43 lines
1.3 KiB
Ruby
43 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/2.1.1/re2c-2.1.1.tar.xz"
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sha256 "036ee264fafd5423141ebd628890775aa9447a4c4068a6307385d7366fe711f8"
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license :public_domain
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bottle do
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sha256 arm64_big_sur: "66d9bb165a554be7a2eda77188b965378ef3de63d73caa026019295edf21a517"
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sha256 big_sur: "92542633618857c419aad645a7b772bf42cae681a7e19e351e1d9b49c95fdac5"
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sha256 catalina: "5d03da5d1265e3169f34f5c70a08f96dbee0dc0e617363f16db2a516e2f5c76b"
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sha256 mojave: "7235fbeb0e362988b5137e7c3be85e9af7742848bff96f69135d38d9ebb1bc04"
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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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