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Syntax-highlight Python project symbols and completions

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This commit is contained in:
Max Brunsfeld 2022-06-23 11:14:01 -07:00
parent 981e53784d
commit 4d4db6ec4b
2 changed files with 58 additions and 2 deletions
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56
crates/zed/src/languages/python.rs
View file

@ -94,4 +94,60 @@ impl LspAdapter for PythonLspAdapter {
.log_err()
.boxed()
}
fn label_for_completion(
&self,
item: &lsp::CompletionItem,
language: &language::Language,
) -> Option<language::CodeLabel> {
let label = &item.label;
let grammar = language.grammar()?;
let highlight_id = match item.kind? {
lsp::CompletionItemKind::METHOD => grammar.highlight_id_for_name("function.method")?,
lsp::CompletionItemKind::FUNCTION => grammar.highlight_id_for_name("function")?,
lsp::CompletionItemKind::CLASS => grammar.highlight_id_for_name("type")?,
lsp::CompletionItemKind::CONSTANT => grammar.highlight_id_for_name("constant")?,
_ => return None,
};
Some(language::CodeLabel {
text: label.clone(),
runs: vec![(0..label.len(), highlight_id)],
filter_range: 0..label.len(),
})
}
fn label_for_symbol(
&self,
name: &str,
kind: lsp::SymbolKind,
language: &language::Language,
) -> Option<language::CodeLabel> {
let (text, filter_range, display_range) = match kind {
lsp::SymbolKind::METHOD | lsp::SymbolKind::FUNCTION => {
let text = format!("def {}():\n", name);
let filter_range = 4..4 + name.len();
let display_range = 0..filter_range.end;
(text, filter_range, display_range)
}
lsp::SymbolKind::CLASS => {
let text = format!("class {}:", name);
let filter_range = 6..6 + name.len();
let display_range = 0..filter_range.end;
(text, filter_range, display_range)
}
lsp::SymbolKind::CONSTANT => {
let text = format!("{} = 0", name);
let filter_range = 0..name.len();
let display_range = 0..filter_range.end;
(text, filter_range, display_range)
}
_ => return None,
};
Some(language::CodeLabel {
runs: language.highlight_text(&text.as_str().into(), display_range.clone()),
text: text[display_range].to_string(),
filter_range,
})
}
}

4
crates/zed/src/languages/python/highlights.scm
View file

@ -17,8 +17,8 @@
; Identifier naming conventions
((identifier) @constructor
(#match? @constructor "^[A-Z]"))
((identifier) @type
(#match? @type "^[A-Z]"))
((identifier) @constant
(#match? @constant "^[A-Z][A-Z_]*$"))