homebrew-core/Formula/re2c.rb
2018-09-01 03:34:39 +08:00

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/1.1.1/re2c-1.1.1.tar.gz"
sha256 "856597337ea00b24ce91f549f79e6eece1b92ba5f8b63292cad66c14ac7451cf"
bottle do
cellar :any_skip_relocation
sha256 "51b7b472896a0469a279710ba252ad175ae0879a1a2df5b01af3483d27b2b2ab" => :mojave
sha256 "acb0d0eebcc5bdc18571a551c9e8bb9bf01a60e0fa97b6ca29773059e9bcceec" => :high_sierra
sha256 "e1809196ec0d125c664e46404a7aae0ec8a2c778e1e1db7036f75a772d62edee" => :sierra
sha256 "3c419cef2ce49afffa70662ce865bbde4f58844cf9752ccb1390c10c9e47a2d1" => :el_capitan
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