homebrew-core/Formula/bnfc.rb

143 lines
4.2 KiB
Ruby

class Bnfc < Formula
desc "BNF Converter"
homepage "https://bnfc.digitalgrammars.com/"
url "https://github.com/BNFC/bnfc/archive/v2.8.3.tar.gz"
sha256 "ba0b6ab36954a0891b4ad3125cefdd6d441d2c73d174cd8eff344e68ae2fd203"
license "GPL-2.0"
revision 1
head "https://github.com/BNFC/bnfc.git"
bottle do
cellar :any_skip_relocation
sha256 "a56684b9fecdf25ef5c77f9124c8c8c3cdbf5f21405a6135eaf47680c387d231" => :catalina
sha256 "47cbd943179d46b54c4ff614d613662a4db766ed6f80ec980060acdf6a1c0812" => :mojave
sha256 "a92f1907cedabddf2a10a994de224cb15221786742beeb1cde87ac47dc17ff76" => :high_sierra
end
depends_on "cabal-install" => [:build, :test]
depends_on "ghc" => [:build, :test]
depends_on "sphinx-doc" => :build
depends_on "antlr" => :test
depends_on "openjdk" => :test
uses_from_macos "bison" => :test
uses_from_macos "flex" => :test
on_linux do
depends_on "make" => [:build, :test]
end
def install
cd "source" do
system "cabal", "v2-update"
system "cabal", "v2-install", *std_cabal_v2_args
doc.install "changelog"
doc.install "src/BNF.cf" => "BNF.cf"
end
cd "docs" do
system "make", "text", "man", "SPHINXBUILD=#{Formula["sphinx-doc"].bin/"sphinx-build"}"
cd "_build" do
doc.install "text" => "manual"
man1.install "man/bnfc.1" => "bnfc.1"
end
end
doc.install %w[README.md examples]
end
test do
ENV.prepend_create_path "PATH", testpath/"tools-bin"
(testpath/"calc.cf").write <<~EOS
EAdd. Exp ::= Exp "+" Exp1 ;
ESub. Exp ::= Exp "-" Exp1 ;
EMul. Exp1 ::= Exp1 "*" Exp2 ;
EDiv. Exp1 ::= Exp1 "/" Exp2 ;
EInt. Exp2 ::= Integer ;
coercions Exp 2 ;
entrypoints Exp ;
comment "(#" "#)" ;
EOS
(testpath/"test.calc").write "14 * (# Parsing is fun! #) (3 + 2 / 5 - 8)"
treespace = if build.head?
" "
else
""
end
check_out = <<~EOS
Parse Successful!
[Abstract Syntax]
(EMul (EInt 14) (ESub (EAdd (EInt 3) (EDiv (EInt 2) (EInt 5))) (EInt 8)))
[Linearized Tree]
14 * (3 + 2 / 5 - 8)#{treespace}
EOS
mktemp "c-test" do
system bin/"bnfc", "-m", "-o.", "--c", testpath/"calc.cf"
system "make", "CC=#{ENV.cc}", "CCFLAGS=#{ENV.cflags}"
test_out = shell_output("./Testcalc #{testpath}/test.calc")
assert_equal check_out, test_out
end
mktemp "cxx-test" do
system bin/"bnfc", "-m", "-o.", "--cpp", testpath/"calc.cf"
system "make", "CC=#{ENV.cxx}", "CCFLAGS=#{ENV.cxxflags}"
test_out = shell_output("./Testcalc #{testpath}/test.calc")
assert_equal check_out, test_out
end
mktemp "haskell-test" do
system "cabal", "v2-update"
system "cabal", "v2-install",
"--jobs=#{ENV.make_jobs}", "--max-backjumps=100000",
"--install-method=copy", "--installdir=#{testpath/"tools-bin"}",
"alex", "happy"
system bin/"bnfc", "-m", "-o.", "--haskell", "--ghc", "-d", testpath/"calc.cf"
system "make"
test_out = shell_output("./Calc/Test #{testpath/"test.calc"}")
check_out_hs = <<~EOS
#{testpath/"test.calc"}
Parse Successful!
[Abstract Syntax]
EMul (EInt 14) (ESub (EAdd (EInt 3) (EDiv (EInt 2) (EInt 5))) (EInt 8))
[Linearized tree]
14 * (3 + 2 / 5 - 8)
EOS
assert_equal check_out_hs, test_out
end
mktemp "java-test" do
ENV.deparallelize # only the Java test needs this
jdk_dir = Formula["openjdk"].bin
antlr_bin = Formula["antlr"].bin/"antlr"
antlr_jar = Dir[Formula["antlr"].prefix/"antlr-*-complete.jar"][0]
ENV["CLASSPATH"] = ".:#{antlr_jar}"
system bin/"bnfc", "-m", "-o.", "--java", "--antlr4", testpath/"calc.cf"
system "make", "JAVAC=#{jdk_dir/"javac"}", "JAVA=#{jdk_dir/"java"}", "LEXER=#{antlr_bin}", "PARSER=#{antlr_bin}"
test_out = shell_output("#{jdk_dir}/java calc.Test #{testpath}/test.calc")
space = " "
check_out_j = <<~EOS
Parse Succesful!
[Abstract Syntax]
(EMul (EInt 14) (ESub (EAdd (EInt 3) (EDiv (EInt 2) (EInt 5))) (EInt 8)))#{space}
[Linearized Tree]
14 * (3 + 2 / 5 - 8)
EOS
assert_equal check_out_j, test_out
end
end
end