41 lines
1.2 KiB
Ruby
41 lines
1.2 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/2.0/re2c-2.0.tar.xz"
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sha256 "89a9d7ee14be10e3779ea7b2c8ea4a964afce6e76b8dbcd5479940681db46d20"
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bottle do
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sha256 "1f5cba0326bd4e86224cbbfea090b9b492da4d82b680ace1f516a6818b133c3e" => :catalina
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sha256 "56db2c3832a9321e5edea069ab3bee2121ac3c1c347fd3a7451497405243f065" => :mojave
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sha256 "1d1a64d03a9307a2ec03d4eb9b3e378c604a3c2bb713fa7869199bfdd291e0ce" => :high_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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