Dave Brosius <dbrosius <at> apache.org> writes:
>
> Often times questions like, "How i do this?" can be most easily answered by
> BCELifier, a tool bundled with the distribution that given a java class,
> writes a BCEL program to generate that class.
>
Thansk for the suggestion, but using BCELified din't help me a lot. I've created
this class
public class Bcelify {
public static void main(String[] args) {
try {
JavaClass jclass = new
ClassParser("Bcelify.class").parse();
BCELifier b = new BCELifier(jclass, System.out);
b.start();
Class c = int.class;
System.out.println(c);
}
catch(Exception e) {
System.out.println(e.getMessage());
}
}
}
The instuction I'm interested in is:
int.class;
that in the resultin code is generated with
factory.createFieldAccess("java.lang.Integer", "TYPE", new
ObjectType("java.lang.Class"), Constants.GETSTATIC);
and this is ok. The problem is that if instead of a primitive I use a class name
writing something like String.class I have an "Unknown or invalid constant type
at 42" error. Watching the bytecode the classobject is obtained by a ldc_w
instruction but I don't know how to create it in BCEL casue I've no idea of what
argument I have to pass it.
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