Detect filetype on :write (#1141)

fixes #1136

* removed a log::info

* removed temp.rs

* cargo clippy no longer complains

* new get_lang_server function

* get_lang_server is now launch_language_server

* launch_lang_server will now close the previous one

* better code readability

* remove resfresh_ls(and a wrong comment)
pull/1169/head
RustyStriker 3 years ago committed by GitHub
parent 3b2b7341a5
commit 103b5125e4
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GPG Key ID: 4AEE18F83AFDEB23

@ -1907,7 +1907,7 @@ mod cmd {
let jobs = &mut cx.jobs; let jobs = &mut cx.jobs;
let (_, doc) = current!(cx.editor); let (_, doc) = current!(cx.editor);
if let Some(path) = path { if let Some(ref path) = path {
doc.set_path(Some(path.as_ref())) doc.set_path(Some(path.as_ref()))
.context("invalid filepath")?; .context("invalid filepath")?;
} }
@ -1927,6 +1927,11 @@ mod cmd {
}); });
let future = doc.format_and_save(fmt); let future = doc.format_and_save(fmt);
cx.jobs.add(Job::new(future).wait_before_exiting()); cx.jobs.add(Job::new(future).wait_before_exiting());
if path.is_some() {
let id = doc.id();
let _ = cx.editor.refresh_language_server(id);
}
Ok(()) Ok(())
} }

@ -271,6 +271,53 @@ impl Editor {
Ok(()) Ok(())
} }
/// Refreshes the language server for a given document
pub fn refresh_language_server(&mut self, doc_id: DocumentId) -> Option<()> {
let doc = self.documents.get_mut(&doc_id)?;
doc.detect_language(Some(&self.theme), &self.syn_loader);
Self::launch_language_server(&mut self.language_servers, doc)
}
/// Launch a language server for a given document
fn launch_language_server(ls: &mut helix_lsp::Registry, doc: &mut Document) -> Option<()> {
// try to find a language server based on the language name
let language_server = doc.language.as_ref().and_then(|language| {
ls.get(language)
.map_err(|e| {
log::error!(
"Failed to initialize the LSP for `{}` {{ {} }}",
language.scope(),
e
)
})
.ok()
});
if let Some(language_server) = language_server {
// only spawn a new lang server if the servers aren't the same
if Some(language_server.id()) != doc.language_server().map(|server| server.id()) {
if let Some(language_server) = doc.language_server() {
tokio::spawn(language_server.text_document_did_close(doc.identifier()));
}
let language_id = doc
.language()
.and_then(|s| s.split('.').last()) // source.rust
.map(ToOwned::to_owned)
.unwrap_or_default();
// TODO: this now races with on_init code if the init happens too quickly
tokio::spawn(language_server.text_document_did_open(
doc.url().unwrap(),
doc.version(),
doc.text(),
language_id,
));
doc.set_language_server(Some(language_server));
}
}
Some(())
}
fn _refresh(&mut self) { fn _refresh(&mut self) {
for (view, _) in self.tree.views_mut() { for (view, _) in self.tree.views_mut() {
let doc = &self.documents[&view.doc]; let doc = &self.documents[&view.doc];
@ -401,37 +448,7 @@ impl Editor {
} else { } else {
let mut doc = Document::open(&path, None, Some(&self.theme), Some(&self.syn_loader))?; let mut doc = Document::open(&path, None, Some(&self.theme), Some(&self.syn_loader))?;
// try to find a language server based on the language name let _ = Self::launch_language_server(&mut self.language_servers, &mut doc);
let language_server = doc.language.as_ref().and_then(|language| {
self.language_servers
.get(language)
.map_err(|e| {
log::error!(
"Failed to initialize the LSP for `{}` {{ {} }}",
language.scope(),
e
)
})
.ok()
});
if let Some(language_server) = language_server {
let language_id = doc
.language()
.and_then(|s| s.split('.').last()) // source.rust
.map(ToOwned::to_owned)
.unwrap_or_default();
// TODO: this now races with on_init code if the init happens too quickly
tokio::spawn(language_server.text_document_did_open(
doc.url().unwrap(),
doc.version(),
doc.text(),
language_id,
));
doc.set_language_server(Some(language_server));
}
self.new_document(doc) self.new_document(doc)
}; };

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