class Re2c < Formula desc "Generate C-based recognizers from regular expressions" homepage "http://re2c.org" url "https://downloads.sourceforge.net/project/re2c/re2c/0.14.3/re2c-0.14.3.tar.gz" sha256 "1c6806df599f3aef0804b576cfdf64bdba5ad590626dfca2d44e473460917e84" bottle do cellar :any_skip_relocation sha256 "63da94c4a7566d3c95c6e85ab3dcfc57b8e9178faa6c8e6e8e605f01c7a5a354" => :el_capitan sha256 "7040c6d1946125f13649a16b21ac9d44afd3c0539dfc2ce97e376c436b768141" => :yosemite sha256 "06528f7fb154253ba75560e7ea77845fda54e2cbb9257244c4ea63afd40d6fe4" => :mavericks sha256 "1cafc788466d50c7d1f68719b0fd62b9f2599a5909c4c280043d91e17d4aa183" => :mountain_lion end def install system "./configure", "--disable-debug", "--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