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LSP: Move diagnostic handling from Application to Editor

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There is no functional change to the move - it's just moving the code
into helix-view under a new method `Editor::handle_lsp_diagnostics` -
thought there is a typo fix, the removal of an unnecessary clone (for
the document's language config) and the removal of some nesting.

Co-authored-by: Sofus Addington <sofus@addington.dk>
This commit is contained in:
Michael Davis 2025-02-04 09:54:39 -05:00
parent 16ff06370f
commit 62625eda46
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2 changed files with 99 additions and 98 deletions
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105
helix-term/src/application.rs
View file

@ -11,7 +11,6 @@ use helix_view::{
align_view,
document::{DocumentOpenError, DocumentSavedEventResult},
editor::{ConfigEvent, EditorEvent},
events::DiagnosticsDidChange,
graphics::Rect,
theme,
tree::Layout,
@ -33,7 +32,7 @@ use crate::{
use log::{debug, error, info, warn};
#[cfg(not(feature = "integration"))]
use std::io::stdout;
use std::{collections::btree_map::Entry, io::stdin, path::Path, sync::Arc};
use std::{io::stdin, path::Path, sync::Arc};
#[cfg(not(windows))]
use anyhow::Context;
@ -748,7 +747,7 @@ impl Application {
);
}
}
Notification::PublishDiagnostics(mut params) => {
Notification::PublishDiagnostics(params) => {
let uri = match helix_core::Uri::try_from(params.uri) {
Ok(uri) => uri,
Err(err) => {
@ -761,100 +760,12 @@ impl Application {
log::error!("Discarding publishDiagnostic notification sent by an uninitialized server: {}", language_server.name());
return;
}
// have to inline the function because of borrow checking...
let doc = self.editor.documents.values_mut()
.find(|doc| doc.uri().is_some_and(|u| u == uri))
.filter(|doc| {
if let Some(version) = params.version {
if version != doc.version() {
log::info!("Version ({version}) is out of date for {uri:?} (expected ({}), dropping PublishDiagnostic notification", doc.version());
return false;
}
}
true
});
let mut unchanged_diag_sources = Vec::new();
if let Some(doc) = &doc {
let lang_conf = doc.language.clone();
if let Some(lang_conf) = &lang_conf {
if let Some(old_diagnostics) = self.editor.diagnostics.get(&uri) {
if !lang_conf.persistent_diagnostic_sources.is_empty() {
// Sort diagnostics first by severity and then by line numbers.
// Note: The `lsp::DiagnosticSeverity` enum is already defined in decreasing order
params
.diagnostics
.sort_by_key(|d| (d.severity, d.range.start));
}
for source in &lang_conf.persistent_diagnostic_sources {
let new_diagnostics = params
.diagnostics
.iter()
.filter(|d| d.source.as_ref() == Some(source));
let old_diagnostics = old_diagnostics
.iter()
.filter(|(d, d_server)| {
*d_server == server_id
&& d.source.as_ref() == Some(source)
})
.map(|(d, _)| d);
if new_diagnostics.eq(old_diagnostics) {
unchanged_diag_sources.push(source.clone())
}
}
}
}
}
let diagnostics = params.diagnostics.into_iter().map(|d| (d, server_id));
// Insert the original lsp::Diagnostics here because we may have no open document
// for diagnosic message and so we can't calculate the exact position.
// When using them later in the diagnostics picker, we calculate them on-demand.
let diagnostics = match self.editor.diagnostics.entry(uri) {
Entry::Occupied(o) => {
let current_diagnostics = o.into_mut();
// there may entries of other language servers, which is why we can't overwrite the whole entry
current_diagnostics.retain(|(_, lsp_id)| *lsp_id != server_id);
current_diagnostics.extend(diagnostics);
current_diagnostics
// Sort diagnostics first by severity and then by line numbers.
}
Entry::Vacant(v) => v.insert(diagnostics.collect()),
};
// Sort diagnostics first by severity and then by line numbers.
// Note: The `lsp::DiagnosticSeverity` enum is already defined in decreasing order
diagnostics
.sort_by_key(|(d, server_id)| (d.severity, d.range.start, *server_id));
if let Some(doc) = doc {
let diagnostic_of_language_server_and_not_in_unchanged_sources =
|diagnostic: &lsp::Diagnostic, ls_id| {
ls_id == server_id
&& diagnostic.source.as_ref().map_or(true, |source| {
!unchanged_diag_sources.contains(source)
})
};
let diagnostics = Editor::doc_diagnostics_with_filter(
&self.editor.language_servers,
&self.editor.diagnostics,
doc,
diagnostic_of_language_server_and_not_in_unchanged_sources,
);
doc.replace_diagnostics(
diagnostics,
&unchanged_diag_sources,
Some(server_id),
);
let doc = doc.id();
helix_event::dispatch(DiagnosticsDidChange {
editor: &mut self.editor,
doc,
});
}
self.editor.handle_lsp_diagnostics(
language_server.id(),
uri,
params.version,
params.diagnostics,
);
}
Notification::ShowMessage(params) => {
if self.config.load().editor.lsp.display_messages {