Distinguishing between different access modifiers for a method in the MethodVisitor
Aniket Panse <[email protected]> Mon, 26 Feb 2018 18:43:18 -0600
| Newsgroups | gmane.comp.java.objectweb.asm |
|---|---|
| Message-ID | <CAKpTao9DGAsojT3kkzxrYPbFea9Wx_-6nMCbUYb_pFNDMYGCeg@mail.gmail.com> |
Hello List!
I'm trying to call a function before every "synchronized" method, but I'm
having trouble with it.
Say I have a class like so:
public class HelloWorld {
public static void main() {
myMethod();
}
public synchronized myMethod() {
System.out.println("Hello World!");
}
}
I'd like to print something out every time a synchronized method is called.
So I write a MethodAdaptor:
public class MethodAdapter extends MethodVisitor {
@Override
public void visitMethodInsn(int opcode, String owner, String name, String
desc, boolean itf) {
// I'll add a call to System.out.println() here
// but how do I know whether this method is synchronized??
}
}
I realize that the class visitor does have access to the method's
modifiers, but how do I make that information available to the
MethodAdapter?
Thanks!
-- Aniket
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