Re: compting of frame stack content

  Le 14/10/2010 09:23, luc peuvrier at home a écrit :
> I replace the RETURN opcode of the methods by a GOTO "endLabel"
> So in visitMaxs implementation method I have to generate the code as 
> below:
> methodVisitor.visitLabel(label2);
> methodVisitor.visitFrame(F_SAME, 0, null, 1, new Object[]{XXX} );
> methodVisitor.visitMethodInsn(
> /**/INVOKESTATIC, JOAFIP_CALL_BACK,
> /**/"methodEnd$JOAFIP$", LJAVA_LANG_OBJECT_V_DESC);
> methodVisitor.visitInsn(returnOpcode);
> my problem is how compute XXX according to the return type, since the 
> value to return is in stack after the jump.
> I know the return type using "Type returnType = 
> Type.getReturnType(desc);" where desc is the method descriptor.
> Regards
> Luc

Luc don't try to compute frame and max local/stack yourself,
let ASM do that for you.

If you have performance problem, you can add them later.

Rémi

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