44 lines
1.3 KiB
Ruby
44 lines
1.3 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://downloads.sourceforge.net/flex/flex-2.6.0.tar.bz2"
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sha256 "24e611ef5a4703a191012f80c1027dc9d12555183ce0ecd46f3636e587e9b8e9"
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bottle do
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sha256 "5ff47ed93df4c58a708c88d5638180dc989e17f1ac0ef2caf13bba20d32e646a" => :el_capitan
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sha256 "a66259c848d0afb9b825b8f3cf9a303c33e815d5ba419a1c5401342d1ff43a9f" => :yosemite
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sha256 "b2aeeaaa2b4de481c5b4fad5e3250b5e3e878bb7dd321b5234575d2b184a86be" => :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-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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