71 lines
1.9 KiB
Ruby
71 lines
1.9 KiB
Ruby
class Flex < Formula
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desc "Fast Lexical Analyzer, generates Scanners (tokenizers)"
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homepage "https://github.com/westes/flex"
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url "https://github.com/westes/flex/releases/download/v2.6.4/flex-2.6.4.tar.gz"
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sha256 "e87aae032bf07c26f85ac0ed3250998c37621d95f8bd748b31f15b33c45ee995"
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license "BSD-2-Clause"
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revision 1
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bottle do
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sha256 "902e2701bb4d8130fe3177211dda84b6ebc6a520467874a52bcd7ff043b949cc" => :catalina
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sha256 "2051ed8f0de322732b111f2cc82069e82f6dfd4d839e6d098bbebcd7f92220e6" => :mojave
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sha256 "9c224c27a3d40a53b6f778a6b825f8b4f14654080b144e50f1bec9cc608c757d" => :high_sierra
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sha256 "a958106ee0895b21c7577478b847ecdbc601ce6a723543c5da455bfe0eee5f8f" => :sierra
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end
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head do
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url "https://github.com/westes/flex.git"
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depends_on "autoconf" => :build
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depends_on "automake" => :build
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# https://github.com/westes/flex/issues/294
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depends_on "gnu-sed" => :build
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depends_on "libtool" => :build
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end
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keg_only :provided_by_macos
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depends_on "help2man" => :build
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depends_on "gettext"
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uses_from_macos "bison" => :build
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uses_from_macos "m4"
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def install
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if build.head?
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ENV.prepend_path "PATH", Formula["gnu-sed"].opt_libexec/"gnubin"
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system "./autogen.sh"
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end
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system "./configure", "--disable-dependency-tracking",
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"--disable-silent-rules",
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"--enable-shared",
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"--prefix=#{prefix}"
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system "make", "install"
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end
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test do
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(testpath/"test.flex").write <<~EOS
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CHAR [a-z][A-Z]
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%%
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{CHAR}+ printf("%s", yytext);
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[ \\t\\n]+ printf("\\n");
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%%
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int main()
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{
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yyin = stdin;
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yylex();
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}
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EOS
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system "#{bin}/flex", "test.flex"
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system ENV.cc, "lex.yy.c", "-L#{lib}", "-lfl", "-o", "test"
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assert_equal shell_output("echo \"Hello World\" | ./test"), <<~EOS
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Hello
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World
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EOS
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end
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end
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