Extract get docs and show actual hover into function

This commit is contained in:
David Kleingeld 2025-08-25 17:39:52 +02:00
parent 78ca73e0b9
commit 1a31961dac

View file

@ -444,165 +444,10 @@ pub fn update_inlay_link_and_hover_points(
let hint_value = hovered_hint_part.value.clone(); let hint_value = hovered_hint_part.value.clone();
let location = location.clone(); let location = location.clone();
cx.spawn_in(window, async move |editor, cx| { get_docs_then_show_hover(
async move { window, cx, highlight, hint_value, location,
// Small delay to show the loading message first project,
cx.background_executor() );
.timer(std::time::Duration::from_millis(50))
.await;
// Convert LSP URL to file path
let file_path =
location.uri.to_file_path().map_err(
|_| anyhow::anyhow!("Invalid file URL"),
)?;
// Open the definition file
let definition_buffer = project
.update(cx, |project, cx| {
project.open_local_buffer(file_path, cx)
})?
.await?;
// Extract documentation directly from the source
let documentation = definition_buffer.update(
cx,
|buffer, _| {
let line_number =
location.range.start.line as usize;
// Get the text of the buffer
let text = buffer.text();
let lines: Vec<&str> =
text.lines().collect();
// Look backwards from the definition line to find doc comments
let mut doc_lines = Vec::new();
let mut current_line =
line_number.saturating_sub(1);
// Skip any attributes like #[derive(...)]
while current_line > 0
&& lines.get(current_line).map_or(
false,
|line| {
let trimmed = line.trim();
trimmed.starts_with("#[")
|| trimmed.is_empty()
},
)
{
current_line =
current_line.saturating_sub(1);
}
// Collect doc comments
while current_line > 0 {
if let Some(line) =
lines.get(current_line)
{
let trimmed = line.trim();
if trimmed.starts_with("///") {
// Remove the /// and any leading space
let doc_text = trimmed
.strip_prefix("///")
.unwrap_or("")
.strip_prefix(" ")
.unwrap_or_else(|| {
trimmed
.strip_prefix(
"///",
)
.unwrap_or("")
});
doc_lines.push(
doc_text.to_string(),
);
} else if !trimmed.is_empty() {
// Stop at the first non-doc, non-empty line
break;
}
}
current_line =
current_line.saturating_sub(1);
}
// Reverse to get correct order
doc_lines.reverse();
// Also get the actual definition line
let definition = lines
.get(line_number)
.map(|s| s.trim().to_string())
.unwrap_or_else(|| {
hint_value.clone()
});
if doc_lines.is_empty() {
None
} else {
let docs = doc_lines.join("\n");
Some((definition, docs))
}
},
)?;
if let Some((definition, docs)) = documentation
{
// Format as markdown with the definition as a code block
let formatted_docs = format!(
"```rust\n{}\n```\n\n{}",
definition, docs
);
editor
.update_in(cx, |editor, window, cx| {
hover_popover::hover_at_inlay(
editor,
InlayHover {
tooltip: HoverBlock {
text: formatted_docs,
kind: HoverBlockKind::Markdown,
},
range: highlight,
},
window,
cx,
);
})
.log_err();
} else {
// Fallback to showing just the location info
let fallback_text = format!(
"{}\n\nDefined in at line {}",
hint_value.trim(),
// filename, // TODO
location.range.start.line + 1
);
editor
.update_in(cx, |editor, window, cx| {
hover_popover::hover_at_inlay(
editor,
InlayHover {
tooltip: HoverBlock {
text: fallback_text,
kind: HoverBlockKind::PlainText,
},
range: highlight,
},
window,
cx,
);
})
.log_err();
}
anyhow::Ok(())
}
.log_err()
.await
})
.detach();
} }
if secondary_held if secondary_held
@ -641,6 +486,145 @@ pub fn update_inlay_link_and_hover_points(
} }
} }
fn get_docs_then_show_hover(
window: &mut Window,
cx: &mut Context<'_, Editor>,
highlight: InlayHighlight,
hint_value: String,
location: lsp::Location,
project: Entity<Project>,
) {
cx.spawn_in(window, async move |editor, cx| {
async move {
// Small delay to show the loading message first
cx.background_executor()
.timer(std::time::Duration::from_millis(50))
.await;
// Convert LSP URL to file path
let file_path = location
.uri
.to_file_path()
.map_err(|_| anyhow::anyhow!("Invalid file URL"))?;
// Open the definition file
let definition_buffer = project
.update(cx, |project, cx| project.open_local_buffer(file_path, cx))?
.await?;
// Extract documentation directly from the source
let documentation = definition_buffer.update(cx, |buffer, _| {
let line_number = location.range.start.line as usize;
// Get the text of the buffer
let text = buffer.text();
let lines: Vec<&str> = text.lines().collect();
// Look backwards from the definition line to find doc comments
let mut doc_lines = Vec::new();
let mut current_line = line_number.saturating_sub(1);
// Skip any attributes like #[derive(...)]
while current_line > 0
&& lines.get(current_line).map_or(false, |line| {
let trimmed = line.trim();
trimmed.starts_with("#[") || trimmed.is_empty()
})
{
current_line = current_line.saturating_sub(1);
}
// Collect doc comments
while current_line > 0 {
if let Some(line) = lines.get(current_line) {
let trimmed = line.trim();
if trimmed.starts_with("///") {
// Remove the /// and any leading space
let doc_text = trimmed
.strip_prefix("///")
.unwrap_or("")
.strip_prefix(" ")
.unwrap_or_else(|| trimmed.strip_prefix("///").unwrap_or(""));
doc_lines.push(doc_text.to_string());
} else if !trimmed.is_empty() {
// Stop at the first non-doc, non-empty line
break;
}
}
current_line = current_line.saturating_sub(1);
}
// Reverse to get correct order
doc_lines.reverse();
// Also get the actual definition line
let definition = lines
.get(line_number)
.map(|s| s.trim().to_string())
.unwrap_or_else(|| hint_value.clone());
if doc_lines.is_empty() {
None
} else {
let docs = doc_lines.join("\n");
Some((definition, docs))
}
})?;
if let Some((definition, docs)) = documentation {
// Format as markdown with the definition as a code block
let formatted_docs = format!("```rust\n{}\n```\n\n{}", definition, docs);
editor
.update_in(cx, |editor, window, cx| {
hover_popover::hover_at_inlay(
editor,
InlayHover {
tooltip: HoverBlock {
text: formatted_docs,
kind: HoverBlockKind::Markdown,
},
range: highlight,
},
window,
cx,
);
})
.log_err();
} else {
// Fallback to showing just the location info
let fallback_text = format!(
"{}\n\nDefined in at line {}",
hint_value.trim(),
// filename, // TODO
location.range.start.line + 1
);
editor
.update_in(cx, |editor, window, cx| {
hover_popover::hover_at_inlay(
editor,
InlayHover {
tooltip: HoverBlock {
text: fallback_text,
kind: HoverBlockKind::PlainText,
},
range: highlight,
},
window,
cx,
);
})
.log_err();
}
anyhow::Ok(())
}
.log_err()
.await
})
.detach();
}
pub fn show_link_definition( pub fn show_link_definition(
shift_held: bool, shift_held: bool,
editor: &mut Editor, editor: &mut Editor,