Examples of org.ow2.asm.MethodVisitor.visitLabel()

org.ow2.asm.MethodVisitor.visitLabel()
Visits a label. A label designates the instruction that will be visited just after it. @param label a {@link Label Label} object.

        mv.visitVarInsn(LSTORE, 21);
        mv.visitLdcInsn(new Long(11L));
        mv.visitVarInsn(LSTORE, 23);
        mv.visitLdcInsn(new Long(11L));
        mv.visitVarInsn(LSTORE, 25);
        mv.visitLabel(l1);
        mv.visitInsn(ICONST_0);
        mv.visitInsn(IRETURN);
        mv.visitFrame(F_SAME1,
                0,
                null,

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        mv.visitFrame(F_SAME1,
                0,
                null,
                1,
                new Object[] { "java/lang/Throwable" });
        mv.visitLabel(l2);
        mv.visitVarInsn(ASTORE, 27);
        mv.visitLabel(l3);
        mv.visitInsn(ICONST_0);
        mv.visitInsn(IRETURN);
        mv.visitMaxs(0, 0);

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                null,
                1,
                new Object[] { "java/lang/Throwable" });
        mv.visitLabel(l2);
        mv.visitVarInsn(ASTORE, 27);
        mv.visitLabel(l3);
        mv.visitInsn(ICONST_0);
        mv.visitInsn(IRETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }

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                null,
                null);
        mv.visitCode();
        mv.visitFrame(F_SAME, 0, null, 0, null);
        Label l0 = new Label();
        mv.visitLabel(l0);
        mv.visitLdcInsn(new Long(11L));
        mv.visitVarInsn(LSTORE, 2);
        mv.visitLdcInsn(new Long(11L));
        mv.visitVarInsn(LSTORE, 4);
        mv.visitLdcInsn(new Long(11L));

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        mv.visitVarInsn(ILOAD, 1);
        Label l1 = new Label();
        mv.visitJumpInsn(IFEQ, l1);
        mv.visitInsn(RETURN);
        mv.visitFrame(F_SAME, 0, null, 0, null);
        mv.visitLabel(l1);
        mv.visitJumpInsn(GOTO, l0);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }

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        Label l3 = new Label();
        mv.visitTryCatchBlock(l0, l1, l1, "java/lang/Exception");
        mv.visitTryCatchBlock(l2, l3, l3, "java/lang/Exception");
        mv.visitJumpInsn(GOTO, l2);
        mv.visitFrame(F_SAME, 0, null, 0, null);
        mv.visitLabel(l0);
        mv.visitInsn(RETURN);
        mv.visitFrame(F_SAME1,
                0,
                null,
                1,

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        mv.visitFrame(F_SAME1,
                0,
                null,
                1,
                new Object[] { "java/lang/Exception" });
        mv.visitLabel(l1);
        mv.visitVarInsn(ASTORE, 2);
        mv.visitInsn(RETURN);
        mv.visitFrame(F_FULL,
                0,
                new Object[] { "pkg/FrameTable", INTEGER },

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        mv.visitFrame(F_FULL,
                0,
                new Object[] { "pkg/FrameTable", INTEGER },
                0,
                null);
        mv.visitLabel(l2);
        mv.visitInsn(RETURN);
        mv.visitFrame(F_SAME1,
                0,
                null,
                1,

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        mv.visitFrame(F_SAME1,
                0,
                null,
                1,
                new Object[] { "java/lang/Exception" });
        mv.visitLabel(l3);
        mv.visitVarInsn(ASTORE, 2);
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }

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                    public void visitMaxs(
                        final int maxStack,
                        final int maxLocals)
                    {
                        Label end = new Label();
                        mv.visitLabel(end);
                        mv.visitMaxs(maxStack, maxLocals);
                        int size = end.getOffset();
                        assertTrue(getMinSize() + " <= " + size + " <= "
                                + getMaxSize(), getMinSize() <= size
                                && size <= getMaxSize());

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