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authorLukas Wirth <[email protected]>2021-01-15 17:57:32 +0000
committerLukas Wirth <[email protected]>2021-01-15 18:21:23 +0000
commitcb863390f23bc2eac6561d55def9bd3ba54605fc (patch)
treeb19b39d9b6231e8857a4096cc803cf35e2ddbe81 /crates/syntax/src
parent0c58aa9dc0e24f0fa6a6ee7eb0c35041dedddb0a (diff)
Handle self/super/crate in PathSegment as NameRef
Diffstat (limited to 'crates/syntax/src')
-rw-r--r--crates/syntax/src/algo.rs2
-rw-r--r--crates/syntax/src/ast/generated/nodes.rs6
-rw-r--r--crates/syntax/src/ast/node_ext.rs22
-rw-r--r--crates/syntax/src/validation.rs2
4 files changed, 23 insertions, 9 deletions
diff --git a/crates/syntax/src/algo.rs b/crates/syntax/src/algo.rs
index 384d031e7..39da45cc0 100644
--- a/crates/syntax/src/algo.rs
+++ b/crates/syntax/src/algo.rs
@@ -883,7 +883,7 @@ use crate::AstNode;
883 883
884 replacements: 884 replacements:
885 885
886 Line 2: Node(NAME_REF@5..14) -> crate 886 Line 2: Token(IDENT@5..14 "text_edit") -> crate
887 Line 2: Token([email protected] "TextEdit") -> AstNode 887 Line 2: Token([email protected] "TextEdit") -> AstNode
888 Line 2: Token([email protected] "\n\n") -> "\n" 888 Line 2: Token([email protected] "\n\n") -> "\n"
889 889
diff --git a/crates/syntax/src/ast/generated/nodes.rs b/crates/syntax/src/ast/generated/nodes.rs
index 9c96d3d07..1d722db3c 100644
--- a/crates/syntax/src/ast/generated/nodes.rs
+++ b/crates/syntax/src/ast/generated/nodes.rs
@@ -18,6 +18,9 @@ pub struct NameRef {
18} 18}
19impl NameRef { 19impl NameRef {
20 pub fn ident_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![ident]) } 20 pub fn ident_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![ident]) }
21 pub fn self_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![self]) }
22 pub fn super_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![super]) }
23 pub fn crate_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![crate]) }
21} 24}
22#[derive(Debug, Clone, PartialEq, Eq, Hash)] 25#[derive(Debug, Clone, PartialEq, Eq, Hash)]
23pub struct Lifetime { 26pub struct Lifetime {
@@ -42,9 +45,6 @@ pub struct PathSegment {
42 pub(crate) syntax: SyntaxNode, 45 pub(crate) syntax: SyntaxNode,
43} 46}
44impl PathSegment { 47impl PathSegment {
45 pub fn crate_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![crate]) }
46 pub fn self_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![self]) }
47 pub fn super_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![super]) }
48 pub fn coloncolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![::]) } 48 pub fn coloncolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![::]) }
49 pub fn name_ref(&self) -> Option<NameRef> { support::child(&self.syntax) } 49 pub fn name_ref(&self) -> Option<NameRef> { support::child(&self.syntax) }
50 pub fn generic_arg_list(&self) -> Option<GenericArgList> { support::child(&self.syntax) } 50 pub fn generic_arg_list(&self) -> Option<GenericArgList> { support::child(&self.syntax) }
diff --git a/crates/syntax/src/ast/node_ext.rs b/crates/syntax/src/ast/node_ext.rs
index 27381ba80..b8ce71d27 100644
--- a/crates/syntax/src/ast/node_ext.rs
+++ b/crates/syntax/src/ast/node_ext.rs
@@ -156,14 +156,28 @@ impl ast::PathSegment {
156 .expect("segments are always nested in paths") 156 .expect("segments are always nested in paths")
157 } 157 }
158 158
159 pub fn crate_token(&self) -> Option<SyntaxToken> {
160 self.name_ref().and_then(|it| it.crate_token())
161 }
162
163 pub fn self_token(&self) -> Option<SyntaxToken> {
164 self.name_ref().and_then(|it| it.self_token())
165 }
166
167 pub fn super_token(&self) -> Option<SyntaxToken> {
168 self.name_ref().and_then(|it| it.super_token())
169 }
170
159 pub fn kind(&self) -> Option<PathSegmentKind> { 171 pub fn kind(&self) -> Option<PathSegmentKind> {
160 let res = if let Some(name_ref) = self.name_ref() { 172 let res = if let Some(name_ref) = self.name_ref() {
161 PathSegmentKind::Name(name_ref) 173 match name_ref.syntax().first_token().map(|it| it.kind()) {
174 Some(T![self]) => PathSegmentKind::SelfKw,
175 Some(T![super]) => PathSegmentKind::SuperKw,
176 Some(T![crate]) => PathSegmentKind::CrateKw,
177 _ => PathSegmentKind::Name(name_ref),
178 }
162 } else { 179 } else {
163 match self.syntax().first_child_or_token()?.kind() { 180 match self.syntax().first_child_or_token()?.kind() {
164 T![self] => PathSegmentKind::SelfKw,
165 T![super] => PathSegmentKind::SuperKw,
166 T![crate] => PathSegmentKind::CrateKw,
167 T![<] => { 181 T![<] => {
168 // <T> or <T as Trait> 182 // <T> or <T as Trait>
169 // T is any TypeRef, Trait has to be a PathType 183 // T is any TypeRef, Trait has to be a PathType
diff --git a/crates/syntax/src/validation.rs b/crates/syntax/src/validation.rs
index bfa2dc4ba..7901580ee 100644
--- a/crates/syntax/src/validation.rs
+++ b/crates/syntax/src/validation.rs
@@ -256,7 +256,7 @@ fn validate_path_keywords(segment: ast::PathSegment, errors: &mut Vec<SyntaxErro
256 )); 256 ));
257 } 257 }
258 } else if let Some(token) = segment.super_token() { 258 } else if let Some(token) = segment.super_token() {
259 if !all_supers(&path) { 259 if segment.coloncolon_token().is_some() || !all_supers(&path) {
260 errors.push(SyntaxError::new( 260 errors.push(SyntaxError::new(
261 "The `super` keyword may only be preceded by other `super`s", 261 "The `super` keyword may only be preceded by other `super`s",
262 token.text_range(), 262 token.text_range(),