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Add reset_err_count() to errors::Handler #43778

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merged 1 commit into from
Aug 30, 2017

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topecongiro
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The motivation here is to allow rustfmt to recover from parse errors after failing to parse macros (cc rust-lang/rustfmt#1742).
r? @nrc

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aidanhs commented Aug 10, 2017

Thanks for the PR @topecongiro! We'll check in now and again to make sure @nrc or another reviewer gets to this soon.

@alexcrichton alexcrichton added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Aug 10, 2017
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friendly ping @nrc !

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@arielb1
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arielb1 commented Aug 22, 2017

friendly ping @nrc !

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nrc commented Aug 22, 2017

@bors: r+

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bors commented Aug 22, 2017

📌 Commit a326948 has been approved by nrc

@nrc nrc added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Aug 22, 2017
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arielb1 commented Aug 22, 2017

rustc relies on err_count being non-zero if an error happened to avoid ICEs. Could you at least add a comment that this method is dangerous @topecongiro?

@bors r-

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nrc commented Aug 22, 2017

@bors r-

@@ -303,6 +303,10 @@ impl Handler {
self.continue_after_error.set(continue_after_error);
}

pub fn reset_err_count(&self) {
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Could you add a comment to this stating that it should not be called in rustc, only by tools (it would break the compiler's error handling)

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@arielb1 @nrc Thanks for comments! I will update shortly.

@arielb1 arielb1 added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Aug 22, 2017
The motivation here is to allow rustfmt to recover from parse errors
after failing to parse macros.
@topecongiro topecongiro force-pushed the handler-reset-err-count branch from a326948 to 601e3da Compare August 23, 2017 12:56
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Updated & rebased.

@carols10cents carols10cents added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Aug 28, 2017
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Looks like this is back in your court @nrc !

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arielb1 commented Aug 29, 2017

@bors r+

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bors commented Aug 29, 2017

📌 Commit 601e3da has been approved by arielb1

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arielb1 commented Aug 29, 2017

@bors rollup

@arielb1 arielb1 added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Aug 29, 2017
arielb1 pushed a commit to arielb1/rust that referenced this pull request Aug 29, 2017
…, r=arielb1

Add reset_err_count() to errors::Handler

The motivation here is to allow rustfmt to recover from parse errors after failing to parse macros (cc rust-lang/rustfmt#1742).
r? @nrc
arielb1 pushed a commit to arielb1/rust that referenced this pull request Aug 29, 2017
…, r=arielb1

Add reset_err_count() to errors::Handler

The motivation here is to allow rustfmt to recover from parse errors after failing to parse macros (cc rust-lang/rustfmt#1742).
r? @nrc
bors added a commit that referenced this pull request Aug 29, 2017
Rollup of 12 pull requests

- Successful merges: #43705, #43778, #43918, #44076, #44117, #44121, #44126, #44134, #44135, #44141, #44144, #44158
- Failed merges:
@bors bors merged commit 601e3da into rust-lang:master Aug 30, 2017
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Thank you!

@topecongiro topecongiro deleted the handler-reset-err-count branch August 30, 2017 10:59
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7 participants