43 lines
1.3 KiB
Ruby
43 lines
1.3 KiB
Ruby
class Menhir < Formula
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desc "LR(1) parser generator for the OCaml programming language"
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homepage "http://cristal.inria.fr/~fpottier/menhir"
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url "http://cristal.inria.fr/~fpottier/menhir/menhir-20171013.tar.gz"
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sha256 "7c1bfed0bda443c40408c2bb2e2a4bae2f6168ac1d5a7e258117dcea83c51cbf"
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bottle do
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sha256 "b5f79dc5cbf10bdf50474cea7e3e9f5c605a6e15d886fa4f77512ee302a3f7b8" => :high_sierra
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sha256 "58a80d67fc3014c439ad1103b05acf31ecbccaaf20ed10360225071a4c6d215b" => :sierra
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sha256 "f180a3f9a9fd67eefc68104928fa7cbda1b2ed79cc9a9ee091fa511aeb02c576" => :el_capitan
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end
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depends_on "ocamlbuild" => :build
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depends_on "ocaml"
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def install
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system "make", "PREFIX=#{prefix}", "all"
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system "make", "PREFIX=#{prefix}", "install"
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end
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test do
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(testpath/"test.mly").write <<-EOS.undent
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%token PLUS TIMES EOF
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%left PLUS
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%left TIMES
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%token<int> INT
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%start<int> prog
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%%
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prog: x=exp EOF { x }
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exp: x = INT { x }
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| lhs = exp; op = op; rhs = exp { op lhs rhs }
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%inline op: PLUS { fun x y -> x + y }
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| TIMES { fun x y -> x * y }
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EOS
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system "#{bin}/menhir", "--dump", "--explain", "--infer", "test.mly"
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assert_predicate testpath/"test.ml", :exist?
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assert_predicate testpath/"test.mli", :exist?
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end
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end
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