homebrew-core/Formula/re2c.rb
2017-08-07 18:18:15 +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/0.16/re2c-0.16.tar.gz"
mirror "https://downloads.sourceforge.net/project/re2c/0.16/re2c-0.16.tar.gz"
sha256 "48c12564297641cceb5ff05aead57f28118db6277f31e2262437feba89069e84"
bottle do
cellar :any_skip_relocation
sha256 "c11f57cdde394a072ddb8952ebaaea37aafd3c8b6ac304d7bcb956a46f7818e3" => :sierra
sha256 "5ca925ec9bedadb50237ce862d7aeac99a55af1cb5468c47af711dcdea7a1256" => :el_capitan
sha256 "9050cac314fe497b42b42b23e52043973b0f800c1ab39a2791482ab6cdd254d6" => :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