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oacgnol's profile
toon long
toon long
toon long
@oacgnol

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toon long

@oacgnol

scala gardener @stripe, sweat(shirt/pants) connoisseur. he/him

austin, formerly brooklyn
Joined September 2010

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    1. P. Oscar Boykin‏ @posco 22 Aug 2019
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      This thread on bootstrapping the scala compiler is quite interesting: https://contributors.scala-lang.org/t/compiling-scala-and-sbt-for-debian-distro/3620 … I think this points to a missing value in compiler writing: bootstrap-ability from pure source.

      5 replies 1 retweet 12 likes
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    2. P. Oscar Boykin‏ @posco 22 Aug 2019
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      Maybe start with a hand-written assembler, then assembly implementation of C compiler, then C++ compiler written in C, ...

      1 reply 0 retweets 1 like
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    3. P. Oscar Boykin‏ @posco 22 Aug 2019
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      I wonder if it is an anti-pattern to implement a compiler for a language in itself (unless there is another even very slow) compiler for said language.

      7 replies 1 retweet 3 likes
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    4. James Iry‏ @jamesiry 22 Aug 2019
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      Replying to @posco

      There are good reasons to do it though, especially in open source. If you are fanatical enough of language X to want to contribute to the compiler, what’s the one language I know you’ll be happy to write?

      2 replies 0 retweets 1 like
    5. P. Oscar Boykin‏ @posco 22 Aug 2019
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      Replying to @jamesiry

      yeah, but maybe in those cases you have a compiler that can at least evaluate the self-hosting compiler. It doesn't need to rule out bad programs or be fast: it only needs to produce the same outputs for any inputs that the self-hosted compiler would need to.

      2 replies 0 retweets 0 likes
    6. P. Oscar Boykin‏ @posco 22 Aug 2019
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      Replying to @posco @jamesiry

      i.e. you don't need to typecheck, for instance, since we are only going to run this on code that also passes the self-hosted one. We don't need GC (maybe we could reference count and that be fine to compile the compiler...)

      1 reply 0 retweets 1 like
    7. James Iry‏ @jamesiry 22 Aug 2019
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      Replying to @posco

      Haven’t given it deep thought but it seems like there’s a way to solve this by immutably recording cryptographic hashes of both a compiler and the compiler that produced it (and so on in a chain to whatever depth) and having 3rd parties rebuild and verify that the it all matches

      2 replies 0 retweets 0 likes
    8. James Iry‏ @jamesiry 22 Aug 2019
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      Replying to @jamesiry @posco

      Which I think means I’m ready to create a startup that “Bootstraps Compilers on the Blockchain.” Please send me phat VC moneys plz

      1 reply 0 retweets 7 likes
      toon long‏ @oacgnol 22 Aug 2019
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      Replying to @jamesiry @posco

      me reading previous tweet: ah crap, a blockchain me reading this tweet: *chefs kiss*

      7:34 PM - 22 Aug 2019
      0 replies 0 retweets 0 likes

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