add another test/example grammar which fails in vanilla jison. Copied from BNFC/bnfc#132. Related to zaach#205: reduce/reduce conflict in jison, not in bison...

Author: GerHobbelt

examples/issue-bnfc-132.jison

@@ -0,0 +1,54 @@
+// see https://github.com/BNFC/bnfc/pull/132
+// related to https://github.com/zaach/jison/issues/205
+//
+// reduce/reduce conflict in jison, not in bison...
+
+%lex
+
+%%
+\s+                   /* skip whitespace */
+foo                   return 'foo';
+bar                   return 'bar';
+
+/lex
+
+%start BAR
+
+%%
+
+BAR : FOO "bar" | ;
+FOO : | "foo" ;
+
+%%
+
+
+
+
+// feature of the GH fork: specify your own main.
+//
+// compile with
+// 
+//      jison -o test.js --main that/will/be/me.jison
+//
+// then run
+//
+//      node ./test.js
+//
+// to see the output.
+
+var assert = require("assert");
+
+parser.main = function () {
+    var rv = parser.parse("a(b, c)");
+    console.log("a(b, c) ==> ", rv);
+    assert.equal(rv, "a:([\"b\",[[\",\",\"c\"]]])");
+
+    var rv = parser.parse("a(b)");
+    console.log("a(b) ==> ", rv);
+    assert.equal(rv, "a:([\"b\",[]])");
+
+
+    // if you get past the assert(), you're good.
+    console.log("tested OK");
+};
+