homebrew-core/Formula/re2c.rb

46 lines
1.6 KiB
Ruby

class Re2c < Formula
desc "Generate C-based recognizers from regular expressions"
homepage "https://re2c.org"
url "https://github.com/skvadrik/re2c/releases/download/2.2/re2c-2.2.tar.xz"
sha256 "0fc45e4130a8a555d68e230d1795de0216dfe99096b61b28e67c86dfd7d86bda"
license :public_domain
bottle do
sha256 arm64_monterey: "4a95c3cdce967731404c853fe7c56f2e37c9602710af795987780acf5e30c383"
sha256 arm64_big_sur: "9f32566ee362b6ebf98674a7bc9d642c03a120c105b32b28efd16ec1fdfe1dbc"
sha256 monterey: "5ae23f0895217f59237686bdbfc4c2e4c40d4d0ac1e6e45f5032e874c9f9f3ba"
sha256 big_sur: "622c04bf38ad6f7ff7f9ca272cf9dcbde186f0b16e3e51eed1ffc108db56adb7"
sha256 catalina: "8dd19c7d8532026141d42d6893faf18e86b97053fd113f9f30a1271662108e25"
sha256 mojave: "7092db76fdd568e0c162ffe2066e8318ec4102aab85b361098908ca49f535a0e"
sha256 x86_64_linux: "f8ae38af6e0ef9a4131174fc66750498c1a3cca66e896ef2392632ef16a0e9a4"
end
def install
system "./configure", "--disable-dependency-tracking",
"--prefix=#{prefix}"
system "make", "install"
end
test do
(testpath/"test.c").write <<~EOS
unsigned int stou (const char * s)
{
# define YYCTYPE char
const YYCTYPE * YYCURSOR = s;
unsigned int result = 0;
for (;;)
{
/*!re2c
re2c:yyfill:enable = 0;
"\x00" { return result; }
[0-9] { result = result * 10 + c; continue; }
*/
}
}
EOS
system bin/"re2c", "-is", testpath/"test.c"
end
end