Unnamed repository; edit this file 'description' to name the repository.
Highlight `Self` as a keyword by default
| -rw-r--r-- | crates/ide/src/syntax_highlighting/highlight.rs | 20 | ||||
| -rw-r--r-- | crates/ide/src/syntax_highlighting/test_data/highlight_keywords.html | 53 | ||||
| -rw-r--r-- | crates/ide/src/syntax_highlighting/tests.rs | 20 | ||||
| -rw-r--r-- | crates/syntax/src/ast/node_ext.rs | 14 | ||||
| -rw-r--r-- | editors/code/package.json | 2 |
5 files changed, 94 insertions, 15 deletions
diff --git a/crates/ide/src/syntax_highlighting/highlight.rs b/crates/ide/src/syntax_highlighting/highlight.rs index bf532b5bb2..43a3fb2d71 100644 --- a/crates/ide/src/syntax_highlighting/highlight.rs +++ b/crates/ide/src/syntax_highlighting/highlight.rs @@ -190,12 +190,13 @@ fn keyword( T![for] if parent_matches::<ast::ForExpr>(&token) => h | HlMod::ControlFlow, T![unsafe] => h | HlMod::Unsafe, T![true] | T![false] => HlTag::BoolLiteral.into(), - T![Self] => return Some(HlTag::Symbol(SymbolKind::SelfType).into()), // crate is handled just as a token if it's in an `extern crate` T![crate] if parent_matches::<ast::ExternCrate>(&token) => h, - // self, crate and super are handled as either a Name or NameRef already, unless they + // self, crate, super and `Self` are handled as either a Name or NameRef already, unless they // are inside unmapped token trees - T![self] | T![crate] | T![super] if parent_matches::<ast::NameRef>(&token) => return None, + T![self] | T![crate] | T![super] | T![Self] if parent_matches::<ast::NameRef>(&token) => { + return None + } T![self] if parent_matches::<ast::Name>(&token) => return None, T![ref] => match token.parent().and_then(ast::IdentPat::cast) { Some(ident) if sema.is_unsafe_ident_pat(&ident) => h | HlMod::Unsafe, @@ -270,12 +271,13 @@ fn highlight_name_ref( } NameRefClass::FieldShorthand { .. } => SymbolKind::Field.into(), }; - if name_ref.self_token().is_some() { - h.tag = HlTag::Symbol(SymbolKind::SelfParam); - } - if name_ref.crate_token().is_some() || name_ref.super_token().is_some() { - h.tag = HlTag::Keyword; - } + + h.tag = match name_ref.token_kind() { + T![Self] => HlTag::Symbol(SymbolKind::SelfType), + T![self] => HlTag::Symbol(SymbolKind::SelfParam), + T![super] | T![crate] => HlTag::Keyword, + _ => h.tag, + }; h } diff --git a/crates/ide/src/syntax_highlighting/test_data/highlight_keywords.html b/crates/ide/src/syntax_highlighting/test_data/highlight_keywords.html new file mode 100644 index 0000000000..7cdeca8e29 --- /dev/null +++ b/crates/ide/src/syntax_highlighting/test_data/highlight_keywords.html @@ -0,0 +1,53 @@ + +<style> +body { margin: 0; } +pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padding: 0.4em; } + +.lifetime { color: #DFAF8F; font-style: italic; } +.label { color: #DFAF8F; font-style: italic; } +.comment { color: #7F9F7F; } +.documentation { color: #629755; } +.intra_doc_link { font-style: italic; } +.injected { opacity: 0.65 ; } +.struct, .enum { color: #7CB8BB; } +.enum_variant { color: #BDE0F3; } +.string_literal { color: #CC9393; } +.field { color: #94BFF3; } +.function { color: #93E0E3; } +.function.unsafe { color: #BC8383; } +.trait.unsafe { color: #BC8383; } +.operator.unsafe { color: #BC8383; } +.mutable.unsafe { color: #BC8383; text-decoration: underline; } +.keyword.unsafe { color: #BC8383; font-weight: bold; } +.parameter { color: #94BFF3; } +.text { color: #DCDCCC; } +.type { color: #7CB8BB; } +.builtin_type { color: #8CD0D3; } +.type_param { color: #DFAF8F; } +.attribute { color: #94BFF3; } +.numeric_literal { color: #BFEBBF; } +.bool_literal { color: #BFE6EB; } +.macro { color: #94BFF3; } +.derive { color: #94BFF3; font-style: italic; } +.module { color: #AFD8AF; } +.value_param { color: #DCDCCC; } +.variable { color: #DCDCCC; } +.format_specifier { color: #CC696B; } +.mutable { text-decoration: underline; } +.escape_sequence { color: #94BFF3; } +.keyword { color: #F0DFAF; font-weight: bold; } +.control { font-style: italic; } +.reference { font-style: italic; font-weight: bold; } + +.unresolved_reference { color: #FC5555; text-decoration: wavy underline; } +</style> +<pre><code><span class="keyword">extern</span> <span class="keyword">crate</span> <span class="unresolved_reference">self</span><span class="semicolon">;</span> + +<span class="keyword">use</span> <span class="keyword crate_root">crate</span><span class="semicolon">;</span> +<span class="keyword">use</span> <span class="self_keyword crate_root">self</span><span class="semicolon">;</span> +<span class="keyword">mod</span> <span class="module declaration">__</span> <span class="brace">{</span> + <span class="keyword">use</span> <span class="keyword crate_root">super</span><span class="operator">::</span><span class="punctuation">*</span><span class="semicolon">;</span> +<span class="brace">}</span> + +<span class="keyword">struct</span> <span class="struct declaration">__</span> <span class="keyword">where</span> <span class="self_type_keyword">Self</span><span class="colon">:</span><span class="semicolon">;</span> +<span class="keyword">fn</span> <span class="function declaration">__</span><span class="parenthesis">(</span><span class="punctuation">_</span><span class="colon">:</span> <span class="unresolved_reference">Self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span></code></pre>
\ No newline at end of file diff --git a/crates/ide/src/syntax_highlighting/tests.rs b/crates/ide/src/syntax_highlighting/tests.rs index c14e3330e3..599def0341 100644 --- a/crates/ide/src/syntax_highlighting/tests.rs +++ b/crates/ide/src/syntax_highlighting/tests.rs @@ -335,6 +335,26 @@ where } #[test] +fn test_keyword_highlighting() { + check_highlighting( + r#" +extern crate self; + +use crate; +use self; +mod __ { + use super::*; +} + +struct __ where Self:; +fn __(_: Self) {} +"#, + expect_file!["./test_data/highlight_keywords.html"], + false, + ); +} + +#[test] fn test_string_highlighting() { // The format string detection is based on macro-expansion, // thus, we have to copy the macro definition from `std` diff --git a/crates/syntax/src/ast/node_ext.rs b/crates/syntax/src/ast/node_ext.rs index 4a3abcb3a9..333ee35d63 100644 --- a/crates/syntax/src/ast/node_ext.rs +++ b/crates/syntax/src/ast/node_ext.rs @@ -34,6 +34,10 @@ impl ast::NameRef { pub fn as_tuple_field(&self) -> Option<usize> { self.text().parse().ok() } + + pub fn token_kind(&self) -> SyntaxKind { + self.syntax().first_token().map_or(SyntaxKind::ERROR, |it| it.kind()) + } } fn text_of_first_token(node: &SyntaxNode) -> TokenText<'_> { @@ -215,11 +219,11 @@ impl ast::PathSegment { pub fn kind(&self) -> Option<PathSegmentKind> { let res = if let Some(name_ref) = self.name_ref() { - match name_ref.syntax().first_token().map(|it| it.kind()) { - Some(T![Self]) => PathSegmentKind::SelfTypeKw, - Some(T![self]) => PathSegmentKind::SelfKw, - Some(T![super]) => PathSegmentKind::SuperKw, - Some(T![crate]) => PathSegmentKind::CrateKw, + match name_ref.token_kind() { + T![Self] => PathSegmentKind::SelfTypeKw, + T![self] => PathSegmentKind::SelfKw, + T![super] => PathSegmentKind::SuperKw, + T![crate] => PathSegmentKind::CrateKw, _ => PathSegmentKind::Name(name_ref), } } else { diff --git a/editors/code/package.json b/editors/code/package.json index fb519be461..4843ea8421 100644 --- a/editors/code/package.json +++ b/editors/code/package.json @@ -1297,7 +1297,7 @@ { "id": "selfTypeKeyword", "description": "Style for the self type keyword", - "superType": "typeParameter" + "superType": "keyword" }, { "id": "semicolon", |