64 lines
2.6 KiB
Ruby
64 lines
2.6 KiB
Ruby
class Bison < Formula
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desc "Parser generator"
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homepage "https://www.gnu.org/software/bison/"
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# X.Y.9Z are beta releases that sometimes get accidentally uploaded to the release FTP
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url "https://ftp.gnu.org/gnu/bison/bison-3.8.2.tar.xz"
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mirror "https://ftpmirror.gnu.org/bison/bison-3.8.2.tar.xz"
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sha256 "9bba0214ccf7f1079c5d59210045227bcf619519840ebfa80cd3849cff5a5bf2"
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license "GPL-3.0-or-later"
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version_scheme 1
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bottle do
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sha256 cellar: :any_skip_relocation, arm64_ventura: "f877d389e78b14a070d21c554e39abff55d2fb6d7f0ae58de746f6edd4509ca1"
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sha256 cellar: :any_skip_relocation, arm64_monterey: "78ce4e93936c37005e944b21e4b4d305725bc66f6c675acf2eb13cf72bac01cc"
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sha256 cellar: :any_skip_relocation, arm64_big_sur: "fb649b4e0b071ccfdce51193942366e894fb08be9798109eb718fb323369509e"
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sha256 cellar: :any_skip_relocation, ventura: "fc0224d45c74ee561128eb9df366ccb08698b1d659cfb92ea746e57da0108806"
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sha256 cellar: :any_skip_relocation, monterey: "feb2484898408e8fb2008f4c0ff39042bffb026ea4463d33fd0dfb5952895f1c"
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sha256 cellar: :any_skip_relocation, big_sur: "a4fa1a0bf3245d8ef6a0d24d35df5222269174a02408784d870e4a882434712d"
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sha256 cellar: :any_skip_relocation, catalina: "5a79db63b8a10bc6211ed6a9dcef6df91c26d9fe3420047c285960dede637ea5"
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sha256 cellar: :any_skip_relocation, mojave: "4b51739abc4ac54df710147848eb0cd12ff32bc0b86b9112d0de378a74273328"
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sha256 cellar: :any_skip_relocation, x86_64_linux: "d708c29c7e44f28a4fa77d353ff7adfbe673b31cef6f24c3c384a03ba01b3608"
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end
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keg_only :provided_by_macos
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uses_from_macos "m4"
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def install
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system "./configure", "--disable-dependency-tracking",
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"--enable-relocatable",
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"--prefix=/output",
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"M4=m4"
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system "make", "install", "DESTDIR=#{buildpath}"
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prefix.install Dir["#{buildpath}/output/*"]
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end
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test do
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(testpath/"test.y").write <<~EOS
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%{ #include <iostream>
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using namespace std;
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extern void yyerror (char *s);
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extern int yylex ();
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%}
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%start prog
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%%
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prog: // empty
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| prog expr '\\n' { cout << "pass"; exit(0); }
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;
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expr: '(' ')'
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| '(' expr ')'
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| expr expr
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;
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%%
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char c;
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void yyerror (char *s) { cout << "fail"; exit(0); }
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int yylex () { cin.get(c); return c; }
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int main() { yyparse(); }
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EOS
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system "#{bin}/bison", "test.y"
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system ENV.cxx, "test.tab.c", "-o", "test"
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assert_equal "pass", shell_output("echo \"((()(())))()\" | ./test")
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assert_equal "fail", shell_output("echo \"())\" | ./test")
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end
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end
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