added example/test code for issue zaach#387

examples/Makefile

@@ -45,7 +45,8 @@ GITHUB_ISSUE_TARGETS =                                          \
 			issue-348                                           \
 			issue-357-url-lexing                                \
 			issue-360                                           \
-			issue-362
+			issue-362 											\
+			issue-387
 
 
 CODEGEN_TARGETS =                                               \
@@ -416,6 +417,11 @@ issue-360:
 # build *AND* run the test:
 issue-362: documentation--custom-lexer-ULcase documentation--custom-lexer-ULcase-alt
 
+# build *AND* run the test:
+issue-387:
+	$(JISON) --main ./$@.jison
+	$(NODE) ./output/$@/$@.js
+
 jscore:
 	$(JISON) --main ./$@.jison
 

examples/issue-387.jison

@@ -0,0 +1,48 @@
+/* lexical grammar */
+%lex
+%%
+
+\s+                   /* skip whitespace */
+"constructor"         return 'constructor'
+<<EOF>>               return 'EOF'
+.                     return 'INVALID'
+
+/lex
+
+/* operator associations and precedence */
+
+%start expressions
+
+%% /* language grammar */
+
+expressions
+    :  "constructor" EOF
+        {return "constructor";}
+    ;
+
+
+%%
+
+// 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('constructor');
+    console.log("test #1: 'constructor' ==> ", rv, parser.yy);
+    assert.equal(rv, 'constructor');
+
+    // if you get past the assert(), you're good.
+    console.log("tested OK");
+};
+