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.

                "<clinit>",
                "()V",
                null,
                null);
        mv.visitCode();
        mv.visitInsn(ICONST_1);
        mv.visitFieldInsn(PUTSTATIC, "pkg/Insns", "s", "S");
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }

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                null,
                null);
        mv.visitCode();
        mv.visitInsn(ICONST_1);
        mv.visitFieldInsn(PUTSTATIC, "pkg/Insns", "s", "S");
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }
}

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        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
        for (int i = 0; i < 256; ++i) {
            mv.visitLdcInsn(Integer.toString(i)); // wide form
            mv.visitInsn(POP);
        }
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();

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        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
        for (int i = 0; i < 256; ++i) {
            mv.visitLdcInsn(Integer.toString(i)); // wide form
            mv.visitInsn(POP);
        }
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();


        mv = cw.visitMethod(ACC_PUBLIC, "wideLocals", "(I)I", null, null);
        mv.visitCode();

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        mv.visitJumpInsn(IFEQ, l1); // will give long forward jump


        // many NOPs will be introduced here by the method resizing test


        mv.visitVarInsn(ILOAD, 300); // will give wide form
        mv.visitInsn(IRETURN);


        mv.visitLabel(l1);
        for (int i = 1; i < 300; ++i) {
            mv.visitVarInsn(ILOAD, i);
            if (i <= 5) {

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        mv.visitLabel(l1);
        for (int i = 1; i < 300; ++i) {
            mv.visitVarInsn(ILOAD, i);
            if (i <= 5) {
                mv.visitInsn(ICONST_0 + i);
            } else if (i <= Byte.MAX_VALUE) {
                mv.visitIntInsn(BIPUSH, i);
            } else {
                mv.visitIntInsn(SIPUSH, i);
            }

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            } else if (i <= Byte.MAX_VALUE) {
                mv.visitIntInsn(BIPUSH, i);
            } else {
                mv.visitIntInsn(SIPUSH, i);
            }
            mv.visitInsn(IADD);
            mv.visitVarInsn(ISTORE, i + 1);
        }
        mv.visitInsn(ICONST_0);
        mv.visitJumpInsn(IFEQ, l0); // will give long backward jump
        mv.visitJumpInsn(GOTO, l0); // will give long backward goto

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                mv.visitIntInsn(SIPUSH, i);
            }
            mv.visitInsn(IADD);
            mv.visitVarInsn(ISTORE, i + 1);
        }
        mv.visitInsn(ICONST_0);
        mv.visitJumpInsn(IFEQ, l0); // will give long backward jump
        mv.visitJumpInsn(GOTO, l0); // will give long backward goto


        mv.visitMaxs(0, 0);
        mv.visitEnd();

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                "(I)V",
                new EmptyVisitor(),
                new HashMap<Label, Integer>());
        mv.visitCode();
        mv.visitVarInsn(ILOAD, 1);
        mv.visitInsn(IRETURN);
        mv.visitMaxs(1, 2);
        try {
            mv.visitEnd();
            fail();
        } catch (Exception e) {

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                "m",
                "(I)I",
                new EmptyVisitor(),
                new HashMap<Label, Integer>());
        mv.visitCode();
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 2);
        try {
            mv.visitEnd();
            fail();
        } catch (Exception e) {

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