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

org.ow2.asm.MethodVisitor.visitJumpInsn()
Visits a jump instruction. A jump instruction is an instruction that may jump to another instruction. @param opcode the opcode of the type instruction to be visited. Thisopcode is either IFEQ, IFNE, IFLT, IFGE, IFGT, IFLE, IF_ICMPEQ, IF_ICMPNE, IF_ICMPLT, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ACMPEQ, IF_ACMPNE, GOTO, JSR, IFNULL or IFNONNULL. @param label the operand of the instruction to be visited. This operandis a label that designates the instruction to which the jump instruction may jump.

        mv.visitInsn(DUP);
        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
        mv.visitVarInsn(ASTORE, 1);
        mv.visitLabel(l1);
        Label l6 = new Label();
        mv.visitJumpInsn(GOTO, l6);
        mv.visitFrame(F_SAME1,
                0,
                null,
                1,
                new Object[] { "java/lang/Exception" });

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                1,
                new Object[] { "java/lang/Exception" });
        mv.visitLabel(l2);
        mv.visitVarInsn(ASTORE, 2);
        mv.visitLabel(l4);
        mv.visitJumpInsn(GOTO, l6);
        mv.visitFrame(F_SAME1,
                0,
                null,
                1,
                new Object[] { "java/lang/Throwable" });

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        mv.visitVarInsn(LSTORE, 24);
        mv.visitLdcInsn(new Long(11L));
        mv.visitVarInsn(LSTORE, 26);
        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);

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        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();
    }


    private void deadCode(final ClassWriter cw) {

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        Label l1 = new Label();
        Label l2 = new Label();
        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,

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        mv.visitLabel(l0);
        mv.visitTypeInsn(NEW, "pkg/FrameTable");
        mv.visitInsn(DUP);
        mv.visitVarInsn(ILOAD, 1);
        Label l1 = new Label();
        mv.visitJumpInsn(IFNE, l1);
        mv.visitInsn(ACONST_NULL);
        Label l2 = new Label();
        mv.visitJumpInsn(GOTO, l2);
        mv.visitFrame(F_FULL,
                2,

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        mv.visitVarInsn(ILOAD, 1);
        Label l1 = new Label();
        mv.visitJumpInsn(IFNE, l1);
        mv.visitInsn(ACONST_NULL);
        Label l2 = new Label();
        mv.visitJumpInsn(GOTO, l2);
        mv.visitFrame(F_FULL,
                2,
                new Object[] { UNINITIALIZED_THIS, INTEGER },
                3,
                new Object[] { UNINITIALIZED_THIS, l0, l0 });

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                null,
                null);
        Label l0 = new Label();
        // ifxx
        mv.visitVarInsn(ILOAD, 1);
        mv.visitJumpInsn(IFNE, l0);
        mv.visitVarInsn(ILOAD, 1);
        mv.visitJumpInsn(IFEQ, l0);
        mv.visitVarInsn(ILOAD, 1);
        mv.visitJumpInsn(IFLE, l0);
        mv.visitVarInsn(ILOAD, 1);

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        Label l0 = new Label();
        // ifxx
        mv.visitVarInsn(ILOAD, 1);
        mv.visitJumpInsn(IFNE, l0);
        mv.visitVarInsn(ILOAD, 1);
        mv.visitJumpInsn(IFEQ, l0);
        mv.visitVarInsn(ILOAD, 1);
        mv.visitJumpInsn(IFLE, l0);
        mv.visitVarInsn(ILOAD, 1);
        mv.visitJumpInsn(IFGE, l0);
        mv.visitVarInsn(ILOAD, 1);

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        mv.visitVarInsn(ILOAD, 1);
        mv.visitJumpInsn(IFNE, l0);
        mv.visitVarInsn(ILOAD, 1);
        mv.visitJumpInsn(IFEQ, l0);
        mv.visitVarInsn(ILOAD, 1);
        mv.visitJumpInsn(IFLE, l0);
        mv.visitVarInsn(ILOAD, 1);
        mv.visitJumpInsn(IFGE, l0);
        mv.visitVarInsn(ILOAD, 1);
        mv.visitJumpInsn(IFLT, l0);
        mv.visitVarInsn(ILOAD, 1);

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