homebrew-core/Formula/re2c.rb
2017-09-15 10:40:42 +02:00

42 lines
1.3 KiB
Ruby

class Re2c < Formula
desc "Generate C-based recognizers from regular expressions"
homepage "http://re2c.org"
url "https://github.com/skvadrik/re2c/releases/download/1.0.2/re2c-1.0.2.tar.gz"
sha256 "b0919585b50095a00e55b99212a81bc67c5fab61d877aca0d9d061aff3093f52"
bottle do
cellar :any_skip_relocation
sha256 "25df7de4cc1b76ee7847452b1bd4943854e177a0018e9d44b60a3564767059d4" => :high_sierra
sha256 "37ed44e39dc5fc334383fa1288713ba050f7201b88f46f2e06214d705ebc6aa7" => :sierra
sha256 "874c58f6fffdbc854ccdf28d9dfaeaab861850731a2a1cdea9c5f0c11f11888e" => :el_capitan
sha256 "a64bf6f56f3bed9c64318f1c590892e53b103f4372eee3e41af7916ecbfde05c" => :yosemite
end
def install
system "./configure", "--disable-dependency-tracking",
"--prefix=#{prefix}"
system "make", "install"
end
test do
(testpath/"test.c").write <<-EOS.undent
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