48 lines
1.5 KiB
Ruby
48 lines
1.5 KiB
Ruby
class Flex < Formula
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desc "Fast Lexical Analyzer, generates Scanners (tokenizers)"
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homepage "http://flex.sourceforge.net"
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url "https://github.com/westes/flex/releases/download/v2.6.1/flex-2.6.1.tar.xz"
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sha256 "2c7a412c1640e094cb058d9b2fe39d450186e09574bebb7aa28f783e3799103f"
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bottle do
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rebuild 1
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sha256 "ef2445631f180459f022f25e199a1d1ef3aff14adf597ff089c86d15c19adc45" => :sierra
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sha256 "b9f97a19146f3086b4084e83c91c30329b3536fc3032687de724f8408c2e2e3b" => :el_capitan
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sha256 "36715dd9edb6e16caf33e1d5e6b87447da1bd40fb49325e18d7269bc162bad81" => :yosemite
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sha256 "0a322eea192fb9b68e869d180c9c7c0ec099d72c574505c8af1ba5485a601e95" => :mavericks
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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 "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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