66 lines
2 KiB
Ruby
66 lines
2 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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bottle do
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sha256 "f326d68bc795592b3211e0ab7401222cdfe4f510cd5d3e5fd364678ae8cba2b2" => :mojave
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sha256 "0abf12786daea0fb1be796e24f41163f41943eb3dfb7ba71e4c09f1821083c11" => :high_sierra
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sha256 "89fb9ae2ac9be0f60706f40379cdfa51ced78f1638ac8729bc0074e4fcde70cf" => :sierra
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sha256 "95c2da56e5487b53ee4afe3ed52a7f59ffe86df4508768b3e48ef042d66e6cc1" => :el_capitan
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sha256 "c8aaca29a77a6b3e2383f7d80b12eccbbf131162e5157a4a320117d4c564a4bf" => :yosemite
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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, "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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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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