ASM 4.0 released

this version brings only minor changes compared to 4.0 RC2 (in 
particular there is no API change). But its brings many changes compared 
to the previous stable release, ASM 3.3.1 (see 
http://asm.ow2.org/jdiff33to40/changes.html):
- full support of Java 7. ASM 3.3.1 does not work with Java 7 classes 
because of many changes to the class file format, including new constant 
pool types.
- support of the Java 7 invokedynamic encoding and bootstrap method 
arguments. Practically, this means that invokedynamic no longer triggers 
a call to visitMethodInsn but uses a specific new visitInvokeDynamicInsn 
method.
- use of generics and varargs in the ASM API. To use the 1.5 compatible 
API you have to compile using all/asm-debug-all-*.jar which is 1.5 
compatible and also contains the debug information. When running you can 
use all/asm-all-*.jar or several asm-*jar depending on your usage.
- use of abstract classes instead of interfaces for ClassVisitor, 
FieldVisitor, etc. The goal is to be able to ensure backward binary 
compatibility in future ASM versions. Look at the new chapters 5 and 10 
in the ASM User Guide to learn how to write visitors that will remain 
valid in future versions.
- as a consequence, ClassAdapter and MethodAdapter have been merged into 
ClassVisitor and MethodVisitor, classes using multiple interface 
inheritance have been removed (e.g. MemberNode, EmptyVisitor) or adapted 
(e.g. trace and asmifier classes in asm.util).
- many bug fixes and other improvements.

The ASM team

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