41 lines
1.3 KiB
Ruby
41 lines
1.3 KiB
Ruby
class Re2c < Formula
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desc "Generate C-based recognizers from regular expressions"
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homepage "https://re2c.org"
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url "https://github.com/skvadrik/re2c/releases/download/1.2.1/re2c-1.2.1.tar.xz"
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sha256 "1a4cd706b5b966aeffd78e3cf8b24239470ded30551e813610f9cd1a4e01b817"
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bottle do
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sha256 "628da2992f2fdc6ac4ab38b6fdbcef1a52b4e8ccca3ee31735e97b05000baf52" => :catalina
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sha256 "2d9f14907212e68580afa38eae450c8c0a9157169a1fd00e6faf27f872134433" => :mojave
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sha256 "3a39e5869772c6774b53c22e59d5e4fd195349962aedcf65731cd6eb0cb54e9d" => :high_sierra
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sha256 "20d4035575168abd66a65bfda9e93efa4d2aae6ef6597f1bd66ffa3028151dff" => :sierra
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end
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def install
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system "./configure", "--disable-dependency-tracking",
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"--prefix=#{prefix}"
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system "make", "install"
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end
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test do
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(testpath/"test.c").write <<~EOS
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unsigned int stou (const char * s)
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{
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# define YYCTYPE char
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const YYCTYPE * YYCURSOR = s;
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unsigned int result = 0;
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for (;;)
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{
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/*!re2c
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re2c:yyfill:enable = 0;
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"\x00" { return result; }
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[0-9] { result = result * 10 + c; continue; }
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*/
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}
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}
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EOS
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system bin/"re2c", "-is", testpath/"test.c"
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end
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end
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