46 lines
1.4 KiB
Ruby
46 lines
1.4 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/v2.6.3/flex-2.6.3.tar.gz"
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sha256 "68b2742233e747c462f781462a2a1e299dc6207401dac8f0bbb316f48565c2aa"
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bottle do
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sha256 "ab9447f77fbef802c703ad7e8ac606e217205880b55b20b90c2f58674f848162" => :sierra
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sha256 "3f8c8003a5ae1f88cc397590c85787f1710f8798fcfd9ed8691d81f3df20e926" => :el_capitan
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sha256 "915dad088301f2bb607c3af7a7eb13946500e1a0566767e91ecbbcaf7c813725" => :yosemite
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end
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keg_only :provided_by_osx, "some formulae require a newer version of flex"
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depends_on "help2man" => :build
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depends_on "gettext"
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def install
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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.undent
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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.undent
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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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