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pcwalton's profile
Patrick Walton
Patrick Walton
Patrick Walton
@pcwalton

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Patrick Walton

@pcwalton

Research engineer at Mozilla

San Francisco, CA
pcwalton.github.io
Joined November 2009

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    1. Patrick Walton‏ @pcwalton 24 Jul 2018
      • Report Tweet
      • Report NetzDG Violation

      Two days spent so far debugging a manual COM reference count use-after-free issue in proprietary code. Maddening.

      1 reply 1 retweet 26 likes
    2. Joe Groff‏ @jckarter 25 Jul 2018
      • Report Tweet
      • Report NetzDG Violation
      Replying to @pcwalton

      I hear they have automatic reference counting these days

      1 reply 0 retweets 0 likes
    3. Patrick Walton‏ @pcwalton 25 Jul 2018
      • Report Tweet
      • Report NetzDG Violation
      Replying to @jckarter

      The problem was in manually-written Rust bindings to a library. :( We need better COM interop…

      1 reply 0 retweets 3 likes
    4. eddyb, thriving in isolation,‏ @eddyb_r 25 Jul 2018
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      Replying to @pcwalton @jckarter

      how big is the surface area in terms of C extensions, or does it need C++ at least? tempted to try and make a Rust-only bindgen with odd features like these

      2 replies 0 retweets 0 likes
      Patrick Walton‏ @pcwalton 25 Jul 2018
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      Replying to @eddyb_r @jckarter

      I think a design goal of COM was to allow autogenerated bindings (with automatic ref counting) for Visual Basic in 1991. We should do the same for Cocoa/Core Foundation, btw (is BridgeSupport what we want, @jckarter?)

      8:26 AM - 25 Jul 2018 from Dogpatch, San Francisco
      • 1 Like
      • eddyb, thriving in isolation,
      1 reply 0 retweets 1 like
        1. New conversation
        2. Joe Groff‏ @jckarter 25 Jul 2018
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          Replying to @pcwalton @eddyb_r

          I’m not sure what BridgeSupport is. Riding on Clang’s support for parsing ObjC headers and generating ObjC ABI structures is probably the best way; Swift does the former but rolls its own for the latter and suffers for it

          2 replies 0 retweets 0 likes
        3. Patrick Walton‏ @pcwalton 25 Jul 2018
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          Replying to @jckarter @eddyb_r

          Run “man BridgeSupport” :) @Sunfishcode had the same response (“what’s that?”) when I asked him about BridgeSupport, so I guess I’ll suggest avoiding it. Thanks!

          1 reply 0 retweets 0 likes
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