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Add error handling to set language command

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If you type a nonexistant language an appropriate message will show,
and the language won't be changed.
This commit is contained in:
A-Walrus 2022-08-08 22:04:41 +03:00 committed by Blaž Hrastnik
parent cc47d3fb9d
commit e8add6f46d
2 changed files with 15 additions and 2 deletions
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11
helix-term/src/commands/typed.rs
View File

@ -1253,7 +1253,16 @@ fn language(
} }
let doc = doc_mut!(cx.editor); let doc = doc_mut!(cx.editor);
doc.set_language_by_language_id(&args[0], cx.editor.syn_loader.clone());
let loader = cx.editor.syn_loader.clone();
if args[0] == "text" {
doc.set_language(None, Some(loader))
} else {
let ok = doc.set_language_by_language_id(&args[0], loader);
if !ok {
anyhow::bail!("invalid language: {}", args[0]);
}
}
doc.detect_indent_and_line_ending(); doc.detect_indent_and_line_ending();
let id = doc.id(); let id = doc.id();

6
helix-view/src/document.rs
View File

@ -683,9 +683,13 @@ pub fn set_language_by_language_id(
&mut self, &mut self,
language_id: &str, language_id: &str,
config_loader: Arc<syntax::Loader>, config_loader: Arc<syntax::Loader>,
) { ) -> bool {
let language_config = config_loader.language_config_for_language_id(language_id); let language_config = config_loader.language_config_for_language_id(language_id);
if language_config.is_none() {
return false;
}
self.set_language(language_config, Some(config_loader)); self.set_language(language_config, Some(config_loader));
true
} }
/// Set the LSP. /// Set the LSP.