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Improve error message when the proc-macro server unexpectedly exits

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This commit is contained in:
Lukas Wirth 2024-07-01 14:30:21 +02:00
parent e6fd485683
commit c6709ffe05
4 changed files with 81 additions and 39 deletions
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2
crates/proc-macro-srv/src/lib.rs
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@ -204,6 +204,8 @@ fn expand_ra_span(
let macro_body = macro_body.to_subtree_resolved(CURRENT_API_VERSION, &span_data_table);
let attributes =
attributes.map(|it| it.to_subtree_resolved(CURRENT_API_VERSION, &span_data_table));
// Note, we spawn a new thread here so that thread locals allocation don't accumulate (this
// includes the proc-macro symbol interner)
let result = thread::scope(|s| {
let thread = thread::Builder::new()
.stack_size(EXPANDER_STACK_SIZE)