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-rw-r--r--helix-term/src/commands/lsp.rs117
1 files changed, 87 insertions, 30 deletions
diff --git a/helix-term/src/commands/lsp.rs b/helix-term/src/commands/lsp.rs
index 13d62b5d..0b0d1db4 100644
--- a/helix-term/src/commands/lsp.rs
+++ b/helix-term/src/commands/lsp.rs
@@ -651,7 +651,7 @@ pub fn code_action(cx: &mut Context) {
log::debug!("code action: {:?}", code_action);
if let Some(ref workspace_edit) = code_action.edit {
log::debug!("edit: {:?}", workspace_edit);
- apply_workspace_edit(editor, offset_encoding, workspace_edit);
+ let _ = apply_workspace_edit(editor, offset_encoding, workspace_edit);
}
// if code action provides both edit and command first the edit
@@ -757,19 +757,50 @@ pub fn apply_document_resource_op(op: &lsp::ResourceOp) -> std::io::Result<()> {
}
}
+#[derive(Debug)]
+pub struct ApplyEditError {
+ pub kind: ApplyEditErrorKind,
+ pub failed_change_idx: usize,
+}
+
+#[derive(Debug)]
+pub enum ApplyEditErrorKind {
+ DocumentChanged,
+ FileNotFound,
+ UnknownURISchema,
+ IoError(std::io::Error),
+ // TODO: check edits before applying and propagate failure
+ // InvalidEdit,
+}
+
+impl ToString for ApplyEditErrorKind {
+ fn to_string(&self) -> String {
+ match self {
+ ApplyEditErrorKind::DocumentChanged => "document has changed".to_string(),
+ ApplyEditErrorKind::FileNotFound => "file not found".to_string(),
+ ApplyEditErrorKind::UnknownURISchema => "URI schema not supported".to_string(),
+ ApplyEditErrorKind::IoError(err) => err.to_string(),
+ }
+ }
+}
+
+///TODO make this transactional (and set failureMode to transactional)
pub fn apply_workspace_edit(
editor: &mut Editor,
offset_encoding: OffsetEncoding,
workspace_edit: &lsp::WorkspaceEdit,
-) {
- let mut apply_edits = |uri: &helix_lsp::Url, text_edits: Vec<lsp::TextEdit>| {
+) -> Result<(), ApplyEditError> {
+ let mut apply_edits = |uri: &helix_lsp::Url,
+ version: Option<i32>,
+ text_edits: Vec<lsp::TextEdit>|
+ -> Result<(), ApplyEditErrorKind> {
let path = match uri.to_file_path() {
Ok(path) => path,
Err(_) => {
let err = format!("unable to convert URI to filepath: {}", uri);
log::error!("{}", err);
editor.set_error(err);
- return;
+ return Err(ApplyEditErrorKind::UnknownURISchema);
}
};
@@ -780,11 +811,19 @@ pub fn apply_workspace_edit(
let err = format!("failed to open document: {}: {}", uri, err);
log::error!("{}", err);
editor.set_error(err);
- return;
+ return Err(ApplyEditErrorKind::FileNotFound);
}
};
let doc = doc_mut!(editor, &doc_id);
+ if let Some(version) = version {
+ if version != doc.version() {
+ let err = format!("outdated workspace edit for {path:?}");
+ log::error!("{err}, expected {} but got {version}", doc.version());
+ editor.set_error(err);
+ return Err(ApplyEditErrorKind::DocumentChanged);
+ }
+ }
// Need to determine a view for apply/append_changes_to_history
let selections = doc.selections();
@@ -808,31 +847,13 @@ pub fn apply_workspace_edit(
let view = view_mut!(editor, view_id);
doc.apply(&transaction, view.id);
doc.append_changes_to_history(view);
+ Ok(())
};
- if let Some(ref changes) = workspace_edit.changes {
- log::debug!("workspace changes: {:?}", changes);
- for (uri, text_edits) in changes {
- let text_edits = text_edits.to_vec();
- apply_edits(uri, text_edits)
- }
- return;
- // Not sure if it works properly, it'll be safer to just panic here to avoid breaking some parts of code on which code actions will be used
- // TODO: find some example that uses workspace changes, and test it
- // for (url, edits) in changes.iter() {
- // let file_path = url.origin().ascii_serialization();
- // let file_path = std::path::PathBuf::from(file_path);
- // let file = std::fs::File::open(file_path).unwrap();
- // let mut text = Rope::from_reader(file).unwrap();
- // let transaction = edits_to_changes(&text, edits);
- // transaction.apply(&mut text);
- // }
- }
-
if let Some(ref document_changes) = workspace_edit.document_changes {
match document_changes {
lsp::DocumentChanges::Edits(document_edits) => {
- for document_edit in document_edits {
+ for (i, document_edit) in document_edits.iter().enumerate() {
let edits = document_edit
.edits
.iter()
@@ -844,15 +865,26 @@ pub fn apply_workspace_edit(
})
.cloned()
.collect();
- apply_edits(&document_edit.text_document.uri, edits);
+ apply_edits(
+ &document_edit.text_document.uri,
+ document_edit.text_document.version,
+ edits,
+ )
+ .map_err(|kind| ApplyEditError {
+ kind,
+ failed_change_idx: i,
+ })?;
}
}
lsp::DocumentChanges::Operations(operations) => {
log::debug!("document changes - operations: {:?}", operations);
- for operation in operations {
+ for (i, operation) in operations.iter().enumerate() {
match operation {
lsp::DocumentChangeOperation::Op(op) => {
- apply_document_resource_op(op).unwrap();
+ apply_document_resource_op(op).map_err(|io| ApplyEditError {
+ kind: ApplyEditErrorKind::IoError(io),
+ failed_change_idx: i,
+ })?;
}
lsp::DocumentChangeOperation::Edit(document_edit) => {
@@ -867,13 +899,36 @@ pub fn apply_workspace_edit(
})
.cloned()
.collect();
- apply_edits(&document_edit.text_document.uri, edits);
+ apply_edits(
+ &document_edit.text_document.uri,
+ document_edit.text_document.version,
+ edits,
+ )
+ .map_err(|kind| ApplyEditError {
+ kind,
+ failed_change_idx: i,
+ })?;
}
}
}
}
}
+
+ return Ok(());
}
+
+ if let Some(ref changes) = workspace_edit.changes {
+ log::debug!("workspace changes: {:?}", changes);
+ for (i, (uri, text_edits)) in changes.iter().enumerate() {
+ let text_edits = text_edits.to_vec();
+ apply_edits(uri, None, text_edits).map_err(|kind| ApplyEditError {
+ kind,
+ failed_change_idx: i,
+ })?;
+ }
+ }
+
+ Ok(())
}
fn goto_impl(
@@ -1297,7 +1352,9 @@ pub fn rename_symbol(cx: &mut Context) {
}
};
match block_on(future) {
- Ok(edits) => apply_workspace_edit(cx.editor, offset_encoding, &edits),
+ Ok(edits) => {
+ let _ = apply_workspace_edit(cx.editor, offset_encoding, &edits);
+ }
Err(err) => cx.editor.set_error(err.to_string()),
}
},