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Reduce indentation in run_compiler

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This commit is contained in:
bjorn3 2024-12-07 17:13:33 +00:00
parent 85414ebea7
commit 23fda35811
1 changed files with 21 additions and 22 deletions
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43
compiler/rustc_interface/src/interface.rs
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@ -495,32 +495,31 @@ pub fn run_compiler<R: Send>(config: Config, f: impl FnOnce(&Compiler) -> R + Se
// - Panic, e.g. triggered by `abort_if_errors` or a fatal error.
//
// We must run `finish_diagnostics` in both cases.
let res = {
let res = std::panic::catch_unwind(std::panic::AssertUnwindSafe(|| f(&compiler)));
let res = std::panic::catch_unwind(std::panic::AssertUnwindSafe(|| f(&compiler)));
compiler.sess.finish_diagnostics();
compiler.sess.finish_diagnostics();
// If error diagnostics have been emitted, we can't return an
// error directly, because the return type of this function
// is `R`, not `Result<R, E>`. But we need to communicate the
// errors' existence to the caller, otherwise the caller might
// mistakenly think that no errors occurred and return a zero
// exit code. So we abort (panic) instead, similar to if `f`
// had panicked.
if res.is_ok() {
compiler.sess.dcx().abort_if_errors();
}
// If error diagnostics have been emitted, we can't return an
// error directly, because the return type of this function
// is `R`, not `Result<R, E>`. But we need to communicate the
// errors' existence to the caller, otherwise the caller might
// mistakenly think that no errors occurred and return a zero
// exit code. So we abort (panic) instead, similar to if `f`
// had panicked.
if res.is_ok() {
compiler.sess.dcx().abort_if_errors();
}
// Also make sure to flush delayed bugs as if we panicked, the
// bugs would be flushed by the Drop impl of DiagCtxt while
// unwinding, which would result in an abort with
// "panic in a destructor during cleanup".
compiler.sess.dcx().flush_delayed();
// Also make sure to flush delayed bugs as if we panicked, the
// bugs would be flushed by the Drop impl of DiagCtxt while
// unwinding, which would result in an abort with
// "panic in a destructor during cleanup".
compiler.sess.dcx().flush_delayed();
match res {
Ok(res) => res,
Err(err) => std::panic::resume_unwind(err),
}
let res = match res {
Ok(res) => res,
// Resume unwinding if a panic happened.
Err(err) => std::panic::resume_unwind(err),
};
let prof = compiler.sess.prof.clone();