more band aid coming - Object methods on 'any' tvars

[Maurizio Cimadamore]

On 17/01/15 21:34, Maurizio Cimadamore wrote:
> Thanks for the report; I will fix this.
Should be fixed by latest push.

Thanks
Maurizio
>
> Maurizio
>
> On 17/01/15 13:00, Richard Warburton wrote:
>> Hi,
>>
>> Actually it appears to be that you can't call the object method on 
>> any expression that's more complex that referencing a variable. Eg:
>>
>>     public static <any T> void fail(T[] values) {
>>         get(values).toString();
>>     }
>>
>>     public static <any T> T get(T[] values) {
>>         return values[0];
>>     }
>>
>> Also NPEs.
>>
>>
>> On Sat, Jan 17, 2015 at 12:36 PM, Richard Warburton 
>> <richard.warburton at gmail.com <mailto:richard.warburton at gmail.com>> 
>> wrote:
>>
>>     Hi Maurizio,
>>
>>     I think I've found a bug here. You can't call the object methods
>>     on anyified arrays. Here's a minimal test case and stack trace:
>>
>>         public static <any T> void fail(T[] values) {
>>             values[0].toString();
>>         }
>>
>>     Workaround:
>>
>>         public static <any T> void fail(T[] values) {
>>             T value = values[0];
>>             value.toString();
>>         }
>>
>>     Javac stacktrace:
>>
>>     java.lang.NullPointerException
>>             at com.sun.tools.javac.comp.Attr.selectSym(Attr.java:3433)
>>             at com.sun.tools.javac.comp.Attr.selectSym(Attr.java:3420)
>>             at com.sun.tools.javac.comp.Attr.visitSelect(Attr.java:3258)
>>             at
>> com.sun.tools.javac.tree.JCTree$JCFieldAccess.accept(JCTree.java:2082)
>>             at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:543)
>>             at com.sun.tools.javac.comp.Attr.visitApply(Attr.java:1800)
>>             at
>> com.sun.tools.javac.tree.JCTree$JCMethodInvocation.accept(JCTree.java:1608)
>>             at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:543)
>>             at com.sun.tools.javac.comp.Attr.attribExpr(Attr.java:589)
>>             at com.sun.tools.javac.comp.Attr.visitExec(Attr.java:1568)
>>             at
>> com.sun.tools.javac.tree.JCTree$JCExpressionStatement.accept(JCTree.java:1426)
>>             at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:543)
>>             at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:609)
>>             at com.sun.tools.javac.comp.Attr.attribStats(Attr.java:625)
>>             at com.sun.tools.javac.comp.Attr.visitBlock(Attr.java:1112)
>>             at
>> com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:994)
>>             at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:543)
>>             at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:609)
>>             at 
>> com.sun.tools.javac.comp.Attr.visitMethodDef(Attr.java:997)
>>             at
>> com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:843)
>>             at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:543)
>>             at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:609)
>>             at
>> com.sun.tools.javac.comp.Attr.attribClassBody(Attr.java:4404)
>>             at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:4312)
>>             at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:4234)
>>             at com.sun.tools.javac.comp.Attr.attrib(Attr.java:4209)
>>             at
>> com.sun.tools.javac.main.JavaCompiler.attribute(JavaCompiler.java:1230)
>>             at
>> com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:872)
>>             at com.sun.tools.javac.main.Main.compile(Main.java:249)
>>             at com.sun.tools.javac.main.Main.compile(Main.java:140)
>>             at com.sun.tools.javac.Main.compile(Main.java:56)
>>             at com.sun.tools.javac.Main.main(Main.java:42)
>>
>>     regards,
>>
>>       Richard Warburton
>>
>>     http://insightfullogic.com
>>     @RichardWarburto <http://twitter.com/richardwarburto>
>>
>>
>>
>>
>> -- 
>> regards,
>>
>>   Richard Warburton
>>
>> http://insightfullogic.com
>> @RichardWarburto <http://twitter.com/richardwarburto>
>