44 lines
1.4 KiB
Ruby
44 lines
1.4 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/2.2/re2c-2.2.tar.xz"
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sha256 "0fc45e4130a8a555d68e230d1795de0216dfe99096b61b28e67c86dfd7d86bda"
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license :public_domain
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bottle do
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sha256 arm64_big_sur: "9f32566ee362b6ebf98674a7bc9d642c03a120c105b32b28efd16ec1fdfe1dbc"
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sha256 big_sur: "622c04bf38ad6f7ff7f9ca272cf9dcbde186f0b16e3e51eed1ffc108db56adb7"
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sha256 catalina: "8dd19c7d8532026141d42d6893faf18e86b97053fd113f9f30a1271662108e25"
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sha256 mojave: "7092db76fdd568e0c162ffe2066e8318ec4102aab85b361098908ca49f535a0e"
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sha256 x86_64_linux: "f8ae38af6e0ef9a4131174fc66750498c1a3cca66e896ef2392632ef16a0e9a4"
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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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