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rustc_privacy: Fix bugs in SanePrivacyVisitor #29726

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merged 2 commits into from Nov 11, 2015

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petrochenkov commented Nov 9, 2015

  • Check privacy sanity in all blocks, not only function bodies
  • Check all fields, not only named
  • Check all impl items, not only methods
  • Check default impls
  • Move the sanity check in the beginning of privacy checking, so others could rely on it

Technically it's a [breaking-change], but I expect no breakage because, well, it's sane privacy visitor, if code is broken it must be insane by definition!

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rust-highfive commented Nov 9, 2015

r? @alexcrichton

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petrochenkov commented Nov 9, 2015

I'm not actually sure if the part of SanePrivacyVisitor ensuring that there's no pub things in blocks is useful.
AFAIK, rustdoc wraps code snippets in main function, so you can't demonstrate publicity in these snippets, unless you turn off their compilation.
Maybe this restriction should be removed (or turned into warning)? cc @steveklabnik
src/librustc_privacy/lib.rs
hir::ItemTrait(..) | hir::ItemDefaultImpl(..) |
hir::ItemConst(..) | hir::ItemStatic(..) | hir::ItemStruct(..) |
hir::ItemFn(..) | hir::ItemMod(..) | hir::ItemTy(..) |
hir::ItemExternCrate(_) | hir::ItemUse(_) => {}

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I personally like to always have exhaustive matches wherever possible, e.g. it's easy to skim over this list and say "ah yeah pub is allowed on each of these". Perhaps this part could stay?
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alexcrichton commented Nov 10, 2015

Looks good to me! (just a minor nit)

Scheduling a crater run just to double check

@alexcrichton alexcrichton added the S-waiting-on-crater label Nov 10, 2015

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alexcrichton commented Nov 10, 2015

Crater reports one regression, but I believe it's spurious, so otherwise this should be good to go.

@alexcrichton alexcrichton removed the S-waiting-on-crater label Nov 10, 2015

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Use exhaustive matching
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41ccd44
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petrochenkov commented Nov 10, 2015

Updated with exhaustive matching.
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alexcrichton commented Nov 10, 2015

@bors: r+ 41ccd44

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bors commented Nov 11, 2015

⌛️ Testing commit 41ccd44 with merge ad3bd1b...

bors added a commit that referenced this pull request Nov 11, 2015

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Auto merge of #29726 - petrochenkov:privsan, r=alexcrichton 
- Check privacy sanity in all blocks, not only function bodies
- Check all fields, not only named
- Check all impl items, not only methods
- Check default impls
- Move the sanity check in the beginning of privacy checking, so others could rely on it

Technically it's a [breaking-change], but I expect no breakage because, well, it's *sane* privacy visitor, if code is broken it must be insane by definition!
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ad3bd1b
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@bors bors merged commit 41ccd44 into rust-lang:master Nov 11, 2015
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@petrochenkov petrochenkov deleted the petrochenkov:privsan branch Nov 22, 2015

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