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Merge #4654

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4654: Add semantic highlight to ? operator r=matklad a=ruabmbua

Made it an operator with controlFlow modifier.

To highlight in vscode as red:

```json
"editor.semanticTokenColorCustomizations": {
        "enabled": true,
        "rules": {
            "operator.controlFlow": "#ff0000",
        }
}
```

![Bildschirmfoto von 2020-05-29 21-32-06](https://user-images.githubusercontent.com/2522373/83297998-f3585a00-a1f3-11ea-9d14-4ef04b9b6b9a.png)

https://github.com/rust-analyzer/rust-analyzer/issues/4597


Co-authored-by: Roland Ruckerbauer <roland.rucky@gmail.com>
This commit is contained in:
bors[bot] 2020-05-30 08:26:04 +00:00 committed by GitHub
commit 07060b3daa
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3 changed files with 4 additions and 0 deletions
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1
crates/ra_ide/src/syntax_highlighting.rs
View file

@ -391,6 +391,7 @@ fn highlight_element(
INT_NUMBER | FLOAT_NUMBER => HighlightTag::NumericLiteral.into(),
BYTE => HighlightTag::ByteLiteral.into(),
CHAR => HighlightTag::CharLiteral.into(),
QUESTION => Highlight::new(HighlightTag::Operator) | HighlightModifier::ControlFlow,
LIFETIME => {
let h = Highlight::new(HighlightTag::Lifetime);
match element.parent().map(|it| it.kind()) {

2
crates/ra_ide/src/syntax_highlighting/tags.rs
View file

@ -42,6 +42,7 @@ pub enum HighlightTag {
Local,
UnresolvedReference,
FormatSpecifier,
Operator,
}
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord)]
@ -89,6 +90,7 @@ impl HighlightTag {
HighlightTag::Local => "variable",
HighlightTag::UnresolvedReference => "unresolved_reference",
HighlightTag::FormatSpecifier => "format_specifier",
HighlightTag::Operator => "operator",
}
}
}

1
crates/rust-analyzer/src/to_proto.rs
View file

@ -317,6 +317,7 @@ fn semantic_token_type_and_modifiers(
HighlightTag::Keyword => lsp_types::SemanticTokenType::KEYWORD,
HighlightTag::UnresolvedReference => semantic_tokens::UNRESOLVED_REFERENCE,
HighlightTag::FormatSpecifier => semantic_tokens::FORMAT_SPECIFIER,
HighlightTag::Operator => lsp_types::SemanticTokenType::OPERATOR,
};
for modifier in highlight.modifiers.iter() {