span class="operator">=&gt;</span> <span class="macro">unimplemented!</span><span class="parenthesis">(</span><span class="parenthesis">)</span><span class="comma">,</span>
234 <span class="variable declaration">Nope</span> <span class="operator">=&gt;</span> <span class="variable">Nope</span><span class="comma">,</span> 234 <span class="variable declaration">Nope</span> <span class="operator">=&gt;</span> <span class="variable">Nope</span><span class="comma">,</span>