HEADS UP: Switched to 1.8 source/target in build (in graphics repository).

[steve.x.northover at oracle.com]

See https://bugs.eclipse.org/bugs/show_bug.cgi?id=380190

You will need to apply the compiler patch.

Steve

On 13/05/2013 11:33 AM, Tom Schindl wrote:
> Perfect - I'll try to add an jdt-beta-updatesite to efxclipse.org so 
> that people can get this stuff installed easily.
>
> Tom
>
> On 13.05.13 17:29, steve.x.northover at oracle.com wrote:
>> Hey Tom!
>>
>> I can verify that bytecodes for defenders and lambdas are being
>> generated.  The following runs and gives the expected results:
>>
>> package junk;
>>
>> interface Fred {
>>      public void fred();
>>      public default int mary() {
>>          return 12;
>>      };
>> }
>>
>> public class Junk {
>>      interface IntegerMath {
>>          int operation(int a, int b);
>>      }
>>
>>      public int operateBinary(int a, int b, IntegerMath op) {
>>          return op.operation(a, b);
>>      }
>>
>>      public static void junk() {
>>          System.out.println("JUNK");
>>      }
>>
>>      public static void main(String... args) {
>>          Junk myApp = new Junk();
>>          IntegerMath addition = (a, b) -> {
>>              junk();
>>              System.out.println("Addition called");
>>              return a + b;
>>          };
>>          IntegerMath subtraction = (a, b) -> a - b;
>>          System.out.println("40 + 2 = " +
>>              myApp.operateBinary(40, 2, addition));
>>          System.out.println("20 - 10 = " +
>>              myApp.operateBinary(20, 10, subtraction));
>>
>>          Fred f = new Fred () {
>>              public void fred() {}
>>          };
>>          int x = f.mary();
>>          System.out.println(x);
>>
>>          //new Junk2();
>>      }
>> }
>>
>> Steve
>>
>> On 13/05/2013 11:17 AM, Tom Schindl wrote:
>>> Hi Steve,
>>>
>>> [...]
>>>> In the case of Eclipse, I have built the JDK8 Beta JDT plugins and am
>>>> self hosting with them.  I am in the process of evaluating whether 
>>>> they
>>>> will be sufficient.  It is also possible to run Eclipse using the 
>>>> patch
>>>> and put both JDK7 and JDK8 on the build path (JDK7 first). This will
>>>> allow you to see JDK7 classes first to avoid changes to the base
>>>> libraries.  At runtime, you should run against JDK8. Neither of these
>>>> solutions is great so we will have to wait and see.
>>>>
>>>
>>> Ok - keep me updated on this. IIRC the lambda stuff currently does NOT
>>> produce any bytecode (last time i checked it simply wrote null intead
>>> of the invoke dynamic).
>>>
>>> If this has changed in the meantime this is good news. So report back
>>> your findings I could make a JDT_Beta download available from
>>> efxclipse.org.
>>>
>>>
>>> It might make sense to host them in an extra branch instead of a JIRA,
>>> not? I think we should setup a bitbucket repo where we attach this
>>> (and patches who will follow) keep stuff compiling on JDK7 (see
>>> current RoboVM-Thread which does NOT support invoke dynamic).
>>>
>>> Danno could we do it in your repo?
>>>
>>> Tom
>>
>