Changes in Java 9

Hannes Wallnöfer hannes.wallnoefer at oracle.com
Mon Dec 4 14:47:19 UTC 2017 

Hi Nils,

Are you just evaluating the script files you linked in your first message, or trying to do some further processing?

Using the jjs tool from JDK 9.0.1 I see no errors running both versions of CoffeeScript.

Hannes

> Am 03.12.2017 um 21:08 schrieb Nils Kilden-Pedersen <nilskp at gmail.com>:
> 
> Ok, the minified vs non-minified may not be identical. I cannot find the
> default parameters in the minified version, so perhaps those are removed.
> 
> What does remain however, is that I can compile minified cs2
> <http://coffeescript.org/v2/browser-compiler/coffeescript.js> on JDK 8_144,
> but not on 9.0.1.
> 
> 
> On Sun, Dec 3, 2017 at 1:39 PM, Nils Kilden-Pedersen <nilskp at gmail.com>
> wrote:
> 
>> Further testing with the un-minified code (cs2
>> <https://unpkg.com/coffeescript@2.0.3/lib/coffeescript/browser.js>, cs1
>> <https://unpkg.com/coffeescript@1.12.7/lib/coffee-script/browser.js>)
>> reveals the true problems in JDK 9.0.1
>> 
>> In cs2, it’s ES6 syntax (default args), which (unexpectedly for me at
>> least), works in JDK 8:
>> 
>>    <eval>:46:45 Expected , but found =
>>  CoffeeScript.eval = function(code, options = {}) {
>>                                             ^ in <eval> at line number 46 at column number 45
>> 
>> And in cs1 it’s require that’s unresolved (also works in JDK 8):
>> 
>> ReferenceError: "require" is not defined in <eval> at line number 7
>> 
>> ​
>> 
>> On Sun, Dec 3, 2017 at 11:02 AM, Nils Kilden-Pedersen <nilskp at gmail.com>
>> wrote:
>> 
>>> I just switched to the Java 9.0.1 runtime, and Nashorn now fails to parse
>>> the Coffeescript compiler, which worked fine in Java 8_144.
>>> 
>>> Coffeescript 2 compiler: http://coffeescript.org/v2/bro
>>> wser-compiler/coffeescript.js
>>> 
>>> v1 also fails: http://coffeescript.org/v1/bro
>>> wser-compiler/coffee-script.js
>>> 
>>> Exception is:
>>> 
>>> javax.script.ScriptException: SyntaxError: unexpected  in <eval> at line number 39 at column number 249736
>>>  at jdk.scripting.nashorn/jdk.nashorn.api.scripting.NashornScriptEngine.throwAsScriptException(NashornScriptEngine.java:469)
>>>  at jdk.scripting.nashorn/jdk.nashorn.api.scripting.NashornScriptEngine.evalImpl(NashornScriptEngine.java:425)
>>>  at jdk.scripting.nashorn/jdk.nashorn.api.scripting.NashornScriptEngine.access$300(NashornScriptEngine.java:72)
>>>  at jdk.scripting.nashorn/jdk.nashorn.api.scripting.NashornScriptEngine$3.eval(NashornScriptEngine.java:513)
>>>  at java.scripting/javax.script.CompiledScript.eval(CompiledScript.java:92)
>>>  at scuff.js.CoffeeScriptCompiler.compile(CoffeeScriptCompiler.scala:115)
>>>  at scuff.js.TestCoffeeScriptCompiler.cs2(TestCoffeeScriptCompiler.scala:114)
>>>  at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>  at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>>>  at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>>  at java.base/java.lang.reflect.Method.invoke(Method.java:564)
>>>  at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
>>>  at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
>>>  at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
>>>  at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
>>>  at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
>>>  at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
>>>  at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
>>>  at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
>>>  at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
>>>  at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
>>>  at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
>>>  at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
>>>  at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
>>>  at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
>>>  at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
>>>  at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:539)
>>>  at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:761)
>>>  at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:461)
>>>  at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:207)
>>> Caused by: <eval>:39:249736 SyntaxError: unexpected
>>>  at jdk.scripting.nashorn/jdk.nashorn.internal.objects.NativeError.initException(NativeError.java:135)
>>>  at jdk.scripting.nashorn/jdk.nashorn.internal.objects.NativeSyntaxError.<init>(NativeSyntaxError.java:73)
>>>  at jdk.scripting.nashorn/jdk.nashorn.internal.objects.NativeSyntaxError.<init>(NativeSyntaxError.java:77)
>>>  at jdk.scripting.nashorn/jdk.nashorn.internal.objects.NativeSyntaxError.constructor(NativeSyntaxError.java:98)
>>>  at jdk.scripting.nashorn.scripts/jdk.nashorn.internal.scripts.Script$Recompilation$2368$6956AA$\^eval\_.L:39-1#a#L:39-1#L:39#throwSyntaxError(<eval>:39)
>>>  at jdk.scripting.nashorn.scripts/jdk.nashorn.internal.scripts.Script$Recompilation$2364$253073AA$\^eval\_$cu1$restOf.L:39-1#a#L:39-8#L:39#parseError(<eval>:39)
>>>  at jdk.scripting.nashorn.scripts/jdk.nashorn.internal.scripts.Script$Recompilation$2359$\^eval\_$cu1$restOf.L:39-1#a#L:39-4#o#parse(<eval>:39)
>>>  at jdk.scripting.nashorn.scripts/jdk.nashorn.internal.scripts.Script$Recompilation$2343$\^eval\_$cu1$restOf.L:39-1#a#L:39-8#L:39#p(<eval>:39)
>>>  at jdk.scripting.nashorn.scripts/jdk.nashorn.internal.scripts.Script$Recompilation$2056$250675AA$\^eval\_.L:39-1#a#L:39-8#L:39#T#L:39(<eval>:39)
>>>  at jdk.scripting.nashorn.scripts/jdk.nashorn.internal.scripts.Script$Recompilation$1572$\^eval\_.:program(<eval>:41)
>>>  at jdk.scripting.nashorn/jdk.nashorn.internal.runtime.ScriptFunctionData.invoke(ScriptFunctionData.java:652)
>>>  at jdk.scripting.nashorn/jdk.nashorn.internal.runtime.ScriptFunction.invoke(ScriptFunction.java:513)
>>>  at jdk.scripting.nashorn/jdk.nashorn.internal.runtime.ScriptRuntime.apply(ScriptRuntime.java:517)
>>>  at jdk.scripting.nashorn/jdk.nashorn.api.scripting.NashornScriptEngine.evalImpl(NashornScriptEngine.java:420)
>>>  ... 28 more
>>> 
>>> ​
>>> 
>> 
>>

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