antlr@3: import from homebrew/versions.

Formula/antlr@3.rb

@@ -0,0 +1,54 @@
+class AntlrAT3 < Formula
+  desc "Antlr3 has a C API which has been dropped in Antlr4."
+  homepage "http://www.antlr.org/"
+  url "http://www.antlr3.org/download/antlr-3.4-complete.jar"
+  sha256 "9d3e866b610460664522520f73b81777b5626fb0a282a5952b9800b751550bf7"
+
+  depends_on :java
+
+  def install
+    libexec.install "antlr-3.4-complete.jar"
+    (share+"java").install_symlink "#{libexec}/antlr-3.4-complete.jar" => "antlr3.jar"
+    (bin+"antlr3").write <<-EOS.undent
+    #!/bin/sh
+    java -jar #{libexec}/antlr-3.4-complete.jar "$@"
+    EOS
+  end
+
+  test do
+    exppath = testpath/"Exp.g"
+    exppath.write <<-EOS.undent
+    grammar Exp;
+    eval returns [double value]
+        :    exp=atomExp {$value = $exp.value;}
+        ;
+    atomExp returns [double value]
+        :    n=Number                {$value = Double.parseDouble($n.text);}
+        ;
+    Number
+        :    ('0'..'9')+ ('.' ('0'..'9')+)?
+        ;
+    WS
+        :   (' ' | '\\t' | '\\r'| '\\n') {\$channel=HIDDEN;}
+        ;
+    EOS
+    javapath = testpath/"ANTLRDemo.java"
+    javapath.write <<-EOS.undent
+    import org.antlr.runtime.*;
+    public class ANTLRDemo {
+        public static void main(String[] args) throws Exception {
+            ANTLRStringStream in = new ANTLRStringStream("42");
+            ExpLexer lexer = new ExpLexer(in);
+            CommonTokenStream tokens = new CommonTokenStream(lexer);
+            ExpParser parser = new ExpParser(tokens);
+            System.out.println(parser.eval()); // print the value
+        }
+    }
+    EOS
+    ENV.prepend "CLASSPATH", "#{share}/java/antlr3.jar", ":"
+    ENV.prepend "CLASSPATH", ".", ":"
+    system "#{bin}/antlr3", "Exp.g"
+    system "javac", "ANTLRDemo.java"
+    assert_match("42.0", pipe_output("java ANTLRDemo"))
+  end
+end

formula_renames.json

@@ -3,6 +3,7 @@
   "ansible19": "ansible@19",
   "ansible20": "ansible@20",
   "antlr2": "antlr@2",
+  "antlr3": "antlr@3",
   "beanstalk": "beanstalkd",
   "cloog-ppl015": "cloog@0.15",
   "cloog018": "cloog",