When experimenting with invokedynamic or even just method handles,
always compile with -target 7 (or -XDinvokedynamic) and run with -XX:
+EnableInvokeDynamic. These defaults will get better when the EG
converges on the spec.
The API docs don't get built, and javac claims that java.dyn doesn't
exist, for the same reason. I made an error (in configuration
management) in the makefile which controls which APIs are officially
visible. The same makefile variable ${CORE_PKGS} controls (a) which
classes get javadoc, and (b) which javac can see. Quite logical, in
hindsight. :-) We're fixing this in b59.
I have done a build with the config change and from that build I can
browse the API and run javac w/o the extra "-cp rt.jar". Xiomara is
going to run some more extensive builds and tests, the results of
which I hope will be available in the next OpenJDK build.
Meanwhile, I'll release the patch to the makefile in MLVM. (And see
below; it's simple.)
There may be another problem. I have been getting irregular success
from javac on Mac OS when building. Sometimes the wrong javac gets
used, instead of the javac built from the mlvm/langtools patches. The
symptom is that the build breaks with the compiler reporting errors on
method handle invocation sites (because it's not upgraded). This must
happen if a partial jdk-only build is done, but it seems to happen
even if a full build of langtools + jdk is done. Not sure yet what's
up; maybe I haven't done enough "rm -rf build", or maybe there's a
problem with the wrong tools.jar getting picked up by javac. There is
a rumor that Mac OS javac is unusual in that it puts the system
tools.jar on the bootclasspath, making it hard to override.
I'll look at your NPE also, Remi. Thanks for the great reports.
-- John
diff --git a/make/docs/CORE_PKGS.gmk b/make/docs/CORE_PKGS.gmk
--- a/make/docs/CORE_PKGS.gmk
+++ b/make/docs/CORE_PKGS.gmk
@@ -97,6 +97,7 @@
java.awt.print \
java.beans \
java.beans.beancontext \
+ java.dyn \
java.io \
java.lang \
java.lang.annotation \
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