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

org.ow2.asm.MethodVisitor.visitInsn()
Visits a zero operand instruction. @param opcode the opcode of the instruction to be visited. This opcode iseither NOP, ACONST_NULL, ICONST_M1, ICONST_0, ICONST_1, ICONST_2, ICONST_3, ICONST_4, ICONST_5, LCONST_0, LCONST_1, FCONST_0, FCONST_1, FCONST_2, DCONST_0, DCONST_1, IALOAD, LALOAD, FALOAD, DALOAD, AALOAD, BALOAD, CALOAD, SALOAD, IASTORE, LASTORE, FASTORE, DASTORE, AASTORE, BASTORE, CASTORE, SASTORE, POP, POP2, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, SWAP, IADD, LADD, FADD, DADD, ISUB, LSUB, FSUB, DSUB, IMUL, LMUL, FMUL, DMUL, IDIV, LDIV, FDIV, DDIV, IREM, LREM, FREM, DREM, INEG, LNEG, FNEG, DNEG, ISHL, LSHL, ISHR, LSHR, IUSHR, LUSHR, IAND, LAND, IOR, LOR, IXOR, LXOR, I2L, I2F, I2D, L2I, L2F, L2D, F2I, F2L, F2D, D2I, D2L, D2F, I2B, I2C, I2S, LCMP, FCMPL, FCMPG, DCMPL, DCMPG, IRETURN, LRETURN, FRETURN, DRETURN, ARETURN, RETURN, ARRAYLENGTH, ATHROW, MONITORENTER, or MONITOREXIT.

        mv.visitJumpInsn(JSR, l4);
        mv.visitLabel(l3);
        mv.visitVarInsn(ALOAD, 2);
        mv.visitInsn(ATHROW);
        mv.visitLabel(l5);
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();


        cw.visitEnd();

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                    "eval",
                    desc.toString(),
                    null,
                    null);
            compile(mv);
            mv.visitInsn(ARETURN);
            // max stack and max locals automatically computed
            mv.visitMaxs(0, 0);
            mv.visitEnd();


            return cw.toByteArray();

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                null);
        mv.visitCode();
        Label l0 = new Label();
        Label l1 = new Label();
        mv.visitTryCatchBlock(l0, l1, l0, null);
        mv.visitInsn(ICONST_0);
        mv.visitInsn(IRETURN);
        mv.visitFrame(F_SAME1,
                0,
                null,
                1,

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        mv.visitCode();
        Label l0 = new Label();
        Label l1 = new Label();
        mv.visitTryCatchBlock(l0, l1, l0, null);
        mv.visitInsn(ICONST_0);
        mv.visitInsn(IRETURN);
        mv.visitFrame(F_SAME1,
                0,
                null,
                1,
                new Object[] { "java/lang/Throwable" });

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                1,
                new Object[] { "java/lang/Throwable" });
        mv.visitLabel(l0);
        mv.visitVarInsn(ASTORE, 1);
        mv.visitLabel(l1);
        mv.visitInsn(ICONST_0);
        mv.visitInsn(IRETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }

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                new Object[] { "java/lang/Throwable" });
        mv.visitLabel(l0);
        mv.visitVarInsn(ASTORE, 1);
        mv.visitLabel(l1);
        mv.visitInsn(ICONST_0);
        mv.visitInsn(IRETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }


    private void sameLocals1stackItemFrame2(final ClassWriter cw) {

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        mv.visitTryCatchBlock(l2, l4, l3, null);
        Label l5 = new Label();
        mv.visitTryCatchBlock(l3, l5, l3, null);
        mv.visitLabel(l0);
        mv.visitTypeInsn(NEW, "java/lang/Object");
        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);

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                new Object[] { "java/lang/Throwable" });
        mv.visitLabel(l3);
        mv.visitVarInsn(ASTORE, 3);
        mv.visitLabel(l5);
        mv.visitVarInsn(ALOAD, 3);
        mv.visitInsn(ATHROW);
        mv.visitFrame(F_SAME, 0, null, 0, null);
        mv.visitLabel(l6);
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();

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        mv.visitLabel(l5);
        mv.visitVarInsn(ALOAD, 3);
        mv.visitInsn(ATHROW);
        mv.visitFrame(F_SAME, 0, null, 0, null);
        mv.visitLabel(l6);
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }


    private void sameLocals1stackItemFrameExtended(final ClassWriter cw) {

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        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKESPECIAL,
                "java/lang/Object",
                "<init>",
                "()V");
        mv.visitInsn(Opcodes.RETURN);
        mv.visitMaxs(1, 1);
        mv.visitEnd();
        ((MethodNode) this.current).accept(cw);
        cw.visitEnd();
        byte[] b = cw.toByteArray();

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