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Code Issues Packages 1 Wiki Activity

fix(lsp): improve exception handling on tsc snapshots (#9628)

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Refs #9348
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Kitson Kelly 2021-03-01 11:53:20 +11:00 committed by GitHub
parent c2a7386a42
commit dbdbe7a1cf
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1 changed files with 26 additions and 19 deletions
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45
cli/lsp/tsc.rs
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@ -1074,7 +1074,7 @@ struct State<'a> {
last_id: usize,
response: Option<Response>,
state_snapshot: StateSnapshot,
snapshots: HashMap<(Cow<'a, str>, Cow<'a, str>), String>,
snapshots: HashMap<(ModuleSpecifier, Cow<'a, str>), String>,
}
impl<'a> State<'a> {
@ -1092,18 +1092,23 @@ impl<'a> State<'a> {
/// If a snapshot is missing from the state cache, add it.
fn cache_snapshot(
state: &mut State,
specifier: String,
specifier: &ModuleSpecifier,
version: String,
) -> Result<(), AnyError> {
if !state
.snapshots
.contains_key(&(specifier.clone().into(), version.clone().into()))
.contains_key(&(specifier.clone(), version.clone().into()))
{
let s = resolve_url(&specifier)?;
let content = state.state_snapshot.documents.content(&s)?.unwrap();
let content = state
.state_snapshot
.documents
.content(specifier)?
.ok_or_else(|| {
anyhow!("Specifier unexpectedly doesn't have content: {}", specifier)
})?;
state
.snapshots
.insert((specifier.into(), version.into()), content);
.insert((specifier.clone(), version.into()), content);
}
Ok(())
}
@ -1135,9 +1140,8 @@ fn dispose(
args: SourceSnapshotArgs,
) -> Result<bool, AnyError> {
let mark = state.state_snapshot.performance.mark("op_dispose");
state
.snapshots
.remove(&(args.specifier.into(), args.version.into()));
let specifier = resolve_url(&args.specifier)?;
state.snapshots.remove(&(specifier, args.version.into()));
state.state_snapshot.performance.measure(mark);
Ok(true)
}
@ -1158,15 +1162,18 @@ fn get_change_range(
args: GetChangeRangeArgs,
) -> Result<Value, AnyError> {
let mark = state.state_snapshot.performance.mark("op_get_change_range");
cache_snapshot(state, args.specifier.clone(), args.version.clone())?;
let specifier = resolve_url(&args.specifier)?;
if state.state_snapshot.documents.contains_key(&specifier) {
cache_snapshot(state, &specifier, args.version.clone())?;
}
if let Some(current) = state
.snapshots
.get(&(args.specifier.clone().into(), args.version.clone().into()))
.get(&(specifier.clone(), args.version.clone().into()))
{
if let Some(prev) = state.snapshots.get(&(
args.specifier.clone().into(),
args.old_version.clone().into(),
)) {
if let Some(prev) = state
.snapshots
.get(&(specifier, args.old_version.clone().into()))
{
state.state_snapshot.performance.measure(mark);
Ok(text::get_range_change(prev, current))
} else {
@ -1205,10 +1212,10 @@ fn get_length(
if let Some(Some(asset)) = state.state_snapshot.assets.get(&specifier) {
Ok(asset.length)
} else if state.state_snapshot.documents.contains_key(&specifier) {
cache_snapshot(state, args.specifier.clone(), args.version.clone())?;
cache_snapshot(state, &specifier, args.version.clone())?;
let content = state
.snapshots
.get(&(args.specifier.into(), args.version.into()))
.get(&(specifier, args.version.into()))
.unwrap();
state.state_snapshot.performance.measure(mark);
Ok(content.encode_utf16().count())
@ -1235,10 +1242,10 @@ fn get_text(state: &mut State, args: GetTextArgs) -> Result<String, AnyError> {
if let Some(Some(content)) = state.state_snapshot.assets.get(&specifier) {
content.text.clone()
} else if state.state_snapshot.documents.contains_key(&specifier) {
cache_snapshot(state, args.specifier.clone(), args.version.clone())?;
cache_snapshot(state, &specifier, args.version.clone())?;
state
.snapshots
.get(&(args.specifier.into(), args.version.into()))
.get(&(specifier, args.version.into()))
.unwrap()
.clone()
} else {